CN114497167A - Display panel and display device - Google Patents
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- CN114497167A CN114497167A CN202210136889.0A CN202210136889A CN114497167A CN 114497167 A CN114497167 A CN 114497167A CN 202210136889 A CN202210136889 A CN 202210136889A CN 114497167 A CN114497167 A CN 114497167A
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
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Abstract
The embodiment of the application provides a display panel and a display device. The display panel comprises a display area and a camera area, the display panel comprises a substrate base plate and a light-emitting layer arranged on one side of the substrate base plate, the display panel further comprises a light shaping structure arranged in the camera area, the light shaping structure is arranged on one side, far away from the substrate base plate, of the light-emitting layer, the camera area has a shooting state and a display state which can be switched with each other, the light shaping structure is configured to enable the ambient light incident amount of the camera area in the shooting state to be larger than the ambient light incident amount in the display state, and the light shaping structure is further configured to enable the display light emergent amount of the camera area in the display state to be larger than the display light emergent amount in the shooting state. The display panel of the embodiment can ensure the light incoming amount of the ambient light of the camera area in the shooting state, and meanwhile, the display effect of the camera area in the display state is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
This section provides background information related to the present application and is not necessarily related art.
With the increasing screen occupation of terminal devices such as mobile phones, a scheme of setting a camera below a screen to capture an image has gained wide attention. In the correlation technique, the area of screen corresponding to the camera not only can show the image, still has the printing opacity characteristic for the image before the screen can be shot to the camera, but, when the camera region will promote the transmissivity, still satisfy the display requirement, when making a video recording under the assurance screen, luminance when the regional display screen of camera usually can be on the low side, and display effect is not good. Therefore, how to ensure the amount of ambient light entering the camera area in the shooting state and improve the display effect of the camera area in the display state is a technical problem to be solved.
Disclosure of Invention
An object of the embodiment of the application is to provide a display panel and a display device, which can ensure the ambient light incident amount of a camera area in a shooting state and simultaneously improve the display effect of the camera area in a display state. The specific technical scheme is as follows:
embodiments of a first aspect of the present application propose a display panel. The display panel comprises a display area and a camera area, the display panel comprises a substrate base plate and a light-emitting layer arranged on one side of the substrate base plate, the display panel further comprises a light shaping structure arranged in the camera area, the light shaping structure is arranged on one side, far away from the substrate base plate, of the light-emitting layer, the camera area has a shooting state and a display state which can be switched with each other, the light shaping structure is configured to enable the ambient light incoming amount of the camera area in the shooting state to be larger than the ambient light incoming amount in the display state, and the light shaping structure is further configured to enable the display light outgoing amount of the camera area in the display state to be larger than the display light outgoing amount in the shooting state.
In some embodiments of the present application, the light shaping structure includes a first driving electrode and a liquid crystal layer, an orthogonal projection of the first driving electrode on the substrate is located outside an orthogonal projection of the light emitting layer on the substrate, and the first driving electrode is configured to drive liquid crystal molecules in the liquid crystal layer to deflect when the camera area is in a shooting state.
In some embodiments of the present application, the first driving electrode is a first annular transparent electrode including a first intermediate electrode and a first peripheral electrode, and a voltage of the first intermediate electrode is greater than a voltage of the first peripheral electrode when the camera area is in the photographing state.
In some embodiments of the present application, the light shaping structure further includes a second driving electrode disposed opposite to the light emitting layer in a thickness direction of the display panel, the second driving electrode being configured to drive liquid crystal molecules in the liquid crystal layer to deflect when the camera area is in a display state.
In some embodiments of the present application, the second driving electrode is a second annular transparent electrode including a second middle electrode and a second peripheral electrode, and an absolute value of a voltage of the second middle electrode is greater than an absolute value of a voltage of the second peripheral electrode when the camera area is in the display state.
In some embodiments of the present application, the display panel further includes an anode disposed on a side of the substrate adjacent to the light emitting layer, and a cathode layer disposed between the light emitting layer and the liquid crystal layer.
In some embodiments of the present application, the display panel further includes an upper substrate disposed on a side of the light shaping structure away from the light emitting layer, and the liquid crystal layer is disposed between the upper substrate and the cathode layer.
In some embodiments of the present application, the display panel further comprises a planarization layer disposed between the substrate and the cathode layer.
In some other embodiments of the present application, the camera area includes a pixel area and a transparent area, the light shaping structure includes an electrochromic layer, the electrochromic layer is disposed on a side of the light emitting layer away from the substrate, the light emitting layer is disposed in the pixel area, the electrochromic layer includes a first color changing area and a second color changing area, the first color changing area is located in the pixel area, the second color changing area is located in the transparent area, and when the camera area is in the shooting state, both the first color changing area and the second color changing area are in a transparent state; when the camera area is in the display state, the first color-changing area and the second color-changing area are both in a colored state.
In some embodiments of the present application, the light shaping structure comprises a third drive electrode arranged opposite to the first color changing region in a thickness direction of the display panel.
In some embodiments of the present application, the light shaping structure comprises a fourth drive electrode disposed opposite the second color-changing region in a thickness direction of the display panel.
In some embodiments of the present application, the third drive electrode and the fourth drive electrode are both transparent electrodes.
In some embodiments of the present application, the display panel further includes a cathode layer, the first color-change region is disposed between the third driving electrode and the cathode layer, and the second color-change region is disposed between the fourth driving electrode and the cathode layer.
In some embodiments of the present application, the display panel further includes an encapsulation layer disposed on a side of the electrochromic layer away from the light emitting layer.
Embodiments of the second aspect of the present application propose a display device, which includes the display panel in any embodiment of the first aspect.
The embodiment of the application has the following beneficial effects:
according to the display panel in the embodiment of the application, the display panel comprises a display area and a camera area, wherein the display area is an area with a normal display function, and the camera area is provided with the camera under the screen, so that when the camera is turned on, an image in front of the screen can be shot. The display panel comprises a substrate base plate, a light emitting layer, a light shaping structure, a light receiving layer and a camera area, wherein the display area and the camera area of the display panel respectively comprise the substrate base plate and the light emitting layer, the light shaping structure is located on one side, far away from the substrate base plate, of the light emitting layer and used for changing the ambient light input quantity or the display light output quantity of the camera area, when the camera area is in a shooting state, the ambient light input quantity can be increased through the light shaping structure, more ambient light can be converged on the camera, the light obtaining quantity of the camera is improved, and the shooting effect is further improved. When the camera area is in a display state, the light shaping structure can increase the light output quantity of the display light, so that the display brightness of the camera area is improved, and the display effect is improved. Therefore, the display panel of the embodiment can ensure the ambient light incident amount of the camera area in the shooting state and improve the display effect of the camera area in the display state.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also obvious for a person skilled in the art to obtain other embodiments according to the drawings.
Fig. 1 is a schematic structural diagram of a camera area of a display panel in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a camera area of a display panel in one embodiment of the present application (the camera area is in a shooting state);
fig. 3 is a schematic structural diagram of a camera area of a display panel in one embodiment of the present application (the camera area is in a display state);
FIG. 4 is a schematic structural diagram of a first driving electrode and a second driving electrode of a display panel according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a display panel in another embodiment of the present application (a camera area is in a shooting state);
fig. 6 is a schematic structural diagram of a display panel in another embodiment of the present application (a camera area is in a display state);
fig. 7 is a schematic structural diagram of a fourth driving electrode in a second color-changing region of a display panel according to another embodiment of the present disclosure.
Detailed Description
In order to more clearly illustrate the technical solutions in the embodiments or related technologies, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other embodiments according to the drawings.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
With the increasing screen occupation of terminal devices such as mobile phones, a scheme of setting a camera below a screen to capture an image has gained wide attention. In the correlation technique, the area of screen corresponding to the camera not only can show the image, still has the printing opacity characteristic for the image before the screen can be shot to the camera, but, when the camera region will promote the transmissivity, still satisfy the display requirement, when making a video recording under the assurance screen, luminance when the regional display screen of camera usually can be on the low side, and display effect is not good. Therefore, how to ensure the amount of ambient light entering the camera area in the shooting state and improve the display effect of the camera area in the display state is a technical problem to be solved.
As shown in fig. 1 and 5, an embodiment of a first aspect of the present application provides a display panel. The display panel comprises a display area 20 and a camera area 10, the display panel comprises a substrate 100 and a light-emitting layer 200 arranged on one side of the substrate 100, the display panel further comprises a light shaping structure 300 arranged on the camera area 10, the light shaping structure 300 is arranged on one side of the light-emitting layer 200 far away from the substrate 100, the camera area 10 has a shooting state and a display state which can be switched with each other, the light shaping structure 300 is configured to enable the ambient light incident quantity of the camera area 10 in the shooting state to be larger than the ambient light incident quantity in the display state, and the light shaping structure 300 is further configured to enable the display light incident quantity of the camera area 10 in the display state to be larger than the display light incident quantity in the shooting state.
According to the display panel in the embodiment of the application, the display panel comprises the display area 20 and the camera area 10, wherein the display area 20 is an area with a normal display function, and the camera area 10 is provided with the off-screen camera, so that when the camera is turned on, an image in front of a screen can be shot. Wherein, display area 20 and camera area 10 of display panel all include substrate base plate 100 and luminescent layer 200, in camera area 10, the display panel still includes light shaping structure 300, it is located the one side of keeping away from substrate base plate 100 of luminescent layer 200, light shaping structure 300 is used for changing the ambient light-in quantity or the display light-out quantity of camera area 10, when camera area 10 is in the shooting state, light shaping structure 300 can make ambient light-in quantity increase, can make more ambient light assemble on the camera like this, improve the illumination acquisition quantity of camera, and then improve the shooting effect. When the camera area 10 is in the display state, the light shaping structure 300 can increase the amount of light output from the display light, so as to improve the display brightness of the camera area 10, thereby improving the display effect. Therefore, the display panel of the embodiment can ensure the light incoming amount of the ambient light in the camera area 10 in the shooting state, and improve the display effect of the camera area 10 in the display state.
As shown in fig. 2 and 3, in some embodiments of the present application, the light shaping structure 300 includes a first driving electrode 310 and a liquid crystal layer 330, an orthogonal projection of the first driving electrode 310 on the substrate 100 is located outside an orthogonal projection of the light emitting layer 200 on the substrate 100, and the first driving electrode 310 is configured to drive liquid crystal molecules in the liquid crystal layer 330 to deflect when the camera area 10 is in a shooting state. In the related art, a transparent region 11 is disposed around the light emitting layer 200, in the display mode, the light emitting layer 200 can emit light, in the shooting state, the ambient light a can enter the camera from the transparent region 11, in this embodiment, the orthographic projection of the first driving electrode 310 on the substrate 100 is located outside the orthographic projection of the light emitting layer 200 on the substrate 100, that is, the first driving electrode 310 is located in the transparent region 11 of the display panel, in the shooting state of the camera region 10, the first driving electrode 310 can drive the liquid crystal molecules in the liquid crystal layer 330 opposite to the transparent region 11 to deflect, after the liquid crystal molecules are deflected, the portion of the liquid crystal layer 330 opposite to the transparent region 11 has the function of gathering the light of the ambient light a, that is, the function is similar to a convex lens, and at this time, the light entering amount of the ambient light a can be increased.
As shown in fig. 4 and 5, in some embodiments of the present application, the first driving electrode 310 is a first annular transparent electrode, the first annular transparent electrode includes a first middle electrode 311 and a first peripheral electrode 312, and when the camera area 10 is in a shooting state, a voltage of the first middle electrode 311 is greater than a voltage of the first peripheral electrode 312. In the present embodiment, the first driving electrode 310 is made of a transparent electrode material, such as Indium Tin Oxide (ITO). When the display panel is in a shooting state, the voltage of the first middle electrode 311 can be represented as V2, the voltage of the first peripheral electrode 312 can be represented as V4, and when V2 is greater than V4, liquid crystal molecules in the liquid crystal layer 330 near the first annular transparent electrode are deflected, and the deflection angle of the liquid crystal molecules near the first middle electrode 311 is greater than that of the liquid crystal molecules near the first peripheral electrode 312, because the first driving electrode 310 is annular and the first peripheral electrode 312 is disposed around the first middle electrode 311, the deflected liquid crystal molecules are similar to a convex lens, and can converge ambient light a to the camera area 10, thereby greatly improving the light acquisition amount of the camera.
In some embodiments of the present application, the light shaping structure 300 further includes a second driving electrode 320, the second driving electrode 320 is disposed opposite to the light emitting layer 200 in a thickness direction of the display panel, and the second driving electrode 320 is configured to drive liquid crystal molecules in the liquid crystal layer 330 to deflect when the camera area 10 is in a display state. In the related art, the transparent region 11 is provided around the light emitting layer 200, and the light emitting layer 200 can emit light in the display mode. In this embodiment, the second driving electrode 320 is disposed opposite to the light emitting layer 200, when the display panel is in a display state, the second driving electrode 320 can drive liquid crystal molecules in the liquid crystal layer 330 to deflect, and after the liquid crystal molecules are deflected, a portion of the liquid crystal layer 330 opposite to the light emitting layer 200 has an effect of converging light rays of the display light B, that is, an effect similar to a convex lens, and at this time, an amount of light emitted by the display light B can be increased.
In some embodiments of the present application, the second driving electrode 320 is a second annular transparent electrode including a second middle electrode 321 and a second peripheral electrode 322, and when the camera area 10 is in the display state, an absolute value of a voltage of the second middle electrode 321 is greater than an absolute value of a voltage of the second peripheral electrode 322. In the present embodiment, the second driving electrode 320, like the first driving electrode 310, may also be made of a transparent electrode material, such as Indium Tin Oxide (ITO). When the display panel is in a display state, the voltage of the second middle electrode 321 may be denoted as V1, and the voltage of the second peripheral electrode 322 may be denoted as V3, and when the absolute value of V1 is greater than the absolute value of V3, liquid crystal molecules in the liquid crystal layer 330 near the second annular transparent electrode may deflect, and a deflection angle of the liquid crystal molecules near the second middle electrode 321 is greater than a deflection angle of the liquid crystal molecules near the second peripheral electrode 322, because the second driving electrode 320 is annular, and the second peripheral electrode 322 is disposed around the second middle electrode 321, the deflected liquid crystal molecules are similar to a convex lens, and can act as a convex lens on the display light B of the light emitting layer 200, thereby increasing the outgoing light of the display panel, greatly improving the display brightness of the camera area 10, and enhancing the display effect of the display panel. Referring to fig. 2 and fig. 3, in the above embodiment, V2 and V4 may be positive electrodes with respect to the reference electrode, and V1 and V3 in this embodiment are negative electrodes with respect to the reference electrode, so that the liquid crystal molecules in the liquid crystal layer corresponding to the first driving electrode and the second driving electrode respectively have opposite deflection directions, it can be understood that the liquid crystal molecules corresponding to the first driving electrode can be deflected upward to collect more ambient light a, and the liquid crystal molecules corresponding to the second driving electrode can be deflected downward to diffuse more display light B to the outside.
In some embodiments of the present application, the display panel further includes an anode 410 and a cathode layer 420, the anode 410 being disposed on a side of the substrate 100 adjacent to the light emitting layer 200, the cathode layer 420 being disposed between the light emitting layer 200 and the liquid crystal layer 330. In this embodiment, the number of the anode 410 may be plural, and the anode 410 is disposed on one side of the substrate 100 close to the light emitting layer 200, and during the manufacturing process, the anode 410 may be formed first, and then the light emitting layer 200 may be formed. The cathode layer 420 may be made of a transparent material, which may increase the amount of the incident ambient light a and the amount of the output display light B.
In some embodiments of the present application, the display panel further comprises an upper substrate 500, the upper substrate 500 being arranged on a side of the light shaping structure 300 remote from the light emitting layer 200, and the liquid crystal layer 330 being arranged between the upper substrate 500 and the cathode layer 420. In this embodiment, the upper substrate 500 can well protect the liquid crystal layer 330, and the first driving electrode 310 and the second driving electrode 320 may also be disposed on the upper substrate 500 and respectively led out to the periphery of the liquid crystal layer 330, and different voltages are respectively applied to the first driving electrode 310 and the second driving electrode 320 through the control circuit.
In some embodiments of the present application, the display panel further includes a planarization layer 600, the planarization layer 600 being disposed between the substrate 100 and the cathode layer 420. In the present embodiment, the light emitting layer 200 is disposed between the substrate 100 and the cathode layer 420, and the flat layer 600 is disposed to prevent the exposure of the components of the light emitting layer 200, so as to achieve the effect of protecting the light emitting layer 200.
As shown in fig. 5 and 6, in some other embodiments of the present application, the camera area 10 includes a pixel area 210 and a transparent area 220, the light shaping structure 300 includes an electrochromic layer 340, the electrochromic layer 340 is disposed on a side of the light emitting layer 200 away from the substrate 100, the light emitting layer 200 is disposed on the pixel area 210, the electrochromic layer 340 includes a first color-changing area 341 and a second color-changing area 342, the first color-changing area 341 is located in the pixel area 210, the second color-changing area 342 is located in the transparent area 220, and when the camera area 10 is in the shooting state, both the first color-changing area 341 and the second color-changing area 342 are in the transparent state; when the camera area 10 is in the display state, the first color-changing region 341 and the second color-changing region 342 are both in the colored state. In the present embodiment, the camera area 10 of the display panel includes a pixel region 210 capable of displaying colors and a transparent region 220 surrounding the pixel region 210, and it is understood that the light emitting layer 200 may include light emitting elements disposed in the pixel region 210 of the display panel for emitting different colors of light, such as red, blue and green. The electrochromic layer 340 in this embodiment is composed of a first color-changing region 341 and a second color-changing region 342, when the camera area 10 is in a shooting state, the first color-changing region 341 and the second color-changing region 342 are both in a transparent state, which can increase the amount of ambient light entering, when the camera area 10 is in a display state, the first color-changing region 341 and the second color-changing region 342 are both in a colored state, and because the first color-changing region 341 is located in the pixel area 210, after it is changed into the colored state, it can absorb a part of ambient light, which can reduce the reflection of external ambient light, the second color-changing region 342 is located in the transparent area 220, and when the color of the second color-changing region 342 is consistent with the color of the pixel area 210, it can play a role of displaying pixels, which can improve the display effect of the camera area 10 in the display state.
In the related art, the display panel further includes a circular polarizer 700 located at a side of the light emitting layer 200 away from the substrate 100, and the circular polarizer 700 is capable of reflecting external ambient light, thereby increasing the display effect of the display panel. In some specific embodiments of the present application, the circular polarizer 700 may be disposed in the display area 20, and the circular polarizer 700 is not disposed in the camera area 10, so that when the camera area 10 is in a shooting state, more ambient light can be converged into the camera area 10, and the light obtaining amount of the camera is further increased.
In some embodiments of the present application, the light shaping structure 300 includes a third driving electrode 350, and the third driving electrode 350 is disposed opposite to the first color changing region 341 in a thickness direction of the display panel. In the present embodiment, the third driving electrode 350 is capable of applying a voltage to the electrochromic layer 340 of the first color-changing region 341, and for example, when the camera area 10 is in the shooting state, the third driving electrode 350 may not apply a voltage, and the electrochromic layer 340 in the first color-changing region 341 is in the transparent state, and when the camera area 10 is in the display state, the third driving electrode 350 may apply a voltage thereto, and the electrochromic layer 340 in the first color-changing region 341 is in the colored state.
In some embodiments of the present application, the light shaping structure 300 includes a fourth drive electrode 360, and the fourth drive electrode 360 is disposed opposite to the second color change regions 342 in a thickness direction of the display panel. In the present embodiment, the fourth driving electrode 360 can apply a voltage to the electrochromic layer 340 of the second color-changing region 342, and for example, when the camera area 10 is in a shooting state, the fourth driving electrode 360 may not apply a voltage, and the electrochromic layer 340 in the second color-changing region 342 is in a transparent state, and when the camera area 10 is in a display state, the fourth driving electrode 360 may apply a voltage to the electrochromic layer 340 in the second color-changing region 342, and the electrochromic layer 340 in the second color-changing region 342 is in a colored state.
In the related art, in order to maintain a certain amount of light entering the camera area 10, a part of the light emitting devices in the light emitting layer 200 may be reduced, which may cause the degradation of the display effect, in this embodiment, the voltage applied by the fourth driving electrode 360 may be set according to the data voltage of the light emitting devices of the light emitting layer 200 adjacent thereto, for example, when the light emitting layer 200 adjacent thereto emits blue light, the fourth driving electrode 360 may also drive the electrochromic layer 340 of the second color-changing area 342 to turn into blue light, so that the second color-changing area 342 may serve as a display pixel, and the problem of the degradation of the display effect caused by the reduction of the number of the light emitting devices of the camera area 10 is solved.
As shown in fig. 7, in some embodiments of the present application, the third driving electrode 350 and the fourth driving electrode 360 are both transparent electrodes. In this embodiment, the third driving electrode 350 may be designed as a whole transparent electrode, which is disposed corresponding to the first color-changing region 341. The fourth driving electrode 360 may be designed as a transparent block electrode, which is disposed corresponding to the second color-changing region 342, and referring to fig. 7, the circuit connected thereto may also be disposed as a transparent wire, so that when the camera region 10 is in a shooting state, the amount of ambient light entering can be further increased, and when the camera region 10 is in a display state, the amount of display light exiting can be further increased.
In some embodiments of the present application, the display panel further includes a cathode layer 420, the first color-change region 341 is disposed between the third driving electrode 350 and the cathode layer 420, and the second color-change region 342 is disposed between the fourth driving electrode 360 and the cathode layer 420. In this embodiment, the cathode layer 420 may be made of a transparent material, so that the amount of ambient light entering in the imaging state and the amount of display light exiting in the display state can be increased. In this embodiment, the lower electrodes of the electrochromic layers 340 of the first and second color-changing regions 341 and 342 may be shared with the cathode layer 420, that is, the third driving electrode 350 and the cathode layer 420 cooperatively drive the color of the electrochromic layer 340 of the first color-changing region 341 to change, and the fourth driving electrode 360 and the cathode layer 420 cooperatively drive the color of the electrochromic layer 340 of the second color-changing region 342 to change, for example, assuming that the cathode layer 420 is denoted as V0, the third driving electrode 350 is denoted as V1, and the second driving electrode 320 is denoted as V2, when the camera head region 10 is in the shooting state, V1 is denoted as V2 is denoted as V0, and at this time, the electrochromic layers 340 of the first and second color-changing regions 341 and 342 are both in a transparent state, so that more ambient light is focused on the camera head. When the camera area 10 is in the display state, V1 > V0, and the electrochromic layer 340 of the first color-changing area 341 changes to the colored state to reduce the reflected ambient light, the voltage of V2 may be set according to the data voltage of the light emitting device of the light emitting layer 200 adjacent thereto, so that the color of the light emitting layer 200 is consistent with the color of the light emitting layer 340, and the light emitting layer is used as a display pixel to compensate the problem of the display effect weakening caused by the reduction of the number of light emitting devices of the camera area 10.
In some embodiments of the present application, the display panel further includes an encapsulation layer 800, and the encapsulation layer 800 is disposed on a side of the electrochromic layer 340 away from the light emitting layer 200. In this embodiment, the encapsulation layer 800 may be a thin film encapsulation structure, which may be a stacked inorganic thin film encapsulation or a stacked inorganic or organic thin film encapsulation, and the electrochromic layer 340 is protected by covering the encapsulation layer 800 on the electrochromic layer 340.
Embodiments of the second aspect of the present application propose a display device, which includes the display panel in any embodiment of the first aspect.
According to the display device in the embodiment of the application, since the display device includes the display panel in any embodiment of the first aspect, the display device also has the beneficial effects of any embodiment of the first aspect, specifically, the display panel includes a display area 20 and a camera area 10, where the display area 20 is an area with a normal display function, and the camera area 10 is provided with a screen camera, so that when the camera is turned on, an image in front of a screen can be shot. The display area 20 and the camera area 10 of the display panel both include the substrate 100 and the light emitting layer 200, in the camera area 10, the display panel further includes a light shaping structure 300 located on one side of the light emitting layer 200 away from the substrate 100, the light shaping structure 300 is used for changing the ambient light input amount or the display light output amount of the camera area 10, when the camera area 10 is in a shooting state, the light shaping structure 300 can increase the ambient light input amount, so that more ambient light can be converged on the camera, the light acquisition amount of the camera is improved, and further the shooting effect is improved. When the camera area 10 is in the display state, the light shaping structure 300 can increase the amount of light output from the display light, so as to improve the display brightness of the camera area 10, thereby improving the display effect. Therefore, the display device of the present embodiment can improve the display effect of the camera area 10 while ensuring the ambient light inflow amount.
The display device in this embodiment may be: any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator and the like.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or more than one intermediate layer or element may also be present. Like reference numerals refer to like elements throughout.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on differences from other embodiments.
The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (15)
1. A display panel comprises a display area and a camera area, and is characterized in that the display panel comprises a substrate base plate and a light-emitting layer arranged on one side of the substrate base plate, the display panel further comprises a light shaping structure arranged in the camera area, the light shaping structure is arranged on one side of the light-emitting layer far away from the substrate base plate, the camera area has a shooting state and a display state which can be switched with each other, the light shaping structure is configured to enable the ambient light incoming amount of the camera area in the shooting state to be larger than the ambient light incoming amount in the display state, and the light shaping structure is further configured to enable the display light outgoing amount of the camera area in the display state to be larger than the display light outgoing amount in the shooting state.
2. The display panel of claim 1, wherein the light shaping structure comprises a first driving electrode and a liquid crystal layer, an orthographic projection of the first driving electrode on the substrate is outside an orthographic projection of the light emitting layer on the substrate, and the first driving electrode is configured to drive liquid crystal molecules in the liquid crystal layer to deflect when the camera area is in a shooting state.
3. The display panel according to claim 2, wherein the first driving electrode is a first annular transparent electrode including a first intermediate electrode and a first peripheral electrode, and a voltage of the first intermediate electrode is greater than a voltage of the first peripheral electrode when the camera area is in the photographing state.
4. The display panel according to claim 2, wherein the light shaping structure further comprises a second driving electrode disposed opposite to the light emitting layer in a thickness direction of the display panel, the second driving electrode being configured to drive liquid crystal molecules in the liquid crystal layer to deflect when the camera area is in a display state.
5. The display panel according to claim 4, wherein the second driving electrode is a second annular transparent electrode including a second intermediate electrode and a second peripheral electrode, and an absolute value of a voltage of the second intermediate electrode is larger than an absolute value of a voltage of the second peripheral electrode when the camera area is in the display state.
6. The display panel according to claim 4, further comprising an anode electrode provided on a side of the substrate adjacent to the light emitting layer, and a cathode layer provided between the light emitting layer and the liquid crystal layer.
7. The display panel of claim 6, further comprising an upper substrate disposed on a side of the light shaping structure remote from the light emitting layer, and wherein the liquid crystal layer is disposed between the upper substrate and the cathode layer.
8. The display panel of claim 6, further comprising a planarization layer disposed between the substrate and the cathode layer.
9. The display panel according to claim 1, wherein the camera area includes a pixel area and a transparent area, the light shaping structure includes an electrochromic layer, the electrochromic layer is disposed on a side of the light emitting layer away from the substrate, the light emitting layer is disposed in the pixel area, the electrochromic layer includes a first color changing area and a second color changing area, the first color changing area is located in the pixel area, the second color changing area is located in the transparent area, and when the camera area is in the photographing state, both the first color changing area and the second color changing area are in a transparent state; when the camera area is in the display state, the first color-changing area and the second color-changing area are both in a colored state.
10. The display panel of claim 9, wherein the light shaping structure comprises a third driving electrode disposed opposite the first color shifting region in a thickness direction of the display panel.
11. The display panel of claim 10, wherein the light shaping structure comprises a fourth drive electrode disposed opposite the second color changing region in a thickness direction of the display panel.
12. The display panel according to claim 11, wherein the third driving electrode and the fourth driving electrode are transparent electrodes.
13. The display panel of claim 12, wherein the display panel further comprises a cathode layer, wherein the first color-changing region is disposed between the third driving electrode and the cathode layer, and wherein the second color-changing region is disposed between the fourth driving electrode and the cathode layer.
14. The display panel according to claim 13, further comprising an encapsulation layer disposed on a side of the electrochromic layer away from the light-emitting layer.
15. A display device characterized by comprising the display panel according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136889.0A CN114497167A (en) | 2022-02-15 | 2022-02-15 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136889.0A CN114497167A (en) | 2022-02-15 | 2022-02-15 | Display panel and display device |
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| CN114497167A true CN114497167A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210136889.0A Pending CN114497167A (en) | 2022-02-15 | 2022-02-15 | Display panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2626647A (en) * | 2022-12-29 | 2024-07-31 | Lg Display Co Ltd | Display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2626647A (en) * | 2022-12-29 | 2024-07-31 | Lg Display Co Ltd | Display device |
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