CN117560972A

CN117560972A - Display panel and display device

Info

Publication number: CN117560972A
Application number: CN202311673969.0A
Authority: CN
Inventors: 郭秋月; 谢俊烽
Original assignee: HKC Co Ltd
Current assignee: HKC Co Ltd
Priority date: 2023-12-06
Filing date: 2023-12-06
Publication date: 2024-02-13

Abstract

The application provides a display panel, the display panel includes light-emitting component, a plurality of first reflecting element, encapsulation layer and a plurality of light-absorbing element, and the encapsulation layer covers and establishes a plurality of first reflecting element to light-emitting component, and a plurality of light-absorbing element set up in the encapsulation layer one side of light-emitting component dorsad. Ultraviolet light corresponding to the forward view angle direction of the display panel is transmitted to the plurality of first reflecting elements through the packaging layer, the first reflecting elements reflect part of the ultraviolet light transmitted to the first reflecting elements to the light absorbing elements in the two adjacent peep-proof areas, and the light absorbing elements absorb the ultraviolet light reflected to the light absorbing elements by the first reflecting elements. Therefore, the first reflecting element reflects the ultraviolet light to enable less or no ultraviolet light to be emitted to the light-emitting component, and the light-absorbing element absorbs the ultraviolet light to prevent the ultraviolet light reflected by the first reflecting element from being emitted to the light-emitting component again, so that the service life of the display panel is prolonged. The application also provides a display device with the display panel.

Description

Display panel and display device

Technical Field

The present disclosure relates to the field of display technologies, and in particular, to a display panel and a display device having the display panel.

Background

An Organic Light-Emitting Diode (OLED) display panel is widely applied to the technical field of display, and has the advantages of self-luminescence, light weight, high color saturation, wide viewing angle and the like, so that the OLED display panel is widely applied to the field of display.

The OLED display panel generally includes a plurality of OLED light emitting elements for emitting light, and irradiation of ultraviolet light in the environment to the OLED light emitting elements may reduce the life span, weather resistance, stability, etc. of the OLED light emitting elements, thereby reducing the life span of the OLED display panel and reducing the display effect of the OLED display panel.

Therefore, how to solve the problems of the prior art that the service life of the OLED panel is reduced and the display effect of the OLED panel is reduced due to the ultraviolet light in the environment is a urgent need for those skilled in the art.

Disclosure of Invention

In view of the foregoing drawbacks of the prior art, an object of the present application is to provide a display panel and a display device having the display panel, which are intended to solve the problems of reduced lifetime of the OLED panel and reduced display effect of the OLED panel caused by ultraviolet light in the environment in the prior art.

In order to solve the above technical problem, an embodiment of the present application provides a display panel, where the display panel includes a plurality of sub-pixel areas and a plurality of peep-proof areas, and the peep-proof areas are disposed between two adjacent sub-pixel areas. The display panel further comprises a light emitting component and a plurality of first reflecting elements, the plurality of first reflecting elements are arranged on one side of the light emitting component, one first reflecting element is located in one sub-pixel area, and the light emitting component is used for emitting light. The display panel further comprises a packaging layer and a plurality of light absorption elements, wherein the packaging layer covers the plurality of first reflecting elements to the light-emitting assembly, the plurality of light absorption elements are arranged on one side, opposite to the light-emitting assembly, of the packaging layer, and one light absorption element is located in one peep-proof area. The ambient light comprises ultraviolet light, the ultraviolet light corresponding to the forward view angle direction of the display panel is transmitted through the packaging layer to irradiate to the plurality of first reflecting elements, the first reflecting elements are used for reflecting part of the ultraviolet light irradiated to the first reflecting elements to the light absorbing elements in the two peep-proof areas adjacent to the first reflecting elements, and the light absorbing elements are used for absorbing the ultraviolet light reflected to the light absorbing elements by the first reflecting elements.

In summary, the display panel provided in this embodiment of the present application reflects the ultraviolet light by the first reflective element, so that less ultraviolet light or no ultraviolet light is emitted to the light emitting component, and the light absorbing element absorbs part of the ultraviolet light reflected by the first reflective element, so that the ultraviolet light reflected by the first reflective element is prevented from being emitted to the light emitting component again, which is favorable for improving the service life, weather resistance and stability of the light emitting component, and further improving the service life of the display panel and the display effect of the display panel.

In an exemplary embodiment, the display panel further includes a plurality of second reflective elements, the second reflective elements are disposed on a side of the light emitting component facing the light absorbing elements, the packaging layer covers the second reflective elements to the light emitting component, and one of the second reflective elements is disposed in one of the peep preventing regions and in two adjacent sub-pixel regions. The ultraviolet light corresponding to the oblique viewing angle direction of the display panel is transmitted through the packaging layer to be emitted to the second reflecting element, the second reflecting element is used for reflecting the ultraviolet light emitted to the second reflecting element to the light absorbing element, and the light absorbing element is used for absorbing the ultraviolet light reflected by the second reflecting element.

In an exemplary embodiment, each of the second reflective elements includes a first reflective sub-element disposed on a side of the light emitting assembly facing the light absorbing element and within the privacy zone and within two adjacent sub-pixel zones. The ultraviolet light corresponding to the oblique viewing angle direction of the display panel is transmitted through the packaging layer to be emitted to the first reflecting sub-element, and the first reflecting sub-element is used for reflecting the ultraviolet light emitted to the first reflecting sub-element to the light absorption element.

In an exemplary embodiment, each of the second reflective elements further includes a second reflective sub-element disposed on a side of the light emitting assembly facing the light absorbing element, and the first reflective sub-element covers the second reflective sub-element to the light emitting assembly. The display panel further comprises a plurality of first reflecting elements and a plurality of second reflecting elements, wherein one first reflecting element is arranged on one side, opposite to the packaging layer, of the light absorption element and is positioned in one peep-proof area, at least one second reflecting element is arranged on one side, opposite to the light absorption element, of the light emission component, the packaging layer covers the plurality of second reflecting elements, and at least one second reflecting element is positioned in one peep-proof area. The ambient light further includes visible light, the visible light corresponding to a squint angle direction of the display panel is transmitted through the encapsulation layer to the second reflecting sub-element, the second reflecting sub-element is used for reflecting the visible light which is transmitted to the second reflecting sub-element to the first reflecting element, the first reflecting element is used for reflecting part of the visible light which is transmitted to the first reflecting element to the second reflecting element, the second reflecting element is used for reflecting the visible light which is transmitted to the second reflecting element to an emergent side of an adjacent sub-pixel area, and a direction of the visible light which is transmitted to the emergent side of the sub-pixel area corresponds to the squint angle direction of the display panel.

In an exemplary embodiment, the surface of the first light reflecting element facing the light absorbing element is a flat surface. Or, the surface of the first reflecting element facing the light absorbing element is an arc surface, and the arc surface is concave towards the direction of the first reflecting element facing away from the light absorbing element.

In an exemplary embodiment, the second light reflecting element is reduced in size in a direction facing away from the light emitting component, at least part of the peripheral side face of the second light reflecting element being correspondingly reduced in size.

In an exemplary embodiment, the height of the first reflective sub-element increases in a direction in which the first reflective sub-element peripheral edge points in the middle of the first reflective sub-element. The height of the second reflective subelement increases in a direction in which the outer side of the second reflective subelement points toward the inner side of the second reflective subelement.

In an exemplary embodiment, the first reflective element includes a polycarbonate film layer and a silicon dioxide and titanium dioxide film layer that are stacked. The first reflecting sub-element comprises a polycarbonate film layer and a silicon dioxide and titanium dioxide film layer which are stacked.

In an exemplary embodiment, the first reflective element protrudes towards a side of the first reflective element facing away from the light emitting element.

Based on the same inventive concept, the embodiment of the application also provides a display panel with the display device, wherein the display device comprises a shell and the display panel, and the display panel is arranged in the shell.

In summary, the display device provided in this embodiment of the present application includes a housing and a display panel, where the display panel reflects the ultraviolet light by using the first reflective element, so that less ultraviolet light or no ultraviolet light is emitted to the light emitting component, and the light absorbing element absorbs part of the ultraviolet light reflected by the first reflective element, so that the ultraviolet light reflected by the first reflective element is prevented from being emitted to the light emitting component again, which is favorable to improving the service life, weather resistance and stability of the light emitting component, and further improves the service life of the display panel and the display effect of the display panel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic layer structure of a display device according to a first embodiment of the present disclosure;

FIG. 2 is a schematic top view of a display panel according to a second embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of the display panel of FIG. 2 along the direction III-III;

fig. 4 is a schematic view of a first layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure;

fig. 5 is a schematic view of a second layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure;

fig. 6 is a schematic view of a third layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure;

fig. 7 is a schematic view of a fourth layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure;

fig. 8 is a schematic view of a first layer structure of a sub-pixel area and a peep-proof area of a display panel according to a third embodiment of the present disclosure;

FIG. 9 is an enlarged schematic view of structure VIIII of the display panel shown in FIG. 8;

fig. 10 is a schematic view of a second layer structure of a sub-pixel area and a peep-proof area of a display panel according to a third embodiment of the present disclosure;

fig. 11 is a schematic layer structure diagram of a sub-pixel area and a peep-proof area of a display panel according to a fourth embodiment of the present disclosure;

Fig. 12 is an enlarged schematic view of the structure XII in the display panel shown in fig. 11.

Reference numerals illustrate:

001-a first direction; 002-a second direction; 1-a display device; 10-a housing; 30-a display panel; 31-a substrate; 32-a driving circuit layer; 33-a light emitting assembly; 34-a first reflective element; 35-an encapsulation layer; a 37-light absorbing element; 38-a first retroreflective element; 39-a second retroreflective element; 41-a light shielding layer; 42-a second reflective element; 331-a pixel layer; 331 a-pixel aperture; 331 b-receiving aperture; 332-a first anode; 333-a light emitting element; 333 a-a first light emitting element; 333 b-a second light emitting element; 333 c-a third light emitting element; 334-cathode layer; 336-a second anode; 337-a peep-proof light emitting element; 337 a-a first privacy lighting element; 337 b-a second privacy lighting element; 337 c-a third privacy lighting element; 391-a first light reflecting sub-element; 392-a second reflector element; 421-a first reflector subelement; 422-a second reflector subelement; a1-a sub-pixel region; a2-a non-subpixel area; a21-peep-proof area; a22-non-privacy zone.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments that can be used to practice the present application. The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. Directional terms referred to in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., are merely directions referring to the attached drawings, and thus, directional terms are used for better, more clear description and understanding of the present application, rather than indicating or implying that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the drawings are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprises," "comprising," "includes," "including," "may be" or "including" as used in this application mean the presence of the corresponding function, operation, element, etc. disclosed, but not limited to other one or more additional functions, operations, elements, etc. Furthermore, the terms "comprises" or "comprising" mean that there is a corresponding feature, number, step, operation, element, component, or combination thereof disclosed in the specification, and that there is no intention to exclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof. It will also be understood that the meaning of "at least one" as described herein is one and more, such as one, two or three, etc., and the meaning of "a plurality" is at least two, such as two or three, etc., unless specifically defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Referring to fig. 1, fig. 1 is a schematic layer structure of a display device according to a first embodiment of the present disclosure. In this embodiment, the display device 1 may include a housing 10 and a display panel 30 disposed in the housing 10, where a light emitting side of the display panel 30 is exposed out of the housing 10. The display panel 30 is used for displaying images.

In an exemplary embodiment, the display panel 30 may be an Organic Light-Emitting Diode (OLED) display panel or a Micro Light-Emitting Diode (Micro LED) display panel, and the present application describes the display panel 30 as an OLED display panel.

It will be appreciated that the display device 1 may be used in electronic devices including, but not limited to, televisions, tablet computers, notebook computers, desktop computers, mobile phones, car monitors, smart watches, smart bracelets, smart glasses, road signs, etc. According to the embodiment of the present application, the specific type of the display device 1 is not particularly limited, and a person skilled in the art may perform a corresponding design according to the specific use requirement of the display device 1, which is not described herein.

In an exemplary embodiment, the display device 1 may further include other necessary components and constituent parts such as a driving board, a power board, a high-voltage board, and a key control board, which may be correspondingly supplemented by those skilled in the art according to the specific type and actual function of the display device 1, and will not be described herein.

Referring to fig. 2, fig. 2 is a schematic top view of a portion of a display panel according to a second embodiment of the disclosure. In the embodiment of the present application, the display panel 30 includes a plurality of sub-pixel areas A1 and non-sub-pixel areas A2. The sub-pixel areas A1 are arranged in an array, that is, the sub-pixel areas A1 are arranged in a plurality of rows along a first direction 001 and in a plurality of columns along a second direction 002 perpendicular to the first direction 001, the sub-pixel areas A1 are spaced apart from each other, and the sub-pixel areas A1 are used for emitting display light. The non-sub-pixel area A2 is disposed on the peripheral side of the sub-pixel areas A1, that is, the area where the sub-pixel areas A1 are spaced apart belongs to the non-sub-pixel areas A2.

The non-sub-pixel area A2 includes a plurality of peep-preventing areas a21 and a plurality of non-peep-preventing areas a22, and the plurality of peep-preventing areas a21 are distributed in an array, that is, the plurality of peep-preventing areas a21 are arranged in a plurality of rows along the first direction 001 and in a plurality of columns along the second direction 002. In the first direction 001, one peep-proof area a21 is disposed between two adjacent sub-pixel areas A1. That is, along the first direction 001, the plurality of sub-pixel areas A1 and the plurality of peep-proof areas a21 may be as follows: the sub-pixel area A1, the peep-proof area a21, the sub-pixel areas A1 and … …, the sub-pixel area A1, the peep-proof area a21 and the sub-pixel area A1 are arranged in a mode. One non-peep-proof area a22 is disposed between the sub-pixel areas A1 of two adjacent rows and between the peep-proof areas a21 of two adjacent rows.

It is to be understood that, in other embodiments, in the second direction 002, one of the peep-preventing areas a21 may be disposed between two adjacent sub-pixel areas A1; alternatively, in the first direction 001 and the second direction 002, one of the peep-preventing regions a21 may be disposed between two adjacent sub-pixel regions A1, which is not specifically limited in this application.

Referring to fig. 3, fig. 3 is a schematic cross-sectional view of the display panel shown in fig. 2 along the direction III-III. In the embodiment of the present application, the display panel 30 includes a substrate 31, a driving circuit layer 32, and a light emitting element 33, which are sequentially stacked. That is, the driving circuit layer 32 is disposed on a side of the substrate 31, the light emitting component 33 is disposed on a side of the driving circuit layer 32 facing away from the substrate 31, and a side of the light emitting component 33 facing away from the driving circuit layer 32 is a light emitting side of the light emitting component 33. Part of the substrate 31 is located in the sub-pixel area A1, and part of the substrate 31 is located in the peep-proof area a 21. Part of the driving circuit layer 32 is located in the sub-pixel area A1, part of the driving circuit layer 32 is located in the peep-proof area a21, part of the light emitting component 33 is located in the sub-pixel area A1, and part of the light emitting component 33 is located in the peep-proof area a 21. The substrate 31 is used for providing a surface on which the driving circuit layer 32 is formed, and the driving circuit layer 32 is used for driving the light emitting component 33 to emit light.

In this embodiment, referring to fig. 3 and fig. 4, fig. 4 is a schematic view of a first layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure. The display panel 30 further includes a plurality of first reflective elements 34, where the plurality of first reflective elements 34 are disposed on a side of the light emitting component 33 opposite to the driving circuit layer 32, and each of the first reflective elements 34 is located in one of the sub-pixel areas A1, that is, an orthographic projection of one of the first reflective elements 34 on the light emitting component 33 is located in an orthographic projection of one of the sub-pixel areas A1 on the light emitting component 33. The display panel 30 further includes an encapsulation layer 35, where the encapsulation layer 35 is disposed on a side of the light emitting component 33 opposite to the driving circuit layer 32, a side of the plurality of first reflective elements 34 opposite to the light emitting component 33, and a peripheral side of the plurality of first reflective elements 34, that is, the encapsulation layer 35 covers the plurality of first reflective elements 34 to the light emitting component 33. The encapsulation layer 35 is used for encapsulating the light emitting component 33 and the plurality of first reflective elements 34, so that the light emitting component 33 and the plurality of first reflective elements 34 are isolated from the outside, and the light emitting component 33 and the plurality of first reflective elements 34 are prevented from being affected by moisture, oxygen, dust or other impurities.

In this embodiment, referring to fig. 3 and 4, the display panel 30 further includes a plurality of light absorbing elements 37, the plurality of light absorbing elements 37 are disposed on a side of the encapsulation layer 35 opposite to the light emitting component 33, and one light absorbing element 37 is located in one of the peep preventing areas a21, that is, positions of the plurality of light absorbing elements 37 are in one-to-one correspondence with positions of the plurality of peep preventing areas a 21. The ambient light includes ultraviolet light, the ultraviolet light corresponding to the front view direction of the display panel 30 is transmitted through the encapsulation layer 35 to be emitted to the first reflective element 34, and the first reflective element 34 is configured to reflect the ultraviolet light emitted to the first reflective element 34 to the light absorbing element 37 located in two adjacent privacy zones a21 and the light emitting side of the sub-pixel zone A1 where the first reflective element 34 is located. That is, the first reflecting element 34 reflects part of the ultraviolet light to the two light absorbing elements 37 and part of the ultraviolet light to the light emitting side of the sub-pixel area A1. The sub-pixel area A1 where the first reflective element 34 is located is adjacent to the peep-proof area a21 where the two light absorbing elements 37 are respectively located, and the light emitting side of the sub-pixel area A1 is a side of the encapsulation layer 35 of the sub-pixel area A1 opposite to the first reflective element 34. The light absorbing element 37 is configured to absorb the ultraviolet light reflected by the first reflective element 34 to the light absorbing element 37.

It will be appreciated that the solid arrow in fig. 4 indicates the propagation direction of the ultraviolet light, and the sub-pixel area A1 is used for emitting display light, and the ambient light (sunlight) includes visible light and ultraviolet light, and the visible light and the ultraviolet light penetrate through the encapsulation layer 35 located in the sub-pixel area A1, where the ultraviolet light penetrates through the encapsulation layer 35 located in the sub-pixel area A1 and is directed to the first reflective element 34. The first reflecting element 34 reflects the ultraviolet light so that less or no ultraviolet light is emitted to the light emitting component 33, and the light absorbing element 37 absorbs at least part of the ultraviolet light reflected by the first reflecting element 34, so that the ultraviolet light reflected by the first reflecting element 34 is prevented from being redirected to the light emitting component 33, which is beneficial to improving the service life, weather resistance and stability of the light emitting component 33, and further improving the service life of the display panel 30 and the display effect of the display panel 30.

In an exemplary embodiment, referring to fig. 3, the first reflective element 34 includes a Polycarbonate (PC) film layer and a silicon dioxide and titanium dioxide (SiO 2/TiO 2) film layer that are stacked. The principle of the first reflecting element 34 reflecting ultraviolet light is photon forbidden band effect. The particle size of the silica and titania film particles in the silica and titania film layer is less than or equal to 15nm, for example, 1nm, 3nm, 8nm, 10nm, 13nm, 15nm, or other values, which are not particularly limited in this application. The material of the light absorbing element 37 may comprise titanium dioxide.

It should be noted that the polycarbonate film, the silicon dioxide and titanium dioxide film, and titanium dioxide have better transmittance for the light emitted from the light emitting component 33.

In the embodiment, referring to fig. 3 and 4, the light emitting component 33 includes a pixel layer 331, and the pixel layer 331 is disposed on a side of the driving circuit layer 32 opposite to the substrate 31. The pixel layer 331 is provided with a plurality of pixel holes 331a penetrating the pixel layer 331, and one of the pixel holes 331a is located in one of the sub-pixel regions A1, so that a portion of the driving circuit layer 32 exposes the opening of the pixel hole 331a facing the driving circuit layer 32. The light emitting assembly 33 further includes a plurality of first anodes 332, a plurality of light emitting elements 333, and a cathode layer 334, wherein one of the first anodes 332 is disposed in one of the pixel holes 331a and connected to the driving circuit layer 32, such that the first anode 332 is electrically connected to the driving circuit layer 32. One of the light emitting elements 333 is disposed in the pixel hole 331a and on a side of the first anode 332 opposite to the driving circuit layer 32, and the light emitting element 333 is connected to the first anode 332 such that the light emitting element 333 is electrically connected to the first anode 332. A part of the cathode layer 334 is located in the sub-pixel area A1, a part of the cathode layer 334 is located in the peep-proof area a21, and a part of the cathode layer 334 located in the sub-pixel area A1 is disposed at a side of each light emitting element 333 opposite to the first anode 332 and a part of the pixel layer 331 opposite to the driving circuit layer 32. Each of the light emitting elements 333 is connected to the cathode layer 334 such that each of the light emitting elements 333 is electrically connected to the cathode layer 334. The driving circuit layer 32 is configured to drive each of the light emitting elements 333 to emit display light.

In an exemplary embodiment, the driving circuit layer 32 may drive the plurality of light emitting elements 333 to emit display light by Passive driving (PM) or Active driving (AM). Wherein passive driving refers to: the pulse current is directly applied to the light emitting element 333, and active driving means: the driving circuit layer 32 is provided with a thin film transistor having a switch energization and a capacitor storing electric charges for each of the light emitting elements 333.

In this embodiment, referring to fig. 3 and 4, the first reflective element 34 is disposed on a side of a portion of the cathode layer 334 facing away from the light emitting element 333, and the positions of the plurality of first reflective elements 34 are in one-to-one correspondence with the positions of the plurality of light emitting elements 333, that is, the front projection of one first reflective element 34 on the driving circuit layer 32 coincides with or partially coincides with the front projection of one light emitting element 333 on the driving circuit layer 32, that is, the front projection of one first reflective element 34 on the driving circuit layer 32 coincides with at least partially the front projection of one light emitting element 333 on the driving circuit layer 32.

In an exemplary embodiment, the first reflecting element 34 may have a curved plate-like structure as a whole, and the first reflecting element 34 protrudes toward a side of the first reflecting element 34 facing away from the light emitting element 333. That is, the surface of the first reflecting element 34 facing the light emitting element 333 and the surface of the first reflecting element 34 facing away from the light emitting element 333 are both arc surfaces, and the arc surfaces protrude toward the side of the first reflecting element 34 facing away from the light emitting element 333.

In an exemplary embodiment, a surface of the first reflecting element 34 facing the light emitting element 333 is spaced apart from the cathode layer 334, and a supporting element for supporting the first reflecting element 34 may be provided between the surface of the first reflecting element 34 facing the light emitting element 333 and the cathode layer 334.

In this embodiment, referring to fig. 3 and 4, the pixel layer 331 is further provided with a plurality of accommodating holes 331b penetrating the pixel layer 331, and a portion of the driving circuit layer 32 leaks out of the accommodating holes 331b to face the opening of the driving circuit layer 32. Two adjacent accommodating holes 331b are arranged in each peep-proof area a21 at intervals, and the two accommodating holes 331b are sequentially arranged at intervals along the first direction 001, so that each pixel hole 331a is respectively adjacent to two accommodating holes 331b, and the two accommodating holes 331b adjacent to the same pixel hole 331a are respectively located in two peep-proof areas a 21. That is, two accommodation holes 331b located in the same privacy zone a21 are alternately arranged along the first direction 001 and the plurality of pixel holes 331a in sequence.

In this embodiment, referring to fig. 3 and 4, the light emitting assembly 33 further includes a plurality of second anodes 336 and a plurality of peep-proof light emitting elements 337, each of the accommodation holes 331b is provided with one of the second anodes 336, and each of the second anodes 336 is connected to the driving circuit layer 32 so as to electrically connect each of the second anodes 336 to the driving circuit layer 32. One of the peep-proof light-emitting elements 337 is disposed in one of the accommodation holes 331b and is connected to the second anode 336, so as to electrically connect the second anode 336 to the peep-proof light-emitting element 337. The peep-proof light-emitting element 337 is disposed in the accommodating hole 331b and is disposed on a side of the second anode 336 opposite to the driving circuit layer 32, and a portion of the cathode layer 334 disposed in the peep-proof area a21 is disposed on a plurality of sides of the peep-proof light-emitting element 337 opposite to the second anode 336 and a plurality of sides of the pixel layer 331 opposite to the driving circuit layer 32, and is connected to a plurality of peep-proof light-emitting elements 337, so as to electrically connect the cathode layer 334 with a plurality of peep-proof light-emitting elements 337. The driving circuit layer 32 is further configured to drive the plurality of peep-proof light emitting elements 337 to emit peep-proof light. The solid arrow with dotted lines in fig. 4 indicates the propagation direction of the peep-proof light.

In an exemplary embodiment, referring to fig. 3 and 4, a portion of the cathode layer 334 on a side of the light emitting element 333 opposite to the first anode 332 is identical to a portion of the cathode layer 334 on a side of the peep-proof light emitting element 337 opposite to the second anode 336, and a portion of the cathode layer 334 on a side of the pixel layer 331 opposite to the driving circuit layer 32 is higher than a portion of the cathode layer 334 on a side of the light emitting element 333 opposite to the first anode 332. The height is based on the surface of the driving circuit layer 32 facing away from the substrate 31, and the direction of the driving circuit layer 32 facing away from the substrate 31 is the direction in which the height increases.

In this embodiment, referring to fig. 3 and 4, the display panel 30 further includes a plurality of first reflective elements 38 and a plurality of second reflective elements 39, where one of the first reflective elements 38 is disposed on a side of one of the light absorbing elements 37 opposite to the encapsulation layer 35 and is located in one of the peep-preventing areas a 21. At least one second reflecting element 39 is disposed on a side of the light emitting component 33 facing the light absorbing element 37, and the encapsulation layer 35 covers a plurality of second reflecting elements 39, at least one second reflecting element 39 is disposed in one peep preventing area a21, that is, at least one second reflecting element 39 is disposed on a side of a portion of the cathode layer 334 facing away from the pixel layer 331. In one of the peep-preventing areas a21, the peep-preventing light emitted by two adjacent peep-preventing light-emitting elements 337 is directed to the light-emitting sides of two adjacent sub-pixel areas A1 and the light-absorbing element 37, wherein the peep-preventing light directed to the light-absorbing element 37 is transmitted to the first light-reflecting element 38 through the light-absorbing element 37, the first light-reflecting element 38 reflects the peep-preventing light directed to the first light-reflecting element 38 to the side of the light-emitting assembly 33 facing away from the driving circuit layer 32, wherein the first light-reflecting element 38 reflects the peep-preventing light directed to the first light-reflecting element 38 to at least one of the second light-reflecting elements 39, and at least one of the second light-reflecting elements 39 directs the peep-preventing light directed to the second light-reflecting element 39 to the light-emitting sides of two adjacent sub-pixel areas A1. The direction of the peep-proof light emitted to the light absorbing element 37 corresponds to the front view direction of the display panel 30, and the direction of the peep-proof light emitted to the light emitting sides of the two sub-pixel areas A1 corresponds to the oblique view direction of the display panel 30.

It can be appreciated that, part of the peep-proof light emitted by the two peep-proof light emitting elements 337 is directed to the light emitting sides of the two adjacent sub-pixel areas A1, so that the displayed image of the display panel 30 cannot be clearly seen when the display panel 30 is viewed from the oblique view angle direction of the display panel 30, thereby realizing the peep-proof function. And then, part of the peep-proof light is reflected by the first reflecting element 38 to the second reflecting element 39 and the second reflecting element 39 reflects the peep-proof light to the light-emitting sides of the two adjacent sub-pixel areas A1, so that the peep-proof light emitted by the two peep-proof light-emitting elements 337 is emitted to the light-emitting sides of the two adjacent sub-pixel areas A1 more, thereby avoiding the peep-proof light loss in the display panel 30 and further improving the peep-proof effect.

In an exemplary embodiment, referring to fig. 3 and 4, the surface of the first light reflecting element 38 facing the light absorbing element 37 is a flat surface, and the surface of the light absorbing element 37 facing the first light reflecting element 38 is also a flat surface.

In an exemplary embodiment, referring to fig. 4, the number of the second reflecting elements 39 is one, one second reflecting element 39 is located in the peep-proof area a21 and is located at a side of the cathode layer 334 opposite to the pixel layer 331, and the encapsulation layer 35 covers the second reflecting elements 39 to the cathode layer 334. The front projection of one of the second light reflecting elements 39 on the driving circuit layer 32 is located between the front projections of two of the peep-preventing light emitting elements 337 on the driving circuit layer 32.

In the exemplary embodiment, the dimensions of the peripheral sides (reflective surfaces) of the second light reflecting elements 39 in the direction of the second light reflecting elements 39 facing away from the cathode layer 334 decrease gradually, i.e. the peripheral sides of the second light reflecting elements 39 get closer gradually. That is, the second reflecting element 39 may have a triangular cross-section, one side thereof being located on the cathode layer 334, and the other two sides extending toward the light absorbing element 37 and being close to each other.

In this embodiment, referring to fig. 3 and 4, the display panel 30 further includes a light shielding layer 41, the light shielding layer 41 is disposed on a side of the plurality of first reflective elements 38 facing away from the plurality of light absorbing elements 37, and the light shielding layer 41 is located in the non-sub-pixel area A2, and the light shielding layer 41 is configured to shield light emitted by the adjacent sub-pixel area A1, so as to avoid color crosstalk between the adjacent sub-pixel areas A1.

In this embodiment, referring to fig. 3, the plurality of light emitting elements 333 includes a plurality of first light emitting elements 333a, a plurality of second light emitting elements 333b, and a plurality of third light emitting elements 333c, one of the first light emitting elements 333a, one of the second light emitting elements 333b, or one of the third light emitting elements 333c is disposed in each of the sub-pixel regions A1, and one of the first light emitting elements 333a, one of the second light emitting elements 333b, and one of the third light emitting elements 333c is disposed in each of the adjacent three sub-pixel regions A1. The first light emitting element 333a is configured to emit first display light, the second light emitting element 333b is configured to emit second display light, and the third light emitting element 333c is configured to emit third display light.

In an exemplary embodiment, referring to fig. 3, the plurality of first light emitting elements 333a, the plurality of second light emitting elements 333b, and the plurality of third light emitting elements 333c disposed in the same row (along the first direction 001) may be as follows: the first light emitting element 333a, the second light emitting element 333b, the third light emitting element 333c, the first light emitting element 333a, the second light emitting element 333b, the third light emitting elements 333c, … …, the first light emitting element 333a, the second light emitting element 333b, and the third light emitting element 333c are arranged in this order. The plurality of light emitting elements located in the same column are the same type of light emitting elements, that is, the plurality of light emitting elements located in the same column (along the second direction 002) are each the plurality of first light emitting elements 333a, the plurality of second light emitting elements 333b, or the plurality of third light emitting elements 333c.

In this embodiment, referring to fig. 3, the plurality of peep-proof light-emitting elements 337 includes a plurality of first peep-proof light-emitting elements 337a, a plurality of second peep-proof light-emitting elements 337b, and a plurality of third peep-proof light-emitting elements 337c. Each peep-proof area a21 is internally provided with one first peep-proof light-emitting element 337a and one second peep-proof light-emitting element 337b, one second peep-proof light-emitting element 337b and one third peep-proof light-emitting element 337c, or one third peep-proof light-emitting element 337c and one first peep-proof light-emitting element 337a. That is, in the adjacent three peep-preventing areas a21 (for convenience of description, may be sequentially defined as a first peep-preventing area, a second peep-preventing area and a third peep-preventing area), one of the first peep-preventing light-emitting elements 337a and one of the second peep-preventing light-emitting elements 337b are disposed in one of the peep-preventing areas a21 (i.e., the second peep-preventing area), one of the second peep-preventing light-emitting elements 337b and one of the third peep-preventing light-emitting elements 337c are disposed in the other one of the peep-preventing areas a21 (i.e., the third peep-preventing area), and one of the third peep-preventing light-emitting elements 337c and one of the first peep-preventing light-emitting elements 337a are disposed in the other one of the peep-preventing areas a21 (i.e., the third peep-preventing area). The first peep-proof light-emitting element 337a emits first peep-proof light, the second peep-proof light-emitting element 337b emits second peep-proof light, and the third peep-proof light-emitting element 337c emits third peep-proof light.

In an embodiment of the present application, referring to fig. 3, the first light emitting element 333a is adjacent to two first peep-proof light emitting elements 337a, the second light emitting element 333b is adjacent to two second peep-proof light emitting elements 337b, and the third light emitting element 333c is adjacent to two third peep-proof light emitting elements 337 c. The color of the first peep-proof light is the same as that of the first display light, the color of the second peep-proof light is the same as that of the second display light, and the color of the third peep-proof light is the same as that of the third display light. The first peep-proof light and the first display light can be red light, the second peep-proof light and the second display light can be green light, and the third peep-proof light and the third display light can be blue light.

It can be appreciated that the first light-proof element 337a emits red light, the second light-proof element 337b emits green light, and the third light-proof element 337c emits blue light, such that the color of the display panel 30 viewed from the oblique viewing angle direction is adjustable, for example, the first light-proof element 337a emits light with the third light-proof element 337c, and the oblique viewing angle direction of the display panel 30 shows yellow; the first, second and third peep-proof light-emitting elements 337a, 337b and 337c emit light, and the oblique view direction of the display panel 30 displays white. Moreover, the color of the first peep-proof light emitted by the first peep-proof light emitting element 337a is the same as the color of the first display light emitted by the first light emitting element 333a, the color of the second peep-proof light emitted by the second peep-proof light emitting element 337b is the same as the color of the second display light emitted by the second light emitting element 333b, and the color of the third peep-proof light emitted by the third peep-proof light emitting element 337c is the same as the color of the third display light emitted by the third light emitting element 333c, so that crosstalk between the peep-proof light emitted by the peep-proof light emitting element 337 and the display light emitted by the light emitting element 333 can be avoided.

In an exemplary embodiment, the Light Emitting element 333 and the peep-proof Light Emitting element 337 may be an Organic Light-Emitting Diode (OLED) or a Micro Light-Emitting Diode (Micro LED).

Referring to fig. 5, fig. 5 is a schematic view of a second layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure. The display panel shown in fig. 5 is different from the display panel shown in fig. 4 in that: the second retroreflective elements 39 are differently shaped. Specifically, the second reflecting element 39 may have a trapezoid cross section, a bottom thereof is located on the cathode layer 334, and an upper bottom thereof is located on a side of the bottom facing away from the cathode layer 334, wherein the length of the bottom is greater than the length of the upper bottom. For other descriptions of the display panel shown in fig. 5, please refer to the related descriptions of the display panels shown in fig. 3 and fig. 4, and the descriptions thereof are omitted herein.

Referring to fig. 6, fig. 6 is a schematic view of a third layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure. The display panel shown in fig. 6 is different from the display panel shown in fig. 4 in that: the second retroreflective elements 39 are differently shaped. Specifically, the second reflecting element 39 includes a first reflecting sub-element 391 and a second reflecting sub-element 392, the first reflecting sub-element 391 is disposed on a side of a portion of the cathode layer 334 facing away from the pixel layer 331, and the second reflecting sub-element 392 is disposed on a side of the first reflecting sub-element 391 facing away from the cathode layer 334. In the direction of the second reflecting element 39 facing away from the cathode layer 334, the size corresponding to the peripheral side surface of the first reflecting sub-element 391 gradually increases, the size corresponding to the peripheral side surface of the second reflecting sub-element 392 gradually decreases, that is, the size corresponding to the partial peripheral side surface (reflecting surface) of the second reflecting element 39 gradually decreases, that is, the partial peripheral side surface of the second reflecting element 39 gradually closes. The first reflecting sub-element 391 may have an inverted trapezoid cross section, with an upper bottom located on the cathode layer 334, and the second reflecting sub-element 392 may have a triangle cross section, with one side located on the lower bottom of the first reflecting sub-element 391. That is, the second reflecting element 39 may have a pentagon shape in cross section, and one side thereof is located on the cathode layer 334. For other descriptions of the display panel shown in fig. 6, please refer to the related descriptions of the display panels shown in fig. 3 and fig. 4, and the descriptions thereof are omitted herein.

Referring to fig. 7, fig. 7 is a schematic diagram of a fourth layer structure of a sub-pixel area and a peep-proof area of a display panel according to a second embodiment of the present disclosure. The display panel shown in fig. 7 is different from the display panel shown in fig. 4 in that: the first light reflecting element 38 has a different shape of the surface facing the light absorbing element 37. For other descriptions of the display panel shown in fig. 7, please refer to the related descriptions of the display panels of fig. 3 and fig. 4, and the descriptions thereof are omitted herein.

Specifically, in the present embodiment, the surface of the first reflecting element 38 facing the light absorbing element 37 is a cambered surface, and the cambered surface is concave in a direction in which the first reflecting element 38 faces away from the light absorbing element 37, that is, in a direction in which the middle portion of the first reflecting element 38 points to the peripheral portion of the first reflecting element 38, the height of the surface of the first reflecting element 38 facing the light absorbing element 37 gradually decreases. The surface of the light absorbing element 37 facing the first light reflecting element 38 is a cambered surface, and the cambered surface projects in a direction in which the first light reflecting element 38 faces away from the light absorbing element 37, i.e., in a direction in which the middle portion of the light absorbing element 37 points to the peripheral portion of the light absorbing element 37, the height of the surface of the light absorbing element 37 facing the first light reflecting element 38 gradually decreases. Wherein the shape of the surface of the first light reflecting element 38 facing the light absorbing element 37 matches the shape of the surface of the light absorbing element 37 facing the first light reflecting element 38, i.e. there is no gap between the first light reflecting element 38 and the light absorbing element 37.

It can be understood that, the surface of the first reflecting element 38 facing the light absorbing element 37 is a cambered surface concave to the direction of the first reflecting element 38 facing away from the light absorbing element 37, so that the first reflecting element 38 can direct more peep-proof light to the second reflecting element 39, and further the second reflecting element 39 can direct more peep-proof light to the light emitting sides of two adjacent sub-pixel areas A1, thereby improving the utilization rate of the peep-proof light and the peep-proof effect.

Referring to fig. 8, fig. 8 is a schematic view of a first layer structure of a sub-pixel area and a peep-proof area of a display panel according to a third embodiment of the present disclosure. The display panel of the third embodiment is different from the display panel of the second embodiment shown in fig. 7 in that: the display panel of the third embodiment further comprises a plurality of second reflective elements 42. For a description of the display panel of the third embodiment, please refer to the description of the display panel of the second embodiment, and the description is omitted herein.

In this embodiment, please refer to fig. 8 and fig. 9 together, and fig. 9 is an enlarged schematic diagram of structure VIIII in the display panel shown in fig. 8. One of the second reflective elements 42 is disposed in one of the peep-preventing regions a21 and two of the sub-pixel regions A1 adjacent to the peep-preventing region a 21. That is, a portion of the second reflective element 42 is disposed in one of the peep-preventing regions a21, and another portion of the second reflective element 42 is disposed in two of the sub-pixel regions A1 adjacent to the peep-preventing region a21, that is, opposite ends of one of the second reflective elements 42 extend into two of the adjacent sub-pixel regions A1, and the other portion of the second reflective element 42 is disposed in one of the peep-preventing regions a21 between the two of the adjacent sub-pixel regions A1. The second reflective element 42 located in the peep-proof area a21 is disposed on a side of the cathode layer 334 facing away from the two peep-proof light emitting elements 337 and a portion of the cathode layer 334 facing away from the pixel layer 331. The second reflective element 42 located in the sub-pixel area A1 is disposed on a side of a portion of the cathode layer 334 facing away from the pixel layer 331, that is, a plurality of second reflective elements 42 are disposed on a side of the light emitting component 33 facing the plurality of light absorbing elements 37, and the encapsulation layer 35 covers the plurality of second reflective elements 42 to the light emitting component 33. The ultraviolet light corresponding to the oblique viewing angle direction of the display panel 30 is emitted to the second reflecting element 42 through the encapsulation layer 35, the second reflecting element 42 is used for reflecting the ultraviolet light corresponding to the oblique viewing angle direction of the display panel 30 to the light absorbing element 37, and the light absorbing element 37 is used for absorbing the ultraviolet light reflected by the second reflecting element 42. The second reflecting element 39 is disposed on a side of the second reflecting element 42 opposite to the cathode layer 334.

It will be appreciated that the ultraviolet light in the ambient light may be directed from the front view direction of the display panel 30 to the first reflecting element 34 and from the oblique view direction of the display panel 30 to the second reflecting element 42, the first reflecting element 34 reflects the ultraviolet light corresponding to the front view direction of the display panel 30, and the second reflecting element 42 reflects the ultraviolet light corresponding to the oblique view direction of the display panel 30, so that less or no ultraviolet light is directed to the light emitting assembly 33, which is beneficial to improving the lifetime, weather resistance and stability of the light emitting assembly 33, and further improving the lifetime of the display panel 30 and the display effect of the display panel 30.

In this embodiment, referring to fig. 9, the second reflective element 42 includes a first reflective sub-element 421 and a second reflective sub-element 422, a portion of the first reflective sub-element 421 is disposed in the peep-proof area a21, a portion of the first reflective sub-element 421 is disposed in two sub-pixel areas A1 adjacent to the peep-proof area a21, and the second reflective sub-element 422 is disposed in the peep-proof area a 21. The second reflective sub-element 422 is disposed on a side of the cathode layer 334 opposite to the pixel layer 331, and the first reflective sub-element 421 is disposed on a side of the cathode layer 334 opposite to the pixel layer 331, a side of the second reflective sub-element 422 opposite to the cathode layer 334, and a side of the cathode layer 334 opposite to the peep-proof light-emitting element 337. That is, the second reflecting sub-element 422 is disposed on a side of the light emitting component 33 facing the light absorbing element 37, and the first reflecting sub-element 421 covers the second reflecting sub-element 422 to the light emitting component. The ultraviolet light corresponding to the oblique viewing angle direction of the display panel 30 is emitted to the first reflector element 421 through the encapsulation layer 35, the first reflector element 421 is configured to reflect the ultraviolet light corresponding to the oblique viewing angle direction of the display panel 30 to the light absorbing element 37, and the light absorbing element 37 is configured to absorb the ultraviolet light reflected by the first reflector element 421. The ambient light further includes visible light, where solid arrows in fig. 9 are the propagation directions of ultraviolet light, solid line arrows are the propagation directions of visible light, dashed solid arrows are the propagation directions of peep-proof light, the visible light corresponding to the oblique viewing angle direction of the display panel 30 is transmitted through the encapsulation layer 35 to the second reflecting sub-element 422, the second reflecting sub-element 422 is used for reflecting the visible light to the first reflecting element 38, the first reflecting element 38 reflects part of the visible light that is transmitted to the first reflecting element 38 to at least one second reflecting element 39, at least one second reflecting element 39 reflects the visible light that is transmitted to the second reflecting element 39 to the light-emitting side of the adjacent subpixel region A1, and the direction in which the visible light is transmitted out of the display panel 30 corresponds to the oblique viewing angle direction of the display panel 30, so that the peep-proof effect is improved. The second reflecting element 39 is disposed on a side of the first reflecting sub-element 421 opposite to the cathode layer 334.

In an exemplary embodiment, the first reflective sub-element 421 includes a Polycarbonate (PC) film layer and a silicon dioxide and titanium dioxide (SiO 2/TiO 2) film layer that are stacked.

In an exemplary embodiment, the first reflective subelement 421 covers the cathode layer 334 in the privacy zone a 21. One of the second reflective elements 39 is disposed on a side of the first reflective sub-element 421 opposite to the cathode layer 334, and a position of the second reflective element 39 corresponds to a position of a middle portion of the first reflective sub-element 421.

In an exemplary embodiment, the first reflective sub-element 421 may have a curved plate-like structure as a whole, and the first reflective sub-element 421 protrudes toward a side of the first reflective sub-element 421 facing away from the cathode layer 334. That is, the surface of the first reflective sub-element 421 facing the cathode layer 334 and the surface of the first reflective sub-element 421 facing away from the cathode layer 334 are both arc surfaces, and the arc surfaces protrude to the side of the first reflective sub-element 421 facing away from the cathode layer 334. The height of the first reflective sub-element 421 increases in a direction in which the periphery of the first reflective sub-element 421 points toward the middle of the first reflective sub-element 421.

In an exemplary embodiment, the whole of the second reflecting sub-element 422 may be a hollow cylindrical structure, and the orthographic projections of the two peep-preventing light-emitting elements 337 on the driving circuit layer 32 are located inside the orthographic projections of the second reflecting sub-element 422 on the driving circuit layer 32, so as to avoid the second reflecting sub-element 422 from shielding the peep-preventing light emitted by the two peep-preventing light-emitting elements 337. The second reflecting sub-element 422 is located in the peep-proof area a21, so as to prevent the second reflecting sub-element 422 from reflecting the visible light to the light-emitting side of the sub-pixel area A1, thereby affecting the picture displayed in the positive viewing angle direction of the display panel 30.

In an exemplary embodiment, the height of the outer side of the second reflective sub-element 422 is smaller than the height of the inner side of the second reflective sub-element 422, i.e. the height of the second reflective sub-element 422 gradually increases in the direction in which the outer side of the second reflective sub-element 422 points to the inner side of the second reflective sub-element 422, such that the normal of the surface of the second reflective sub-element 422 facing away from the cathode layer 334 (the reflective surface of the second reflective sub-element 422) faces in the oblique viewing direction of the display panel 30 or such that the angle between the normal of the reflective surface of the second reflective sub-element 422 and the oblique viewing direction of the display panel 30 is as small as possible, whereby the reflective surface of the second reflective sub-element 422 may receive more of the visible light and reflect more of the visible light to the first reflective element 38.

In an exemplary embodiment, the angle α between the normal line of the reflective surface of the second reflective subelement 422 (i.e., the surface of the second reflective subelement 422 facing away from the cathode layer 334) and the front view direction of the display panel 30 may be greater than 0 degrees and less than or equal to 60 degrees, for example, 1 degree, 10 degrees, 19 degrees, 20 degrees, 25 degrees, 30 degrees, 40 degrees, 45 degrees, 50 degrees, 54 degrees, 60 degrees, or other values, which are not particularly limited in this application.

Referring to fig. 10, fig. 10 is a schematic diagram of a second layer structure of a sub-pixel area and a peep-proof area of a display panel according to a third embodiment of the present disclosure. In the present embodiment, the number of the second reflecting elements 39 is plural. The second reflective elements 39 are disposed at intervals on a side of the first reflective sub-element 421 opposite to the cathode layer 334, and the second reflective elements 39 can reflect more of the peep-proof light and the visible light to the light-emitting side of the adjacent sub-pixel area A1, thereby improving the peep-proof effect. The peep-proof light emitted from the two peep-proof light emitting elements 337 is emitted from the regions spaced apart from the plurality of second reflecting elements 39 toward the first reflecting elements 38.

Referring to fig. 11, fig. 11 is a schematic layer structure diagram of a sub-pixel area and a peep-proof area of a display panel according to a fourth embodiment of the disclosure. The display panel of the fourth embodiment is different from the display panel of the third embodiment shown in fig. 8 in that: the first reflective sub-element 421 of the display panel of the fourth embodiment is different from the first reflective sub-element 421 of the display panel of the third embodiment. For a description of the display panel of the fourth embodiment, please refer to the description of the display panel of the third embodiment, and the description is omitted herein.

Referring to fig. 11 and fig. 12 together, fig. 12 is an enlarged schematic view of a structure XII in the display panel shown in fig. 11. The whole of the first reflecting sub-element 421 may be a hollow cylindrical structure, and the orthographic projections of the two peep-proof light-emitting elements 337 on the driving circuit layer 32 are located inside the orthographic projections of the first reflecting sub-element 421 on the driving circuit layer 32. The height of the inner side surface of the first reflecting sub-element 421 is higher than the height of the outer side surface of the first reflecting sub-element 421.

In summary, in the display panel 30 and the display device 1 provided in the embodiments of the present application, the display panel 30 includes a plurality of sub-pixel areas A1 and a plurality of peep-proof areas a21, and the peep-proof areas a21 are disposed between two adjacent sub-pixel areas A1. The display panel 30 further includes a light emitting assembly 33, a plurality of first reflective elements 34, an encapsulation layer 35, and a plurality of light absorbing elements 37. The plurality of first reflective elements 34 are disposed on one side of the light emitting component 33, and one of the first reflective elements 34 is disposed in one of the sub-pixel regions A1, the encapsulation layer 35 covers the plurality of first reflective elements 34 to the light emitting component 33, the plurality of light absorbing elements 37 are disposed on one side of the encapsulation layer 35 opposite to the light emitting component 33, and one of the light absorbing elements 37 is disposed in one of the peep preventing regions a 21. Ultraviolet light corresponding to the front view direction of the display panel 30 is transmitted through the encapsulation layer 35 to be emitted to the first reflective element 34, the first reflective element 34 reflects the ultraviolet light emitted to the first reflective element 34 to the light-absorbing element 37 located in the adjacent two peep-preventing areas a21 and the light-emitting side of the sub-pixel area A1, and then the light-absorbing element 37 absorbs the ultraviolet light reflected to the light-absorbing element 37 by the first reflective element 34. Therefore, the ultraviolet light is reflected by the first reflecting element 34 so that less or no ultraviolet light is emitted to the light emitting assembly 33, and the light absorbing element 37 absorbs a portion of the ultraviolet light reflected by the first reflecting element 34, so that the ultraviolet light reflected by the first reflecting element 34 is prevented from being emitted to the light emitting assembly 33 again, which is beneficial to improving the life span, weather resistance and stability of the light emitting assembly 33, and further improving the life span of the display panel 30 and the display effect of the display panel 30.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the application of the present application is not limited to the examples described above, but that modifications and variations can be made by a person skilled in the art from the above description, all of which modifications and variations are intended to fall within the scope of the claims appended hereto. Those skilled in the art will recognize that the implementations of all or part of the procedures described in the embodiments described above and in accordance with the equivalent arrangements of the claims are within the scope of the present application.

Claims

1. The utility model provides a display panel, includes a plurality of sub-pixel regions and a plurality of peep-proof region, every peep-proof region sets up between two adjacent sub-pixel regions, its characterized in that, display panel still includes:

The light emitting device comprises a light emitting component and a plurality of first reflecting elements, wherein the plurality of first reflecting elements are arranged on one side of the light emitting component, one first reflecting element is positioned in one sub-pixel area, and the light emitting component is used for emitting light;

the packaging layer covers the plurality of first reflecting elements to the light-emitting component, the plurality of light-absorbing elements are arranged on one side of the packaging layer, which is opposite to the light-emitting component, and one light-absorbing element is positioned in one peep-proof area;

the ambient light comprises ultraviolet light, the ultraviolet light corresponding to the forward view angle direction of the display panel is transmitted through the packaging layer to irradiate to the plurality of first reflecting elements, the first reflecting elements are used for reflecting part of the ultraviolet light irradiated to the first reflecting elements to the light absorbing elements in the two peep-proof areas adjacent to the first reflecting elements, and the light absorbing elements are used for absorbing the ultraviolet light reflected to the light absorbing elements by the first reflecting elements.

2. The display panel according to claim 1, further comprising a plurality of second reflective elements disposed on a side of the light emitting assembly facing the light absorbing elements, wherein the encapsulation layer covers the plurality of second reflective elements to the light emitting assembly, one of the second reflective elements is disposed in one of the peep-preventing regions and in two adjacent sub-pixel regions, the ultraviolet light corresponding to the oblique viewing angle direction of the display panel is transmitted through the encapsulation layer to the second reflective elements, the second reflective elements are configured to reflect the ultraviolet light transmitted to the second reflective elements to the light absorbing elements, and the light absorbing elements are configured to absorb the ultraviolet light reflected by the second reflective elements.

3. The display panel of claim 2, wherein each of the second reflective elements comprises a first reflective sub-element disposed on a side of the light emitting assembly facing the light absorbing element and within the privacy zone and within adjacent two of the sub-pixel zones;

the ultraviolet light corresponding to the oblique viewing angle direction of the display panel is transmitted through the packaging layer to be emitted to the first reflecting sub-element, and the first reflecting sub-element is used for reflecting the ultraviolet light emitted to the first reflecting sub-element to the light absorption element.

4. The display panel of claim 3, wherein each of the second reflective elements further comprises a second reflective sub-element disposed on a side of the light emitting assembly facing the light absorbing element, the first reflective sub-element housing the second reflective sub-element to the light emitting assembly;

the display panel further comprises a plurality of first reflecting elements and a plurality of second reflecting elements, wherein one first reflecting element is arranged on one side of the light absorption element, which is opposite to the packaging layer, and is positioned in one peep-proof area, at least one second reflecting element is arranged on one side of the light emitting component, which is opposite to the light absorption element, the packaging layer is covered with a plurality of second reflecting elements, and at least one second reflecting element is positioned in one peep-proof area;

The ambient light further includes visible light, the visible light corresponding to a squint angle direction of the display panel is transmitted through the encapsulation layer to the second reflecting sub-element, the second reflecting sub-element is used for reflecting the visible light which is transmitted to the second reflecting sub-element to the first reflecting element, the first reflecting element is used for reflecting part of the visible light which is transmitted to the first reflecting element to the second reflecting element, the second reflecting element is used for reflecting the visible light which is transmitted to the second reflecting element to an emergent side of an adjacent sub-pixel area, and a direction of the visible light which is transmitted to the emergent side of the sub-pixel area corresponds to the squint angle direction of the display panel.

5. The display panel of claim 4, wherein a surface of the first light reflecting element facing the light absorbing element is a flat surface; or,

the surface of the first reflecting element facing the light absorbing element is an arc surface, and the arc surface is concave towards the direction of the first reflecting element facing away from the light absorbing element.

6. The display panel of claim 4, wherein the second light reflecting element is reduced in size with respect to at least a portion of a peripheral side surface of the second light reflecting element in a direction facing away from the light emitting assembly.

7. The display panel of claim 4, wherein the first reflective subelement increases in height in a direction in which a perimeter of the first reflective subelement points in the middle of the first reflective subelement;

the height of the second reflective subelement increases in a direction in which the outer side of the second reflective subelement points toward the inner side of the second reflective subelement.

8. The display panel of claim 4, wherein the first reflective element comprises a polycarbonate film layer and a silicon dioxide and titanium dioxide film layer stacked;

the first reflecting sub-element comprises a polycarbonate film layer and a silicon dioxide and titanium dioxide film layer which are stacked.

9. The display panel of any one of claims 1-8, wherein the first reflective element protrudes toward a side of the first reflective element facing away from the light emitting element.

10. A display device comprising a housing and the display panel of any one of claims 1-9 disposed within the housing.