CN117545302A

CN117545302A - Display panel and display device

Info

Publication number: CN117545302A
Application number: CN202311698534.1A
Authority: CN
Inventors: 郭秋月; 谢俊烽
Original assignee: HKC Co Ltd; Mianyang HKC Optoelectronics Technology Co Ltd
Current assignee: HKC Co Ltd; Mianyang HKC Optoelectronics Technology Co Ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-02-09

Abstract

The embodiment of the application discloses display panel and display device, display panel includes a plurality of sub-pixels that set up in substrate, a plurality of sub-pixels are used for the light of emergent different colours in order to carry out image display, display panel still includes encapsulation layer and peep-proof part, the encapsulation layer sets up in sub-pixel and keeps away from substrate one side for sub-pixel seals the setting, peep-proof part sets up in encapsulation layer and keeps away from sub-pixel one side and partly inlays and locate in the encapsulation layer, a plurality of sub-pixels include peep-proof sub-pixel, peep-proof part and peep-proof sub-pixel are just to setting along first direction, peep-proof part is used for adjusting the light that peep-proof sub-pixel was emergent, in order to control the light that peep-proof sub-pixel was emergent and adjacent sub-pixel emergent light to coincide in the direction of predetermineeing, make the visibility in adjacent sub-pixel in predetermineeing the direction reduce, thereby strengthen peep-proof effect.

Description

Display panel and display device

Technical Field

The application relates to the technical field of display, in particular to a display panel and a display device.

Background

An OLED (organic light-Emitting Diode) display panel has the advantages of light weight, high brightness, low power consumption, fast response, high definition, wide color gamut, and the like, and is increasingly in the display field. The active light emitting characteristic of the organic light emitting diode enables the OLED display panel to have a wider visual angle, the visual angle can reach 170 degrees generally, but people can enjoy the visual experience brought by a large visual angle, and meanwhile, the visual angle of the display panel is sometimes hoped to be adjustable and small, so that business confidentiality and personal privacy are effectively protected, and business loss or embarrassment caused by screen information leakage is avoided.

The existing peep-proof display panel can only be torn away from the peep-proof film when the peep-proof film is not needed, and the peep-proof function is inconvenient to switch. Therefore, how to implement the peep-proof function only by adjusting the pixel light in the display panel is a problem to be solved.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present application provides a display panel and a display device capable of realizing a peep-proof function by adjusting the direction of light rays of pixels.

The embodiment of the application can disclose a display panel, including a plurality of sub-pixels that set up in the substrate, a plurality of sub-pixels are used for the light of emergent different colours to carry out image display, display panel still includes encapsulation layer and peep-proof portion, the encapsulation layer set up in sub-pixels keep away from substrate one side is used for right sub-pixels seals the setting, peep-proof portion set up in the encapsulation layer keep away from sub-pixels one side and partly inlay and locate in the encapsulation layer, a plurality of sub-pixels include peep-proof sub-pixels, peep-proof portion with peep-proof sub-pixels just set up along first direction, peep-proof portion is used for right the light that peep-proof sub-pixels emergent is adjusted, in order to control the light that peep-proof sub-pixels emergent and adjacent sub-pixels emergent light coincide in the preset direction.

Optionally, the plurality of sub-pixels further includes a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, where one of the first color sub-pixel, one of the second color sub-pixel, and one of the third color sub-pixel form a pixel unit, each of the pixel units is at least provided with one of the peep-preventing sub-pixels, and each of the pixel units is disposed between any two adjacent sub-pixels.

Optionally, the display panel includes a first display mode and a second display mode, and in the first display mode, the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel emit light rays to perform image display, and the peep-proof sub-pixel stops emitting light rays; and in the second display mode, the first color sub-pixel, the second color sub-pixel, the third color sub-pixel and the peep-proof sub-pixel emit light, and the light emitted by the peep-proof sub-pixel is transmitted to the preset direction through the peep-proof part so as to control the light emitted by the peep-proof sub-pixel and the light emitted by the adjacent sub-pixel to coincide in the preset direction.

Optionally, in each pixel unit, the first color sub-pixel, the second color sub-pixel and the third color sub-pixel are sequentially and adjacently arranged, the peep-proof sub-pixel includes a first peep-proof sub-pixel and a second peep-proof sub-pixel, the peep-proof sub-pixel is arranged between the first color sub-pixel and the second color sub-pixel, the first peep-proof sub-pixel is arranged adjacent to the first color sub-pixel, the first peep-proof sub-pixel is the same as the color of the emergent light of the first color sub-pixel, the second peep-proof sub-pixel is arranged adjacent to the second color sub-pixel, and the second peep-proof sub-pixel is the same as the color of the emergent light of the second color sub-pixel; or the peep-proof sub-pixel is arranged between the second color sub-pixel and the third color sub-pixel, the first peep-proof sub-pixel is arranged adjacent to the second color sub-pixel, the color of the emergent light of the first peep-proof sub-pixel is the same as that of the emergent light of the second color sub-pixel, the second peep-proof sub-pixel is arranged adjacent to the third color sub-pixel, and the color of the emergent light of the second peep-proof sub-pixel is the same as that of the emergent light of the third color sub-pixel.

Optionally, the peep-proof part includes shielding layer and reflecting unit, shielding layer set up in the packaging layer is kept away from substrate base plate one side, shielding layer is used for sheltering from the light that peep-proof sub-pixel was emergent, shielding layer along first direction with peep-proof sub-pixel is just right setting up, shielding layer is followed the projection of first direction covers completely peep-proof sub-pixel's play plain noodles, reflecting unit is followed first direction inlays and locates in the packaging layer, the pixel unit still includes the pixel definition layer, the pixel definition layer is followed the second direction and is set up between arbitrary two adjacent sub-pixels for keep apart adjacent setting the sub-pixel, reflecting unit is followed first direction with between first peep-proof sub-pixel and the second peep-proof sub-pixel the pixel definition layer is just right setting up, the second direction is perpendicular to peep-proof sub-pixel is emergent.

Optionally, the reflection unit includes a first reflection layer and a second reflection layer, where the first reflection layer extends along the second direction and is disposed on a side of the light shielding layer adjacent to the substrate, the second reflection layer is disposed on a side of the first reflection layer adjacent to the substrate, and the second reflection layer is disposed along the first direction opposite to the pixel defining layer between the first peep-preventing sub-pixel and the second peep-preventing sub-pixel, and is configured to reflect light emitted by the peep-preventing sub-pixel.

Optionally, the first reflecting layer includes a first sub-reflecting member and a second sub-reflecting member, the first sub-reflecting member and the second sub-reflecting member are symmetrically disposed with the first direction as a symmetry axis, the first sub-reflecting member is disposed along the first direction opposite to the first peep-preventing sub-pixel, the second sub-reflecting member is disposed along the first direction opposite to the second peep-preventing sub-pixel, cross sections of the first sub-reflecting member and the second sub-reflecting member are right triangle, a right angle side of the first sub-reflecting member is disposed adjacent to and parallel to the light shielding layer, and a right angle side of the second sub-reflecting member is disposed adjacent to and parallel to the light shielding layer.

Optionally, the first reflecting layer includes a first sub-reflecting member and a second sub-reflecting member, the first sub-reflecting member and the second sub-reflecting member are symmetrically disposed with the first direction as a symmetry axis, the first sub-reflecting member is disposed opposite to the first peep-preventing sub-pixel along the first direction, the second sub-reflecting member is disposed opposite to the second peep-preventing sub-pixel along the first direction, the cross sections of the first sub-reflecting member and the second sub-reflecting member are right trapezoid, a first bottom edge of the first sub-reflecting member is disposed adjacent to and parallel to the light shielding layer, a second bottom edge of the first sub-reflecting member is disposed adjacent to and parallel to one side of the peep-preventing sub-pixel, a second bottom edge of the second sub-reflecting member is disposed adjacent to one side of the peep-preventing sub-pixel, and a length of the first bottom edge is greater than a length of the second bottom edge.

Optionally, the second reflecting layer includes a plurality of reflectors sequentially arranged along the first direction, and the cross-sectional areas of the plurality of reflectors along the first direction are gradually increased so as to control the range of the second reflecting layer for receiving light to be gradually increased, and meanwhile, the angle range of the second reflecting layer for reflecting light to be gradually increased.

The embodiment of the application also discloses a display device, which comprises a shell and the display panel, wherein the shell is used for bearing the display panel.

Compared with the prior art, in the embodiment of the application, the peep-proof sub-pixel is arranged, and the peep-proof part is arranged along the first direction to be used for adjusting the light emitted by the peep-proof sub-pixel, so that the light emitted by the peep-proof sub-pixel and the light emitted by the adjacent sub-pixel are controlled to coincide in the preset direction, the visibility of the adjacent sub-pixel in the preset direction is reduced, and the peep-proof effect is enhanced.

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 structural diagram of a display device according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of the display panel shown in FIG. 1 along the line A-A according to the first embodiment of the present application;

FIG. 3 is a schematic structural view of a cross section of the display panel shown in FIG. 1 along line A-A according to a second embodiment of the present application;

FIG. 4 is a schematic structural view of a cross section of the display panel shown in FIG. 1 along line A-A according to a third embodiment of the present application;

FIG. 5 is a schematic structural view of a cross section of the display panel shown in FIG. 1 along line A-A according to a fourth embodiment of the present application;

fig. 6 is a schematic structural view of a cross section of the display panel shown in fig. 1 along A-A line according to a fifth embodiment of the present application.

Reference numerals illustrate:

the display device comprises a display device-1, a display panel-10, a shell-20, a substrate base plate-100, a driving circuit layer-110, a pixel unit-120, a first color sub-pixel-121, a second color sub-pixel-122, a third color sub-pixel-123, a peep-proof sub-pixel-124, a first peep-proof sub-pixel-1241, a second peep-proof sub-pixel-1242, a first electrode-125, a second electrode-126, a pixel defining layer-127, an encapsulation layer-130, a peep-proof part-140, a reflecting unit-142, a first reflecting layer-1411, a second reflecting layer-1412, a reflector-A, a shading layer-142, a first sub-reflecting piece-1411 a, a second sub-reflecting piece-1411 a and a parting line-DL.

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. Furthermore, when describing embodiments of the present application, use of "may" means "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to an example or illustration.

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 structural diagram of a display device 1 according to an embodiment of the disclosure.

As shown in fig. 1, the display device 1 includes a display panel 10 and a housing 20, wherein the display device 1 may be, but is not limited to, a device having a display function for a smart phone, a portable phone, a navigation device, a television, a car audio body, a laptop, a tablet, a portable multimedia player, a personal digital assistant, and the like, and it is understood that the functional type of the display device 1 should not be limited to the display device 1 provided in the embodiment of the present application. The display panel 10 may be an organic light emitting diode (Organic Light Emitting Diode, OLED) display panel, and it will be appreciated that in other embodiments of the present application, the display panel 10 may also be other types of display panels, such as a liquid crystal display panel (Liquid Crystal Display, LCD), a quantum dot display panel (Quantum Dots Light Emitting Diode Display, QLED), and the like, which are not limited in this application. The material of the housing 20 may be metal, plastic, composite material, or other materials, etc., which is not limited in this application, and the housing 20 is used for accommodating and carrying the display panel 10.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a cross section of the display panel 10 shown in fig. 1 along A-A line according to a first embodiment of the present application.

As shown in fig. 2, the display panel 10 includes a substrate 100, a driving circuit layer 110, a plurality of pixel units 120 and an encapsulation layer 130 sequentially stacked along a first direction F1, wherein the driving circuit layer 110 is used for driving the pixel units 120 to display images, and the encapsulation layer 130 is used for encapsulating the plurality of pixel units 120, so as to prevent the organic luminescent materials in the pixel units 120 from being disabled due to invasion of water and oxygen. The display panel 10 further includes a peep-proof portion 140, where the peep-proof portion 140 is stacked on a side of the encapsulation layer 130 away from the substrate 100 and partially embedded in the encapsulation layer 130, so as to adjust a direction of light emitted from the pixel unit 120 at a preset time.

Each pixel unit 120 includes a first color sub-pixel 121, a second color sub-pixel 122, and a third color sub-pixel 123, where the first color sub-pixel 121, the second color sub-pixel 122, and the third color sub-pixel 123 are sequentially disposed adjacent to each other along a second direction F2, the first color sub-pixel 121, the second color sub-pixel 122, and the third color sub-pixel 123 are configured to emit light of different colors to perform image display, the pixel unit 120 further includes a first electrode 125, a second electrode 126, and a pixel defining layer 127, where the first electrode 125 and the second electrode 126 are disposed opposite to each other along the first direction F1, the first electrode 125 and the second electrode 126 cooperate to provide a driving voltage for the sub-pixel, and the pixel defining layer 127 is disposed between any two adjacent sub-pixels to isolate the adjacent sub-pixels.

In this embodiment, the material of the first electrode 125 may be a conductive metal oxide, such as Indium Tin Oxide (ITO), and the material of the second electrode 126 may be a metal material, such as aluminum, gold, silver, magnesium-silver alloy, and the like, and the material of the pixel defining layer 127 may be an organic polyimide, or may be an inorganic SiNx, siOx, siOxNx, or the like, and the materials of the first electrode 125, the second electrode 126, and the pixel defining layer 127 may be other materials.

Specifically, the pixel unit 120 further includes at least one peep-proof sub-pixel 124, where the peep-proof sub-pixel 124 is disposed between any two adjacent sub-pixels, for example, between the first color sub-pixel 121 and the second color sub-pixel 122 or between the second color sub-pixel 122 and the third color sub-pixel 123. The peep-proof sub-pixel 124 is configured to emit light at a preset time, and overlap with light of an adjacent sub-pixel in a preset direction, so that visibility of the adjacent sub-pixel in the preset direction is reduced, thereby realizing the peep-proof effect. The preset direction is a direction of an included angle between the first direction F1 and the second direction F2.

The peep-proof sub-pixel 124 includes a first peep-proof sub-pixel 1241 and a second peep-proof sub-pixel 1242, a pixel defining layer 127 is spaced between the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242, and a pixel defining layer 127 is spaced between the first peep-proof sub-pixel 1241 and the first color sub-pixel 121 and between the second peep-proof sub-pixel 1242 and the second color sub-pixel 122. The first peep-proof sub-pixel 1241 and the first color sub-pixel 121 emit light beams of the same color, and the second peep-proof sub-pixel 1242 and the second color sub-pixel 122 emit light beams of the same color.

The peep-proof part 140 is stacked on the side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130. The peep-proof part 140 specifically includes a reflecting unit 141 and a light shielding layer 142.

The light shielding layer 142 is disposed on a side of the encapsulation layer 130 away from the substrate 100, and the light shielding layer 142 is disposed opposite to the peep-preventing sub-pixel 124 along the first direction F1, wherein a projection of the light shielding layer 142 along the first direction F1 completely covers the light emitting surface of the peep-preventing sub-pixel 124, in other words, a length of the light shielding layer 142 projected on the substrate 100 along the first direction F1 in the second direction F2 is greater than or equal to a distance between the pixel defining layers 127 on two adjacent sides of the peep-preventing sub-pixel 124. The light shielding layer 142 is used for shielding part of the light emitted from the peep-proof sub-pixel 124.

The reflecting unit 141 is disposed on a side of the light shielding layer 142 adjacent to the substrate 100 along the first direction F1, and embedded in the encapsulation layer 130, and the reflecting unit 141 is configured to reflect a portion of the light emitted from the peep-preventing sub-pixel 124. And the heat conductivity coefficient of the reflecting unit 141 is smaller than a preset threshold value, so as to absorb heat of the light shielding layer 142 and the adjacent layer structure, thereby achieving the effect of cooling.

In this embodiment, the material of the light shielding layer 142 may be chromium, chromium oxide, black resin, etc., the material of the reflecting unit 141 may be porous silicon material, which has good reflection characteristics, and the porous structure makes the porous silicon material have a low thermal conductivity, that is, the porous silicon material has good cooling characteristics, and of course, the light shielding layer 142 and the reflecting unit 141 may be further set to other materials according to specific needs.

When the ambient light irradiates the light shielding layer 142, the temperature of the light shielding layer 142 gradually increases, the light shielding layer 142 transfers heat to the reflecting unit 141, and the reflecting unit 141 has a low heat conductivity coefficient, so that the heat of the light shielding layer 142 can be prevented from being transferred to an adjacent film structure, the effect of cooling is achieved, and the problems of increased power consumption, poor display effect and the like of the display panel 10 due to the increase of the temperature are further avoided. Similarly, when the peep-proof sub-pixel 124 emits light to the reflecting unit 141, heat is transferred to the reflecting unit 141, and the reflecting unit 141 can absorb heat and inhibit heat from being transferred continuously, so as to achieve the effect of cooling.

Specifically, the reflective unit 141 includes a first reflective layer 1411 and a second reflective layer 1412, where the first reflective layer 1411 extends along the second direction F2 and is disposed on a side of the light shielding layer 142 adjacent to the substrate 100, the cross-sectional shape of the first reflective layer 1411 is rectangular, and the first reflective layer 1411 is disposed opposite to the peep-preventing sub-pixel 124 along the first direction F1, and a length of the first reflective layer 1411 along the second direction F2 is less than or equal to a length of the light shielding layer 142 along the second direction F2.

The second reflective layer 1412 extends along the first direction F1 and is disposed on a side of the first reflective layer 1411 adjacent to the substrate 100, the second reflective layer 1412 is disposed along the first direction F1 opposite to the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242, the second reflective layer 1412 includes a plurality of reflectors a sequentially disposed along the first direction F1, the cross section of the reflectors a is diamond, and the cross sectional areas of the reflectors a along the first direction F1 are gradually increased, so that the second reflective layer 1412 can reflect light received at different angles to a preset direction, and further can strengthen the light intensity of the peep-preventing sub-pixel 124 in the preset direction.

In an exemplary embodiment, the number of reflectors a in the second reflective layer 1412 may be 5, the cross-sectional area of the 5 reflectors a in the first direction F1 is gradually increased, the range of the largest cross-sectional area of the reflectors a, that is, the fifth reflector a, receives light rays is larger than the first to fourth reflectors a, and the angle of the light rays reflected by the fifth reflector a is larger, that is, the range of the light rays reflected by the fifth reflector a is wider, so the number of the reflectors a in the second reflective layer 1412 may be adjusted, the range of the light rays received by the second reflective layer 1412 may be adjusted, and the range of the angles of the light rays reflected by the second reflective layer 1412 may be adjusted, however, the number of the reflectors a may be also set according to specific needs.

In an exemplary embodiment, the length of the second reflective layer 1412 along the first direction F1 is smaller than or equal to the length of the encapsulation layer 130 along the first direction F1, that is, the second reflective layer 1412 may be connected to the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242 along the first direction F1, or may be disposed at a preset distance from the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242 along the first direction F1, which is not limited in this application.

By the arrangement of the first reflecting layer 1411 and the second reflecting layer 1412, the light rays emitted by the peep-proof sub-pixel 124 in the outside of the preset direction are transmitted to the preset direction through the first reflecting layer 1411 and/or the second reflecting layer 1412, so that the intensity of the light rays of the peep-proof sub-pixel 124 in the preset direction is enhanced, the light mixing degree of the light rays emitted by the peep-proof sub-pixel 124 and the adjacent sub-pixels in the preset direction is enhanced, and the peep-proof effect is enhanced.

The display panel 10 includes a first display mode and a second display mode when performing image display, and in the first display mode, the first color sub-pixel 121, the second color sub-pixel 122, and the third color sub-pixel 123 emit light to perform image display.

In the second display mode, the first color sub-pixel 121, the second color sub-pixel 122, the third color sub-pixel and the peep-proof sub-pixel 124 emit light, the light shielding layer 142 shields the light of the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242 along the first direction F1, the image of the display panel 10 under the main viewing angle can be clearly displayed, and the light of the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242 along the preset direction coincides with the light of the adjacent sub-pixel along the preset direction. For example, when the first peep-preventing sub-pixel 1241 is disposed adjacent to the first color sub-pixel 121, the light emitted by the first peep-preventing sub-pixel along the preset direction coincides with the light emitted by the first color sub-pixel 121 along the preset direction, that is, the light of the first color sub-pixel 121 and the light of the first peep-preventing sub-pixel 1241 along the preset direction mix, so that the visibility of the display panel 10 along the preset direction is reduced, that is, the visibility of the area outside the main viewing angle of the display panel 10 is reduced, thereby playing a peep-preventing role, wherein the main viewing angle is the viewing angle direction of the user looking at the display panel along the first direction F1.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a cross section of the display panel 10 shown in fig. 1 along A-A line according to a second embodiment of the present application.

As shown in fig. 3, the display panel 10 includes a substrate 100, a driving circuit layer 110, a plurality of pixel units 120, and a package layer 130, which are sequentially stacked in a first direction F1. The display panel 10 further includes a peep-proof portion 140, where the peep-proof portion 140 is stacked on a side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130.

Each pixel unit 120 includes a first color sub-pixel 121, a second color sub-pixel 122, and a third color sub-pixel 123, where the first color sub-pixel 121, the second color sub-pixel 122, and the third color sub-pixel 123 are sequentially arranged at intervals along a second direction F2, the first color sub-pixel 121, the second color sub-pixel 122, and the third color sub-pixel 123 are configured to emit light rays of different colors to perform image display, the pixel unit 120 further includes a first electrode 125, a second electrode 126, and a pixel defining layer 127, where the first electrode 125 and the second electrode 126 are disposed on two opposite sides of the sub-pixel along the first direction F1, the first electrode 125 and the second electrode 126 cooperate to provide a driving voltage for the sub-pixel, and the pixel defining layer 127 is disposed between any two adjacent sub-pixels to isolate the adjacent sub-pixels.

The peep-proof sub-pixel 124 includes a first peep-proof sub-pixel 1241 and a second peep-proof sub-pixel 1242, a pixel defining layer 127 is spaced between the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242, and a pixel defining layer 127 is spaced between the first peep-proof sub-pixel 1241 and the first color sub-pixel 121 and between the second peep-proof sub-pixel 1242 and the second color sub-pixel 122.

The present embodiment is different from the first embodiment in the structure of the peep-proof section 140. The peep-proof part 140 is stacked on the side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130. The peep-proof part 140 specifically includes a reflecting unit 141 and a light shielding layer 142.

The second reflective layer 1412 extends along the first direction F1 and is disposed on a side of the first reflective layer 1411 adjacent to the substrate 100, the second reflective layer 1412 is disposed opposite to the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242 along the first direction F1, the second reflective layer 1412 includes a plurality of reflectors a sequentially disposed along the first direction F1, the cross section of the reflector a is trapezoidal, and the cross sectional areas of the plurality of reflectors a gradually increase along the first direction F1. By disposing the plurality of reflectors a with different sizes on the second reflective layer 1412, the second reflective layer 1412 can reflect the light received at different angles to a preset direction, so as to enhance the light intensity of the peep-proof sub-pixel 124 in the preset direction.

In the second display mode, the first color sub-pixel 121, the second color sub-pixel 122, the third color sub-pixel and the peep-proof sub-pixel 124 emit light, the light shielding layer 142 shields the light of the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242 along the first direction F1, the image of the display panel 10 under the main viewing angle can be clearly displayed, and the light of the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242 along the preset direction coincides with the light of the adjacent sub-pixel along the preset direction. For example, when the first peep-preventing sub-pixel 1241 is disposed adjacent to the first color sub-pixel 121, the light emitted by the first peep-preventing sub-pixel along the preset direction coincides with the light emitted by the first color sub-pixel 121 along the preset direction, that is, the light of the first color sub-pixel 121 and the light of the first peep-preventing sub-pixel 1241 along the preset direction mix, so that the visibility of the display panel 10 along the preset direction is reduced, that is, the visibility of the area outside the main viewing angle of the display panel 10 is reduced, thereby playing a peep-preventing role, wherein the main viewing angle is the viewing angle direction of the user looking at the display panel.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a cross section of the display panel 10 shown in fig. 1 along A-A line according to a third embodiment of the present application.

As shown in fig. 4, the display panel 10 includes a substrate 100, a driving circuit layer 110, a plurality of pixel units 120, and a package layer 130, which are sequentially stacked in a first direction F1. The display panel 10 further includes a peep-proof portion 140, where the peep-proof portion 140 is stacked on a side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130.

Specifically, the pixel unit 120 further includes at least one peep-proof sub-pixel 124, where the peep-proof sub-pixel 124 is disposed between any two adjacent sub-pixels, for example, between the first color sub-pixel 121 and the second color sub-pixel 122 or between the second color sub-pixel 122 and the third color sub-pixel 123, and the peep-proof sub-pixel 124 is configured to emit light at a preset time and overlap with the light of the adjacent sub-pixel in the preset direction, so that the visibility of the adjacent sub-pixel in the preset direction is reduced, thereby realizing the peep-proof effect. The preset direction is a direction of an included angle between the first direction F1 and the second direction F2.

Specifically, the reflective unit 141 includes a first reflective layer 1411 and a second reflective layer 1412, where the first reflective layer 1411 extends along the second direction F2 and is disposed on a side of the light shielding layer 142 adjacent to the substrate 100, and the first reflective layer 1411 is disposed opposite to the peep-proof sub-pixel 124 along the first direction F1, and a length of the first reflective layer 1411 along the second direction F2 is less than or equal to a length of the light shielding layer 142 along the second direction F2.

The first reflecting layer 1411 includes a first sub-reflecting element 1411a and a second sub-reflecting element 1411b, the first sub-reflecting element 1411a and the second sub-reflecting element 1411b are symmetrically disposed with respect to the first direction F1, the first sub-reflecting element 1411a is disposed opposite to the first peep-preventing sub-pixel 1241 along the first direction F1, and the second sub-reflecting element 1411b is disposed opposite to the second peep-preventing sub-pixel 1242 along the first direction F1. The cross-section of the first sub-reflecting element 1411a and the second sub-reflecting element 1411b is a right triangle, a right-angle side of the first sub-reflecting element 1411a is adjacent to and parallel to the light shielding layer 142, an included angle α between the right-angle side and the oblique side is less than or equal to 45 degrees, a right-angle side of the second sub-reflecting element 1411b is adjacent to and parallel to the light shielding layer 142, and an included angle α between the right-angle side and the oblique side is less than or equal to 45 degrees, and by setting the cross-section of the first reflecting layer 1411 to be two right triangles, the first reflecting layer 1411 can reflect the light received from the peep-proof sub-pixel 124 to the second reflecting layer 1412 more intensively. Of course, the included angle α between the right-angle side and the oblique side can be set to other degrees according to specific needs, which is not limited in this application.

The second reflective layer 1412 extends along the first direction F1 and is disposed on a side of the first reflective layer 1411 adjacent to the substrate 100, the second reflective layer 1412 is disposed opposite to the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242 along the first direction F1, the second reflective layer 1412 includes a plurality of reflectors a sequentially disposed along the first direction F1, and the cross section of the reflectors a may be diamond, or may be trapezoid, or other quadrangles or other polygons, where the cross section area of the plurality of reflectors a increases gradually along the first direction F1. By disposing the plurality of reflectors a with different sizes on the second reflective layer 1412, the second reflective layer 1412 can reflect the light received at different angles to a preset direction, so as to enhance the light intensity of the peep-proof sub-pixel 124 in the preset direction.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a cross section of the display panel 10 shown in fig. 1 along A-A line according to a fourth embodiment of the present application.

As shown in fig. 5, the display panel 10 includes a substrate 100, a driving circuit layer 110, a plurality of pixel units 120, and a package layer 130, which are sequentially stacked in a first direction F1. The display panel 10 further includes a peep-proof portion 140, where the peep-proof portion 140 is stacked on a side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130.

The first reflecting layer 1411 includes a first sub-reflecting element 1411a and a second sub-reflecting element 1411b, the first sub-reflecting element 1411a and the second sub-reflecting element 1411b are symmetrically disposed with respect to the first direction F1, the first sub-reflecting element 1411a is disposed opposite to the first peep-preventing sub-pixel 1241 along the first direction F1, and the second sub-reflecting element 1411b is disposed opposite to the second peep-preventing sub-pixel 1242 along the first direction F1. The cross section of the first sub-reflecting element 1411a and the second sub-reflecting element 1411b is in a right trapezoid shape, the first bottom edge of the first sub-reflecting element 1411a is adjacent to and parallel to the shading layer 142, the second bottom edge is adjacent to the first peep-preventing sub-pixel 1241, the included angle α between the first bottom edge and the sloping edge is smaller than or equal to 45 degrees, the first bottom edge of the second sub-reflecting element 1411b is adjacent to and parallel to the shading layer 142, the length of the first bottom edge is larger than the length of the second bottom edge, the included angle α between the first bottom edge and the sloping edge is smaller than or equal to 45 degrees, and by setting the cross section of the first reflecting layer 1411 as two right trapezoids, the first reflecting layer 1411 can reflect the light received from the peep-preventing sub-pixel 124 to the second reflecting layer 1412 more intensively, in particular, the first sub-reflecting element 1411a and the second sub-reflecting element 1411b can reflect the light received from the peep-preventing sub-pixel 124 to the second reflecting layer 1411a more intensively to the second reflecting layer 1412, and the light from the side of the shading layer 1411a more adjacent to the second reflecting layer 124 can receive the light from the first reflecting element 1411a more to the side of the second reflecting element.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a cross section of the display panel 10 shown in fig. 1 along A-A line according to a fifth embodiment of the present application.

As shown in fig. 6, the display panel 10 includes a substrate 100, a driving circuit layer 110, a plurality of pixel units 120, and a package layer 130, which are sequentially stacked in the first direction F1. The display panel 10 further includes a peep-proof portion 140, where the peep-proof portion 140 is stacked on a side of the encapsulation layer 130 away from the substrate 100 and is partially embedded in the encapsulation layer 130.

Specifically, the reflective unit 141 includes a first reflective layer 1411 and a second reflective layer 1412, the first reflective layer 1411 extends along the second direction F2 and is disposed on a side of the light shielding layer 142 adjacent to the substrate 100, a dividing line DL along the first direction F1 is disposed between the first peep-proof sub-pixel 1241 and the second peep-proof sub-pixel 1242, the cross-section of the first reflective layer 1411 is rectangular, or may be a right triangle or a right trapezoid, and is disposed on a side of the dividing line DL adjacent to the first peep-proof sub-pixel 1241 or adjacent to the second peep-proof sub-pixel 1242, and the first reflective layer 1411 is disposed opposite to the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 along the first direction F1.

The second reflective layer 1412 extends along the first direction F1 and is disposed on a side of the first reflective layer 1411 adjacent to the substrate 100, the second reflective layer 1412 is disposed opposite to the pixel defining layer 127 between the first peep-preventing sub-pixel 1241 and the second peep-preventing sub-pixel 1242 along the first direction F1, the second reflective layer 1412 includes a plurality of reflectors a sequentially disposed along the first direction F1, and a cross-sectional area of the plurality of reflectors a increases gradually along the first direction F1. The cross section of the reflector A is triangular, and can also be in other quadrangles such as trapezoids or other polygons. The second reflective layer 1412 is disposed along the first direction F1 on a side of the dividing line DL adjacent to the first peep-preventing sub-pixel 1241 or on a side of the dividing line DL adjacent to the second peep-preventing sub-pixel 1242, wherein the first reflective layer 1411 and the second reflective layer 1412 are disposed on the same side of the dividing line DL. For example, when the first reflective layer 1411 is disposed on a side of the dividing line DL adjacent to the first peep-preventing sub-pixel 1241, that is, when the first reflective layer 1411 is disposed opposite to the first peep-preventing sub-pixel 1241, the second reflective layer 1412 is also disposed on the dividing line DL adjacent to the first peep-preventing sub-pixel 1241, the first reflective layer 1411 and the second reflective layer 1412 cooperate to reflect light emitted from the first peep-preventing sub-pixel 1241, and when the first reflective layer 1411 is disposed on a side of the dividing line DL adjacent to the second peep-preventing sub-pixel 1242, that is, when the first reflective layer 1411 is disposed opposite to the second peep-preventing sub-pixel 1242, the second reflective layer 1412 is also disposed on the dividing line DL adjacent to the second peep-preventing sub-pixel 1242, and the first reflective layer 1411 and the second reflective layer 1412 cooperate to reflect light emitted from the second peep-preventing sub-pixel 1242.

By setting the second reflective layer 1412 as a plurality of reflectors a with different sizes, the second reflective layer 1412 can reflect the light received at different angles to a preset direction, so as to enhance the light intensity of the peep-proof sub-pixel 124 in the preset direction.

Through the arrangement of the first reflecting layer 1411 and the second reflecting layer 1412, the light rays emitted by the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 outside the preset direction are transmitted to the preset direction through the first reflecting layer 1411 and/or the second reflecting layer 1412, so that the intensity of the light rays of the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 in the preset direction is enhanced, and the light mixing degree of the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 and the adjacent sub-pixels in the preset direction is enhanced, and the peep-proof effect is enhanced.

In the second display mode, the first color sub-pixel 121, the second color sub-pixel 122, the third color sub-pixel, the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 emit light, the light shielding layer 142 shields the light of the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 along the first direction F1, and the image of the display panel 10 under the main viewing angle can be clearly displayed, where the light of the first peep-proof sub-pixel 1241 or the second peep-proof sub-pixel 1242 along the preset direction coincides with the light of the adjacent sub-pixel along the preset direction. For example, when the first peep-preventing sub-pixel 1241 is disposed adjacent to the first color sub-pixel 121, the light emitted by the first peep-preventing sub-pixel along the preset direction coincides with the light emitted by the first color sub-pixel 121 along the preset direction, that is, the light of the first color sub-pixel 121 and the light of the first peep-preventing sub-pixel 1241 along the preset direction mix, so that the visibility of the display panel 10 along the preset direction is reduced, that is, the visibility of the area outside the main viewing angle of the display panel 10 is reduced, thereby playing a peep-preventing role, wherein the main viewing angle is the viewing angle direction of the user looking at the display panel.

It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a display panel, includes a plurality of sub-pixels that set up in the substrate, a plurality of sub-pixels are used for the light of emergent different colours in order to carry out image display, its characterized in that, display panel still includes encapsulation layer and peep-proof portion, the encapsulation layer set up in sub-pixel is kept away from substrate one side for to sub-pixel seals the setting, peep-proof portion set up in encapsulation layer keep away from sub-pixel one side and partly inlay locate in the encapsulation layer, a plurality of sub-pixels include peep-proof sub-pixel, peep-proof portion with peep-proof sub-pixel is just to setting up along first direction, peep-proof portion is used for right the light that peep-proof sub-pixel was emergent is adjusted, in order to control the light that peep-proof sub-pixel was emergent coincides with the light that adjacent sub-pixel in the preset direction.

2. The display panel of claim 1, wherein the plurality of sub-pixels further comprises a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, wherein one of the first color sub-pixel, one of the second color sub-pixel, and one of the third color sub-pixel form a pixel unit, each of the pixel units is provided with at least one of the peep-preventing sub-pixels, and each of the pixel units is provided between any two adjacent sub-pixels.

3. The display panel of claim 2, wherein the display panel comprises a first display mode and a second display mode,

in the first display mode, the first color sub-pixel, the second color sub-pixel and the third color sub-pixel emit light rays to execute image display, and the peep-proof sub-pixel stops emitting light rays;

and in the second display mode, the first color sub-pixel, the second color sub-pixel, the third color sub-pixel and the peep-proof sub-pixel emit light, and the light emitted by the peep-proof sub-pixel is transmitted to the preset direction through the peep-proof part so as to control the light emitted by the peep-proof sub-pixel and the light emitted by the adjacent sub-pixel to coincide in the preset direction.

4. The display panel according to claim 3, wherein in each pixel unit, the first color sub-pixel, the second color sub-pixel and the third color sub-pixel are sequentially disposed adjacent to each other, the peep-proof sub-pixel includes a first peep-proof sub-pixel and a second peep-proof sub-pixel, the peep-proof sub-pixel is disposed between the first color sub-pixel and the second color sub-pixel, the first peep-proof sub-pixel is disposed adjacent to the first color sub-pixel, the first peep-proof sub-pixel is the same as the color of the first color sub-pixel, the second peep-proof sub-pixel is disposed adjacent to the second color sub-pixel, and the second peep-proof sub-pixel is the same as the color of the second color sub-pixel;

Or the peep-proof sub-pixel is arranged between the second color sub-pixel and the third color sub-pixel, the first peep-proof sub-pixel is arranged adjacent to the second color sub-pixel, the color of the emergent light of the first peep-proof sub-pixel is the same as that of the emergent light of the second color sub-pixel, the second peep-proof sub-pixel is arranged adjacent to the third color sub-pixel, and the color of the emergent light of the second peep-proof sub-pixel is the same as that of the emergent light of the third color sub-pixel.

5. The display panel according to claim 4, wherein the peep-proof portion includes a light shielding layer and a reflection unit, the light shielding layer is disposed on one side of the encapsulation layer away from the substrate, the light shielding layer is used for shielding light rays emitted from the peep-proof sub-pixels, the light shielding layer is disposed opposite to the peep-proof sub-pixels along a first direction, the projection of the light shielding layer along the first direction completely covers the light emitting surface of the peep-proof sub-pixels, the reflection unit is embedded in the encapsulation layer along the first direction, the pixel unit further includes a pixel definition layer disposed between any two adjacent sub-pixels along a second direction for isolating the sub-pixels disposed adjacently, and the reflection unit is disposed opposite to the pixel definition layer between the first direction and the first peep-proof sub-pixels for reflecting light rays emitted from the peep-proof sub-pixels, and the second direction is perpendicular to the first direction.

6. The display panel according to claim 5, wherein the reflection unit includes a first reflection layer and a second reflection layer, the first reflection layer extends along the second direction and is disposed on a side of the light shielding layer adjacent to the substrate, the second reflection layer extends along the first direction and is disposed on a side of the first reflection layer adjacent to the substrate, and the second reflection layer is disposed opposite to the pixel defining layer between the first peep-preventing sub-pixel and the second peep-preventing sub-pixel along the first direction, for reflecting light emitted from the peep-preventing sub-pixel.

7. The display panel according to claim 6, wherein the first reflecting layer includes a first sub-reflecting member and a second sub-reflecting member, the first sub-reflecting member and the second sub-reflecting member are disposed symmetrically with respect to the first direction as a symmetry axis, the first sub-reflecting member is disposed opposite to the first peep-preventing sub-pixel along the first direction, the second sub-reflecting member is disposed opposite to the second peep-preventing sub-pixel along the first direction, cross sections of the first sub-reflecting member and the second sub-reflecting member are right-angled triangles, a right-angled side of the first sub-reflecting member is disposed adjacent to and parallel to the light shielding layer, and a right-angled side of the second sub-reflecting member is disposed adjacent to and parallel to the light shielding layer.

8. The display panel of claim 6, wherein the first reflective layer includes a first sub-reflective element and a second sub-reflective element, the first sub-reflective element and the second sub-reflective element are symmetrically disposed about the first direction, the first sub-reflective element is disposed opposite the first peep-preventing sub-pixel along the first direction, the second sub-reflective element is disposed opposite the second peep-preventing sub-pixel along the first direction, the cross-sections of the first sub-reflective element and the second sub-reflective element are right trapezoid, a first bottom edge of the first sub-reflective element is disposed adjacent and parallel to the light shielding layer, a second bottom edge of the second sub-reflective element is disposed adjacent to the second peep-preventing sub-pixel, and a length of the first bottom edge is greater than a length of the second bottom edge.

9. The display panel according to claim 8, wherein the second reflective layer includes a plurality of reflectors arranged in sequence along the first direction, and a cross-sectional area of the plurality of reflectors increases gradually along the first direction to control a range of light received by the second reflective layer to increase gradually while an angular range of light reflected by the second reflective layer increases gradually.

10. A display device comprising a housing and a display panel according to any one of claims 1 to 9, the housing being arranged to carry the display panel.