Display panel and display device
By dividing it into the main body part and the grille part in the light-shielding layer of the display panel, partial light in the anti-peeping sub-pixel is blocked, forming a semi-peeping area, which solves the problem of not being able to see the screen clearly at the anti-peeping angle, making it convenient for users to operate.
Patent Information
- Application Number
- CN202211699698.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-28
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2042-12-28
AI Technical Summary
The existing anti-peep display panel cannot see the screen clearly at the anti-peeping angle, which is inconvenient for users to operate.
By dividing it into the main body part and the grille part in the light-shielding layer of the display panel, the grille part has a light-shielding area and a hollow area to block part of the light of the anti-peep sub-pixel, and form a semi-pervieping area.
It solves the problem of not being able to see the screen clearly at the anti-peeping angle, making it convenient for users to switch and anti-peeping operations in the semi-peeping area.
Smart Images

Figure CN115884617B_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of display, and specifically relates to a display panel and a display device. Background Art
[0002] OLED (Organic Light-Emitting Diode) display panels have the advantages of being light, thin, bendable, high brightness, low power consumption, fast response, high clarity, and a wide color gamut. They are being increasingly used in electronic devices such as televisions, mobile phones, and notebooks.
[0003] The active light-emitting characteristics of organic light-emitting diodes give OLED display panels a wider viewing angle, which can generally reach 170 degrees. The display panel has a wider viewing angle, which can bring users a better visual experience, but sometimes users also hope that the viewing angle of the display panel can be adjusted to a smaller value, so as to effectively protect business secrets and personal privacy, and avoid business losses or embarrassment caused by the leakage of screen information.
[0004] Existing anti-peeping display panels are protected by anti-peeping films. When the anti-peeping function is not needed, the anti-peeping film can only be torn off, and the anti-peeping function is inconvenient to turn on and off. In order to solve the problem of the inconvenience of turning on and off the anti-peeping function, some display panels are provided with anti-peeping pixels and shielding structures. After the anti-peeping pixels are turned on, when viewed from a small viewing angle, the light of the anti-peeping pixels is blocked by the shielding structure, and the display panel can display normally. When viewed from a large viewing angle, the light from the anti-peeping pixels passes around the shielding structure to interfere with the light of the display pixels, thereby achieving anti-peeping at a large viewing angle. For some display panels with small anti-peeping angles, the user cannot see the screen at all after the viewing angle changes, which is inconvenient for the user to turn on and off the anti-peeping function. Summary of the invention
[0005] The purpose of the present application is to provide a display panel and a display device to solve the problem that the screen cannot be seen clearly under an anti-peeping viewing angle, which is inconvenient for users to operate.
[0006] In order to achieve the above object, the present application provides a display panel, including a base substrate and a driving circuit layer formed on one side of the base substrate, and the display panel also includes:
[0007] An anode layer, formed on a side of the driving circuit layer away from the base substrate, the anode layer comprising a plurality of anodes;
[0008] A light-emitting layer is formed on a side of the anode layer away from the base substrate, the light-emitting layer includes a plurality of pixel units, the pixel units include a plurality of display sub-pixels and at least one anti-peeping sub-pixel, each of the display sub-pixels and each of the anti-peeping sub-pixels is connected to one of the anodes;
[0009] A cathode layer is formed on a side of the light emitting layer away from the base substrate;
[0010] A light-shielding layer is formed on a side of the cathode layer away from the base substrate, the light-shielding layer includes a plurality of light-shielding units, the orthographic projections of the anti-peeping sub-pixels on the base substrate are located one-to-one within the orthographic projections of the light-shielding units on the base substrate, the light-shielding units include a main body and a grille portion, the grille portion has a light-shielding area and a hollow area, the grille portion is located on a side of the main body close to the base substrate and extends away from the main body, and the grille portion is at least located on one side of the main body in the row direction or the column direction.
[0011] Optionally, the grille portion is located on both sides of the main body portion in the row direction.
[0012] Optionally, the grille portion is arranged around the edge of the main body portion.
[0013] Optionally, an orthographic projection of the grille portion on the base substrate is located outside an orthographic projection of the anti-peeping sub-pixel on the base substrate.
[0014] Optionally, the display panel further includes a color resist layer, the color resist layer includes a plurality of color resists, the orthographic projection of the display sub-pixel on the color resist layer is located within the color resist, and the light shielding layer includes a black matrix, and the black matrix is located around the color resist;
[0015] The grid portion and the main body portion are integrally connected, and the light shielding unit is arranged in the same layer as the black matrix.
[0016] Optionally, the display panel further includes an encapsulation layer, wherein the encapsulation layer is located between the cathode layer and the light shielding layer, the encapsulation layer includes a first inorganic encapsulation layer, and the grid portion is located in the first inorganic encapsulation layer.
[0017] Optionally, the encapsulation layer further includes an organic encapsulation layer and a second inorganic encapsulation layer, the organic encapsulation layer is located on a side of the first inorganic encapsulation layer close to the base substrate, the second inorganic encapsulation layer is located between the organic encapsulation layer and the cathode layer, and the grid portion is located in the first inorganic encapsulation layer and the organic encapsulation layer.
[0018] Optionally, the display panel also includes an encapsulation layer, which is located between the cathode layer and the light-shielding layer. The encapsulation layer includes a second inorganic encapsulation layer, an organic encapsulation layer and a first inorganic encapsulation layer formed in sequence, and the light-shielding layer is formed between the organic encapsulation layer and the first inorganic encapsulation layer. The grille portion and the main body portion are integrally connected, and at least the grille portion is located in the organic encapsulation layer.
[0019] Optionally, the main body and the grid are both located in the organic encapsulation layer, and a side of the main body away from the base substrate is flush with a side of the organic encapsulation layer away from the base substrate.
[0020] The present application also provides a display device, comprising:
[0021] Display panel;
[0022] A main board is connected to the display panel.
[0023] The display panel and display device disclosed in this application have the following beneficial effects:
[0024] In the present application, the display panel includes a base substrate, a driving circuit layer, an anode layer, a pixel definition layer, a light-emitting layer, a cathode layer and a light-shielding layer, which are formed in sequence. The light-emitting layer includes a plurality of pixel units, and the pixel unit includes a plurality of display sub-pixels and an anti-peeping sub-pixel. Each display sub-pixel and each anti-peeping sub-pixel is connected to an anode. The light-shielding layer includes a plurality of light-shielding units. The orthographic projections of the anti-peeping sub-pixels on the base substrate are located one-to-one within the orthographic projections of the light-shielding units on the base substrate. The light-shielding units include a main body and a grille. The grille has a light-shielding area and a hollow area. The grille is located on the side of the main body close to the base substrate and extends away from the main body. The grille is located at least on one side of the main body in the row direction or the column direction. The present application divides the light-shielding unit into a main body and a grille. The grille blocks part of the light of the anti-peeping sub-pixels to form a semi-anti-peeping area, thereby solving the problem that the screen cannot be seen clearly at all under the anti-peeping viewing angle, which is inconvenient for users to operate.
[0025] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.
[0026] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0028] Figure 1 It is a schematic diagram of the structure of the display panel in the first embodiment of the present application.
[0029] Figure 2 It is a structural schematic diagram of a pixel unit in the first embodiment of the present application.
[0030] Figure 3 It is a schematic diagram of the anti-peeping principle of the display panel in the first embodiment of the present application.
[0031] Figure 4 It is a schematic diagram of the structure of the display panel in the second embodiment of the present application.
[0032] Figure 5 It is a schematic diagram of the structure of the display device in the third embodiment of the present application.
[0033] Description of reference numerals:
[0034] 100, base substrate; 200, driving circuit layer;
[0035] 310, anode layer; 311, anode; 320, pixel definition layer; 330, light emitting layer; 331, display sub-pixel; 332, anti-peep sub-pixel; 340, cathode layer; 350, encapsulation layer; 351, first inorganic encapsulation layer; 352, organic encapsulation layer; 353, second inorganic encapsulation layer; 360, light shielding layer; 361, light shielding unit; 3611, main body; 3612, grid part; 370, color resistance layer; 380, anti-reflection layer;
[0036] 10. Display panel; 20. Main board. DETAILED DESCRIPTION
[0037] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more comprehensive and complete and fully convey the concept of the example embodiments to those skilled in the art.
[0038] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.
[0039] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.
[0040] Embodiment 1
[0041] See also Figure 1 and Figure 2 As shown, in this embodiment, the display panel includes a base substrate 100, a driving circuit layer 200, an anode layer 310, a pixel definition layer 320, a light emitting layer 330, a cathode layer 340 and a light shielding layer 360. The driving circuit layer 200 is formed on one side of the base substrate 100, and the base substrate 100 includes a glass substrate or a polyimide (Pi) substrate. The anode layer 310 is formed on the side of the driving circuit layer 200 away from the base substrate 100, and the anode layer 310 includes a plurality of anodes 311. The pixel definition layer 320 is formed on the side of the anode layer 310 away from the base substrate 100, and the pixel definition layer 320 includes a display pixel area and an anti-peep pixel area.
[0042] The light-emitting layer 330 is formed on the side of the pixel definition layer 320 away from the base substrate 100. The light-emitting layer 330 includes a plurality of pixel units, and the plurality of pixel units are arrayed in the row direction and the column direction. The pixel unit includes a plurality of display sub-pixels 331 and an anti-peeping sub-pixel 332. Each display sub-pixel 331 is located in the display pixel area, and each anti-peeping sub-pixel 332 is located in the anti-peeping pixel area. Each display sub-pixel 331 and each anti-peeping sub-pixel 332 are connected to an anode 311.
[0043] The cathode layer 340 is formed on the side of the light emitting layer 330 away from the substrate 100, and the light shielding layer 360 is formed on the side of the cathode layer 340 away from the substrate 100. The light shielding layer 360 includes a plurality of light shielding units 361, and the orthographic projections of the anti-peeping sub-pixels 332 on the substrate 100 are located one by one within the orthographic projections of the light shielding units 361 on the substrate 100. The light shielding units 361 include a main body 3611 and a grid portion 3612, and the grid portion 3612 has a light shielding area and a hollow area. The grid portion 3612 is located on the side of the main body 3611 close to the substrate 100 and extends in a direction away from the main body 3611, and the grid portion 3612 is at least located on one side of the main body 3611 in the row direction or the column direction.
[0044] It should be noted that the multiple display sub-pixels 331 may include red display sub-pixels R, green display sub-pixels G, and blue display sub-pixels B, but are not limited thereto. The multiple display sub-pixels 331 may also be white sub-pixels W or sub-pixels of other colors, depending on the specific situation. The anti-peeping sub-pixel 332 may be a white sub-pixel W, but is not limited thereto. The anti-peeping sub-pixel 332 may also be a sub-pixel of other colors, depending on the specific situation. The multiple display sub-pixels 331 and the anti-peeping sub-pixels 332 are both made of organic light-emitting materials.
[0045] See also Figure 2 and Figure 3As shown, the display panel has an anti-peeping mode. When the anti-peeping mode is turned off, the display sub-pixel 331 displays normally, and the anti-peeping sub-pixel 332 is turned off. The display panel can display clearly when viewed straight on or at an angle. When the anti-peeping mode is turned on, the anti-peeping sub-pixel 332 is turned on, and the forward light output of the anti-peeping sub-pixel 332 is blocked by the shading unit 361, and the forward light output of the display sub-pixel 331 is not disturbed. The display panel can display clearly when viewed straight on, that is, the display panel displays normally within the angle a range; the oblique light output of the anti-peeping sub-pixel 332 is not blocked by the shading unit 361, and the oblique light output of the display sub-pixel 331 will be mixed with the oblique light output of the anti-peeping sub-pixel 332. The display panel cannot display clearly when viewed at an angle, that is, when the user's viewing angle exceeds the angle a range, the user cannot see the screen clearly at all, which is inconvenient for the user to turn on or off the anti-peeping operation.
[0046] In this embodiment, the light shielding layer 360 includes a plurality of light shielding units 361, and the orthographic projections of the anti-peeping sub-pixels 332 on the base substrate 100 are located one by one within the orthographic projections of the light shielding units 361 on the base substrate 100. The light shielding unit 361 includes a main body 3611 and a grille 3612, and the grille 3612 has a light shielding area and a hollow area. The grille 3612 can block part of the light of the anti-peeping sub-pixels 332 to form a semi-peeping area. That is, within the light shielding range of the grille 3612, that is, within the angle b range, the display panel can display blurred content, which is convenient for users to turn on and off the anti-peeping operation, and within the range not blocked by the grille 3612, that is, within the angle c range, the user cannot see the screen clearly at all. In this application, by dividing the light shielding unit 361 into a main body 3611 and a grille 3612, the grille 3612 blocks part of the light of the anti-peeping sub-pixels 332 to form a semi-peeping area, thereby solving the problem that the screen cannot be seen clearly at all under the anti-peeping viewing angle, which is inconvenient for users to operate.
[0047] See also Figure 1 and Figure 2 As shown, the grille portion 3612 is located on both sides of the main body portion 3611 in the row direction. The grille portion 3612 includes a plurality of grille bars arranged at intervals, the area where the grille bars are located is a light-shielding area, and the gaps between adjacent grille bars are hollow areas. The cross-sectional shape of the grille bars can be circular, rectangular, pentagonal, etc.
[0048] For products such as televisions, notebooks, and monitors, users may watch the screen diagonally from the left and right sides of the display screen, but rarely watch the screen diagonally from the top and bottom sides of the display screen. Therefore, in this embodiment, the grille portion 3612 is located on both sides of the main body portion 3611 in the row direction, that is, when the display panel is viewed from the left and right directions, a semi-anti-peeping area is formed between the non-anti-peeping area and the anti-peeping area, which solves the problem that the screen cannot be seen clearly at all under the anti-peeping viewing angle, which is inconvenient for users to operate.
[0049] See also Figure 1 and Figure 2As shown, the grille portion 3612 is disposed around the edge of the main body portion 3611 .
[0050] When the grille portion 3612 is arranged around the main body 3611, the display panel can display clearly when the user is viewing forward within the angle a range. When the user's viewing angle deviates from the angle a range in any direction, the display panel can display blurred content, which is convenient for the user to roughly distinguish the content of the picture and perform operations such as turning on or off anti-peeping. When the user's viewing angle is within the angle c range, the user cannot see the screen at all.
[0051] See also Figure 1 and Figure 2 As shown, the orthographic projection of the grille portion 3612 on the base substrate 100 is located outside the orthographic projection of the anti-peeping sub-pixel 332 on the base substrate 100 .
[0052] When the orthographic projection of the grille portion 3612 on the base substrate 100 is located outside the orthographic projection of the anti-peeping sub-pixel 332 on the base substrate 100, all the light emitted by the anti-peeping sub-pixel 332 within the angle b range will pass through the grille portion 3612, that is, in any direction, a semi-anti-peeping area is formed between the non-anti-peeping area and the anti-peeping area.
[0053] See also Figure 1 and Figure 2 As shown, the display panel also includes a color resist layer 370, the color resist layer 370 includes a plurality of color resists, and the orthographic projection of the display sub-pixel 331 on the color resist layer 370 is located within the color resist. The plurality of display sub-pixels 331 may include a red display sub-pixel R, a green display sub-pixel G, and a blue display sub-pixel B, and the plurality of color resists may include a red color resist, a green color resist, and a blue color resist, and the red color resist, the green color resist, and the blue color resist correspond to the red display sub-pixel R, the green display sub-pixel G, and the blue display sub-pixel B one by one. The light shielding layer 360 includes a black matrix, and the black matrix is located around the color resist. There is a light emitting gap between the light shielding unit 361 and the black matrix and the color resist, and the light of the anti-peeping sub-pixel 332 is emitted from the light emitting gap around the light shielding unit 361.
[0054] The light shielding unit 361 includes a main body 3611 and a grille 3612, and the main body 3611 and the grille 3612 are integrally connected. The light shielding unit 361 and the black matrix are disposed in the same layer.
[0055] The shading unit 361 and the black matrix are arranged in the same layer, and the two can use the same film forming process to form a film layer for forming a specific pattern, and then use the same mask to form a layer structure through a single patterning process, that is, one patterning process corresponds to one mask. Depending on the specific pattern, a single patterning process may include multiple exposure, development or etching processes, and the specific pattern in the formed layer structure may be continuous or discontinuous, and these specific patterns may also be at different heights or have different thicknesses. This simplifies the manufacturing process, saves manufacturing costs, and improves production efficiency.
[0056] The display panel further includes an anti-reflection layer 380 , which is formed on a side of the color resist layer 370 away from the base substrate 100 .
[0057] In order to improve the contrast of the display device and achieve an integrated black effect, OLED display panels usually use polarizers (POLs), which can effectively reduce the reflection intensity of external ambient light on the screen. However, the light transmittance of polarizers is generally only about 44%. In order to achieve higher light brightness, more power consumption is required. In addition, polarizers are thick and brittle, which is not conducive to the development of dynamic bending products.
[0058] The present application adopts a structure of color resist, black matrix and anti-reflection layer 380. Red color resist, green color resist and blue color resist filter light. The black matrix is arranged around the color resist to block light. The anti-reflection layer 380 reduces the reflection intensity of external ambient light on the screen. The polarizer of the OLED display panel can be cancelled. Not only will the thickness of the functional layer be greatly reduced, but the light output rate can also be increased from 44% to 80%, greatly increasing the light output brightness, thereby reducing the power consumption of the OLED display panel.
[0059] See also Figure 1 and Figure 2 As shown, the display panel further includes an encapsulation layer 350 , and the encapsulation layer 350 is located between the light shielding layer 360 and the cathode layer 340 . The encapsulation layer 350 includes a first inorganic encapsulation layer 351 , and the grid portion 3612 is located in the first inorganic encapsulation layer 351 .
[0060] When manufacturing a display panel, a first inorganic encapsulation layer 351 is first formed, the thickness of the first inorganic encapsulation layer 351 is 0.5 microns to 2 microns, and the preferred thickness is 1.2 microns. Then, an annular groove is formed on the first inorganic encapsulation layer 351, and the formation of the annular groove matches the shape of the grille portion 3612, and the depth of the annular groove is less than the thickness of the first inorganic encapsulation layer 351. Then, a shading unit 361 is formed by coating, exposing, and developing. The thickness of the main body 3611 of the shading unit 361 is 0.5 microns to 3 microns, and the preferred thickness is 1.5 microns. The grille portion 3612 of the shading unit 361 is located in the annular groove.
[0061] The grid portion 3612 is located in the first inorganic encapsulation layer 351 , which can reduce damage to the encapsulation layer 350 and avoid affecting the encapsulation quality of the display panel.
[0062] See also Figure 1 and Figure 2 As shown, the encapsulation layer 350 also includes an organic encapsulation layer 352 and a second inorganic encapsulation layer 353, and the organic encapsulation layer 352 is located between the first inorganic encapsulation layer 351 and the cathode layer 340. The second inorganic encapsulation layer 353 is located between the organic encapsulation layer 352 and the cathode layer 340. The thickness of the second inorganic encapsulation layer 353 is 0.5 microns to 2 microns, and the preferred thickness is 0.8 microns. The thickness of the organic encapsulation layer 352 is 4 microns to 20 microns, and the preferred thickness is 12.5 microns. The grid portion 3612 is located in the first inorganic encapsulation layer 351 and the organic encapsulation layer 352.
[0063] When manufacturing the display panel, the organic encapsulation layer 352 is first formed, then a ring groove is formed on the organic encapsulation layer 352, then a first inorganic encapsulation layer 351 is formed on the organic encapsulation layer 352, and finally a shading unit 361 is formed, wherein the grille portion 3612 of the shading unit 361 is located in the ring groove.
[0064] The thickness of the organic encapsulation layer 352 is much greater than that of the first inorganic encapsulation layer 351. The grid portion 3612 is located between the first inorganic encapsulation layer 351 and the organic encapsulation layer 352. The vertical dimension of the grid portion 3612 can be made longer, and the semi-peep-proof area formed can be made larger. In addition, the inorganic encapsulation layer has a better water and oxygen barrier effect than the organic encapsulation layer 352. The second inorganic encapsulation layer 353 is provided between the organic encapsulation layer 352 and the cathode layer 340 to prevent the grid portion 3612 from affecting the encapsulation quality of the display panel.
[0065] Embodiment 2
[0066] The main difference between the second embodiment and the first embodiment is that the position of the light shielding unit 361 is different.
[0067] See also Figure 4 As shown, the encapsulation layer 350 includes a second inorganic encapsulation layer 353, an organic encapsulation layer 352 and a first inorganic encapsulation layer 351 formed in sequence. A plurality of light shielding units 361 are formed between the first inorganic encapsulation layer 351 and the organic encapsulation layer 352, and at least the grid portion 3612 is located in the organic encapsulation layer 352.
[0068] The light shielding unit 361 is formed between the first inorganic encapsulation layer 351 and the organic encapsulation layer 352 , and the first inorganic encapsulation layer 351 is not damaged, thereby ensuring the encapsulation quality of the display panel.
[0069] See also Figure 4As shown, the main body 3611 is located on the side of the organic encapsulation layer 352 away from the base substrate 100, and the grid portion 3612 is located in the organic encapsulation layer 352. The light shielding unit 361 can be a metal structure layer with a thickness of 0.1 micron to 0.6 micron, preferably 0.4 micron.
[0070] It should be noted that the shading unit 361 can be made of metal material, but is not limited thereto. The shading unit 361 can also be made of black shading material that forms a black matrix, depending on the specific situation.
[0071] The main body 3611 is located on the side of the organic encapsulation layer 352 away from the base substrate 100. The shading unit 361 is made of metal material, so that the main body 3611 can be made thinner, forming a smoother base for the first inorganic encapsulation layer 351, which can reduce the risk of damage to the first inorganic encapsulation layer 351 and ensure the encapsulation quality of the display panel.
[0072] See also Figure 4 As shown, the main body 3611 and the grille 3612 are both located in the organic encapsulation layer 352 , and the side of the main body 3611 away from the base substrate 100 is flush with the side of the organic encapsulation layer 352 away from the base substrate 100 .
[0073] When manufacturing the display panel, the second inorganic encapsulation layer 353 and the organic encapsulation layer 352 are first formed in sequence, then a ring groove is formed on the organic encapsulation layer 352 , and then a light shielding unit 361 is formed on the organic encapsulation layer 352 , and finally the first inorganic encapsulation layer 351 is formed.
[0074] The side of the main body 3611 away from the base substrate 100 is flush with the side of the organic encapsulation layer 352 away from the base substrate 100, forming a flatter base for the first inorganic encapsulation layer 351, which can reduce the risk of damage to the first inorganic encapsulation layer 351 and ensure the encapsulation quality of the display panel.
[0075] Embodiment 3
[0076] The present application also provides a display device, see Figure 5 As shown, the display device includes a display panel 10 and a mainboard 20, and the mainboard 20 is connected to the display panel 10 and is used to drive the display panel 10 to display images. The display panel 10 includes the display panel 10 disclosed in the first embodiment and the second embodiment.
[0077] The display device includes a display panel 10, which includes a base substrate 100, a driving circuit layer 200, an anode layer 310, a pixel definition layer 320, a light-emitting layer 330, a cathode layer 340 and a light-shielding layer 360 formed in sequence. The light-emitting layer 330 includes a plurality of pixel units, and the plurality of pixel units are arrayed in row and column directions. The pixel unit includes a plurality of display sub-pixels 331 and an anti-peeping sub-pixel 332. Each display sub-pixel 331 and each anti-peeping sub-pixel 332 is correspondingly connected to an anode 311. The light-shielding layer 360 includes a plurality of light-shielding units 361. The orthographic projections of the anti-peeping sub-pixels 332 on the base substrate 100 are one-to-one located within the orthographic projections of the light-shielding units 361 on the base substrate 100.
[0078] The shading unit 361 includes a main body 3611 and a grille 3612, and the grille 3612 has a shading area and a hollow area. The grille 3612 is located on the side of the main body 3611 close to the substrate 100 and extends away from the main body 3611. The grille 3612 is at least located on one side of the main body 3611 in the row direction or the column direction. The present application divides the shading unit 361 into a main body 3611 and a grille 3612, and the grille 3612 blocks part of the light of the anti-peeping sub-pixel 332 to form a semi-anti-peeping area, thereby solving the problem that the screen cannot be seen clearly at all under the anti-peeping viewing angle, which is inconvenient for users to operate.
[0079] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the feature. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0080] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0081] In the description of this specification, the description with reference to the terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0082] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.
Claims
1. A display panel, comprising a base substrate and a driving circuit layer formed on one side of the base substrate, characterized in that: The display panel further includes: An anode layer, formed on a side of the driving circuit layer away from the base substrate, the anode layer comprising a plurality of anodes; A light-emitting layer is formed on the side of the anode layer away from the base substrate, the light-emitting layer includes a plurality of pixel units, the pixel units include a plurality of display sub-pixels and at least one anti-peeping sub-pixel, each of the display sub-pixels and each of the anti-peeping sub-pixels is connected to one of the anodes; A cathode layer is formed on a side of the light emitting layer away from the base substrate; A light-shielding layer is formed on a side of the cathode layer away from the base substrate, the light-shielding layer includes a plurality of light-shielding units, the orthographic projections of the anti-peeping sub-pixels on the base substrate are located one-to-one within the orthographic projections of the light-shielding units on the base substrate, the light-shielding units include a main body and a grille portion, the grille portion has a light-shielding area and a hollow area, the grille portion is located on a side of the main body close to the base substrate and extends away from the main body, and the grille portion is at least located on one side of the main body in the row direction or the column direction.
2. The display panel according to claim 1, characterized in that: The grille portion is located at two sides of the main body portion in a row direction.
3. The display panel according to claim 2, characterized in that: The grille portion surrounds the edge of the main body portion and is arranged around the main body portion.
4. The display panel according to claim 1, characterized in that: The orthographic projection of the grille portion on the base substrate is located outside the orthographic projection of the anti-peeping sub-pixel on the base substrate.
5. The display panel according to claim 1, characterized in that: The display panel further comprises a color resist layer, the color resist layer comprises a plurality of color resists, the orthographic projection of the display sub-pixel on the color resist layer is located within the color resist, the light shielding layer comprises a black matrix, and the black matrix is located around the color resist; The grid portion and the main body portion are integrally connected, and the light shielding unit is arranged in the same layer as the black matrix.
6. The display panel according to claim 5, characterized in that: The display panel further includes an encapsulation layer, the encapsulation layer is located between the cathode layer and the light shielding layer, the encapsulation layer includes a first inorganic encapsulation layer, and the grid portion is located in the first inorganic encapsulation layer.
7. The display panel according to claim 6, characterized in that: The encapsulation layer also includes an organic encapsulation layer and a second inorganic encapsulation layer, the organic encapsulation layer is located on the side of the first inorganic encapsulation layer close to the base substrate, the second inorganic encapsulation layer is located between the organic encapsulation layer and the cathode layer, and the grid portion is located in the first inorganic encapsulation layer and the organic encapsulation layer.
8. The display panel according to claim 1, characterized in that: The display panel also includes an encapsulation layer, which is located between the cathode layer and the light-shielding layer. The encapsulation layer includes a second inorganic encapsulation layer, an organic encapsulation layer and a first inorganic encapsulation layer which are formed in sequence. The light-shielding layer is formed between the organic encapsulation layer and the first inorganic encapsulation layer. The grille portion and the main body portion are integrally connected, and at least the grille portion is located in the organic encapsulation layer.
9. The display panel according to claim 7, characterized in that: The main body and the grid are both located in the organic encapsulation layer, and a side of the main body away from the base substrate is flush with a side of the organic encapsulation layer away from the base substrate.
10. A display device, characterized in that: include: The display panel according to any one of claims 1 to 9; A main board is connected to the display panel.
Citation Information
Patent Citations
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CN115273661A
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CN115377154A