Display panel, manufacturing method thereof and display device

Abstract

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises a substrate, a light-emitting unit layer, a pixel definition layer, a packaging layer and a color filter layer. The light-emitting unit layer is provided with a plurality of light-emitting units, the light-emitting units are arranged on the substrate in an array mode, the pixel definition layer is arranged on the substrate, and every two adjacent light-emitting units are separated through the pixel definition layer; the packaging layer is arranged on the light emitting unit and the pixel definition layer; the color filter layer is arranged on the packaging layer; wherein a plurality of color filter points are arranged on the surface of one side, deviating from the substrate, of the color filter layer, and the color of the color filter points is different from that of the color filter layer at the same opening area or non-opening area; according to the scheme, by adding the color filter points on the color filter layer, glare is reduced, and the display effect of the display panel under strong light is improved.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a manufacturing method thereof, and a display device. Background Art

[0002] With the continuous development of OLED (Organic Light-Emitting Diode) display technology, OLED is increasingly used in displays such as smartphones, tablets, computers, and televisions. OLED displays have the advantages of being thin and light, high contrast, fast response, wide viewing angle, high brightness, and full color. In order to reduce the reflectivity of external light in OLED displays, the current mainstream solution is to attach a circular polarizer to the light-emitting surface of the OLED display. However, this solution reduces the light-emitting effect due to the large light loss of the circular polarizer. Another solution is to set a color filter on the light-emitting surface of the OLED display to improve the light-emitting efficiency through the color filter, and the effect of the reflection of ambient light in the OLED display can be reduced by setting a black matrix (BM).

[0003] Although the black matrix can absorb some ambient light, some light directly enters the display panel from the color filter, causing problems such as light reflection and glare. Summary of the invention

[0004] The purpose of the present application is to provide a display panel and a manufacturing method thereof and a display device, which can reduce glare and improve the display effect of the display panel under strong light by adding color filter dots to the color filter layer.

[0005] The present application discloses a display panel, comprising an opening area and a non-opening area, wherein the display panel comprises a substrate, a light-emitting unit layer, a pixel definition layer, an encapsulation layer and a color filter layer; the light-emitting unit layer is provided with a plurality of light-emitting units, and a plurality of the light-emitting units are arrayed on the substrate and located in the opening area; the pixel definition layer is provided on the substrate and located in the non-opening area, and two adjacent light-emitting units are separated by the pixel definition layer; the encapsulation layer is provided on the light-emitting unit and the pixel definition layer; the color filter layer is provided on the encapsulation layer; wherein a plurality of color filter dots are provided on the surface of the color filter layer away from the substrate, and at the same position of the opening area or the non-opening area, the color of the color filter dots is different from the color of the color filter layer.

[0006] Optionally, the color filter layer includes a black matrix and a plurality of color filter portions, the black matrix is ​​arranged in the non-opening area, the color filter portion is arranged in the opening area, and adjacent color filter portions are separated by the black matrix; in each of the non-opening areas, a plurality of pits are arranged on the surface of the black matrix facing away from the substrate, a plurality of color filter dots are arranged in the plurality of pits, and the material of the color filter dots is the same as that of the color filter portion.

[0007] Optionally, the color filter dots include blue filter dots, the color filter portion includes a blue filter portion, and the blue filter dots and the blue filter portion are manufactured synchronously.

[0008] Optionally, the display panel also includes a cover plate, which is arranged on a side of the color filter layer away from the substrate; the blue filter dots are formed on the cover plate, and after the blue filter dots are formed, a black matrix is ​​formed on the blue filter dots, and the pits are formed corresponding to the positions of the blue filter dots.

[0009] Optionally, the radial width of the color filter dots is less than or equal to a, where a is the ratio of the width of the black matrix to the number of the color filter dots distributed on the black matrix; and the projection of the color filter dots on the substrate is a hexagon, a circle or an ellipse.

[0010] Optionally, in one of the non-opening areas, the total area of ​​the color filter dots is less than or equal to two-thirds of the area of ​​the black matrix; and the spacing between adjacent color filter dots is greater than or equal to 3 um.

[0011] Optionally, the color filter layer includes a black matrix and a plurality of color filter portions, the black matrix is ​​arranged in the non-opening area, the color filter portion is arranged in the opening area, adjacent color filter portions are separated by the black matrix, and the color filter portion includes a green filter portion, a red filter portion and a blue filter portion; a plurality of pits are also arranged on the surface of the plurality of color filter portions facing away from the substrate, and the color filter dots are arranged in the pits; wherein the color filter dots are blue filter dots or transparent filter dots.

[0012] Optionally, on one of the color filter portions, the proportion of the blue filter dots ranges from 8% to 10%.

[0013] The present application also discloses a method for manufacturing a display panel, comprising the steps of:

[0014] forming a pixel definition layer and a light emitting unit layer on a substrate;

[0015] forming an encapsulation layer on the light-emitting unit and the pixel definition layer;

[0016] forming a color filter layer on the encapsulation layer;

[0017] A plurality of color filter dots are formed on the surface of the color filter layer away from the substrate; wherein at the same opening area or the non-opening area, the color of the color filter dots is different from the color of the color filter layer.

[0018] The present application also discloses a display device, which includes a driving circuit and the above-mentioned display panel, wherein the driving circuit is used to drive the display panel to display.

[0019] The present application sets color filter dots on the surface of the color filter layer, and the color of the color filter dots is different from that of the color filter layer. When the external ambient light is directed to the display panel, it will first be filtered by the color filter dots, so that the reflection effect on the color filter layer is reduced. For the opening area position, when the color filter dots are set on the color filter layer in the opening area, due to the different colors of the color filter dots and the color filter layer, part of the ambient light is filtered by the color filter dots and then absorbed by the color filter layer below, so that part of the ambient light cannot enter the display panel, resulting in light reflection, and the color filter dots can reduce the reflected light of the color filter layer. When the color filter dots are set on the color filter layer in the non-opening area, due to the effect of the filter dots, the reflection effect on the color filter layer in the non-opening area is reduced, and part of the light is filtered by the filter dots and then absorbed by the color filter layer, which greatly improves the color filter layer's ability to absorb ambient light. The present application greatly reduces the possibility of ambient light entering the display panel by setting color filter dots on the surface of the color filter layer, thereby improving the display quality of the display panel, especially the display quality under strong light. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation methods of the present application, and together with the text description, explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0021] Figure 1 is a schematic diagram of a display panel according to a first embodiment of the present application;

[0022] Figure 2 is a schematic diagram of a second display panel of the first embodiment of the present application;

[0023] Figure 3 is a schematic diagram of the steps of the method for manufacturing the display panel of the present application;

[0024] Figure 4 is a top view schematic diagram of the black matrix of the present application;

[0025] Figure 5 is a schematic diagram of a display panel according to a second embodiment of the present application;

[0026] Figure 6 is a schematic diagram of a display device of the present application.

[0027] Among them, 100, display panel; 101, opening area; 102, non-opening area; 110, substrate; 120, light-emitting unit; 121, bottom electrode; 122, light-emitting layer; 123, top electrode; 130, pixel definition layer; 140, encapsulation layer; 141, first inorganic layer; 142, organic layer; 143, second inorganic layer; 150, color filter layer; 151, pit; 160, color filter part; 161, red filter part; 162, green filter part; 163, blue filter part; 170, black matrix; 180, color filter dots; 181, blue filter dots; 182, transparent filter dots; 190, cover plate; 200, display device; 210, driving circuit. DETAILED DESCRIPTION

[0028] It should be understood that the terms used herein, the specific structures and functional details disclosed are only for describing specific embodiments and are representative, but the present application can be implemented in many alternative forms and should not be construed as being limited to only the embodiments described herein.

[0029] In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating relative importance or implicitly indicating the number of technical features indicated. Therefore, unless otherwise specified, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; "multiple" means two or more. In addition, the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc. indicating orientation or positional relationships are described based on the orientation or relative positional relationships shown in the accompanying drawings, and are only for the convenience of describing the simplified description of the present application, rather than indicating that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0030] The present application is described in detail below with reference to the accompanying drawings and optional embodiments.

[0031] Figure 1 is a schematic diagram of a display panel of the first embodiment of the present application, see Figure 1As shown, the present application discloses a display panel 100, which includes an opening area 101 and a non-opening area 102, wherein the opening area 101 and the non-opening area 102 are mainly divided by a pixel definition layer 130, and the opening position of the pixel definition layer 130 corresponds to a light-emitting unit 120, which is the opening area 101, and the position of the pixel definition layer 130 is the non-opening area 102.

[0032] Specifically, the display panel 100 also includes a substrate 110, a light-emitting unit layer, a pixel definition layer 130, an encapsulation layer 140 and a color filter layer 150; the light-emitting unit layer is provided with a plurality of light-emitting units 120, and the plurality of light-emitting units 120 are arrayed on the substrate 110 and located in the opening area 101; the pixel definition layer 130 is provided on the substrate 110 and located in the non-opening area 102, and two adjacent light-emitting units 120 are separated by the pixel definition layer 130; the encapsulation layer 140 is provided on the light-emitting unit 120 and the pixel definition layer 130; the color filter layer 150 is provided on the encapsulation layer 140; wherein, a plurality of color filter dots 180 are provided on the surface of the color filter layer 150 away from the substrate 110, and at the same position of the opening area 101 or the non-opening area 102, the color of the color filter dots 180 is different from the color of the color filter layer 150.

[0033] The present application sets color filter dots 180 on the surface of the color filter layer 150, and the color of the color filter dots 180 is different from that of the color filter layer 150. When the external ambient light is directed to the display panel 100, it will first be filtered by the color filter dots 180, so that the reflection effect on the color filter layer 150 is reduced. For the position of the opening area 101, when the color filter dots 180 are set on the color filter layer 150 of the opening area 101, since the color of the color filter dots 180 is different from that of the color filter layer 150, part of the ambient light is filtered by the color filter dots 180 and then absorbed by the color filter layer 150 below, so that part of the ambient light cannot enter the interior of the display panel 100, resulting in light reflection, and the color filter dots 180 can reduce the reflected light of the color filter layer 150. When color filter dots 180 are disposed on the color filter layer 150 in the non-opening area 102, due to the effect of the filter dots, the reflection effect on the color filter layer 150 in the non-opening area 102 is reduced, and part of the light is filtered by the filter dots and then absorbed by the color filter layer 150, which greatly improves the color filter layer 150's ability to absorb ambient light. The present application greatly reduces the possibility of ambient light entering the display panel 100 by disposing color filter dots 180 on the surface of the color filter layer 150, thereby improving the display quality of the display panel 100, especially the display quality under strong light.

[0034] Specifically, the substrate 110 is located at the bottom layer of the display panel 100. A pixel driving layer is generally formed on the substrate 110. The pixel driving layer is stacked by multiple metal layers and insulating layers, and is mainly used to form multiple thin film transistors, circuits that drive the light-emitting unit 120 to emit light, etc. A pixel definition layer 130 and a light-emitting unit layer are respectively formed on the pixel driving layer.

[0035] The light-emitting unit layer is generally provided with a plurality of light-emitting units 120, each of which can emit a color of light, such as red light, green light, blue light or white light. When the light-emitting unit 120 emits red light, green light or blue light, a plurality of adjacent light-emitting units 120 emitting light of different colors are combined to form a pixel. For example, a plurality of pixels may include a plurality of red light-emitting units 120 emitting red light, a plurality of green light-emitting units 120 emitting green light and a plurality of blue light-emitting units 120 emitting blue light. Generally speaking, a pixel includes at least three light-emitting units 120 of different colors, but is not limited to being composed of light-emitting units 120 emitting red, green and blue colors. It can also be composed of a plurality of light-emitting units 120 emitting other colors. The light-emitting unit 120 generally includes a bottom electrode 121, a light-emitting layer 122 and a top electrode 123, etc., wherein the bottom electrode 121 is formed of a metal material, so that after the external ambient light enters, it is reflected by the bottom electrode 121 and emitted from the color filter layer 150, resulting in glare and other problems.

[0036] The encapsulation layer 140 is generally mainly used to encapsulate the light-emitting unit layer to prevent external water vapor or oxygen from entering the interior of the light-emitting unit 120 and causing damage to the light-emitting unit 120. The encapsulation layer 140 can be encapsulated in a stacked manner of inorganic materials and organic materials. For example, the encapsulation layer 140 may include a first inorganic layer 141, an organic layer 142, and a second inorganic layer 143, wherein the organic layer 142 is disposed between the first inorganic layer 141 and the second inorganic layer 143, the first inorganic layer 141 covers the light-emitting unit 120 and the pixel definition layer 130, and a color filter layer 150 is disposed on the second inorganic layer 143.

[0037] Figure 2 is a schematic diagram of the second display panel of the first embodiment of the present application, see Figure 2As shown, in this embodiment, the color filter layer 150 includes a black matrix 170 and a plurality of color filter portions 160, the black matrix 170 is arranged in the non-opening area 102, the color filter portion 160 is arranged in the opening area 101, and adjacent color filter portions 160 are separated by the black matrix 170; wherein, in each of the non-opening areas 102, a plurality of pits 151 are arranged on the surface of the black matrix 170 facing away from the substrate 110, a plurality of color filter dots 180 are arranged in the plurality of pits 151, and the material of the color filter dots 180 is the same as that of the color filter portion 160.

[0038] The present application sets color filter dots on the black matrix 170 that are made of the same material as the color filter portion 160. When external ambient light is directed toward the display panel 100, the reflection effect on the black matrix 170 is reduced due to the effect of the color filter dots. Part of the light is filtered by the color filter dots and then absorbed by the black matrix 170, which greatly improves the black matrix 170's ability to absorb ambient light. A small amount of light is reflected by the black matrix 170, thereby improving the display quality of the display panel 100, especially the display quality under strong light.

[0039] Specifically, the color filter dots in this embodiment can be red, green or blue color filter dots 181. Ambient light generally includes the entire visible light band or a wide spectrum band, so when the light is directed to the color filter dots corresponding to the black matrix 170, most of the light can be filtered out by the color filter dots, so that the red, green or blue light can be injected into the black matrix 170. Since it is monochromatic light and the light intensity becomes weak after passing through the color filter dots, it is directly absorbed in the black matrix 170, thereby reducing the reflectivity of the black matrix 170.

[0040] In another embodiment, in addition to filling the pits 151 on the black matrix 170, the color filter dots can also be set in the form of convex dots above the black matrix 170. By setting the color filter convex dots, the surface of the black matrix 170 away from the substrate 110 is uneven, so that when the light is emitted to the black matrix 170, part of the light is diffusely reflected by the uneven surface, and most of the light is filtered by the color filter convex dots and then absorbed by the black matrix 170, which greatly reduces the reflection effect of the black matrix 170.

[0041] Figure 3 is a schematic diagram of the steps of the method for manufacturing the display panel of the present application, see Figure 3 As shown, the present application also discloses a method for manufacturing a display panel, comprising the steps of:

[0042] S10: forming a pixel definition layer and a light emitting unit layer on a substrate;

[0043] S20: forming an encapsulation layer on the light-emitting unit and the pixel definition layer;

[0044] S30: forming a color filter layer on the encapsulation layer;

[0045] S40: forming a plurality of color filter dots on a surface of the color filter layer away from the substrate;

[0046] Wherein, at the same position of the opening area or the non-opening area, the color of the color filter dots is different from the color of the color filter layer.

[0047] The present application greatly reduces the possibility of ambient light entering the display panel 100 by setting color filter dots 180 on the surface of the color filter layer 150, thereby improving the display quality of the display panel 100, especially the display quality under strong light.

[0048] Specifically, the color filter dots 180 include blue filter dots 181 , the color filter portion 160 includes a blue filter portion 163 , and the blue filter dots 181 and the blue filter portion 163 are manufactured synchronously.

[0049] In this embodiment, in the step of forming the color filter layer 150, the blue filter portion 163 can be selected as the last step of the process, that is, the black matrix 170 can be formed first, and then the red filter portion 161 and the green filter portion 162 processes are completed. Finally, when the blue filter portion 163 is formed, a plurality of blue filter dots 181 are formed on the black matrix 170 of the non-opening area 102. The blue filter dots 181 can be filled in the pits 151 of the above-mentioned black matrix 170 or formed as convex dots on the black matrix 170. Compared with the color filter dots 180 of other colors, the blue filter dots 181 have little effect due to weak light even if they are reflected. Moreover, when the display panel 100 is displayed at low brightness or in a black state, the blue filter dots 181 are not easily perceived by the human eye, thereby reducing the display of different colors on the display panel 100. Of course, the specific color filter dots 180 have a strong influence on reality, which is also related to the proportion of the color filter dots 180.

[0050] In another embodiment, the display panel 100 further includes a cover plate 190. The cover plate 190 is generally formed on the color filter layer 150. In some processes, the color filter layer 150 may be formed on the cover plate 190. The display panel 100 may be formed by first forming the color filter layer 150 on the cover plate 190 and then laminating the cover plate 190 with the substrate 110. A plurality of color filter dots 180 may be formed on the surface of the cover plate 190. The color filter dots 180 may be formed in the opening area 101 and / or the opening area 101 according to actual conditions, and then a black matrix 170, a color filter portion 160, etc. may be formed.

[0051] In this embodiment, no additional process is required to form the pits 151 on the color filter portion 160 or the black matrix 170. The color filter dots 180 are first formed on the cover plate 190, and then when the color filter portion 160 or the black matrix 170 is formed on the surface of the cover plate 190 having the color filter dots 180, the color filter dots 180 are directly covered, thereby omitting the process of forming the pits 151.

[0052] Figure 4 is a top view schematic diagram of the black matrix of the present application, see Figure 4 As shown, the color filter dots 180 can be formed in various shapes, such as hexagon, circle or ellipse, etc. The size of the color filter dots 180 stated in this embodiment refers to the radial width, such as the distance between two opposite sides of the hexagon, the diameter of the circle, and the major axis or minor axis of the ellipse.

[0053] In a non-opening area 102, the total area of ​​the color filter dots 180 is less than or equal to two-thirds of the area of ​​the black matrix 170; when the total area of ​​the color filter dots 180 is too large, the black state of the display panel 100 is not enough when in strong light or without display, resulting in the color of the color filter dots 180 being biased. For example, when the color filter dots 180 are blue filter dots 181, when the proportion of blue filter dots 181 on the black matrix 170 is relatively large, it is easy to be biased towards blue, resulting in a decrease in the quality of the display panel 100. When a certain proportion of blue filter dots 181 are set on the black matrix 170, on the one hand, the reflection of light on the black matrix 170 can be reduced, and the incident ambient light from the outside can be scattered. When the coverage area is large, the reflected light of the black matrix 170 can be reduced to the maximum extent possible; on the other hand, the reflected light formed by a certain number of blue filter dots 181 improves the emission of blue light to a certain extent, which can solve the yellowing problem of the display panel 100.

[0054] Furthermore, on the basis that the total area of ​​the color filter dots 180 satisfies the above conditions, adjacent color filter dots 180 are spaced at least 3 um apart. Relatively speaking, the color filter dots 180 do not need to be in direct contact with each other. By setting a certain interval, a larger area of ​​the black matrix 170 can be covered with the smallest possible area, thereby reducing the reflected light on the black matrix 170.

[0055] In another embodiment, in a non-opening area 102, the total number of the color filter dots 180 is constant, and in the width direction of the black matrix 170, the size of the color filter dots 180 is less than or equal to the ratio a of the width of the black matrix 170 to the number of the color filter dots 180, and the number of the color filter dots 180 is the sum of the numbers of all the color filter dots 180 located on the black matrix 170 in the current non-opening area 102. For example, if n columns of color filter dots 180 are arranged in the length direction of the black matrix 170, and the number of color filter dots 180 in each column is m, then the number of color filter dots 180 is n*m, and when the width of the black matrix 170 is b, the radial width of the color filter dots 180 should be less than or equal to a=b / (n*m). It can be seen from this that when the radial width of the color filter dots 180 is constant, when n is larger, m is smaller, and vice versa, when n is smaller, m is larger. When the number of n and m is fixed, the size of the corresponding color filter dots 180 should not be greater than a. This achieves a fixed proportion of the color filter dots 180 in a non-opening area 102. Further, the proportion of the color filter dots 180 in this embodiment can meet the proportion of two-thirds in the previous embodiment.

[0056] Specifically, the depth of the pit 151 should be less than or equal to half the thickness of the black matrix 170. Relatively speaking, the thickness of the black matrix 170 and the light shielding ability of the black matrix 170 are limited. When the thickness of the black matrix 170 is thin, the light shielding ability of the black matrix 170 will be reduced. However, since the color filter dots 180 are arranged in the pit 151, the color filter dots 180 have a certain ability to filter light, which can make up for the problem of insufficient light shielding ability caused by the reduction of the thickness of the black matrix 170. Among them, the cross-sectional shape of the pit 151 can be semicircular, and the bottom surface is concave.

[0057] Figure 5 is a schematic diagram of a display panel of the second embodiment of the present application, see Figure 2 As shown, the present application discloses a display panel 100 . The structure of the display panel 100 in this embodiment is substantially the same as that in the previous embodiment, wherein the difference lies in the color filter layer 150 . Further improvements are made to the color filter portion 160 .

[0058] Specifically, the color filter layer 150 includes a black matrix 170 and a plurality of color filter portions 160. The black matrix 170 is disposed in the non-opening area 102. The color filter portion 160 is disposed in the opening area 101. The color filter portion 160 includes a red filter portion 161, a blue filter portion 163, and a green filter portion 162. When the light-emitting unit 120 of the display panel 100 is an RGB light-emitting unit 120, a red light-emitting unit 120 is disposed correspondingly below the red filter portion 161, a blue light-emitting unit 120 is disposed below the blue filter portion 163, and a green light-emitting unit 120 is disposed below the green filter portion 162. Three adjacent color filter portions 160 of different colors form a pixel.

[0059] Specifically, a plurality of pits 151 are disposed on the surface of the plurality of color filter portions 160 facing away from the substrate 110, and the color filter dots 180 are disposed in the pits 151. At the same position of the opening area 101, the color of the color filter dots 180 is different from the color of the color filter layer 150.

[0060] In this embodiment, a plurality of color filter dots 180 are disposed on the color filter portion 160. Since the color of the color filter dots 180 is different from that of the color filter layer 150, part of the ambient light is filtered by the color filter dots 180 and then absorbed by the color filter layer 150 below, so that part of the ambient light cannot enter the interior of the display panel 100, resulting in light reflection. In addition, the color filter dots 180 can reduce the reflected light of the color filter layer 150.

[0061] As for normal display, since the color filter dots 180 account for a limited proportion in the color filter section 160, the actual display is less affected. On one of the color filter sections, the proportion of the blue filter dots ranges from 8% to 10%. The proportion referred to here is mainly the area proportion, that is, on the orthographic projection of the substrate, the projection area of ​​all blue filter dots accounts for 8% to 10% of the projection area of ​​the color filter section. Within this range, on the one hand, it does not affect the display of the color filter section, including parameters such as color accuracy, and after setting the color filter dots, the reflection of ambient light is greatly reduced.

[0062] The present application greatly reduces the possibility of ambient light entering the display panel 100 by setting color filter dots 180 on the surface of the color filter layer 150, thereby improving the display quality of the display panel 100, especially the display quality under strong light. Most of the ambient light is dispersed by the color filter dots 180 to prevent the ambient light from entering the interior of the display panel 100, especially entering the anode of the light-emitting unit 120 to cause light reflection, thereby improving the display effect.

[0063] Specifically, the color filter dots 180 are blue filter dots 181 or transparent filter dots 182. When the color filter portion 160 is a red filter portion 161 or a green filter portion 162, the color filter dots 180 may be blue filter dots 181 and transparent filter dots 182; when the color filter portion 160 is a blue filter portion 163, the color filter dots 180 may be color filter dots 180 of other colors or transparent filter dots 182.

[0064] In this solution, blue filter dots 181 are respectively arranged at the positions of the red filter portion 161 and the green filter portion 162. Since the external ambient light first passes through the blue filter dots 181, it is filtered by the blue filter dots 181 to form blue light, which enters the red filter portion 161 or the green filter portion 162 and is absorbed, thereby realizing low-reflection display of the display panel 100 under strong light. When the display panel 100 is yellowish, the blue filter dots 181 arranged on the color filter portion 160 can increase the proportion of blue light and reduce the yellowish phenomenon of the display panel 100. As for the blue filter portion 163, the above-mentioned low-reflection effect can be formed by setting a color filter portion 160 of other colors. Among them, the transparent filter dots 182 can be formed of the same material as the flat layer, and a concave surface is formed between the flat layer and the color filter portion 160. Due to the different refractive indices between the flat layer and the color filter portion 160, part of the ambient light is scattered by the concave surface and cannot enter the interior of the display panel 100, thereby weakening the ambient light reflection effect at the position of the blue filter portion 163.

[0065] Relatively speaking, the solution of this embodiment can be implemented alone. For example, the color filter dots 180 are only provided on the color filter portion 160, and the color filter dots 180 are not provided on the black matrix 170. This can also be implemented alone, thereby improving the display effect of the display panel 100 under strong light.

[0066] In a specific embodiment, the color filter dot 180 in this embodiment is a blue filter dot 181. Compared with the red filter dot and the green filter dot, the blue filter dot 181 can transmit blue light and also reflect a small amount of blue light. When the display panel 100 is yellowish, the blue light is compensated, thereby improving the display effect of the display panel 100.

[0067] In the second embodiment, blue filter dots 181 are respectively arranged at the positions of the red filter portion 161 and the green filter portion 162. Since the external ambient light first passes through the blue filter dots 181, it is filtered by the blue filter dots 181 to form blue light, which enters the red filter portion 161 or the green filter portion 162 and is absorbed, thereby realizing low-reflection display of the display panel 100 under strong light. When the display panel 100 is yellowish, the blue filter dots 181 arranged on the color filter portion 160 can increase the proportion of blue light and reduce the yellowish phenomenon of the display panel 100. As for the blue filter portion 163, the above-mentioned low-reflection effect can be formed by setting a color filter portion 160 of other colors. By setting a plurality of color filter dots 180 on the color filter portion 160, since the color of the color filter dots 180 is different from that of the color filter layer 150, part of the ambient light is filtered by the color filter dots 180 and then absorbed by the color filter layer 150 below, so that part of the ambient light cannot enter the interior of the display panel 100, resulting in light reflection. In addition, the color filter dots 180 can reduce the reflected light of the color filter layer 150.

[0068] Figure 6 is a schematic diagram of the display device of the present application, see Figure 6 As shown, the present application also discloses a display device 200, which includes a driving circuit 210 and a display panel 100 in any of the above embodiments, wherein the driving circuit 210 is used to drive the display panel 100 to display. The present application greatly reduces the possibility of ambient light entering the display panel 100 by setting color filter dots 180 on the surface of the color filter layer 150, thereby improving the display quality of the display panel 100, especially the display quality under strong light.

[0069] It should be noted that the inventive concept of the present application can form a large number of embodiments, but the application document is limited in length and cannot be listed one by one. Therefore, under the premise of no conflict, the embodiments or technical features described above can be arbitrarily combined to form new embodiments. After the embodiments or technical features are combined, the original technical effects will be enhanced.

[0070] The above content is a further detailed description of the present application in combination with specific optional implementation methods, and it cannot be determined that the specific implementation of the present application is limited to these descriptions. For ordinary technicians in the technical field to which the present application belongs, several simple deductions or substitutions can be made without departing from the concept of the present application, which should be deemed to fall within the scope of protection of the present application.

Claims

1. A display panel, comprising an opening area and a non-opening area, characterized in that: The display panel comprises: substrate; A light emitting unit layer, provided with a plurality of light emitting units, wherein the plurality of light emitting units are arrayed on the substrate and located in the opening area; A pixel definition layer is disposed on the substrate and located in the non-opening area, and two adjacent light-emitting units are separated by the pixel definition layer; an encapsulation layer, disposed on the light-emitting unit and the pixel definition layer; and A color filter layer, disposed on the encapsulation layer; A plurality of color filter dots are arranged on the surface of the color filter layer facing away from the substrate, and at the same opening area or non-opening area, the color of the color filter dots is different from the color of the color filter layer.

2. The display panel according to claim 1, characterized in that: The color filter layer comprises a black matrix and a plurality of color filter parts, the black matrix is ​​arranged in the non-opening area, the color filter parts are arranged in the opening area, and adjacent color filter parts are separated by the black matrix; In each of the non-opening areas, a plurality of pits are arranged on the surface of the black matrix facing away from the substrate, a plurality of color filter dots are arranged in the plurality of pits, and the material of the color filter dots is the same as that of the color filter portion.

3. The display panel according to claim 2, characterized in that: The color filter dots include blue filter dots, the color filter portion includes a blue filter portion, and the blue filter dots and the blue filter portion are manufactured in a synchronous process.

4. The display panel according to claim 3, characterized in that: The display panel further comprises a cover plate, and the cover plate is arranged on a side of the color filter layer away from the substrate; The blue filter dots are formed on the cover plate. After the blue filter dots are formed, a black matrix is ​​formed on the blue filter dots, and the pits are formed corresponding to the positions of the blue filter dots.

5. The display panel according to claim 2, characterized in that: The radial width of the color filter dots is less than or equal to a, where a is the ratio of the width of the black matrix to the number of the color filter dots distributed on the black matrix; The projection of the color filter dots on the substrate is hexagonal, circular or elliptical.

6. The display panel according to claim 2, characterized in that: In one of the non-opening areas, the total area of ​​the color filter dots is less than or equal to two-thirds of the area of ​​the black matrix; and the spacing between adjacent color filter dots is greater than or equal to 3 um.

7. The display panel according to claim 1 or 2, characterized in that: The color filter layer includes a black matrix and a plurality of color filter portions, wherein the black matrix is ​​arranged in the non-opening area, the color filter portions are arranged in the opening area, adjacent color filter portions are separated by the black matrix, and the color filter portions include a green filter portion, a red filter portion and a blue filter portion; A plurality of pits are also arranged on the surface of the plurality of color filter portions facing away from the substrate, and the color filter dots are arranged in the pits; Wherein, the color filter dots are blue filter dots or transparent filter dots.

8. The display panel according to claim 7, characterized in that: On one of the color filter portions, the proportion of the blue filter dots ranges from 8% to 10%.

9. A method for manufacturing a display panel, characterized in that: Includes steps: forming a pixel definition layer and a light emitting unit layer on a substrate; forming an encapsulation layer on the light-emitting unit and the pixel definition layer; forming a color filter layer on the encapsulation layer; forming a plurality of color filter dots on a surface of the color filter layer away from the substrate; Wherein, at the same position of the opening area or the non-opening area, the color of the color filter dots is different from the color of the color filter layer.

10. A display device, characterized in that: It comprises a driving circuit and the display panel according to any one of claims 1 to 8, wherein the driving circuit is used to drive the display panel to display.

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