Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises a substrate, a pixel driving layer, a pixel definition layer, a plurality of light emitting units, a packaging layer and a color filter layer. The packaging layer is arranged on the light-emitting unit layer; the color filter layer is arranged on the packaging layer; wherein the packaging layer comprises an organic packaging layer, and the organic packaging layer is provided with a first groove corresponding to the non-opening area; the color filter layer comprises a plurality of shading parts and a plurality of color filter parts, the color filter parts are arranged in the opening areas, and the shading parts are arranged in the first grooves. According to the invention, the organic packaging layer is utilized to form the first groove for accommodating the shading part, so that when the color filter layer is formed, the film layer below the color filter layer is relatively flat, the overlapping part of the color filter layer and the shading part does not have an ox horn defect, and the color purity and uniformity of each position of the color filter part in the same opening area are improved.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel 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. The effect of the reflection of ambient light in the OLED display can be reduced by setting a black matrix (BM), and the thickness of the entire display panel can also be reduced.

[0003] However, in the process of preparing the color filter on the display panel, due to the presence of the black matrix in the process of forming the color filter material to make the color filter layer after the black matrix process, the color filter part and its overlapping position are easily stacked to form a "bull horn" defect, causing problems such as uneven display. Summary of the invention

[0004] The purpose of the present application is to provide a display panel and a display device. The present application utilizes an organic encapsulation layer to form a first groove to accommodate a light-shielding portion, so that when a color filter layer is formed, the film layer below the color filter layer is relatively flat, and the overlapping portion with the light-shielding portion will not have "cow horn" defects, thereby improving the color purity and uniformity of each position of the color filter portion within the same opening area.

[0005] The present application discloses a display panel, which includes an opening area and a non-opening area. The display panel includes a base substrate, a pixel driving layer, a pixel definition layer, a plurality of light-emitting units, an encapsulation layer and a color filter layer; the pixel driving layer is arranged on the base substrate; the pixel definition layer is arranged on the pixel driving layer and is located in the non-opening area; the plurality of light-emitting unit arrays are arranged on the pixel driving layer and are respectively located in the plurality of the opening areas; the encapsulation layer is arranged on the light-emitting unit layer; the color filter layer is arranged on the encapsulation layer; wherein the encapsulation layer includes an organic encapsulation layer, and the organic encapsulation layer is provided with a first groove corresponding to the non-opening area; the color filter layer includes a plurality of shading portions and a plurality of color filter portions, the color filter portion is arranged in the opening area, and the shading portion is arranged in the first groove.

[0006] Optionally, the multiple color filter sections include multiple first color filter sections and multiple second color filter sections; the colors of the first color filter sections are different from those of the second color filter sections; in each of the non-opening areas, the first color filter section is provided with a first color extension section, the second color is provided with a second color extension section, and the first color extension section and the second color extension section are stacked to form a shading section.

[0007] Optionally, the first color filter portion is a red filter portion, and the first color extension portion is a red extension portion; the second color filter portion is a blue filter portion, and the second color extension portion is a blue extension portion; in each of the non-opening areas, the red extension portion is arranged under the blue extension portion.

[0008] Optionally, under the orthographic projection of the base substrate, an overlapping area of ​​the red extension portion and the blue extension portion is greater than or equal to an area of ​​the first groove.

[0009] Optionally, a surface of the blue extension portion away from the base substrate is in the same plane as a surface of the blue filter portion and a surface of the red filter portion away from the base substrate.

[0010] Optionally, the encapsulation layer also includes a first inorganic layer, which is arranged on the organic encapsulation layer, and the second inorganic layer covers the first groove to form the second groove, and the red extension part and the blue extension part are arranged in the second groove; the depth of the second groove is equal to the thickness of the blue extension part or the thickness of the red extension part.

[0011] Optionally, the multiple filtering sections include multiple red filtering sections, multiple blue filtering sections and multiple green filtering sections. In each of the non-opening areas, the red filtering section is provided with a red extension section, the green filtering section is provided with a green extension section, and the blue filtering section is provided with a blue extension section. Two of the red extension section, the green extension section and the blue extension section form the shading section in the non-opening area.

[0012] Optionally, the shading portion is formed of a black shading material; the color filter portion is arranged to cover the shading portion, and in the orthographic projection of the base substrate, the shading portion and the color filter portion partially overlap.

[0013] Optionally, the encapsulation layer further includes a first inorganic layer, the first inorganic layer is disposed on the organic encapsulation layer, and the second inorganic layer covers the first groove to form the second groove; and the thickness of the light shielding portion is less than or equal to the depth of the second groove.

[0014] The present application also discloses a display device, comprising a driving circuit and the above-mentioned display panel, wherein the driving circuit is used to drive the display panel to display.

[0015] The present application sets the shading part in the first groove by setting the first groove in the organic encapsulation layer. The first groove is located in a non-opening position, so that the shading part is sunken, so that when the color filter layer is formed, the film layer below the color filter layer is relatively flat, and the overlapping part with the shading part will not have "horn" defects, thereby reducing the difference in spectrum and brightness at different positions of the color filter part due to the different thicknesses at the middle and edge positions of the color filter part, and improving the color purity and uniformity of each position of the color filter part in the same opening area. Improve the display effect under a wide viewing angle and reduce the color separation phenomenon caused by the reflection of ambient light by the display panel. Moreover, the present application utilizes the certain thickness of the organic encapsulation layer to form a first groove to accommodate the shading part. There is no need to set an additional film layer to form the first groove, reducing the overall thickness of the film layer of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 is a schematic top view of a display panel according to a first embodiment of the present application;

[0018] Figure 2 yes Figure 1 Schematic diagram of the cross section along the cutting line AA;

[0019] Figure 3 is a schematic diagram of another display panel of the first embodiment of the present application;

[0020] Figure 4 is a schematic diagram of a first display panel of a second embodiment of the present application;

[0021] Figure 5 is a schematic diagram of a second display panel of a second embodiment of the present application;

[0022] Figure 6 is a schematic diagram of another display panel according to the second embodiment of the present application;

[0023] Figure 7 is a schematic diagram of a display device of the present application.

[0024] Among them, 100, display panel; 101, opening area; 102, non-opening area; 110, base substrate; 111, pixel driving layer; 112, pixel definition layer; 113, light-emitting unit; 120, encapsulation layer; 121, first inorganic layer; 122, organic encapsulation layer; 123, second inorganic layer; 124, first groove; 125, second groove; 130, color filter layer; 140, color filter part; R, red filter part; G, green filter part; B, blue filter part; RE, red extension part; GE, green extension part; BE, blue extension part; 150, shading part; 200, display device; 210, driving circuit. DETAILED DESCRIPTION

[0025] 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.

[0026] 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.

[0027] The present application is described in detail below with reference to the accompanying drawings and optional embodiments.

[0028] Figure 1 is a schematic top view of a display panel according to the first embodiment of the present application, Figure 2 yes Figure 1 Schematic diagram of the cross section along the cutting line AA, see Figure 1-2As shown, the present application discloses a display panel, the display panel 100 includes an opening area 101 and a non-opening area 102, the display panel 100 includes a base substrate 110, a pixel driving layer 111, a pixel definition layer 112, a plurality of light-emitting units 113, an encapsulation layer 120 and a color filter layer 130; the pixel driving layer 111 is arranged on the base substrate 110; the pixel definition layer 112 is arranged on the pixel driving layer 111 and is located in the non-opening area 102; the plurality of light-emitting units 113 are arranged in an array on the pixel driving layer 111 and are divided into The encapsulation layer 120 is arranged on the light-emitting unit 113 layer; the color filter layer 130 is arranged on the encapsulation layer 120; wherein the encapsulation layer 120 includes an organic encapsulation layer 122, and the organic encapsulation layer 122 is provided with a first groove 124 corresponding to the non-opening area 102; the color filter layer 130 includes a plurality of shading portions 150 and a plurality of color filter portions 140, the color filter portion 140 is arranged in the opening area 101, and the shading portion 150 is arranged in the first groove 124.

[0029] The present application sets the light shielding part 150 in the first groove 124 by setting the first groove 124 in the organic encapsulation layer 122. The first groove 124 is located in a non-opening position, so that the light shielding part 150 is sunken, so that when the color filter layer 130 is formed, the film layer below the color filter layer 130 is relatively flat, and the overlapping part with the light shielding part 150 will not have a "horn" defect, thereby reducing the difference in spectrum and brightness at different positions of the color filter part 140 due to the different thicknesses at the middle and edge positions of the color filter part 140, and improving the color purity and uniformity of each position of the color filter part 140 in the same opening area 101. Improve the display effect under a wide viewing angle and reduce the color separation phenomenon caused by the reflection of ambient light by the display panel 100. In addition, the present application utilizes the fact that the organic encapsulation layer 122 has a certain thickness, and can form a first groove 124 to accommodate the light shielding part 150. No additional film layer is required to form the first groove 124 , thereby reducing the overall thickness of the film layer of the display panel 100 .

[0030] Specifically, the display panel 100 of the present application is an organic light-emitting display panel 100 having a color filter but not provided with a polarizer, and is also referred to as a COE display panel 100. In the process of forming the color filter of the display panel 100, it is necessary to first make the light shielding portion 150 (such as a black matrix), and then form the color filter portion 140. Since the black matrix has a certain thickness, the overlapping position of the color filter portion 140 and the black matrix is ​​prone to form a "horn", that is, the film layer of the color filter portion 140 is uneven, especially at the edge position of the black matrix, the upper surface of the color filter portion 140 will have obvious bulges, resulting in an uneven film layer on the upper surface of the color filter portion 140. The present application moves the position of the shading portion 150 downward and sets a first groove 124 on the organic encapsulation layer 122. In the process of forming the color filter layer 130 after forming the shading portion 150, a relatively flat surface is formed under the color filter portion 140, which will not be affected by the black matrix, that is, no "bull horn" defect of stacking with the black matrix is ​​formed.

[0031] Specifically, the pixel driving layer 111 is provided with a pixel driving circuit for driving the light emitting unit 113, including a thin film transistor, a data driving line, a scanning line, etc., which are formed by multiple metal film layers and insulating film layers. A flat layer is generally provided on the pixel driving layer 111, and the subsequent light emitting unit 113 and the pixel definition layer 112 are respectively provided on the flat layer.

[0032] Specifically, the pixel definition layer 112 is formed with multiple openings, and the location of the openings is also called the opening area 101. The location where the pixel definition layer 112 is set is called the non-opening area 102. The light-emitting unit 113 is set in the opening area 101, and two adjacent light-emitting units 113 are separated by the pixel definition layer 112.

[0033] Specifically, the encapsulation layer 120 covers the light-emitting unit 113 and the pixel definition layer 112, and is used to encapsulate the light-emitting unit 113 to prevent external water vapor from entering. The encapsulation layer 120 in this embodiment adopts thin film encapsulation technology, that is, a stack formed by multiple layers of inorganic materials and organic materials. Among them, the organic encapsulation layer 122 is formed of organic materials, and the encapsulation layer 120 also includes a first inorganic layer 121, the first inorganic layer 121 is arranged on the organic encapsulation layer 122, the second inorganic layer 123 covers the first groove 124 to form the second groove 125, and the color filter part 140 is arranged in the second groove 125. The first inorganic layer 121 is formed of inorganic materials, and the thickness of the first inorganic layer 121 is generally much smaller than the thickness of the organic encapsulation layer 122.

[0034] In this embodiment, by forming the first groove 124 on the organic encapsulation layer 122, when forming the first inorganic layer 121, the second groove 125 is formed at a position corresponding to the first groove 124, and the color filter 140 is disposed in the second groove 125. Relatively speaking, the film thickness of the organic encapsulation layer 122 is relatively thick, and the first groove 124 with a greater depth can be formed on the organic encapsulation layer 122 to accommodate the color filter 140.

[0035] In this embodiment, the encapsulation layer 120 can be encapsulated in a three-layer stacking manner, and the encapsulation layer 120 includes a first inorganic layer 121, an organic encapsulation layer 122, and a second inorganic layer 123. The second inorganic layer 123 covers the light-emitting unit 113 and is located under the organic encapsulation layer 122. The organic encapsulation layer 122 is arranged on the second inorganic layer 123, and the first inorganic layer 121 is arranged on the organic encapsulation layer 122. The color filter layer 130 is directly in contact with the second inorganic layer 123. It is worth mentioning that in this embodiment, by forming the first groove 124 on the organic encapsulation layer 122, the organic encapsulation layer 122 has a relatively small impact on the organic encapsulation layer 122 because the thickness of the organic encapsulation layer 122 is relatively thick.

[0036] Specifically, the shading portion 150 in this embodiment is formed of a black shading material, also known as a black matrix. The shading portion 150 is partially covered by the color filter portion 140 . On the orthographic projection of the base substrate 110 , the shading portion 150 partially overlaps with the color filter portion 140 .

[0037] In this embodiment, the light shielding portion 150 is mainly disposed in the second groove 125. The second groove 125 makes the surface of the light shielding portion 150 and the second inorganic layer 123 smoother. When forming different color filter portions 140, the color filter portions 140 can be extended to the light shielding portion 150, and the color filter portions 140 at that location can be shielded by the light shielding portion 150. The surface of the light shielding portion 150 away from the base substrate 110 and the surface of the first inorganic layer 121 away from the base substrate 110 are substantially in the same plane.

[0038] In the present application, the surface of each film layer away from the base substrate 110 is called the upper surface, and the surface of each film layer close to the base substrate 110 is called the lower surface. In the following description, the upper surface and the lower surface are used instead of each other.

[0039] Figure 3 is a schematic diagram of another display panel of the first embodiment of the present application, see Figure 3As shown, the thickness of the light shielding portion 150 can be less than or equal to the depth of the second groove 125. Generally speaking, the thickness of the light shielding portion 150 represented by the black matrix is ​​generally much smaller than the thickness of the color filter portion 140. In this embodiment, the depth of the second groove 125 does not need to be too deep, so as to avoid that the film layer step difference between the upper surface of the light shielding portion 150 and the upper surface of the first inorganic layer 121 will not be too large after the light shielding portion 150 is filled, so that the film below is smoother when the color filter portion 140 is formed. If the thickness of the light shielding portion 150 is slightly smaller than the depth of the second groove 125, after the light shielding portion 150 is formed, there is a partial film layer step difference between the surface of the non-groove portion of the second inorganic layer 123, forming a groove with a shallower depth. Since this part is not used for display even if the color filter portion 140 is formed. Therefore, forming a groove with a shallower depth can accommodate excess color filter portion 140 material.

[0040] Specifically, the color filter portion 140 includes a red filter portion R, a green filter portion G and a blue filter portion B. At the position of the non-opening area 102, two adjacent color filter portions 140 may overlap or not overlap.

[0041] Figure 4 is a schematic diagram of a first display panel of the second embodiment of the present application, see Figure 4 As shown, the present application discloses a display panel 100, which includes a substrate 110, a pixel driving layer 111, a pixel definition layer 112, a plurality of light-emitting units 113, an encapsulation layer 120 and a color filter layer 130; the pixel driving layer 111 is arranged on the substrate 110; the pixel definition layer 112 is arranged on the pixel driving layer 111 and is located in the non-opening area 102; the plurality of light-emitting units 113 are arranged in an array on the pixel driving layer 111 and are respectively located in the plurality of opening areas 101; the encapsulation layer 120 is arranged on the light emitting unit 113 layer; the color filter layer 130 is arranged on the encapsulation layer 120; wherein the encapsulation layer 120 includes an organic encapsulation layer 122, and the organic encapsulation layer 122 is provided with a first groove 124 corresponding to the non-opening area 102; the color filter layer 130 includes a plurality of light shielding portions 150 and a plurality of color filter portions 140, the color filter portions 140 are arranged in the opening area 101, and the light shielding portions 150 are arranged in the first groove 124. In this embodiment, the light shielding portions 150 are no longer formed by a black light shielding material, and the light shielding portions 150 are formed by stacking color filter portions 140 of two colors.

[0042] In the example of two colors, the plurality of color filter sections 140 include a plurality of first color filter sections and a plurality of second color filter sections; the first color filter sections and the second color filter sections have different colors; in each of the non-opening areas 102, the first color filter section is provided with a first color extension section, the second color filter section is provided with a second color extension section, and the first color extension section and the second color extension section are stacked to form a light shielding section 150.

[0043] In this embodiment, black shading material is no longer needed to form the shading portion 150. In the process of manufacturing the color filter portion 140, two colors of color filter portions 140 are stacked to form an opaque shading portion 150. That is, the first color extension portion and the second color extension portion are stacked to form the shading portion 150. When light is emitted or incident, one layer of the first color extension portion filters the light and only passes the light of the first color. Since the second color extension portion can only pass the light of the second color, the light of the first color cannot pass through the second color extension portion, thereby achieving a shading effect. By providing the second groove 125, even after the first color extension portion and the second color extension portion are stacked, no bull's-eye defect will be generated due to the stacking.

[0044] Specifically, the display panel further includes a suspension structure, which is arranged on the pixel definition layer and is used to separate two adjacent light-emitting units. The light-emitting unit generally includes a bottom electrode, a light-emitting functional layer and a top electrode. The suspension structure generally includes a conductive layer and an insulating layer. In the non-opening area, the width of the insulating layer is greater than the width of the conductive layer, so that when the light-emitting unit is subjected to full-surface vapor deposition, the light-emitting functional layer of the light-emitting unit cannot be formed under the insulating layer due to the shielding of the insulating layer, and is not connected to the light-emitting functional layer of the adjacent light-emitting unit, nor is it connected to the redundant light-emitting functional layer on the suspension structure.

[0045] Specifically, the first color filter portion is the red filter portion R, and the first color extension portion is the red extension portion RE; the second color filter portion is the blue filter portion B, and the second color extension portion is the blue extension portion BE; in each of the non-opening areas 102, the red extension portion RE is arranged under the blue extension portion BE.

[0046] In this embodiment, the red filter portion R, the red extension portion RE, the blue filter portion B, and the blue extension portion BE are used as examples for explanation, and are not limited to the above two colors. Secondly, as for the stacking order of the red extension portion RE and the blue extension portion BE, the stacking order of the red extension portion RE and the blue extension portion BE can be determined according to the sequential process sequence of different colors. The main function of the light shielding portion 150 in this embodiment is to prevent ambient light from entering the interior of the display panel 100 to cause light reflection problems, and to isolate adjacent color filter portions 140 to prevent light crosstalk problems.

[0047] Specifically, the encapsulation layer 120 further includes a first inorganic layer 121 , which is disposed on the organic encapsulation layer 122 , and the second inorganic layer 123 covers the first groove 124 to form the second groove 125 , and the red extension portion RE and the blue extension portion BE are disposed in the second groove 125 .

[0048] The thickness of the organic encapsulation layer 122 in the first groove 124 region is less than the thickness of the organic encapsulation in the region other than the first groove 124, and the depth of the first groove 124 generally needs to be greater than or equal to the thickness of the color filter layer 130 or the color filter portion 140. It is understood that, in general, the depth of the first groove 124 is equal to the depth of the second groove 125, and when the difference between the film thickness of the first inorganic layer 121 in the first groove 124 and the film thickness outside the first groove 124 is not considered, it is generally considered that the depth of the first groove 124 is equal to the depth of the second groove 125.

[0049] When the thickness of the organic encapsulation layer 122 is sufficient, the depth of the first groove 124 can be set to be slightly greater than the thickness of the color filter portion 140, so that after the first color extension portion is formed, the surface of the first color extension portion away from the base substrate 110 is slightly lower than the surface of the first inorganic layer 121 located outside the first groove 124. When the second color extension portion is formed, the second color extension portion will also sink slightly at the position of the first groove 124, so that the second color extension portion and the second color filter portion have better film flatness.

[0050] Specifically, under the orthographic projection of the base substrate 110, the overlapping area of ​​the red extension RE and the blue extension BE is greater than or equal to the area of ​​the first groove 124. In this embodiment, the overlapping area of ​​the red extension RE and the blue extension BE is the light shielding area of ​​the light shielding portion 150, and the light shielding area should be greater than the area of ​​the first groove 124 to achieve a better light shielding effect. The maximum area of ​​the light shielding portion 150 should not affect the light output of the opening area 101, so as to form the best light shielding effect in the non-opening area 102.

[0051] Specifically, the projection area of ​​the first groove 124 on the base substrate 110 should be smaller than or equal to the projection area of ​​the non-opening area 102 .

[0052] In one embodiment, the depth of the second groove 125 is equal to the thickness of the blue extension portion BE or the thickness of the red extension portion RE. In this embodiment, by setting the depth of the second groove 125 to the thickness of the blue extension portion BE or the red extension portion RE, when forming the thickness of the light shielding portion 150, the surface of the blue extension portion BE away from the base substrate 110 and the surfaces of the blue filter portion B and the red filter portion R away from the base substrate 110 are in the same plane.

[0053] In this embodiment, by limiting the depth of the second groove 125, the upper surface of the color filter layer 130 is made flatter, so that in the subsequent flattening process, the flattening material is made thinner and the film thickness is reduced. The depth of the second groove 125 is made to match the thickness of the color filter portion 140, so that the upper surface of the color filter portion 140 and the upper surface of the first inorganic layer 121 are in the same plane, the flatness of the color filter portion 140 is improved, the spectrum and brightness of each position are more uniform, the color purity and uniformity of the display are ensured, and the light scattering and reflection caused by the surface unevenness can be reduced.

[0054] The color filter portion 140 of the display panel 100 generally includes a red filter portion R, a blue filter portion B and a green filter portion G, that is, the plurality of filter portions include a plurality of red filter portions R, a plurality of blue filter portions B and a plurality of green filter portions G. In each of the non-opening areas 102, the red filter portion R is provided with a red extension portion RE, the green filter portion G is provided with a green extension portion GE, and the blue filter portion B is provided with a blue extension portion BE, and two of the red extension portion RE, the green extension portion GE and the blue extension portion BE form the light shielding portion 150 in the non-opening area 102.

[0055] In the present embodiment, considering that the display panel 100 is generally composed of an adjacent red filter portion R, a blue filter portion B and a green filter portion G to form a pixel, the red filter portion R can be used as a red sub-pixel, the blue filter portion B can be used as a blue sub-pixel, and the green filter portion G can be used as a green sub-pixel, and a pixel is formed by the red sub-pixel, the blue sub-pixel and the green sub-pixel for display.

[0056] The light shielding portion 150 between the red sub-pixel and the blue sub-pixel may be formed by stacking the red extension portion RE and the blue extension portion BE. The light shielding portion 150 between the red sub-pixel and the green sub-pixel, or between the blue sub-pixel and the green sub-pixel may be formed by stacking the red extension portion RE and the blue extension portion BE, or may be formed by stacking the red sub-pixel and the green sub-pixel, or between the blue sub-pixel and the green sub-pixel.

[0057] When the light shielding portion 150 of the display panel 100 is formed by the red extension portion RE and the blue extension portion BE, when forming the red filter portion R, it is necessary to retain all the non-opening areas 102, that is, the red extension portions RE in all the second grooves 125 are retained, and when forming the blue filter portion B, it is necessary to retain all the non-opening areas 102, that is, the blue extension portions BE in all the second grooves 125. The light shielding portion 150 is formed by using the red extension portion RE and the blue extension portion BE. The advantage is that the blue filter portion B and the red filter portion R are respectively at the two ends of the shorter and longer wavelengths, and the wavelength difference between the two is far, there is no wavelength overlap, and has better light shielding ability.

[0058] Figure 5 1 is a schematic diagram of a second display panel of a second embodiment of the present application. In this embodiment, the light shielding portion 150 between two sub-pixels of different colors is formed by using the color filter portion 140 corresponding to the two sub-pixels. For example, the light shielding portion 150 between the red sub-pixel and the green sub-pixel is formed by using the red extension portion RE and the green extension portion GE, and the light shielding portion 150 between the green sub-pixel and the blue sub-pixel is formed by using the green extension portion GE and the blue extension portion BE. In this embodiment, considering that the light shielding portions 150 at different positions can be formed by stacking the extension portions of the color filter portion 140 on both sides, it is more convenient in the manufacturing process.

[0059] Furthermore, considering the influence of the sidewall of the second groove 125, when the color filter 140 material is formed on the entire surface, a film layer with a certain slope will also be formed on the sidewall of the second groove 125, extending from the second groove 125 to the non-second groove 125. Therefore, in this embodiment, the sidewalls of the first groove 124 and the second groove 125 can also be set as a multi-step stepped surface or a certain slope shape, so that the film layer thickness corresponding to the color extension parts of different colors in the non-opening area is more uniform, and the change of the film layer height is relatively slow, and the steep sidewall of the second groove will not cause a large change in the film layer in the transition area to the non-groove. However, the stepped surface or the sidewall with a slope of 30 degrees to 70 degrees is only set on one side of the second groove, for example, on the side of the color filter part located below at the position of the light shielding part. Figure 6 is a schematic diagram of another display panel of the second embodiment of the present application, see Figure 6As shown, at the light shielding position where the blue extension portion BE and the green extension portion GE are located, the step surface is arranged on the side close to the green filter portion G, and the green extension portion GE is arranged below the blue extension portion BE. At the light shielding position where the red extension portion RE and the green extension portion GE are located, the step surface is arranged on the side close to the red filter portion R, and the green extension portion GE is arranged above the red extension portion RE.

[0060] Figure 7 is a schematic diagram of the display device of the present application, see Figure 7 As shown, the present application further discloses a display device, wherein the display device 200 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.

[0061] It should be noted that the inventive concept of the present application can form a large number of embodiments, but the length of the application document is limited and it is impossible to list them 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.

[0062] 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 further includes: substrate substrate; A pixel driving layer is arranged on the base substrate; A pixel definition layer, disposed on the pixel driving layer and located in the non-opening area; A plurality of light-emitting units are arranged in an array on the pixel driving layer and are respectively located in the plurality of opening areas; an encapsulation layer, disposed on the light-emitting unit layer; and A color filter layer, disposed on the encapsulation layer; Wherein, the encapsulation layer comprises an organic encapsulation layer, and the organic encapsulation layer is provided with a first groove corresponding to the non-opening area; The color filter layer includes a plurality of light shielding portions and a plurality of color filter portions. The color filter portions are arranged in the opening area, and the light shielding portions are arranged in the first groove.

2. The display panel according to claim 1, characterized in that: The plurality of color filter sections include a plurality of first color filter sections and a plurality of second color filter sections; the first color filter sections and the second color filter sections have different colors; In each of the non-opening areas, the first color filter portion is provided with a first color extension portion, the second color filter portion is provided with a second color extension portion, and the first color extension portion and the second color extension portion are stacked to form a light shielding portion.

3. The display panel according to claim 2, characterized in that: The first color filter portion is a red color filter portion, and the first color extension portion is a red extension portion; the second color filter portion is a blue color filter portion, and the second color extension portion is a blue extension portion; In each of the non-opening areas, the red extending portion is disposed under the blue extending portion.

4. The display panel according to claim 3, characterized in that: Under the orthographic projection of the base substrate, an overlapping area of ​​the red extension portion and the blue extension portion is greater than or equal to an area of ​​the first groove.

5. The display panel according to claim 3, characterized in that: The surface of the blue extension portion away from the base substrate is in the same plane as the surfaces of the blue filter portion and the red filter portion away from the base substrate.

6. The display panel according to claim 3, characterized in that: The encapsulation layer further includes a first inorganic layer, the first inorganic layer is disposed on the organic encapsulation layer, the second inorganic layer covers the first groove to form the second groove, and the red extension portion and the blue extension portion are disposed in the second groove; The depth of the second groove is equal to the thickness of the blue extension portion or the thickness of the red extension portion.

7. The display panel according to claim 2, characterized in that: The plurality of filter sections include a plurality of red filter sections, a plurality of blue filter sections and a plurality of green filter sections. In each of the non-opening areas, the red filter portion is provided with a red extension portion, the green filter portion is provided with a green extension portion, and the blue filter portion is provided with a blue extension portion, and two of the red extension portion, the green extension portion and the blue extension portion form the shading portion in the non-opening area.

8. The display panel according to claim 1, characterized in that: The shading portion is formed of a black shading material; the color filter portion is arranged to cover the shading portion, and on the orthographic projection of the base substrate, the shading portion and the color filter portion partially overlap.

9. The display panel according to claim 8, characterized in that: The encapsulation layer further includes a first inorganic layer, the first inorganic layer is disposed on the organic encapsulation layer, and the second inorganic layer covers the first groove to form the second groove; The thickness of the light shielding portion is less than or equal to the depth of the second groove.

10. A display device, characterized in that: It comprises a driving circuit and the display panel according to any one of claims 1 to 9, wherein the driving circuit is used to drive the display panel to display.

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