Display panel and display device

Abstract

The present application discloses a display panel and a display device, wherein the display panel includes a substrate and a light-emitting element layer, wherein the light-emitting element layer is formed on one side of the substrate and includes a plurality of pixels, wherein each pixel includes a red sub-pixel, a green sub-pixel and a blue sub-pixel, wherein any two of the red sub-pixels, the green sub-pixels and the blue sub-pixels are arranged adjacent to each other, wherein the red sub-pixel includes a receiving cavity, wherein the blue sub-pixel and the green sub-pixel are at least partially received in the receiving cavity, and wherein the areas of the blue sub-pixel and the green sub-pixel are both smaller than the area of ​​the red sub-pixel. The display panel provided by the present application improves the luminous brightness of the red sub-pixel, and at the same time makes the color mixing effect of the red sub-pixel, the green sub-pixel and the blue sub-pixel better, thereby improving the display effect of the display panel.

Description

Technical Field

[0001] This application belongs to the field of display technology, and particularly relates to a display panel and a display device. Background Art

[0002] Micro-LED (Micro Light Emitting Diode) display technology has gradually become the mainstream product of the next generation of displays due to its low power consumption, long lifespan, high brightness, etc. Currently, in Micro-LED display panels, the luminous efficiency of red sub-pixels is insufficient, making it difficult to meet the normal display requirements. Summary of the Invention

[0003] Embodiments of this application provide a display panel and a display device. The display panel improves the luminous brightness of red sub-pixels, and at the same time makes the color mixing effect of red sub-pixels, green sub-pixels, and blue sub-pixels better, thereby improving the display effect of the display panel.

[0004] An embodiment of the first aspect of the embodiments of this application provides a display panel, including a substrate and a light-emitting element layer. The light-emitting element layer is formed on one side of the substrate and includes a plurality of pixels. Each pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. Any two of the red sub-pixel, the green sub-pixel, and the blue sub-pixel are adjacent to each other. The red sub-pixel includes a receiving cavity, and at least a part of the blue sub-pixel and the green sub-pixel are received in the receiving cavity. The areas of the blue sub-pixel and the green sub-pixel are both smaller than the area of the red sub-pixel.

[0005] An embodiment of the second aspect of the embodiments of this application provides another display panel, including a substrate and a light-emitting element layer. The light-emitting element layer is formed on one side of the substrate and includes a plurality of pixels. Each pixel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. Any two of the red sub-pixel, the green sub-pixel, and the blue sub-pixel are adjacent to each other. The blue sub-pixel and the green sub-pixel are located on the same side of the red sub-pixel. Among them, the area ratio of the red sub-pixel to the green sub-pixel is a, where 1 < a < 2; the area ratio of the red sub-pixel to the blue sub-pixel is b, where 1 < b ≤ 3.

[0006] An embodiment of the third aspect of this application provides a display device, including any one of the display panels provided by the first aspect and the second invention of this application.

[0007] In the display panel provided by the present application, by setting the area of ​​the red sub-pixel to be larger than the area of ​​the blue sub-pixel and the green sub-pixel, the luminous brightness of the red sub-pixel in the display panel can be increased, the problem of low brightness of the red sub-pixel in the display panel can be improved, and the problem of color deviation of the display panel caused by low brightness of the red sub-pixel and high brightness of the blue sub-pixel and the green sub-pixel can be improved. And by setting a receiving cavity in the red sub-pixel, setting the green sub-pixel and the blue sub-pixel in the receiving cavity, and setting the red sub-pixel, the green sub-pixel and the blue sub-pixel so that any two of them are adjacent to each other, the uniform color mixing of the red sub-pixel, the green sub-pixel and the blue sub-pixel can be ensured while increasing the area of ​​the red sub-pixel, thereby improving the display effect of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. 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.

[0009] Figure 1 is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0010] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle A area;

[0011] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along the middle line B-B';

[0012] Figure 4 is a schematic structural diagram of a pixel of a display panel provided in an embodiment of the present application;

[0013] Figure 5 is a schematic structural diagram of a pixel of another display panel provided in an embodiment of the present application;

[0014] Figure 6 is a schematic structural diagram of a pixel of another display panel provided in an embodiment of the present application;

[0015] Figure 7 is a schematic structural diagram of a pixel of another display panel provided in an embodiment of the present application;

[0016] Figure 8 is a schematic structural diagram of a pixel of another display panel provided in an embodiment of the present application;

[0017] Fig. 9is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0018] Fig.10 is a schematic diagram of the structure of another display panel provided in an embodiment of the present application;

[0019] Fig.11 is a partial structural schematic diagram of another display panel provided in an embodiment of the present application;

[0020] Fig.12 is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0021] Fig.13 is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0022] Fig.14 It is a structural schematic diagram of a device provided in an embodiment of the present application.

[0023] In the attached figure:

[0024] 1-display panel; 10-substrate; 11-light-emitting element layer; 111-pixel; 1111-red sub-pixel; 1112-green sub-pixel; 1113-blue sub-pixel; 1114-accommodating cavity; 112-first light shielding portion; 113-second light shielding portion; 114-third light shielding portion; D1-first width; D2-second width; D3-third width; 115-red light source; 116-green light source; 117-blue light source; 118-first excitation light source 119-first photosensitive display module; 120-second excitation light source; 121-second photosensitive display module; 122-third excitation light source; 123-third photosensitive display module; 2-display device; x-first direction; y-second direction; 13-glue layer; 14-glue frame; 15-upper substrate. DETAILED DESCRIPTION

[0025] The features and exemplary embodiments of various aspects of the application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the application. However, it is obvious to those skilled in the art that the application can be implemented when some details in these specific details are not needed. The following description of the embodiments is only to provide a better understanding of the application by illustrating the example of the application.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "include..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] The inventors have found through research that the Micro-LED display panel includes at least three colors of Micro-LEDs: red Micro-LED, green Micro-LED and blue Micro-LED. The light-emitting materials of the three colors of Micro-LED are different. Among them, the red Micro-LED is limited by the characteristics of the light-emitting material itself, and the luminous efficiency is insufficient. The brightness is much lower than that of the green Micro-LED and the blue Micro-LED at the same current. As a result, the brightness, chromaticity and white point are abnormal, which cannot meet the normal display requirements. Based on the research on the above problems, the inventors provide a display panel and a display device to improve the luminous brightness of the red Micro-LED in the display panel, thereby improving the luminous effect of the display panel.

[0028] In order to better understand this application, Figures 1 to 12 The display panel and the display device according to the embodiments of the present application are described in detail.

[0029] See also Figures 1 to 4 The embodiment of the present application provides a display panel 1, including a substrate 10 and a light-emitting element layer 11, the light-emitting element layer 11 is formed on one side of the substrate 10, and includes a plurality of pixels 111, each pixel 111 includes a red sub-pixel 1111, a green sub-pixel 1112 and a blue sub-pixel 1113, any two of the red sub-pixel 1111, the green sub-pixel 1112 and the blue sub-pixel 1113 are arranged adjacent to each other, the red sub-pixel 1111 includes a receiving cavity 1114, the blue sub-pixel 1113 and the green sub-pixel 1112 are at least partially received in the receiving cavity 1114, and the areas of the blue sub-pixel 1113 and the green sub-pixel 1112 are both smaller than the area of ​​the red sub-pixel 1111.

[0030] In the display panel 1 provided by the present application, by setting the area of ​​the red sub-pixel 1111 to be larger than the areas of the blue sub-pixel 1113 and the green sub-pixel 1112, the luminous brightness of the red sub-pixel 1111 in the display panel 1 can be improved, the problem of low brightness of the red sub-pixel 1111 in the display panel 1 can be improved, and the problem of color shift of the display panel 1 caused by low brightness of the red sub-pixel 1111 and high brightness of the blue sub-pixel 1113 and the green sub-pixel 1112 can be improved. In addition, by setting an accommodating cavity 1114 in the red sub-pixel 1111, setting the green sub-pixel 1112 and the blue sub-pixel 1113 in the accommodating cavity 1114, and setting the red sub-pixel 1111, the green sub-pixel 1112 and the blue sub-pixel 1113 so that any two of them are adjacent to each other, the area of ​​the red sub-pixel 1111 is increased while ensuring uniform color mixing of the red sub-pixel 1111, the green sub-pixel 1112 and the blue sub-pixel 1113, thereby improving the display effect of the display panel 1.

[0031] The area of ​​the red sub-pixel 1111 in the present application refers to the area of ​​the positive projection of the light-emitting portion of the red sub-pixel 1111 on the substrate 10 , excluding the accommodating cavity 1114 .

[0032] In a possible implementation, Figure 4 As shown, the orthographic projection of the accommodating cavity 1114 on the substrate 10 is a rectangle, and the orthographic projection of the red sub-pixel 1111 on the substrate 10 is a square ring surrounding the orthographic projection of the accommodating cavity 1114 on the substrate 10 .

[0033] In the above embodiment, the accommodating cavity 1114 is located inside the red sub-pixel 1111, and the red sub-pixel 1111 surrounds the accommodating cavity 1114, so that the red sub-pixel 1111 can fully mix light with the green sub-pixel 1112 and the blue sub-pixel 1113 located in the accommodating cavity 1114. The orthographic projection of the red sub-pixel 1111 on the substrate 10 is a square ring, and the orthographic projection of the accommodating cavity 1114 on the substrate 10 is a rectangle. The use of regular patterns can simplify the preparation process of the red sub-pixel 1111, the blue sub-pixel 1113, and the green sub-pixel 1112.

[0034] In a possible implementation, Figure 5 As shown, the orthographic projection of the red sub-pixel 1111 on the substrate 10 coincides with the center of the orthographic projection of the accommodating cavity 1114 on the substrate 10 .

[0035] In the above-described embodiment, the center of the orthographic projection of the red sub-pixel 1111 on the substrate 10 coincides with the center of the orthographic projection of the accommodation cavity 1114 on the substrate 10, so that the red sub-pixels can be evenly distributed around the blue sub-pixel 1113 and the green sub-pixel 1112 located in the accommodation cavity 1114, making the color mixing effect of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 better, thereby further improving the display effect of the display panel 1.

[0036] In another feasible embodiment, as Figure 6 and Figure 7 shown, the accommodation cavity 1114 includes an opening formed on a side of the red sub-pixel 1111, and the green sub-pixel 1112 and the blue sub-pixel 1113 are in a polygonal shape and partially or entirely located in the accommodation cavity 1114.

[0037] Specifically, as Figure 6 shown, the green sub-pixel 1112 and the blue sub-pixel 1113 can be completely accommodated inside the accommodation cavity 1114, and one side of the green sub-pixel 1112 and the blue sub-pixel 1113 coincides with the side of the red sub-pixel 1111 where the opening of the accommodation cavity 1114 is formed, so that the length of the adjacent side between the green sub-pixel 1112 and the red sub-pixel 1111 is close to the length of the adjacent side between the blue sub-pixel 1113 and the red sub-pixel 1111, thereby making the color mixing effect of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 better.

[0038] Alternatively, as Figure 7 shown, the green sub-pixel 1112 and the blue sub-pixel 1113 can be partially accommodated inside the accommodation cavity 1114, and the green sub-pixel 1112 and the blue sub-pixel 1113 are arranged along the first direction x, the red sub-pixel 1111 and the blue sub-pixel 1113 are arranged along the second direction y, and the red sub-pixel 1111 and the green sub-pixel 1112 are arranged along the second direction y, where the first direction x intersects the second direction y. This can make the length of the adjacent side between the green sub-pixel 1112 and the red sub-pixel 1111 close to the length of the adjacent side between the blue sub-pixel 1113 and the red sub-pixel 1111, thereby making the color mixing effect of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 better. And at this time, the area of the accommodation cavity 1114 is smaller, and in the manufacturing process, the manufacturing process of opening a hole in the red sub-pixel 1111 to form the accommodation cavity 1114 can be simplified.

[0039] In a feasible embodiment, the area ratio of the red sub-pixel 1111 to the green sub-pixel 1112 is a, where 1 < a < 2; the area ratio of the red sub-pixel 1111 to the blue sub-pixel 1113 is b, where 1 < b ≤ 3.

[0040] Since there are differences in the luminous efficiency of the luminescent materials of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113, the luminous efficiency of the blue sub-pixel 1113 is greater than that of the green sub-pixel 1112, and the luminous efficiency of the green sub-pixel 1112 is greater than that of the red sub-pixel 1111. Therefore, the area of ​​the red sub-pixel 1111 with lower luminous efficiency is set to the maximum, the area of ​​the green sub-pixel 1112 is set to the second largest, and the area of ​​the blue sub-pixel 1113 is set to the minimum, so that the overall luminous effect of the red sub-pixels 1111, the green sub-pixels 1112, and the blue sub-pixels 1113 in the display panel 1 can be better.

[0041] Among them, the area ratio a of the red sub-pixel 1111 to the green sub-pixel 1112 can be 1.91, 1.93, 1.97, etc., and the area ratio of the red sub-pixel 1111 to the blue sub-pixel 1113 can be 2.93, 2.96, 3.00, etc., which is not particularly limited in this application.

[0042] In a possible implementation, Figure 8 As shown, the display panel 1 further includes a first light shielding portion 112, a second light shielding portion 113 and a third light shielding portion 114. The first light shielding portion 112 is located between the red sub-pixel 1111 and the green sub-pixel 1112, and the first light shielding portion 112 has a first width D1. The second light shielding portion 113 is located between the red sub-pixel 1111 and the blue sub-pixel 1113, and the second light shielding portion 113 has a second width D2. The third light shielding portion 114 is located between the green sub-pixel 1112 and the blue sub-pixel 1113, and the third light shielding portion 114 has a third width D3. The first width D1 is greater than or equal to the second width D2, and the second width D2 is greater than the third width D3.

[0043] In the display panel 1, the red sub-pixel 1111 and the green sub-pixel 1112 are mixed to form yellow, and the red sub-pixel 1111 and the blue sub-pixel 1113 are mixed to form purple. Yellow and purple are easily recognized by the human eye, which will reduce the light emission effect of the display panel 1. The red sub-pixel 1111 and the blue sub-pixel 1113 are mixed to form cyan, which is not easily recognized by the human eye. In the above embodiment, a first light shielding portion 112 is provided between the red sub-pixel 1111 and the green sub-pixel 1112, a second light shielding portion 113 is provided between the red sub-pixel 1111 and the blue sub-pixel 1113, and a third light shielding portion 114 is provided between the green sub-pixel 1112 and the blue sub-pixel 1113. The first light shielding portion 112, the second light shielding portion 113 and the third light shielding portion 114 can prevent the adjacent sub-pixels 111 of different colors from cross-coloring, and avoid the appearance of colors that are easily recognized by the human eye in the overall light mixing effect, thereby improving the display effect of the display panel 1.

[0044] In the display panel 1, the first light shielding portion 112 has a first width D1, the second light shielding portion 113 has a second width D2, and the third light shielding portion 114 has a third width D3. The first width D1 is greater than or equal to the second width D2, and the second width D2 is greater than the third width D3, so that the risk of color mixing between the red sub-pixel 1111 and the green sub-pixel 1112, and between the red sub-pixel 1111 and the blue sub-pixel 1113 that is easily recognized by the human eye can be further reduced. By setting the third width D3 to the minimum, the area proportion of the third light shielding portion 114 can be reduced on the basis of improving the risk of color mixing between the blue sub-pixel 1113 and the green sub-pixel 1112 that is not easily recognized by the human eye, and the area proportion of each sub-pixel 111 can be increased to improve the display effect.

[0045] In a feasible implementation, the first width D1 is greater than 5 microns and less than or equal to 10 microns, the second width D2 is greater than 5 microns and less than or equal to 10 microns, and the third width D3 is greater than or equal to 3 microns and less than or equal to 5 microns.

[0046] Specifically, the first width D1 is greater than or equal to the second width D2, and the first width D1 and the second width D2 are both greater than 5 microns and less than or equal to 10 microns. Specifically, the first width D1 can be 5.3 microns, 5.6 microns, 5.8 microns, 6.3 microns, 7.9 microns, 10 microns, etc., which is not particularly limited in this application. Specifically, the second width D2 can be 5.3 microns, 5.4 microns, 5.8 microns, 6.0 microns, 7.5 microns, 10 microns, etc., which is not particularly limited in this application. The above-mentioned embodiment can reduce the area ratio of the first light shielding portion 112 and the second light shielding portion 113 while ensuring the anti-cross-light effect of the first light shielding portion 112 and the second light shielding portion 113 when the area of ​​each pixel 111 is constant, so as to increase the area ratio of the red sub-pixel 1111, the green sub-pixel 1112 and the blue sub-pixel 1113, thereby improving the display effect.

[0047] The second width D2 is greater than the third width D3, and the third width D3 is greater than or equal to 3 microns and less than or equal to 5 microns. Specifically, the third width D3 can be 3 microns, 3.6 microns, 3.8 microns, 4.3 microns, 4.9 microns, 5 microns, etc., and this application does not make any special restrictions. Since the light mixing effect of the blue sub-pixel 1113 and the green sub-pixel 1112 is not easy to be recognized by the human eye, the third width D3 of the third light shielding portion 114 is set to be smaller to meet the needs. At the same time, when the area of ​​each pixel 111 is constant, the area ratio of the third light shielding portion 114 can be reduced, so as to increase the area ratio of the red sub-pixel 1111, the green sub-pixel 1112 and the blue sub-pixel 1113, thereby improving the display effect.

[0048] In a feasible implementation manner, the first light shielding portion 112 , the second light shielding portion 113 , and the third light shielding portion 114 include colored thermosetting adhesive or metal.

[0049] Specifically, the first light shielding portion 112, the second light shielding portion 113 and the third light shielding portion 114 can be made of metal or non-metal materials with low light transmittance, which is not particularly limited in this application. Specifically, when non-metal materials are used, colored thermosetting adhesive, such as black thermosetting adhesive, can be used, so as to effectively prevent the occurrence of light crosstalk between adjacent sub-pixels 111 of different colors.

[0050] In a possible implementation, Fig. 9 As shown, the red sub-pixel 1111 includes a red light source 115 , the green sub-pixel 1112 includes a green light source 116 , and the blue sub-pixel 1113 includes a blue light source 117 .

[0051] In the above embodiment, the red light source 115, the green light source 116 and the blue light source 117 can directly adopt self-luminous devices, such as Micro-LED. In the preparation process, the Micro-LED emitting red light needs to be made into a whole large block, and then a hole is dug to form a receiving cavity 1114, and then the Micro-LED emitting green light and the Micro-LED emitting red light are placed in the receiving cavity 1114, so that the Micro-LED emitting green light and the Micro-LED emitting red light are at least partially located in the receiving cavity 1114.

[0052] In a possible implementation, Fig.10 As shown, the red sub-pixel 1111 includes a first excitation light source 118 formed on the substrate 10 and a first photosensitive display module 119 located on a side of the first excitation light source 118 away from the substrate 10 .

[0053] The green sub-pixel 1112 includes a second excitation light source 120 formed on the substrate 10 and a second photosensitive display module 121 located on a side of the second excitation light source 120 away from the substrate 10 .

[0054] The blue sub-pixel 1113 includes a third excitation light source 122 formed on the substrate 10 and a third photosensitive display module 123 located on a side of the third excitation light source 122 away from the substrate 10 .

[0055] The first photosensitive display module 119 includes a receiving cavity 1114 for receiving the second photosensitive display module 121 and the third photosensitive display module 123 . The areas of the second photosensitive display module 121 and the third photosensitive display module 123 are both smaller than that of the first photosensitive display module 119 .

[0056] In the above-mentioned embodiment, each pixel 111 emits light of a specified color in the form of an excitation light source and a photodisplay module, and this light-emitting method can further reduce color deviation (for example, the white point is blue). Specifically, the red sub-pixel 1111 includes a first excitation light source 118 and a first photodisplay module 119 stacked on the substrate 10. The green sub-pixel 1112 includes a second excitation light source 120 and a second photodisplay module 121 stacked on the substrate 10. The blue sub-pixel 1113 includes a third excitation light source 122 and a third photodisplay module 123 stacked on the substrate 10. Since the blue sub-pixel 1113 and the green sub-pixel 1112 are at least partially located in the accommodating cavity 1114 of the red sub-pixel 1111, the accommodating cavity 1114 can be formed in the first photosensitive display module 119, and at least a portion of the second photosensitive display module 121 and the third photosensitive display module 123 are disposed in the accommodating cavity 1114, and the area of ​​the first photosensitive display module 119 is set to be larger than the areas of the second photosensitive display module 121 and the third photosensitive display module 123, so as to ensure that the red sub-pixel 1111 is larger than the areas of the blue sub-pixel 1113 and the green sub-pixel 1112, thereby improving the luminous brightness of the red sub-pixel 1111.

[0057] In the above embodiment, the display panel 1 further includes a glue layer 13 disposed between the excitation light source and the photosensitive display module, a glue frame 14 disposed around the display panel 1, and an upper substrate 15 disposed on the side of the light emitting element layer 11 away from the substrate.

[0058] like Fig.11 As shown, the accommodating cavity 1114 in the first photosensitive display module 119 may be formed inside the red sub-pixel 1111 to achieve better light mixing of the red pixel 111, the green sub-pixel 1112, and the blue sub-pixel 1113. Alternatively, an opening of the accommodating cavity 1114 coincides with a side of the first photosensitive display module 119. This application is not particularly limited.

[0059] In a feasible implementation, the wavelength of light emitted by the first excitation light source 118, the second excitation light source 120, and the third excitation light source 122 is shorter than the wavelength of blue light, the first photodisplay module 119 is a red photodisplay module for emitting red light, the second photodisplay module 121 is a green photodisplay module for emitting green light, and the third photodisplay module 123 is a blue photodisplay module for emitting blue light. The first photodisplay module 119, the second photodisplay module 121, and the third photodisplay module 123 include at least one of quantum dot materials and phosphors.

[0060] Specifically, when the first photodisplay module 119, the second photodisplay module 121, and the third photodisplay module 123 use quantum dot materials, the diameter of the quantum dot material particles can be adjusted to emit light of a specified color, wherein the wavelength of the excitation light source is smaller than the wavelength of the light to be emitted by the excited quantum dots.

[0061] In a feasible implementation, the wavelength of light emitted by the first excitation light source 118 and the second excitation light source 120 is less than or equal to the wavelength of blue light, the first photodisplay module 119 is a red photodisplay module for emitting red light, and the second photodisplay module 121 is a green photodisplay module for emitting green light. The first photodisplay module 119 and the second photodisplay module 121 include at least one of quantum dot materials and phosphors.

[0062] The third excitation light source 122 emits blue light, and the third photodisplay module 123 is a colorless and transparent photodisplay module.

[0063] In the above embodiment, if Fig.12 As shown, the first excitation light source 118, the second excitation light source 120 and the third excitation light source 122 can all emit blue light, and the size, shape and position of the first photosensitive display module 119, the second photosensitive display module 121 and the third photosensitive display module 123 are set to form red sub-pixels 1111, green sub-pixels 1112 and blue sub-pixels 1113. In this embodiment, the first excitation light source 118, the second excitation light source 120 and the third excitation light source 122 can use the same blue excitation light source, so that the first excitation light source 118, the second excitation light source 120 and the third excitation light source 122 can be transferred synchronously during the preparation process, saving transfer time. And because the first excitation light source 118, the second excitation light source 120 and the third excitation light source 122 use the same blue excitation light source, the individual differences of each blue excitation light source are small, thereby improving the transfer yield. That is, the above embodiment makes the preparation method of the display panel 1 simpler and the preparation yield higher. At the same time, since the excitation light source directly emits blue light, the third photodisplay module 123 can directly adopt a transparent photodisplay module. Specifically, it can be filled with colorless and transparent materials, such as polyimide, which can further save preparation difficulty and cost. The material of the transparent photodisplay module is not particularly limited in this application.

[0064] In a feasible embodiment, the display panel 1 also includes a filter layer located on the side of the optical element layer facing away from the substrate 10, and the filter layer includes a red filter opposite to the red sub-pixel 1111, a green filter opposite to the green sub-pixel 1112, and a blue filter opposite to the blue sub-pixel 1113.

[0065] In the above embodiment, if Fig.13 As shown, by providing a filter layer 16 on the side of the light-emitting element layer 11 facing away from the substrate 10, the filter layer includes a red filter 161, a green filter 162, and a blue filter 163. The red filter 161 is opposite to the red sub-pixel 1111, the green filter 162 is opposite to the green sub-pixel 1112, and the blue filter 163 is opposite to the blue sub-pixel 1113. Thus, the light of each color can be further purified to further improve the purity of the light emitted by each sub-pixel 111.

[0066] The present application also provides another display panel 1, including a substrate 10 and a light-emitting element layer 11. The light-emitting element layer 11 is formed on one side of the substrate 10 and includes a plurality of pixels 111. Each pixel 111 includes a red sub-pixel 1111, a green sub-pixel 1112, and a blue sub-pixel 1113. Any two of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 are adjacent to each other, and the blue sub-pixel 1113 and the green sub-pixel 1112 are located on the same side of the red sub-pixel 1111. Among them, the area ratio of the red sub-pixel 1111 to the green sub-pixel 1112 is a, where 1 < a < 2; the area ratio of the red sub-pixel 1111 to the blue sub-pixel 1113 is b, where 1 < b ≤ 3.

[0067] In the above display panel 1 provided by the present application, by setting the area ratio a of the red sub-pixel 1111 to the green sub-pixel 1112 to 1 < a < 2; and at the same time setting the area ratio b of the red sub-pixel 1111 to the blue sub-pixel 1113 to 1 < b ≤ 3, the area of the red sub-pixel 1111 is made larger than the areas of the blue sub-pixel 1113 and the green sub-pixel 1112, which can improve the light-emitting brightness of the red sub-pixel 1111 in the display panel 1, improve the problem of low brightness of the red sub-pixel 1111 in the display panel 1, and improve the problem of color deviation of the display panel 1 caused by the low brightness of the red sub-pixel 1111 and the high brightness of the blue sub-pixel 1113 and the green sub-pixel 1112. And by setting any two of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 to be adjacent to each other, while increasing the area of the red sub-pixel 1111, uniform color mixing of the red sub-pixel 1111, the green sub-pixel 1112, and the blue sub-pixel 1113 is ensured, thereby improving the display effect of the display panel 1.

[0068] In the above embodiment, the area ratio a of the red sub-pixel 1111 to the green sub-pixel 1112 can be 1.91, 1.93, 1.97, etc., and the area ratio of the red sub-pixel 1111 to the blue sub-pixel 1113 can be 2.93, 2.96, 3.00, etc. The present application does not make specific limitations.

[0069] In the above embodiment, the display panel 1 further includes a first light shielding portion 112, a second light shielding portion 113 and a third light shielding portion 114. The first light shielding portion 112 is located between the red sub-pixel 1111 and the green sub-pixel 1112, and the first light shielding portion 112 has a first width D1. The second light shielding portion 113 is located between the red sub-pixel 1111 and the blue sub-pixel 1113, and the second light shielding portion 113 has a second width D2. The third light shielding portion 114 is located between the green sub-pixel 1112 and the blue sub-pixel 1113, and the third light shielding portion 114 has a third width D3. The first width D1 is greater than or equal to the second width D2, and the second width D2 is greater than the third width D3.

[0070] The specific arrangement and size of the first light shielding portion 112, the second light shielding portion 113 and the third light shielding portion 114 in this display panel 1 are the same as the specific arrangement and size of the first light shielding portion 112, the second light shielding portion 113 and the third light shielding portion 114 in the display panel 1 in the above-mentioned embodiment of the present application, and will not be repeated in this application.

[0071] The present application also provides a display device 2, such as Fig.14 As shown, it includes any one of the display panels 1 provided in the above embodiments of the present application.

[0072] The above-mentioned display device 2 can be a mobile terminal such as a mobile phone or a tablet computer, or a fixed terminal such as a monitor or a computer screen, or a vehicle-mounted display or a wearable device, etc., and this application does not make any special limitations.

[0073] The above-mentioned display device 2 is equipped with the display panel 1 provided in the present application, so as to improve the low brightness of the red sub-pixel 1111, improve the color mixing effect, reduce the color deviation, thereby improving the display effect, and further improving the user experience.

[0074] According to the embodiments of the present application as above, these embodiments do not describe all the details in detail, nor do they limit the invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can make good use of the present application and the modifications based on the present application. The present application is only limited by the claims and their full scope and equivalents.

Claims

1. A display panel, characterized in that: Comprising: A substrate; A light-emitting element layer formed on one side of the substrate, including a plurality of pixels, each pixel including a red sub-pixel, a green sub-pixel, and a blue sub-pixel, any two of the red sub-pixel, the green sub-pixel, and the blue sub-pixel being adjacent to each other. The red sub-pixel includes a receiving cavity, and the blue sub-pixel and the green sub-pixel are at least partially received in the receiving cavity. The areas of the blue sub-pixel and the green sub-pixel are both smaller than the area of the red sub-pixel; A first light-shielding portion located between the red sub-pixel and the green sub-pixel, the first light-shielding portion having a first width; A second light-shielding portion located between the red sub-pixel and the blue sub-pixel, the second light-shielding portion having a second width; A third light-shielding portion located between the green sub-pixel and the blue sub-pixel, the third light-shielding portion having a third width; Wherein, the first width is greater than or equal to the second width, and the second width is greater than the third width.

2. The display panel according to claim 1, characterized in that: The orthographic projection of the receiving cavity on the substrate is a rectangle, and the orthographic projection of the red sub-pixel on the substrate is a square ring surrounding the orthographic projection of the receiving cavity on the substrate.

3. The display panel according to claim 2, characterized in that: The orthographic projection of the red sub-pixel on the substrate coincides with the center of the orthographic projection of the receiving cavity on the substrate.

4. The display panel according to claim 1, characterized in that: The receiving cavity includes an opening formed on one side edge of the red sub-pixel, and the shapes of the green sub-pixel and the blue sub-pixel are polygons and are partially or entirely located within the receiving cavity.

5. The display panel according to claim 1, characterized in that: The area ratio of the red sub-pixel to the green sub-pixel is a, where 1 < a < 2; the area ratio of the red sub-pixel to the blue sub-pixel is b, where 1 < b ≤ 3.

6. The display panel according to claim 1, characterized in that: The first width is greater than 5 microns and less than or equal to 10 microns, the second width is greater than 5 microns and less than or equal to 10 microns, and the third width is greater than or equal to 3 microns and less than or equal to 5 microns.

7. The display panel according to claim 1, characterized in that: The first light-shielding portion, the second light-shielding portion, and the third light-shielding portion include a colored thermosetting adhesive or metal.

8. The display panel according to claim 1, characterized in that: The red sub-pixel includes a red light source, the green sub-pixel includes a green light source, and the blue sub-pixel includes a blue light source.

9. The display panel according to claim 1, characterized in that: The red sub-pixel includes a first excitation light source formed on the substrate and a first photoluminescent display module located on the side of the first excitation light source背离 the substrate; The green sub-pixel includes a second excitation light source formed on the substrate and a second photoluminescent display module located on the side of the second excitation light source背离 the substrate; The blue sub-pixel includes a third excitation light source formed on the substrate and a third photoluminescent display module located on the side of the third excitation light source背离 the substrate; Wherein, the first photoluminescent display module includes a receiving cavity for receiving the second photoluminescent display module and the third photoluminescent display module, and the areas of the second photoluminescent display module and the third photoluminescent display module are both smaller than the area of the first photoluminescent display module.

10. The display panel according to claim 9, characterized in that: The wavelengths of the light rays emitted by the first excitation light source, the second excitation light source, and the third excitation light source are shorter than the wavelength of blue light. The first photoluminescent display module is a red photoluminescent display module for emitting red light, the second photoluminescent display module is a green photoluminescent display module for emitting green light, the third photoluminescent display module is a blue photoluminescent display module for emitting blue light, and the first photoluminescent display module, the second photoluminescent display module, and the third photoluminescent display module include at least one of quantum dot materials and phosphors.

11. The display panel according to claim 9, characterized in that: The wavelengths of the light rays emitted by the first excitation light source and the second excitation light source are less than or equal to the wavelength of blue light. The first photoluminescent display module is a red photoluminescent display module for emitting red light, the second photoluminescent display module is a green photoluminescent display module for emitting green light, and the first photoluminescent display module and the second photoluminescent display module include at least one of quantum dot materials and phosphors; The third excitation light source emits blue light, and the third photoluminescent display module is a colorless and transparent photoluminescent display module.

12. The display panel according to claim 1, characterized in that: It further includes a filter layer on the side of the light-emitting element layer背离 the substrate, and the filter layer includes a red filter corresponding to the red sub-pixel, a green filter corresponding to the green sub-pixel, and a blue filter corresponding to the blue sub-pixel.

13. A display panel, characterized in that: Comprising: A substrate; A light-emitting element layer formed on one side of the substrate, including a plurality of pixels, each pixel including a red sub-pixel, a green sub-pixel, and a blue sub-pixel, with any two of the red sub-pixel, the green sub-pixel, and the blue sub-pixel being adjacent to each other, and the blue sub-pixel and the green sub-pixel being on the same side of the red sub-pixel, wherein the area ratio of the red sub-pixel to the green sub-pixel is a, 1 < a < 2; the area of the red sub-pixel to the blue sub-pixel is b, 1 < b ≤ 3; A first light-shielding portion located between the red sub-pixel and the green sub-pixel, and the first light-shielding portion has a first width; A second light-shielding portion located between the red sub-pixel and the blue sub-pixel, and the second light-shielding portion has a second width; A third light-shielding portion located between the green sub-pixel and the blue sub-pixel, and the third light-shielding portion has a third width; wherein the first width is greater than or equal to the second width, and the second width is greater than the third width.

14. A display device, characterized in that: Including the display panel according to any one of claims 1-13.

Images