CN-118919528-B - Display panel and display device

Abstract

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate, a plurality of pixel circuits and a plurality of sub-pixels, wherein the pixel circuits are positioned on one side of the substrate, the sub-pixels are connected with the pixel circuits, the pixel circuits comprise driving transistors, the sub-pixels comprise first sub-pixels and second sub-pixels, the pixel circuits comprise first pixel circuits, the first sub-pixels are connected with the first pixel circuits, and the minimum distance between the front projection of the first sub-pixels on the substrate and the front projection of the driving transistors in the first pixel circuits is larger than the minimum distance between the front projection of the second sub-pixels on the substrate and the front projection of the driving transistors in the first pixel circuits. The invention can improve the color cast problem of the white picture and improve the display effect.

Inventors

• ZHAI YINGTENG
• JIA ZHENYU
• QIN FENG
• PENG XUHUI

Assignees

• 天马新型显示技术研究院(厦门)有限公司

Dates

Publication Date

20260508

Application Date

20240724

Claims (18)

1. 1. A display panel is characterized by comprising a substrate, a plurality of pixel circuits and a plurality of sub-pixels, wherein the pixel circuits are positioned on one side of the substrate, the sub-pixels are connected with the pixel circuits, the sub-pixels comprise at least one LED, the pixel circuits comprise driving transistors, the sub-pixels comprise first sub-pixels and second sub-pixels, the pixel circuits comprise first pixel circuits and second pixel circuits, the first sub-pixels are connected with the first pixel circuits, and the second sub-pixels are connected with the second pixel circuits, and at least one of the first pixel circuits and the second pixel circuits are adjacent; the display panel comprises a plurality of pixels, wherein each pixel comprises N sub-pixels with different colors, N is an integer, and N is more than or equal to 2, at least one pixel comprises a first sub-pixel and a second sub-pixel, and the first sub-pixel is a red sub-pixel; the minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit; Wherein, the The minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the second pixel circuit.
2. 2. The display panel of claim 1, wherein the display panel comprises, The minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor closest to the front projection of the first sub-pixel on the substrate is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the driving transistor closest to the front projection of the second sub-pixel on the substrate.
3. 3. The display panel of claim 2, wherein the display panel comprises, The sub-pixel further comprises a third sub-pixel, and the colors of the first sub-pixel, the second sub-pixel and the third sub-pixel are different from each other; The minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor closest to the first sub-pixel on the substrate is larger than the minimum distance between the front projection of the third sub-pixel on the substrate and the front projection of the driving transistor closest to the third sub-pixel on the substrate.
4. 4. The display panel of claim 1, wherein the display panel comprises, The minimum distance between the orthographic projection of the second sub-pixel on the substrate and the orthographic projection of the driving transistor on the substrate in the first pixel circuit is smaller than the minimum distance between the second sub-pixel and the orthographic projection of the driving transistor on the substrate in the second pixel circuit.
5. 5. The display panel of claim 1, wherein the display panel comprises, The display panel comprises a plurality of circuit groups, wherein the circuit groups comprise N pixel circuits; At least one first sub-pixel is located in an area surrounded by four driving transistors in four adjacent pixel circuits, and the four adjacent pixel circuits respectively belong to four adjacent circuit groups.
6. 6. The display panel of claim 5, wherein the display panel comprises, The four adjacent pixel circuits respectively belong to four adjacent circuit groups and comprise the first pixel circuit and the second pixel circuit; the minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit is larger than the minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the second pixel circuit.
7. 7. The display panel of claim 1, wherein the display panel comprises, The arrangement mode of the sub-pixels in at least one pixel is different from the arrangement mode of N pixel circuits corresponding to the sub-pixels.
8. 8. The display panel of claim 7, wherein the display panel comprises, N=3; The three pixel circuits corresponding to the pixels are distributed at equal intervals, and the distance between the first sub-pixel in the pixel and one adjacent sub-pixel is larger than the distance between the other two sub-pixels.
9. 9. The display panel of claim 8, wherein the display panel comprises, Three pixel circuits corresponding to the pixels are arranged along a first direction; Along the first direction, the first sub-pixel and the other two sub-pixels in the pixel are arranged in a staggered mode.
10. 10. The display panel of claim 7, wherein the display panel comprises, The sequence of the sub-pixels in at least one pixel is different from the sequence of the corresponding pixel circuits in color arrangement.
11. 11. The display panel of claim 10, wherein the display panel comprises, N=3, and three of the sub-pixels are arranged at equal intervals in the pixel.
12. 12. The display panel of claim 10, wherein the display panel comprises, The sub-pixel further comprises a third sub-pixel, wherein the pixel circuit comprises a third pixel circuit, and the third sub-pixel is connected with the third pixel circuit; the pixels include a first pixel including the first sub-pixel and the second sub-pixel, and a second pixel including the second sub-pixel and the third sub-pixel; The minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the third pixel circuit closest to the first sub-pixel on the substrate is smaller than the minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the first pixel circuit closest to the first sub-pixel on the substrate, the minimum distance between the front projection of the third sub-pixel on the substrate and the front projection of the first pixel circuit closest to the third sub-pixel on the substrate is smaller than the distance between the front projection of the third sub-pixel on the substrate and the front projection of the third pixel circuit closest to the third sub-pixel circuit on the substrate.
13. 13. The display panel of claim 12, wherein the display panel comprises, The first sub-pixel and the third pixel circuit overlap in a direction perpendicular to a plane in which the substrate is located.
14. 14. The display panel of claim 7, wherein the display panel comprises, The sub-pixel further comprises a third sub-pixel, wherein the pixel circuit comprises a third pixel circuit, and the third sub-pixel is connected with the third pixel circuit; the pixels include a first pixel including the first sub-pixel and the second sub-pixel, and a second pixel including the second sub-pixel and the third sub-pixel; the distance between the two sub-pixels in the first pixel is larger than the distance between the two sub-pixels in the second pixel.
15. 15. The display panel of claim 1, wherein the display panel comprises, The display panel comprises a circuit group, wherein the circuit group comprises N pixel circuits, and the circuit group is arranged in an array.
16. 16. A display panel is characterized by comprising a substrate, a plurality of pixel circuits and a plurality of sub-pixels, wherein the pixel circuits are positioned on one side of the substrate, the sub-pixels are connected with the pixel circuits, the sub-pixels comprise at least one LED, the pixel circuits comprise driving transistors, the sub-pixels comprise first sub-pixels and second sub-pixels, the pixel circuits comprise first pixel circuits and second pixel circuits, the first sub-pixels are connected with the first pixel circuits, and the second sub-pixels are connected with the second pixel circuits, and at least one of the first pixel circuits and the second pixel circuits are adjacent; The display panel comprises a plurality of pixels, wherein each pixel comprises N sub-pixels with different colors, N is an integer, and at least one pixel comprises a first sub-pixel and a second sub-pixel; the minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the driving transistor on the substrate in the first pixel circuit; N=2, the pixel includes a first pixel, the first pixel includes the first sub-pixel and the second sub-pixel, the minimum distance between the front projection of the first sub-pixel and the front projection of the second pixel circuit closest thereto on the substrate is smaller than the minimum distance between the front projection of the first sub-pixel and the front projection of the first pixel circuit closest thereto on the substrate, the minimum distance between the front projection of the second sub-pixel in the first pixel and the front projection of the first pixel circuit closest thereto on the substrate is smaller than the minimum distance between the front projection of the second sub-pixel and the front projection of the second pixel circuit closest thereto on the substrate.
17. 17. The display panel of claim 16, wherein the display panel comprises, The sub-pixel further comprises a third sub-pixel, wherein the pixel circuit comprises a third pixel circuit, the third sub-pixel is connected with the third pixel circuit, the pixel comprises a second pixel, and the second pixel comprises the second sub-pixel and the third sub-pixel; the minimum distance between the front projection of the third sub-pixel on the substrate and the front projection of the second pixel circuit closest to the third sub-pixel on the substrate is larger than the minimum distance between the front projection of the third sub-pixel on the substrate and the front projection of the third pixel circuit closest to the third sub-pixel on the substrate, the minimum distance between the front projection of the second sub-pixel on the second pixel on the substrate and the front projection of the third pixel circuit closest to the second sub-pixel on the substrate is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the second pixel circuit closest to the second sub-pixel circuit on the substrate.
18. 18. A display device comprising the display panel of any one of claims 1 to 17.

Description

Display panel and display device Technical Field The present invention relates to the field of display technologies, and in particular, to a display panel and a display device. Background The LED (light-emitting diode) can efficiently convert electric energy into light energy, and has the characteristics of small volume, long service life, high efficiency, energy conservation, rich colors and the like. With the continuous progress of technology, LEDs have been widely used in the fields of photographs, flat panel displays, medical devices, and the like. When the LED display device is applied to the display field, the LED in the sub-pixel is affected by temperature to reduce the luminous efficiency, and the temperature affects the LED efficiency in the sub-pixels with different colors to different degrees, so that the chromaticity of the display can be affected, and the color cast of the white picture is caused. Disclosure of Invention The embodiment of the invention provides a display panel and a display device, which are used for solving the problem of color cast of a white picture in the prior art. In a first aspect, an embodiment of the present invention provides a display panel, including a substrate, a plurality of pixel circuits located on one side of the substrate, and a plurality of sub-pixels, the sub-pixels being connected to the pixel circuits, the pixel circuits including a driving transistor; The minimum distance between the front projection of the first sub-pixel on the substrate and the front projection of the driving transistor in the first pixel circuit is larger than the minimum distance between the front projection of the second sub-pixel on the substrate and the front projection of the driving transistor in the first pixel circuit. In a second aspect, based on the same inventive concept, an embodiment of the present invention further provides a display apparatus, including a display panel provided by any embodiment of the present invention. Compared with the second sub-pixel, the display panel and the display device provided by the embodiment of the invention have the beneficial effects that the distance between the orthographic projection of the first sub-pixel on the substrate and the orthographic projection of the driving transistor in the first pixel circuit is larger, namely the first sub-pixel is far away from the driving transistor in the first pixel circuit. When the luminous efficiency of the first sub-pixel is greatly reduced due to the influence of temperature compared with that of the second sub-pixel, the design of the embodiment of the invention can reduce the influence of the heat emitted by the driving transistor in the first pixel circuit on the luminous efficiency of the first sub-pixel, thereby improving the white color cast problem and the display effect. Drawings In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art. Fig. 1 is a schematic diagram of a display panel according to an embodiment of the present invention; FIG. 2is a partial schematic view of the region Q1 of FIG. 1; FIG. 3 is a schematic diagram of a pixel circuit according to an embodiment of the present invention; FIG. 4 is a schematic diagram of another pixel circuit according to an embodiment of the present invention; FIG. 5 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 6 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 7 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 8 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 9 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 10 is a schematic view of a portion of another display panel according to an embodiment of the present invention; FIG. 11 is a schematic diagram of a portion of another display panel according to an embodiment of the invention; FIG. 12 is a schematic view of a portion of another display panel according to an embodiment of the present invention; FIG. 13 is a schematic view of a portion of another display panel according to an embodiment of the invention; FIG. 14 is a schematic view of a portion of another display panel according to an embodiment of the invention; FIG. 15 is a schematic view of a portion of another display panel according to an embodiment of the present invention; FIG. 16 is a schematic view of a portion of another display panel