WO-2026091004-A1 - DISPLAY SUBSTRATE, DISPLAY MODULE, DISPLAY SCREEN, AND PHOTOGRAPHIC SYSTEM

WO2026091004A1WO 2026091004 A1WO2026091004 A1WO 2026091004A1WO-2026091004-A1

Abstract

A display substrate, a display module, a display screen, and a photographic system, which relate to the technical field of display. The display substrate comprises a backplane (100), and a plurality of first light-emitting portions (200) and a plurality of second light-emitting portions (300) that are located on one side of the backplane (100), wherein when the display substrate is in a display state, the display substrate can present a display picture by means of the first light-emitting portions; and when the display substrate is in an illumination state, the display substrate can have a better illumination and fill light effect by means of the second light-emitting portions or by means of the first light-emitting portions and the second light-emitting portions. Therefore, during the process of virtually photographing a target object on a light-exiting side of a display screen integrated with such a display substrate, the display screen can periodically present a background picture and a fill light picture.

Inventors

ZHANG, Shubai
SHI, LINGYUN
YIN, KAIMIN
JIN, LIANGLIANG
YANG, ZEZHOU
LIU, XUEJIAN

Assignees

京东方科技集团股份有限公司
京东方晶芯科技有限公司
北京京东方技术开发有限公司

Dates

Publication Date: 20260507
Application Date: 20241031

Claims (20)

A display substrate, characterized in that it comprises: Back panel; A plurality of first light-emitting parts and a plurality of second light-emitting parts are located on one side of the back plate; the plurality of first light-emitting parts are divided into a plurality of pixel groups, and a pixel group includes at least two first light-emitting parts; the same pixel group is used to emit light of at least two colors, and the color of the light emitted by the second light-emitting parts is different from the color of the light emitted by each of the first light-emitting parts; The display substrate has a display state and an illumination state. When the display substrate is in the display state, at least a portion of the first light-emitting part emits light outward to make the display substrate display a screen. When the display substrate is in the illumination state, at least a portion of the second light-emitting part emits light outward, or at least a portion of the first light-emitting part and at least a portion of the second light-emitting part emit light outward simultaneously.
According to claim 1, the display substrate is characterized in that the at least two colors of light emitted by the pixel group are red light, green light and blue light, respectively; The light emitted from the second light-emitting part is white or orange.
According to claim 2, the display substrate is characterized in that, when the color of the light emitted by the second light-emitting part is white, when the display substrate is in the illumination state, each of the second light-emitting parts emits light outward, and each of the first light-emitting parts is in an off state.
According to claim 2, the display substrate is characterized in that, when the color of the light emitted by the second light-emitting part is orange, when the display substrate is in the illumination state, each of the second light-emitting parts and each of the second light-emitting parts simultaneously emit light outward.
The display substrate according to any one of claims 2 to 4 is characterized in that, when the display substrate is in the display state, at least a portion of the first light-emitting portion emits light outward, and each of the second light-emitting portions is in an off state.
The display substrate according to any one of claims 1 to 4 is characterized in that the back plate has a plurality of first lamp areas arranged in an array and a plurality of second lamp areas arranged in an array, wherein the plurality of rows of first lamp areas and the plurality of rows of second lamp areas are arranged alternately. The plurality of first light zones correspond one-to-one with the plurality of pixel groups, and each of the first light-emitting parts in the pixel group is distributed in the corresponding first light zone; the plurality of second light zones correspond to the plurality of second light-emitting parts, and at least one second light-emitting part is distributed in each second light zone.
According to claim 6, the display substrate is characterized in that the back plate integrates multiple sets of first signal lines and multiple sets of second signal lines, wherein the extending direction of the first signal lines intersects the extending direction of the second signal lines; A set of first signal lines is electrically connected to the first electrode of each light-emitting part in a row of first lamp areas and a row of second lamp areas arranged along the extension direction of the first signal lines; A set of second signal lines is electrically connected to the second pole of each light-emitting part in a row of first lamp areas and a row of second lamp areas arranged along the extension direction of the second signal lines.
According to claim 7, the display substrate is characterized in that a set of first signal lines includes: one or two first signal lines; When there is only one first signal line in a set of first signal lines, the first signal line is electrically connected to the first electrode of each light-emitting part in a row of first lamp areas and a row of second lamp areas. When there are two first signal lines in a set of first signal lines, one first signal line is electrically connected to the first electrode of each first light-emitting part in a row of first lamp areas, and the other first signal line is electrically connected to the first electrode of each second light-emitting part in a row of second lamp areas.
According to claim 7, the display substrate is characterized in that a group of second signal lines includes: a plurality of second signal lines, and the number of second signal lines in a group of second signal lines is equal to the sum of the number of first light-emitting parts in a first lamp area and the number of second light-emitting parts in a second lamp area; A portion of the second signal lines in a group of second signal lines are connected to multiple second signal lines in the same first light zone. Each of the first light-emitting parts corresponds to one of the first light-emitting parts, and one of the second signal lines is electrically connected to the second electrode of each corresponding first light-emitting part in a row of the first light areas; another part of the second signal lines in a group of second signal lines corresponds to at least one second light-emitting part in the same second light area, and one of the second signal lines is electrically connected to the second electrode of each corresponding second light-emitting part in a row of the second light areas.
The display substrate according to any one of claims 7 to 9 is characterized in that the plurality of first lamp areas and the plurality of second lamp areas are arranged in multiple columns along a first direction and in multiple rows along a second direction; the first direction intersects the second direction; The first light zone and the second light zone are arranged alternately in multiple rows, and/or the first light zone and the second light zone are arranged alternately in multiple columns.
The display substrate according to claim 10 is characterized in that the extension direction of the first signal line is parallel to the first direction, and the extension direction of the second signal line is parallel to the second direction; Alternatively, the extension direction of the first signal line is parallel to the second direction, and the extension direction of the second signal line is parallel to the first direction.
The display substrate according to any one of claims 1 to 4 is characterized in that the back plate has a plurality of light-emitting lamp areas arranged in an array, the plurality of light-emitting lamp areas correspond one-to-one with the plurality of pixel groups and one-to-one with the plurality of second light-emitting parts, and each of the first light-emitting parts in the corresponding pixel group is distributed in the same light-emitting lamp area, and the corresponding second light-emitting parts are distributed therein.
According to claim 12, the display substrate is characterized in that the back plate integrates a plurality of first signal lines and a plurality of sets of second signal lines, wherein the extending direction of the first signal lines intersects the extending direction of the second signal lines; A first signal line is electrically connected to the first electrode of each light-emitting part in a row of light-emitting lamp areas arranged along the extension direction of the first signal line; A set of second signal lines includes multiple second signal lines, and the multiple second signal lines correspond one-to-one with multiple light-emitting parts in the same light-emitting lamp area. One second signal line is electrically connected to the second electrode of each corresponding light-emitting part in a row of light-emitting lamp areas arranged along the extension direction of the second signal line.
The display substrate according to any one of claims 7 to 9, 11, and 12 is characterized in that the back plate further integrates a plurality of first pad groups electrically connected to the plurality of first light-emitting parts in a one-to-one correspondence, and a plurality of second pad groups electrically connected to the plurality of second light-emitting parts in a one-to-one correspondence. The first pad group includes: a first electrode pad electrically connected to a first electrode of the first light-emitting part, and a second electrode pad electrically connected to a second electrode of the first light-emitting part; the second pad group includes: a third electrode pad electrically connected to a first electrode of the second light-emitting part, and a fourth electrode pad electrically connected to a second electrode of the second light-emitting part. The same first signal line is electrically connected to multiple first electrode pads and/or multiple third electrode pads; the same second signal line is electrically connected to multiple second electrode pads or multiple fourth electrode pads.
According to the display substrate of claim 14, a portion of the first signal line can serve as the first electrode pad and the third electrode pad; Both the second electrode pad and the fourth electrode pad are disposed on the same layer as the first signal line and are made of the same material.
According to the display substrate of claim 15, the first signal line has a first hollow groove and a second hollow groove, the second electrode pad is distributed in the first hollow groove, and the third electrode pad is distributed in the second hollow groove.
According to claim 16, the display substrate is characterized in that, when the substrate has a plurality of first lamp areas and a plurality of second lamp areas, the first hollow groove and the second hollow groove are separately disposed; When the substrate has multiple light-emitting areas, the first cutout groove is connected to the second cutout groove.
A display module, characterized in that it comprises: a housing, and a display substrate located on one side of the housing, wherein the display substrate is the display substrate according to any one of claims 1 to 17.
A display screen, characterized in that it comprises: a plurality of spliced display modules, wherein the display modules are the display modules of claim 18.
A shooting system, characterized in that it comprises: a processing device, a shooting device, and at least one display screen, wherein the display screen is the display screen as described in claim 19; The imaging device is configured to: capture images of a target object located on the light-emitting side of the display screen to obtain a first image and a second image, wherein the first image is an image captured by the imaging device when each display substrate in the display screen is in a display state, and the second image is an image captured by the imaging device when each display substrate in the display screen is in an illumination state; The processing device is configured to: acquire a target image containing the target object and the background image displayed on the display screen, based on the first image and the second image.

Description

Display substrate, display module, display screen and imaging system Technical Field This application relates to the field of display technology, and in particular to a display substrate, display module, display screen and shooting system. Background Technology With the development of display technology, LED chips have become the most advantageous next-generation display media due to their advantages such as pure color, wide dynamic range, high brightness, high definition, low operating voltage, low power consumption, long life, impact resistance, wide viewing angle, and stable and reliable operation. They have already been widely used. Summary of the Invention This application provides a display substrate, a display module, a display screen, and a shooting system. The technical solution is as follows: On one hand, a display substrate is provided, comprising: Back panel; A plurality of first light-emitting parts and a plurality of second light-emitting parts are located on one side of the back plate; the plurality of first light-emitting parts are divided into a plurality of pixel groups, and a pixel group includes at least two first light-emitting parts; the same pixel group is used to emit light of at least two colors, and the color of the light emitted by the second light-emitting parts is different from the color of the light emitted by each of the first light-emitting parts; The display substrate has a display state and an illumination state. When the display substrate is in the display state, at least a portion of the first light-emitting part emits light outward to make the display substrate display a screen. When the display substrate is in the illumination state, at least a portion of the second light-emitting part emits light outward, or at least a portion of the first light-emitting part and at least a portion of the second light-emitting part emit light outward simultaneously. Optionally, the pixel group emits at least two colors of light: red light, green light, and blue light. The light emitted from the second light-emitting part is white or orange. Optionally, when the light emitted by the second light-emitting unit is white, when the display is in the illumination state, each of the second light-emitting units emits light outward, and each of the first light-emitting units is in an off state. Optionally, when the color of the light emitted by the second light-emitting part is orange, when the display is in the illumination state, each of the second light-emitting parts emits light outward simultaneously. Optionally, when the display substrate is in the display state, at least a portion of the first light-emitting portion emits light outward, while each of the second light-emitting portions is in an off state. Optionally, the backplate has multiple first lamp zones arranged in an array and multiple second lamp zones arranged in an array, with multiple rows of first lamp zones and multiple rows of second lamp zones arranged alternately. The plurality of first light zones correspond one-to-one with the plurality of pixel groups, and each of the first light-emitting parts in the pixel group is distributed in the corresponding first light zone; the plurality of second light zones correspond to the plurality of second light-emitting parts, and at least one second light-emitting part is distributed in each second light zone. Optionally, the backplane integrates multiple sets of first signal lines and multiple sets of second signal lines, wherein the extension direction of the first signal lines intersects the extension direction of the second signal lines; A set of first signal lines is electrically connected to the first electrode of each light-emitting part in a row of first lamp areas and a row of second lamp areas arranged along the extension direction of the first signal lines; A set of second signal lines is electrically connected to the second pole of each light-emitting part in a row of first lamp areas and a row of second lamp areas arranged along the extension direction of the second signal lines. Optionally, a set of the first signal lines includes: one or two first signal lines; When there is only one first signal line in a set of first signal lines, the first signal line is electrically connected to the first electrode of each light-emitting part in a row of first lamp areas and a row of second lamp areas. When there are two first signal lines in a set of first signal lines, one first signal line is electrically connected to the first electrode of each first light-emitting part in a row of first lamp areas, and the other first signal line is electrically connected to the first electrode of each second light-emitting part in a row of second lamp areas. Optionally, a group of second signal lines includes multiple second signal lines, and the number of second signal lines in a group of second signal lines is equal to the number of first light-emitting parts in a first lamp area. The sum o