Display device, controlling method and apparatus, display apparatus, and computer storage medium

Patent metadata

Field	Value
Publication number	US-12354555-B2
Application number	US-202218282247-A
Country	US
Kind code	B2
Filing date	Nov 25, 2022
Priority date	Nov 25, 2022
Publication date	Jul 8, 2025
Grant date	Jul 8, 2025

Abstract

Provided is a display device. The display device includes a control assembly and a display panel; wherein the display panel includes a display region and drive circuits, wherein the drive circuits include a first drive circuit and a second drive circuit that are respectively disposed on two sides of the display region, and an aperture area is defined in the display region, wherein a distance between the aperture area and the first drive circuit is less than a distance between the aperture area and the second drive circuit; and the control assembly is connected to the display panel, and configured to: determine a target region where the aperture area is located; acquire a display control signal; and control the drive circuits to drive a first target region of the aperture area and a second target region of the aperture area.

First claim

The invention claimed is:

1. A display device, comprising: a control assembly and a display panel; wherein
the display panel comprises a display region and drive circuits, wherein the drive circuits comprise a first drive circuit and a second drive circuit that are respectively disposed on two sides of the display region, and an aperture area is defined in the display region, wherein a distance between the aperture area and the first drive circuit is less than a distance between the aperture area and the second drive circuit; and
the control assembly is connected to the display panel, and configured to:
determine a target region where the aperture area is located, wherein the target region is a part of the display region comprising the aperture area in a first direction, the first direction being an arrangement direction of the first drive circuit and the second drive circuit;
acquire a display control signal; and
control the drive circuits based on the display control signal to drive, in response to different drive signals, a first target region on a first side, proximal to the first drive circuit, of the aperture area and a second target region on a second side, proximal to the second drive circuit, of the aperture area, such that a luminance difference between the first target region on the first side and the second target region on the second side is decreased,
wherein the display panel comprises a routine region clock signal line and two target region clock signal lines, and the display region comprises a first display region and a second display region that are spaced by the target region, wherein the routine region clock signal line is connected to the first display region and the second display region, and the two target region clock signal lines are connected to the drive circuits on two sides of the target region; and
the control assembly is configured to:
control the first target region on the first side and the second target region on the second side based on the display control signal by the two target region clock signal lines, such that an on duration of a drive signal on the first target region on the first side in each period is less than an on duration of a drive signal on the second target region on the second side in each period; and
control the first display region and the second display region by the routine region clock signal line.

2. The display device according to claim 1 , wherein the control assembly is configured to control the drive circuits based on the display control signal, such that a strength of a drive signal on the first target region on the first side is greater than a strength of a drive signal on the second target region on the second side.

3. The display device according to claim 2 , wherein the control assembly is configured to control the drive circuits based on the display control signal, such that at least one of following conditions is met: the strength of the drive signal on the first target region on the first side being increased, or the strength of the drive signal on the second target region on the second side being decreased.

4. The display device according to claim 2 , wherein
the first target region on the first side comprises a plurality of first sub-regions, and strengths of drive signals on the plurality of first sub-regions are positively correlated with distances between the plurality of first sub-regions and the first drive circuit; and
the second target region on the second side comprises a plurality of second sub-regions, and strengths of drive signals on the plurality of second sub-regions are positively correlated with distances between the plurality of second sub-regions and the second drive circuit.

5. The display device according to claim 1 , wherein the control assembly is configured to control the drive circuits based on the display control signal, such that an on duration of a drive signal on the first target region on the first side in each period is less than an on duration of a drive signal on the second target region on the second side in each period.

6. The display device according to claim 5 , wherein the control assembly is configured to control the drive circuits based on the display control signal, such that at least one of following conditions is met: the on duration of the drive signal on the first target region on the first side being increased, or the on duration of the drive signal on the second target region on the second side being decreased.

7. The display device according to claim 1 , wherein the control assembly is configured to control the drive circuits based on the display control signal, such that a strength of a drive signal on the first target region on the first side is greater than a strength of a drive signal on the second target region on the second side, and an on duration of the drive signal on the first target region on the first side in each period is less than an on duration of the drive signal on the second target region on the second side in each period.

8. The display device according to claim 1 , wherein a plurality of light-emitting units arranged in columns and rows are disposed in the display region, and a row arrangement direction of the plurality of light-emitting units is parallel to the first direction; wherein
the two target region clock signal lines are respectively connected to a drive circuit corresponding to a first row of light-emitting units in the target region and a drive circuit corresponding to a last row of light-emitting units in the target region;
the routine region clock signal line is connected to a drive circuit corresponding to a first row of light-emitting units in the first display region and a drive circuit corresponding to a last row of light-emitting units in the first display region, and
the routine region clock signal line is connected to a drive circuit corresponding to a first row of light-emitting units in the second display region and a drive circuit corresponding to a last row of light-emitting units in the second display region.

9. The display device according to claim 1 , wherein the display panel comprises a routine region clock signal line and two target region clock signal lines, wherein the routine region clock signal line is connected to drive circuits on two sides of a routine region in the display region other than the target region, and the two target region clock signal lines are connected to the drive circuits on two sides of the target region; and
the control assembly is further configured to:
input an initial clock signal to the two target region clock signal lines based on the display control signal, and input an adjust clock signal to at least one of the two target region clock signal lines, wherein the adjust clock signal is superposed with the initial clock signal, such that an on duration of a drive signal on the first target region on the first side in each period is less than an on duration of a drive signal on the second target region on the second side in each period; and
control the routine region by the routine region clock signal line.

10. The display device according to claim 9 , wherein a plurality of light-emitting units arranged in columns and rows are disposed in the display region, and a row arrangement direction of the plurality of light-emitting units is parallel to the first direction; wherein
the two target region clock signal lines are respectively connected to a drive circuit corresponding to a first row of light-emitting units in the target region and a drive circuit corresponding to a last row of light-emitting units in the target region; and
the routine region clock signal line is connected to a drive circuit corresponding to

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Liu Lianbin
• Liang Hengzhen
• Liu Tingliang
• Yang Huijuan
• Yao Jianli
• Wang Xinpeng
• Xiao Yunhan
• Deng Yingjun
• Wei Qinghu
• Min Hang

Classifications

• G09G3/20

  for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} · CPC title

• G09G3/32

  semiconductive, e.g. using light-emitting diodes [LED] · CPC title

• G09G2320/0686

  with two or more screen areas displaying information with different brightness or colours · CPC title

• G09G2320/0233

  Improving the luminance or brightness uniformity across the screen · CPC title

• G09G2310/08

  Details of timing specific for flat panels, other than clock recovery · CPC title