IP Library › Granted Patent US 12,462,764
Granted Patent B2
US 12,462,764 · App. 18/574,157 · Granted Nov 4, 2025

Adjusting parameters of a display panel comprising gray coefficient and white point position

Inventors: Jingyong Li (Beijing, CN); Baojun Zheng (Beijing, CN)
Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.; Beijing BOE Technology Development Co., Ltd.
G09G3/3413G09G3/3607G09G2320/0247G09G2320/0626G09G2320/0666G09G2320/0693G09G2340/06
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Quick Facts
Patent No.
US 12,462,764
App. No.
18/574,157
Granted
Nov 4, 2025
Kind
B2
Abstract

An adjusting method of a display panel, an adjusting apparatus of a display panel, an electronic device, a computer-readable storage medium. The adjusting method includes: acquiring a detection coordinate value of a white point of the display panel in work; determining a target adjustment mode from at least two adjustment modes according to the detection coordinate value, in which the at least two adjustment modes include a first adjustment mode and a second adjustment mode; adjusting some of parameters on the basis of the target adjustment mode, the parameters of the display panel include a grayscale coefficient and a white point setting position, adjusting the grayscale coefficient and taking the detection coordinate value as the white point setting position in the first adjustment mode, adjusting the grayscale coefficient and adjusting the white point setting position according to the detection coordinate value in the second adjustment mode.

Claims (71)

1 . An adjusting method for a display panel, comprising:

acquiring a detection coordinate value of a white point of the display panel in operation;

determining a target adjustment mode from at least two adjustment modes according to the detection coordinate value, wherein the at least two adjustment modes comprise a first adjustment mode and a second adjustment mode; and

adjusting at least some parameters of the display panel on a basis of the target adjustment mode, wherein the at least some parameters of the display panel comprise a grayscale coefficient and a white point setting position, adjusting the grayscale coefficient and taking the detection coordinate value as the white point setting position in the first adjustment mode, and adjusting the grayscale coefficient and adjusting the white point setting position according to the detection coordinate value in the second adjustment mode;

the determining of the target adjustment mode from the at least two adjustment modes according to the detection coordinate value comprises: acquiring a desired coordinate range of the white point;

the adjusting of at least some of the parameters of the display panel on the basis of the target adjustment mode comprises: determining a target coordinate value of the white point according to the detection coordinate value, wherein the target coordinate value is in the desired coordinate range;

the desired coordinate range is from a first boundary coordinate to a second boundary coordinate in a first direction and from a third boundary coordinate to a fourth boundary coordinate in a second direction, the first boundary coordinate is less than the second boundary coordinate and the third boundary coordinate is less than the fourth boundary coordinate;

the detection coordinate value comprises a first detection coordinate and a second detection coordinate; and

the determining of the target coordinate value of the white point according to the detection coordinate value comprises:

if the first detection coordinate is in the desired coordinate range and the second detection coordinate is greater than the fourth boundary coordinate, taking the first detection coordinate and the fourth boundary coordinate as the target coordinate value;

if the first detection coordinate is in the desired coordinate range and the second detection coordinate is less than the third boundary coordinate, taking the first detection coordinate and the third boundary coordinate as the target coordinate value;

if the second detection coordinate is in the desired coordinate range and the first detection coordinate is greater than the second boundary coordinate, taking the second boundary coordinate and the second detection coordinate as the target coordinate value; and

if the second detection coordinate is in the desired coordinate range and the first detection coordinate is less than the first boundary coordinate, taking the first boundary coordinate and the second detection coordinate as the target coordinate value.

2 . The adjusting method according to claim 1 , wherein the determining of the target adjustment mode from the at least two adjustment modes according to the detection coordinate value further comprises:

determining the first adjustment mode to be the target adjustment mode in a case where the detection coordinate value is in the desired coordinate range.

3 . The adjusting method according to claim 2 , wherein the acquiring of the desired coordinate range of the white point comprises:

acquiring a preset coordinate value and a permissible offset value of the white point; and

determining the desired coordinate range according to the preset coordinate value and the permissible offset value.

4 . The adjusting method according to claim 3 , wherein the determining of the target coordinate value of the white point according to the detection coordinate value comprises:

determining a point within the desired coordinate range that is closest in distance to the detection coordinate value; and

taking a coordinate of the closest point as the target coordinate value.

5 . The adjusting method according to claim 3 , further comprises:

after adjusting at least some of the parameters of the display panel, recording an acquired grayscale coefficient in a first storage location and recording the acquired white point setting position in a second storage location.

6 . The adjusting method according to claim 5 , wherein the recording of the acquired white point setting position in the second storage location comprises:

checking whether the adjusted white point setting position is located at the target coordinate value after adjusting the white point setting position; and

if the adjusted white point setting position is located at the target coordinate value, recording the adjusted white point setting position in the second storage location.

7 . The adjusting method according to claim 2 , wherein the adjusting of the at least some of the parameters of the display panel on the basis of the target adjustment mode further comprises:

adjusting the white point setting position according to the target coordinate value so that the adjusted white point setting position is located at the target coordinate value.

8 . The adjusting method according to claim 1 , wherein the determining of the target adjustment mode from the at least two adjustment modes according to the detection coordinate value further comprises:

determining the second adjustment mode to be the target adjustment mode in a case where the detection coordinate value is outside the desired coordinate range.

9 . The adjusting method according to claim 8 , wherein the acquiring of the desired coordinate range of the white point comprises:

acquiring a preset coordinate value and a permissible offset value of the white point; and

determining the desired coordinate range according to the preset coordinate value and the permissible offset value.

10 . The adjusting method according to claim 8 , wherein the adjusting of the at least some of the parameters of the display panel on the basis of the target adjustment mode further comprises:

adjusting the white point setting position according to the target coordinate value so that the adjusted white point setting position is located at the target coordinate value.

11 . The adjusting method according to claim 1 , wherein the adjusting of at least some of the parameters of the display panel on the basis of the target adjustment mode further comprises:

adjusting the white point setting position according to the target coordinate value so that the adjusted white point setting position is located at the target coordinate value.

12 . The adjusting method according to claim 11 , wherein the determining of the target coordinate value of the white point according to the detection coordinate value comprises:

if the first detection coordinate is greater than the second boundary coordinate and the second detection coordinate is greater than the fourth boundary coordinate, taking the second boundary coordinate and the fourth boundary coordinate as the target coordinate value;

if the first detection coordinate is less than the first boundary coordinate and the second detection coordinate is less than the third boundary coordinate, taking the first boundary coordinate and the third boundary coordinate as the target coordinate value;

if the first detection coordinate is greater than the second boundary coordinate and the second detection coordinate is less than the third boundary coordinate, taking the second boundary coordinate and the third boundary coordinate as the target coordinate value; and

if the first detection coordinate is less than the first boundary coordinate and the second detection coordinate is greater than the fourth boundary coordinate, taking the first boundary coordinate and the fourth boundary coordinate as the target coordinate value.

13 . The adjusting method according to claim 1 , wherein the acquiring of the detection coordinate value of the white point of the display panel in operation comprises:

adjusting backlight luminance of the display panel to a preset luminance range; and

determining the detection coordinate value of the white point on the basis of collected optical information of a white screen of the display panel.

14 . The adjusting method according to claim 13 , wherein the acquiring of the detection coordinate value of the white point of the display panel in operation comprises:

adjusting flicker of the display panel to a preset flicker range.

15 . An electronic device, comprising:

a processor; and

a memory, storing one or more computer program modules;

wherein the one or more computer program modules are configured to be executed by the processor to implement the adjusting method of the display panel according to claim 1 .

16 . A non-transitory computer-readable storage medium, storing an instruction, the instruction being executed by a computer to implement the adjusting method of the display panel according to claim 1 .

17 . An adjusting method of a display panel, comprising:

acquiring a detection coordinate value of a white point of a display panel in operation;

acquiring a preset coordinate value and a permissible offset value of the white point; and determining a desired coordinate range according to the preset coordinate value and the permissible offset value;

if the detection coordinate value is in the desired coordinate range, taking the detection coordinate value as a target coordinate value;

if the detection coordinate value is located outside the desired coordinate range, determining the target coordinate value on a basis of a distance between the detection coordinate value and the desired coordinate range, adjusting the white point setting position according to the target coordinate value, checking whether the white point is located at the position where the target coordinate value is located, if the white point is not located at the position where the target coordinate value is located, adjusting the white point setting position according to the target coordinate value, and if the white point is located at the position where the target coordinate value is located, recording the adjusted white point setting position in the second storage location.

18 . An adjusting apparatus of a display panel, comprising:

an acquisition module, configured to acquire a detection coordinate value of a white point of a display panel in operation;

a determination module, configured to determine a target adjustment mode from at least two adjustment modes according to the detection coordinate value, wherein the at least two adjustment modes comprise a first adjustment mode and a second adjustment mode; and

an adjustment module, configured to adjust at least some parameters of the display panel on a basis of the target adjustment mode,

wherein the at least some parameters of the display panel comprise grayscale coefficient and white point setting position, adjusting the grayscale coefficient and taking the detection coordinate value as the white point setting position in the first adjustment mode, and adjusting the grayscale coefficient and adjusting the white point setting position according to the detection coordinate value in the second adjustment mode;

the determination module is further configured to acquire a desired coordinate range of the white point;

the adjustment module is further configured to determine a target coordinate value of the white point according to the detection coordinate value, wherein the target coordinate value is in the desired coordinate range;

the desired coordinate range is from a first boundary coordinate to a second boundary coordinate in a first direction and from a third boundary coordinate to a fourth boundary coordinate in a second direction, the first boundary coordinate is less than the second boundary coordinate and the third boundary coordinate is less than the fourth boundary coordinate;

the detection coordinate value comprises a first detection coordinate and a second detection coordinate; and

the adjustment module is further configured to:

if the first detection coordinate is in the desired coordinate range and the second detection coordinate is greater than the fourth boundary coordinate, take the first detection coordinate and the fourth boundary coordinate as the target coordinate value;

if the first detection coordinate is in the desired coordinate range and the second detection coordinate is less than the third boundary coordinate, take the first detection coordinate and the third boundary coordinate as the target coordinate value;

if the second detection coordinate is in the desired coordinate range and the first detection coordinate is greater than the second boundary coordinate, take the second boundary coordinate and the second detection coordinate as the target coordinate value; and

if the second detection coordinate is in the desired coordinate range and the first detection coordinate is less than the first boundary coordinate, take the first boundary coordinate and the second detection coordinate as the target coordinate value.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 72880 FRAME: 816. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNORS INTEREST. Recorded Nov 17, 2025
From: BOE TECHNOLOGY GROUP CO., LTD.
To: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Reel/Frame 073593/0910 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2025
From: BOE TECHNOLOGY GROUP CO., LTD.
To: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Reel/Frame 072880/0816 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 26, 2023
From: LI, JINGYONG; ZHENG, BAOJUN
To: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 065953/0033 →
Continuity (1)
Related Publication 20250104656A1 · Mar 27, 2025
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