Granted Patent B2

US 12,614,495 · App. 18/631,161 · Granted Apr 28, 2026

Inventors: Xiaojie Zhong (Shenzhen, CN); Yufeng Jin (Shenzhen, CN); Xinyi Kang (Shenzhen, CN); Lingmin Guo (Shenzhen, CN); Rong Su (Shenzhen, CN); Shunqiang You (Shenzhen, CN)

Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

G09G3/2074G09G2320/0233G09G2320/0242G09G2360/16

Abstract

Claims (53)

1 . A method for generating compensation data, which is applied to a display panel, the display panel comprising a display area, the display area comprising a first area and a second area, a size of the first area being smaller than a size of the second area, the method for generating the compensation data comprising:

acquiring pieces of standard optical data of the display panel corresponding to standard pictures, and pieces of first actual optical data of the first area corresponding to the standard pictures;

generating corresponding pieces of first compensation data according to a first compensation rule, the pieces of standard optical data, and the pieces of first actual optical data;

compensating the display panel according to the pieces of first compensation data, and acquiring pieces of second actual optical data of the second area in the compensated display panel corresponding to the standard pictures; and

generating corresponding second pieces of compensation data according to a second compensation rule, the pieces of standard optical data, and the pieces of second actual optical data, a compensation accuracy of the second compensation rule being less than a compensation accuracy of the first compensation rule;

wherein a number of the standard pictures is greater than one, and the generation of the corresponding pieces of first compensation data according to the first compensation rule, the pieces of standard optical data, and the pieces of first actual optical data comprises:

generating a plurality of compensation coordinates corresponding to a plurality of the standard pictures according to the first compensation rule, a plurality of the pieces of standard optical data of the display panel corresponding to the plurality of the standard pictures, and a plurality of the pieces of first actual optical data of the first area corresponding to the plurality of the standard pictures, each of the compensation coordinates comprising a plurality of first compensation elements, the plurality of compensation coordinates constituting the pieces of first compensation data;

wherein the generation of corresponding pieces of second compensation data according to the second compensation rule, the pieces of standard optical data, and the pieces of second actual optical data comprises:

selecting a portion of the standard pictures as reference standard pictures;

generating at least one corresponding compensation matrix according to the second compensation rule, a plurality of the pieces of standard optical data of the display panel that respectively corresponds to a plurality of the reference standard pictures, and a plurality of the pieces of second actual optical data of the second area that respectively corresponds to the plurality of the reference standard pictures, wherein the at least one compensation matrix each comprise a plurality of second compensation elements, the at least one compensation matrix constitute the pieces of second compensation data, and a total number of the second compensation elements corresponding to the plurality of the standard pictures is smaller than a total number of the first compensation elements corresponding to the plurality of the standard pictures.

2 . The method for generating the compensation data of claim 1 , wherein the generation of the plurality of compensation coordinates corresponding to the plurality of the standard pictures according to the first compensation rule, the plurality of the pieces of standard optical data of the display panel corresponding to the plurality of the standard pictures, and the plurality of the pieces of first actual optical data of the first area corresponding to the plurality of the standard pictures comprises:

determining pieces of first standard optical data corresponding to the first area according to the pieces of standard optical data and positional data of the first area in the display area;

generating a transition compensation coordinate according to the first compensation rule, the pieces of first standard optical data each corresponding to a respective one of the standard pictures, and the pieces of first actual optical data corresponding to the standard pictures;

compensating the first area according to the transition compensation coordinate, and acquiring pieces of third actual optical data of the compensated first area corresponding to the standard pictures;

calculating a first difference between the pieces of third actual optical data and the pieces of first standard optical data, and determining the transition compensation coordinate as the compensation coordinate of the first area when an absolute value of the first difference is less than a first error threshold.

3 . The method for generating the compensation data of claim 1 , wherein the generation of the at least one corresponding compensation matrix according to the second compensation rule, the plurality of the pieces of standard optical data of the display panel that respectively corresponds to the plurality of the reference standard pictures, and the plurality of the pieces of second actual optical data of the second area that respectively corresponds to the plurality of the reference standard pictures comprises:

determining pieces of second standard optical data corresponding to the second area according to the pieces of standard optical data and positional data of the second area in the display area;

generating at least one transition compensation matrix according to the second compensation rule, a plurality of the pieces of second standard optical data corresponding to the plurality of the reference standard pictures, and the plurality of the pieces of second actual optical data corresponding to the plurality of the reference standard pictures;

compensating the second area according to the transition compensation matrix, and acquiring pieces of fourth actual optical data of the compensated second area corresponding to the standard pictures;

calculating a second difference between the pieces of fourth actual optical data and the pieces of second standard optical data, and determining the transition compensation matrix as the compensation matrix when an absolute value of the second difference is less than a second error threshold.

4 . The method for generating the compensation data of claim 3 , wherein the second area comprises a plurality of unit areas, the pieces of second compensation data comprising pieces of second compensation sub-data respectively corresponding to the plurality of unit areas, the pieces of second actual optical data comprising pieces of second actual optical sub-data respectively corresponding to the plurality of unit areas, the pieces of second standard optical data comprising pieces of second standard optical sub-data respectively corresponding to the plurality of unit areas; for each of the unit areas, a respective one of the pieces of second compensation sub-data being determined according to the second compensation rule, a respective one of the pieces of second standard optical sub-data corresponding to the unit area, and a respective one of the pieces of second actual optical sub-data corresponding to the unit area.

5 . The method for generating the compensation data of claim 1 , wherein the acquisition of the pieces of first actual optical data of the first area corresponding to the standard pictures comprises:

acquiring pieces of initial display data corresponding to the standard pictures;

acquiring pieces of optical data of a displayed picture of the first area under control of the pieces of initial display data as the pieces of first actual optical data;

wherein the acquisition of the pieces of second actual optical data of the second area in the compensated display panel corresponding to the standard pictures comprises:

determining corresponding pieces of transition display data according to the pieces of initial display data and the pieces of first compensation data;

acquiring pieces of optical data of a displayed picture of the second area under control of the pieces of transition display data as the pieces of second actual optical data.

6 . The method for generating the compensation data of claim 1 , wherein the first area is a central area of the display area and the second area is disposed around the central area.

7 . The method for generating the compensation data of claim 6 , wherein the generation of the plurality of compensation coordinates corresponding to the plurality of the standard pictures according to the first compensation rule, the plurality of the pieces of standard optical data of the display panel corresponding to the plurality of the standard pictures, and the plurality of the pieces of first actual optical data of the first area corresponding to the plurality of the standard pictures comprises:

determining pieces of first standard optical data corresponding to the first area according to the pieces of standard optical data and positional data of the first area in the display area;

generating a transition compensation coordinate according to the first compensation rule, the pieces of first standard optical data each corresponding to a respective one of the standard pictures, and the pieces of first actual optical data corresponding to the standard pictures;

compensating the first area according to the transition compensation coordinate, and acquiring pieces of third actual optical data of the compensated first area corresponding to the standard pictures;

calculating a first difference between the pieces of third actual optical data and the pieces of first standard optical data, and determining the transition compensation coordinate as the compensation coordinate of the first area when an absolute value of the first difference is less than a first error threshold.

8 . The method for generating the compensation data of claim 6 , wherein the generation of the at least one corresponding compensation matrix according to the second compensation rule, the plurality of the pieces of standard optical data of the display panel that respectively corresponds to the plurality of the reference standard pictures, and the plurality of the pieces of second actual optical data of the second area that respectively corresponds to the plurality of the reference standard pictures comprises:

determining pieces of second standard optical data corresponding to the second area according to the pieces of standard optical data and positional data of the second area in the display area;

generating at least one transition compensation matrix according to the second compensation rule, a plurality of the pieces of second standard optical data corresponding to the plurality of the reference standard pictures, and the plurality of the pieces of second actual optical data corresponding to the plurality of the reference standard pictures;

compensating the second area according to the transition compensation matrix, and acquiring pieces of fourth actual optical data of the compensated second area corresponding to the standard pictures;

calculating a second difference between the pieces of fourth actual optical data and the pieces of second standard optical data, and determining the transition compensation matrix as the compensation matrix when an absolute value of the second difference is less than a second error threshold.

9 . The method for generating the compensation data of claim 8 , wherein the second area comprises a plurality of unit areas, the pieces of second compensation data comprising pieces of second compensation sub-data respectively corresponding to the plurality of unit areas, the pieces of second actual optical data comprising pieces of second actual optical sub-data respectively corresponding to the plurality of unit areas, the pieces of second standard optical data comprising pieces of second standard optical sub-data respectively corresponding to the plurality of unit areas; for each of the unit areas, a respective one of the pieces of second compensation sub-data being determined according to the second compensation rule, a respective one of the pieces of second standard optical sub-data corresponding to the unit area, and a respective one of the pieces of second actual optical sub-data corresponding to the unit area.

10 . The method for generating the compensation data of claim 6 , wherein the acquisition of the pieces of first actual optical data of the first area the display panel corresponding to the standard pictures comprises:

acquiring pieces of initial display data corresponding to the standard pictures;

acquiring pieces of optical data of a displayed picture of the first area under control of the pieces of initial display data as the pieces of first actual optical data;

wherein the acquisition of the pieces of second actual optical data of the second area in the compensated display panel corresponding to the standard pictures comprises:

determining corresponding pieces of transition display data according to the pieces of initial display data and the pieces of first compensation data;

acquiring pieces of optical data of a displayed picture of the second area under control of the pieces of transition display data as the pieces of second actual optical data.

11 . A system for generating compensation data, which is applied to a display panel, the display panel comprising a display area, the display area comprising a first area and a second area, a size of the first area being smaller than a size of the second area, the system for generating compensation data comprising:

an optical instrument configured to acquire pieces of first actual optical data of the first area corresponding to standard pictures;

a computer configured to acquire pieces of standard optical data of the display panel corresponding to the standard pictures;

wherein the computer is further configured to generate corresponding pieces of first compensation data according to a first compensation rule, the pieces of standard optical data, and the pieces of first actual optical data;

wherein the computer is further configured to compensate the display panel according to the pieces of first compensation data;

wherein the optical instrument is further configured to acquire pieces of second actual optical data of the second area in the compensated display panel corresponding to the standard pictures;

wherein the computer is further configured to generate corresponding pieces of second compensation data according to a second compensation rule, the pieces of standard optical data, and the pieces of second actual optical data, wherein a compensation accuracy of the second compensation rule is less than a compensation accuracy of the first compensation rule;

wherein the computer is further configured to generate a compensation file applied to the display panel according to the pieces of first compensation data and the pieces of second compensation data.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (11)