IP Library › Granted Patent US 11,567,781
Granted Patent B2
US 11,567,781 · App. 16/647,131 · Granted Jan 31, 2023

Drive control method and apparatus, and display device

Inventors: Shuhuan Yu (Beijing, CN); Xin Duan (Beijing, CN)
Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
G06F9/4411G06F9/3836G06F9/44505G06F9/44563G09G3/2096G09G3/3688G09G2340/16G09G2370/10
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Quick Facts
Patent No.
US 11,567,781
App. No.
16/647,131
Granted
Jan 31, 2023
Kind
B2
Abstract

Disclosed are a drive control method and apparatus and a display device. The drive control method may be applied to a controller, and include: adding at least one configuration instruction into a target region of one row of data to obtain a target row of data, wherein the configuration instruction is intended for self-configuration of a drive parameter by a first driver chip, and the target region includes at least one of a blank region and a region where display data is located; and sending the target row of data to the first driver chip.

Claims (71)

1. A drive control method, being applied to a controller, the method comprising:

adding at least one configuration instruction into a target region of one row of data to obtain a target row of data, wherein the target region comprises at least one of a blank region and a region where display data is located; and

sending the target row of data to a first driver chip, wherein the configuration instruction is intended for self-configuration of a drive parameter by the first driver chip,

wherein adding the at least one configuration instruction into the target region of the row of data to obtain the target row of data comprises:

determining at least one region to be adjusted in the region where the display data is located; and

with respect to each of the at least one region to be adjusted, adding a configuration instruction that matches the region to be adjusted to a position before and adjacent to the region to be adjusted in the target region,

wherein determining the at least one region to be adjusted in the region where the display data is located comprises at least one of:

in response to one piece of data in the region where the display data is located corresponds to a charging-current rise phase, determining the region where the piece of data is located as a region to be adjusted, wherein the configuration instruction is a charging-current increase instruction; and

in response to another piece of data in the region where the display data is located corresponds to a charging-current retention phase or a charging-current drop phase, determining the region where another piece of data is located as a region to be adjusted, wherein the configuration instruction is a charging-current decrease instruction,

wherein adding the at least one configuration instruction into the target region of the row of data to obtain the target row of data comprises:

adding at least one configuration set into the target region of the row of data to obtain the target row of data;

wherein each of the at least one configuration set comprises the configuration instruction and an instruction identifier adjacent to and before or after the configuration instruction, the instruction identifier being intended to indicate a position of the configuration instruction,

wherein each of the at least one instruction identifier is constituted by at least two different K-codes.

2. The method according to claim 1 , wherein the region where the display data is located comprises a plurality of sub-regions; and determining the at least one region to be adjusted in the region where the display data is located comprises:

sequentially detecting whether data in each of the sub-regions meets a parameter adjustment condition; and

determining a region where data meets the parameter adjustment condition as the region to be adjusted.

3. The method according to claim 2 , wherein the parameter adjustment condition is an overdrive condition; and the configuration instruction is an overdrive configuration instruction, the overdrive configuration instruction being intended to instruct the first driver chip to perform at least one parameter configuration operation of impedance adjustment and signal swing adjustment; and

before sending the target row of data to the first driver chip, the method further comprises: replacing data in the region to be adjusted with overdrive data.

4. The method according to claim 2 , wherein the parameter adjustment condition is an overdrive condition; and the configuration instruction is an overdrive configuration instruction, the overdrive configuration instruction being intended to instruct the first driver chip to adjust a drive current.

5. The method according to claim 2 , wherein the parameter adjustment condition, the configuration instruction and the first driver chip fall within one of the following relationships:

the controller is connected to a plurality of driver chips by data lines, a switch being disposed between a data line connected to the first driver chip and a data line connected to a second driver chip, the second driver chip being one driver chip, adjacent to the first driver chip, in the plurality of driver chips, the parameter adjustment condition is a charge-sharing condition, and the configuration instruction is a charge-sharing instruction; and

the first driver chip is a source driver chip of a liquid crystal display screen, the parameter adjustment condition is a polarity inversion condition, and the configuration instruction is a polarity inversion instruction.

6. A drive control apparatus, being applied to a controller, the apparatus comprising:

a processor; and

a memory operable to store an instruction executable by the processor;

wherein the processor is operable to perform the drive control method as defined in claim 1 .

7. A computer-readable storage medium, wherein at least one instruction is stored in the computer-readable storage medium, and the computer-readable storage medium, when running on a processing component, causes the processing component to perform one of the drive control method as defined in claim 1 .

8. A drive control method, being applied to a first driver chip, the method comprising:

receiving a target row of data sent by a controller, wherein the target row of data is row data obtained by adding, by the controller, at least one configuration instruction into a target region of one row of data, the target region comprising at least one of a blank region and a region where display data is located; and

self-configuring a drive parameter based on the configuration instruction of the target row of data, and driving a display panel based on display data of the target row of data,

wherein self-configuring the drive parameter based on the configuration instruction of the target row of data comprises at least one of:

increasing a drive current of the first driver chip in a case that a charging-current increase instruction is detected in the target row of data; and

decreasing the drive current of the first driver chip in a case that a charging-current decrease instruction is detected in the target row of data,

wherein after receiving the target row of data sent by the controller, the method further comprises:

each time one instruction identifier is detected, determining an instruction adjacent to and after or before the instruction identifier as a configuration instruction, wherein the instruction identifier is intended to indicate a position of the configuration instruction,

wherein each of the at least one instruction identifier is constituted by at least two different K-codes.

9. The method according to claim 8 , wherein the region where the display data is located comprises a plurality of sub-regions; and self-configuring the drive parameter based on the configuration instruction of the target row of data comprises:

with respect to each of the sub-regions, in a case that a configuration instruction is located before and adjacent to the sub-region in the target region, self-configuring a drive parameter based on the configuration instruction.

10. The method according to claim 9 , further comprising:

restoring the drive parameter thereof to an initial drive parameter after self-configuring the drive parameter based on the configuration instruction and driving the display panel based on the data in the sub-region each time.

11. The method according to claim 8 , wherein self-configuring the drive parameter based on the configuration instruction comprises at least one of:

performing at least one parameter configuration operation of impedance adjustment and signal swing adjustment in a case that the configuration instruction is an overdrive configuration instruction;

adjusting a drive voltage in a case that the configuration instruction is an overdrive configuration instruction;

controlling a switch to be turned on in a case that the configuration instruction is a charge-sharing instruction, wherein the controller is connected to a plurality of driver chips by data lines, and the switch is disposed between a data line connected to the first driver chip and a data line connected to a second driver chip, the second driver chip being one driver chip, adjacent to the first driver chip, in the plurality of driver chips; and

reversing a direction of an electric field loaded into a liquid crystal layer in a case that the configuration instruction is a polarity inversion instruction, wherein the first driver chip is a source driver chip of a liquid crystal display screen.

12. A drive control apparatus, being applied to a controller, the apparatus comprising:

a processor; and

a memory operable to store at least one instruction executable by the processor;

wherein the processor is operable to perform the drive control method as defined in claim 10 .

13. A display device, comprising a controller and a plurality of driver chips; wherein

the controller comprises a first processor and a first memory operable to store at least one instruction executable by the first processor; wherein the first processor is operable to:

add at least one configuration instruction in a target region of one row of data to obtain a target row of data, wherein the target region comprises at least one of a blank region and a region where display data is located; and

send the target row of data to a first driver chip, wherein the configuration instruction is intended to for self-configuration of a drive parameter by the first driver chip,

wherein adding the at least one configuration instruction into the target region of the row of data to obtain the target row of data comprises:

determining at least one region to be adjusted in the region where the display data is located; and

with respect to each of the at least one region to be adjusted, adding a configuration instruction that matches the region to be adjusted to a position before and adjacent to the region to be adjusted in the target region,

wherein determining the at least one region to be adjusted in the region where the display data is located comprises at least one of:

in a case that one piece of data in the region where the display data is located corresponds to a charging-current rise phase, determining the region where the piece of data is located as a region to be adjusted, wherein the configuration instruction is a charging-current increase instruction; and

in a case that another piece of data in the region where the display data is located corresponds to a charging-current retention phase or a charging-current drop phase, determining the region where another piece of data is located as a region to be adjusted, wherein the configuration instruction is a charging-current decrease instruction,

wherein adding the at least one configuration instruction into the target region of the row of data to obtain the target row of data comprises:

adding at least one configuration set into the target region of the row of data to obtain the target row of data;

wherein each of the at least one configuration set comprises the configuration instruction and an instruction identifier adjacent to and before or after the configuration instruction, the instruction identifier being intended to indicate a position of the configuration instruction,

wherein each of the at least one instruction identifier is constituted by at least two different K-codes; and

each of the plurality of driver chips comprises a second processor and a second memory operable to store at least one instruction executable by the second processor; wherein the second processor is operable to:

receive a target row of data sent by the controller, wherein the target row of data is a row of data obtained by adding by the controller at least one configuration instruction in a target region of one row of data, the target region comprising at least one of a blank region and a region where display data is located; and

self-configure a drive parameter for the first diver chip based on the configuration instruction for the target row of data, and drive a display panel based on display data of the target row of data,

wherein self-configuring the drive parameter based on the configuration instruction of the target row of data comprises at least one of:

increasing a drive current of the first driver chip in a case that a charging-current increase instruction is detected in the target row of data; and decreasing the drive current of the first driver chip in a case that a charging-current decrease instruction is detected in the target row of data,

wherein after receiving the target row of data sent by the controller, the second processor is further operable to:

each time one instruction identifier is detected, determining an instruction adjacent to and after or before the instruction identifier as a configuration instruction, wherein the instruction identifier is intended to indicate a position of the configuration instruction,

wherein each of the at least one instruction identifier is constituted by at least two different K-codes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2020
From: YU, SHUHUAN; DUAN, XIN
To: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 052164/0128 →
Priority Claims (1)
CN 201810428187.3 · May 7, 2018 · national
Continuity (1)
Related Publication 20210157608A1 · May 27, 2021