Optical compensation method and device, display device, display method and storage medium

1. An optical compensation method for a display panel, comprising:

obtaining a pre-stored compensation parameter of the display panel;

obtaining a current brightness level of the display panel;

adjusting the pre-stored compensation parameter based on the current brightness level to obtain an adjusted compensation parameter; and

compensating a display data signal of the display panel based on the adjusted compensation parameter,

wherein a calculation formula for compensating the display data signal of the display panel based on the adjusted compensation parameter is expressed as:

Y=aX+b 2,

where Y represents a compensated pixel voltage, X represents an initial pixel voltage of the display panel, a represents a first optical compensation parameter, and b2 represents an adjusted compensation parameter and is determined based on the current brightness level of the display panel,

wherein the adjusted compensation parameter is expressed as:

b 2 =b 1 *c

where b1 represents a second optical compensation parameter, c represents an offset-scalar and is determined based on the current brightness level of the display panel.

2. The optical compensation method according to claim 1 , wherein an adjustment amplitude for adjusting the pre-stored compensation parameter decreases as the current brightness level increases.

3. The optical compensation method according to claim 2 , further comprising:

determining whether the current brightness level of the display panel is lower than a threshold brightness;

adjusting the pre-stored compensation parameter based on the current brightness level in a case where the current brightness level of the display panel is lower than the threshold brightness; and

in the case where the current brightness level of the display panel is not lower than the threshold brightness, not adjusting.

4. The optical compensation method according to claim 2 , wherein the display panel comprises a plurality of display areas,

the pre-stored compensation parameter, the current brightness level, and the adjusted compensation parameter correspond to at least one display area, and the display data signal of the at least one display area is compensated based on the adjusted compensation parameter.

5. The optical compensation method according to claim 4 , further comprising:

obtaining an adjusted compensation parameter of each of the plurality of display areas respectively; and

compensating the display data signal of each of the plurality of display areas respectively.

6. The optical compensation method according to claim 2 , further comprising:

determining whether the brightness of the display panel has been instructed to change;

acquiring a brightness level, which the display panel is currently instructed to present, as the current brightness level in a case where the brightness of the display panel has been instructed to change; and

adjusting the pre-stored compensation parameter based on the current brightness level to obtain the adjusted compensation parameter.

7. The optical compensation method according to claim 1 , wherein predetermined offset-scalars corresponding to different brightness levels of the display panel are stored in a lookup table correspondingly with the different brightness levels of the display panel, and the optical compensation method further comprises:

obtaining, from the lookup table, the offset-scalar corresponding to the current brightness level.

8. The optical compensation method according to claim 1 , wherein a range of variation of the offset-scalar varies between 0.5 times and 5 times.

9. The optical compensation method according to claim 1 , further comprising:

determining whether the current brightness level of the display panel is lower than a threshold brightness;

adjusting the pre-stored compensation parameter based on the current brightness level in a case where the current brightness level of the display panel is lower than the threshold brightness; and

in the case where the current brightness level of the display panel is not lower than the threshold brightness, not adjusting.

10. The optical compensation method according to claim 1 , wherein the display panel comprises a plurality of display areas,

the pre-stored compensation parameter, the current brightness level, and the adjusted compensation parameter correspond to at least one display area, and the display data signal of the at least one display area is compensated based on the adjusted compensation parameter.

11. The optical compensation method according to claim 10 , further comprising:

obtaining an adjusted compensation parameter of each of the plurality of display areas respectively; and

compensating the display data signal of each of the plurality of display areas respectively.

12. The optical compensation method according to claim 1 , further comprising:

determining whether the brightness of the display panel has been instructed to change;

acquiring a brightness level, which the display panel is currently instructed to present, as the current brightness level in a case where the brightness of the display panel has been instructed to change; and

adjusting the pre-stored compensation parameter based on the current brightness level to obtain the adjusted compensation parameter.

13. A display method for a display panel, comprising:

compensating the display data signal of the display panel by using the optical compensation method according to claim 1 ; and

performing a display operation using the compensated display data signal.

14. An optical compensation device for a display panel, comprising:

a processor;

a memory, non-transitorily storing at least one computer program module, wherein the at least one computer program module is configured to be executed by the processor, the at least one computer program module comprising instructions for performing the optical compensation method for a display panel of claim 1 .

15. A storage medium, non transitorily storing computer readable instructions, wherein the non-transitory computer readable instructions, when executed by a computer, implement an optical compensation method for a display panel according to claim 1 .

16. An optical compensation device for a display panel, comprising:

a compensation parameter acquisition circuit, which is configured to acquire a pre-stored compensation parameter of the display panel;

a brightness level acquisition circuit, which is configured to acquire a current brightness level of the display panel;

a compensation parameter adjustment circuit, which is configured to adjust the pre-stored compensation parameter based on the current brightness level to obtain an adjusted compensation parameter; and

a compensation circuit, which is configured to compensate the display data signal of the display panel based on the adjusted compensation parameter,

wherein a calculation formula for compensating the display data signal of the display panel based on the adjusted compensation parameter is expressed as:

Y=aX+b 2,

where Y represents a compensated pixel voltage, X represents an initial pixel voltage of the display panel, a represents a first optical compensation parameter, and b2 represents an adjusted compensation parameter and is determined based on the current brightness level of the display panel,

wherein the adjusted compensation parameter is expressed as:

b 2 =b 1 *c

where b1 represents a second optical compensation parameter, c represents an offset-scalar and is determined based on the current brightness level of the display panel.

17. A display device, comprising the optical compensation device for the display panel of claim 16 .