Patent ID: 11967264
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A method for obtaining correspondences between grayscales and grayscale voltages, the method comprising:
obtaining grayscale voltage values corresponding to at least two first grayscales in a plurality of grayscales, wherein the plurality of grayscales further include a plurality of second grayscales between two adjacent first grayscales;
obtaining grayscale voltage values in a one-to-one correspondence with the plurality of second grayscales between the two adjacent first grayscales according to the two adjacent first grayscales and grayscale voltage values corresponding to the two adjacent first grayscales, wherein in a coordinate system formed by grayscales and grayscale voltage values, a connecting line formed by sequentially connecting the grayscale voltage values corresponding to the plurality of second grayscales is nonlinear; and
obtaining a set of correspondences according to the plurality of grayscales and a plurality of grayscale voltage values corresponding to the plurality of grayscales, wherein the set of correspondences includes the plurality of grayscales and a plurality of register values in a one-to-one correspondence with the plurality of grayscales, and each register value is used to represent a grayscale voltage value of a respective grayscale; wherein
a second grayscale, a grayscale voltage value corresponding to the second grayscale and the two adjacent first grayscales and the grayscale voltage values corresponding to the two adjacent first grayscales satisfy a formula:
wherein V3 represents the grayscale voltage value corresponding to the second grayscale, V2 and V1 represent the grayscale voltage values corresponding to the two adjacent first grayscales, G3 represents the second grayscale, G2 and G1 represent the two adjacent first grayscales, β represents a preset parameter, and the preset parameter is greater than 1 or less than 1;
in a case where the preset parameter is greater than 1, the connecting line formed by sequentially connecting the grayscale voltage values corresponding to the plurality of second grayscales is nonlinear; or, in a case where the preset parameter is less than 1, the connecting line formed by sequentially connecting the grayscale voltage values corresponding to the plurality of second grayscales is nonlinear.