Display screen layering correction method and device

• Main Author: ZHOU JINZHI
• Format: Patent
• Language: Chinese; English
• Published: 09.10.2020
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

The invention provides a display screen layering correction method and device, and the method comprises the steps: dividing the gray scale of a display screen into a first gray scale and a second grayscale comprising a plurality of layers of gray stages according to a preset gray scale segmentation strategy, wherein the first gray scale is a low gray scale, and the second gray scale is a high gray scale; obtaining a current gray scale of the display screen, and judging whether the current gray scale is within a second gray scale range or not; if the current gray scale is within the second gray scale range, judging the gray stage where the current gray scale is located, obtaining a correction coefficient according to the gray stage and the preset corresponding relation between the gray stage and the correction coefficient, and correcting the lamp point brightness of the display screen according to the correction coefficient. The device comprises a gray scale segmentation module, a current gray scale acquisitio