Method of correcting brightness of electronic display

摘要

The present invention discloses a method of brightness correction for the electronic display, which consists of the following steps: take pictures of the electronic display; get the characteristic values of all the light-emitting components in the pictures; calculate the correction values of each light-emitting component with the characteristic values; correct the brightness of the display with the correction values. The present invention reduces the time cost of measuring the actual brightness values of the light-emitting components, and improves the efficiency of correcting the brightness uniformity of the electronic display.

主权项

1. A method of correcting brightness of an electronic display that consists of a plurality of light-emitting components, comprising the steps of:
A. capturing an imaging picture of the display, said capturing step comprising the following steps: A1. fixing photographic distance between the display and imaging units; A2. fixing photographic brightness of the electronic display; A3. focusing on the imaging units; A4. fixing photographic parameters of the imaging units; and A5. taking one or more photos of the electronic display by the imaging units to get the imaging picture of the display;
wherein steps A1 to A4 are not needed to be implemented in a particular order and can be implemented repeatedly or at the same time; B. getting characteristic parameters of each of the light-emitting components in the imaging picture of the display, said getting step comprising the following steps: B1. fixing locations of each of the light-emitting components at the imaging picture of the display; B2. fixing an imaging region of each of the light-emitting components at the imaging picture of the display; and B3. getting a grey value of each pixel in the imaging region of each of the light-emitting components and calculate the characteristic parameters of each of the light-emitting components; C. calculating a correction value of each of the light-emitting components with the characteristic parameters of each of the light-emitting components; and D. correcting the brightness of each of the light-emitting components with the correction value.