Colorimeter correction method, device and system

Abstract

The invention discloses a colorimeter correction method, device and system. The device comprises a communication interface, a MCU, a constant current source array, LED array driving and an LED light source. The communication interface is used for communicating with a PC and receiving a spectrum parameter. The MCU is used for controlling each path of voltage output in the constant current source array. The constant current source array is used for outputting a current to each path in the LED array driving according to the control of the MCU. The LED array driving is used for driving an LED to give out light according to the current size output by the constant current source array. The LED light source is used for emitting a light beam. In the invention, the correction work of the n channelsof a single colorimeter can be rapidly completed, single equipment can simulate the spectral characteristics of a plurality of displays, and the adjustment and calibration work of the single colorimeter can be completed in a short time. The factory efficiency and the regular correction efficiency of the colorimeter are increased.

Description

technical field [0001] The invention relates to the technical field of liquid crystal module chromaticity correction, and specifically refers to a chromaticity correction method, device and system. Background technique [0002] Liquid crystal module manufacturers correct the chromaticity value of the display module through a colorimeter. The colorimeter is composed of multiple tristimulus value sensors, and there is a problem of device consistency among different tristimulus value sensors. The commonly used correction method is to simultaneously collect the chromaticity value of the liquid crystal module by a high-precision chromaticity meter and a low-precision chromaticity meter, and then perform correction by comparing the collected values ​​of the high-precision chromaticity meter and the low-precision chromaticity meter. The defect of this method is that a colorimeter has multiple correction parameter storage channels. For example, the ca310 colorimeter contains 99 chan...

AI Technical Summary

Problems solved by technology

The defect of this method is that a colorimeter has multiple correction parameter storage channels. For example, the ca310 colorimeter contains 99 channels to be corrected, each channel corresponds to a type of display module parameter, and each correction parameter is stored The channel needs to be connected and corrected with a high-precision colorimeter (such as cs2000), a low-precision colorimeter, and this type of module. The operation is complicated, the cost is high, and the efficiency is low

Images