Liquid crystal module testing device

A liquid crystal module and testing device technology, applied in nonlinear optics, instruments, optics, etc., can solve the problems of large errors and low test accuracy, and achieve the effects of narrowing the adjustment range, convenient adjustment, and rapid adjustment

Active Publication Date: 2013-04-03
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the test flicker degree of the existing liquid crystal module is manually adjusted by adjusting the voltage and observed by human eyes, which has the defect of large error, which makes the test accuracy not high

Method used

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Embodiment Construction

[0028] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0029] Such as figure 1 As shown, it is a schematic structural diagram of the test device of the first embodiment of the present invention. The test device of this embodiment includes a lighting module 100, a flicker acquisition module 200, a voltage module 300 and a control module 400, and the liquid crystal module 500 is used as the measuring unit. The lighting module 100 is used to connect with the liquid crystal module 500 to be tested to light the liquid crystal module and input a test picture. The scintillation acquisition module 200 is used to connect with the liquid crystal module 500 to be tested to acquire the scintillation of the liquid crystal module. The voltage module 300 is used to connect with the liquid crystal module to be tested and ...

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Abstract

The invention provides a liquid crystal module testing device. The liquid crystal module testing device comprises a lightening module, a flicker degree acquisition module, a voltage module and a control module, wherein the lightening module is used for being connected with a liquid crystal module to be tested, lightening the liquid crystal module, and providing a test picture for the liquid crystal module, the flicker degree acquisition module is used for acquiring the flicker degree of the liquid crystal module, the voltage module is used for being connected with the liquid crystal module to be tested and supplying voltage to the liquid crystal module, and the control module is connected with the flicker degree acquisition module and the voltage module respectively and used for controlling output voltage of the voltage module and receiving the flicker degree of the liquid crystal module, acquired by the flicker degree acquisition module, under corresponding voltage. According to the liquid crystal module testing device, the voltage of the liquid crystal module to be tested is controlled, the flicker degree acquisition module is used for acquiring the flicker degree of the liquid crystal module, and the flicker degree acquisition and voltage control are achieved through intelligent control, so that the best required set voltage value corresponding to the best flicker value of the liquid crystal module can be accurately judged.

Description

technical field [0001] The invention relates to the testing field of liquid crystal modules, in particular to an automatic testing device for liquid crystal modules. Background technique [0002] A liquid crystal display (LCD, Liquid Crystal Display) has been widely used due to its light weight, power saving, and no radiation. The flicker of the liquid crystal display (Flicker) is due to the change caused by the fluctuation of the brightness on the same time axis. For this reason, the flickering degree of the liquid crystal module needs to be pre-adjusted before leaving the factory. [0003] In the current mainstream panel design, the voltage of the common electrode (Vcom) is fixed, and then the voltage of the display electrode is constantly switched up and down according to the gray scale. At the same time, under the influence of the feedback voltage, the optimal Vcom voltage drifts. On the flickering display of the LCD module, there is generally a special flicker screen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13
CPCG09G3/006G09G2320/0247
Inventor 张雄健
Owner BOE TECH GRP CO LTD
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