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A kind of lcm testing machine

A testing machine and single chip technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of inability to test a variety of LCM products, and achieve the effects of convenient operation, increased storage capacity, and improved detection efficiency

Active Publication Date: 2017-02-22
ANHUI GOLDEN VISION OPTOELECTRONICS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of LCM testing machine, improve the existing testing efficiency, solve the problem that the existing LCM testing machine cannot test multiple LCM products

Method used

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  • A kind of lcm testing machine
  • A kind of lcm testing machine
  • A kind of lcm testing machine

Examples

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Embodiment Construction

[0017] Examples such as Figures 1 to 2 As shown, the LCM testing machine in this preferred embodiment includes a central processing module 1 , a negative pressure control module 2 electrically connected to the central processing module, a docking module 3 and a calling module 4 .

[0018] Central processing module 1 comprises single-chip microcomputer 11, memory 12 and data buffer module 13 that are connected to each other in pairs; Said single-chip microcomputer 11 is used for calling the program in memory, controls the work of data buffer module, and receives the information of data buffer module, memory feedback The data buffer module 13 is used to read the driver program of the memory 12 and is connected in series with the docking module; the signal output end of the memory 12 is connected to the signal input end of the data buffer module 13 .

[0019] The negative pressure control module 2 is used to convert the positive pressure input into a negative pressure, and is co...

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Abstract

An LCM (Liquid Crystal Display Module) testing machine comprises a central processing module, a negative pressure control module, a butt joint module and a calling module, wherein the central processing module comprises a single chip microcomputer, a storage and a data buffering module, which are connected with each other in pairs; the negative pressure control module is used for converting the input positive pressure into negative pressure, and connected with a to-be-tested LCM; the butt joint module comprises a 20 pin output module and a 26 pin output module which are connected in parallel; the 20 pin output module or the 26 pin output module is respectively and correspondingly connected with pins of the to-be-tested LCM; the calling module comprises a model calling unit and an A / D conversion circuit which are connected with the single chip microcomputer, and a control display screen connected with the single chip microcomputer through the A / D conversion circuit. Through the arrangement of the data buffering module connected with the single chip microcomputer and the storage for data storage, the testing of various models of LCMs is realized, and programs of various product models are directly called after being written, so that the operation of workers is facilitated, and the testing efficiency is improved greatly.

Description

technical field [0001] The invention relates to a testing instrument, in particular to an LCM testing machine. Background technique [0002] The liquid crystal call module is "Liquid Crystal Display Module", referred to as "LCM", which is a component that assembles liquid crystal display devices, connectors, integrated circuits, PCB circuit boards, backlight sources, and structural parts. Only by applying the electric field signal of the driving circuit to the ITO conductive electrode can the display of the display device be realized. Therefore, LCM is to connect the conductive electrode of the liquid crystal display device with the electric field signal of the driving circuit to realize the required display content. [0003] With the rapid development of the information industry, the demand for supporting liquid crystal call modules has increased rapidly, especially the proportion of monochrome liquid crystal modules, CSTN liquid crystal modules, and TFT liquid crystal modu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13G01R31/00
Inventor 方勇茂游仁文
Owner ANHUI GOLDEN VISION OPTOELECTRONICS TECH
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