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A kind of burning method of LCD screen power consumption data

A technology of electricity consumption data and uniformity, applied in the direction of instruments, static indicators, nonlinear optics, etc., can solve the problems of unavoidable manpower and equipment costs, high equipment costs, production capacity and quality impact, and reduce the loss of programming omissions Risk, manpower and equipment cost reduction effects

Active Publication Date: 2019-11-29
L&T DISPLAY TECH FUJIAN
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Problems solved by technology

[0006] However, the first method requires the development of automatic programming equipment, which is expensive and requires a manpower to place and remove the chip. The cost of manpower and equipment is unavoidable; although the second method does not require the development of expensive automatic programming equipment, manual Burning is not only slow, but also omissions occur, which has a great impact on production capacity and quality. In order to adapt to mass production, additional manpower is required

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  • A kind of burning method of LCD screen power consumption data

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] The invention provides a method for burning electricity data of a liquid crystal screen, which is characterized in that: the electricity data and display function data are compiled into the same software, and then the software is burned into a flash memory chip, and after the whole machine is assembled, The control chip of the main board sends an instruction to the flash memory chip to burn the power consumption data into the driving voltage chip.

[0018] Please refer to figure 1 ,Specific steps are as follows:

[0019] Step S1: Directly bond the driving voltage chip with the preset 7-byte power data initial value to the panel PCB, and no longer burn the power data of the driving voltage chip before and after bonding. , carry out the next step of welding, and then proceed to the assembly of the liquid crystal display module, because the drivin...

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Abstract

The invention relates to a method for burning electricity data of liquid crystal display screen. The method is characterized in that the electricity data and displayer function data are compiled into the same software, and then the software is burned in a flash memory chip; after whole machine assembly, a control chip of a mainboard sends an instruction to the flash memory chip to burn the electricity data in a driving voltage chip. By the adoption of the method, the labor and equipment costs are reduced, and the burning omitting risk is reduced.

Description

technical field [0001] The invention relates to a method for burning electricity data of a liquid crystal screen. Background technique [0002] Now the driving voltage IC (Power IC) on the display panel (Panel) circuit in the industry has gradually used a programmable IC, because this technology can precisely adjust the driving voltage V_lcd of the Panel by burning 7 Power Data bytes to the Power IC , Vcom, Gamma voltage and row drive signal to achieve performance stability. [0003] Therefore, display manufacturers currently introduce the method of burning Power Data to realize the burning function before panel production. The existing burning methods in the industry are as follows: [0004] 1. Before SMT mounting on the Panel PCB, use an automatic programming device to burn the Power Data to the Power IC, and then attach it to the PCB. [0005] 2. SMT the Power IC to the PCB board first, and then manually burn the Power Data on each board. [0006] However, the first me...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13G09G3/36
CPCG02F1/1303G09G3/36
Inventor 曾伟陈新平
Owner L&T DISPLAY TECH FUJIAN