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LCD device

A technology of liquid crystal display and liquid crystal display panel, which is applied in the direction of static indicators, instruments, etc.

Inactive Publication Date: 2010-09-29
INNOCOM TECH (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the problem of inaccurate programming of public voltage parameters in prior art liquid crystal displays, it is necessary to provide a liquid crystal display with accurate programming of public voltage parameters

Method used

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Embodiment Construction

[0018] see image 3 , is a schematic structural view of a preferred embodiment of the liquid crystal display of the present invention. The liquid crystal display 2 includes a liquid crystal display panel 21 and a driver chip 20 pressed on the liquid crystal display panel 21 . The driving chip 20 drives the liquid crystal display panel 21 to display, and the common voltage parameters programmed in the driving chip 20 affect the image display of the liquid crystal display panel 21 .

[0019] see again Figure 4 ,yes image 3 A schematic diagram of the programming circuit of the drive chip 20 is shown. The programming circuit 40 includes a programming power interface 42 , a switch unit 43 , a programming resistor 44 , a control circuit 45 , a filter capacitor 46 and a one-time programming unit 49 . The switch unit 43 is a field effect transistor, which has a gate, a source and a drain (not shown). The programming power interface 42 is grounded via the source and drain of the...

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Abstract

The invention discloses a liquid crystal display, which includes a liquid crystal display panel, a drive chip which drives the liquid crystal display panel and a burn recording circuit which is composed of a burn recording power interface, a disposable programmable unit, a switch unit and a control circuit; wherein the burn recording power interface is grounded via the disposable programmable unit, so that burn recording electric signals are converted to common voltage parameters and stored in the drive chip; the control circuit controls the switch unit to further control connection or disconnection of the burn recording circuit. The liquid crystal display of the invention can accurately burn record the common voltage parameters.

Description

technical field [0001] The invention relates to a liquid crystal display. Background technique [0002] Due to the characteristics of low radiation, light and thin volume, and low power consumption, liquid crystal displays are widely used, and with the maturity and innovation of related technologies, their types are also becoming more and more diverse. The liquid crystal display relies on the display voltage provided by the outside world, so that the liquid crystal molecules are deflected, thereby controlling the brightness of the liquid crystal display. [0003] In order to prevent the liquid crystal molecules from aging due to the electric field in the same direction, currently, the industry generally provides several ways of inverting the positive and negative polarities of the voltage to solve the above problems. For example, frame inversion (Frame Inversion), row inversion (Row Inversion) or column inversion (Column Inversion), etc., but each of the above-mentioned way...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/133G09G3/36
Inventor 周伟
Owner INNOCOM TECH (SHENZHEN) CO LTD
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