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High light transmittance in-plane switching liquid crystal display device and method for manufacturing the same

A liquid crystal display and manufacturing method technology, applied in semiconductor/solid-state device manufacturing, optics, nonlinear optics, etc., can solve the problems of low aperture ratio of horizontal electric field type LCD, achieve large size and resolution, reduce parasitic capacitance, high The effect of transmittance

Active Publication Date: 2012-05-23
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, because the aperture ratio of the horizontal electric field type LCD is low, it is necessary to develop advanced technology to increase the aperture ratio

Method used

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  • High light transmittance in-plane switching liquid crystal display device and method for manufacturing the same
  • High light transmittance in-plane switching liquid crystal display device and method for manufacturing the same
  • High light transmittance in-plane switching liquid crystal display device and method for manufacturing the same

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Embodiment Construction

[0029] Now reference includes Figure 1 to Figure 7 The enclosed drawings explain preferred embodiments of the invention. figure 1 is a plan view for showing a horizontal electric field type liquid crystal display device according to the present invention.

[0030] refer to figure 1 , The horizontal electric field type liquid crystal display device according to the present invention includes a liquid crystal display panel having two glass substrates and a liquid crystal layer interposed between the two glass substrates. The liquid crystal display panel includes a thin film transistor array substrate with a plurality of thin film transistors, and a color filter array substrate with a plurality of color filters. For the liquid crystal display panel according to the first embodiment, the explanation will be made mainly using the thin film transistor array substrate.

[0031] The thin film transistor array substrate according to the present invention includes gate lines GL exte...

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Abstract

The present disclosure relates to a high light transmittance in-plan switching liquid crystal display device and a method for manufacturing the same. The liquid crystal display device includes: a substrate; a gate line disposed in horizontal direction on the substrate; a gate insulating layer covering the gate line; a data line disposed in vertical direction on the gate insulating layer; an additional insulating layer on the data line having same size and shape with the data line; a passivation layer covering the additional insulating layer; and a common electrode overlapping with the data line on the passivation layer. According to the present disclosure, the failure due to the parasitic capacitance and the load for driving the display panel are reduced and it is possible to make large and high definition display panel.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2010-0108586 filed on November 3, 2010, which is hereby incorporated by reference as if fully set forth herein. technical field [0002] The invention relates to an in-plane switching mode liquid crystal display device with high light transmittance and a manufacturing method thereof. In particular, the present invention relates to a fringe electric field type liquid crystal display device with reduced capacitance between a data line and a common electrode and a method of manufacturing the same. Background technique [0003] A liquid crystal display device (LCD) presents video data by controlling the light transmittance of a liquid crystal layer under the action of an electric field. According to the direction of the electric field, LCDs can be divided into two categories: one is the vertical electric field type, and the other is the horizontal electric field type. [0004] For the vertical electri...

Claims

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Application Information

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IPC IPC(8): G02F1/1362G02F1/1343G02F1/1333H01L27/12H01L21/77
CPCH01L27/1288G02F1/133345H01L29/4908H01L33/0041G02F2001/13606G02F1/134363G02F1/13606G02F1/1343G02F1/13439G02F1/136286G02F1/134372
Inventor 郭喜荣赵兴烈
Owner LG DISPLAY CO LTD