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Liquid crystal display device

A liquid crystal display and liquid crystal technology, applied in static indicators, instruments, transistors, etc., can solve problems such as flexible printed circuit board bonding and increased size of flexible printed circuit boards

Inactive Publication Date: 2006-04-05
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The increase in size of liquid crystal displays has resulted in an increase in the size of flexible printed wiring boards, thus making it difficult for OLB (Outer Lead Bonding) devices to bond flexible printed wiring boards to TFT substrates

Method used

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  • Liquid crystal display device
  • Liquid crystal display device
  • Liquid crystal display device

Examples

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Embodiment Construction

[0021] Embodiments of the present invention will be described below with reference to the drawings.

[0022] figure 2 is a cross-sectional view showing a liquid crystal display according to an embodiment of the present invention. Meanwhile, the description is described with respect to an embodiment of the present invention applied to a transmissive liquid crystal display.

[0023] The liquid crystal panel 40 includes: a TFT substrate 21 and an opposing substrate 22 interposed with a spacer 36 and bonded with a sealing compound 37 ; and a liquid crystal 42 sealed between the TFT substrate 21 and the opposing substrate 22 . The TFT substrate 21 is slightly larger than the opposite substrate 22 and partially extends beyond the opposite substrate 22 . The other components, and the gate driver board 23b on which the gate driver 23a is mounted, are connected to the extended portion of the TFT substrate 21 by using an ACF39 (Anisotropic Conductive Film), as will be described later...

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Abstract

The invention provides a liquid crystal display, wherein, a plurality of grid driver plates are connected with the first side of a TFT substrate, a wiring board which is made of a flexible printed wiring board is connected among the grid driver plates. And the lines arranged on the wiring board provide the connection between the adjacent grid driver plates. In the same way, a plurality of data driver plates are connected with the second side of the TFT substrate, a wiring board which is made of a flexible printed wiring board is connected among the data driver plates, and the lines arranged on the wiring board provide the connection between the adjacent data driver plates. Even if the surface plate is of a bigger size, using the invention can prevent the unevenness of color or brightness which is caused by the connection resistance between the input part and the driver plate and between the driver plates, thereby realizing excellent displaying quality.

Description

technical field [0001] The invention relates to an active matrix liquid crystal display, in particular to a liquid crystal display suitable for large screens. Background technique [0002] Liquid crystal displays have the advantage of being thin and lightweight, and allow low-voltage driving and thus low power consumption. Accordingly, liquid crystal displays are used in various electronic devices such as televisions, PCs (Personal Computers), PADs (Personal Digital Assistants), and mobile phones. In particular, an active-matrix liquid crystal display including a TFT (thin film transistor) having high driving performance compared with a CRT (cathode ray tube), and thus exhibiting excellent display characteristics (or called sub-pixels) and set to be used as switching elements. Therefore, active matrix liquid crystal displays have been widely used in fields where CRTs have been applied, such as desktop PCs and televisions. [0003] Generally, a liquid crystal display inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1345G02F1/133G02F1/136H01L29/786
CPCG02F1/13452G02F1/1345G02F1/133
Inventor 古越靖武
Owner SHARP KK
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