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Liquid crystal display device

A technology of liquid crystal display device and liquid crystal display panel, which is applied in the direction of circuit device, printed circuit grounding device, static indicator, etc., and can solve problems such as LCD device drive failure, abnormal timing controller signal, etc.

Inactive Publication Date: 2008-01-09
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

EMI makes the signal generated by the timing controller abnormal, resulting in a drive failure of the LCD device

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] The present invention is described more fully below with reference to the accompanying drawings that illustrate embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and will fully convey the scope of the invention to those skilled in the art. The size and relative sizes of layers and regions may be exaggerated in the drawings for clarity. Like reference numerals denote like elements in the drawings.

[0022] It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "located on," "connected to," or "coupled to" another element or layer, it can be directly located on, directly connected to, or directly coupled to the other element or layer. elements or layers, or intervening elements or layers may also be present. In contra...

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Abstract

The invention provides a liquid crystal display unit, which can prevent printed circuit board from being interfered by EM. The said liquid crystal display unit comprises LCD panel for displaying image; backlight assembly for lighting LCD panel; chassis for fixing panel and backlight assembly; a first printed circuit board mounted on the back of the chassis and for generating signal to be supplied to LCD panel based on the external input signal; and a first connector connecting with signal transmission film and the said signal transmission film for providing signal to the first printed circuit board; protecting envelope formed by electric conducting material and for protecting the top surface of the first printed circuit board; and a first conductive gluing piece between the first connector and protecting envelope and for discharging the electromagnetic wave from the first connector to the protecting envelope.

Description

[0001] Related Application Cross Reference [0002] This application claims the benefit of Korean Patent Application No. 10-2006-0062422 filed on July 4, 2006, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to a liquid crystal display (LCD) device, and more particularly, to an LCD device capable of protecting a printed circuit board from electromagnetic wave interference (EMI). Background technique [0004] In general, an LCD device includes an LCD panel to display images, a backlight assembly to supply light to the LCD panel, and a driving circuit to generate signals for driving the LCD panel. [0005] The driving circuit includes a gate driver, a data driver, a timing controller, and a driving voltage generator. [0006] The timing controller and the driving voltage generator may be mounted on a printed circuit board (PCB), and provide control signals and driving voltages to the gate driv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G02F1/1345
CPCH05K9/0054G02F2001/133612G02F2001/133334G02F1/133308G02F1/133334G02F1/133612H05K1/0215H05K1/147H05K2201/10128G02F1/1333H05K7/04
Inventor 郭忠悦郑在皓任东星李庠原
Owner SAMSUNG DISPLAY CO LTD
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