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Liquid crystal display and a method for manufacturing the same

A technology of liquid crystal display device and manufacturing method, applied in semiconductor/solid-state device manufacturing, static indicators, optics, etc., capable of solving problems such as small capacitance

Inactive Publication Date: 2004-12-01
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the capacitance between the pixel electrode and the storage electrode is small and negligible because the interlayer insulating film and the passivation film are each about 5000 Å thicker than the gate insulating film 500-3000 Å thick.

Method used

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  • Liquid crystal display and a method for manufacturing the same
  • Liquid crystal display and a method for manufacturing the same
  • Liquid crystal display and a method for manufacturing the same

Examples

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Embodiment Construction

[0082] The invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, the invention may be carried out in different ways 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 complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity.

[0083] The structure and driving method of the liquid crystal display device (LCD) according to the first embodiment will be described below.

[0084] In the first embodiment, the silicon layer opposite the storage electrode remains undoped and functions as one electrode of the storage capacitor.

[0085] figure 2 is the LCD layout diagram according to the first embodiment of the present invention, image 3 is along figu...

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Abstract

A source electrode and a metal pattern for a storage capacitor are formed on an insulating substrate, a silicon layer having a doped source region and a doped drain region is formed on the substrate and the source and the drain regions directly contact to the source electrode and the metal pattern. A gate insulating film is formed thereon, and a storage electrode is formed on the gate insulating film opposite the metal pattern. A passivation film covering the storage electrode is formed and the pixel electrode is formed thereon. The pixel electrode is directly connected to the drain region or to the metal pattern.

Description

[0001] This application is a divisional application of the application filed on December 30, 1998 with the application number 98127172.3 and the title of the invention "liquid crystal display device and its manufacturing method and driving method". technical field [0002] The present invention relates to a liquid crystal display device including a storage capacitor, a manufacturing method and a driving method thereof. Background technique [0003] Generally, a thin film transistor liquid crystal display device (TFT-LCD) includes data lines for transmitting display signals, gate lines for transmitting scan signals, thin film transistors (TFTs) as switching devices, liquid crystal capacitors, and storage capacitors. TFT-LCD can be divided into two modes according to the structure of the storage capacitor. One mode has an isolated storage line connected to the storage electrode, while the other mode connects the storage capacitor to the previous gate line. [0004] The princi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/136G02F1/133G02F1/1362G02F1/1368
CPCH01L27/13G02F1/136213H01L27/12G02F1/1368H01L27/1255
Inventor 郑柄厚黄长元裵秉成
Owner SAMSUNG DISPLAY CO LTD