METHOD FOR FABRICATING LCD SIMPLIFY PROCESSES BY CONSIDERABLY REDUCING THE NUMBER OF MASKS

PURPOSE: A method for fabricating an LCD(Liquid Crystal Display) is provided to simplify processes by considerably reducing the number of masks for fabricating a TFT(Thin Film Transistor). CONSTITUTION: The first mask is applied to form a gate electrode(301) on a substrate(300). A gate insulation fi...

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Bibliographische Detailangaben
Hauptverfasser:	CHO, HEUNG RYEOL, RYU, SUN SEONG, JANG, YUN GYEONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE: A method for fabricating an LCD(Liquid Crystal Display) is provided to simplify processes by considerably reducing the number of masks for fabricating a TFT(Thin Film Transistor). CONSTITUTION: The first mask is applied to form a gate electrode(301) on a substrate(300). A gate insulation film and an active layer are successively formed on the gate electrode. A PR(PhotoResist) is coated on the active layer, and the second mask is applied to remove the PR of a source/drain region part. The active layer which exists in the source/drain region part is removed. Source and drain electrodes(306a,306b) are formed on the result material. A protective film(307) and a PR are successively formed on the result material, and the third mask is applied to define a pixel region part. The protective film, the active layer and the gate insulation film which exist on the pixel region are removed. A pixel electrode(309a) is formed on the result material.