LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a reflection type and semi-transmission type LCD which has a high aperture ratio and whose power consumption is low. SOLUTION: A 1st substrate 40 is equipped with TFTs as switching elements provided to each pixel. An auxiliary capacitor CSC is composed of an active l...

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Bibliographische Detailangaben
1. Verfasser:	MIYAJIMA KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	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 FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a reflection type and semi-transmission type LCD which has a high aperture ratio and whose power consumption is low. SOLUTION: A 1st substrate 40 is equipped with TFTs as switching elements provided to each pixel. An auxiliary capacitor CSC is composed of an active layer 42 of a TFT, a silicon thin film 43 as a common layer, an auxiliary capacitance line formed by patterning a 1st metallic layer 46 laminated across a gate insulating film 44. An inter-layer insulating film 48 and a flattening insulating film 54 are laminated in order covering the auxiliary capacitance line 26. A reflecting layer 56 and a pixel electrode 28 are provided on the flattening insulating film 54. Consequently, the auxiliary capacitance line is not a disturbance to the aperture of a pixel in a reflection type area where the reflection layer 56 is formed and a transmission type area where the reflection layer 56 is not formed. COPYRIGHT: (C)2006,JPO&NCIPI