ACTIVE MATRIX TYPE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To reduce power consumption of an active matrix type display device, and also to highly integrate the circuit thereof. SOLUTION: A holding circuit 110 for holding a video signal is arranged for each pixel, and the video signal is displayed by switching between a normal operatio...

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Bibliographische Detailangaben
1. Verfasser:	MIYAJIMA KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce power consumption of an active matrix type display device, and also to highly integrate the circuit thereof. SOLUTION: A holding circuit 110 for holding a video signal is arranged for each pixel, and the video signal is displayed by switching between a normal operation mode and a memory operation mode. By arranging the holding circuit 110 to be superimposed on a pixel electrode 17, and superimposing adjacent pixels on the circuit, a space factor of the circuit arrangement is improved and the circuit area of the holding circuit 110 is reduced. Especially, in a reflection type LCD, the arrangement of superimposing the holding circuit 110 on a reflecting display electrode 17 does not cause a decrease in an opening ratio due to the holding circuit, and the reflection type LCD can be made to be a display device of a higher opening ratio. Superposition of the holding circuit by two adjacent pixels makes it possible to arrange the circuit to be point- symmetric, and improves a design effect. Superposition of three adjacent pixels improves the space factor further.