COMPOSITE SHEET FOR CHANGING VIEWING ANGLE AND DISPLAY DEVICE USING THE SAME

The present invention provides composite sheet for changing a viewing angle and a display device using the same. The composite sheet includes: an electrically conductive lower substrate and an upper substrate; a light direction adjusting layer which is disposed between the lower substrate and the up...

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Bibliographische Detailangaben
Hauptverfasser:	UM, SANG YEOL, LEE, MUN BOK, LEE, SEUNG CHUL
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 GENERAL PROCESSES OF COMPOUNDING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides composite sheet for changing a viewing angle and a display device using the same. The composite sheet includes: an electrically conductive lower substrate and an upper substrate; a light direction adjusting layer which is disposed between the lower substrate and the upper substrate and in which anisotropic molecules are dispersed in a binder resin; and a partition wall layer which is laminated on one side of the lower substrate or the upper substrate and includes a pattern in which a dark region for blocking or absorbing light and a bright region for transmitting light alternate with each other. The composite sheet of the present invention and the display device using the same can easily adjust a viewing angle magnification mode and a reduction mode electrically according to the choice of a user while minimizing luminance reduction. 본 발명에서는 전기전도성 하판기재와 상판기재; 상기 하판기재와 상판기재 사이에 위치하고, 이방성 분자가 바인더 수지 내에 분산된 광방향 조절층; 및 상기 하판기재 또는 상판기재의 일면에 적층되고, 빛을 차단 또는 흡수할 수 있는 암영역과 빛이 투과할 수 있는 명영역이 교대로 교차하는 패턴을 포함하는 격벽층;을 포함하는 시야각 조절용 복합시트 및 이를 이용한 디스플레이 장치를 제공한다. 본 발명의 복합시트 및 이를 이용한 디스플레이 장치는, 휘도 감소를 최소화시키면서 전기적으로 시야각 확대모드와 축소모드를 사용자의 선택에 따라 용이하게 조절할 수 있다.