LIGHT LEAKAGE FREE LIQUID CRYSTAL DISPLAY DEVICE WITH LARGE SIZE AND THIN THICKNESS

PURPOSE: A light leakage free liquid crystal display device is provided to control a bending direction of a liquid crystal panel by designing the contraction rates of polarization plates of upper/lower substrates to reduce the degree of bending the liquid crystal panel, thereby reducing light leakag...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIM, DONG MYOUNG, PARK, JUN BAEK, SHIM, JONG PIL, OH, JAE HOON
Format:	Patent
Sprache:	eng ; kor
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:	PURPOSE: A light leakage free liquid crystal display device is provided to control a bending direction of a liquid crystal panel by designing the contraction rates of polarization plates of upper/lower substrates to reduce the degree of bending the liquid crystal panel, thereby reducing light leakage. CONSTITUTION: An upper polarization plate(101) and a lower polarization plate(111) have phase difference films, protective films, and adhesives. The protective films are laminated on both sides of the phase difference films. The adhesives are bonded with a liquid crystal panel. A backlight unit(140) is installed on a rear side of the liquid crystal panel. The backlight unit emits light onto the entire surface of the liquid crystal panel. A case component couples the liquid crystal panel with the backlight unit.