OPTICAL SHEET, BACKLIGHT UNIT AND LIQUID CRYSTAL DEVICE USING THE SAME

A backlight unit and a liquid crystal display including an optical sheet enhancing the luminance of the display are provided to increase the luminance and durability of the display device. An optical sheet(100) includes a base film(110) and a prism portion(120) located on the surface the base film....

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Bibliographische Detailangaben
Hauptverfasser:	LEE, SEOUNG HO, YOON, CHEOL, HAN, BYEONG HEUI, KWON, SEUNG WOOK, KIM, CHANG JONG, KIM, YONG SU, HWANG, KAB JIN
Format:	Patent
Sprache:	eng ; kor
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 EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A backlight unit and a liquid crystal display including an optical sheet enhancing the luminance of the display are provided to increase the luminance and durability of the display device. An optical sheet(100) includes a base film(110) and a prism portion(120) located on the surface the base film. A first prism unit is located on surface the base film. The cross section of the first prism portion has the triangular shape. A second prism unit is located so that the second prism portion cover the first prism portion. The first prism portion is made of bromine based compounds, fluorene-based compounds or bi-phenyl based compounds.