LIGHT DIFFUSING SHEET FOR BACK LIGHT UNIT

PURPOSE: A light diffusing sheet for a back light unit is provided to improve hiding properties of a light source as well as brightness by maximizing refraction and diffraction properties of light. CONSTITUTION: A light diffusing sheet(10) for a back light unit includes a base film(11) and a light d...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, JEONG WOO, EUM, TAE SOO, KIM, JIK SOO, JEON, HAE SANG
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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE: A light diffusing sheet for a back light unit is provided to improve hiding properties of a light source as well as brightness by maximizing refraction and diffraction properties of light. CONSTITUTION: A light diffusing sheet(10) for a back light unit includes a base film(11) and a light diffusing layer(15). A binder resin(12) mixed with an organic particle(13) and an inorganic particle(14) is coated on the light diffusing layer in one side of the base film. The refraction index of the binder resin and the organic particle is 1.30-1.80 and the refraction index of the binder resin and the inorganic particle is 2.20-2.80.