LIGHT GUIDE PLATE HAVING A PRISM AND HOLOGRAM PATTERN AND METHOD FOR MANUFACTURING THEREOF
A light guide plate having a prism integrated with a hologram pattern and a manufacturing method thereof are provided to improve luminance of light transmitted from a side of the light guide plate significantly and obtain uniform high luminance by uniformly, upwardly and linearly emitting light emit...
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creator | JU, BYEONG KWON SHIN, KYUNG YEO, CHOEL HO LEE, YOUNG JONG |
description | A light guide plate having a prism integrated with a hologram pattern and a manufacturing method thereof are provided to improve luminance of light transmitted from a side of the light guide plate significantly and obtain uniform high luminance by uniformly, upwardly and linearly emitting light emitted from an upper surface of the light guide plate. An upper surface of a light guide plate(93) comprises a periodical pattern. In the periodical pattern, an isosceles triangle inner angle of a quadrangular pyramid is about 50° to 60°, and a square pattern length of the bottom of the quadrangular pyramid is about 0.5 to 50mum. A light guide plate lower surface comprises a non-periodical pattern. In the non-periodical pattern, a square wave protrusion shape is widened at uniform intervals in a center point of the other end side of a light source(91), and a width is about 0.1 to 20mum. |
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An upper surface of a light guide plate(93) comprises a periodical pattern. In the periodical pattern, an isosceles triangle inner angle of a quadrangular pyramid is about 50° to 60°, and a square pattern length of the bottom of the quadrangular pyramid is about 0.5 to 50mum. A light guide plate lower surface comprises a non-periodical pattern. 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subjects | 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 |
title | LIGHT GUIDE PLATE HAVING A PRISM AND HOLOGRAM PATTERN AND METHOD FOR MANUFACTURING THEREOF |
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