LED LIGHT GUIDE PLATE MODULE FOR BACK LIGHT UNIT

• Main Author: KIM, DONG YUL
• Format: Patent
• Language: English; Korean
• Published: 26.10.2010
• Subjects: BLASTING; 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; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; WEAPONS

PURPOSE: An LED light guide plate module for the backlight unit on the whole uniforms is provided to reduce the application number amount of the LED light source the cost. CONSTITUTION: A light guide plate(10) has the front side, back side, both sides, upper side and lower side. A first light source fitted surface(20a) is cut among one side of the light guide plate in the edge portion of the back side of the light guide panel side to plurality. A first light source fitted surface is formed to slope so that each central part repair accomplish the back side and designated angle of the light guide plate. A second light source fitted surface(20b) is formed to slope so that each central part repair accomplish the front side and designated angle of the light guide plate.