LIGHT GUIDE PANEL, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME

• Main Authors: YOU, JUN WOO, CHUNG, SEUNG HWAN, YEOM, DONG YEOL, HA SANG WOO, LEE, HA YOUNG, PARK, SE KI, KIM, YU DONG
• Format: Patent
• Language: English; Korean
• Published: 25.06.2015
• 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

Provided are a light guide panel, a backlight unit, and a liquid crystal display. According to an embodiment of the present invention, the light guide panel comprises: an upper surface; a lower surface which is arranged in opposite to the upper surface; a first side surface and a second side surface which are arranged opposite to each other between the upper surface and the lower surface, wherein the lower surface comprises a reference surface and a plurality of scattering patterns which are protruded or indented from the reference surface and the scattering patterns comprise a first tilted surface which makes a first angle with the reference surface and a second tilted surface of which an end adjoins the first tilted surface and makes a second angle with the reference surface. 도광판, 백라이트 유닛 및 이를 포함하는 액정 표시 장치가 제공된다. 본 발명의 일 실시예에 따른 도광판은 도광판은 상면, 상면과 대향되게 배치되는 하면, 상면과 하면 사이에 서로 대향되어 배치되는 제1 측면 및 제2 측면을 포함하되, 하면은 기준면 및 기준면으로부터 돌출 또는 함몰되어 형성된 복수개의 산란 패턴을 포함하고, 산란 패턴은 기준면과 제1 각을 이루는 제1 경사면 및 일단이 제1 경사면과 접하고 기준면과 제2 각을 이루는 제2 경사면을 포함한다.