Backlight unit and liquid crystal display device including same

• Main Author: CHO, HYUN CHEOL
• Format: Patent
• Language: English; Korean
• Published: 09.07.2018
• 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 LOGIC ELEMENTS; OPTICS; PHYSICS; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; WEAPONS

The present invention relates to a backlight unit in which a top surface of an optical sheet fixing unit provided on one side of a light guide plate is completely covered by an optical sheet provided on a light guide plate and a liquid crystal display device including the same for implementing an ultra slim liquid crystal display device with a narrow bezel. The backlight unit comprises: a light guide plate; a light source; a cover bottom; an optical sheet; and an optical sheet fixing unit. 본 발명은 초슬림형 및 네로우 베젤의 액정표시장치를 구현하기 위하여, 도광판의 일측에 구비된 광학시트 고정부의 상면이 도광판 상에 구비되는 광학시트에 의해 완전히 덮이는 백라이트 유닛 및 이를 포함하는 액정표시장치를 제공한다.