BACKLIGHT UNIT DISPLAY APPARATUS INCLUDING THE SAME AND MANUFACTURIMG METHOD OF THEREOF

• Main Authors: JANG HYELIM, TAK KYUNGSEON, KIM YOUNGGU, OK JONGMIN, LEE TAEKJOON, JUNG JINSOO, CHANG SUNYOUNG, JEON BAEKKYUN
• Format: Patent
• Language: English; Korean
• Published: 18.05.2020
• 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

A display device according to an embodiment of the present invention comprises: a light source which generates light; a display panel for displaying images; a light guide member wherein at least one surface is disposed adjacent to the light source; and an optical member disposed between the light guide member and the display panel, wherein the optical member includes a low refractive layer disposed on the light exit surface of the light guide member and including a plurality of side surfaces, a first cover layer disposed on the low refractive layer and surrounding at least a part of the side surfaces of the low refractive layer, and a light conversion layer disposed on the first cover layer and converting a wavelength band of incident light. 본 발명의 실시예에 따른 표시 장치는 광을 생성하는 광원, 영상을 표시하는 표시 패널, 적어도 일면이 상기 광원과 인접하도록 배치되는 도광 부재, 및 상기 도광 부재 및 상기 표시 패널 사이에 배치되는 광학 부재를 포함하고, 상기 광학 부재는, 상기 도광 부재의 출광면 상에 배치되고, 복수의 측면들을 포함하는 저굴절층, 상기 저굴절층 상에 배치되고, 상기 저굴절층의 상기 측면들 중 적어도 일부를 감싸는 제1 커버층, 및 상기 제1 커버층 상에 배치되고, 입사되는 광의 파장 대역을 변환시키는 광변환층을 포함한다.