BACKLIGHT UNIT AND DISPLAY APPARATUS INCLUDING THE SAME

The present invention provides a display device with increased display quality. According to an embodiment of the present invention, the display device comprises: a display member displaying a video; a light guide member arranged in a lower part of the display member and allowing a light incident su...

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Bibliographic Details
Main Authors KIM YONG SEOK, KWON JUNGHYUN, LEE DAEHO, PARK HAEIL, LEE KWANGKEUN, YOON SEON TAE
Format Patent
LanguageEnglish
Korean
Published 12.07.2019
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Summary:The present invention provides a display device with increased display quality. According to an embodiment of the present invention, the display device comprises: a display member displaying a video; a light guide member arranged in a lower part of the display member and allowing a light incident surface to be defined at one side surface in a first direction; a light source arranged to be adjacent to the light incident surface; and a light conversion layer arranged between the light guide member and the display member and converting a wavelength band of the incident light. The light conversion layer includes a first portion and a second portion arranged in the first direction. The first part is adjacent to the light incident surface in the first direction than the second portion. A thickness of the first portion is thinner than the thickness of the second portion. 본 발명의 실시 예에 따른 표시 장치는 영상을 표시하는 표시 부재, 상기 표시 부재의 하부에 배치되고, 제1 방향에서 일측면에 입광면이 정의되는 도광 부재, 상기 입광면과 인접하게 배치되는 광원, 및 상기 도광 부재 및 상기 표시 부재의 사이에 배치되고, 입사되는 광의 파장 대역을 변환시키는 광 변환층을 포함하고, 상기 광 변환층은 상기 제1 방향으로 배열되는 제1 부분 및 제2 부분을 포함하고, 상기 제1 부분은 상기 제2 부분보다 상기 제1 방향에서 상기 입광면과 인접하고, 상기 제1 부분의 두께는 상기 제2 부분의 두께보다 얇다.
Bibliography:Application Number: KR20180000840