BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

The present invention relates to a backlight unit which can increase light uniformity. The backlight unit comprises: a light guide plate; a low refraction layer disposed on the light guide plate; a light conversion layer disposed on the low refraction layer; a light source adjacent to one side surfa...

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Bibliographic Details
Main Authors SHIM SUNG KYU, HWANG SEONG YONG, KIM JONGHWAN, YOON BYUNG SEO
Format Patent
LanguageEnglish
Korean
Published 08.05.2020
Subjects
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Summary:The present invention relates to a backlight unit which can increase light uniformity. The backlight unit comprises: a light guide plate; a low refraction layer disposed on the light guide plate; a light conversion layer disposed on the low refraction layer; a light source adjacent to one side surface of the light guide plate; and a plurality of optical patterns disposed in a lower part of the light guide plate, extending in a first direction crossing the one side surface, and disposed in a second direction crossing the first direction. When viewed in the first direction, the optical patterns have a rectangular shape. 백라이트 유닛은 도광판, 상기 도광판 상에 배치된 저굴절층, 상기 저굴절층 상에 배치된 광변환층, 상기 도광판의 일측면에 인접한 광원, 및 상기 도광판 하부에 배치되고, 상기 일측면과 교차하는 제1 방향으로 연장하고, 상기 제1 방향과 교차하는 제2 방향으로 배열된 복수 개의 광학 패턴들을 포함하고, 상기 제1 방향에서 바라봤을 때, 상기 광학 패턴들은 사각형 형상을 갖는다.
Bibliography:Application Number: KR20180127503