发明名称 BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME, AND GAME MACHINE
摘要 A backlight unit for a liquid crystal display device includes: a light source; a first light guiding panel which guides light emitted from the light source; a second light guiding panel which is disposed behind the first light guiding panel and is provided to be movable so as to be selectively disposed at a position of being overlapped with a predetermined area of the first light guiding panel in a back and forth direction and at a position of not being overlapped with the predetermined area in a back and forth direction; and a driving part which provides a driving force for moving the second light guiding panel.
申请公布号 US2015247966(A1) 申请公布日期 2015.09.03
申请号 US201314429366 申请日期 2013.09.02
申请人 TOVIS CO., LTD. 发明人 Kim Yong-Beom
分类号 F21V8/00;G07F17/32 主分类号 F21V8/00
代理机构 代理人
主权项 1. A backlight unit for a liquid crystal display device comprising: a light source; a first light guiding panel which guides light emitted from the light source; a second light guiding panel which is disposed behind the first light guiding panel and is provided to be movable so as to be selectively disposed at a position of being overlapped with a predetermined area of the first light guiding panel in a back and forth direction and at a position of not being overlapped with the predetermined area in a back and forth direction; and a driving part which provides a driving force for moving the second light guiding panel.
地址 Yeonsu-gu Incheon KR