发明名称 LIGHTING DEVICE AND DISPLAY DEVICE
摘要 A backlight device includes LEDs, a light guide plate, an LED board, and a light blocking portion. The light guide plate includes a side surface configured as a light entrance surface through which light from the LEDs enters and a plate surface configured as a light exit surface through which light exits the light guide plate. The LED board on which the LEDs are mounted and at least a portion of which is a light guide plate overlapping portion is on a light exit surface side. The light guide plate overlapping portion overlaps a light entering edge portion that is an edge portion of the light guide plate close to the light entrance surface. The light blocking portion is at the light guide plate overlapping portion of the LED board and between the light guide plate overlapping portion and the light entering edge portion of the light guide plate.
申请公布号 US2016077270(A1) 申请公布日期 2016.03.17
申请号 US201414786648 申请日期 2014.02.25
申请人 SHARP KABUSHIKI KAISHA 发明人 KOMANO Masakazu;KIKUCHI Katsutoshi;MINOURA Kazunori
分类号 F21V8/00 主分类号 F21V8/00
代理机构 代理人
主权项 1. A lighting device comprising: a light source; a light guide plate including a side surface configured as a light entrance surface through which light from the light source enters the light guide plate and a plate surface configured as a light exit surface through which light exits the light guide plate; a light source board on which the light source is mounted and at least a portion of which is a light guide plate overlapping portion on a light exit surface side, the light guide plate overlapping portion overlapping a light entering edge portion of the light guide plate, the light entering edge portion being an edge portion of the light guide plate close to the light entrance surface; and a light blocking portion included in the light guide plate overlapping portion of the light source board and being between the light guide plate overlapping portion and the light entering edge portion of the light guide plate.
地址 Osaka JP