发明公开
- 专利标题: LIGHTING DEVICE, DISPLAY APPARATUS, AND TELEVISION RECEIVER
- 专利标题(中): 照明装置,显示装置和电视接收器
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申请号: EP10817010.1申请日: 2010-08-19
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公开(公告)号: EP2466191A1公开(公告)日: 2012-06-20
- 发明人: KUROMIZU, Yasumori
- 申请人: Sharp Kabushiki Kaisha
- 申请人地址: 22-22, Nagaike-cho Abeno-ku Osaka-shi, Osaka 545-8522 JP
- 专利权人: Sharp Kabushiki Kaisha
- 当前专利权人: Sharp Kabushiki Kaisha
- 当前专利权人地址: 22-22, Nagaike-cho Abeno-ku Osaka-shi, Osaka 545-8522 JP
- 代理机构: Müller-Boré & Partner Patentanwälte
- 优先权: JP2009214795 20090916
- 国际公布: WO2011033897 20110324
- 主分类号: F21S2/00
- IPC分类号: F21S2/00 ; F21V17/00 ; G02F1/13357 ; H04N5/64
摘要:
An object of the invention is to suppress uneven brightness in a backlight unit. The backlight unit 12 includes a hot cathode tube 17 as a light source; a chassis 14 having a bottom plate 14a disposed on a side opposite to a light output side with respect to the hot cathode tube 17 and housing the hot cathode tube 17; a reflection sheet 20 having a bottom portion 20a disposed along the bottom plate 14a and a rising portion 20b rising from the bottom portion 20a toward the light output side and reflecting light; and a pressing member 21 extending over the bottom portion 20a and the rising portion 20b and having a pressing surface 28 pressing the bottom portion 20a and the rising portion 20b from the light output side.
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