Invention Grant
- Patent Title: Backlight device, display device, and television receiver
- Patent Title (中): 背光装置，显示装置和电视接收机
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Application No.: US12447981Application Date: 2007-06-13
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Publication No.: US08134656B2Publication Date: 2012-03-13
- Inventor: Kentaro Kamada
- Applicant: Kentaro Kamada
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Keating & Bennett, LLP
- Priority: JP2006-321160 20061129
- International Application: PCT/JP2007/061881 WO 20070613
- International Announcement: WO2008/065766 WO 20080605
- Main IPC: G02F1/1335
- IPC: G02F1/1335
Abstract:
A backlight device is provided with a cold cathode fluorescent tube as a first light source that emits light of green, and a cold cathode fluorescent tube as a second light source that can be switched on independently from the first light source and emits light of red and blue. A diffusion member provided on the light source side of a diffusion plate is disposed opposite to the first light source so as to diffuse green light.
Public/Granted literature
- US20100066945A1 BACKLIGHT DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER Public/Granted day:2010-03-18
Information query
IPC分类:
