Invention Grant
US08531382B2 White LED backlight device with color compensation and display device using the same
有权
白色LED背光装置采用彩色补偿和显示装置使用
- Patent Title: White LED backlight device with color compensation and display device using the same
- Patent Title (中): 白色LED背光装置采用彩色补偿和显示装置使用
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Application No.: US12514708Application Date: 2007-06-12
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Publication No.: US08531382B2Publication Date: 2013-09-10
- Inventor: Tetsuya Hamada
- Applicant: Tetsuya Hamada
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006-321173 20061129
- International Application: PCT/JP2007/061832 WO 20070612
- International Announcement: WO2008/065765 WO 20080605
- Main IPC: G09G3/36
- IPC: G09G3/36
Abstract:
A backlight device (2) for emitting illumination light outward includes white light-emitting diodes (4w) for emitting white light, and red and blue light-emitting diodes (4r, 4b) for emitting red light and blue light, respectively. The backlight device (2) further includes a lighting drive circuit (lighting control portion) (11) for controlling the lighting/driving of each of the light-emitting diodes (4w, 4r, 4b).
Public/Granted literature
- US20100053064A1 BACKLIGHT DEVICE, AND DISPLAY DEVICE USING THE SAME Public/Granted day:2010-03-04
Information query
IPC分类:
