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Patent Searching and Data


Title:
DISPLAY DEVICE AND TELEVISION RECEPTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/141879
Kind Code:
A1
Abstract:
The objective of the present invention is, in a liquid crystal display device adopting a field sequential driving method, to effect an increase in brightness and color reproducibility. The liquid crystal display device (10) is provided with: a panel control unit (50) that controls a liquid crystal panel (11) in a manner so that a single frame display period contains a red and blue display period for selectively driving red pixels (RPX) and blue pixels (BPX), and a green display period for selectively driving green pixels (GPX); and a backlight control unit (51) that controls a backlight device (12) in a manner so that a first magenta LED (17M1) and a first green LED (17G1) are lit during the period from the start of scanning to the end of scanning pertaining to the period of display of red and blue by the red pixels (RPX) and blue pixels (BPX) belonging to at least a first region (A1), and the first magenta LED (17M1) is lit and the first green LED (17G1) is extinguished for at least a certain time period during the period from the end of scanning to the start of scanning pertaining to the subsequent period of display of green by the green pixels (GPX) belonging to the first region (A1).

Inventors:
HOSOKI MITSURU
Application Number:
PCT/JP2014/054621
Publication Date:
September 18, 2014
Filing Date:
February 26, 2014
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
G09G3/36; G02F1/133; G09G3/20; G09G3/34
Domestic Patent References:
WO2013191094A12013-12-27
WO2008146692A12008-12-04
WO2011125356A12011-10-13
Foreign References:
US20060007105A12006-01-12
JP2010518457A2010-05-27
JP2010170044A2010-08-05
JP2009086026A2009-04-23
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
Patent business corporation dawn joint patent firm (JP)
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