Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/111471
Kind Code:
A1
Abstract:
A liquid crystal display device (1), which is provided with a liquid crystal panel (display unit) (2) and a backlight device (backlight unit) (3), and which displays information by dividing one frame period into four sub-field periods. In the liquid crystal display device, a backlight control unit (23) controls the lighting drive of a light-emitting diode (4, 4b) in such a manner that a first lighting period that emits white light and a second lighting period that emits blue light alternate in two continuous sub-field periods. A panel control unit (display control unit) (22) operates: a red pixel (Pr), a green pixel (Pg), and a transparent pixel (Pt) during the first lighting period; and the transparent pixel (Pt) during the second lighting period.
Inventors:
YOSHIZAWA TAKENORI
Application Number:
PCT/JP2012/052658
Publication Date:
August 23, 2012
Filing Date:
February 07, 2012
Export Citation:
Assignee:
SHARP KK (JP)
YOSHIZAWA TAKENORI
YOSHIZAWA TAKENORI
International Classes:
G09G3/36; G02F1/133; G02F1/1335; G02F1/13357; G09G3/20; G09G3/34
Foreign References:
| JP2010145645A | 2010-07-01 | |||
| JP2009063878A | 2009-03-26 | |||
| JP2005352463A | 2005-12-22 | |||
| JP2005346042A | 2005-12-15 | |||
| JP2004118133A | 2004-04-15 | |||
| JP2003107472A | 2003-04-09 | |||
| JP2002149129A | 2002-05-24 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
Patent business corporation Ikeuchi and Sato and partners (JP)
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Claims: