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Patent Searching and Data


Title:
DISPLAY
Document Type and Number:
Japanese Patent JP2010008582
Kind Code:
A
Abstract:

To provide a display for performing excellent display regardless of change of an environmental temperature.

The display provided with a backlight 25 illuminating an LCD (liquid Crystal Display) panel 11 including a plurality of LCD segments from the rear includes: an LCD drive circuit 12 for generating an LCD drive signal sequentially driving the plurality of the LCD segments included in the LCD panel; a dimming signal generation circuit 22 for generating a dimming signal regulating brightness of the backlight; a data correction circuit 23 for correcting the dimming signal from the dimming signal generation circuit in response to a frequency of the LCD drive signal from the LCD drive circuit; and a drive signal generation circuit 24 for generating a backlight drive signal intermittently lighting the backlight based on the dimming signal corrected from the data correction circuit.


Inventors:
KARIYAMA AKIKO
Application Number:
JP2008166079A
Publication Date:
January 14, 2010
Filing Date:
June 25, 2008
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G09G3/36; G02F1/133; G09G3/20; G09G3/34
Domestic Patent References:
JPH07325286A1995-12-12
JPH04333021A1992-11-20
JP2000292767A2000-10-20
JP2004177547A2004-06-24
JP2003255913A2003-09-10
JP2007328146A2007-12-20
JP2007298664A2007-11-15
JP2006053520A2006-02-23
JPH05127626A1993-05-25
JP2005116399A2005-04-28
Attorney, Agent or Firm:
Hideaki Tazawa
Hamada Hatsune