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Patent Searching and Data


Title:
IMAGE DISPLAY LIGHT-EMISSION APPARATUS, DISPLAY APPARATUS AND TELEVISION RECEIVING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/044308
Kind Code:
A1
Abstract:
An image display light-emission apparatus comprises an LED current establishing circuit (43) for generating a current control signal (ICNT) to be used for varying, in accordance with an image display mode, an element current that flows in an LED element; and an LED voltage establishing circuit (42) for generating a voltage control signal (VCNT) to be used for varying, in accordance with an image display mode, a driving voltage (Vf) that drives the LED element.  The image display light-emission apparatus further comprises a voltage generating circuit (45) that generates the driving voltage (Vf) in accordance with the voltage control signal (VCNT) and that applies the driving voltage (Vf), which is in accordance with an image display mode, to the LED element (20).

Inventors:
YAMAMOTO TOMOHIKO
FUJIWARA KOHJI
MASUDA TAKESHI
IWASAKI KOHJI
Application Number:
JP2009/064152
Publication Date:
April 22, 2010
Filing Date:
August 11, 2009
Export Citation:
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Assignee:
SHARP KK (JP)
YAMAMOTO TOMOHIKO
FUJIWARA KOHJI
MASUDA TAKESHI
IWASAKI KOHJI
International Classes:
G09G3/34; F21S2/00; G02F1/133; G09F9/00; G09F9/33; G09G3/20; G09G3/32; G09G3/36; H04N5/66; F21Y101/02
Foreign References:
JP2001272938A2001-10-05
US20070035706A12007-02-15
JP2007140436A2007-06-07
JP2007322881A2007-12-13
JP2004302254A2004-10-28
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
Patent business corporation dawn joint patent firm (JP)
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