Title:
IMAGE DISPLAY APPARATUS, DRIVER APPARATUS, AND BACKLIGHT UNIT
Document Type and Number:
WIPO Patent Application WO/2012/014537
Kind Code:
A1
Abstract:
The objective of the invention is to provide an image display apparatus wherein a plurality of light emitting elements serving as light sources of the backlight are driven in a time division manner and the number of components can be further reduced. An image display apparatus comprises a driver apparatus (22) and N element sequences which are first to N-th sequences (where 2 ≤ N) and each of which includes one or more light emitting elements (23). The driver apparatus is used to cause the element sequences to emit light in such a manner that light emission-capable periods do not overlap each other, and the obtained light is used as the backlight for an image display. The driver apparatus comprises: a power output circuit (22a) that outputs a light emission power to be used for the light emitting elements to emit light; and a switch mechanism (22b) that switches, in response to an arrival of the light emission-capable period related to the element sequence of the K-th sequence (where 1 ≤ K ≤ N), the output destination of the light emission power in the power output circuit to the element sequence of the K-th sequence.
Inventors:
MURAI Takayuki (())
村井 貴行 (())
FUJIWARA Kohji (())
村井 貴行 (())
FUJIWARA Kohji (())
Application Number:
JP2011/059676
Publication Date:
February 02, 2012
Filing Date:
April 20, 2011
Export Citation:
Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-Cho Abeno-Ku, Osaka-Sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
MURAI Takayuki (())
村井 貴行 (())
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
MURAI Takayuki (())
村井 貴行 (())
International Classes:
G09G3/36; F21S2/00; F21V23/00; G02F1/133; G02F1/13357; G09G3/20; G09G3/34; F21Y101/02
Attorney, Agent or Firm:
SANO Shizuo (Tenmabashi-Yachiyo Bldg. Bekkan, 2-6 Tenmabashi-Kyomachi, Chuo-Ku, Osaka-Sh, Osaka 32, 〒5400032, JP)
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Claims:
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