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US Patent 7679598 Image display device

Patent 7679598 was granted and assigned to Hitachi on March, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11842699 Method and apparatus of multi-modal illumination and display for improved color rendering, power efficiency, health and eye-safety
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Patent abstract

An image display device includes a pair of transparent substrates, a liquid crystal composition and at least two types of color filters disposed between the pair of substrates, at least two types of light sources, and a light source controller. Each of the light sources generating peak wavelengths of at least two colors, wherein the peak wavelengths are different from one another. The light source controller switches on and off the light sources in time sequence within one frame period.

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Patent Inventor Names
Makoto Tsumura0
Tatsuki Inuduka0
Tsunenori Yamamoto0
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US Patent 07679598 Image display device US Patent 7679598 Image display device

Infobox
Patent Number
076795980
Patent Number
76795980
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076795980
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Infobox
Is a
Patent
Patent
0
Current Assignee
Hitachi
Hitachi
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
076795980
Date of Patent
March 16, 2010
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Patent Application Number
116000370
Date Filed
November 16, 2006
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=076795980
Patent Primary Examiner
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Sumati Lefkowitz
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07679598
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 US Patent 07679598 Image display device

Infobox
Is a
Patent
Patent
Current assignee
Hitachi
Hitachi
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07679598
Date of patent
March 16, 2010
Patent application number
11600037
Date Filed
November 16, 2006
Patent primary examiner
‌
Sumati Lefkowitz

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