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One pixel full color display device using cholesteric mixture
 
   
Document Number
US Patent 7400370
Issued Date
July 15, 2008
Link
Inventors
Kim; Mu Gyeom (Gyeonggi-Do,KR)
Woo; Wo Jae (Gyeonggi-Do,KR)
Park; Jong Jin (Gyeonggi-Do,KR)
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Abstract
A LCD device (200) is disclosed that has a cholesteric compound layer (205), a backplane light (201), and one or more polarizers (203, 209) and liquid crystal smectic C* layers. The cholesteric compound layer (205) transmits elliptically polarized light having an amount of absorbance which is related to the angular rotation of the polarization. One or more of the liquid crystal smectic C* layers may be controlled as a polarization filter to select the apparent color of the transmitted light.
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Number of Claims:
26
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Owner
Samsung Electronics Co., Ltd. (Suwon-Si, Gyeonggi-do,KR)
Published
July 15, 2008
Application Number
11/201,089
Filed
August 11, 2005
US Classification
349/115   349/141
Int'l Classification
G02F   1/1335   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
USPTO Field of Search
349/115   349/139   349/140   349/141  
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