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US Patent 7271947 Electrophoretic display with dual-mode switching

Patent 7271947 was granted and assigned to Sipix Imaging on September, 2007 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Jerry Chung0

Rong-Chang Liang0

Date of Patent

September 18, 2007

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Patent Application Number

103675950

Date Filed

February 14, 2003

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Patent Citations Received

US Patent 11656526 Switchable light-collimating layer including bistable electrophoretic fluid

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US Patent 11892739 Electrophoretic display layer with thin film top electrode

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US Patent 11774827 Reflective microcells for electrophoretic displays and methods of making the same

US Patent 11938215 Method for operating a benefit agent delivery system comprising microcells having an electrically eroding sealing layer

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US Patent 12065588 Two stage methods for processing adhesives and related compositions

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US Patent 11977310 Electrophoretic medium

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US Patent 11938214 Benefit agent delivery system comprising microcells having an electrically eroding sealing layer

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Patent Primary Examiner

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Patent abstract

The present invention relates to an improved EPD which comprises both the traditional up/down switching and the in-plane switching modes. The monochrome EPDs of the present invention are capable of displaying highlight color of choice which is different from the text. Furthermore, the full color EPDs of the present invention are capable of displaying high contrast images of high color saturation. Both high quality black and white states are possible in the full color displays of the present invention. The EPDs of the present invention do not need complex circuitry design, and are compatible with low cost and high yield roll-to-roll manufacturing processes.

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