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US Patent 9759980 Color display device

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

HongMei Zang1

Hui Du1

Date of Patent

September 12, 2017

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Patent Application Number

149895341

Date Filed

January 6, 2016

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Patent Citations Received

US Patent 12130530 Applications of electro-optic displays

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US Patent 12087244 Enhanced push-pull (EPP) waveforms for achieving primary color sets in multi-color electrophoretic displays

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US Patent 12094429 Method for driving electrophoretic display device

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US Patent 12125449 Continuous waveform driving in multi-color electrophoretic displays

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US Patent 12131713 Continuous waveform driving in multi-color electrophoretic displays

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US Patent 11656523 Reflective electrophoretic displays including photo-luminescent material and color filter arrays

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US Patent 11686989 Four particle electrophoretic medium providing fast, high-contrast optical state switching

9

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Patent Primary Examiner

1

Patent abstract

The present invention provides a realistic solution for a highlight or multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, having different levels of size, threshold voltage or charge intensity.

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