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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8830561 B1

PDFFull Text
Date of Patent:
Sep. 09, 2014

Filed:

Mar. 21, 2012

Electrophoretic display

Applicants:

Hongmei Zang, Fremont, CA (US);

Hui Chen, Milpitas, CA (US);

Inventors:

HongMei Zang, Fremont, CA (US);

Hui Chen, Milpitas, CA (US);

Assignee:

E Ink California, LLC, Fremont, CA (US);

Attorney:

Perkins Coie LLP

Primary Examiner:

Ellen S Raudenbush

Assistant Examiner:

Anthony J Frost

Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02F 1/29 (2006.01); G09G 3/34 (2006.01); C09K 19/54 (2006.01); G02F 1/1333 (2006.01); G02F 1/1341 (2006.01); G02F 1/167 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1341 (2013.01); C09K 19/544 (2013.01); C09K 2019/546 (2013.01); G02F 2001/1672 (2013.01); G02F 1/167 (2013.01); G02F 1/133377 (2013.01);
Abstract

The present invention is directed to an electrophoretic display comprising: (a) microcups comprising partition walls and top-openings; (b) an organic-based electrophoretic fluid filled in the microcups, wherein said fluid comprises charged pigment particles dispersed in a solvent; and (c) a top-sealing layer formed from a sealing composition to enclose the electrophoretic fluid within the microcups. The sealing composition comprises: (i) a water soluble polymer, (ii) a water-based suspension, a water-based dispersion, a water-based emulsion, or a water-based latex, each comprising a polymer; and (iii) water.

Find Patent Forward Citations

Zang, HongMei. (2014). Electrophoretic display (U.S. Patent No. 8830561). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8830561

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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