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.:
Date of Patent:
Sep. 15, 2015
Filed:
Oct. 05, 2010
Applicants:
Qin Liu, Corvallis, OR (US);
Zhang-lin Zhou, Palo Alto, CA (US);
Tim R Koch, Corvallis, OR (US);
Inventors:
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02F 1/167 (2006.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/00 (2014.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); G02F 2001/1676 (2013.01); G02F 2001/1678 (2013.01); G02F 2203/34 (2013.01);
Abstract
A pigment-based ink comprises: a non-polar carrier fluid; and pigment particles suspended in the non-polar carrier fluid. The pigment particles are coated with a metal oxide that is modified with at least one silane coupling agent to introduce functional groups, steric stabilizers or both. A combination of an electronic display and an electronic ink is provided, as is a method for modifying the pigment particles.