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. 13, 2016
Filed:
Jan. 26, 2012
Applicants:
Zhang-lin Zhou, Palo Alto, CA (US);
Qin Liu, Corvallis, OR (US);
Inventors:
Zhang-Lin Zhou, Palo Alto, CA (US);
Qin Liu, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2015.01); G02B 5/02 (2006.01); G02C 7/10 (2006.01); G02F 1/361 (2006.01); G03B 11/00 (2006.01); C09D 11/107 (2014.01); C09D 11/10 (2014.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); G02F 1/1333 (2006.01); G02F 1/167 (2006.01); G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
C09D 11/107 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/10 (2013.01); G02F 1/133348 (2013.01); G02F 1/167 (2013.01); G02F 2001/1678 (2013.01);
Abstract
Pigment based inks are provided. The inks include a non-polar carrier fluid; and a surface-functionalized pigment particle including a nitrogen-inked moiety to the surface of the pigment particle through a nitrogen link at one end of the nitrogen-linked moiety and a segment copolymer having at least two blocks attached at another end, the pigment particle suspended in the non-polar carrier fluid. A combination of an electronic display and an electronic ink employing the pigment and a process for making the pigment-based inks are also provided.