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 7869117 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 11, 2011

Filed:

May. 23, 2008
Applicants:

Jae-young Choi, Yongin-si, KR;

Jai-yong Han, Yongin-si, KR;

Inventors:

Jae-young Choi, Yongin-si, KR;

Jai-yong Han, Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is an electrophoretic display device. The electrophoretic display device includes a first substrate and a second substrate forming a space receiving electrophoretic particles, and a first electrode and a second electrode formed on the first substrate and the second substrate respectively. The electrophoretic particles include reflective particles having a first electric polarity and reflecting a first light in visible wavelength bands, and light emission particles having a second electric polarity and emitting a second light by an optical stimulation. The first and second lights are in a substantially same color range of wavelength in a same pixel region.


Find Patent Forward Citations

Choi, Jae-young. (2011). Electrophoretic display device (U.S. Patent No. 7869117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7869117

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