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:
May. 13, 2014
Filed:
Dec. 29, 2011
Harunobu Komatsu, Matsumoto, JP;
Harunobu Komatsu, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An electrophoretic display device includes a circuit substrate and an opposed substrate arranged to face each other, a dispersion liquid interposed between the circuit substrate and the opposed substrate, a plurality of platforms arranged to be spaced apart from each other with a slit therebetween in a display region on the circuit substrate, a plurality of reflectors respectively formed on top faces of the plurality of platforms, a slit electrode located in each slit, an opposed electrode formed on the opposed substrate, and an electrophoretic layer filled with a dispersion liquid which contains black particles having a different color from that of the reflectors and being dispersed in a dispersion medium.