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:
Apr. 30, 2013
Filed:
Aug. 31, 2011
Young Jun Yu, Seoul, KR;
OH Nam Kwon, Gyeonggi-do, KR;
Young Jun Yu, Seoul, KR;
Oh Nam Kwon, Gyeonggi-do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An electrophoretic display device includes a lower substrate having pixel electrodes thereon to define a plurality of pixel areas; partition walls formed on the lower substrate to surround the pixel electrodes; electrophoretic dispersion liquid having a plurality of charged particles colored to display colors, the electrophoretic dispersion liquid filled into the plurality of the pixel areas defined by pixel electrodes and surrounding the partition walls; a membrane layer disposed on the partition walls and covering the electrophoretic dispersion liquid, the membrane layer comprising a plurality of hole patterns at portions corresponding to the plurality of the pixel areas; and an upper substrate bonded with the lower substrate such that the membrane layer is disposed therebetween.