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:
Mar. 07, 2017
Filed:
Nov. 14, 2013
Applicant:
Pen Generations Inc., Seongnam-si, KR;
Inventor:
Hee Hwan Kwak, Seongnam-si, KR;
Assignee:
PEN Generations Inc., Seongnam-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01); G02F 1/1335 (2006.01); G02F 1/01 (2006.01); G02F 1/1333 (2006.01); G02F 1/137 (2006.01); G06F 3/03 (2006.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G02F 1/0131 (2013.01); G02F 1/13338 (2013.01); G02F 1/13718 (2013.01); G02F 1/133553 (2013.01); G06F 3/0321 (2013.01); G02F 2001/133374 (2013.01); G02F 2201/08 (2013.01); G02F 2203/11 (2013.01);
Abstract
Disclosed herein are a liquid crystal display device and an electronic pen system using the same. The liquid crystal display device includes an infrared reflection layer configured to reflect infrared irradiated thereto, the infrared reflection layer including an information pattern having virtual grid lines and a plurality of marks; and a liquid crystal layer formed on the infrared reflection layer and configured to be changed an orientation of liquid crystal molecules by an external pressure.