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:
Feb. 03, 2009
Filed:
Nov. 16, 2006
Chul Chae Choi, Bucheon-si, KR;
Youngjoo Yee, Seongnam-si, KR;
Hyouk Kwon, Seoul, KR;
Sang-cheon Kim, Goyang-si, KR;
Chul Chae Choi, Bucheon-si, KR;
Youngjoo Yee, Seongnam-si, KR;
Hyouk Kwon, Seoul, KR;
Sang-Cheon Kim, Goyang-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A display apparatus filter and a plasma display apparatus using the same are disclosed. The display apparatus filter includes a light transmission unit and a light absorption unit. The light transmission unit has a plurality of holes. The plurality of holes each have gradually increasing opening area as the filter goes from its front surface to its rear surface. The light absorption unit is formed on the parts other than the part where the plurality of holes are formed in the front surface of the filter.