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:
Sep. 06, 2011
Filed:
Sep. 14, 2007
Hong Rae Cha, Seoul, KR;
Ji Hoon Sohn, Seoul, KR;
Sam Je Cho, Seoul, KR;
Woo Sung Jang, Seoul, KR;
Woon Seo Shin, Seoul, KR;
Hong Rae Cha, Seoul, KR;
Ji Hoon Sohn, Seoul, KR;
Sam Je Cho, Seoul, KR;
Woo Sung Jang, Seoul, KR;
Woon Seo Shin, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A display apparatus includes a plasma display panel (PDP) having an upper substrate at which black matrices are disposed. The apparatus includes an external light shield having a panel side facing a display surface of the PDP and an opposing viewer side facing away from the display surface. The light shield includes a base unit and includes pattern units that absorb external light from the viewer side. The pattern units have boundaries defined by intersections of the pattern units and the base unit. The boundaries define widths of pattern tops disposed toward the panel side or the viewer side and define widths of pattern bottoms disposed toward the other of the panel side and the viewer side. A distance between a pair of adjacent black matrices is 4 to 12 times greater than a distance between adjacent boundaries, of a pair of adjacent pattern units, at adjacent pattern bottoms.