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:
Jul. 07, 2009
Filed:
Dec. 29, 2006
Bong Chul Kim, Daegu, KR;
Seung Hyung Lee, Gyeonggi-do, KR;
Kyo Yong Koo, Gyeongsangbuk-do, KR;
Hyeon Jin Seo, Gyeongsangbuk-do, KR;
Dhang Kwon, Daejeon, KR;
Robert Taff, Pleasanton, CA (US);
Bong Chul Kim, Daegu, KR;
Seung Hyung Lee, Gyeonggi-do, KR;
Kyo Yong Koo, Gyeongsangbuk-do, KR;
Hyeon Jin Seo, Gyeongsangbuk-do, KR;
Dhang Kwon, Daejeon, KR;
Robert Taff, Pleasanton, CA (US);
LG Display Co., Ltd., Seoul, KR;
Abstract
A color filter substrate includes a black matrix on a transparent insulating substrate, the blacking matrix defining a pixel area, color filters in the pixel area, an overcoating layer over the black matrix and the color filters, the overcoating layer having a plurality of grooves, a plurality of column spacers on the overcoating layer, and a plurality of ball spacers in the grooves of the overcoating layer.