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:
May. 15, 2012
Filed:
Sep. 18, 2007
Seok MO Ban, Suwon-si, KR;
Ki Yeon Lee, Suwon-si, KR;
Kyeong Taek Jung, Suwon-si, KR;
Hyung Bin Youn, Suwon-si, KR;
Keun Seok Lee, Suwon-si, KR;
Dong Hee Lee, Suwon-si, KR;
Won DO Kee, Suwon-si, KR;
Yong Keun Jee, Suwon-si, KR;
Seok Mo Ban, Suwon-si, KR;
Ki Yeon Lee, Suwon-si, KR;
Kyeong Taek Jung, Suwon-si, KR;
Hyung Bin Youn, Suwon-si, KR;
Keun Seok Lee, Suwon-si, KR;
Dong Hee Lee, Suwon-si, KR;
Won Do Kee, Suwon-si, KR;
Yong Keun Jee, Suwon-si, KR;
Samsung Corning Precision Materials Co., Ltd., Gyeongsangbuk-do, KR;
Abstract
A surface light source includes a plate type light source body having a sealed discharging space formed therein, a plate type electrode unit having a plurality of regions adjacent to at least one major surface of the light source body, and a multiple voltage applying unit operable to apply voltages independently to each of the plurality of regions. In this way, brightness of the surface light source can be controlled independently in each of the plurality of regions and a local dimming for a surface light source can be realized.