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. 24, 2011
Filed:
Apr. 03, 2008
Jae Hong Shin, Gyunggi-do, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Chang Ho Shin, Incheon, KR;
Dae Yeon Kim, Gyunggi-do, KR;
Chul Hee Yoo, Gyunggi-do, KR;
Dong Hyun Cho, Gyunggi-do, KR;
Jae Hong Shin, Gyunggi-do, KR;
Hun Joo Hahm, Gyunggi-do, KR;
Hyung Suk Kim, Gyunggi-do, KR;
Chang Ho Shin, Incheon, KR;
Dae Yeon Kim, Gyunggi-do, KR;
Chul Hee Yoo, Gyunggi-do, KR;
Dong Hyun Cho, Gyunggi-do, KR;
Samsung LED Co., Ltd, Suwon-si, KR;
Abstract
There is provided a surface light source using white light emitting diodes including: a plurality of white light emitting diodes arranged at a predetermined distance from one another, wherein the white light emitting diodes are arranged such that a light emitting diode unit defined by each of the white light emitting diodes and corresponding ones of the white light emitting diodes disposed at a closest distance from the each white light emitting diode has a central light amount ranging from 80% to 120% with respect to an average light amount of the white light emitting diodes.