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. 24, 2012
Filed:
Jun. 03, 2011
Tae Young Choi, Seoul, KR;
Hwa Young Kim, Seoul, KR;
IL Yeong Kang, Seoul, KR;
Sang Won Lee, Seoul, KR;
Ji Hoo Kim, Seoul, KR;
Seung Hyuk Lee, Seoul, KR;
Sung Ku Kang, Seoul, KR;
Cheon Joo Kim, Seoul, KR;
Tae Young Choi, Seoul, KR;
Hwa Young Kim, Seoul, KR;
Il Yeong Kang, Seoul, KR;
Sang Won Lee, Seoul, KR;
Ji Hoo Kim, Seoul, KR;
Seung Hyuk Lee, Seoul, KR;
Sung Ku Kang, Seoul, KR;
Cheon Joo Kim, Seoul, KR;
LG Innotek Co., Ltd., Seoul, KR;
Abstract
A lighting device includes a light emitting module, a member disposed on the light emitting module, a cover surrounding the light emitting module and the member, and a heat sink. The light emitting module includes a substrate and a light emitting diode disposed on the substrate. The member includes a base having a hole configured to receive the light emitting diode and a projection configured to reflect light from the light emitting diode. A diameter of the base is greater than a maximum diameter of the projection. The heat sink includes an upper portion having a flat surface on which the substrate is disposed and a lower portion having a plurality of grooves formed on a side surface of the heat sink.