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:
Oct. 23, 2012
Filed:
Dec. 09, 2011
Alex Horng, Kaohsiung, TW;
Chih-hao Chung, Kaohsiung, TW;
Heng-yu HU, Kaohsiung, TW;
Ming-tsung LI, Kaohsiung, TW;
Alex Horng, Kaohsiung, TW;
Chih-Hao Chung, Kaohsiung, TW;
Heng-Yu Hu, Kaohsiung, TW;
Ming-Tsung Li, Kaohsiung, TW;
Sunonwealth Electronic Machine Industry Co., Ltd., Kaohsiung, TW;
Abstract
A lamp includes a housing, a heat sink, a light emitter, a fan and a blocking ring. The housing includes first and second shells, with the first shell forming a light-transparent portion and a first engaging portion. An air outlet portion is formed in a wall of the first shell, with the second shell forming a second engaging portion and a base. An air inlet portion is formed in a wall of the second shell. The heat sink includes a base plate and a plurality of fins defining a compartment. Each of the fins has first and second ends. The light emitter is electrically connected to the base. The blocking ring is mounted inside the housing. The blocking ring has two sides forming first and second flanges. The blocking ring further includes a side forming a protrusion ring and partially covering an outer periphery of the heat sink.