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:
Jun. 12, 2018
Filed:
Mar. 28, 2014
Lg Innotek Co., Ltd., Seoul, KR;
Chang Hyuck Lee, Seoul, KR;
Hyun Ho Choi, Seoul, KR;
Leeim Kang, Seoul, KR;
Chang Gyun Son, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
An optical lens, light emitting device, and lighting device are provided. The optical lens may include a first surface, a second surface disposed over the first surface, a third surface concaved with respect to the second surface towards the first surface, wherein the third surface converges toward a center thereof with a curved shape, and wherein a predetermined distance is provided between the third surface and the first surface along an optical axis, which is a straight line that passes through the center of the third surface and a center of the first surface, a protruder centrally arranged with respect to the first surface and that protrudes in a first direction along the optical axis, wherein a cross-section of the protruder taken along the optical axis includes two curved portions that each curve in the first direction and then curve in a second direction opposite to the first direction to substantially meet at the optical axis, and a plurality of supports that extend from the first surface in the first direction, and configured to provide a space below the protruder, wherein the plurality of supports is provided adjacent to the protruder.