Lg Innotek Co., Ltd.

Leeim Kang

Hyun Ho Choi

Chang Hyuck Lee

Chang Gyun Son

ChangGyun Son

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.

Optical lens, light emitting device, and lighting device

A optical lens includes a lens body having a first surface and a second surface opposite to the first surface and having a recessed round shape in a cross-sectional view relative to an optical axis, a plurality of first support members protruded from the first surface at a first length, and a flange unit disposed at a lateral surface connected to the first surface, wherein the flange unit has a base portion.

Growing community of inventors

Seoul, South Korea

Leeim Kang