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US 9,039,238 B2Granted
Lighting module and lighting device
AssigneeLG Innotek Co., Ltd.
InventorsKwang Soo Kim, Young Ho Shin, Ki Man Park, Bu Kwan Je, Sang Hoon Park, Ye Seul Yang
Life of this patent
Estimating the term…
Abstract
A lighting module may be provided that includes: a light emitter; a clad metal substrate which is disposed under the light emitter; an insulating structure which insulates the light emitter from the clad metal substrate; an optical structure which is disposed on the light emitter; and a case which is disposed on the optical structure and is coupled to the clad metal substrate, wherein the light emitter includes a semiconductor based light emitting device.
Claims24
A lighting module comprising:
- a light emitter comprising a substrate and a light emitting device disposed on the substrate;
- a clad metal substrate disposed under the substrate of the light emitter, the clad metal substrate being planar;
- an insulating structure disposed on the clad metal substrate;
- an optical structure disposed on the light emitter, the optical structure comprising an outer frame surrounding the substrate and a plurality of lenses corresponding to the plurality of the light emitting devices;
- a case disposed on the optical structure and coupled to the clad metal substrate;
- and
- a packing structure disposed between the optical structure and the case,
- wherein the insulating structure surrounds the outer frame of the optical structure and insulates the light emitter from the case,
- wherein the clad metal substrate comprises:
- a first metal layer;
- and
- a second metal layer disposed on the first metal layer,
- wherein a thermal conductivity of the second metal layer is greater than a thermal conductivity of the first metal layer, and
- wherein a diameter of the case is greater than a diameter of the insulating structure.
11 more elements
A lighting device comprising:
- a heat sink which includes a receiving recess and a plurality of partitions disposed on a portion thereof;
- one or more lighting modules which are disposed under the heat sink and emit light downward;
- a power supplier which is disposed in the receiving recess and supplies electric power to the lighting module;
- and
- a waterproof cap which is coupled to at least a portion of the top surface of the heat sink and prevents water from being introduced into the receiving recess of the heat sink,
- wherein the lighting module includes:
- a light emitter including a substrate and a plurality of light emitting diodes disposed on the substrate;
- a clad metal substrate disposed under the substrate of the light emitter;
- an insulating structure disposed on the clad metal substrate;
- an optical structure disposed on the light emitter, the optical structure comprising an outer frame surrounding the substrate and a plurality of lenses corresponding to the plurality of the light emitting devices;
- a case disposed on the light emitter and coupled to the clad metal substrate;
- and
- a packing structure disposed between the optical structure and the case,
- wherein the insulating structure surrounds the outer frame of the optical structure and insulates the light emitter from the case by contacting the case,
- wherein the clad metal substrate comprises a first metal layer and a second metal layer disposed on the first metal layer,
- wherein a thermal conductivity of the second metal layer of the clad metal substrate is greater than a thermal conductivity of the first metal layer, and
- wherein a diameter of the case is greater than a diameter of the insulating structure.
14 more elements
A lighting module comprising:
- a support layer;
- a light emitter which includes a substrate disposed on the support layer and a plurality of light emitting devices disposed on the substrate;
- an optical structure covering the light emitter;
- a packing structure disposed on the optical structure;
- an insulating structure disposed on the support layer and surrounding the optical structure;
- and
- a case receiving the light emitter, the optical structure, the packing structure and the insulating structure, and coupled to the support layer,
- wherein the insulating structure seals a space between the optical structure and the case,
- wherein the light emitting devices include a light emitting diode (LED),
- wherein the case comprises a side wall and an edge part,
- wherein the side wall surrounds the optical structure, the packing structure and the insulating structure,
- wherein the edge part extends from the side wall, is disposed on the packing structure and defines an opening,
- wherein the packing structure comprises a top surface contacting the edge part of the case and a bottom surface contacting the optical structure,
- wherein each of the top surface of the packing structure and the bottom surface of the packing structure has a recess, and
- wherein a projection from the case engages the recess on the top surface of the packing structure and a projection from the optical structure engages the recess on the bottom surface of the packing structure.
12 more elements
Dependencies are inferred from the claim text.