US 2023/0053397 A1 · LIGHTING MODULE AND LIGHTING DEVICE HAVING SAME

Abstract

The lighting device disclosed in the embodiment of the invention includes a substrate including a metal layer; a plurality of light sources arranged in a first direction on the substrate; a plurality of protrusions having a length in the first direction on the metal layer; and a resin layer disposed on the plurality of light sources and the plurality of protrusions, wherein the metal layer includes a first metal layer electrically connected to the light source and a second metal layer coupled to the plurality of protrusions, and the first metal layer and the second metal layer are separated from each other, and the plurality of protrusions may be disposed to be spaced apart from each other in a second direction perpendicular to the first direction.

Claims20

Dependent claims

A lighting device comprising:

a substrate;
a light source disposed on the substrate;
a resin layer disposed on the substrate and the light source;
and
a reflective pattern disposed on the substrate,
wherein the light source is disposed in the resin layer and connected to the substrate,
wherein the light source is a device having a light emitting diode chip,
wherein an upper portion of the substrate includes a first layer of an insulating material,
wherein the reflective pattern includes a plurality of protrusions,
wherein each of the plurality of protrusions includes a lower portion embedded in the first layer and an upper portion protruding more than an upper surface of the first layer,
wherein each of the plurality of protrusions is formed of a material different from the insulating material of the first layer, and
wherein each of the plurality of protrusions has a height greater than a thickness of the first layer in a vertical direction.

9 more elements

A lighting device comprising:

a substrate;
a light source disposed on the substrate;
a resin layer disposed on the substrate and the light source;
and
a reflective pattern disposed on the substrate,
wherein the light source is disposed in the resin layer and connected to the substrate,
wherein the light source is a device having a light emitting diode chip,
wherein an upper portion of the substrate includes a first layer of an insulating material,
wherein the reflective pattern includes a plurality of protrusions,
wherein each of the plurality of protrusions includes a lower portion embedded in the first layer and an upper portion protruding more than an upper surface of the first layer,
wherein each of the plurality of protrusions is formed of a material different from the insulating material of the first layer,
wherein each of the plurality of protrusions has a height greater than a thickness of the first layer,
wherein the first layer is disposed around a lower portion of the light source, and
wherein each of the plurality of protrusions is exposed on the first layer through the first layer.

11 more elements

Dependencies are inferred from the claim text.

Lighting module and lighting device having same

Life of this patent

Lighting module and lighting device having same

Life of this patent

Abstract

Claims20