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US 12,241,600 B2Granted
Lighting module and lighting device
AssigneeLG Innotek Co., Ltd.
InventorYoung Jae Choi
Life of this patent
Estimating the term…
Abstract
A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective layer disposed on the substrate; a light source passing through the reflective layer and disposed on the substrate; a resin layer disposed on the reflective layer; and an optical pattern disposed on the resin layer, wherein the light source includes a first light emitting device and a second light emitting device spaced apart from the first light emitting device, wherein the optical pattern may include a first optical pattern disposed on an upper portion of the first light emitting device and a second optical pattern disposed on an upper portion of the second light emitting device, and the first optical pattern and the second optical pattern may have different areas.
Claims20
A lighting device comprising:
- a substrate;
- a reflective layer disposed on the substrate;
- a light source passing through the reflective layer and disposed on the substrate;
- a resin layer disposed on the reflective layer;
- an optical pattern disposed on the resin layer;
- an air gap portion disposed around the optical pattern;
- and
- a light-transmitting layer disposed outside the air gap portion and including a resin material,
- wherein the light source includes a first light emitting device and a second light emitting device spaced apart from the first light emitting device,
- wherein the optical pattern includes a first optical pattern disposed on the first light emitting device and a second optical pattern disposed on the second light emitting device,
- wherein the first optical pattern and the second optical pattern have different areas,
- wherein the resin layer covers the light source,
- wherein the first optical pattern overlaps the first light emitting device in a vertical direction and reflects a light emitted through an emission surface of the first light emitting device,
- wherein the second optical pattern overlaps the second light emitting device in the vertical direction and reflects a light emitted through an emission surface of the second light emitting device,
- wherein the air gap portion is disposed around each of the first and second optical patterns,
- wherein the air gap portion and the light-transmitting layer are disposed on the resin layer,
- wherein upper surfaces of the first light emitting device and the second light emitting device have different areas,
- wherein the emission surfaces of the first light emitting device and the second light emitting device have different areas,
- wherein each of the first and second optical patterns has a reflective material, and
- wherein each of the first and second optical patterns has regions with different thicknesses.
17 more elements
A lighting device comprising:
- a substrate;
- a reflective layer disposed on the substrate;
- a light source passing through the reflective layer and disposed on the substrate;
- a resin layer disposed on the reflective layer;
- an optical pattern disposed on the resin layer;
- an air gap portion disposed around the optical pattern;
- and
- a light-transmitting layer disposed outside the air gap portion and including a resin material,
- wherein the light source includes a first light emitting device and a second light emitting device spaced apart from the first light emitting device,
- wherein the first light emitting device and the second light emitting device include different numbers of LED chips,
- wherein a length of a long axis direction of the first light emitting device and a length of a long axis direction of the second light emitting device are different from each other,
- wherein the resin layer covers the light source,
- wherein the optical pattern includes a first optical pattern and a second optical pattern spaced apart from the first optical pattern,
- wherein the first optical pattern overlaps the first light emitting device in a vertical direction and reflects light emitted through an emission surface of the first light emitting device,
- wherein the second optical pattern overlaps the second light emitting device in the vertical direction and reflects light emitted through an emission surface of the second light emitting device,
- wherein the air gap portion is disposed around each of the first and second optical patterns,
- wherein the air gap portion and the light-transmitting layer are disposed on the resin layer,
- wherein the emission surfaces of the first light emitting device and the second light emitting device have different areas,
- wherein upper surfaces of the first light emitting device and the second light emitting device have different areas,
- wherein each of the first and second optical patterns has a reflective material, and
- wherein each of the first and second optical patterns has regions with different thicknesses.
18 more elements
A lighting device comprising:
- a substrate;
- a reflective layer disposed on the substrate;
- a light source passing through the reflective layer and disposed on the substrate;
- a resin layer disposed on the reflective layer;
- and
- a plurality of optical patterns disposed on the resin layer;
- a plurality of air gap portions disposed around each of the plurality of optical patterns;
- and
- a light-transmitting layer disposed outside the plurality of air gap portions and including a resin material,
- wherein the light source includes M first light emitting devices and N second light emitting devices spaced apart from the M first light emitting devices, wherein M is a natural number greater than N,
- wherein a length in a long axis direction of the first light emitting device is greater than a length in a long axis direction of the second light emitting device,
- wherein a maximum width of the resin layer overlapping in the long axis direction of the second light emitting device passing over a center of the second light emitting device is in a range of 2 to 2.2 times the length of the long axis direction of the first light emitting device,
- wherein the resin layer covers the light source,
- wherein each of the plurality of optical patterns overlaps a portion of each of the first and second light emitting devices in a vertical direction and reflects light emitted through an emitting surface of each of the first and second light emitting devices,
- wherein the air gap portions and the light-transmitting layer are disposed on the resin layer,
- wherein upper surface of each of the first light emitting devices has a larger area than an area of upper surface of each of the second light emitting devices,
- wherein the emission surface of each of the first light emitting devices has a larger area than an area of the emission surface of each of the second light emitting devices,
- wherein each of the plurality of optical patterns has a reflective material, and
- wherein each of the plurality of optical patterns has regions with different thicknesses.
16 more elements
Dependencies are inferred from the claim text.