# US 2025/0093571 A1 · Lighting module, lighting device, and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0093571 A1 - Document ID: US20250093571A1 - Status: Published application - Kind: A1 - Application number: 18/965,175 - Filed: 2024-12-02 - Published: 2025-03-20 - Earliest claimed: 2018-12-26 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Young Jae Choi - Web page: https://patentgrep.com/patent/US20250093571A1 ## CPC - F21V 7/0016: {on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes} - G02B 6/0065: {Manufacturing aspects; Material aspects} - F21S 43/195: {Details of lamp holders, terminals or connectors} - F21S 43/26: {Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255} - F21S 43/2605: {Refractors} - F21S 43/28135: {Structures encapsulating the light source} - F21S 45/50: Waterproofing - F21V 7/05: plane - G02B 6/0031: {Reflecting element, sheet or layer} - G02B 6/0051: {Diffusing sheet or layer} - G02B 6/0068: {Arrangements of plural sources, e.g. multi-colour light sources} - G02B 6/0073: {Light emitting diode [LED]} - H10W 90/00: Package configurations - F21S 2/005: {of modular construction} - F21S 43/16: Light sources where the light is generated by photoluminescent material spaced from a primary light generating element - F21Y 2115/10: Light-emitting diodes [LED] - H10H 20/856: Reflecting means - H10H 20/882: {Scattering means (H10H20/82 takes precedence)} - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract A lighting device disclosed in an embodiment of the invention includes a substrate; a light source including a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate; and a first diffusion layer disposed on the resin layer, wherein the resin layer includes a first resin portion disposed on the light source, and a second resin portion adjacent to the first resin portion and disposed on the substrate. The upper surface of the first resin portion has an inclination and is spaced apart from the first diffusion layer, the second resin portion includes a material different from that of the first resin portion, and the second resin portion based on the upper surface of the substrate. The height of the upper surface may be greater than the lowermost height of the upper surface of the first resin portion. ## Claims ### Claim 1 A lighting device comprising: a substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate and the plurality of light emitting devices; a transparent layer disposed on the resin layer; a diffusion layer disposed on the transparent layer; and a plurality of light shielding portions disposed between the transparent layer and the diffusion layer; a plurality of air regions between the resin layer and the diffusion layer, wherein at least one of the plurality of air regions is spaced apart from at least one of the plurality of light shielding portions. ### Claim 2 (depends on 1) The lighting device of claim 1, comprising: a first adhesive layer disposed between the transparent layer and the resin layer. ### Claim 3 (depends on 2) The lighting device of claim 2, comprising: a second adhesive layer disposed between the transparent layer and the diffusion layer. ### Claim 4 (depends on 3) The lighting device of claim 3, wherein the first adhesive layer is in contact with the transparent layer and the resin layer. ### Claim 5 (depends on 3) The lighting device of claim 3, wherein the second adhesive layer is in contact with the plurality of light shielding portions. ### Claim 6 (depends on 3) The lighting device of claim 3, wherein the second adhesive layer is in contact with the plurality of light shielding portions and the transparent layer. ### Claim 7 (depends on 3) The lighting device of claim 3, wherein the second adhesive layer is disposed in a region between the plurality of light shielding portions. ### Claim 8 (depends on 3) The lighting device of claim 3, wherein the second adhesive layer is in contact with the plurality of light shielding portions and the diffusion layer. ### Claim 9 (depends on 3) The lighting device of claim 3, wherein each of the plurality of light shielding portions overlaps each of plurality of light emitting devices in a vertical direction. ### Claim 10 (depends on 3) The lighting device of claim 3, wherein each of the plurality of light shielding portions overlaps the first and second adhesive layers in a vertical direction. ### Claim 11 (depends on 3) The lighting device of claim 3, wherein each of the plurality of light blocking portions has a first region overlapping the light emitting device and a second region not overlapping the light emitting device in a vertical direction. ### Claim 12 (depends on 11) The lighting device of claim 11, wherein an upper surface area of the first region is smaller than an upper surface area of the second region. ### Claim 13 (depends on 3) The lighting device of claim 3, wherein an area of an upper surface of each of the plurality of light shielding portions is different from an area of each of the air regions. ### Claim 14 (depends on 3) The lighting device of claim 3, wherein the light emitting devices emit light in a first direction toward a side surface of the resin layer, and wherein each of the light shielding portions has a maximum length in the first direction equal to or smaller than a maximum width in a second direction orthogonal to the first direction. ### Claim 15 (depends on 14) The lighting device of claim 14, wherein the maximum width is in a range of 13 mm to 17 mm. ### Claim 16 (depends on 14) The lighting device of claim 14, wherein the maximum width is greater than a length of the light emitting device in the second direction. ### Claim 17 (depends on 1) The lighting device of claim 1, wherein an outer side surface of each of the light shielding portions includes regions having a convex curved surface. ### Claim 18 (depends on 1) The lighting device of claim 1, wherein a thickness of the transparent layer is thinner than a thickness of the diffusion layer. ### Claim 19 (depends on 1) The lighting device of claim 1, wherein a thickness of the light shielding portion is in a range of 100 to 200 μm. ### Claim 20 (depends on 1) The lighting device of claim 1, comprising: a reflective member disposed between the resin layer and the substrate and having a plurality of openings, wherein each of the light emitting devices is connected to the substrate through each of the openings.