Patents by Inventor Eay Jin LIM
Eay Jin LIM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12723727Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a plurality of light sources arranged in a second direction on the substrate; a lighting module having a light guide portion disposed on the substrate and the light sources; an optical lens disposed on the lighting module, the optical lens having an incident surface having a width greater than a width of the lighting module in a first direction, and an exit surface from which light incident on the incident surface is emitted; and a reflecting member having an insertion hole in which the light guide portion is disposed, a reflective portion extending to both sides of the insertion hole and covering both sides of the light guide portion, and a supporting portion supporting a lower edge of the optical lens, wherein the light guide portion and the insertion hole have a width in the first direction smaller than a length in the second direction, and an upper end of the reflective portion may be positioned higher than an upper end oType: GrantFiled: June 20, 2025Date of Patent: September 1, 2026Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Kwang Hyun Ko, Hyun Duck Yang, Dong Hyun Lee
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Patent number: 12698880Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective member disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective member; and an optical pattern portion having a plurality of concave portions concavely formed on an upper surface of the resin layer, wherein the plurality of light emitting devices is spaced apart in a first direction in which light is emitted, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from a position overlapping a center of each of the plurality of light emitting devices in the first direction, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from the center of the optical pattern portion toward both sides of a second direction.Type: GrantFiled: April 17, 2025Date of Patent: August 4, 2026Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Gyeong Il Jin
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Patent number: 12669230Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a light source disposed on the substrate; and a light guide member disposed on the substrate and the light source, wherein the light guide member includes an exit surface and a first reflective surface facing the exit surface, the first reflective surface includes a plurality of reflective portions having different heights with respect to an upper surface of the substrate, and each of the plurality of reflective portions may include a plurality of first surfaces inclined with respect to the upper surface of the substrate.Type: GrantFiled: July 31, 2025Date of Patent: June 30, 2026Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Kwang Hyun Ko, Hyun Duck Yang, Dong Hyun Lee
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Publication number: 20260160399Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective member disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective member; and an optical pattern portion having a plurality of concave portions concavely formed on an upper surface of the resin layer, wherein the plurality of light emitting devices is spaced apart in a first direction in which light is emitted, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from a position overlapping a center of each of the plurality of light emitting devices in the first direction, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from the center of the optical pattern portion toward both sides of a second direction.Type: ApplicationFiled: April 17, 2025Publication date: June 11, 2026Inventors: Eay Jin Lim, Gyeong Il Jin
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Publication number: 20260132905Abstract: The lighting device disclosed at an embodiment of the invention comprises a substrate; a light source disposed on the substrate; a resin layer disposed on the substrate; and an optical member disposed on the resin layer, wherein the optical member includes a base layer, a pattern layer disposed on the base layer, and a reflective layer disposed on the pattern layer, and a pattern of the pattern layer includes a first surface and a second surface having a predetermined angle with respect to the first surface, the reflective layer is disposed on the first surface, and a difference between a intensity of light emitted to an outside through the first surface and the second surface may be 5 times or more.Type: ApplicationFiled: January 7, 2026Publication date: May 14, 2026Inventor: Eay Jin LIM
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Patent number: 12553587Abstract: The lighting device disclosed at an embodiment of the invention comprises a substrate; a light source disposed on the substrate; a resin layer disposed on the substrate; and an optical member disposed on the resin layer, wherein the optical member includes a base layer, a pattern layer disposed on the base layer, and a reflective layer disposed on the pattern layer, and a pattern of the pattern layer includes a first surface and a second surface having a predetermined angle with respect to the first surface, the reflective layer is disposed on the first surface, and a difference between a intensity of light emitted to an outside through the first surface and the second surface may be 5 times or more.Type: GrantFiled: August 18, 2022Date of Patent: February 17, 2026Assignee: LG INNOTEK CO., LTD.Inventor: Eay Jin Lim
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Publication number: 20250369592Abstract: The lighting device disclosed at an embodiment of the invention includes a substrate; a first reflective layer disposed on the substrate and having a plurality of reflection patterns; a light source disposed on the substrate; a resin layer disposed on the first reflective layer; and a second reflective layer disposed on the resin layer and having a plurality of holes, wherein an arrangement form of the plurality of holes is the same as that of the plurality of reflection patterns.Type: ApplicationFiled: August 19, 2025Publication date: December 4, 2025Inventors: Eay Jin LIM, Seong Jin KIM
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Publication number: 20250354671Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a light source disposed on the substrate; and a light guide member disposed on the substrate and the light source, wherein the light guide member includes an exit surface and a first reflective surface facing the exit surface, the first reflective surface includes a plurality of reflective portions having different heights with respect to an upper surface of the substrate, and each of the plurality of reflective portions may include a plurality of first surfaces inclined with respect to the upper surface of the substrate.Type: ApplicationFiled: July 31, 2025Publication date: November 20, 2025Inventors: Eay Jin LIM, Kwang Hyun KO, Hyun Duck YANG, Dong Hyun LEE
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Publication number: 20250314363Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a plurality of light sources arranged in a second direction on the substrate; a lighting module having a light guide portion disposed on the substrate and the light sources; an optical lens disposed on the lighting module, the optical lens having an incident surface having a width greater than a width of the lighting module in a first direction, and an exit surface from which light incident on the incident surface is emitted; and a reflecting member having an insertion hole in which the light guide portion is disposed, a reflective portion extending to both sides of the insertion hole and covering both sides of the light guide portion, and a supporting portion supporting a lower edge of the optical lens, wherein the light guide portion and the insertion hole have a width in the first direction smaller than a length in the second direction, and an upper end of the reflective portion may be positioned higher than an upper end oType: ApplicationFiled: June 20, 2025Publication date: October 9, 2025Inventors: Eay Jin LIM, Kwang Hyun Ko, Hyun Duck Yang, Dong Hyun Lee
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Patent number: 12416830Abstract: The lighting device disclosed at an embodiment of the invention includes a substrate; a first reflective layer disposed on the substrate and having a plurality of reflection patterns; a light source disposed on the substrate; a resin layer disposed on the first reflective layer, and a second reflective layer disposed on the resin layer and having a plurality of holes, wherein an arrangement form of the plurality of holes is the same as that of the plurality of reflection patterns.Type: GrantFiled: September 16, 2022Date of Patent: September 16, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Seong Jin Kim
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Patent number: 12410901Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a plurality of light sources arranged in a second direction on the substrate; a lighting module having a light guide portion disposed on the substrate and the light sources; an optical lens disposed on the lighting module, the optical lens having an incident surface having a width greater than a width of the lighting module in a first direction, and an exit surface from which light incident on the incident surface is emitted; and a reflecting member having an insertion hole in which the light guide portion is disposed, a reflective portion extending to both sides of the insertion hole and covering both sides of the light guide portion, and a supporting portion supporting a lower edge of the optical lens, wherein the light guide portion and the insertion hole have a width in the first direction smaller than a length in the second direction, and an upper end of the reflective portion may be positioned higher than an upper end oType: GrantFiled: April 4, 2023Date of Patent: September 9, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Kwang Hyun Ko, Hyun Duck Yang, Dong Hyun Lee
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Patent number: 12398854Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a light source disposed on the substrate; and a light guide member disposed on the substrate and the light source, wherein the light guide member includes an exit surface and a first reflective surface facing the exit surface, the first reflective surface includes a plurality of reflective portions having different heights with respect to an upper surface of the substrate, and each of the plurality of reflective portions may include a plurality of first surfaces inclined with respect to the upper surface of the substrate.Type: GrantFiled: April 4, 2023Date of Patent: August 26, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Kwang Hyun Ko, Hyun Duck Yang, Dong Hyun Lee
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Patent number: 12352404Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective member disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective member; and an optical pattern portion having a plurality of concave portions concavely formed on an upper surface of the resin layer, wherein the plurality of light emitting devices is spaced apart in a first direction in which light is emitted, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from a position overlapping a center of each of the plurality of light emitting devices in the first direction, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from the center of the optical pattern portion toward both sides of a second direction.Type: GrantFiled: April 8, 2024Date of Patent: July 8, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Gyeong Il Jin
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Publication number: 20250207748Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a light source disposed on the substrate; and a light guide member disposed on the substrate and the light source, wherein the light guide member includes an exit surface and a first reflective surface facing the exit surface, the first reflective surface includes a plurality of reflective portions having different heights with respect to an upper surface of the substrate, and each of the plurality of reflective portions may include a plurality of first surfaces inclined with respect to the upper surface of the substrate.Type: ApplicationFiled: April 4, 2023Publication date: June 26, 2025Inventors: Eay Jin LIM, Kwang Hyun KO, Hyun Duck YANG, Dong Hyun LEE
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Publication number: 20250198588Abstract: A lighting device disclosed in an embodiment of the invention comprises a substrate; a plurality of light sources arranged in a second direction on the substrate; a lighting module having a light guide portion disposed on the substrate and the light sources; an optical lens disposed on the lighting module, the optical lens having an incident surface having a width greater than a width of the lighting module in a first direction, and an exit surface from which light incident on the incident surface is emitted; and a reflecting member having an insertion hole in which the light guide portion is disposed, a reflective portion extending to both sides of the insertion hole and covering both sides of the light guide portion, and a supporting portion supporting a lower edge of the optical lens, wherein the light guide portion and the insertion hole have a width in the first direction smaller than a length in the second direction, and an upper end of the reflective portion may be positioned higher than an upper end oType: ApplicationFiled: April 4, 2023Publication date: June 19, 2025Inventors: Eay Jin LIM, Kwang Hyun KO, Hyun Duck YANG, Dong Hyun LEE
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Publication number: 20250004325Abstract: The lighting device disclosed at an embodiment of the invention includes a substrate; a first reflective layer disposed on the substrate and having a plurality of reflection patterns; a light source disposed on the substrate; a resin layer disposed on the first reflective layer, and a second reflective layer disposed on the resin layer and having a plurality of holes, wherein an arrangement form of the plurality of holes is the same as that of the plurality of reflection patterns.Type: ApplicationFiled: September 16, 2022Publication date: January 2, 2025Inventors: Eay Jin LIM, Seong Jin KIM
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Publication number: 20240280237Abstract: The lighting device disclosed at an embodiment of the invention comprises a substrate; a light source disposed on the substrate; a resin layer disposed on the substrate; and an optical member disposed on the resin layer, wherein the optical member includes a base layer, a pattern layer disposed on the base layer, and a reflective layer disposed on the pattern layer, and a pattern of the pattern layer includes a first surface and a second surface having a predetermined angle with respect to the first surface, the reflective layer is disposed on the first surface, and a difference between a intensity of light emitted to an outside through the first surface and the second surface may be 5 times or more.Type: ApplicationFiled: August 18, 2022Publication date: August 22, 2024Inventor: Eay Jin LIM
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Publication number: 20240255112Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective member disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective member; and an optical pattern portion having a plurality of concave portions concavely formed on an upper surface of the resin layer, wherein the plurality of light emitting devices is spaced apart in a first direction in which light is emitted, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from a position overlapping a center of each of the plurality of light emitting devices in the first direction, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from the center of the optical pattern portion toward both sides of a second direction.Type: ApplicationFiled: April 8, 2024Publication date: August 1, 2024Inventors: Eay Jin LIM, Gyeong II JIN
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Patent number: 11976801Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a reflective member disposed on the substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the reflective member; and an optical pattern portion having a plurality of concave portions concavely formed on an upper surface of the resin layer, wherein the plurality of light emitting devices is spaced apart in a first direction in which light is emitted, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from a position overlapping a center of each of the plurality of light emitting devices in the first direction, wherein the optical pattern portion includes a pattern portion in which a width of the concave portions is reduced from the center of the optical pattern portion toward both sides of a second direction.Type: GrantFiled: May 13, 2021Date of Patent: May 7, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Gyeong Il Jin
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Patent number: 11774665Abstract: A light source module comprises: a printed circuit board; a light source disposed on the printed circuit board; a first light guide layer disposed on the printed circuit board, and accommodating the light source; and a second light guide layer disposed above the first light guide layer, wherein a material of the first light guide layer is different from that of the second light guide layer, and a refractive index of the first light guide layer is greater than that of the second light guide layer.Type: GrantFiled: March 11, 2021Date of Patent: October 3, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Seong Jin Kim