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: 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
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Publication number: 20230175666Abstract: 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: May 13, 2021Publication date: June 8, 2023Inventors: Eay Jin LIM, Gyeong II JIN
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Publication number: 20230120518Abstract: 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: ApplicationFiled: March 11, 2021Publication date: April 20, 2023Inventors: Eay Jin LIM, Seong Jin KIM
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Patent number: 11169318Abstract: Disclosed in an embodiment is a lighting device comprising: a light conversion module including one surface and the other surface; and a light source module disposed at a side surface of the light conversion module, wherein the light source module comprises a plurality of light emitting elements disposed so as to be spaced in a first direction, the first direction is a thickness direction of the light conversion module, and at least one among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction.Type: GrantFiled: October 19, 2020Date of Patent: November 9, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Dong Hyun Lee
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Patent number: 11041593Abstract: An embodiment provides a lighting device comprising: a conversion unit including an optical layer having a plurality of optical patterns; a light emitting element for emitting light toward the optical patterns; and a circuit board on which the light emitting element is disposed, wherein the plurality of optical patterns are spaced apart from each other in a first direction and extend in a second direction intersecting the first direction, and the optical layer has a curvature in the first direction.Type: GrantFiled: August 27, 2020Date of Patent: June 22, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Hyun Duck Yang, Seong Jin Kim, Eay Jin Lim, Kwang Ho Park, Jae Hyuk Jang, Young Jae Choi
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Patent number: 11022269Abstract: A lighting device according to one embodiment comprises: a housing having an opening; a half mirror member arranged in the opening; a first light source unit for emitting light at the half mirror member; a mirror member for re-reflecting light reflected by the half mirror member; a diffusion plate arranged between the first light source unit and the half mirror member; and a guide unit protruding from the lower surface of the housing, wherein the housing includes a first area and a second area formed by the guide unit, the first light source unit is arranged in the first area and the mirror member is arranged in the second area, and the diffusion plate can be supported by the guide unit. Therefore, the lighting device can implement various three-dimensional effects of an optical image according to a field of view by using the half mirror member and the mirror member during lighting.Type: GrantFiled: April 11, 2018Date of Patent: June 1, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Young Jae Choi, Seong Jin Kim, Hyun Duck Yang, Eay Jin Lim
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Publication number: 20210063631Abstract: Disclosed in an embodiment is a lighting device comprising: a light conversion module including one surface and the other surface; and a light source module disposed at a side surface of the light conversion module, wherein the light source module comprises a plurality of light emitting elements disposed so as to be spaced in a first direction, the first direction is a thickness direction of the light conversion module, and at least one among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction.Type: ApplicationFiled: October 19, 2020Publication date: March 4, 2021Inventors: Eay Jin LIM, Dong Hyun Lee
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Patent number: 10895362Abstract: A lighting device may include a plurality of light sources which are disposed on the circumference of a concentric circle, a light guide which surrounds the light sources and is disposed adjacent to the light sources, and a cover member which surrounds the upper surfaces of the light sources and the upper and side surfaces of the light guide. The light guide has a first surface in the light source direction and a second surface in a direction opposite to the light source which have an inclination with respect to the optical axis of the light emitted from the light sources. The cover member has a light transmitting pattern in a light diffusion region facing the upper surface of the light guide.Type: GrantFiled: September 13, 2018Date of Patent: January 19, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Seung Jong Baek, Kyu Sung Han
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Publication number: 20200393092Abstract: An embodiment provides a lighting device comprising: a conversion unit including an optical layer having a plurality of optical patterns; a light emitting element for emitting light toward the optical patterns; and a circuit board on which the light emitting element is disposed, wherein the plurality of optical patterns are spaced apart from each other in a first direction and extend in a second direction intersecting the first direction, and the optical layer has a curvature in the first direction.Type: ApplicationFiled: August 27, 2020Publication date: December 17, 2020Inventors: Hyun Duck Yang, Seong Jin Kim, Eay Jin Lim, Kwang Ho Park, Jae Hyuk Jang, Young Jae Choi
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Patent number: 10845528Abstract: Disclosed in an embodiment is a lighting device comprising: a light conversion module including one surface and the other surface; and a light source module disposed at a side surface of the light conversion module, wherein the light source module comprises a plurality of light emitting elements disposed so as to be spaced in a first direction, the first direction is a thickness direction of the light conversion module, and at least one among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction.Type: GrantFiled: November 3, 2017Date of Patent: November 24, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Dong Hyun Lee
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Patent number: 10788169Abstract: An embodiment provides a lighting device comprising: a conversion unit including an optical layer having a plurality of optical patterns; a light emitting element for emitting light toward the optical patterns; and a circuit board on which the light emitting element is disposed, wherein the plurality of optical patterns are spaced apart from each other in a first direction and extend in a second direction intersecting the first direction, and the optical layer has a curvature in the first direction.Type: GrantFiled: February 2, 2018Date of Patent: September 29, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Hyun Duck Yang, Seong Jin Kim, Eay Jin Lim, Kwang Ho Park, Jae Hyuk Jang, Young Jae Choi
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Publication number: 20200271294Abstract: An embodiment provides a lighting device comprising: a plurality of light sources which are disposed on the circumference of a concentric circle; a light guide portion which surrounds the light sources and is disposed adjacent to the light sources; and a cover member which surrounds the upper surfaces of the light sources and the upper and side surfaces of the light guide portion, wherein the light guide portion has a first surface in the light source direction and a second surface in a direction opposite to the light source which have an inclination with respect to the optical axis of the light emitted from the light sources, and wherein the cover member has a light transmitting pattern in a light diffusion region facing the upper surface of the light guide portion.Type: ApplicationFiled: September 13, 2018Publication date: August 27, 2020Inventors: Eay Jin LIM, Seung Jong BAEK, Kyu Sung HAN
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Patent number: 10746355Abstract: Provided is a lighting device that converts an exiting light into a stereoscopic light having a sense of depth or a sense of volume, whereby light images having stereoscopic effects can be implemented using light emitted from a light-emitting device and simultaneously, a structure of a printed circuit board (PCB) located at a lower portion of a light passage portion is eliminated and a direct-type light-emitting device located at sides of the light passage portion and having high versatility is used such that flexibility of the light passage portion is attained and a degree of freedom of a design can be enhanced.Type: GrantFiled: December 21, 2016Date of Patent: August 18, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Eay Jin Lim, Jae Hyuk Jang, Hyun Duck Yang
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Publication number: 20200049322Abstract: A lighting device according to one embodiment comprises: a housing having an opening; a half mirror member arranged in the opening; a first light source unit for emitting light at the half mirror member; a mirror member for re-reflecting light reflected by the half mirror member; a diffusion plate arranged between the first light source unit and the half mirror member; and a guide unit protruding from the lower surface of the housing, wherein the housing includes a first area and a second area formed by the guide unit, the first light source unit is arranged in the first area and the mirror member is arranged in the second area, and the diffusion plate can be supported by the guide unit. Therefore, the lighting device can implement various three-dimensional effects of an optical image according to a field of view by using the half mirror member and the mirror member during lighting.Type: ApplicationFiled: April 11, 2018Publication date: February 13, 2020Applicant: LG INNOTEK CO., LTD.Inventors: Young Jae CHOI, Seong Jin KIM, Hyun Duck YANG, Eay Jin LIM
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Publication number: 20200011489Abstract: An embodiment provides a lighting device comprising: a conversion unit including an optical layer having a plurality of optical patterns; a light emitting element for emitting light toward the optical patterns; and a circuit board on which the light emitting element is disposed, wherein the plurality of optical patterns are spaced apart from each other in a first direction and extend in a second direction intersecting the first direction, and the optical layer has a curvature in the first direction.Type: ApplicationFiled: February 2, 2018Publication date: January 9, 2020Inventors: Hyun Duck YANG, Seong Jin KIM, Eay Jin LIM, Kwang Ho PARK, Jae Hyuk JANG, Young Jae CHOI
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Publication number: 20190278015Abstract: Disclosed in an embodiment is a lighting device comprising: a light conversion module including one surface and the other surface; and a light source module disposed at a side surface of the light conversion module, wherein the light source module comprises a plurality of light emitting elements disposed so as to be spaced in a first direction, the first direction is a thickness direction of the light conversion module, and at least one among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction.Type: ApplicationFiled: November 3, 2017Publication date: September 12, 2019Inventors: Eay Jin LIM, Dong Hyun LEE
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Publication number: 20180372279Abstract: Provided is a lighting device that converts an exiting light into a stereoscopic light having a sense of depth or a sense of volume, whereby light images having stereoscopic effects can be implemented using light emitted from a light-emitting device and simultaneously, a structure of a printed circuit board (PCB) located at a lower portion of a light passage portion is eliminated and a direct-type light-emitting device located at sides of the light passage portion and having high versatility is used such that flexibility of the light passage portion is attained and a degree of freedom of a design can be enhanced.Type: ApplicationFiled: December 21, 2016Publication date: December 27, 2018Inventors: Eay Jin LIM, Jae Hyuk JANG, Hyun Duck YANG