公开(公告)号：US11774665B2

公开(公告)日：2023-10-03

申请号：US17908737

申请日：2021-03-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Eay Jin Lim ,  Seong Jin Kim

IPC: F21V8/00

CPC classification number: G02B6/0065 ,  G02B6/0073

Abstract: 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.

公开(公告)号：US11976801B2

公开(公告)日：2024-05-07

申请号：US17925626

申请日：2021-05-13

Applicant: LG INNOTEK CO., LTD.

Inventor： Eay Jin Lim ,  Gyeong Il Jin

IPC: F21S43/242 ,  F21S43/14 ,  F21S43/31

CPC classification number: F21S43/242 ,  F21S43/14 ,  F21S43/31

Abstract: 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.

公开(公告)号：US11169318B2

公开(公告)日：2021-11-09

申请号：US17074061

申请日：2020-10-19

Applicant: LG INNOTEK CO., LTD.

Inventor： Eay Jin Lim ,  Dong Hyun Lee

IPC: F21V8/00 ,  H01L33/58 ,  F21K9/60 ,  F21V7/00 ,  F21S2/00 ,  F21K9/68 ,  F21K9/61 ,  F21K9/69 ,  G02B30/00

Abstract: 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.

公开(公告)号：US10788169B2

公开(公告)日：2020-09-29

申请号：US16482422

申请日：2018-02-02

Applicant: LG INNOTEK CO., LTD.

Inventor： Hyun Duck Yang ,  Seong Jin Kim ,  Eay Jin Lim ,  Kwang Ho Park ,  Jae Hyuk Jang ,  Young Jae Choi

IPC: F21V1/00 ,  F21K9/65 ,  F21K9/68 ,  F21K9/69 ,  F21V3/02 ,  F21V13/04 ,  F21Y105/12 ,  F21Y115/10

Abstract: 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.

公开(公告)号：US11041593B2

公开(公告)日：2021-06-22

申请号：US17004580

申请日：2020-08-27

Applicant: LG INNOTEK CO., LTD.

Inventor： Hyun Duck Yang ,  Seong Jin Kim ,  Eay Jin Lim ,  Kwang Ho Park ,  Jae Hyuk Jang ,  Young Jae Choi

IPC: F21K9/65 ,  F21K9/68 ,  F21S43/19 ,  F21S43/15 ,  F21K9/69 ,  F21V3/02 ,  F21V13/04 ,  F21Y105/12 ,  F21Y115/10

Abstract: 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.

公开(公告)号：US11022269B2

公开(公告)日：2021-06-01

申请号：US16605836

申请日：2018-04-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Young Jae Choi ,  Seong Jin Kim ,  Hyun Duck Yang ,  Eay Jin Lim

IPC: F21S43/31 ,  F21S43/20 ,  G02B30/00 ,  F21W103/60 ,  F21W103/10 ,  F21W103/35

Abstract: 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.

公开(公告)号：US10895362B2

公开(公告)日：2021-01-19

申请号：US16646198

申请日：2018-09-13

Applicant: LG INNOTEK CO., LTD.

Inventor： Eay Jin Lim ,  Seung Jong Baek ,  Kyu Sung Han

IPC: F21S43/239 ,  F21S43/249

Abstract: 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.

公开(公告)号：US10746355B2

公开(公告)日：2020-08-18

申请号：US16064384

申请日：2016-12-21

Applicant: LG INNOTEK CO., LTD.

Inventor： Eay Jin Lim ,  Jae Hyuk Jang ,  Hyun Duck Yang

IPC: F21V21/00 ,  F21K9/61 ,  F21S43/20 ,  F21S43/245 ,  F21S43/31 ,  F21S43/239 ,  G02B6/00 ,  G02B30/27 ,  F21V7/04 ,  F21V7/10 ,  F21S43/14 ,  F21V19/00 ,  F21V33/00 ,  F21Y105/10 ,  F21Y115/00 ,  F21Y115/10

Abstract: 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.