公开(公告)号：US20240038942A1

公开(公告)日：2024-02-01

申请号：US18011622

申请日：2021-06-21

Applicant: LG INNOTEK CO., LTD.

Inventor： Kyoung Soo AHN ,  Young Min MOON ,  Kee Youn JANG

IPC: H01L33/50 ,  H01L33/54 ,  H01L33/60 ,  H01L33/06

CPC classification number: H01L33/504 ,  H01L33/54 ,  H01L33/60 ,  H01L33/06 ,  H01L2933/0091

Abstract: A lighting device according to an embodiment comprises a substrate, a light emitting device disposed on the substrate, a first reflective member disposed on the substrate, a resin layer disposed on the first reflective member, and a wavelength conversion layer disposed on the resin layer, wherein the resin layer includes a first resin layer, a second resin layer spaced apart from the first resin layer, and a third resin layer disposed between the first and second resin layers; the wavelength conversion layer includes a first wavelength conversion layer disposed on the first resin layer and a second wavelength conversion layer disposed on the second resin layer, and the height of the second resin layer is different from the height of the first resin layer; and the light emitting device may be disposed in a region vertically overlap the second and third resin layers but vertically overlap the first layer.

公开(公告)号：US20250067405A1

公开(公告)日：2025-02-27

申请号：US18944286

申请日：2024-11-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Kee Youn JANG ,  Dong Il EOM ,  Jae Hyuk JANG

IPC: F21K9/64 ,  F21S41/20 ,  F21S41/24 ,  F21V7/05 ,  F21V9/45

Abstract: The lighting device disclosed at an embodiment of the invention comprises: a reflective member; a resin layer disposed on the reflective member; a light emitting device disposed to correspond to one side surface of the resin layer; and a light wavelength conversion layer disposed on one surface of the resin layer. The light wavelength conversion layer includes a main phosphor pattern disposed in a long axis direction of the resin layer, the main phosphor pattern includes a first unit-phosphor pattern disposed in a first region and a second unit-phosphor pattern disposed in a second region, the first region may be located closer to the light emitting device than the second region, and a width of the first unit-phosphor pattern may be less than a width of the second unit-phosphor pattern.

公开(公告)号：US20240302016A1

公开(公告)日：2024-09-12

申请号：US18279466

申请日：2022-03-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Kyoung Soo AHN ,  Hyun Duck YANG ,  Young Min MOON ,  Kee Youn JANG

IPC: F21S41/43 ,  F21S41/143 ,  F21S41/151 ,  F21S41/32 ,  F21S41/36 ,  F21S43/14 ,  F21S43/31 ,  F21Y113/17

CPC classification number: F21S41/43 ,  F21S41/143 ,  F21S41/151 ,  F21S41/322 ,  F21S41/36 ,  F21S43/14 ,  F21S43/28135 ,  F21S43/315 ,  F21Y2113/17

Abstract: The lighting device disclosed in the embodiment of the invention includes a substrate; a plurality of light emitting devices disposed on the substrate and emitting light in at least a first direction; a resin layer sealing the plurality of light emitting devices; and an optical member disposed on the resin layer, wherein the resin layer may include a first light blocking portion integrally formed with the resin layer and having a transmittance lower than that of the resin layer on an emission-side region of each of the plurality of light emitting devices.

公开(公告)号：US20240200734A1

公开(公告)日：2024-06-20

申请号：US18286454

申请日：2022-04-27

Applicant: LG INNOTEK CO., LTD.

Inventor： Kee Youn JANG ,  Dong II EOM ,  Jae Hyuk JANG

IPC: F21K9/64 ,  F21S41/20 ,  F21S41/24 ,  F21V7/05 ,  F21V9/45

CPC classification number: F21K9/64 ,  F21S41/24 ,  F21S41/285 ,  F21V7/05 ,  F21V9/45

Abstract: The lighting device disclosed at an embodiment of the invention comprises: a reflective member; a resin layer disposed on the reflective member; a light emitting device disposed to correspond to one side surface of the resin layer; and a light wavelength conversion layer disposed on one surface of the resin layer. The light wavelength conversion layer includes a main phosphor pattern disposed in a long axis direction of the resin layer, the main phosphor pattern includes a first unit-phosphor pattern disposed in a first region and a second unit-phosphor pattern disposed in a second region, the first region may be located closer to the light emitting device than the second region, and a width of the first unit-phosphor pattern may be less than a width of the second unit-phosphor pattern.