公开(公告)号：US20210026056A1

公开(公告)日：2021-01-28

申请号：US16968099

申请日：2018-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Kwanwoo PARK ,  Kisuk WOO ,  Seokhoon KANG ,  Jeongin CHEON

IPC: F21V8/00

Abstract: Discussed is a lamp or a lighting device including a substrate; a plurality of semiconductor light-emitting devices; a light guide layer provided with an incident light surface on which light emitted from the plurality of semiconductor light-emitting devices is incident and a light exit surface from which the light is emitted; a first reflective layer disposed on one surface of the light guide layer facing towards the light exit surface to reflect the light; and a second reflective layer disposed on another surface different from the one surface of the light guide layer on which the first reflective layer is disposed, wherein the first reflective layer is disposed on the same surface as the incident light surface, and wherein the second reflective layer is disposed obliquely to the incident light surface to allow light incident on the incident light surface to travel along the light guide layer

公开(公告)号：US20150357531A1

公开(公告)日：2015-12-10

申请号：US14621124

申请日：2015-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Euna MOON ,  Dohyung LEE ,  Seokhoon KANG ,  Jeongsoo LEE ,  Sejoon YOU

IPC: H01L33/50

CPC classification number: H01L33/504 ,  C09K11/7721 ,  C09K11/7731 ,  C09K11/7734 ,  C09K11/7774 ,  H01L33/505 ,  H01L2224/48091 ,  H01L2224/8592 ,  H01L2924/00014

Abstract: A light emitting device is provided. The light emitting device includes a blue light emitting diode (LED); and phosphors including first to third phosphors, wherein the first phosphor is excited by light emitted from the blue LED, emits light having a main wavelength of about 495 nm to about 510 nm, and includes BaSi2O2N2:Eu or (Bax,Sr1-x)Si2O2N2:Eu where 0

Abstract translation: 提供了一种发光器件。 发光器件包括蓝色发光二极管（LED）; 以及包括第一至第三荧光体的荧光体，其中第一荧光体被从蓝色LED发射的光激发，发射主波长为约495nm至约510nm的光，并且包括BaSi 2 O 2 N 2：Eu或（Bax，Sr 1-x） Si 2 O 2 N 2：Eu，其中0

公开(公告)号：US20220381423A1

公开(公告)日：2022-12-01

申请号：US17774048

申请日：2019-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Seokhoon KANG ,  Yongdae KANG ,  Euna MOON

IPC: F21V14/02

Abstract: The present disclosure is applicable to a display apparatus-related technical field, and relates to, for example, a rotating type display apparatus using light emitting diodes (LEDs) which are semiconductor light emitting devices. According to the present disclosure, the rotating type display apparatus using the light-emitting devices comprises: a fixed portion including a motor; a rotating unit located on the fixed portion and rotated by the motor; and a light source device coupled to the rotating unit and implementing a display by using an afterimage while rotating with the rotating unit, wherein the light source device may comprise: at least one panel radially arranged or at least one panel arranged along a cylindrical surface; a light emitting device array in which individual pixels are arranged in the lengthwise direction on each panel; and a barrier wall located on the panel on at least one side of the individual pixels.