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.

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：US20160123556A1

公开(公告)日：2016-05-05

申请号：US14621023

申请日：2015-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Euna MOON ,  Hongkyu LEE ,  Yeonhong JUNG

IPC: F21V9/16 ,  C09K11/77

CPC classification number: F21V9/30 ,  C09K11/7721 ,  C09K11/7734 ,  C09K11/7774 ,  F21Y2113/13 ,  F21Y2115/10 ,  H01L25/0753 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/8592 ,  H01L2924/0002 ,  Y02B20/181 ,  H01L2924/00014 ,  H01L2924/00

Abstract: A light emitting device is provided. The light emitting device includes a first white light source emitting a white light of which color coordinates exist within a MacAdam 10-step ellipse from color coordinates (0.4822, 0.3980); a second white light source emitting a white light of which color coordinates exist within a MacAdam 10-step ellipse from color coordinates (0.4180, 0.4337); and a third white light source emitting a white light of which color coordinates exist within a MacAdam 10-step ellipse from color coordinates (0.2806, 0.2981).

Abstract translation: 提供了一种发光器件。 发光器件包括从颜色坐标（0.4822,0.33980）发射白色光的第一白色光源，其中的色坐标存在于MacAdam 10步椭圆内; 从颜色坐标（0.4180,0.4337）发出在MacAdam 10步椭圆内存在颜色坐标的白光的第二白光源; 以及从颜色坐标（0.2806,0.2891）发射在MacAdam 10步椭圆内存在颜色坐标的白光的第三白光源。