公开(公告)号：US20230162633A1

公开(公告)日：2023-05-25

申请号：US17916977

申请日：2020-04-24

Applicant: LG ELECTRONICS INC.

Inventor： Kyungho LEE ,  Jaewoon LEE ,  Jeongin CHEON

IPC: G09G3/00

CPC classification number: G09G3/001 ,  G09G2320/02 ,  G09G2340/14

Abstract: The present invention relates to a POV display device using a light-emitting element, comprising: a fixed module including a motor; a rotary module located above the fixed module and rotated by means of the motor; at least one panel coupled to the rotary module; a plurality of light sources which are arranged on the panel and which have a plurality of pixels; a light source module including a light-emitting element array in which the plurality of light sources are arranged in the longitudinal direction thereof; and a controller for generating, between a first main frame and a second main frame, at least one subframe formed by means of the panel, wherein the first main frame can temporally precede the second main frame.

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：US20230154388A1

公开(公告)日：2023-05-18

申请号：US17916920

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Jaewoon LEE ,  Kwanwoo PARK ,  Seongjin PARK ,  Soobeom LEE ,  Jeongin CHEON ,  Kyungho LEE ,  Eungdoo KIM

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/005 ,  G09G2310/0264 ,  G09G2320/0233 ,  G09G2360/16

Abstract: The present invention relates to a persistence of vision (POV) display device using a light-emitting element, and the POV display device may comprise: a fixed module including a motor; a rotation module positioned on the fixed module and rotated by the motor; at least one panel coupled to the rotation module; a plurality of light sources arranged on the panel and having a plurality of pixels; a plurality of driver ICs which control the plurality of light sources, and are positioned on the panel and arranged in the opposite directions of the plurality of light sources; a light source module including a light-emitting element array in which the plurality of light sources are arranged in the longitudinal direction, and the plurality of driver ICs; and a controller which electrically separates clocks of the driver ICs and applies the separated clocks to the plurality of pixels.

公开(公告)号：US20230326397A1

公开(公告)日：2023-10-12

申请号：US18022403

申请日：2020-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kyungho LEE ,  Soobeom LEE ,  Jaewoon LEE ,  Jeongin CHEON

IPC: G09G3/32 ,  H01L33/62 ,  F16M11/08

CPC classification number: G09G3/32 ,  H01L33/62 ,  G09G2300/04 ,  F16M2200/00 ,  F16M11/08

Abstract: The present invention relates to a rotary type display device comprising a fixed module and a rotation module, wherein the rotation module comprises: a rotating body frame; a light source module; a first sensor for sensing a rotational speed and a phase of the rotation module; and an image output control unit for controlling an image output using the light source module, by using a first sensing value obtained through the first sensor, and the fixed module comprises: a fixed body frame; a motor for rotating the rotating body frame; a second sensor for sensing the rotational speed and the phase of the rotation module; and a motor control unit for controlling at least one of the rotational speed and phase of the motor by using a second sensing value obtained through the second sensor.

公开(公告)号：US20230274670A1

公开(公告)日：2023-08-31

申请号：US18018007

申请日：2020-08-03

Applicant: LG ELECTRONICS INC.

Inventor： Soobeom LEE ,  Kwanwoo PARK ,  Jeongin CHEON ,  Kyungho LEE

IPC: G09F9/33

CPC classification number: G09F9/33

Abstract: A rotating display device according to an embodiment comprises a fixed module and a rotation module rotatably connected to the fixed module, wherein the fixed module includes a motor for rotationally driving the rotation module, an input unit for receiving image data, and a light-emitting unit for emitting an optical signal corresponding to the image data, and the rotation module includes a light-receiving unit provided on the rotary shaft of the motor to receive the optical signal, and a light source module for outputting the image data received as the optical signal.

公开(公告)号：US20170195046A1

公开(公告)日：2017-07-06

申请号：US15397674

申请日：2017-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Jeongin CHEON ,  Dohyung LEE ,  Hongkyu LEE ,  Byunghun PARK

IPC: H04B10/116 ,  H04B10/073

CPC classification number: H04B10/116 ,  G06F3/04842 ,  G06F3/0488 ,  H04B10/073 ,  H04L12/2809 ,  H04L12/283 ,  H04L2012/285

Abstract: A method for operating an illumination system that includes at least one illumination device, a server configured to perform wireless communication with the illumination device, and a terminal configured to perform optical communication with the illumination device. The method includes sending information regarding an operation mode of the illumination device from the terminal to the server, sending a control signal from the server to the illumination device based on the information regarding an operation mode, performing visible light communication based on identification information of the illumination device when the illumination device receives the control signal, detecting the identification information of the illumination device through the terminal based on the visible light communication, matching the detected identification information with location information of the illumination device, and sending the identification information and the location information of the illumination device that are matched each other to the server.