公开(公告)号：US12002411B2

公开(公告)日：2024-06-04

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 ,  F16M11/08 ,  H01L33/62

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

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：US11908357B2

公开(公告)日：2024-02-20

申请号：US17916915

申请日：2020-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Kyungho Lee ,  Jaewoon Lee ,  Eungdoo Kim

IPC: G09G3/00 ,  H01L25/075 ,  H01L25/16

CPC classification number: G09G3/005 ,  H01L25/0753 ,  H01L25/167 ,  G09G2360/12

Abstract: The present invention provides a persistence of vision (POV) display device using a light emitting element, the display device comprising: a fixed module including a motor; a rotating module located on the fixed module and rotated by the motor; at least one panel coupled to the rotating module; a plurality of light sources arranged on the panel and having a plurality of pixels; a light source module including a light emitting element array in which the plurality of light sources are arranged in a longitudinal direction; memory that stores video data received from an external source device; and a controller that controls the order of input of the video data and the order of output of the video data.

公开(公告)号：US10229631B2

公开(公告)日：2019-03-12

申请号：US15070791

申请日：2016-03-15

Applicant: LG ELECTRONICS INC.

Inventor： Jaewoon Lee ,  Chisun Kim ,  Janghwan Cho ,  Bongchu Shim

IPC: G09G3/32 ,  G09G3/3225

Abstract: A display device including semiconductor light-emitting diodes; a plurality of scan lines configured to transmit a scan driving signal to the semiconductor light-emitting diodes and located parallel to each other; a plurality of data lines intersecting the scan lines and configured to transmit a data driving signal to the semiconductor light-emitting diodes; and a first driver and a second driver connected to the scan lines and the data lines and configured to provide the scan driving signal and the data driving signal. Further, the data lines are split into a first data group of data lines connected to the first driver and a second data group of data lines connected to the second driver.