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：US20230154366A1

公开(公告)日：2023-05-18

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.