公开(公告)号：US20240127745A1

公开(公告)日：2024-04-18

申请号：US18395105

申请日：2023-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jungmo Kang ,  Changhoon Kim ,  Yongmin Jung ,  Jonghoon Jung

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/04 ,  G09G2310/08 ,  G09G2320/0633 ,  G09G2330/021 ,  G09G2370/16

Abstract: A display device includes: Light Emitting Diode (LED) blocks connected in series; a driver Integrated Circuit which supplies a current to the LED blocks and is connected in series to one of the LED blocks; switching elements connected in parallel to the LED blocks; and a controller for controlling on/off of the switching elements to adjust which LED block to supply the current, over a time for implementing a unit frame.

公开(公告)号：US12217709B2

公开(公告)日：2025-02-04

申请号：US18125541

申请日：2023-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong Shin ,  Jungmo Kang ,  Changhoon Kim ,  Yongmin Jung

IPC: G09G3/34 ,  G02F1/1335 ,  G02F1/13357

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit light; a substrate including a plurality of dimming blocks arranged in rows and columns, each dimming block of the plurality of dimming blocks including at least one light source of the plurality of light sources; a first driving device configured to control a driving current applied to light sources in first dimming blocks of the plurality of dimming blocks; and a second driving device configured to control a driving current applied to light sources in second dimming blocks of the plurality of dimming blocks, wherein the first dimming blocks, the second dimming blocks, the first driving device, and the second driving device are arranged on a first side of the substrate, and a layout of the first dimming blocks is different from a layout of the second dimming blocks.

公开(公告)号：US20230402017A1

公开(公告)日：2023-12-14

申请号：US18125541

申请日：2023-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jungmo Kang ,  Changhoon Kim ,  Yongmin Jung

IPC: G09G3/34 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G09G3/3426 ,  G02F1/133612 ,  G02F1/133603

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit light; a substrate including a plurality of dimming blocks arranged in rows and columns, each dimming block of the plurality of dimming blocks including at least one light source of the plurality of light sources; a first driving device configured to control a driving current applied to light sources in first dimming blocks of the plurality of dimming blocks; and a second driving device configured to control a driving current applied to light sources in second dimming blocks of the plurality of dimming blocks, wherein the first dimming blocks, the second dimming blocks, the first driving device, and the second driving device are arranged on a first side of the substrate, and a layout of the first dimming blocks is different from a layout of the second dimming blocks.