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：US12062345B2

公开(公告)日：2024-08-13

申请号：US17982165

申请日：2022-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong Shin ,  Kyehoon Lee ,  Sungyeol Kim ,  Jonghoon Jung

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0271

Abstract: A display device, which fixes the magnitude of a driving current flowing through light-emitting devices in a low luminance region and controls an application period of the driving current, includes: light-emitting devices; a processor for controlling the light-emitting devices on the basis of a gray level required for the light-emitting devices in each unit frame; and a timing controller which divides the unit frame into a plurality of sub-frames and generates a scan signal corresponding to each sub-frame. The processor: when the gray level is greater than or equal to a preset value, determines a luminance value of the light-emitting devices on the basis of the gray level and turns on the light-emitting devices with the determined luminance value in all of the plurality of sub-frames; when the gray level is less than the preset value, determines a light-emitting period of the light-emitting devices on the basis of the gray level and divides, on the basis of the light-emitting period, the plurality of sub-frames into a first and a second sub-frame group; turns on the light-emitting devices with a preset luminance value in all sub-frames belonging to the first sub-frame group; and turns off the light-emitting devices in sub-frames belonging to the second sub-frame group or turns on the light-emitting devices with a luminance value less than the preset luminance value.

公开(公告)号：US20220270562A1

公开(公告)日：2022-08-25

申请号：US17742992

申请日：2022-05-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jonghoon JUNG ,  Sungyeol Kim ,  Seungyong Shin ,  Junsung Choi

IPC: G09G3/36 ,  G09G3/34

Abstract: A display apparatus includes a liquid crystal panel, a power supply, a backlight unit including a plurality of sub-blocks configured to radiate light to the liquid crystal panel, and a controller configured to determine a peak voltage and a source voltage supplied to each of the plurality of sub-blocks. Each of the plurality of sub-blocks includes a first switching element configured to receive the peak voltage as a gate voltage, and a second switching element including a drain terminal connected to a source terminal of the first switching element, the second switching element configured to receive an amount of charges corresponding to the source voltage through a gate terminal.

公开(公告)号：US12078887B2

公开(公告)日：2024-09-03

申请号：US17843413

申请日：2022-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Sungyeol Kim ,  Hyungsuk Kim ,  Seungyong Shin ,  Kyehoon Lee

IPC: G02F1/13357

CPC classification number: G02F1/133608 ,  G02F1/133603 ,  G02F1/133611

Abstract: A display apparatus including a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel is provided. The backlight unit includes a bottom chassis; a first interface board disposed on a front surface of the bottom chassis; a plurality of light source modules disposed on the front surface of the bottom chassis, arranged at predetermined intervals, and each of the plurality of light source modules having one end connected to the first interface board; and a second interface board disposed on a rear surface of the bottom chassis and connected to the first interface board.

公开(公告)号：US20230055132A1

公开(公告)日：2023-02-23

申请号：US17843413

申请日：2022-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin LEE ,  Sungyeol Kim ,  Hyungsuk Kim ,  Seungyong Shin ,  Kyehoon Lee

IPC: G02F1/13357

Abstract: A display apparatus including a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel is provided. The backlight unit includes a bottom chassis; a first interface board disposed on a front surface of the bottom chassis; a plurality of light source modules disposed on the front surface of the bottom chassis, arranged at predetermined intervals, and each of the plurality of light source modules having one end connected to the first interface board; and a second interface board disposed on a rear surface of the bottom chassis and connected to the first interface board.

公开(公告)号：US12282225B2

公开(公告)日：2025-04-22

申请号：US18643399

申请日：2024-04-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Jaewoo Kim ,  Seungyong Shin ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  H05K1/18

Abstract: A display apparatus includes a display panel, a printed circuit board defining an upper surface, a lower surface opposite the upper surface, and a through-hole, a plurality of light sources mounted on the upper surface of the printed circuit board and configured to emit light to the display panel, and a connector inserted into the through-hole on the upper surface of the printed circuit board. The connector includes a connector body inserted into the through-hole, and a plurality of connector terminals disposed in proximity to the upper surface of the printed circuit board. The connector terminals are configured to electrically connect the connector body to a portion of the printed circuit board, and may in certain embodiments connect a first portion of the printed circuit board on one side of the connector body to a second portion of the printed circuit board on an opposite of the connector body.

公开(公告)号：US12204204B2

公开(公告)日：2025-01-21

申请号：US18666227

申请日：2024-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun Jang ,  Kyehoon Lee ,  Youngmin Lee ,  Yonghun Kwon ,  Sunyoung Kim ,  Hyungsuk Kim ,  Seungyong Shin

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display device includes: a display panel; a light source module on a rear side of the display panel and configured to generate light supplied to the display panel, the light source module including a plurality of light sources configured to emit light and a printed circuit board (PCB) on which the plurality of light sources are provided; and a bottom chassis on a rear side of the light source module and on which the light source module is provided, wherein the PCB includes: an insulating layer, a first conductive layer on a lower surface of the insulating layer, and a second conductive layer on an upper surface of the insulating layer, and an area of the second conductive layer is smaller than an area of the first conductive layer, and the PCB is convexly bent in a direction toward the display panel.

公开(公告)号：US12085802B2

公开(公告)日：2024-09-10

申请号：US18118979

申请日：2023-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon Park ,  Sungyeol Kim ,  Seungyong Shin ,  Jonghoon Jung

IPC: G02F1/13357 ,  G02F1/1335 ,  H01L25/075 ,  H01L33/62 ,  H10K59/131

CPC classification number: G02F1/133603 ,  G02F1/133612 ,  H01L25/0753 ,  H01L33/62 ,  H10K59/131 ,  G02F2201/50

Abstract: Provided is a display apparatus having an improved degree of freedom in wiring design, the display apparatus including: a liquid crystal panel; and a light source apparatus, wherein the light source apparatus includes: a substrate; and a plurality of light emitting diodes (LEDs) provided on the substrate, wherein each of the plurality of LEDs has a lower surface in contact with a first feeding pad and a second feeding pad formed on the substrate, the lower surface of each of the plurality of LEDs includes a first contact area provided to be in contact with the first feeding pad, a second contact area provided to be in contact with the second feeding pad, and a non-contact area other than the first contact area and the second contact area on the lower surface, and each of the first contact area and the second contact area is smaller than the non-contact area.

公开(公告)号：US12001101B2

公开(公告)日：2024-06-04

申请号：US18112270

申请日：2023-02-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Jaewoo Kim ,  Seungyong Shin ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  H05K1/18

CPC classification number: G02F1/133612 ,  G02F1/133608 ,  H05K1/182 ,  G02F1/133603 ,  H05K2201/09072 ,  H05K2201/10106 ,  H05K2201/10189

Abstract: A display apparatus includes a display panel, a printed circuit board defining an upper surface, a lower surface opposite the upper surface, and a through-hole, a plurality of light sources mounted on the upper surface of the printed circuit board and configured to emit light to the display panel, and a connector inserted into the through-hole on the upper surface of the printed circuit board. The connector includes a connector body inserted into the through-hole, and a plurality of connector terminals disposed in proximity to the upper surface of the printed circuit board. The connector terminals are configured to electrically connect the connector body to a portion of the printed circuit board, and may in certain embodiments connect a first portion of the printed circuit board on one side of the connector body to a second portion of the printed circuit board on an opposite of the connector body.

公开(公告)号：US20230384636A1

公开(公告)日：2023-11-30

申请号：US18118979

申请日：2023-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon Park ,  Sungyeol Kim ,  Seungyong Shin ,  Jonghoon Jung

IPC: G02F1/13357 ,  G02F1/1335 ,  H01L25/075 ,  H01L33/62

CPC classification number: G02F1/133603 ,  G02F1/133612 ,  H01L25/0753 ,  H01L33/62 ,  G02F2201/50

Abstract: Provided is a display apparatus having an improved degree of freedom in wiring design, the display apparatus including: a liquid crystal panel; and a light source apparatus, wherein the light source apparatus includes: a substrate; and a plurality of light emitting diodes (LEDs) provided on the substrate, wherein each of the plurality of LEDs has a lower surface in contact with a first feeding pad and a second feeding pad formed on the substrate, the lower surface of each of the plurality of LEDs includes a first contact area provided to be in contact with the first feeding pad, a second contact area provided to be in contact with the second feeding pad, and a non-contact area other than the first contact area and the second contact area on the lower surface, and each of the first contact area and the second contact area is smaller than the non-contact area.