公开(公告)号：US12230746B2

公开(公告)日：2025-02-18

申请号：US18195534

申请日：2023-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun Jang ,  Sungyeol Kim ,  Jaewoo Kim ,  Taeyeon Kim ,  Junsung Choi

IPC: H01L33/58 ,  G02F1/1335 ,  G02F1/13357 ,  H01L25/13

Abstract: Disclosed herein is a display apparatus. The display apparatus includes: a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel. The backlight unit includes: a substrate extending along a first direction; a light emitting diode provided on the substrate; a refractive cover provided on the light emitting diode to refract light emitted from the light emitting diode; and a lens provided on the substrate and the refractive cover, the lens comprising a bottom surface having a first length in the first direction that is less than a second length in a second direction perpendicular to the first direction.

公开(公告)号：US12225645B2

公开(公告)日：2025-02-11

申请号：US18126163

申请日：2023-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk Kim ,  Sungyeol Kim ,  Taeyeon Kim ,  Kyehoon Lee ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  H05B45/56

Abstract: A display apparatus is provided. The display apparatus includes: a backlight unit including a substrate and light sources configured to emit light to a liquid crystal panel; and a processor configured to: identify a plurality of dimming blocks, each of which includes at least one light source among the plurality of light sources; predict a temperature for each of the plurality of dimming blocks based on a dimming signal corresponding to an input image and current-specific temperature profile information corresponding to the plurality of dimming blocks; update the dimming signal based on the temperature predicted for each of the plurality of dimming blocks; and control a supply current for each of the plurality of dimming blocks based on the dimming signal.

公开(公告)号：US12094426B2

公开(公告)日：2024-09-17

申请号：US17941742

申请日：2022-09-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun Jang ,  Sungyeol Kim ,  Hyungsuk Kim ,  Kyungsoo Park ,  Youngmin Lee

IPC: G09G3/34 ,  G09G3/32

CPC classification number: G09G3/3406 ,  G09G3/32 ,  G09G2330/06

Abstract: A light emitting diode (LED) includes a substrate having a bar shape; a plurality of LEDs provided on the substrate; and a wiring pattern provided on the substrate and configured to transmit driving currents to the plurality of LEDs, wherein the wiring pattern has a shape that is bent multiple times so that the driving currents flow in opposite directions in lines aligned adjacent and parallel to each other.

公开(公告)号：US11934064B2

公开(公告)日：2024-03-19

申请号：US18101898

申请日：2023-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taeyeon Kim ,  Sungyeol Kim ,  Hyungsuk Kim ,  Chunsoon Park ,  Youngmin Lee ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  G09G3/3233 ,  G09G3/34 ,  G09G3/36 ,  H05B45/10

CPC classification number: G02F1/133601 ,  G02F1/133603 ,  G02F1/133612 ,  G09G3/3233 ,  G09G3/3406 ,  G09G3/36 ,  H05B45/10 ,  G02F2203/48 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0686

Abstract: A display apparatus includes: a liquid crystal panel; a plurality of light sources configured to emit light; and a substrate including a plurality of dimming blocks arranged in rows and columns, wherein each of the plurality of dimming blocks includes at least four light sources from among the plurality of light sources, and the least four light sources are connected in series with each other and arranged in rows and columns on a first surface of the substrate, the substrate includes a plurality of holes extending from the first surface of the substrate to a second surface of the substrate, the first surface of the substrate and the second surface of the substrate are electrically connected through the plurality of holes, and each of the plurality of holes is in a region surrounded by the at least four light sources of each respective dimming block of the plurality of dimming blocks.

公开(公告)号：US20240036398A1

公开(公告)日：2024-02-01

申请号：US18195471

申请日：2023-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Sungyeol Kim ,  Hyukjun Jang

IPC: G02F1/1335

CPC classification number: G02F1/133612 ,  G02F1/133613 ,  G02F2203/48

Abstract: In some embodiments, a display apparatus includes a liquid crystal panel, and a light apparatus including a substrate including a plurality of dimming blocks that are arranged in a matrix, a power wire configured to supply power to the plurality of dimming blocks, and a plurality of driving devices configured to control a driving current supplied to the plurality of dimming blocks. Each dimming block of the plurality of dimming blocks includes a plurality of light sources. A second dimming block of the plurality of dimming blocks is arranged in an (n+1)th row adjacent to the nth row. The power wire is arranged between the nth row corresponding to the first dimming block and the (n+1)th row. The power wire is coupled to a first light source of the first dimming block and to a second light source of the second dimming block.

公开(公告)号：US11829033B2

公开(公告)日：2023-11-28

申请号：US17825685

申请日：2022-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Hyungsuk Kim ,  Kyungsoo Park ,  Hyukjun Jang

IPC: G02F1/13357

CPC classification number: G02F1/133608 ,  G02F1/133603 ,  G02F1/133605

Abstract: A display apparatus includes a display panel; a bottom chassis provided behind the display panel; a reflection sheet provided between the display panel and the bottom chassis; a plurality of light source substrates provided between the reflection sheet and the bottom chassis, each of the plurality of light source substrates having a bar shape extending in a first direction; a plurality of light sources mounted on the plurality of light source substrates and configured emit light toward the display panel; and a bonding member bonding the plurality of light source substrates to the bottom chassis, wherein the bonding member extends in a second direction, which is different from the first direction, so that the plurality of light source substrates are arranged in the second direction on the bottom chassis.