公开(公告)号：US20220351694A1

公开(公告)日：2022-11-03

申请号：US17863918

申请日：2022-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Sungbok Yang ,  Seokwoo Yong ,  Kyehoon Lee ,  Junsung Choi

IPC: G09G3/34 ,  G02F1/13357 ,  G09G3/36

Abstract: A display apparatus includes: a liquid crystal panel; and a light apparatus on which the liquid crystal panel is disposed, the light apparatus including: a substrate; a plurality of dimming blocks including a first dimming block and a second dimming block disposed immediately next to the first dimming block, each of the plurality of dimming blocks including at least one respective light source disposed on a first side of the substrate; and a plurality of driving devices disposed on the first side of the substrate and including a first driving device disposed in the first dimming block and a second driving device disposed in the second dimming block, each driving device of the plurality of driving devices being configured to provide a driving current to the at least one respective light source included in a respective one of the plurality of dimming blocks, wherein the first driving device and the second driving device are disposed at relatively different positions respectively within the first dimming block and the second dimming block.

公开(公告)号：US11460695B2

公开(公告)日：2022-10-04

申请号：US17091591

申请日：2020-11-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyehoon Lee ,  Jigwang Kim ,  Jiwon Kim ,  Jaemin Soh ,  Sanghoon Lee ,  Daesu Choi

IPC: G02B27/01 ,  G02F1/1335 ,  G02F1/017

Abstract: A display apparatus includes a light source array in which a plurality of light sources emitting light by a local dimming are arranged, a color conversion layer comprising color conversion particles that convert the emitted light into light of a certain color, and configured to emit white light by using the converted light, a display panel configured to generate an image by using the white light, and a selective transmission member arranged between the light source array and the color conversion layer. The selective transmission member is configured to transmit the light to the color conversion layer, and avoid transmitting the light in the color conversion layer to the light source array.

公开(公告)号：US11373605B1

公开(公告)日：2022-06-28

申请号：US17473311

申请日：2021-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Sungbok Yang ,  Seokwoo Yong ,  Kyehoon Lee ,  Junsung Choi

IPC: G09G3/34 ,  G02F1/1335 ,  G02F1/13357 ,  G09G3/36

Abstract: A display apparatus includes: a liquid crystal panel; and a light apparatus on which the liquid crystal panel is disposed, the light apparatus including: a substrate; a plurality of dimming blocks including a first dimming block and a second dimming block disposed immediately next to the first dimming block, each of the plurality of dimming blocks including at least one respective light source disposed on a first side of the substrate; and a plurality of driving devices disposed on the first side of the substrate and including a first driving device disposed in the first dimming block and a second driving device disposed in the second dimming block, each driving device of the plurality of driving devices being configured to provide a driving current to the at least one respective light source included in a respective one of the plurality of dimming blocks, wherein the first driving device and the second driving device are disposed at relatively different positions respectively within the first dimming block and the second dimming block.

公开(公告)号：US11307346B2

公开(公告)日：2022-04-19

申请号：US17075318

申请日：2020-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyehoon Lee

IPC: G02F1/137 ,  F21V8/00

Abstract: Provided are a backlight unit and a display apparatus including the same. The backlight unit includes: a light guide plate configured to diffuse and transmit light that is incident on the light guide plate; and a white light emitting member configured to convert incident light transmitted by the light guide plate to white light having a color temperature that is adjusted according to a degree of conversion of the incident light into light of a specific color based on application of an electrical signal to the white light emitting member, and to emit the white light.

公开(公告)号：US11176894B2

公开(公告)日：2021-11-16

申请号：US16861953

申请日：2020-04-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyehoon Lee ,  Dongyoon Kim ,  Beomkyun Rha ,  Mingu Roh ,  Sanghoon Lee

IPC: G09G3/34 ,  G09G3/36

Abstract: A display panel includes a first light source, a second light source having a color different from a color of the first light source, a light guide plate converting a point light source generated by the first light source and the second light source into a surface light source, a diffuser plate positioned on an upper portion of the light guide plate and diffusing the surface light source emitted by the light guide plate, and a frame supporting the light guide plate and the diffuser plate and including a protrusion protruded between the diffuser plate and the light guide plate.

公开(公告)号：US12283255B2

公开(公告)日：2025-04-22

申请号：US18486845

申请日：2023-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Sungbok Yang ,  Seokwoo Yong ,  Kyehoon Lee ,  Junsung Choi

IPC: G09G3/34 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/13357 ,  G09G3/36

Abstract: A display apparatus includes: a liquid crystal panel; and a light apparatus on which the liquid crystal panel is disposed, the light apparatus including: a substrate; a plurality of dimming blocks including a first dimming block and a second dimming block disposed immediately next to the first dimming block, each of the plurality of dimming blocks including at least one respective light source disposed on a first side of the substrate; and a plurality of driving devices disposed on the first side of the substrate and including a first driving device disposed in the first dimming block and a second driving device disposed in the second dimming block, each driving device of the plurality of driving devices being configured to provide a driving current to the at least one respective light source included in a respective one of the plurality of dimming blocks, wherein the first driving device and the second driving device are disposed at relatively different positions respectively within the first dimming block and the second dimming block.

公开(公告)号：US20250029965A1

公开(公告)日：2025-01-23

申请号：US18799085

申请日：2024-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghyun YOO ,  Jinwoong Lee ,  Kyehoon Lee ,  Hyunkyung Kim ,  Yong Namkung ,  Jaehee Lim ,  Hyoungjin Lim ,  Jongpil Jeon

IPC: H01L25/075 ,  H01L27/15 ,  H01L33/38 ,  H01L33/50

Abstract: A display panel includes: a substrate; a plurality of substrate electrodes on the substrate; a plurality of first light emitting diodes electrically connected to the plurality of substrate electrodes, and configured to emit light of a first color; and a plurality of second light emitting diodes electrically connected to the plurality of substrate electrodes, each of the plurality of second light emitting diodes being configured to emit light of a second color and emit light of a third color, wherein the second color and the third color are different from the first color.

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：US12111542B2

公开(公告)日：2024-10-08

申请号：US18200253

申请日：2023-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun Jang ,  Kyehoon Lee

IPC: H01L25/075 ,  G02F1/1335 ,  G02F1/13357 ,  H05K1/02 ,  H01L33/54 ,  H05K1/18

CPC classification number: G02F1/133612 ,  G02F1/133605 ,  H01L25/0753 ,  H05K1/0259 ,  G02F1/133603 ,  H01L33/54 ,  H05K1/0274 ,  H05K1/181 ,  H05K2201/10106

Abstract: Provided is a display apparatus including: a liquid crystal panel; a substrate; a light source module disposed on the substrate. The light source module includes a light emitting diode disposed on the substrate, a feed pad provided on the substrate, an antistatic pad provided on the substrate; and an insulating dome provided on the substrate and covering the light emitting diode. The antistatic pad is divided into two parts by an outline of the insulating dome.

公开(公告)号：US20240019736A1

公开(公告)日：2024-01-18

申请号：US18474565

申请日：2023-09-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon PARK ,  Sungyeol Kim ,  Kyehoon Lee

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133607 ,  G02F1/133605 ,  G02F1/133603

Abstract: A light source device comprises a diffuser plate and a light source module disposed behind the diffuser plate. The light source module includes a substrate, a plurality of light emitting diodes mounted on the substrate, and a plurality of reflective layers each provided on a front surface of the plurality of light emitting diodes. When a distance between the centers of each of the plurality of light emitting diodes is referred to as a pitch, and a distance between the diffuser plate and the substrate is referred to as an optical distance, a ratio of the pitch to the optical distance satisfies the following expression: 2.5≤pitch/optical distance≤4.5.