公开(公告)号：US11227556B1

公开(公告)日：2022-01-18

申请号：US17350735

申请日：2021-06-17

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：US12061396B2

公开(公告)日：2024-08-13

申请号：US18120003

申请日：2023-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Naewon Jang ,  Youngchol Lee ,  Hyungsuk Kim ,  Seokwoo Yong

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133614 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133608 ,  G02F1/133621 ,  G02F2201/346 ,  G02F2202/28 ,  G02F2202/36

Abstract: A display device may have a reduced thickness while having enhanced color reproducibility by having an improved structure. The display device may include: a liquid crystal panel; a light source plate which is arranged at the rear of the liquid crystal panel to provide light to the liquid crystal panel, and which includes a printed circuit board and an LED chip mounted on the printed circuit board; and a chip cover which is provided to cover a light-emitting surface of the LED chip, and which changes the wavelength of the light emitted from the LED chip, wherein the chip cover includes: a cover layer having a first surface arranged to face the light-emitting surface of the LED chip, a second surface opposite to the first surface, and an accommodating groove provided on the second surface; a light conversion member which changes the wavelength of the light emitted from the LED chip, and which is accommodated in the accommodating groove; and a barrier layer for covering the second surface to cover the light conversion member from the outside.

公开(公告)号：US11837182B2

公开(公告)日：2023-12-05

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 ,  G02F1/133 ,  G09G3/36 ,  G02F1/13357

CPC classification number: G09G3/3426 ,  G02F1/133603 ,  G02F1/133606 ,  G09G3/3648

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：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：US11417287B2

公开(公告)日：2022-08-16

申请号：US17473243

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 ,  G02F1/133 ,  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：US11410619B2

公开(公告)日：2022-08-09

申请号：US17473283

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 ,  G02F1/133 ,  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：US12164192B2

公开(公告)日：2024-12-10

申请号：US18120560

申请日：2023-03-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Naewon Jang ,  Youngchol Lee ,  Hyungsuk Kim ,  Seokwoo Yong

IPC: G02F1/13357 ,  H01L33/10 ,  H01L33/50 ,  H01L33/56 ,  H01L33/64

Abstract: An example display apparatus includes a liquid crystal panel; a light source plate including a printed circuit board disposed behind the liquid crystal panel, and a light source module mounted on the printed circuit board to supply light to the liquid crystal panel. The light source module includes a light emitting diode (LED) chip; a light guide provided to guide the light emitted from the LED chip; a light converter provided to convert a wavelength of light guided through the light guide, and disposed on a first surface of the light guide and attached to the printed circuit board; and a distributed Bragg reflector (DBR) layer disposed on a second surface of the light guide body and provided to improve a light conversion efficiency of the light conversion member.

公开(公告)号：US11906846B2

公开(公告)日：2024-02-20

申请号：US18113359

申请日：2023-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngchol Lee ,  Hyungsuk Kim ,  Naewon Jang ,  Seokwoo Yong ,  Junsung Choi

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133614 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133608 ,  G02F1/133612 ,  G02F1/133621 ,  G02F2201/346 ,  G02F2202/36

Abstract: A display device according to the disclosure comprises: a liquid crystal panel having a front surface configured to display an image; and a light source plate disposed at the rear of the liquid crystal panel configured to provide light to the liquid crystal panel, wherein the light source plate comprises: a printed circuit board having a mounting surface; an LED chip directly mounted on the mounting surface as a chip on board (COB); a transparent resin disposed on the LED chip to encompass the LED chip; a light conversion layer configured to convert the wavelength of light emitted from the LED chip and encompassing the outer peripheral surface of the transparent resin; and a barrier layer covering the light conversion layer from the outside.

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：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.