公开(公告)号：US11874561B2

公开(公告)日：2024-01-16

申请号：US17733661

申请日：2022-04-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungsoo Park ,  Sungyeol Kim ,  Chunsoon Park ,  Kyehoon Lee

IPC: G02F1/1335 ,  H01L25/075 ,  H01L33/10 ,  H01L33/50 ,  H01L33/56

CPC classification number: G02F1/133614 ,  G02F1/133504 ,  H01L25/0753 ,  H01L33/10 ,  H01L33/502 ,  H01L33/56

Abstract: A display apparatus and light source device thereof are provided. The light source device includes an optical dome having a specifically defined shape to be able to maintain an optical profile of a light source. According to the disclosure, a display apparatus includes a printed circuit board (PCB), a light emitting diode (LED) chip mounted on the PCB and configured to emit light, an optical dome formed to enclose the LED chip by being dispensed on the LED chip, and a liquid crystal panel configured to block or pass light output from the LED chip, wherein the optical dome may be formed to satisfy 1.70

公开(公告)号：US11835818B2

公开(公告)日：2023-12-05

申请号：US17962234

申请日：2022-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Chunsoon Park ,  Kyehoon Lee

IPC: G02F1/00 ,  G02F1/13357

CPC classification number: G02F1/133605 ,  G02F1/133603

Abstract: Disclosed herein is a display apparatus and a light source apparatus thereof. The light source apparatus includes a reflective sheet in which a through hole is formed, a light source disposed in the through hole and including a light emitting diode, and a substrate to which the light emitting diode is attached and including a protection layer disposed on one side facing the reflective sheet. The protection layer includes a first protection layer disposed adjacent to the light emitting diode, and a second protection layer having a lower reflectance than the first protection layer.

公开(公告)号：US11809042B2

公开(公告)日：2023-11-07

申请号：US17864934

申请日：2022-07-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon Park ,  Sungyeol Kim ,  Kyehoon Lee

IPC: G02F1/13357 ,  G02F1/1335

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

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.

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：US20220283467A1

公开(公告)日：2022-09-08

申请号：US17749782

申请日：2022-05-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun JANG ,  Kyehoon Lee

IPC: G02F1/1335 ,  G02F1/13357 ,  H01L25/075 ,  H05K1/02

Abstract: Provided is a display apparatus including a liquid crystal panel, a substrate, a light source module disposed on the substrate, and a control assembly configured to control the light source module and the liquid crystal panel. The light source module includes a light emitting diode disposed on the substrate, a feed pad provided on the substrate, and at least one antistatic pad provided on the substrate.

公开(公告)号：US20220146886A1

公开(公告)日：2022-05-12

申请号：US17582644

申请日：2022-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Kyungsoo Park ,  Chunsoon Park ,  Kyehoon Lee

IPC: G02F1/13357 ,  F21K9/64

Abstract: Disclosed is a display apparatus and light source device which includes an optical dome having a specifically defined shape to be able to maintain an optical profile of a light source. A display apparatus includes a printed circuit board (PCB); a light emitting diode (LED) chip mounted on the PCB and configured to emit light; an optical dome disposed over and enclosing the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; and an optical film arranged between the LED chip and the liquid crystal panel, wherein a ratio of a height of the optical dome to a diameter of a bottom surface of the optical dome is 0.25 to 0.31.

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：US20210149194A1

公开(公告)日：2021-05-20

申请号：US17094424

申请日：2020-11-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/01 ,  G09G5/10

Abstract: A display apparatus and a display control method. The display apparatus includes an image source configured to output an image; a relay optics component configured to change a size of the image and to transfer the image; a combiner configured to form a virtual image by reflecting the image transferred from the relay optics component; and a light blocker arranged on a rear surface of the combiner and configured to adjust an amount of light flowing into the combiner.

公开(公告)号：US20210149100A1

公开(公告)日：2021-05-20

申请号：US17075318

申请日：2020-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyehoon Lee

IPC: F21V8/00 ,  G02F1/137

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.