公开(公告)号：US20210149195A1

公开(公告)日：2021-05-20

申请号：US17095872

申请日：2020-11-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/01 ,  G02B17/00 ,  G02B5/10

Abstract: A display apparatus and a display control method are provided. The display apparatus includes: an image source configured to output a first image; a relay optics component configured to change a size of the first image and to transfer the first image; a surrounding structure provided around the image source or the relay optics component, and including a second image of a surrounding object; and a combiner configured to form a first virtual image by reflecting the first image, and to form a second virtual image around the first virtual image by reflecting the second image.

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：US12181744B2

公开(公告)日：2024-12-31

申请号：US17311118

申请日：2021-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A display apparatus includes a reflective sheet through which a through hole is disposed, and a light source module exposed through the through hole. The light source module includes a substrate on which the reflective sheet is disposed, and a light emitting diode disposed on a portion of the substrate, the portion corresponding to the through hole. The light source module further includes an optical dome covering the light emitting diode, and a first light pattern disposed on the substrate and inside the optical dome, the first light pattern including a material having a reflectivity higher than a reflectivity of the substrate.

公开(公告)号：US20240302696A1

公开(公告)日：2024-09-12

申请号：US18662247

申请日：2024-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/13357 ,  F21K9/64 ,  F21Y105/16 ,  F21Y115/10

CPC classification number: G02F1/133621 ,  F21K9/64 ,  G02F1/133602 ,  F21Y2105/16 ,  F21Y2115/10

Abstract: A display apparatus is provided that 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 distributed Bragg reflector (DBR) layer arranged on an upper surface of the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; an optical film arranged between the LED chip and the liquid crystal panel, wherein the optical film comprises a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.

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：US12013614B2

公开(公告)日：2024-06-18

申请号：US18309257

申请日：2023-04-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/13357 ,  F21K9/64 ,  F21Y105/16 ,  F21Y115/10

CPC classification number: G02F1/133621 ,  F21K9/64 ,  G02F1/133602 ,  F21Y2105/16 ,  F21Y2115/10

Abstract: A display apparatus is provided that 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 distributed Bragg reflector (DBR) layer arranged on an upper surface of 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. 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, and the optical film includes a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.

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.