公开(公告)号：US20250113694A1

公开(公告)日：2025-04-03

申请号：US18962833

申请日：2024-11-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk KIM ,  Sungyeol KIM ,  Chunsoon PARK ,  Youngmin LEE ,  Hyukjun JANG

IPC: H10H29/856 ,  H10H20/814 ,  H10H29/49

Abstract: A light source apparatus includes: a reflective sheet having a hole; and a light source module including: a portion exposed through the hole; a substrate including a non-conductive first layer, a second layer laminated on the front surface of the first layer and having a power supply line, and a third layer laminated on the front surface of the second layer; a light-emitting diode on the third layer of the substrate; a pair of power supply pads on the second layer, connected to the power supply line, and electrically connected to the light-emitting diode through a window on the third layer; and a reflection-assisting layer between the pair of power supply pads and having a first portion with a thickness corresponding to the thickness of the second layer and a second portion on a front of the first portion with a thickness corresponding to the thickness of the third layer.

公开(公告)号：US20240402534A1

公开(公告)日：2024-12-05

申请号：US18807275

申请日：2024-08-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon PARK ,  Sungyeol KIM ,  Kyehoon LEE

IPC: G02F1/1335 ,  G02F1/13357

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：US20230194924A1

公开(公告)日：2023-06-22

申请号：US17962234

申请日：2022-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Chunsoon PARK ,  Kyehoon LEE

IPC: 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：US20210200027A1

公开(公告)日：2021-07-01

申请号：US17130313

申请日：2020-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon PARK ,  Seokwoo Yong ,  Youngchol Lee ,  Jonghoon Jung ,  Junsung Choi

IPC: G02F1/13357

Abstract: Provided is a display apparatus including a display panel, a light-emitting assembly disposed behind the display panel and including a light-emitting diode (LED) configured to emit light in a rear direction, and a reflective assembly disposed behind the light-emitting assembly and configured to reflect light emitted from the light-emitting assembly toward the display panel, wherein the reflective assembly includes a first area corresponding to the LED, and a second area adjacent to the first area, wherein at least one of a diffusion amount and a reflection amount of light exiting the second area is different from a corresponding one of a diffusion amount and a reflection amount of light exiting the first area.

公开(公告)号：US20240184169A1

公开(公告)日：2024-06-06

申请号：US18374397

申请日：2023-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Chunsoon PARK ,  Seungyong SHIN ,  Hyukjun JANG

IPC: G02F1/1345 ,  G02F1/13357 ,  G02F1/1362

CPC classification number: G02F1/13452 ,  G02F1/133603 ,  G02F1/136286

Abstract: A display apparatus includes a display panel; and a backlight unit configured to provide light to the display panel. The backlight unit includes: a substrate including a first surface facing the display panel; a light source disposed on the first surface; a driving element disposed on the first surface to drive the light source; a plurality of lines provided on the first surface; and at least one jumper connector disposed on the first surface. Each of the at least one jumper connector corresponds to a first line and a second line of the plurality of lines, such that the jumper connector is disposed in a crossing region of the first surface at which the first line crosses the second line, and the jumper connector electrically connects with the first line and guides the second line to be spaced apart from the first line.

公开(公告)号：US20240069379A1

公开(公告)日：2024-02-29

申请号：US18213623

申请日：2023-06-23

Applicant: SAMSUNG ELECTRONICS CO, LTD.

Inventor： Chunsoon PARK ,  Hyungsuk KIM ,  Sungyeol KIM ,  Taeyeon Kim

IPC: G02F1/13357

CPC classification number: G02F1/133605 ,  G02F1/133603

Abstract: A light source device includes a substrate, a reflective sheet on the substrate and including a through hole, a light source on the substrate, and exposed through the through hole of the reflective sheet, the light source including a light emitting diode (LED), and a quantum dot sheet configured to convert a color of light emitted from the light source, where the substrate includes a diffuse reflection layer exposed through the through hole of the reflective sheet and configured to diffusely reflect light emitted from the light source and light reflected from the quantum dot sheet.

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.

公开(公告)号：US20230350246A1

公开(公告)日：2023-11-02

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

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

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：US20230335071A1

公开(公告)日：2023-10-19

申请号：US18215027

申请日：2023-06-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Chunsoon PARK ,  Kyehoon LEE ,  Hyukjun JANG

IPC: G09G3/34

CPC classification number: G09G3/3426 ,  G09G2320/0233 ,  G09G2320/041

Abstract: A display device includes a liquid crystal panel; a plurality of light sources configured to emit light toward the liquid crystal panel, wherein the plurality of light sources are divided into a plurality of dimming blocks, each dimming block including one or more light sources; a driver configured to provide a current to each light source of the plurality of light sources; and a processor configured to: control the driver to provide the current to the one or more light sources included in each dimming block of the plurality of dimming blocks based on image data, obtain an average current value of currents provided to the one or more light sources included in each dimming block of the plurality of dimming blocks for a reference time based on the image data, and control the driver to provide a reduced current to the plurality of light sources based on at least one of a predetermined number of first dimming blocks or an arrangement of the first dimming blocks having the average current value being greater than or equal to a first reference current value.

公开(公告)号：US20230244105A1

公开(公告)日：2023-08-03

申请号：US18078206

申请日：2022-12-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chunsoon PARK ,  Sungyeol KIM ,  Hanmi CHOI

IPC: G02F1/13357 ,  G02F1/1335 ,  H01L25/075 ,  H01L33/62 ,  H01L33/56 ,  H01L33/48

CPC classification number: G02F1/133603 ,  G02F1/133612 ,  H01L25/0753 ,  H01L33/62 ,  G02F1/133605 ,  H01L33/56 ,  H01L33/486

Abstract: A display device comprising: a light source plate behind a liquid crystal panel to provide light to the liquid crystal panel. The light source plate comprises: a printed circuit board including a power wiring layer and a photo solder resist (PSR) layer; a plurality of LED chips mountable directly on the printed circuit board; and a plurality of molding parts formed of a molding material comprising a material having thixotropy to respectively surround the plurality of LED chips . A reflective sheet includes a plurality of openings formed to correspond to positions of the plurality of molding parts so that while the reflective sheet is between the liquid crystal panel and the light source plate, the plurality of molding parts are respectively positionable inside the plurality of openings with the plurality of molding members spaced apart from an inner circumferential surfaces of each of the plurality of openings.