公开(公告)号：US12241622B2

公开(公告)日：2025-03-04

申请号：US18384703

申请日：2023-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk Kim ,  Chunsoon Park ,  Youngmin Lee ,  Hyukjun Jang

IPC: F21V3/06 ,  F21V19/00 ,  F21Y115/10

Abstract: A light source apparatus includes: a light source including a light emitting diode and an optical dome covering the light emitting diode; and a substrate supporting the light source, wherein the substrate may include: a conduction layer that is electrically conductive; a first protective layer disposed on the conduction layer and on which the optical dome is disposed, the first protective layer including a first exposed portion exposing a portion of the conduction layer to connect the conduction layer and the light emitting diode; and a second protective layer disposed on the first protective layer, the second protective layer including a second exposed portion exposing a portion of the first protective layer at which the optical dome is disposed on the first protective layer.

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：US12092924B2

公开(公告)日：2024-09-17

申请号：US18516379

申请日：2023-11-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun Jang ,  Sungyeol Kim ,  Hyungsuk Kim ,  Youngmin Lee ,  Junsung Choi

IPC: G02F1/13357 ,  G09G3/36

CPC classification number: G02F1/133603 ,  G02F1/133611 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2320/0233

Abstract: A display apparatus includes: a display panel; and a light source device configured to provide light to the display panel, wherein the light source device may include: an optical member; a substrate including a first side facing the display panel and the optical member; a light source provided on the first side of the substrate; a driving element provided on the first side of the substrate and configured to drive the light source; a plurality of lines provided on the first side of the substrate, the plurality of lines including a first line and a second line that is connected to the driving element; and a jumper supporter provided on the first side of the substrate in an area where the first line intersects the second line, the jumper supporter being configured to support the optical member, to electrically connect the first line, and to guide the second line to be spaced apart from the first line.

公开(公告)号：US20240247776A1

公开(公告)日：2024-07-25

申请号：US18384703

申请日：2023-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk KIM ,  Chunsoon Park ,  Youngmin Lee ,  Hyukjun Jang

IPC: F21V3/06 ,  F21V19/00

CPC classification number: F21V3/06 ,  F21V19/0025 ,  F21Y2115/10

Abstract: A light source apparatus includes: a light source including a light emitting diode and an optical dome covering the light emitting diode; and a substrate supporting the light source, wherein the substrate may include: a conduction layer that is electrically conductive; a first protective layer disposed on the conduction layer and on which the optical dome is disposed, the first protective layer including a first exposed portion exposing a portion of the conduction layer to connect the conduction layer and the light emitting diode; and a second protective layer disposed on the first protective layer, the second protective layer including a second exposed portion exposing a portion of the first protective layer at which the optical dome is disposed on the first protective layer.

公开(公告)号：US12046209B2

公开(公告)日：2024-07-23

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：US12001101B2

公开(公告)日：2024-06-04

申请号：US18112270

申请日：2023-02-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Jaewoo Kim ,  Seungyong Shin ,  Hyukjun Jang

IPC: G02F1/1335 ,  G02F1/13357 ,  H05K1/18

CPC classification number: G02F1/133612 ,  G02F1/133608 ,  H05K1/182 ,  G02F1/133603 ,  H05K2201/09072 ,  H05K2201/10106 ,  H05K2201/10189

Abstract: A display apparatus includes a display panel, a printed circuit board defining an upper surface, a lower surface opposite the upper surface, and a through-hole, a plurality of light sources mounted on the upper surface of the printed circuit board and configured to emit light to the display panel, and a connector inserted into the through-hole on the upper surface of the printed circuit board. The connector includes a connector body inserted into the through-hole, and a plurality of connector terminals disposed in proximity to the upper surface of the printed circuit board. The connector terminals are configured to electrically connect the connector body to a portion of the printed circuit board, and may in certain embodiments connect a first portion of the printed circuit board on one side of the connector body to a second portion of the printed circuit board on an opposite of the connector body.

公开(公告)号：US11768401B2

公开(公告)日：2023-09-26

申请号：US17827164

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Kyehoon Lee ,  Kyungsoo Park ,  Hyukjun Jang

IPC: G02F1/13357

CPC classification number: G02F1/133605 ,  G02F1/133603

Abstract: A display apparatus includes a liquid crystal panel, a substrate, and a plurality of light emitting diodes (LEDs) provided on one side of the substrate and configured to emit light towards the liquid crystal panel. Each of the plurality of LEDs includes a first reflection layer, a second reflection layer, and a light emitting layer provided between the first reflection layer and the second reflection layer. The second reflection layer is provided between the substrate and the light emitting layer. A first reflectivity of the first reflection layer for a first light entering at a first incident angle is different from a second reflectivity of the second reflection layer for the first light entering at the first incident angle.

公开(公告)号：US20230118897A1

公开(公告)日：2023-04-20

申请号：US17968500

申请日：2022-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol Kim ,  Hyungsuk Kim ,  Chunsoon Park ,  Hyukjun Jang

IPC: H01L33/10 ,  H01L25/075 ,  G02F1/13357 ,  C01G23/047 ,  C01B33/12

Abstract: A display apparatus includes a liquid crystal panel; and a backlight unit configured to provide light to the liquid crystal panel, wherein the backlight unit includes: a substrate; and a plurality of light emitting diode groups provided on an upper surface of the substrate, wherein each of the plurality of light emitting diode groups includes a red light emitting diode, a green light emitting diode, and a blue light emitting diode, wherein each of the red light emitting diode, the green light emitting diode, and the blue light emitting diode includes: a light emitting layer; and a distributed Bragg reflector (DBR) provided on the light emitting layer, and wherein reflectivities of the distributed Bragg reflectors of the red light emitting diode, the green light emitting diode, and the blue light emitting diode are within a same range of reflectivity according to an incident angle of light incident on the distributed Bragg reflectors.

公开(公告)号：US20230047093A1

公开(公告)日：2023-02-16

申请号：US17825685

申请日：2022-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin Lee ,  Hyungsuk Kim ,  Kyungsoo Park ,  Hyukjun Jang

IPC: G02F1/13357

Abstract: A display apparatus includes a display panel; a bottom chassis provided behind the display panel; a reflection sheet provided between the display panel and the bottom chassis; a plurality of light source substrates provided between the reflection sheet and the bottom chassis, each of the plurality of light source substrates having a bar shape extending in a first direction; a plurality of light sources mounted on the plurality of light source substrates and configured emit light toward the display panel; and a bonding member bonding the plurality of light source substrates to the bottom chassis, wherein the bonding member extends in a second direction, which is different from the first direction, so that the plurality of light source substrates are arranged in the second direction on the bottom chassis.