公开(公告)号：US20250123323A1

公开(公告)日：2025-04-17

申请号：US18628896

申请日：2024-04-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Haewook PARK ,  Sungyeol KIM ,  Junhyung KIM ,  Seongkwan LEE ,  Jaemoo CHOI

IPC: G01R31/28 ,  H01L21/66

Abstract: A semiconductor test device includes a test chamber having at least one device under test disposed therein. A test module tests the at least one device under test. A signal connection device electrically connects the at least one device under test and the test module to each other. The signal connection device includes an electrically conductive thermal insulator (ECTI). The ECTI has electrical conductivity greater than or equal to about 1700 S/cm and thermal conductivity less than or equal to about 2.2 W/mK.

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：US20240393642A1

公开(公告)日：2024-11-28

申请号：US18797113

申请日：2024-08-07

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：US20240274661A1

公开(公告)日：2024-08-15

申请号：US18507606

申请日：2023-11-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungyoung YOON ,  Jonghwa SHIN ,  Minyeul LEE ,  Sungyeol KIM ,  Taekjin KIM ,  Meehyun LIM ,  Sungyong LIM

IPC: H01L29/06

CPC classification number: H01L29/0657 ,  H01L29/0692

Abstract: A dielectric structure may include: an insulating layer extending in a first direction; a plurality of conductor layers disposed on a first surface of the insulating layer and spaced apart from each other in the first direction; at least one semiconductor layer disposed on a second surface of the insulating layer, opposite to the first surface, and overlapping each of at least two conductor layers adjacent to each other among the plurality of conductor layers in a second direction intersecting the first direction; a first protective layer covering the plurality of conductor layers on the first surface of the insulating layer; and a second protective layer covering the at least one semiconductor layer on the second surface of the insulating layer.

公开(公告)号：US20230389160A1

公开(公告)日：2023-11-30

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: H05B45/56 ,  G02F1/13357 ,  G02F1/1335

CPC classification number: H05B45/56 ,  G02F1/133603 ,  G02F1/133612

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：US20230307587A1

公开(公告)日：2023-09-28

申请号：US18082216

申请日：2022-12-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Kyehoon LEE

IPC: H01L33/50 ,  H01L33/58 ,  H01L33/10

CPC classification number: H01L33/502 ,  H01L33/10 ,  H01L33/58 ,  H01L33/56

Abstract: A display apparatus includes a light source module including: a substrate, a plurality of light emitting diodes provided on the substrate and configured to emit blue light, a plurality of optical domes, each optical dome of the plurality of optical domes covering a corresponding light emitting diode of the plurality of light emitting diodes, and a plurality of reflective layers, each reflective layer of the plurality of reflective layers being provided in front of a corresponding light emitting diode of the plurality of light emitting diodes in a corresponding optical dome of the plurality of optical domes; a diffuser plate provided in front of the light source module and configured to uniformly diffuse irregular light emitted from the light source module; and a quantum dot sheet provided in front of the diffuser plate and configured to change a wavelength of light emitted from the light source module, wherein the quantum dot sheet includes: a red quantum dot configured to convert the blue light emitted from the light source module into red light; a green quantum dot configured to convert the blue light emitted from the light source module into green light; and a blue quantum dot configured to convert the blue light emitted from the light source module into blue light having a wavelength that is longer than a wavelength the blue light emitted by the light source module.

公开(公告)号：US20230075642A1

公开(公告)日：2023-03-09

申请号：US17901263

申请日：2022-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jihwan KIM ,  Hyunbae KIM ,  Hongseung CHO ,  Seungbo SHIM ,  Sungyeol KIM

IPC: H01J37/32

Abstract: A high voltage power supply apparatus includes a high voltage direct current voltage source, a power switch configured to apply an output of the high voltage direct current voltage source to process equipment, and a sensing circuit unit including a sensor unit including a sensor and at least one operational amplifier, a reference voltage detection unit connected to a node between the sensor and the at least one operational amplifier, and a digital signal processing unit, wherein the sensing circuit unit is connected to an output terminal through which an output of the high voltage direct current voltage source is applied to the process equipment.

公开(公告)号：US20230075434A1

公开(公告)日：2023-03-09

申请号：US17941742

申请日：2022-09-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G09G3/34 ,  G09G3/36

Abstract: A light emitting diode (LED) includes a substrate having a bar shape; a plurality of LEDs provided on the substrate; and a wiring pattern provided on the substrate and configured to transmit driving currents to the plurality of LEDs, wherein the wiring pattern has a shape that is bent multiple times so that the driving currents flow in opposite directions in lines aligned adjacent and parallel to each other.

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：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.