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：US20250013101A1

公开(公告)日：2025-01-09

申请号：US18892636

申请日：2024-09-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk KIM ,  Sungyeol Kim ,  Chunsoon Park ,  Taeyeon Kim ,  Junsung Choi

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A light source device includes: a reflective sheet including a hole formed therein; and a light source module including a portion inserted into the hole, a substrate including a first layer including a feeding line, and a second layer laminated in an upper portion of the first layer, a light-emitting diode on the second layer, a feeding pad, connected to the feeding line, in a window formed in the second layer and configured to contact the light-emitting diode, an insulating dome on the second layer, and an antistatic pad on the second layer and including a silver plating layer, a first antistatic pad within a region defined by the hole, and a second antistatic pad outside of the region defined by the hole and extending in the longitudinal direction of the feeding line spaced a first length therefrom in the width direction of the feeding line.

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：US12105132B2

公开(公告)日：2024-10-01

申请号：US17975202

申请日：2022-10-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyeong Yun ,  Meehyun Lim ,  Sungjin Kim ,  Masahiko Yamabe ,  Sungyeol Kim ,  Sungyong Lim ,  Sunghwi Cho

IPC: G01R29/12 ,  H01L21/66 ,  H01L21/683 ,  H01L21/687

CPC classification number: G01R29/12 ,  H01L21/6833 ,  H01L21/68742 ,  H01L22/12

Abstract: An electric field measuring apparatus includes an electrostatic chuck with a through hole and holding a wafer, a lift pin picking up the wafer, a driver vertically moving the lift pin along the through hole, a probe in the lift pin and having a refractive index changed by an electric field of the wafer, the probe including an electro-optical crystal, an optical waveguide forming at least one internal path of light having a polarization characteristic changed by the changed refractive index between the probe and the wafer, and a control module controlling the lift pin and the driver. The lift pin moves to first and second positions. The control module calculates a strength of the electric field of the wafer, using electric field data measured using the probe at each of the first and second positions.

公开(公告)号：US12094426B2

公开(公告)日：2024-09-17

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 ,  G09G3/32

CPC classification number: G09G3/3406 ,  G09G3/32 ,  G09G2330/06

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：US20240304420A1

公开(公告)日：2024-09-12

申请号：US18344307

申请日：2023-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Siyoung Koh ,  Hadong Jin ,  Namkyun Kim ,  Seungbo Shim ,  Sungyong Lim ,  Sungyeol Kim

IPC: H01J37/32 ,  G01R27/16

CPC classification number: H01J37/32183 ,  G01R27/16 ,  H01J37/32926 ,  H01J37/32935

Abstract: An apparatus for providing radio frequency (RF) power includes a load having a process chamber, a RF power generator configured to provide the RF power through a cable electrically connected to the load, and a reflected power controller configured to detect reflected power from the load in a delivery mode and configured to control the RF power according to the reflected power that was detected.

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：US11996275B2

公开(公告)日：2024-05-28

申请号：US17942368

申请日：2022-09-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyong Lim ,  Chansoo Kang ,  Youngdo Kim ,  Namkyun Kim ,  Sungyeol Kim ,  Sangki Nam ,  Seungbo Shim ,  Kyungmin Lee

IPC: H01J37/32 ,  G01J1/44

CPC classification number: H01J37/32935 ,  G01J1/44 ,  H01J37/32174 ,  G01J2001/446

Abstract: A diagnostic device for diagnosing distribution of a radical in a plasma processing chamber, the diagnostic device, may include a spectrometer receiving an optical signal through at least one optical channel connected to the plasma processing chamber, and performing spectral analysis on the optical signal in response to a synchronization signal corresponding to each of states of a multi-level pulse applied to the plasma processing chamber and a synchronizer generating the synchronization signal corresponding to each of the states of the multi-level pulse.

公开(公告)号：US11934064B2

公开(公告)日：2024-03-19

申请号：US18101898

申请日：2023-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02F1/1335 ,  G02F1/13357 ,  G09G3/3233 ,  G09G3/34 ,  G09G3/36 ,  H05B45/10

CPC classification number: G02F1/133601 ,  G02F1/133603 ,  G02F1/133612 ,  G09G3/3233 ,  G09G3/3406 ,  G09G3/36 ,  H05B45/10 ,  G02F2203/48 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0686

Abstract: A display apparatus includes: a liquid crystal panel; a plurality of light sources configured to emit light; and a substrate including a plurality of dimming blocks arranged in rows and columns, wherein each of the plurality of dimming blocks includes at least four light sources from among the plurality of light sources, and the least four light sources are connected in series with each other and arranged in rows and columns on a first surface of the substrate, the substrate includes a plurality of holes extending from the first surface of the substrate to a second surface of the substrate, the first surface of the substrate and the second surface of the substrate are electrically connected through the plurality of holes, and each of the plurality of holes is in a region surrounded by the at least four light sources of each respective dimming block of the plurality of dimming blocks.