公开(公告)号：US20210074558A1

公开(公告)日：2021-03-11

申请号：US17016881

申请日：2020-09-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang Ki NAM ,  Jang-Yeob LEE ,  Sungyeol KIM ,  Sunghyup KIM ,  Soonam PARK ,  Siqing LU

IPC: H01L21/67 ,  H01J37/32

Abstract: A substrate processing apparatus, including a processing chamber including a first internal space and a second internal space arranged in a vertical direction, the first internal space being configured to receive process gas to generate plasma; an induction electrode configured to divide the processing chamber, and having a plurality of through-holes arranged to connect the first internal space and the second internal space, wherein the plurality of through-holes are configured to induce an ion beam extracted from ions included in the plasma generated in the first internal space; a radical supply located in the second internal space, and including a reservoir configured to receive chemical liquid in which an object to be processed is immersed, and a lower electrode configured to apply nanopulses to the reservoir to generate radicals from the chemical liquid; and a chemical liquid supply configured to supply the chemical liquid to the reservoir.

公开(公告)号：US20250013100A1

公开(公告)日：2025-01-09

申请号：US18890447

申请日：2024-09-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taeyeon KIM ,  Sungyeol KIM

IPC: G02F1/13357

Abstract: A light source apparatus includes an optical member, a substrate on a rear side of the optical member, a light source mounted on the substrate and configured to emit light, and a supporter between the optical member and the substrate and including a support body at one end of the supporter facing the substrate and mounted on the substrate, and an adsorption portion at another end of the supporter facing the optical member and configured to form an adsorption space having a pressure less than the pressure outside the supporter in a state in which the supporter supports the optical member.

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：US20240363085A1

公开(公告)日：2024-10-31

申请号：US18769031

申请日：2024-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Kyehoon LEE ,  Sungyeol KIM ,  Jonghoon JUNG

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0271

Abstract: A display device, which fixes the magnitude of a driving current flowing through light-emitting devices in a low luminance region and controls an application period of the driving current, includes: light-emitting devices; a processor for controlling the light-emitting devices on the basis of a gray level required for the light-emitting devices in each unit frame; and a timing controller which divides the unit frame into a plurality of sub-frames and generates a scan signal corresponding to each sub-frame. The processor: when the gray level is greater than or equal to a preset value, determines a luminance value of the light-emitting devices on the basis of the gray level and turns on the light-emitting devices with the determined luminance value in all of the plurality of sub-frames; when the gray level is less than the preset value, determines a light-emitting period of the light-emitting devices on the basis of the gray level and divides, on the basis of the light-emitting period, the plurality of sub-frames into a first and a second sub-frame group; turns on the light-emitting devices with a preset luminance value in all sub-frames belonging to the first sub-frame group; and turns off the light-emitting devices in sub-frames belonging to the second sub-frame group or turns on the light-emitting devices with a luminance value less than the preset luminance value.

公开(公告)号：US20240297179A1

公开(公告)日：2024-09-05

申请号：US18396291

申请日：2023-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Sungyeol KIM ,  Kyehoon LEE

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167

Abstract: A display apparatus includes a substrate; a plurality of pixels arranged in a two-dimensional matrix on the substrate; a plurality of scan lines configured to be connected in the plurality of pixels; a scan driver Integrated Chip (IC) configured to transmit a scan signal to the plurality of scan lines, and including at least one first Thin Film Transistor (TFT); a plurality of data lines configured to be connected in the plurality of pixels; and a data driver IC configured to transmit a data signal to the plurality of data lines, and including at least one second TFT, wherein the first TFT and the second TFT may be different types.

公开(公告)号：US20240046893A1

公开(公告)日：2024-02-08

申请号：US18486845

申请日：2023-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Sungbok YANG ,  Seokwoo YONG ,  Kyehoon LEE ,  Junsung CHOI

IPC: G09G3/34 ,  G02F1/13357 ,  G09G3/36

CPC classification number: G09G3/3426 ,  G02F1/133606 ,  G02F1/133603 ,  G09G3/3648

Abstract: A display apparatus includes: a liquid crystal panel; and a light apparatus on which the liquid crystal panel is disposed, the light apparatus including: a substrate; a plurality of dimming blocks including a first dimming block and a second dimming block disposed immediately next to the first dimming block, each of the plurality of dimming blocks including at least one respective light source disposed on a first side of the substrate; and a plurality of driving devices disposed on the first side of the substrate and including a first driving device disposed in the first dimming block and a second driving device disposed in the second dimming block, each driving device of the plurality of driving devices being configured to provide a driving current to the at least one respective light source included in a respective one of the plurality of dimming blocks, wherein the first driving device and the second driving device are disposed at relatively different positions respectively within the first dimming block and the second dimming block.

公开(公告)号：US20230420620A1

公开(公告)日：2023-12-28

申请号：US18195534

申请日：2023-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun JANG ,  Sungyeol KIM ,  Jaewoo KIM ,  Taeyeon KIM ,  Junsung CHOI

IPC: H01L33/58 ,  H01L25/13 ,  G02F1/13357 ,  G02F1/1335

CPC classification number: H01L33/58 ,  H01L25/13 ,  G02F1/133603 ,  G02F1/133607 ,  G02F1/133605 ,  G02F1/133608 ,  G02F1/133621

Abstract: Disclosed herein is a display apparatus. The display apparatus includes: a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel. The backlight unit includes: a substrate extending along a first direction; a light emitting diode provided on the substrate; a refractive cover provided on the light emitting diode to refract light emitted from the light emitting diode; and a lens provided on the substrate and the refractive cover, the lens comprising a bottom surface having a first length in the first direction that is less than a second length in a second direction perpendicular to the first direction.

公开(公告)号：US20230207294A1

公开(公告)日：2023-06-29

申请号：US17970163

申请日：2022-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hadong JIN ,  Siyoung KOH ,  Namkyun KIM ,  Kyungmin LEE ,  Sungyong LIM ,  Sungyeol KIM ,  Seungbo SHIM

IPC: H01J37/32

CPC classification number: H01J37/3299 ,  H01J37/32082 ,  H01J37/32155 ,  H01J37/32174 ,  H01J37/32541 ,  H01J37/32568 ,  H01J37/32642 ,  H01J2237/334 ,  H01J2237/24564 ,  H01L21/6831

Abstract: Provided is a plasma control apparatus including a plasma electrode disposed in a plasma chamber and to which radio frequency (RF) power having a fundamental frequency configured to generate plasma is applied, an edge electrode disposed adjacent to the plasma electrode and corresponding to a plasma edge region, and a plasma control circuit electrically connected to the edge electrode, the plasma control circuit being configured to control an electrical boundary condition in a plasma edge boundary region of a first frequency component, a harmonic wave component generated by nonlinearity of the plasma and intermodulation distortion frequency components generated by a frequency component in the plasma chamber and each of the first frequency component and the harmonic wave component, wherein the plasma control circuit is configured to change the electrical boundary condition to control a standing wave in the plasma chamber.

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：US20220413341A1

公开(公告)日：2022-12-29

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

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.