公开(公告)号：US12265303B2

公开(公告)日：2025-04-01

申请号：US18213615

申请日：2023-06-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungpil Choi ,  Byoungjin Cho ,  Yeonkyun Park ,  Yonghwan Park

IPC: G02F1/1333 ,  F21V8/00 ,  G02F1/13357 ,  G02F1/1339

Abstract: A display apparatus includes a liquid crystal panel; a light guide plate behind the liquid crystal panel; a light source adjacent to a thickness surface of the light guide plate and configured to emit light toward the thickness surface of the light guide plate; a rear chassis behind the light guide plate; and a holder coupled to the rear chassis and supporting the light guide plate, wherein the holder includes: a first tooth; a first tooth groove next to the first tooth; a second tooth facing the first tooth; and a second tooth groove next to the second tooth, wherein in a first state, the first tooth is disposed outside the second tooth groove and the second tooth is disposed outside the first tooth groove, and in a second state, the first tooth is inserted into the second tooth groove and the second tooth is inserted into the first tooth groove, and wherein the holder is configured to elastically deform between the first state and the second state.

公开(公告)号：US20210286215A1

公开(公告)日：2021-09-16

申请号：US17198857

申请日：2021-03-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Naewon Jang ,  Daeyoung Kim ,  Byoungjin Cho ,  Kilhong Lee

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display apparatus includes a liquid crystal panel, a light source configured to provide light to the liquid crystal panel, and an optical member disposed between the liquid crystal panel and the light source. The optical member includes a diffuser sheet that is configured to diffuse the light from the light source, and a deformation preventing layer including a first material having a lower expansion or contraction rate than the diffuser sheet.

公开(公告)号：US11119267B2

公开(公告)日：2021-09-14

申请号：US16397508

申请日：2019-04-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoungjin Cho ,  Yoonki Park ,  Jongbin Kim ,  Wonyeop Jang

IPC: F21V8/00

Abstract: A reflective sheet of a display apparatus includes a sheet configured to reflect light; and a beading pattern protruding from a surface of the sheet.

公开(公告)号：US11487158B2

公开(公告)日：2022-11-01

申请号：US17210025

申请日：2021-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyungsuk Kim ,  Jongbin Kim ,  Youngmin Lee ,  Dukjin Jeon ,  Byoungjin Cho ,  Sukju Choi

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A backlight unit includes a printed circuit board; a light source disposed on the printed circuit board and configured to emit light towards an upper side of the backlight unit; a reflective lens disposed on an upper side of the light source; and a reflective tape attached to the printed circuit board so as to surround the light source. At least a part of the reflective tape has a color different from a color of the light emitted by the light source.

公开(公告)号：US11366355B2

公开(公告)日：2022-06-21

申请号：US16926131

申请日：2020-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongbin Kim ,  Hyungsuk Kim ,  Youngmin Lee ,  Dukjin Jeon ,  Byoungjin Cho ,  Sukju Choi

IPC: G02F1/13357

Abstract: A direct type backlight device includes a lower chassis, a reflective sheet disposed on a bottom portion of the lower chassis, and a plurality of light emitting diode (LED) bars disposed on an upper surface of the reflective sheet. Each of the plurality of LED bars includes a bar-shaped printed circuit board disposed on the upper surface of the reflective sheet, a plurality of LEDs disposed on an upper surface of the printed circuit board, and a reflective member provided on the upper surface of the printed circuit board. A reflectance of the reflective member is at least 90% of a reflectance of the reflective sheet.

公开(公告)号：US11016393B2

公开(公告)日：2021-05-25

申请号：US16588274

申请日：2019-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki Park ,  Mijeong Song ,  Valeriy Prushinskiy ,  Dohyeon Baek ,  Seungjae Lee ,  Byoungjin Cho

IPC: G02B6/00 ,  G02B7/00 ,  G03F7/20 ,  G02B1/14

Abstract: A display apparatus is provided. The display apparatus may include a display panel, an optical member that is disposed behind the display panel and that is configured to guide light to the display panel, a light source that is configured to irradiate light to the optical member, a holder that is configured to support the display panel and the optical member, and a contraction member that is disposed parallel to the optical member, and that comprises a negative thermal expansion (NTE) substance.

公开(公告)号：US11579489B2

公开(公告)日：2023-02-14

申请号：US17198857

申请日：2021-03-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Naewon Jang ,  Daeyoung Kim ,  Byoungjin Cho ,  Kilhong Lee

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display apparatus includes a liquid crystal panel, a light source configured to provide light to the liquid crystal panel, and an optical member disposed between the liquid crystal panel and the light source. The optical member includes a diffuser sheet that is configured to diffuse the light from the light source, and a deformation preventing layer including a first material having a lower expansion or contraction rate than the diffuser sheet.

公开(公告)号：US11385397B2

公开(公告)日：2022-07-12

申请号：US17257514

申请日：2019-04-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki Park ,  Byoungjin Cho ,  Jongbin Kim ,  Wonyeop Jang

IPC: F21V8/00

Abstract: Disclosed is a liquid crystal display device including a reflective sheet with high rigidity and low shrinkage and expansion, the liquid crystal display device comprising: a liquid crystal panel; a light guide plate provided below the liquid crystal panel; a light source for supplying light to the light guide plate; a reflective sheet provided below the light guide plate; a glass fiber coating layer provided on the upper surface and/or the lower surface of the reflective sheet; and a lower chassis provided below the reflective sheet.

公开(公告)号：US10914887B2

公开(公告)日：2021-02-09

申请号：US16425420

申请日：2019-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byoungjin Cho ,  Youngchol Lee ,  Namseok Roh ,  Kwansik Min

IPC: F21V8/00

Abstract: A display apparatus is provided. The display apparatus includes a light source, a quantum dot sheet on which a reflective area that reflects light irradiated from the light source and a quantum dot area including a quantum dot that scatters the light irradiated from the light source are alternately disposed, and a display panel that displays an image using light provided from the quantum dot sheet.