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：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：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.