公开(公告)号：US20250093702A1

公开(公告)日：2025-03-20

申请号：US18773060

申请日：2024-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ajeong KANG ,  Songhyeon Kim ,  Hansol Lee ,  Sunghee Wi ,  Dukjin Jeon

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display apparatus includes: a display panel; light sources configured to emit light; a plurality of board bars on which the light sources are mounted, the plurality of board bars being spaced apart from each other along a first direction and extending in a second direction; a bottom chassis; and a plurality of bar fixers configured to fix the plurality of board bars to the bottom chassis. Each of the plurality of board bars includes: a central extending portion extending in a center of each board bar in the second direction; and a coupling portion located on the central extending portion of each of the plurality of board bars and located on one side in the first direction with respect to one light source among the light sources mounted on each of the plurality of board bars. Each of the plurality of bar fixers are disposed on each coupling portion.

公开(公告)号：US10823909B2

公开(公告)日：2020-11-03

申请号：US16599344

申请日：2019-10-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Taehee Jeon ,  Daeyoung Kim ,  Hyungki Kim ,  Yongsung Yoo ,  Kilhong Lee ,  Dukjin Jeon

IPC: F21V8/00 ,  G02F1/1333

Abstract: A display apparatus includes a display panel, a light guide plate for guiding light to the display panel, a light source for irradiating the light guide plate with light, and a middle mold disposed between the display panel and the light guide plate and supporting an edge region of the light guide plate. The middle mold includes a groove formed on a surface adjacent to the light guide plate.

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.