公开(公告)号：US20220308400A1

公开(公告)日：2022-09-29

申请号：US17841165

申请日：2022-06-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin KIM ,  Yongsung YOO ,  Youngwook JUNG ,  Minnyeong HAN

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/017

Abstract: A display apparatus includes a liquid crystal panel; light sources configured to emit blue light; a reflective sheet including four edge portions and a first hole and a second hole on each of the four edge portions of the reflective sheet, the first hole disposed at a first distance from an edge of the reflective sheet, and the second hole disposed at a second distance from the edge of the reflective sheet, wherein the second distance is greater than the first distance; and first and second light conversion dots, wherein the first light conversion dots are disposed around the first hole of the reflective sheet, and the second light conversion dots are disposed around the second hole of the reflective sheet, wherein a size of each of the first light conversion dots is greater than a size of each of the second light conversion dots.

公开(公告)号：US20240302695A1

公开(公告)日：2024-09-12

申请号：US18665045

申请日：2024-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin KIM ,  Yongsung YOO ,  Youngwook JUNG ,  Minnyeong HAN

IPC: G02F1/1335 ,  G02F1/017 ,  G02F1/13357 ,  G02F1/137 ,  G02F1/35

CPC classification number: G02F1/133614 ,  G02F1/01791 ,  G02F1/133553 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133617 ,  G02F1/13762 ,  G02F1/353 ,  G02F2202/046 ,  G02F2202/36

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including a plurality of holes through which the plurality of light sources are exposed; a diffuser plate configured to diffuse the light emitted from the plurality of light sources; and an optical sheet configured to improve luminance of the light emitted from the plurality of light sources, wherein at least one of the diffuser plate or the optical sheet includes a plurality of light conversion patches.

公开(公告)号：US20230123116A1

公开(公告)日：2023-04-20

申请号：US18068965

申请日：2022-12-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin KIM ,  Yongsung YOO ,  Youngwook JUNG ,  Minnyeong HAN

IPC: G02F1/1335 ,  G02F1/017 ,  G02F1/13357

Abstract: A display apparatus includes a liquid crystal panel; light sources configured to emit blue light; a reflective sheet including a first edge portion and a second edge portion, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole, a second hole, and a third hole, the first hole is disposed at a first distance from an edge of the first edge portion, the second hole is disposed at a second distance from the edge of the first edge portion, and the third hole is disposed at the first distance from the edge of the first edge portion, wherein the second distance is greater than the first distance; and pluralities of light conversion dots disposed around the first, second, and third holes, respectively, wherein the third hole is disposed on an overlap portion of the first and second edge portions.

公开(公告)号：US20230359086A1

公开(公告)日：2023-11-09

申请号：US18352776

申请日：2023-07-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin KIM ,  Yongsung YOO ,  Youngwook JUNG ,  Minnyeong HAN

IPC: G02F1/1335 ,  G02F1/017 ,  G02F1/13357

CPC classification number: G02F1/133614 ,  G02F1/133553 ,  G02F1/01791 ,  G02F1/133617 ,  G02F1/133603 ,  G02F1/133605 ,  G02F2202/046 ,  G02F1/13762

Abstract: A display apparatus includes a liquid crystal panel; light sources configured to emit blue light; and a reflective sheet including a first edge portion and a second edge portion, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole, a second hole, and a third hole. The first hole is disposed at a first distance from an edge of the first edge portion, the second hole is disposed at the first distance from an edge of the second edge portion, and the third hole is disposed at a second distance from the edge of the first edge portion. The display apparatus further includes first light conversion dots disposed around the first hole, second light conversion dots disposed around the second hole, and third light conversion dots disposed around the third hole.

公开(公告)号：US20220214580A1

公开(公告)日：2022-07-07

申请号：US17473128

申请日：2021-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin KIM ,  Yongsung YOO ,  Youngwook JUNG ,  Minnyeong HAN

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet comprising four edge portions, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes comprises a first hole and a second hole on each of the four edge portions of the reflective sheet, each of the four edge portions comprises an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet, and the second hole is disposed at a second distance from the edge of the reflective sheet, wherein the second distance is greater than the first distance; and a plurality of light conversion dots comprising a plurality of first light conversion dots and a plurality of second light conversion dots.

公开(公告)号：US20210191197A1

公开(公告)日：2021-06-24

申请号：US17273228

申请日：2019-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeonkyun PARK ,  Gonghee LEE ,  Taehee JEON ,  Jongseong KIM ,  Youngwook JUNG

IPC: G02F1/1335 ,  G02F1/13357

Abstract: An LED lens array for a direct type backlight device, according to the present disclosure, comprises: a plurality of LED lenses disposed on a plane; and a plurality of lens strings connecting the plurality of LED lenses, wherein each of the plurality of lens strings extends from each side of each of the plurality of LED lenses, and is configured to allow light emitted from each of the plurality of LED lenses to pass therethrough, wherein the width of each of the plurality of lens strings is smaller than the diameter of each of the plurality of LED lenses.