公开(公告)号：US20220214582A1

公开(公告)日：2022-07-07

申请号：US17418664

申请日：2021-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki PARK ,  Hyungjin Kim ,  Yongsung Yoo ,  Youngwook Jung ,  Minnyeong Han

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A display apparatus includes a liquid crystal panel, and a light source apparatus configured to irradiate the liquid crystal panel with light. The light source apparatus includes a plurality of light sources configured to emit blue light, and a reflective sheet with a plurality of holes through which the light passes. The plurality of holes includes a first hole disposed at an edge portion of the reflective sheet, and a second hole in which a distance from an edge of the reflective sheet to the second hole is greater than a distance between the edge of the reflective sheet and the first hole and a plurality of first light conversion patches arranged along a circumference of a circle surrounding the first hole on the reflective sheet, and a plurality of second light conversion patches arranged along a circumference of a circle surrounding the second hole on the reflective sheet

公开(公告)号：US11747678B2

公开(公告)日：2023-09-05

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 ,  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; 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：US11592711B2

公开(公告)日：2023-02-28

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 ,  G02F1/35 ,  G02F1/137

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：US11347106B1

公开(公告)日：2022-05-31

申请号：US17473044

申请日：2021-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki Park ,  Hyungjin Kim ,  Yongsung Yoo ,  Youngwook Jung ,  Minnyeong Han

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

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions and a center portion, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole and a second hole on each of the four edge portions of the reflective sheet, each of the four edge portions includes 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.

公开(公告)号：US11333929B1

公开(公告)日：2022-05-17

申请号：US17473089

申请日：2021-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki Park ,  Hyungjin Kim ,  Yongsung Yoo ,  Youngwook Jung ,  Minnyeong Han

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

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole disposed on each of the four edge portions of the reflective sheet, each of the four edge portions includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet; and a plurality of light conversion dots including eight first light conversion dots disposed around the first hole of the reflective sheet, and wherein a diameter of each of the eight first light conversion dots is equal to or greater than 1.04 mm, and is equal to or less than 1.56 mm, and wherein the plurality of light conversion dots includes at least one of a fluorescent material, a dye, or a pigment.

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：US20250102859A1

公开(公告)日：2025-03-27

申请号：US18890399

申请日：2024-09-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongsung Yoo ,  Jungmin An ,  Dahoon Won ,  Dongjung Yun ,  Youngwook Jung ,  Minnyeong Han

IPC: G02F1/13357

Abstract: Provided is a display apparatus including: a display panel; a plurality of light sources configured to radiate light onto the display panel; and a reflective sheet including a central area, a middle area outward from the central area, an edge area outward from the middle area, and a plurality of holes corresponding to positions of the plurality of light sources, wherein the reflective sheet is configured to reflect the light radiated from the plurality of light sources toward the display panel, wherein the plurality of holes includes a first hole in the middle area, a second hole in the central area, and a third hole in the edge area, and wherein a size of the first hole is larger than a size of the second hole and a size of the third hole.

公开(公告)号：US12019333B2

公开(公告)日：2024-06-25

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 ,  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; 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：US11415834B2

公开(公告)日：2022-08-16

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: G02F1/00 ,  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：US11333928B1

公开(公告)日：2022-05-17

申请号：US17463932

申请日：2021-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoonki Park ,  Hyungjin Kim ,  Yongsung Yoo ,  Youngwook Jung ,  Minnyeong Han

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

Abstract: A display device includes a liquid crystal panel; a plurality of light sources configured to emit blue light; and a reflective sheet including a first hole and a second hole on a same edge portion of the reflective sheet, wherein the edge portion includes 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. First light conversion dots are disposed around the first hole of the reflective sheet, and 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.