公开(公告)号：US20200020746A1

公开(公告)日：2020-01-16

申请号：US16379594

申请日：2019-04-09

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH ,  Boram LEE ,  Youngje CHO

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes a substrate on which a pixel area and a non-pixel area around the pixel area are defined, an encapsulation layer disposed on the substrate, a light conversion layer including a light converter disposed on the encapsulation layer to overlap the pixel area, and a light guide layer disposed between the encapsulation layer and the light conversion layer to define a first cavity that overlaps the pixel area and a second cavity that overlaps the non-pixel area.

公开(公告)号：US20190011759A1

公开(公告)日：2019-01-10

申请号：US15876459

申请日：2018-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH ,  Donchan CHO

IPC: G02F1/1333 ,  G02F1/1335 ,  F21V8/00

Abstract: A display apparatus includes a display panel and an optical member disposed on the display panel. The optical member includes a base substrate on which a plurality of first areas including a plurality of first sub-areas and a plurality of second sub-areas surrounding the first sub-areas, respectively, and a second area around each of the first areas are defined, and a first insulating layer disposed on the base substrate, where the first insulating layer includes an inclined portion disposed in the second sub-areas and forming an angle with a top surface of the base substrate.

公开(公告)号：US20180196302A1

公开(公告)日：2018-07-12

申请号：US15866834

申请日：2018-01-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH ,  Haeju YUN ,  Donchan CHO

IPC: G02F1/1335 ,  G02F1/1333 ,  F21V8/00

CPC classification number: G02F1/133509 ,  G02B6/0025 ,  G02B6/005 ,  G02F1/133345 ,  G02F1/133528 ,  G02F1/133615 ,  G02F1/133621 ,  G02F2001/133624 ,  G02F2201/50 ,  H04M1/0266

Abstract: A display device includes a display module, a light source, a light-guiding substrate including at least a side surface adjacent to the light source, and an optical filter provided on the light-guiding substrate. The optical filter includes a first insulating layer including a first sub-insulating layer, a second sub-insulating layer, and a third sub-insulating layer, a second insulating layer provided on the first insulating layer to be in contact with the second sub-insulating layer, and a first liquid crystal layer which selectively transmits or reflects light provided from the light-guiding substrate. The first liquid crystal layer is disposed in each of first cavities which are defined as closed spaces enclosed by the first sub-insulating layer, the third sub-insulating layer, and the second insulating layer.

公开(公告)号：US20180136384A1

公开(公告)日：2018-05-17

申请号：US15811741

申请日：2017-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH ,  Haeju YUN

IPC: F21V8/00 ,  H01L27/12

CPC classification number: G02B6/005 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0088 ,  G02B6/009 ,  G02B6/0091 ,  G02F1/13306 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134318 ,  G02F2201/123 ,  H01L27/1255

Abstract: A backlight unit includes a light source; a light guide plate; and an optical member on the light guide plate. The optical member includes first insulating patterns into which light from the light guide plate is incident to the optical member; a first insulating layer which covers the first insulating patterns; second insulating patterns into which light from the first insulating layer is incident; and a second insulating layer which covers the second insulating patterns. The light guide plate includes a light incident side surface, pairs of insulating patterns each include one first insulating pattern and one second insulating pattern, and in a top plan view, for each pair of insulating patterns, the first insulating pattern is closer to the light incident side surface than the second insulating pattern.

公开(公告)号：US20180128964A1

公开(公告)日：2018-05-10

申请号：US15806391

申请日：2017-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH ,  Haeju YUN ,  Donchan CHO

IPC: F21V8/00

CPC classification number: G02B6/0088 ,  G02B6/0055 ,  G02B6/0065 ,  G02B6/0091 ,  G02F1/13306 ,  G02F1/134309 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134318 ,  G02F2001/136222 ,  G02F2201/121 ,  G02F2201/122 ,  G02F2201/123

Abstract: A backlight unit includes a light source which generates light; a light guide plate which guides the light from the light source and emits guided light through an upper thereof; and an optical member disposed on the upper surface of the light guide plate. The optical member includes: a plurality of first insulating patterns into which the guided light from the upper surface of the light guide plate is incident; and a second insulating layer which covers the first insulating patterns to define an upper surface of the optical member through which light exits toward a display panel. Each of the first insulating patterns includes: a bottom portion extended from the upper surface of the light guide plate; and a sidewall portion upwardly extending from a boundary of the bottom portion, the sidewall portion inclined at an angle relative to the upper surface of the light guide plate.

公开(公告)号：US20180106941A1

公开(公告)日：2018-04-19

申请号：US15724689

申请日：2017-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Haeju YUN ,  Kwangsoo BAE ,  Jungsuk BANG ,  Minjeong OH

IPC: F21V8/00

Abstract: A display device includes a light source which generates light, a light guide member which guides the light, and a light collecting member disposed on the light guide member to collect the light provided from the light guide member. The light collecting member includes a plurality of central areas, a plurality of ring areas respectively surrounding the plurality of central areas, and a peripheral area surrounding the plurality of ring areas.

公开(公告)号：US20180067249A1

公开(公告)日：2018-03-08

申请号：US15678210

申请日：2017-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsuk BANG ,  Hyunyoung JUNG ,  Kwangsoo BAE ,  Minjeong OH ,  Haeju YUN

IPC: F21V8/00

CPC classification number: G02B6/0055 ,  G02B6/0036 ,  G02B6/0065 ,  G02F1/13452 ,  G02F1/136286

Abstract: A display device includes a display panel, and a backlight unit including a light guide plate which guides light in an upward direction toward the display panel and including a transmission region and a reflection region; a supporting pattern at the reflection region; a reflection layer on upper and side surfaces of the supporting pattern; and an insulating layer which covers the transmission region and the reflection layer at the reflection region.

公开(公告)号：US20180052365A1

公开(公告)日：2018-02-22

申请号：US15679500

申请日：2017-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsoo BAE ,  Jungsuk BANG ,  Junho SONG ,  Minjeong OH ,  Haeju YUN

IPC: G02F1/1335 ,  G02F1/1341 ,  G02F1/1362

CPC classification number: G02F1/133615 ,  G02F1/133377 ,  G02F1/1341 ,  G02F1/1362 ,  G02F2001/133626

Abstract: A display apparatus includes a first substrate in which a plurality of pixel areas and a non-pixel area around the pixel areas are defined, a cavity-defining layer disposed on the first substrate and defining a plurality of cavities corresponding to the pixel areas, an insulating layer disposed on the cavity-defining layer and in the cavities, a liquid crystal layer disposed on the insulating layer in the cavities, and a second substrate disposed on the insulating layer to cover the liquid crystal layer. The liquid crystal layer has a same refractive index as the cavity-defining layer when the liquid crystal layer is not driven. The liquid crystal layer has a greater refractive index than the cavity-defining layer when the liquid crystal layer is driven.