公开(公告)号：US20180198031A1

公开(公告)日：2018-07-12

申请号：US15863871

申请日：2018-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung KIM ,  Chul Hee YOO ,  Hyun A KANG ,  Jung Woo LEE ,  Jeong Hee LEE ,  Eun Joo JANG

IPC: H01L33/48 ,  H01L33/50 ,  H01L33/54 ,  H01L33/56

CPC classification number: H01L33/486 ,  H01L33/44 ,  H01L33/502 ,  H01L33/505 ,  H01L33/507 ,  H01L33/54 ,  H01L33/56 ,  H01L33/60 ,  H01L2933/0025 ,  H01L2933/0041 ,  H01L2933/005

Abstract: A light emitting device package includes a package frame in which a recessed portion is defined in a center thereof, the package frame including, an interior wall surrounding the recessed portion, a step portion contacting the interior wall and a bottom surface of the recessed portion, a light source disposed inside the recessed portion and emitting first light, a substrate disposed on the light source, and fixed on an upper surface of the step portion and spaced apart from the light source, a light conversion layer disposed on the substrate and including quantum dots that absorbs the first light and emits second light having a different wavelength from the first light, and barrier layer at least covering the light conversion layer, where barrier layer includes a first inorganic barrier layer and a first organic barrier layer.

公开(公告)号：US20180039103A1

公开(公告)日：2018-02-08

申请号：US15671369

申请日：2017-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun Joo JANG ,  Chil Hee CHUNG ,  Tae Hyung KIM ,  Jihyun MIN ,  Hyo Sook JANG ,  Dae Young CHUNG

IPC: G02F1/017 ,  H01L51/50

CPC classification number: G02F1/01716 ,  B82Y20/00 ,  C09K11/00 ,  C09K11/70 ,  G02F1/01725 ,  G02F1/3556 ,  G02F2/02 ,  G02F2001/01791 ,  H01L27/283 ,  H01L27/3225 ,  H01L51/502 ,  H01L51/5296 ,  H05B33/14

Abstract: An electronic device includes: an anode and a cathode facing each other; a quantum dot emission layer disposed between the anode and the cathode and including a plurality of quantum dots; and a light emitting source, wherein the quantum dot emission layer is configured to receive electrical energy from the anode and the cathode and to emit light having a first wavelength, wherein the quantum dot emission layer and the light emitting source are configured so that the light emitting source provides the quantum emission layer with light having a second wavelength, and the plurality of quantum dots are excited by the light having the second wavelength and emit light having a third wavelength, wherein the anode, the cathode, or a combination thereof is a light transmitting electrode, and the light of the first wavelength and the light of the third wavelength are emitted through the light transmitting electrode.

公开(公告)号：US20170186922A1

公开(公告)日：2017-06-29

申请号：US15393632

申请日：2016-12-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae Hyung KIM ,  Jihyun MIN ,  Yongwook KIM ,  Eun Joo JANG

IPC: H01L33/50 ,  C09K11/70 ,  F21V8/00 ,  C09K11/66 ,  G02F1/1335 ,  H01L27/15 ,  C09K11/88

CPC classification number: G02B6/005 ,  C09K11/665 ,  C09K11/703 ,  C09K11/88 ,  G02F1/133514 ,  G02F2001/133614 ,  G02F2202/36

Abstract: An electronic device includes, a light source having a peak emission at a wavelength between about 440 nm to about 480 nm; and a photoconversion layer disposed on the light source, wherein the photoconversion layer includes a first quantum dot which emits red light and a second quantum dot which emits green light, wherein at least one of the first quantum dot and the second quantum dot has a perovskite crystal structure and includes a compound represented by Chemical Formula 1: AB′X3+α  Chemical Formula 1 wherein A is a Group IA metal, NR4+, or a combination thereof, B′ is a Group IVA metal, X is a halogen, BF4−, or a combination thereof, and α is 0 to 3.

公开(公告)号：US20170179338A1

公开(公告)日：2017-06-22

申请号：US15386512

申请日：2016-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Garam PARK ,  Tae Hyung KIM ,  Eun Joo JANG ,  Hyo Sook JANG ,  Shin Ae JUN ,  Yongwook KIM ,  Taekhoon KIM ,  Jihyun MIN ,  Yuho WON

IPC: H01L33/04 ,  H01L33/34 ,  H01L33/32 ,  H01L33/30 ,  H01L33/24 ,  H01L33/28

CPC classification number: H01L33/04 ,  C09K11/025 ,  C09K11/615 ,  C09K11/70 ,  C09K11/883 ,  H01L33/24 ,  H01L33/28 ,  H01L33/30 ,  H01L33/32 ,  H01L33/34

Abstract: A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.

公开(公告)号：US20170174984A1

公开(公告)日：2017-06-22

申请号：US15378791

申请日：2016-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeong Hee LEE ,  Hyun A. KANG ,  Tae Hyung KIM ,  Eun Joo JANG ,  Nayoun WON ,  Jiho YOU

IPC: C09K11/02 ,  C08K3/16 ,  C08K9/04 ,  B05D3/00 ,  H01L33/56 ,  C08L23/08 ,  C09K11/88 ,  C09K11/70 ,  C08K3/32 ,  H01L33/50

CPC classification number: C09K11/025 ,  B05D3/007 ,  B82Y20/00 ,  B82Y40/00 ,  C08K3/16 ,  C08K3/32 ,  C08K9/04 ,  C08K2201/001 ,  C08K2201/005 ,  C08K2201/011 ,  C08L23/0869 ,  C09K11/02 ,  C09K11/70 ,  C09K11/883 ,  H01L33/501 ,  H01L33/502 ,  H01L33/56 ,  H01L2933/0041 ,  H01L2933/005 ,  Y10S977/774 ,  Y10S977/892 ,  Y10S977/95

Abstract: A quantum dot-polymer micronized composite includes a first polymer matrix; a plurality of quantum dots dispersed in the first polymer matrix; and at least one of an additive selected from a clay particle embedded in the first polymer matrix and a metal halide dispersed in the first polymer matrix, wherein the quantum dot-polymer micronized composite has an average particle size of less than or equal to about 100 micrometers, a production method thereof, and an article and an electronic device including the micronized composite are provided.

公开(公告)号：US20170115529A1

公开(公告)日：2017-04-27

申请号：US15238127

申请日：2016-08-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung KIM ,  Eun Joo JANG ,  Hyun A KANG ,  Yongwook KIM ,  Jihyun MIN ,  Jeong Hee LEE ,  Shin Ae JUN ,  Oul CHO

IPC: G02F1/1335 ,  H01L33/50 ,  H01L33/56 ,  F21V8/00

CPC classification number: G02F1/133603 ,  B82Y20/00 ,  B82Y30/00 ,  G02B6/0026 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0068 ,  G02B6/0073 ,  G02F1/1336 ,  G02F2001/133614 ,  G02F2202/36 ,  H01L33/502 ,  H01L33/504 ,  Y10S977/774 ,  Y10S977/825 ,  Y10S977/95 ,  Y10S977/952

Abstract: A light source includes a light emitting element and a light conversion layer configured to convert light emitted from the light emitting element into white light; wherein the light conversion layer includes a matrix resin and a quantum dot, wherein the white light includes a red light component, a green light component, and a blue light component each having a color purity configured to display a color gamut having a concordance rate of greater than or equal to about 99.0% with an Adobe RGB color gamut of a display device, and wherein the green light component has a peak wavelength of about 525 nanometers to about 528 nanometers and a full width at half maximum of less than or equal to about 40 nanometers, and a red light component having a peak wavelength of about 625 nanometers to about 645 nanometers.

公开(公告)号：US20160186960A1

公开(公告)日：2016-06-30

申请号：US14860378

申请日：2015-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Hyung KIM ,  Eun Joo JANG ,  Shin Ae JUN ,  Hyun A KANG ,  Yongwook KIM ,  Na Youn WON ,  Hyo Sook JANG

IPC: F21V9/16 ,  F21V8/00 ,  G02F1/1335

CPC classification number: G02F1/133514 ,  F21V9/30 ,  G02B6/0026 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0073 ,  G02F1/1336 ,  G02F1/133603 ,  G02F2001/133614 ,  H01L2224/48091 ,  H01L2924/00014

Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65

Abstract translation: 光源包括发光的发光元件和将从发光元件发射的光转换成白光并发出白光的光转换层，其中光转换层包括树脂和量子点材料混合 与白色光的颜色区域的红色顶点位于色彩坐标中0.65