-
公开(公告)号:US20220190212A1
公开(公告)日:2022-06-16
申请号:US17689011
申请日:2022-03-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Deukseok CHUNG , Shin Ae JUN
IPC: H01L33/50 , H01L25/075 , H01L33/62 , H01L33/44
Abstract: A method for manufacturing a display device includes: providing a plurality of light emitting elements on a substrate; providing a first photosensitive resin layer on the light emitting elements; driving a plurality of first light emitting elements among the plurality of light emitting elements, the driving of the plurality of first light emitting elements hardening a portion of the first photosensitive resin layer which corresponds to the plurality of first light emitting elements; and providing a first color converting layer as the portion of the first photosensitive resin layer which is hardened, by removing a remaining portion of the first photosensitive resin layer.
-
公开(公告)号:US20220149251A1
公开(公告)日:2022-05-12
申请号:US17523162
申请日:2021-11-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Shang Hyeun PARK , Deukseok CHUNG , Tae Gon KIM , Min Jong BAE , Shin Ae JUN
Abstract: A display panel including a wavelength conversion structure that includes a base structure including partition walls that define a first space and a second space, a first quantum dot composite disposed in the first space, and a second quantum dot composite disposed in the second space. The height of the partition wall is greater than or equal to about 5 micrometers and less than or equal to about 50 micrometers, and the first quantum dot composite provides a first top surface and the second quantum dot composite provides a second top surface. A production method for making the wavelength conversion structure uses a first ink composition that includes first quantum dots and a first matrix, and a second ink composition that includes second quantum dots and a second matrix.
-
公开(公告)号:US20210408138A1
公开(公告)日:2021-12-30
申请号:US17474051
申请日:2021-09-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Tae Gon KIM , Sung Hun LEE , Shin Ae JUN , Deukseok CHUNG
Abstract: A display device includes an organic emission layer in which a first pixel area, a second pixel area and a third pixel area are defined, a color filter layer disposed on the organic emission layer and including first to third color filters overlapping the first to third pixel areas, respectively, where the first to third color filters emit first light to third light, respectively, a first optical filter layer disposed on the color filter layer and which transmits at least one of the first light and the second light and reflects or absorbs the third light, and a light-focusing layer disposed between the color filter layer and the organic emission layer and including first to third light-focusing parts overlapping the first to third pixel areas, respectively, where at least one of the first to third color filters includes quantum dots.
-
54.
公开(公告)号:US20210301200A1
公开(公告)日:2021-09-30
申请号:US17346793
申请日:2021-06-14
Inventor: Tae Gon KIM , Ha Il KWON , Shin Ae JUN
IPC: C09K11/02 , G03F7/00 , C08K3/00 , C09D5/22 , C09K11/88 , G02B5/20 , G02F1/1335 , G03F7/004 , G03F7/031 , G03F7/16 , G03F7/20 , G03F7/32 , G03F7/40 , H01L33/50
Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.
-
公开(公告)号:US20210102120A1
公开(公告)日:2021-04-08
申请号:US17106317
申请日:2020-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Taekhoon KIM , Seonmyeong CHOI , Jongmin LEE , Tae Gon KIM , Young Seok PARK , Shin Ae JUN
Abstract: A photosensitive composition including a quantum dot; a binder polymer including a carboxylic acid group; a photopolymerizable monomer including a carbon-carbon double bond; and a photoinitiator, a patterned film produced therefrom and a display device including the same. The quantum dot includes a seed including a first semiconductor nanocrystal, a quantum well including a second semiconductor nanocrystal, the quantum well surrounding the seed and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal and not including cadmium, the second semiconductor nanocrystal has a different composition from each of the first semiconductor nanocrystal and the third semiconductor nanocrystal, and an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal.
-
公开(公告)号:US20210095200A1
公开(公告)日:2021-04-01
申请号:US17120531
申请日:2020-12-14
Inventor: Jinsuop YOUN , Ha Il KWON , Misun KIM , Jooyeon AHN , Hyeyeon YANG , Bumjin LEE , Jongmin LEE , Shin Ae JUN , Hyunjoo HAN
IPC: C09K11/70 , C09K11/02 , F21V8/00 , G02F1/1335
Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or TI) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or TI) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
-
公开(公告)号:US20200371396A1
公开(公告)日:2020-11-26
申请号:US16989794
申请日:2020-08-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyun A. KANG , Eun Joo JANG , Hyo Sook JANG , Shin Ae JUN
IPC: G02F1/1335 , C08K9/08 , C09D123/08 , C09K11/02 , C09K11/56 , C09K11/70 , G02F1/13357 , C09K11/88
Abstract: A backlight unit for a liquid crystal display device, the backlight unit including: an light emitting diode (“LED”) light source; a light conversion layer disposed separate from the LED light source to convert light emitted from the LED light source to white light and to provide the white light to the liquid crystal panel; and a light guide panel disposed between the LED light source and the light conversion layer, wherein the light conversion layer includes a semiconductor nanocrystal and a polymer matrix, and wherein the polymer matrix includes a first polymerized polymer of a first monomer including at least two thiol (—SH) groups, each located at a terminal end of the first monomer, and a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer.
-
公开(公告)号:US20200217974A1
公开(公告)日:2020-07-09
申请号:US16825293
申请日:2020-03-20
Inventor: Garam PARK , Tae Gon KIM , Nayoun WON , Shin Ae JUN , Soo Kyung KWON , Seon-Yeong KIM , Shang Hyeun PARK , Jooyeon AHN , Yuho WON , Eun Joo JANG , Hyo Sook JANG
Abstract: Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.
-
公开(公告)号:US20190211265A1
公开(公告)日:2019-07-11
申请号:US16245594
申请日:2019-01-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Garam PARK , Tae Gon KIM , Nayoun WON , Shin Ae JUN , Soo Kyung KWON , Seon-Yeong KIM , Shang Hyeun PARK , Jooyeon AHN , Yuho WON , Eun Joo JANG , Hyo Sook JANG
IPC: C09K11/88 , C09K11/02 , H01L27/32 , F21V8/00 , G02F1/1335
CPC classification number: C09K11/883 , B82Y20/00 , B82Y40/00 , C09K11/025 , C09K11/565 , C09K11/70 , G02B6/005 , G02F1/133514 , G02F1/133617 , G02F2001/133614 , G02F2202/36 , H01L27/322 , H05B33/14
Abstract: Disclosed are a quantum dot population including a plurality of cadmium free quantum dots, a quantum dot polymer composite including the same, and a display device including the same. The plurality of cadmium free quantum dots includes: a semiconductor nanocrystal core comprising indium and phosphorous, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core and comprising zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell and comprising zinc and sulfur, wherein an average particle size of the plurality of cadmium free quantum dots is greater than or equal to about 5.5 nm, a standard deviation of particle sizes of the plurality of cadmium free quantum dots is less than or equal to about 20% of the average particle size, and an average solidity of the plurality of cadmium free quantum dots is greater than or equal to about 0.85.
-
60.
公开(公告)号:US20190204673A1
公开(公告)日:2019-07-04
申请号:US16297051
申请日:2019-03-08
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: G02F1/1335 , F21V9/30 , F21V8/00 , G02F1/13357
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
-
-
-
-
-
-
-
-
-