-
71.发明公开公开(公告)号：US20230212334A1
公开(公告)日：2023-07-06
申请号：US18150337
申请日：2023-01-05
发明人： Takahiro FUJIYAMA , Norihito ISHII , Fumiaki KATO , Masashi TSUJI , Naotoshi SUGANUMA , Yusaku KONISHI , Eun Joo JANG , Ha Il KWON , Hyo Sook JANG , Soonmin CHA , Tae Ho KIM , Wonsik YOON , Yuho WON
CPC分类号： C08F26/02 , C08F28/06 , H10K85/111 , H10K85/113 , H10K50/15 , H10K50/17 , H10K2102/331
摘要： A polymer including a structural unit represented by Chemical Formula 1, an electroluminescence device material including the polymer, an electroluminescence device including the polymer or the electroluminescence device material, and an electronic device including the electroluminescence device are provided:
In Chemical Formula 1, the definition of each substituent is the same as described in the specification.-
公开(公告)号：US20230075189A1
公开(公告)日：2023-03-09
申请号：US18048484
申请日：2022-10-21
发明人： Kwanghee KIM , Moon Gyu HAN , Eun Joo JANG , Hyo Sook JANG
摘要： A light emitting device including a first electrode and a second electrode spaced from each other, and, a light emitting film between the first electrode and the second electrode, wherein the light emitting film has a first surface facing the second electrode and a second surface opposite thereto, the light emitting film includes a quantum dot layer including a plurality of quantum dots and a matrix including a metal chalcogenide, the plurality of quantum dots includes selenium, the matrix covers at least a portion of the quantum dot layer, the metal chalcogenide comprises zinc and sulfur, and in an X-ray photoelectron spectroscopic analysis of the first surface of the light emitting film, a mole ratio of zinc with respect to selenium is greater than or equal to about 2:1 and a mole ratio of sulfur with respect to selenium is greater than or equal to about 1.1:1.
-
73.发明申请公开(公告)号：US20220243125A1
公开(公告)日：2022-08-04
申请号：US17726702
申请日：2022-04-22
发明人： Hyo Sook JANG , Yuho WON , Sungwoo HWANG , Ji Yeong KIM , Eun Joo JANG
IPC分类号： C09K11/08 , C08L57/10 , G02F1/13357 , H01L51/50 , H01L27/32 , C09D133/00 , C08F220/06 , C09D133/02
摘要： A cadmium free quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core, wherein the quantum dot does not include cadmium and includes indium and zinc, the quantum dot has a maximum photoluminescence peak in a red light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than or equal to about 40 nanometers (nm), an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dot includes a valley between about 450 nm to a center wavelength of a first absorption peak, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.2, a quantum dot polymer composite including the same, and a display device including the quantum dot-polymer composite: (Absfirst−Absvalley)/Absfirst=VD.
-
公开(公告)号：US20220223765A1
公开(公告)日：2022-07-14
申请号：US17706925
申请日：2022-03-29
发明人： Yuho WON , Jihyun MIN , Eun Joo JANG , Hyo Sook JANG
IPC分类号： H01L33/50 , C09K11/88 , H01L31/0232 , H01L31/0384 , H01L31/055 , H01L21/02 , C09K11/02 , C09K11/70 , H01L31/105 , H01L33/08
摘要： An emissive nanocrystal particle includes a core including a first semiconductor nanocrystal including a Group III-V compound and a shell including a second semiconductor nanocrystal surrounding the core, wherein the emissive nanocrystal particle includes a non-emissive Group I element.
-
75.发明申请公开(公告)号：US20220195110A1
公开(公告)日：2022-06-23
申请号：US17559388
申请日：2021-12-22
发明人： Norihito ISHII , Takahiro FUJIYAMA , Masashi TSUJI , Naotoshi SUGANUMA , Yusaku KONISHI , Dae Young CHUNG , Eun Joo JANG , Ha Il KWON , Hyo Sook JANG , Soonmin CHA , Tae Ho KIM , Fumiaki KATO
摘要： A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.
-
76.发明申请公开(公告)号：US20220149311A1
公开(公告)日：2022-05-12
申请号：US17515784
申请日：2021-11-01
发明人： Hongkyu SEO , Tae Hyung KIM , Eun Joo JANG , Won Sik YOON , Hyo Sook JANG , Oul CHO
摘要： A method of manufacturing a light emitting device that includes providing a first electrode, forming a light emitting layer including quantum dots on the first electrode, forming an electron auxiliary layer on the light emitting layer, and forming a second electrode on the electronic auxiliary layer. The forming of the electron auxiliary layer includes forming an electron auxiliary layer including a plurality of metal oxide nanoparticles, and contacting the plurality of metal oxide nanoparticles with a base including a hydroxyl group (OH).
-
公开(公告)号：US20210288258A1
公开(公告)日：2021-09-16
申请号：US17193078
申请日：2021-03-05
发明人： Masashi TSUJI , Takahiro FUJIYAMA , Yusaku KONISHI , Dae Young CHUNG , Fumiaki KATO , Jaejun CHANG , Keigo FURUTA , Takao MOTOYAMA , Eun Joo JANG , Hyo Sook JANG , Tae Ho KIM , Tomoyuki KIKUCHI , Yuho WON
摘要： The present disclosure provides a technique capable of improving durability (particularly luminescence life-span) of an electroluminescence. In order to solve the above problems, the present disclosure provides an arylamine-fluorene alternating copolymer having a structural unit (A) represented by Chemical Formula (1).
-
公开(公告)号：US20210062087A1
公开(公告)日：2021-03-04
申请号：US17007179
申请日：2020-08-31
发明人： Sung Woo KIM , Jin A KIM , Tae Hyung KIM , Kun Su PARK , Yuho WON , Jeong Hee LEE , Eun Joo JANG , Hyo Sook JANG , Yong Seok HAN , Heejae CHUNG
摘要： A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.
-
79.发明申请公开(公告)号：US20200024512A1
公开(公告)日：2020-01-23
申请号：US16519188
申请日：2019-07-23
发明人： Jihyun MIN , Seon-Yeong KIM , Eun Joo JANG , Hyo Sook JANG , Soo Kyung KWON , Yong Wook KIM
摘要： A quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core and does not include cadmium, wherein the core includes a Group III-V compound, the quantum dot has a maximum photoluminescence peak in a green light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than about 50 nanometers (nm), and a difference between a wavelength of the maximum photoluminescence peak and a first absorption peak wavelength of the quantum dot is less than or equal to about 25 nanometers, and a production method thereof.
-
公开(公告)号：US20190006556A1
公开(公告)日：2019-01-03
申请号：US16111848
申请日：2018-08-24
发明人： Garam PARK , Tae Hyung KIM , Eun Joo JANG , Hyo Sook JANG , Shin Ae JUN , Yongwook KIM , Taekhoon KIM , Jihyun MIN , Yuho WON
IPC分类号： H01L33/04 , C09K11/88 , C09K11/70 , C09K11/61 , C09K11/02 , H01L33/32 , H01L33/30 , H01L33/28 , H01L33/24 , H01L33/34
CPC分类号： H01L33/04 , C09K11/025 , C09K11/615 , C09K11/70 , C09K11/883 , H01L33/24 , H01L33/28 , H01L33/30 , H01L33/32 , H01L33/34
摘要： 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.
-
-
-
-
-
-
-
-
-
搜索结果
91 条记录 (耗时 0.047 秒)
