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1
US10923668B2
Electroluminescent device, and display device comprising thereof
Publication/Patent Number: US10923668B2 Publication Date: 2021-02-16 Application Number: 17/005,392 Filing Date: 2020-08-28 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode, a hole transport layer disposed on the first electrode, an emission layer disposed on the hole transport layer and including light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy  Chemical Formula 1
2
US2020119296A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020119296A1 Publication Date: 2020-04-16 Application Number: 16/597,891 Filing Date: 2019-10-10 Inventor: Cho, Oul   Kim, Kwanghee   Jang, Eun Joo   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: A light emitting device including a first electrode and a second electrode facing each other, a quantum dot emission film disposed between the first electrode and the second electrode, and a charge auxiliary layer disposed between the emission film and the first electrode, between the emission film and the second electrode, or between the emission film and the first electrode and between the emission film and the second electrode, wherein the quantum dot emission film includes a first surface facing the charge auxiliary layer and an opposite second surface. A manufacturing method of making the light emitting device, and a display device including the same.
3
US2020395561A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020395561A1 Publication Date: 2020-12-17 Application Number: 17/005,392 Filing Date: 2020-08-28 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode, a hole transport layer disposed on the first electrode, an emission layer disposed on the hole transport layer and including light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy  Chemical Formula 1
4
US10818859B2
Electroluminescent device, and display device comprising thereof
Publication/Patent Number: US10818859B2 Publication Date: 2020-10-27 Application Number: 16/233,567 Filing Date: 2018-12-27 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode, a hole transport layer disposed on the first electrode, an emission layer disposed on the hole transport layer and including light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, an organic ligand attached to a surface of the inorganic oxide core, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy  Chemical Formula 1
5
US2020313106A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020313106A1 Publication Date: 2020-10-01 Application Number: 16/832,004 Filing Date: 2020-03-27 Inventor: Kim, Kwanghee   Chung, Dae Young   Kim, Tae Hyung   Jang, Eun Joo   Han, Moon Gyu   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: An electroluminescent device including a first electrode and a second electrode facing each other, and a quantum dot emission layer disposed between the first electrode and the second electrode and a method of manufacturing the same. The quantum dot emission layer does not include cadmium and lead, the quantum dot emission layer includes a first layer including first quantum dots, facing the first electrode, a second layer including second quantum dots, facing the second electrode, and a third layer including third quantum dots, disposed between the first layer and the second layer, wherein a highest occupied molecular orbital energy level of the third layer is less than a highest occupied molecular orbital energy level of the layer and the highest occupied molecular orbital energy level of the third layer is less than a highest occupied molecular orbital energy level of the second layer.
6
US10649098B2
Light converting nanoparticle, method of making the light converting nanoparticle, and composition and optical film comprising the same
Publication/Patent Number: US10649098B2 Publication Date: 2020-05-12 Application Number: 15/882,055 Filing Date: 2018-01-29 Inventor: Kim, Kwanghee   Bekenstein, Yehonadav   Kim, Yong Chul   Alivisatos, Paul   Han, In Taek   Assignee: SAMSUNG ELECTRONICS CO., LTD.   THE REGENTS OF THE UNIVERSITY OF CALIFORNIA   IPC: B32B5/16 Abstract: A light converting nanoparticle represented by Chemical Formula 1, AXx  Chemical Formula 1 wherein, in Chemical Formula 1, A comprises an alkaline metal element, an alkaline-earth metal element, or a combination thereof, X comprises a halogen element, and x is 1 or 2 and is selected such that Chemical Formula 1 is electrically neutral, and a dopant substituted for a portion of A, wherein the dopant comprises Tl+, In+, Pb2+, Bi3+, Ag+, Cu+, Eu2+, Mn2+, or a combination thereof, wherein a content of the dopant is less than 15 mole percent, based on a total moles of A, wherein the light converting nanoparticle has a particle diameter of less than or equal to about 100 nanometers, and the light converting nanoparticle has a structure, cubic structure, an orthorhombic structure, a rhombic dodecahedron structure, or a combination thereof.
7
US2020343487A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020343487A1 Publication Date: 2020-10-29 Application Number: 16/857,727 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/52 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
8
US2020067005A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020067005A1 Publication Date: 2020-02-27 Application Number: 16/233,567 Filing Date: 2018-12-27 Inventor: Park, Kun Su   Kim, Kwanghee   Kim, Tae Ho   Jang, Eun Joo   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode, a hole transport layer disposed on the first electrode, an emission layer disposed on the hole transport layer and including light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, an organic ligand attached to a surface of the inorganic oxide core, and a metal-organic compound chemically bound to the surface of the inorganic oxide core. MxOy   Chemical Formula 1
9
US2020263083A1
QUANTUM DOTS AND QUANTUM DOT SOLUTIONS
Publication/Patent Number: US2020263083A1 Publication Date: 2020-08-20 Application Number: 16/791,327 Filing Date: 2020-02-14 Inventor: Kim, Tae Hyung   Kim, Kwanghee   Jang, Eun Joo   Chung, Dae Young   Park, Sujin   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: C09K11/02 Abstract: Quantum dots including semiconductor nanocrystals, methods of producing the same, and quantum dot solutions and electronic devices including the same. The quantum dots do not include cadmium, lead, or a combination thereof. The quantum dots include an organic ligand and a halogen on the surfaces, and the quantum dots are dispersible in an organic solvent to form organic solutions.
10
EP3730589A2
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3730589A2 Publication Date: 2020-10-28 Application Number: 20171401.1 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/06 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
11
EP3730589A3
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3730589A3 Publication Date: 2020-12-02 Application Number: 20171401.1 Filing Date: 2020-04-24 Inventor: Han, Moon Gyu   Kim, Kwanghee   Lee, Heejae   Jang, Eun Joo   Chung, Dae Young   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/06 Abstract: Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
12
US2020357990A1
RESISTIVE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME AND ELECTRONIC DEVICE
Publication/Patent Number: US2020357990A1 Publication Date: 2020-11-12 Application Number: 16/701,293 Filing Date: 2019-12-03 Inventor: Kim, Kwanghee   Lee, Heejae   Cho, Oul   Kim, Tae Hyung   Jang, Eun Joo   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L45/00 Abstract: A resistive memory device including a first electrode and a second electrode facing each other and a variable resistance layer disposed between the first electrode and the second electrode, wherein the variable resistance layer includes Cd-free quantum dots (Cd-free quantum dots) and at least a portion of the Cd-free quantum dots include a Cd-free quantum dot including a halide anion on a surface of the Cd-free quantum dot, a method of manufacturing the same and an electronic device.
13
US2020335715A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020335715A1 Publication Date: 2020-10-22 Application Number: 16/851,276 Filing Date: 2020-04-17 Inventor: Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Tae Hyung   Seo, Hongkyu   Lee, Heejae   Chang, Jaejun   Assignee: SAMSUNG ELECTRONICS CO., LTD   IPC: H01L51/50 Abstract: A light emitting device including a first electrode and a second electrode, and an emission layer disposed between the first electrode and the second electrode and including quantum dots, a first charge auxiliary layer disposed between the emission layer and the first electrode, and a second charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer comprises a first emission layer contacting the first charge auxiliary layer, a second emission layer disposed on the first emission layer, and a third emission layer disposed on the second emission layer. The hole mobility of the first emission layer decreases sequentially from the first emission layer to the third emission layer.
14
US2020083470A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: US2020083470A1 Publication Date: 2020-03-12 Application Number: 16/549,472 Filing Date: 2019-08-23 Inventor: Chung, Dae Young   Kim, Kwanghee   Seo, Hongkyu   Jang, Eun Joo   Cho, Oul   Kim, Tae Hyung   Won, Yuho   Lee, Hee Jae   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
15
EP3613826A1
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
Publication/Patent Number: EP3613826A1 Publication Date: 2020-02-26 Application Number: 19193423.1 Filing Date: 2019-08-23 Inventor: Chung, Dae Young   Kim, Kwanghee   Seo, Hongkyu   Jang, Eun Joo   Cho, Oul   Kim, Tae Hyung   Won, Yuho   Lee, Heejae   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/02 Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
16
US2020083450A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020083450A1 Publication Date: 2020-03-12 Application Number: 16/562,601 Filing Date: 2019-09-06 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/00 Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.
17
EP3620497A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: EP3620497A1 Publication Date: 2020-03-11 Application Number: 19195539.2 Filing Date: 2019-09-05 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: Samsung Electronics Co., Ltd.   IPC: C09K11/70 Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.
18
US2020212333A1
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
Publication/Patent Number: US2020212333A1 Publication Date: 2020-07-02 Application Number: 16/811,637 Filing Date: 2020-03-06 Inventor: Han, Moon Gyu   Chung, Dae Young   Kim, Kwanghee   Jang, Eun Joo   Kim, Chan Su   Park, Kun Su   Yoon, Won Sik   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H01L51/50 Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.
19
EP2975506B1
ELECTRODE STRUCTURE AND TOUCH DETECTING SENSOR USING THE SAME
Publication/Patent Number: EP2975506B1 Publication Date: 2020-11-04 Application Number: 15177454.4 Filing Date: 2015-07-20 Inventor: Kwak, Chan   Choi, Jae-young   Kim, Kwanghee   Roh, Jong Wook   Park, Hyeon Cheol   Shin, Weonho   Woo, Yun Sung   Lee, Hyosug   Hwang, Jinyoung   Assignee: Samsung Electronics Co., Ltd.   IPC: G06F3/044
20
EP3442582A1
COMBINATIONAL THERAPIES FOR TREATMENT OF CANCER COMPRISING A BACTERIOCHLOROPHYLL DERIVATIVE
Publication/Patent Number: EP3442582A1 Publication Date: 2019-02-20 Application Number: 17726380.3 Filing Date: 2017-04-10 Inventor: Scherz, Avigdor   Salomon, Yoram   Agemy, Liiach   Hamri, Rachel   Preise, Dina   Kim, Kwanghee   Coleman, Jonathan   Assignee: Yeda Research and Development Co. Ltd   Memorial Sloan-Kettering Cancer Center   IPC: A61K45/06
Total 3 pages