Patents by Inventor Hye-Seung Kang
Hye-Seung Kang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240079182Abstract: A multilayer electronic component, in which an external electrode may include a base electrode layer disposed on a surface of a body of the multilayer electronic component and connected to internal electrodes of the body, an intermediate electrode layer disposed on a corner of the body and connected to the base electrode layer, a conductive resin layer disposed on the intermediate electrode layer, and a plating layer disposed on the conductive resin layer. The intermediate electrode layer may be in contact with the plating layer on the corner of the body to prevent an increase in ESR while preventing cracks due to mounting through the conductive resin layer.Type: ApplicationFiled: July 19, 2023Publication date: March 7, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yoona Park, Kangha Lee, Hye Young Choi, Dong Ha Kang, Chul Seung Lee
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Publication number: 20230217816Abstract: Disclosed is a light emitting device capable of improving color purity and luminance, reducing a material driving voltage, and exhibiting a longer lifespan by changing the configuration of a green stack. The light emitting device includes a first electrode and a second electrode facing each other, and a light emitting unit including a p-type charge generation layer, a hole transport layer, and a green light emitting layer, which are sequentially stacked, wherein the green light emitting layer includes a triazine-based compound as a host and a phosphorescent dopant.Type: ApplicationFiled: December 19, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Wook SONG, Myeong Seon CHO, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
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Publication number: 20230217669Abstract: A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant.Type: ApplicationFiled: December 16, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Myeong Seon CHO, Wook SONG, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
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Publication number: 20220223803Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and organic light emitting device having the same, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and luminous lifespan.Type: ApplicationFiled: October 21, 2021Publication date: July 14, 2022Applicants: LG DISPLAY CO., LTD., LT Materials Co.,LtdInventors: Sung-Jin PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON, Yoo-Jeong JEONG, Ji-Young KIM, Seok-Hyeon YU
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Patent number: 11380853Abstract: Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant.Type: GrantFiled: December 23, 2019Date of Patent: July 5, 2022Assignees: LG DISPLAY CO., LTD., HEESUNG MATERIAL CO., LTD.Inventors: Hye-Seung Kang, Do-Han Kim, Woo-Sam Kim, Dong-Jun Kim, Hyo-Kyun Ham, Young-Seok No
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Publication number: 20220127288Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.Type: ApplicationFiled: October 20, 2021Publication date: April 28, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Jae-Min Moon, Sung-Jin PARK, Hye-Seung KANG, Yoo-Jeong JEONG
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Publication number: 20210313519Abstract: The present disclosure relates to an organic light emitting diode that comprises an organic compound in which a carbazole moiety fused with an aromatic ring and a hetero aromatic ring is linked to a triazine moiety substituted with aromatic and/or hetero aromatic groups via an aromatic linker, and at least one protium constituting the aromatic and/or hetero aromatic groups of the triazine moiety and the aromatic linker moiety is substituted with deuterium, and an organic light emitting device including the diode. The molecular conformation of the deuterium-substituted triazine moiety and the aromatic linker moiety is not deteriorated and dissolved, and therefore, the organic compound can implement luminous efficiency and luminous lifetime as an organic compound in which whole protiums are substituted with deuteriums.Type: ApplicationFiled: September 22, 2020Publication date: October 7, 2021Applicants: LG DISPLAY CO., LTD., Rohm and Haas Electronic Materials Korea Ltd.Inventors: Do Han KIM, Hye Seung KANG, Kyoung Jin PARK, Chi Sik KIM, Hyun KIM
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Publication number: 20210130382Abstract: The present disclosure provides an organometallic compound below and an organic light emitting diode and an organic light emitting display device including the organometallic compound.Type: ApplicationFiled: October 28, 2020Publication date: May 6, 2021Applicant: LG DISPLAY CO., LTD.Inventors: Hee-Jun PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON
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Publication number: 20210074932Abstract: The present disclosure relates to an organic metal compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic metal compound of the following structure. Incorporating the organic metal compound of the following structure into an emitting unit makes the OLED with improved luminous efficiency, luminous color purity and luminous lifetime.Type: ApplicationFiled: September 1, 2020Publication date: March 11, 2021Inventors: Hee-Jun Park, Do-Han Kim, Hye-Seung Kang
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Publication number: 20200212312Abstract: Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant.Type: ApplicationFiled: December 23, 2019Publication date: July 2, 2020Applicants: LG Display Co., Ltd., Heesung Material Co., Ltd.Inventors: Hye-Seung KANG, Do-Han KIM, Woo-Sam KIM, Dong-Jun KIM, Hyo-Kyun HAM, Young-Seok NO
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Patent number: 9431614Abstract: Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.Type: GrantFiled: November 21, 2012Date of Patent: August 30, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Jeong-Dae Seo, Chang-Wook Han, Yoon-Heung Tak, Hyo-Seok Kim, Eun-Ju Jeon, Hye-Seung Kang
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Patent number: 9281491Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.Type: GrantFiled: December 16, 2014Date of Patent: March 8, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Tae-Il Kum, Do-Han Kim, Young-Kwan Jung, Ki-Woog Song, Hye-Seung Kang, Hyung-June Kim
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Patent number: 9105861Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.Type: GrantFiled: October 24, 2013Date of Patent: August 11, 2015Assignee: LG Display Co., Ltd.Inventors: Young-Kwan Jung, Tae-Il Kum, Hye-Seung Kang, Hyung-June Kim
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Publication number: 20150188076Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.Type: ApplicationFiled: December 16, 2014Publication date: July 2, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Tae-Il KUM, Do-Han KIM, Young-Kwan JUNG, Ki-Woog SONG, Hye-Seung KANG, Hyung-June KIM
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Patent number: 9065068Abstract: Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.Type: GrantFiled: September 25, 2014Date of Patent: June 23, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Hye-Seung Kang, Tae-Il Kum, Young-Kwan Jung, Hyung-June Kim, Jung-Soo Park
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Publication number: 20150090984Abstract: Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.Type: ApplicationFiled: September 25, 2014Publication date: April 2, 2015Inventors: Hye-Seung KANG, Tae-Il KUM, Young-Kwan JUNG, Hyung-June KIM, Jung-Soo PARK
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Publication number: 20140117337Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.Type: ApplicationFiled: October 24, 2013Publication date: May 1, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Young-Kwan Jung, Tae-Il Kum, Hye-Seung Kang, Hyung-June Kim