Patents by Inventor Hyunju Choi
Hyunju Choi 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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Patent number: 12265431Abstract: An electronic device includes a housing, a first substrate disposed in an internal space of the housing, a conductive structure disposed at a location isolated from the first substrate, a second substrate electrically connected to the conductive structure and the first substrate, and an electrical connection member electrically connecting the second substrate to the conductive structure. The electrical connection member may include a first fixing portion fixed to the conductive structure, a second fixing portion fixed to the second substrate, and a connection portion connecting the first fixing portion and the second fixing portion. The first fixing portion includes a first bent portion bent along a first bent line from a neck portion, that is, a boundary area with the connection portion, and a second bent portion bent along a second bent line from the first bent portion.Type: GrantFiled: July 6, 2022Date of Patent: April 1, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Sunghyup Lee, Beomju Kim, Myunggwan Park, Jungsik Park, Yeohwan Yoon, Hyunwoo Lee, Yongchan Choi, Hyunju Hong
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Publication number: 20250087593Abstract: A semiconductor package including a first semiconductor chip including a substrate having a front surface and a rear surface opposite to each other, front pads on the front surface, through-electrodes electrically connected to the front pads, passing through the substrate, and protruding onto the rear surface, and rear pads on the through-electrodes, a first dielectric layer covering at least a portion of the first semiconductor chip, the first dielectric layer surrounding, on the rear surface of the substrate, a portion of a side surface of each of the through-electrodes and a side surface of each of the rear pads, on the rear surface of the substrate, at least one first alignment structure within the first dielectric layer around the first semiconductor chip, and a second semiconductor chip on the first dielectric layer may be provided.Type: ApplicationFiled: February 20, 2024Publication date: March 13, 2025Applicant: Samsung Electronics Co., Ltd.Inventors: Juil CHOI, Jusuk KANG, Jongho PARK, Jaeyoung LEE, Hyunju LEE, Wonho CHOI
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Patent number: 12250334Abstract: An electronic device according to various embodiments of the disclosure may include: a first housing, a second housing, a hinge assembly comprising a hinge disposed between the first housing and the second housing, and including a hinge plate and a hinge module disposed at both ends of the hinge plate in a longitudinal direction of the hinge plate, a first circuit board disposed in the first housing, a second circuit board disposed in the second housing, a flexible display disposed on the first housing, the second housing, and the hinge assembly, a first waterproof member comprising a waterproof material disposed between the first housing and the flexible display, a first adhesive member comprising an adhesive disposed between the hinge module and the flexible display, an electrical component disposed between the first waterproof member and the first adhesive member, an electrical component waterproof member comprising a waterproof material disposed between the electrical component and the flexible display, aType: GrantFiled: August 10, 2022Date of Patent: March 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kiyoung Jung, Woosung Chun, Jungchul An, Seungki Choi, Hyunju Hong
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Publication number: 20240409482Abstract: Provided are a novel compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, wherein all the variables are described herein.Type: ApplicationFiled: June 9, 2023Publication date: December 12, 2024Applicant: LG Chem, Ltd.Inventors: Young Kwang Kim, Jaechol Lee, Yongwook Kim, Juhwan Kim, Hyungil Park, Byeong Yun Lim, Hyunju Choi
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Publication number: 20240327647Abstract: Provided are a coating composition comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2 and a solvent, an organic light emitting device including the same, and a method for manufacturing the same, wherein all the variables are described herein.Type: ApplicationFiled: January 17, 2023Publication date: October 3, 2024Applicant: LG Chem, Ltd.Inventors: Hyunju Choi, Hyungil Park, Jaechol Lee, Su Hun Jeong, Yongwook Kim
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Publication number: 20240306503Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same; wherein A1 to A5, Ar1 Ar2 and R are described herein.Type: ApplicationFiled: January 4, 2022Publication date: September 12, 2024Applicant: LG Chem, Ltd.Inventors: Young Kwang Kim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Byeong Yun Lim, Beomshin Cho, Hyunju Choi
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Publication number: 20240298542Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1 and an organic light emitting device including the same, wherein Ar1, Ar2, R1 to R3, and n1 to n3 are described herein.Type: ApplicationFiled: July 28, 2022Publication date: September 5, 2024Applicant: LG Chem, Ltd.Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Shin Sung Kim, Young Kwang Kim, Juhwan Kim, Hyunju Choi
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Publication number: 20240292752Abstract: A compound represented by the following Chemical Formula 1 and an organic light emitting device including the same are described: wherein all the variables are described herein.Type: ApplicationFiled: April 18, 2022Publication date: August 29, 2024Applicant: LG Chem, Ltd.Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Hyunju Choi
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Publication number: 20240090330Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein A1 to A4, X, Y and n are described herein.Type: ApplicationFiled: March 8, 2022Publication date: March 14, 2024Applicants: LG Chem, Ltd., LG Chem, Ltd.Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Hyunju Choi
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Publication number: 20230406867Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein Ar1 to Ar4 and R1 are described herein.Type: ApplicationFiled: December 3, 2021Publication date: December 21, 2023Applicant: LG Chem, Ltd.Inventors: Yongwook Kim, Jaechol Lee, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Byeong Yun Lim, Hyunju Choi
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Publication number: 20230115435Abstract: The present disclosure provides a novel compound of Chemical Formula 1 and an organic light emitting device including the same, X1, X2, A4, A5, Ar1, Ar2, and R1 to R4 are described herein.Type: ApplicationFiled: July 19, 2021Publication date: April 13, 2023Applicant: LG Chem, Ltd.Inventors: Shin Sung Kim, Jaechol Lee, Yongwook Kim, Young Kwang Kim, Byeong Yun Lim, Beomshin Cho, Hyunju Choi
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Publication number: 20230043088Abstract: The present disclosure provides an organic light emitting device comprising a hole injection layer including a cured product of a compound represented by the following Chemical Formula 1, and a hole transport layer including a polymer containing a repeating unit represented by the following Chemical Formula 2: wherein all the variables a10-re described herein.Type: ApplicationFiled: August 21, 2020Publication date: February 9, 2023Applicant: LG Chem, Ltd.Inventors: Esder Kang, Yeonhui Yi, Sejin Jung, Beomgoo Kang, Min Suk Jung, Jaesoon Bae, Jaechol Lee, Yebyeol Kim, Hyunju Choi
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Publication number: 20220389127Abstract: The present specification relates to a polymer comprising a unit represented by Chemical Formula 1, a monomer represented by Chemical Formula 2, a coating composition comprising the same, an organic light emitting device formed using the same, and a method for manufacturing an organic light emitting device using the same: wherein the variables are described herein.Type: ApplicationFiled: September 18, 2020Publication date: December 8, 2022Applicant: LG Chem, Ltd.Inventors: Min Suk Jung, Jaesoon Bae, Youngju Park, Esder Kang, Byeong Yun Lim, Dowon Lim, Jaechol Lee, Hyunju Choi
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Patent number: 10903442Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.Type: GrantFiled: July 19, 2018Date of Patent: January 26, 2021Assignee: Samsung Display Co., Ltd.Inventors: Changmin Lee, Jihye Shim, Yeonwoo Lee, Jehong Choi, Hyunju Choi, Sangwoo Pyo, Myungsuk Han
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Publication number: 20190148648Abstract: Disclosed are an organic light-emitting diode and an organic light-emititng display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; and an organic layer interposed between the first electrode and the second layer and including a hole transport region, a light-emitting layer, an electron transport region, and a diffusion barrier layer, wherein the diffusion barrier layer includes one or more diffusion barrier materials including a 6- to 20-membered N-heterocyclic aromatic compound, a lithium complex, and/or a phosphine oxide-based compound.Type: ApplicationFiled: July 23, 2018Publication date: May 16, 2019Inventors: Changmin LEE, Jihye SHIM, Yeonwoo LEE, Jehong CHOI, Hyunju CHOI, Sangwoo PYO, Myungsuk HAN
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Publication number: 20190148663Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.Type: ApplicationFiled: July 19, 2018Publication date: May 16, 2019Inventors: Changmin LEE, Jihye SHIM, Yeonwoo LEE, Jehong CHOI, Hyunju CHOI, Sangwoo PYO, Myungsuk HAN
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Patent number: 9711746Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.Type: GrantFiled: April 21, 2015Date of Patent: July 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Changmin Lee, Hyunju Choi, Jihwan Yoon
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Publication number: 20160133674Abstract: An organic light emitting diode display includes: a substrate; and a plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes on the substrate, each of the plurality of red organic light emitting diodes, green organic light emitting diodes, and blue organic light emitting diodes including: a first electrode on the substrate; an organic layer on the first electrode; and a second electrode on the organic layer, and the organic layer includes a light emission auxiliary layer on the first electrode and an organic light emitting layer on the light emission auxiliary layer, and the organic layer of each of the red organic light emitting diodes has a thickness of about 90 to 110 nm.Type: ApplicationFiled: April 21, 2015Publication date: May 12, 2016Inventors: Changmin Lee, Hyunju Choi, Jihwan Yoon
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Patent number: 7652424Abstract: An organic light emitting device is disclosed. The organic light emitting device includes a first substrate, a display unit that is positioned on the first substrate and includes a plurality of subpixels, a second substrate facing the first substrate, a seal member attaching the first substrate to the second substrate, and at least one projection. The seal member substantially has a water vapor permeation rate of 100 g/m2 day to 103 g/m2 day. The projection is positioned at a location corresponding to a bezel area of at least one of the first and second substrates.Type: GrantFiled: January 16, 2008Date of Patent: January 26, 2010Assignee: LG Electronics Inc.Inventors: Sangtae Park, Myungseop Kim, Jeongdae Seo, Wonjae Yang, Hyunju Choi, Younghoon Shin, Changho Hyeon, Jongmoo Lee
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Publication number: 20090001877Abstract: An organic light emitting device is disclosed. The organic light emitting device includes a first substrate, a display unit that is positioned on the first substrate and includes a plurality of subpixels, a second substrate facing the first substrate, a seal member attaching the first substrate to the second substrate, and at least one projection. The seal member substantially has a water vapor permeation rate of 100 g/m2day to 103 g/m2day. The projection is positioned at a location corresponding to a bezel area of at least one of the first and second substrates.Type: ApplicationFiled: January 16, 2008Publication date: January 1, 2009Inventors: Sangtae PARK, Myungseop Kim, Jeongdae Seo, Wonjae Yang, Hyunju Choi, Younghoon Shin, Changho Hyeon, Jongmoo Lee