Patents by Inventor Shingo Ishihara

Shingo Ishihara 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).

  • Publication number: 20240130217
    Abstract: A light-emitting device including a first electrode, a second electrode opposing the first electrode, and an interlayer located between the first electrode and the second electrode, wherein the interlayer includes an emission layer, wherein the emission layer includes m1 dopants and m2 hosts, and m1 and m2 are each 1 or greater, when m1 is 2 or greater, then two or more of the dopants are different from each other, when m2 is 2 or greater, then two or more of the hosts are different from each other, and the light-emitting device satisfies Condition 1: 0 debye·V?DMEML×(Vop?Vinj)?3.41 debye·V??Condition 1 wherein Condition 1 may be understood by referring to the description provided herein.
    Type: Application
    Filed: July 28, 2023
    Publication date: April 18, 2024
    Inventors: Seungyeon Kwak, Sungmin Kim, Kum Hee Lee, Banglin Lee, Sunghun Lee, Shingo ISHIHARA, Byoungki Choi, Youngki Hong
  • Publication number: 20240099046
    Abstract: A composition, including m1 dopants; and m2 hosts, wherein m1 and m2 are each an integer of 1 or greater, when m1 is 2 or greater, two or more of the m1 dopants are different from each other, when m2 is 2 or greater, two or more of the m2 hosts are different from each other, and the composition has an image-modifying coordinate represented by: (X,Y) as defined herein.
    Type: Application
    Filed: July 28, 2023
    Publication date: March 21, 2024
    Inventors: Youngki Hong, Seungyeon Kwak, Sungmin Kim, Sunghun Lee, Shingo ISHIHARA, Yong Joo Lee, Byoungki Choi, Kyuyoung Hwang
  • Patent number: 11800801
    Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first host and a dopant, the dopant is an organometallic compound including platinum, the organic light-emitting device satisfies a condition of: HOMO(D)?HOMO(Host 1)?0.2 electron volts, HOMO(D) is a highest occupied molecular orbital (HOMO) energy level of the dopant in electron volts, HOMO(Host 1) is a HOMO) energy level of the first host in electron volts, and HOMO(D) and HOMO(Host 1) are each measured using a photoelectron spectrometer in an ambient atmosphere.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokhwan Hong, Myungsun Sim, Seungyeon Kwak, Hyun Koo, Sangdong Kim, Chul Baik, Sukekazu Aratani, Sunyoung Lee, Sunghun Lee, Shingo Ishihara, Jeoungin Yi, Yuri Cho, Yasushi Koishikawa
  • Publication number: 20230276692
    Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device, the light-emitting device including: a first electrode; a second electrode; an emission layer arranged between the first electrode and the second electrode; and a buffer layer arranged between the first electrode and the emission layer, wherein the buffer layer is in direct contact with the emission layer, the emission layer includes a first compound represented by Formula 1, and the buffer layer includes a second compound represented by Formula 5. The first compound and the second compound are respectively the same as those described in the present specification.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 31, 2023
    Inventors: Hyungjun KIM, Byungjoon Kang, Seungyeon KWAK, Sungmin KIM, Juhee MOON, Sunghun LEE, Shingo ISHIHARA, Byoungki CHOI
  • Patent number: 11696458
    Abstract: An organic light-emitting device including a first electrode, a second electrode, an emission layer disposed between the first electrode and the second electrode, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode, wherein the emission layer includes a host and a dopant, wherein the dopant is an iridium-free organometallic compound, and wherein a dopant concentration profile of the emission layer satisfies predetermined parameters disclosed in the specification.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokhwan Hong, Seungyeon Kwak, Hyun Koo, Sangdong Kim, Sungjun Kim, Jiwhan Kim, Sunghun Lee, Sukekazu Aratani, Sunyoung Lee, Shingo Ishihara, Aram Jeon, Byoungki Choi
  • Publication number: 20220131085
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, in Formula 1, M, L1, L2, n1, and n2 may be understood by referring to the descriptions of M, L1, L2, n1, and n2 respectively as disclosed herein.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 28, 2022
    Inventors: Byungjoon Kang, Seungyeon Kwak, Kum Hee Lee, Aram Jeon, Kyuyoung Hwang, Banglin Lee, Shingo ISHIHARA, Yuri Cho, Byoungki Choi, Seokhwan Hong
  • Publication number: 20220102652
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, in Formula 1, M, L1, L2, n1 and n2 are the same as described in the specification.
    Type: Application
    Filed: March 22, 2021
    Publication date: March 31, 2022
    Inventors: Yong Joo Lee, Byungjoon Kang, Shingo ISHIHARA, Jeoungin Yi, Byoungki Choi, Yasushi KOISHIKAWA, Kyuyoung Hwang
  • Publication number: 20220052278
    Abstract: Provided is a display apparatus. The display apparatus may include an organic light-emitting device (OLED) substrate including a structure in which at least one blue emission unit and at least one green emission unit may be stacked and emitting mixed light of blue light and green light; and a color-controlling unit for controlling color of light generated from the OLED substrate.
    Type: Application
    Filed: July 19, 2021
    Publication date: February 17, 2022
    Inventors: Banglin Lee, Byungjoon KANG, Seungyeon Kwak, Kum Hee Lee, Sunghun Lee, Shingo ISHIHARA, Yong Joo Lee, Jeoungin Yi, Byoungki Choi, Kyuyoung Hwang
  • Publication number: 20210257560
    Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first host and a dopant, the dopant is an organometallic compound including platinum, the organic light-emitting device satisfies a condition of: HOMO(D)?HOMO(Host 1)?0.2 electron volts, HOMO(D) is a highest occupied molecular orbital (HOMO) energy level of the dopant in electron volts, HOMO(Host 1) is a HOMO) energy level of the first host in electron volts, and HOMO(D) and HOMO(Host 1) are each measured using a photoelectron spectrometer in an ambient atmosphere.
    Type: Application
    Filed: August 14, 2020
    Publication date: August 19, 2021
    Inventors: Seokhwan HONG, Myungsun SIM, Seungyeon KWAK, Hyun KOO, Sangdong KIM, Chul BAIK, Sukekazu ARATANI, Sunyoung LEE, Sunghun LEE, Shingo ISHIHARA, Jeoungin YI, Yuri CHO, Yasushi KOISHIKAWA
  • Publication number: 20210198297
    Abstract: Provided are an organometallic compound, an organic light-emitting device including the same, and a diagnostic composition including the same.
    Type: Application
    Filed: June 8, 2020
    Publication date: July 1, 2021
    Inventors: Aram JEON, Byungjoon KANG, Seungyeon KWAK, Kum Hee LEE, Kyuyoung HWANG, Ohyun KWON, Shingo ISHIHARA, Yuri CHO, Byoungki CHOI, Seokhwan HONG
  • Patent number: 10950807
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Banglin Lee, Seungyeon Kwak, Kum Hee Lee, Shingo Ishihara, Yongsuk Cho, Hwayoung Cho
  • Patent number: 10825730
    Abstract: A method for manufacturing a solid-state imaging device comprises a first step of preparing an imaging element having a second principal surface having an electrode arranged thereon, and a photoelectric converter part configured to photoelectrically convert the incident energy line so as to generate a signal charge; a second step of preparing a support substrate, provided with a through hole extending in a thickness direction thereof, having a third principal surface; a third step of aligning the imaging element and the support substrate with each other so that the electrode is exposed out of the through hole while the second and third principal surfaces oppose each other and joining the imaging element and the support substrate to each other; and a fourth step of arranging a conductive ball-shaped member in the through hole and electrically connecting the ball-shaped member to the electrode after the third step.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 3, 2020
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yasuhito Yoneta, Ryoto Takisawa, Shingo Ishihara, Hisanori Suzuki, Masaharu Muramatsu
  • Publication number: 20190326526
    Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound. wherein, in Formula 1, R1 to R12 and R19 are the same as described in the specification.
    Type: Application
    Filed: April 23, 2019
    Publication date: October 24, 2019
    Inventors: Yoonhyun KWAK, Sunyoung LEE, Jungin LEE, Jiyoun LEE, Aram JEON, Hyun KOO, Sukekazu ARATANI, Shingo ISHIHARA, Yuri CHO, Byoungki CHOI, Seokhwan HONG
  • Publication number: 20190194237
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Jongwon Choi, Yongsuk CHO, Hyun KOO, Bumwoo PARK, Sunghun LEE, Shingo ISHIHARA, Yoonhyun KWAK, Ohyun KWON
  • Publication number: 20190165292
    Abstract: An organic light-emitting device including a first electrode, a second electrode, an emission layer disposed between the first electrode and the second electrode, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode, wherein the emission layer includes a host and a dopant, wherein the dopant is an iridium-free organometallic compound, and wherein a dopant concentration profile of the emission layer satisfies predetermined parameters disclosed in the specification.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Inventors: Seokhwan HONG, Seungyeon KWAK, Hyun KOO, Sangdong KIM, Sungjun KIM, Jiwhan KIM, Sunghun LEE, Sukekazu ARATANI, Sunyoung LEE, Shingo ISHIHARA, Aram JEON, Byoungki CHOI
  • Publication number: 20180309072
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Inventors: Banglin LEE, Seungyeon KWAK, Kum Hee LEE, Shingo ISHIHARA, Yongsuk CHO, Hwayoung CHO
  • Publication number: 20180286752
    Abstract: A method for manufacturing a solid-state imaging device comprises a first step of preparing an imaging element having a second principal surface having an electrode arranged thereon, and a photoelectric converter part configured to photoelectrically convert the incident energy line so as to generate a signal charge; a second step of preparing a support substrate, provided with a through hole extending in a thickness direction thereof, having a third principal surface; a third step of aligning the imaging element and the support substrate with each other so that the electrode is exposed out of the through hole while the second and third principal surfaces oppose each other and joining the imaging element and the support substrate to each other; and a fourth step of arranging a conductive ball-shaped member in the through hole and electrically connecting the ball-shaped member to the electrode after the third step.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 4, 2018
    Inventors: Yasuhito YONETA, Ryoto TAKISAWA, Shingo ISHIHARA, Hisanori SUZUKI, Masaharu MURAMATSU
  • Patent number: 10068800
    Abstract: A method for manufacturing a solid-state imaging device comprises a first step of preparing an imaging element having a second principal surface having an electrode arranged thereon, and a photoelectric converter part configured to photoelectrically convert the incident energy line so as to generate a signal charge; a second step of preparing a support substrate, provided with a through hole extending in a thickness direction thereof, having a third principal surface; a third step of aligning the imaging element and the support substrate with each other so that the electrode is exposed out of the through hole while the second and third principal surfaces oppose each other and joining the imaging element and the support substrate to each other; and a fourth step of arranging a conductive ball-shaped member in the through hole and electrically connecting the ball-shaped member to the electrode after the third step.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 4, 2018
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yasuhito Yoneta, Ryoto Takisawa, Shingo Ishihara, Hisanori Suzuki, Masaharu Muramatsu
  • Patent number: 9954193
    Abstract: In an organic light-emitting element including a first electrode, a second electrode, and a light-emitting layer placed between the first electrode and the second electrode, the light-emitting layer includes a host material, a first emitter, and a second emitter, the emission peak wavelength of the first emitter is longer than the emission peak wavelength of the second emitter, and an aromatic heterocyclic ligand or an auxiliary ligand of the first emitter include an electron withdrawing group. Accordingly, an organic light-emitting element can be provided in which the HOMO value of a specific luminescent dopant is closer to the HOMO value of another luminescent dopant.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: April 24, 2018
    Assignee: HITACHI, LTD.
    Inventors: Sukekazu Aratani, Hirotaka Sakuma, Shingo Ishihara, Naoya Tokoo, Hiroshi Sasaki
  • Patent number: 9817743
    Abstract: Provided is a technique of compensating time degradation of a CPU and maintaining performance of an electronic device without disturbing a normal operation of the electronic device. A maintenance apparatus includes: a degradation information acquisition unit that acquires degradation information from a sensor circuit integrated in a CPU when the CPU performs a normal operation, the degradation information varying according to degradation of the CPU; a degradation level determination unit that determines a degradation level based on the degradation information, the degradation level indicating a degree of progression of degradation of the CPU; and a power supply control unit that controls a power supply to increase a power supply voltage applied to the CPU with increasing the degradation level.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: November 14, 2017
    Assignee: NEC PLATFORMS, LTD.
    Inventor: Shingo Ishihara