Patents by Inventor Gyeongheon Kim

Gyeongheon Kim 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: 20240334827
    Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and a consumer product including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a hole transport region between the emission layer and the first electrode, and an electron transport region between the emission layer and the second electrode. The hole transport region includes a hole injection layer and a hole transport layer, the hole injection layer includes a charge-generation compound and a first hole-transporting compound, the hole transport layer includes a second hole-transporting compound, and the charge-generation compound and the second hole-transporting compound respectively satisfy Inequality 1 and Inequality 2, which are explained in the specification.
    Type: Application
    Filed: March 21, 2024
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Gyeongheon Kim, Donguk Kang, Seran Kim, Hoilim Kim, Saerom Park, Dongsun Yoo, Junyoung Lee
  • Publication number: 20240306487
    Abstract: An organic light-emitting device including an organometallic compound represented by Formula 1, and an electronic apparatus including the organic light-emitting device are provided.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 12, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park
  • Publication number: 20240279539
    Abstract: An organometallic compound includes iridium and a first ligand, where the first ligand is a bidentate ligand including Y1-containing ring B1 and Y2-containing ring B2, the Y1-containing ring B1 and Y2-containing ring B2 are each independently a polycyclic group in which three or more monocyclic groups are condensed together, Y1 is nitrogen bonded to iridium and Y2 is carbon bonded to iridium, and the organometallic compound is to emit red light. In addition, there are provided a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device, each including the light-emitting device.
    Type: Application
    Filed: January 23, 2024
    Publication date: August 22, 2024
    Inventors: Dongsun Yoo, Donguk Kang, Gyeongheon Kim, Sohae Kim, Jihye Kim, Hoilim Kim, Saerom Park, Yongsub Shim
  • Publication number: 20240251580
    Abstract: A light-emitting device, an electronic apparatus including the light-emitting device, and a consumer product including the light-emitting device are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and a capping layer arranged outside the first electrode or outside the second electrode. The emission layer includes a first emitter, the first emitter emits first light having a maximum emission wavelength of 470 nm or less, the first emitter includes platinum (Pt), and the capping layer includes an amine compound.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 25, 2024
    Inventors: Gyeongheon Kim, Sooryun Cho, Jihye Kim, Hoilim Kim, Saerom Park, Yongsub Shim, Dongsun Yoo
  • Publication number: 20240251581
    Abstract: Embodiments provide a light-emitting device, an electronic device including the light-emitting device, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport between the emission layer and the second electrode, and the emission layer includes a first emitter, and the electron transport region includes a heterocyclic compound, wherein the first emitter and the heterocyclic compound are explained in the specification.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 25, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gyeongheon Kim, Donguk Kang, Jihye Kim, Hoilim Kim, Saerom Park, Dongsun Yoo, Hyunguk Cho
  • Publication number: 20240251584
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes a hole transport region and an emission layer, the hole transport region is between the first electrode and the emission layer, the hole transport region includes a first layer in direct contact with the emission layer, the emission layer includes a first host and a first emitter. The first emitter is to emit first light having a peak emission wavelength of about 610 nm to about 720 nm. The first layer includes a first material. Both an absolute value of a highest occupied molecular orbital (HOMO) energy level of the first material and an absolute value of the HOMO energy level of the first emitter are greater than an absolute value of a HOMO energy level of the first host.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 25, 2024
    Inventors: Gyeongheon Kim, Eunhwa Jang, Sohae Kim, Jihye Kim, Saerom Park, Dongsun Yoo, Jintaek Cho
  • Publication number: 20240206321
    Abstract: A light-emitting device includes an organometallic compound represented by Formula 1, an electronic apparatus includes the light-emitting device, and the organometallic compound is represented by Formula 1 below: wherein the detailed description of Formula 1 is provided herein.
    Type: Application
    Filed: November 13, 2023
    Publication date: June 20, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park
  • Publication number: 20240206319
    Abstract: A light-emitting device includes an organometallic compound represented by Formula 1 and an electronic apparatus includes the light-emitting device. Also, an organometallic compound is represented by Formula 1: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: October 26, 2023
    Publication date: June 20, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park
  • Publication number: 20240190905
    Abstract: Provided are an organometallic compound, a light-emitting device including the same, and an electronic apparatus and electronic equipment that include the light-emitting device. The organometallic compound includes iridium and emits a first light, wherein a photoluminescence (PL) spectrum of the first light has a first peak (Imax) having a maximum intensity and a second peak (I2nd) having a second highest intensity, and the organometallic compound satisfies Condition 1 and at least one selected from Conditions 2 and 3: Condition 1: a wavelength of the first peak is in a range of 515 nm to 530 nm; Condition 2: an intensity of the second peak is at least 40% and not more than 60% compared to an intensity of the first peak; and Condition 3: a reorganization energy value of the organometallic compound is less than or equal to 0.22 eV.
    Type: Application
    Filed: May 24, 2023
    Publication date: June 13, 2024
    Inventors: Dongsun Yoo, Sooryun Cho, Gyeongheon Kim, Sohae Kim, Jihye Kim, Hoilim Kim, Saerom Park, Yongsub Shim
  • Publication number: 20240196725
    Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device that include the light-emitting device. In Formula 1, L1 may be a ligand represented by Formula 2, and Formulae 1 and 2 are described in more detail in the specification.
    Type: Application
    Filed: September 6, 2023
    Publication date: June 13, 2024
    Inventors: Dongsun Yoo, Donguk Kang, Gyeongheon Kim, Seran Kim, Sohae Kim, Jihye Kim, Hoilim Kim, Saerom Park, Yongsub Shim
  • Publication number: 20240180023
    Abstract: Provided are a light-emitting device including an organometallic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the organometallic compound represented by Formula 1 below. The detailed description of Formula 1 is as described herein.
    Type: Application
    Filed: July 26, 2023
    Publication date: May 30, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park
  • Publication number: 20240138252
    Abstract: An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, an interlayer which is between the first electrode and the second electrode and including an emission layer, and a capping layer located outside the first electrode or the second electrode, where the emission layer includes a first emitter, the first emitter is to emit blue light, the first emitter includes platinum (Pt), the highest occupied molecular orbital (HOMO) energy level of the first emitter is ?4.4 eV or less, and the capping layer includes an amine-free compound.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 25, 2024
    Inventors: Gyeongheon Kim, Sooryun Cho, Jihye Kim, Hoilim Kim, Saerom Park, Dongsun Yoo, Younho Han
  • Publication number: 20240130234
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer located between the first electrode and the second electrode and including an emission layer, and a boron-based compound represented by Formula 1: where Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: June 7, 2023
    Publication date: April 18, 2024
    Inventors: Gyeongheon Kim, Dongsun Yoo, Sanghee Yu, Seran Kim, Hoilim Kim
  • Publication number: 20240116967
    Abstract: Provided are a light-emitting device including an organometallic compound represented by Formula 1, an electronic device including the light-emitting device, and the organometallic compound represented by Formula 1. The organometallic compound emits light having a maximum emission wavelength of about 500 nm to about 650 nm and has a 3MLCT (%) ratio greater than or equal to 16.0%.
    Type: Application
    Filed: June 8, 2023
    Publication date: April 11, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park
  • Publication number: 20240114767
    Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The first ligand, L1, of the organometallic compound may include a first polycyclic coordinate ring in which four or more rings are condensed with each other and a second polycyclic coordinate ring in which three or more rings are condensed with each other. M1(L1)n1(L2)n2??Formula 1.
    Type: Application
    Filed: September 1, 2023
    Publication date: April 4, 2024
    Inventors: Dongsun Yoo, Donguk Kang, Gyeongheon Kim, Seran Kim, Sohae Kim, Jihye Kim, Hoilim Kim, Saerom Park, Yongsub Shim
  • Publication number: 20240107789
    Abstract: A light emitting element may include: a first electrode; a second electrode facing the first electrode; at least one functional layer disposed between the first electrode and the second electrode; and a capping layer disposed on the second electrode and including a fused compound represented by Formula 1 below. The capping layer possesses high refractive characteristics.
    Type: Application
    Filed: June 27, 2023
    Publication date: March 28, 2024
    Inventors: SANGHEE YU, GYEONGHEON KIM, HOI-LIM KIM, Dongsun YOO, GYUBONG KIM, YONGSUB SHIM
  • Publication number: 20240040926
    Abstract: The disclosure provides an organometallic compound represented by Formula 1, a light-emitting device including the organometallic compound, and an electronic apparatus and an electronic device including the light-emitting device.
    Type: Application
    Filed: May 23, 2023
    Publication date: February 1, 2024
    Inventors: Sohae Kim, Sooryun Cho, Gyeongheon Kim, Dongsun Yoo, Jihye Kim, Hoilim Kim, Saerom Park, Youngmi Cho
  • Publication number: 20240023361
    Abstract: An electronic device including the light-emitting device, and a consumer product including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer and an electron transport region, wherein the electron transport region is between the emission layer and the second electrode, and the emission layer includes a first emitter, and the electron transport region includes a heterocyclic compound. The descriptions of the first emitter and the heterocyclic compound are the same as described in the present specification.
    Type: Application
    Filed: May 24, 2023
    Publication date: January 18, 2024
    Inventors: Gyeongheon Kim, Sooryun Cho, Sohae Kim, Jihye Kim, Hoilim Kim, Saerom Park, Dongsun Yoo, Sungyu Jung
  • Publication number: 20230422597
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and a capping layer, wherein the emission layer includes a first emitter, the first emitter is configured to emit first light having a first emission spectrum, the capping layer is arranged in a path on which the first light is configured to travel, an emission peak wavelength of the first light is in a range of about 610 nm to about 720 nm, the first emitter includes iridium, the capping layer includes an amine-containing compound, a value of ratio of reflective index to full width at half maximum of the first light configured to be extracted to the outside through the capping layer is 2.0 or more, and the RRF value is calculated by Equation 1.
    Type: Application
    Filed: June 21, 2023
    Publication date: December 28, 2023
    Inventors: Sohae Kim, Donguk Kang, Gyeongheon Kim, Hochul Song, Sangho Jeon, Sunmi Choi
  • Publication number: 20230389345
    Abstract: Provided is an organic light emitting device including a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer outside the first electrode or the second electrode. The emission layer includes a first emitter, the first emitter emits red light and includes iridium, a photoluminescence (PL) spectrum of the first emitter includes a first peak (Imax) having a maximum intensity and a second peak (I2nd) having a second highest intensity, and a ratio (I2nd/Imax) of an intensity of the second peak to an intensity of the first peak is less than or equal to 0.5. The capping layer includes an amine-fee compound.
    Type: Application
    Filed: May 25, 2023
    Publication date: November 30, 2023
    Inventors: Hoilim Kim, Donguk Kang, Gyeongheon Kim, Sohae Kim, Jihye Kim, Saerom Park, Yongsub Shim, Dongsun Yoo