Patents by Inventor Tae Hyung Kim

Tae Hyung 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: 20210207027
    Abstract: A quantum dot including: a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, and in the quantum dot, a mole ratio of the sulfur with respect to the selenium is less than or equal to about 2.4:1. A production method of the quantum dot and an electronic device including the same are also disclosed.
    Type: Application
    Filed: March 1, 2021
    Publication date: July 8, 2021
    Inventors: Yuho WON, Sung Woo KIM, Jin A KIM, Jeong Hee LEE, Tae Hyung KIM, Eun Joo JANG
  • Publication number: 20210202373
    Abstract: An integrated circuit includes a plurality of layers stacked in a first direction, a plurality of unit circuits at least partially overlapping each other in a second direction that is perpendicular to the first direction and configured to operate in parallel with one another, control circuitry configured to generate a control signal to control the plurality of unit circuits, and a multi-layer conducting line configured to transfer the control signal from the control circuitry to the plurality of unit circuits. The multi-layer conducting line may be integrally formed in a wiring layer and a via layer and extends in the second direction. The wiring layer and the via layer may be adjacent to each other.
    Type: Application
    Filed: March 10, 2021
    Publication date: July 1, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae-hyung KIM, Chan-Ho LEE
  • Publication number: 20210198569
    Abstract: Disclosed are a semiconductor nanocrystal particle including indium (In), zinc (Zn), and phosphorus (P), wherein a mole ratio of the zinc relative to the indium is greater than or equal to about 25:1, and the semiconductor nanocrystal particle includes a core including a first semiconductor material including indium, zinc, and phosphorus and a shell disposed on the core and including a second semiconductor material including zinc and sulfur, a method of producing the same, and an electronic device including the same. The semiconductor nanocrystal particle emits blue light having a maximum peak emission at a wavelength of less than or equal to about 470 nanometers.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Inventors: Tae Hyung KIM, Hyun A KANG, Eun Joo JANG, Dae Young CHUNG
  • Publication number: 20210202869
    Abstract: Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.
    Type: Application
    Filed: March 5, 2021
    Publication date: July 1, 2021
    Inventors: Jin A KIM, Yuho WON, Sung Woo KIM, Tae Hyung KIM, Jeong Hee LEE, Eun Joo JANG
  • Patent number: 11050033
    Abstract: A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwanghee Kim, Oul Cho, Chan Su Kim, Tae Hyung Kim, Eun Joo Jang, Moon Gyu Han
  • Patent number: 11042294
    Abstract: A method of displaying for allowing a plurality of application windows to be easily controlled and a display device therefor are provided. A method of displaying a screen on a display device includes displaying a button on a touch screen; splitting the touch screen into a plurality of regions based on the position at which the button is displayed, receiving a touch input to move a displayed button, obtaining a slope value of a line connecting a start point of the touch input to an end point thereof, selecting a region corresponding to the slope value from among the plurality of regions split, and moving the button to a certain position included in a selected region.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: June 22, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-hwan Choi, Young-jin Kim, Tae-soo Kim, Kang-tae Kim, Tae-hyung Kim
  • Patent number: 11038112
    Abstract: An electroluminescent device and a display device includes the same are disclosed. The electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode and including a first organic material having a conjugated structure; an emission layer disposed directly on the hole transport layer and including a plurality of light emitting particles; an electron transport layer disposed on the emission layer; and a second electrode disposed on the electron transport layer, wherein at least one of the light emitting particles includes a core and a hydrophilic ligand attached to a surface of the core, wherein the hole transport layer has a first thickness and a second thickness at any two point locations, and the first thickness and the second thickness satisfy Equation 1. Equation 1 is described in the detailed description.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Moon Gyu Han, Tae Hyung Kim, Sang Jin Lee, Eun Joo Jang
  • Patent number: 11018311
    Abstract: An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Eun Joo Jang, Oul Cho, Hyun A Kang, Tae Hyung Kim, Yun Sung Woo, Jeong Hee Lee
  • Patent number: 11011673
    Abstract: A quantum dot device including a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and an electron auxiliary layer disposed between the quantum dot layer and the second electrode, wherein the electron auxiliary layer includes an electron-transporting material represented by Chemical Formula 1 and an electron-controlling material capable of decreasing electron mobility of the electron auxiliary layer, and a display device. Zn1-xMxO??Chemical Formula 1 In Chemical Formula 1, M and x are the same as described in the detailed description.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Su Park, Tae Ho Kim, Sung Woo Kim, Chan Su Kim, Tae Hyung Kim, Eun Joo Jang
  • Patent number: 11011672
    Abstract: A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Garam Park, Tae Hyung Kim, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Yongwook Kim, Taekhoon Kim, Jihyun Min, Yuho Won
  • Patent number: 11011721
    Abstract: An electroluminescence display device, including a first electrode and a second electrode facing each other; a quantum dot emission layer disposed between the first electrode and the second electrode, the quantum dot emission layer including a plurality of quantum dots and not including cadmium, wherein the quantum dot emission layer includes a red emission layer disposed in a red pixel, a green emission layer disposed in a green pixel, and a blue emission layer disposed in a blue pixel, wherein the device has color reproducibility according to a DCI standard of greater than or equal to about 89%.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Eun Joo Jang, Dae Young Chung, Yong Wook Kim, Yuho Won, Oul Cho
  • Patent number: 11011720
    Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, tellurium, and selenium and a semiconductor nanocrystal shell disposed on the core and including zinc, tellurium, selenium, and sulfur, a production method thereof, and an electronic device including the same. The quantum dot is free of cadmium, the quantum dot has a mole ratio of tellurium with respect to selenium of less than or equal to about 0.06:1, a photoluminescence peak wavelength of the quantum dot is greater than or equal to about 450 nm and less than or equal to about 470 nanometers (nm), and a full width at half maximum (FWHM) of a photoluminescence peak of the quantum dot is less than or equal to about 41 nm.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Sung Woo Kim, Jin A Kim, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Oul Cho
  • Patent number: 11005060
    Abstract: An electroluminescent device including a first electrode, a hole transport layer disposed on the first electrode, a first emission layer disposed on the hole transport layer, the first emission layer including a first light emitting particle on which a first ligand having a hole transporting property is attached, a second emission layer disposed on the first emission layer, the second emission layer including a second light emitting particle on which a second ligand having an electron transporting property is attached, an electron transport layer disposed on the second emission layer, and a second electrode disposed on the electron transport layer, wherein a solubility of the first ligand in a solvent is different than a solubility of the second ligand in the solvent and a display device including the same.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 11, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Moon Gyu Han, Oul Cho, Tae Hyung Kim, Sujin Park, Hongkyu Seo, Eun Joo Jang
  • Patent number: 10992032
    Abstract: An antenna apparatus for a vehicle comprises: a first antenna connected to a signal processing substrate; and a second antenna connected to the signal processing substrate through the first antenna and operating in a frequency band different from that of the first antenna, wherein the first antenna comprises: a first radiator for detachably fixing one end of the second antenna; a second radiator operated as a dipole antenna together with the first radiator; and a third radiator for controlling a beam pattern radiated by the first radiator and the second radiator.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: April 27, 2021
    Assignee: LS MTRON LTD.
    Inventors: Tae-Hyung Kim, Hee-Chul Jung, Seung-Ho Choi
  • Patent number: 10983749
    Abstract: A method of an electronic device according to various embodiments of the present disclosure may comprise the operations of: indicating that a first screen related to a first application operating in a background state is being displayed in an external electronic device, connected to the electronic device, on the basis of data transmitted from the electronic device; and displaying an object floating on a second screen being displayed on the electronic device.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunkyoung Kim, Woonghee Park, Saetbyeol Lee, Bongkyu Kim, Tae Hyung Kim, Hyung-Jun Ahn, Kwang-Yong Lee, Sang-Hun Lee
  • Patent number: 10983403
    Abstract: A flexible liquid crystal film using a fiber-based foldable transparent electrode and a method of fabricating the same are provided. A flexible liquid crystal film using a fiber-based foldable transparent electrode according to an exemplary embodiment of the present disclosure, the flexible liquid crystal film includes: a pair of fiber-based foldable transparent electrodes in which a nanofiber transparent thin film formed of a polymer and a Nylon-6 nanofiber is coated with a silver (Ag) nanowire; and a dispersed liquid crystal formed by being cured between the pair of fiber-based foldable transparent electrodes.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 20, 2021
    Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITY
    Inventors: Seung Hee Lee, Byoung Suhk Kim, In Chul Kim, Tae Hyung Kim, Chae-Song Kwak
  • Patent number: 10975299
    Abstract: Disclosed are a semiconductor nanocrystal particle including indium (In), zinc (Zn), and phosphorus (P), wherein a mole ratio of the zinc relative to the indium is greater than or equal to about 25:1, and the semiconductor nanocrystal particle includes a core including a first semiconductor material including indium, zinc, and phosphorus and a shell disposed on the core and including a second semiconductor material including zinc and sulfur, a method of producing the same, and an electronic device including the same. The semiconductor nanocrystal particle emits blue light having a maximum peak emission at a wavelength of less than or equal to about 470 nanometers.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Hyun A Kang, Eun Joo Jang, Dae Young Chung
  • Patent number: 10978657
    Abstract: Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin A Kim, Yuho Won, Sung Woo Kim, Tae Hyung Kim, Jeong Hee Lee, Eun Joo Jang
  • Patent number: 10978660
    Abstract: An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Eun Joo Jang, Oul Cho, Hyun A Kang, Tae Hyung Kim, Yun Sung Woo, Jeong Hee Lee
  • Patent number: 10978658
    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.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Kwanghee Kim, Hongkyu Seo, Eun Joo Jang, Oul Cho, Tae Hyung Kim, Yuho Won, Hee Jae Lee