Patents by Inventor Kyung Bae Park

Kyung Bae Park 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: 20260247788
    Abstract: A quantum dot display panel of an electronic device includes a quantum dot light emitting diode which emits light in wavelength range, and a quantum dot sensor which is adjacent to the quantum dot light emitting diode and absorbs light in a visible light to infrared light wavelength range.
    Type: Application
    Filed: February 11, 2026
    Publication date: August 20, 2026
    Inventors: Moon Gyu HAN, Tae-Gon KIM, Taehyung KIM, Taekhoon KIM, Kyung Bae PARK, Dae-Yong Son, Nayoun WON, Shin Ae JUN
  • Publication number: 20260219521
    Abstract: A compound represented by Chemical Formula 1, an electro-optic material, an electro-optic modulator, and an optoelectronic integrated circuit are disclosed. In Chemical Formula 1, A, D, L1, L2, R1, R2, R3a, and R3b are the same as described in the detailed description.
    Type: Application
    Filed: October 23, 2025
    Publication date: July 30, 2026
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeong-Ju KIM, Kyung Bae PARK, Youngmok SON, Sungyoung YUN, Jiyoung JUNG, Sang Ho PARK, Hiromasa SHIBUYA
  • Patent number: 12672424
    Abstract: A sensor-embedded display panel includes a light emitting element and a sensor which include separate portions of a first common auxiliary layer including a hole transport material and a second common auxiliary layer including an electron transport material. The sensor includes first and second semiconductor layers proximate to the first and second common auxiliary layers, respectively, and including a p-type semiconductor and a non-fullerene n-type semiconductor having a LUMO energy level deeper than that of the electron transport material, respectively. An insertion layer between the second semiconductor layer and the second common auxiliary layer includes a metal, a metal compound, or any combination thereof. A work function of the metal or a LUMO energy level of the metal compound is deeper or shallower than the LUMO energy level of the non-fullerene n-type semiconductor and the LUMO energy level of the electron transport material within less than about 1.3 eV, respectively.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: June 30, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Feifei Fang, Sungyoung Yun, Chul Joon Heo, Hyeong-Ju Kim, Kyung Bae Park, Hwijoung Seo, Tae Jin Choi
  • Publication number: 20260169315
    Abstract: Disclosed is a compound represented by Chemical Formula 1. In Chemical Formula 1, the definition of each group and variable is as described in the detailed description.
    Type: Application
    Filed: December 12, 2025
    Publication date: June 18, 2026
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hiromasa SHIBUYA, Jeoung In YI, Sungyoung YUN, Youngmok SON, Sang Ho PARK, Jiyoung JUNG, Kyung Bae PARK, Hyeong-Ju KIM
  • Publication number: 20260150479
    Abstract: A sensor includes an anode; a cathode; an organic photoelectric conversion layer between the anode and the cathode; and a first organic auxiliary layer between the anode and the organic photoelectric conversion layer, the organic photoelectric conversion layer includes a p-type semiconductor and an n-type semiconductor, and the first organic auxiliary layer includes a first singlet fission material represented by Chemical Formula 1 and satisfying Relation Formula 1: E ? ( S 1 ) + 0.5 eV ? 2 × E ? ( T 1 ) [ Relation ? Formula ? 1 ] wherein, Chemical Formula 1 and Relation Formula 1 are the same as described in the specification.
    Type: Application
    Filed: November 21, 2025
    Publication date: May 28, 2026
    Applicants: Samsung Electronics Co., Ltd., UIF (University Industry Foundation), Yonsei University
    Inventors: Jeoung In YI, Hyerim HONG, Tae Jin CHOI, Sungyoung YUN, Feifei FANG, Jeong Il PARK, Sang Ho PARK, Kyung Bae PARK, Woojae KIM, Dongho KIM
  • Publication number: 20260135621
    Abstract: A receiver of an optical communication system includes an organic photoelectric conversion device configured to convert optical signals received from a transmitter into an electrical signal; and a demodulator configured to input the electrical signal to a trained artificial neural network and demodulate the electrical signal based on an output of the trained artificial neural network.
    Type: Application
    Filed: January 6, 2026
    Publication date: May 14, 2026
    Applicants: Samsung Electronics Co., Ltd., INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Chul Joon HEO, Hyunchae CHUN, Seoyeon OH, Seonghyeon CHO, Kyung Bae PARK, Hwijoung SEO, Younhee LIM
  • Publication number: 20260130001
    Abstract: An image sensor includes first and second electrode layers, a photocharge generating layer between the first and second electrode layers and configured to generate a photocharge based on absorbing incident light, the photocharge generating layer configured to have a first highest occupied molecular orbital (HOMO) level, a hole transport layer between the first electrode layer and the photocharge generating layer and having a second HOMO level different from the first HOMO level by a difference value that is greater than or equal to a first threshold value, and an electron transport layer between the photocharge generating layer and the second electrode layer. The image sensor causes a pixel current based on the photocharge to flow between the second electrode layer and the first electrode layer, based on a first pixel voltage equal to or greater than a second threshold value being applied to the second electrode layer.
    Type: Application
    Filed: August 15, 2025
    Publication date: May 7, 2026
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Moon Gyu HAN, Kyung Bae PARK, Taehyung KIM, Dae-Yong SON
  • Patent number: 12612378
    Abstract: A compound is represented by Chemical Formula 1. In Chemical Formula 1, G, R1, R2, R3, X1, Ar1 and Ar2 are each the same as in the specification.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: April 28, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeongju Kim, Feifei Fang, Kyung Bae Park, Jeong Il Park, Jisoo Shin, Sung Young Yun, Taejin Choi
  • Patent number: 12584790
    Abstract: A sensor may include a reflective electrode, a photoelectric conversion layer on the reflective electrode and including one or more photoelectric conversion materials, a semi-transmissive electrode on the photoelectric conversion layer, a light transmitting buffer layer on the semi-transmissive electrode, and a semi-transmissive auxiliary layer on the light transmitting buffer layer.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: March 24, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Joon Heo, Hwijoung Seo, Sungyoung Yun, Hyeong-Ju Kim, Kyung Bae Park, Feifei Fang, Younhee Lim, Tae Jin Choi
  • Patent number: 12581853
    Abstract: An organic compound is represented by Chemical Formula 1. In Chemical Formula 1, X1, X2, Ar1, n, R1, R2, A1, and A2 are each the same as in the specification.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 17, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Il Park, Sung Young Yun, Hyeongju Kim, Kyung Bae Park, Jisoo Shin, Taejin Choi, Chul Joon Heo
  • Patent number: 12559498
    Abstract: An organic compound is represented by Chemical Formula 1A or Chemical Formula 1B. In Chemical Formulas 1A and 1B, Ar1, Ar2, R1, R2, n, and m are each the same as in the detailed description.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: February 24, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Il Park, Feifei Fang, Sungyoung Yun, Chul Joon Heo, Kyung Bae Park, Hwijoung Seo
  • Patent number: 12537605
    Abstract: A receiver of an optical communication system includes an organic photoelectric conversion device configured to convert optical signals received from a transmitter into an electrical signal; and a demodulator configured to input the electrical signal to a trained artificial neural network and demodulate the electrical signal based on an output of the trained artificial neural network.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 27, 2026
    Assignees: Samsung Electronics Co., Ltd., Incheon National University Research & Business Foundation
    Inventors: Chul Joon Heo, Hyunchae Chun, Seoyeon Oh, Seonghyeon Cho, Kyung Bae Park, Hwijoung Seo, Younhee Lim
  • Patent number: 12501830
    Abstract: A compound that may be applied to a sensor to improve electrical properties thereof is represented by Chemical Formula 1: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: December 16, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye Rim Hong, Seon-Jeong Lim, Chul Joon Heo, Kyung Bae Park, Sung Young Yun, Taejin Choi
  • Patent number: 12439810
    Abstract: Disclosed are a compound represented by Chemical Formula 1, a sensor including the compound, a sensor-embedded display panel, and an electronic device. In Chemical Formula 1, X1, A, and R1 to R5 are as described in the specification.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: October 7, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Jin Choi, Hyerim Hong, Kyung Bae Park, Feifei Fang, Sungyoung Yun, Chul Joon Heo
  • Patent number: 12433088
    Abstract: A sensor-embedded display panel includes a light emitting element on a substrate and including a light emitting layer, and a photosensor including a photosensitive layer on the substrate and arranged in parallel with the light emitting layer along an in-plane direction of the substrate such that the photosensor and the light emitting layer at least partially overlap in the in-plane direction, wherein the light emitting element and the photosensor further include separate, respective portions of a first common auxiliary layer disposed under each of the light emitting layer and the photosensitive layer and connected to each other to be a single piece of material extending continuously between the light emitting element and the photosensor, and the photosensitive layer includes a first semiconductor represented by Chemical Formula 1 and a second semiconductor not including any fullerenes and forming a pn junction with the first semiconductor.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: September 30, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungyoung Yun, Kyung Bae Park, Feifei Fang, Hwijoung Seo, Hiromasa Shibuya, Younhee Lim, Tae Jin Choi, Chul Joon Heo
  • Publication number: 20250287824
    Abstract: A sensor embedded display panel includes a substrate, a light emitting element on the substrate and including an emission layer; and a photoelectric element on the substrate. The photoelectric element includes a light absorbing layer. The light absorbing layer at least partially overlaps the emission layer in a horizontal direction extending in parallel to an upper surface of the substrate. The light emitting element and the photoelectric element each include a separate portion of a first common auxiliary layer that extends on tops of the emission layer and the light absorbing layer and a separate portion of a second common auxiliary layer that extends on bottoms of the emission layer and the light absorbing layer. The photoelectric element further includes an auxiliary layer that has a thickness corresponding to one of a red wavelength spectrum, a green wavelength spectrum, or a blue wavelength spectrum.
    Type: Application
    Filed: May 28, 2025
    Publication date: September 11, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Sung Young YUN, Chul Joon HEO, Hyeong-Ju KIM, Feifei FANG, Taejin CHOI
  • Publication number: 20250270232
    Abstract: A sensor-embedded display panel includes a substrate, a light emitting element on the substrate and including a light emitting layer, and a light absorption sensor on the substrate and including a light absorbing layer arranged in parallel with the light emitting layer along an in-plane direction of the substrate. The light absorbing layer is configured to absorb light of a red wavelength spectrum, a green wavelength spectrum, a blue wavelength spectrum, or any combination thereof. The light emitting layer includes a first organic material and the light absorbing layer includes a second organic material. A difference between respective sublimation temperatures of the first and second organic materials is less than or equal to about 150° C., wherein each sublimation temperature is a temperature at which a weight reduction of 10% relative to the initial weight occurs during thermogravimetric analysis under an ambient pressure of about 10 Pa or less.
    Type: Application
    Filed: May 13, 2025
    Publication date: August 28, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeongju KIM, Jisoo SHIN, Sung Young YUN, Kyung Bae PARK, Jeong Il PARK, Taejin CHOI, Chul Joon HEO
  • Publication number: 20250271298
    Abstract: A sensor includes an anode; a cathode; an organic photoelectric conversion layer between the anode and the cathode; and a first organic auxiliary layer between the cathode and the organic photoelectric conversion layer. The organic photoelectric conversion layer includes a p-type semiconductor and an n-type semiconductor. The organic photoelectric conversion layer includes a first singlet fission material. A LUMO energy level of the first singlet fission material is equal to or deeper than a LUMO energy level of the n-type semiconductor. The first singlet fission material is represented by Chemical Formula 1: in the Chemical Formula 1, the definitions of R1 to R10 and n are described in the specification.
    Type: Application
    Filed: February 10, 2025
    Publication date: August 28, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Feifei FANG, Hyeong-Ju KIM, Tae Jin CHOI, Kyung Bae PARK, Jeong Il PARK, Sungyoung YUN, Younhee LIM
  • Patent number: 12396361
    Abstract: An imaging device includes a photoelectric conversion device including a sequential stack of an anode, a hole transport buffer layer, a photoelectric conversion layer, an electron transport buffer layer, and a cathode. The photoelectric conversion layer includes a p-type organic semiconductor and an n-type organic semiconductor. The electron transport buffer layer includes a compound represented by General Formula (1), and the p-type organic semiconductor includes a compound represented by General Formula (2): In General Formulas (1) and (2), Ar, R1 to R4, Ar3, R1 to R3, Ar1 and Ar2, and G1 and G2 are as defined in the specification.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: August 19, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Naotoshi Suganuma, Chul Joon Heo, Kyung Bae Park
  • Publication number: 20250257066
    Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and/or an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: January 17, 2025
    Publication date: August 14, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seon-Jeong LIM, Norihito ISHII, Katsunori SHIBATA, Yong Wan JIN, Taejin CHOI, Kyung Bae PARK, Sung Jun PARK, Jisoo SHIN, Sung Young YUN