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: 20250028017
    Abstract: A method and a device for estimating a position of a device by using an optical signal through converting a linearly polarized optical signal to a plurality of electric signals using a plurality of photoelectric devices, estimating a moving distance of the device from a reference position by using the plurality of electric signals, and estimating an orientation angle of the device with respect to a reference direction by using the plurality of electric signals are provided.
    Type: Application
    Filed: June 13, 2024
    Publication date: January 23, 2025
    Applicants: Samsung Electronics Co., Ltd., INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Chul Joon HEO, Hyunchae CHUN, Minseok YOO, Kyung Bae PARK, Younhee LIM
  • Publication number: 20250024712
    Abstract: A display device that may include a substrate, a driving element layer disposed on the substrate, and a light emitting element layer disposed on the driving element layer. The light emitting element layer may include a pixel defining layer including a plurality of openings defining a corresponding plurality of pixels, a first electrode disposed in each of the pixels and including a first portion covered by the pixel defining layer and a second portion extending from the first portion and corresponding to one of the openings of each of the pixels,, an intermediate layer covering the second portion of the first electrode in the openings of each of the pixels, covering the pixel defining layer between neighboring pixels, and including an electrically disconnected portion corresponding to the heating wiring.
    Type: Application
    Filed: February 29, 2024
    Publication date: January 16, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Hyun PYO, Kyung Bae KIM, Do Yeong PARK
  • Publication number: 20250024727
    Abstract: A display device includes: sub-pixels on a base layer, each of the sub-pixels including a light emitting element including: a first electrode; a second electrode; and a light emitting structure electrically connected between the first electrode and the second electrode; and a separator protruding in a thickness direction of the base layer between the sub-pixels, and including separator structures spaced from each other in a plan view to define a separation area. The separation area includes one or more bending areas between the sub-pixels.
    Type: Application
    Filed: April 3, 2024
    Publication date: January 16, 2025
    Inventors: Do Yeong PARK, Kyung Bae KIM, Dong Woo KIM
  • Patent number: 12178125
    Abstract: Disclosed are a photoelectric conversion device, and a sensor and an electronic device including the same. The photoelectric conversion device may include a first electrode and a second electrode and a photoelectric conversion layer between the first electrode and the second electrode. The photoelectric conversion layer includes a first material and a second material, which form a pn junction, and a third material that is different from the first material and the second material. The third material is configured to modify a distribution of energy levels of the first material or the second material.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: December 24, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daiki Minami, Sung Young Yun, Kyung Bae Park, Sung Jun Park, Chul Joon Heo
  • Publication number: 20240381765
    Abstract: A compound represented by Chemical Formula 1 is provided. The compound has a reorganization energy of less than about 0.191 eV and a maximum absorption wavelength value calculated by density functional theory (DFT) of less than or equal to about 500 nm. In Chemical Formula 1, the definition of each group is as described in the specification.
    Type: Application
    Filed: April 26, 2024
    Publication date: November 14, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Younhee LIM, Hyeong-Ju KIM, Feifei FANG, Jeoung In YI, Kyung Bae PARK, Jeong Il PARK, Tae Jin CHOI
  • Publication number: 20240365664
    Abstract: A compound is represented by Chemical Formula 1, and at least one of X1 and X2 is a substituent having a volume ranging from about 900 bohr3 to about 3000 bohr3 (V/molecule), and a photoelectric device, an image sensor, and an electronic device includes the compound: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 31, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeoung In YI, Hyeong-Ju KIM, Daiki MINAMI, Kyung Bae PARK, Jeong Il PARK, Sungyoung YUN, Tae Jin CHOI, Chul Joon HEO
  • Patent number: 12114567
    Abstract: A photoelectric device includes a first electrode, a second electrode, a photoelectric conversion layer between the first electrode and the second electrode, and a charge transport layer between the first electrode and the photoelectric conversion layer. The photoelectric conversion layer is configured to absorb light in a wavelength spectrum and converting the absorbed light into an electrical signal. The charge transport layer includes a first charge transport material and a second charge transport material which collectively define a heterojunction.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: October 8, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-Hwan Hong, Sung Jun Park, Kyung Bae Park, Sung Young Yun, Chul Joon Heo
  • Publication number: 20240321914
    Abstract: Provided is a compound represented by any one of Chemical Formulas 1 to 3, and having a molecular packing density of greater than or equal to about 1.55 molecules/nm3 and photoelectric devices, light absorption sensors, sensor-embedded display panels, and electronic devices including the same. In Chemical Formulas 1 to 3, the definition of each substituent is as described in the specification.
    Type: Application
    Filed: February 26, 2024
    Publication date: September 26, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae Jin CHOI, Hyeong-Ju KIM, Daiki MINAMI, Kyung Bae PARK, Jeong Il PARK, Hiromasa SHIBUYA, Jeoung In YI, Younhee LIM, Hyerim HONG
  • Publication number: 20240324260
    Abstract: Disclosed are a display panel and an electronic device. The display panel may include a substrate, first, second, and third light emitting diodes on the substrate and configured to emit light of first, second, and third wavelength spectra in a visible light wavelength spectrum, respectively, and first, second, third organic photoelectric conversion diodes overlapping the first, second, and third light emitting diode along a thickness direction of the substrate, respectively, may be provided. Each of first, second, third organic photoelectric conversion diodes may be configured to selectively absorb a portion of the visible light wavelength spectrum and convert the absorbed light into an electrical signal.
    Type: Application
    Filed: January 25, 2024
    Publication date: September 26, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Jeong Il PARK, Daiki MINAMI, Hwijoung SEO, Sungyoung YUN, Younhee LIM, Juhyung LIM
  • Publication number: 20240324393
    Abstract: A sensor-embedded display panel includes a substrate, a plurality of light emitting elements on the substrate and configured to emit light of different wavelength spectra belonging to the visible light wavelength spectrum, and a plurality of sensors on the substrate and configured to selectively sense light of any one of a green wavelength spectrum and a red wavelength spectrum. Each of the sensors includes a photoelectric conversion layer that includes a first wavelength-selective photoelectric conversion material having a first maximum absorption wavelength in a wavelength range of about 500 nm to about 600 nm and a thickness of the buffer layer is about 20 nm to about 50 nm, or the photoelectric conversion layer includes a second wavelength-selective photoelectric conversion material having a second maximum absorption wavelength in a wavelength range of greater than about 600 nm and less than about 750 nm and a thickness of the buffer layer is about 70 nm to about 110 nm.
    Type: Application
    Filed: March 14, 2024
    Publication date: September 26, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sungyoung YUN, Kyung Bae PARK, Chul Joon HEO, Hwijoung SEO
  • Patent number: 12084439
    Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: September 10, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jisoo Shin, Chul Baik, Taejin Choi, Sung Young Yun, Kyung Bae Park, Gae Hwang Lee, Yeong Suk Choi, Chul Joon Heo
  • Publication number: 20240298535
    Abstract: Provided is a compound represented by Chemical Formula 1 and having a reorganization energy of the compound of less than about 0.163 eV and a maximum absorption wavelength value calculated by density functional theory (DFT) of less than or equal to about 495 nm, and photoelectric devices, light absorption sensors, sensor-embedded display panels, and electronic devices including the same. In Chemical Formula 1, the definition of each substituent is as described in the specification.
    Type: Application
    Filed: February 23, 2024
    Publication date: September 5, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeong-Ju KIM, Kyung Bae PARK, Feifei FANG, Sungyoung YUN, Jeoung In YI, Younhee LIM, Tae Jin CHOI, Chul Joon HEO
  • Patent number: 12071447
    Abstract: A composition for a photoelectric device includes a p-type semiconductor compound represented by Chemical Formula 1 and an n-type semiconductor compound, and an image sensor and an electronic device including the same: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: August 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeongju Kim, Hye Rim Hong, Kyung Bae Park, Jeong Il Park, Sung Young Yun, Seon-Jeong Lim, Youn Hee Lim, Taejin Choi
  • Publication number: 20240244965
    Abstract: Provided are a compound represented by Chemical Formula 1A or 1B and a photoelectric device, a light absorption sensor, a sensor-embedded display panel, and an electronic device including the same. Details for Chemical Formulas 1A and 1B are as described in the detailed description.
    Type: Application
    Filed: December 18, 2023
    Publication date: July 18, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae Jin CHOI, Hyeong-Ju KIM, Feifei FANG, Sungyoung YUN, Jeoung In YI, Younhee LIM, Juhyung LIM, Hyerim HONG, Daiki MINAMI, Kyung Bae PARK
  • Publication number: 20240215275
    Abstract: Provided are a photoelectric device, a light absorption sensor, a sensor-embedded display panel, and an electronic device. The photoelectric device includes a first electrode and a second electrode facing each other, and a light absorbing layer between the first electrode and the second electrode, wherein the light absorbing layer is configured to absorb light of a red wavelength spectrum, a green wavelength spectrum, a blue wavelength spectrum, an infrared wavelength spectrum, or any combination thereof, the light absorbing layer includes a p-type semiconductor and an n-type semiconductor, and the n-type semiconductor includes a compound represented by Chemical Formula 1. Details for Chemical Formula 1 are as described in the detailed description.
    Type: Application
    Filed: December 6, 2023
    Publication date: June 27, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae Jin CHOI, Hyeong-Ju KIM, Daiki MINAMI, Kyung Bae PARK, Feifei FANG, Sungyoung YUN, Jeoung In YI, Younhee LIM, Hyerim HONG
  • Publication number: 20240196635
    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: Application
    Filed: September 1, 2023
    Publication date: June 13, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Feifei FANG, Sungyoung YUN, Chul Joon HEO, Hyeong-Ju KIM, Kyung Bae PARK, Hwijoung SEO, Tae Jin CHOI
  • Patent number: 11997856
    Abstract: A photoelectric device includes a first photoelectric conversion layer including a heterojunction that includes a first p-type semiconductor and a first n-type semiconductor, a second photoelectric conversion layer on the first photoelectric conversion layer and including a heterojunction that includes a second p-type semiconductor and a second n-type semiconductor. A peak absorption wavelength (?max1) of the first photoelectric conversion layer and a peak absorption wavelength (?max2) of the second photoelectric conversion layer are included in a common wavelength spectrum of light that is one wavelength spectrum of light of a red wavelength spectrum of light, a green wavelength spectrum of light, a blue wavelength spectrum of light, a near infrared wavelength spectrum of light, or an ultraviolet wavelength spectrum of light, and a light-absorption full width at half maximum (FWHM) of the second photoelectric conversion layer is narrower than an FWHM of the first photoelectric conversion layer.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: May 28, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Takkyun Ro, Kiyohiko Tsutsumi, Chul Joon Heo, Yong Wan Jin
  • Publication number: 20240159587
    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: Application
    Filed: August 25, 2023
    Publication date: May 16, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Hwijoung SEO, Sungyoung YUN, Hyeong-Ju KIM, Kyung Bae PARK, Feifei FANG, Younhee LIM, Tae Jin CHOI
  • Publication number: 20240147744
    Abstract: A display panel may include a light emitting element including a light emitting layer and a sensor including a photosensitive layer on a substrate. The light emitting element and the sensor each may include respective portions of first and second common auxiliary layers, which may be continuous under and over the light emitting layer and the photosensitive layer. The first and second common auxiliary layers respectively may include a hole transport material and an electron transport material. The photosensitive layer may include first and second semiconductor layers close to the first and second common auxiliary layers, respectively. The first and second semiconductor layers respectively may include a p-type semiconductor and an n-type semiconductor. The second semiconductor layer may have an uneven surface facing the second common auxiliary layer and may have an average roughness (Rq) of greater than or equal to about 5 nm.
    Type: Application
    Filed: September 22, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sungyoung YUN, Hyeong-Ju KIM, Kyung Bae PARK, Jungyun WON, Bongsu KIM, Seongyong PARK, Jeong Il PARK
  • Publication number: 20240138166
    Abstract: An image sensor includes a semiconductor substrate in which a plurality of photo-sensing elements are integrated, an organic active layer on the semiconductor substrate, an interlayer between the organic active layer and the semiconductor substrate, and optionally a color filter layer on the organic active layer. The organic active layer includes a singlet fission material. The interlayer includes a dielectric selected from an oxide, a nitride, oxynitride, fluoride, oxyfluoride, and any combination thereof.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Younhee LIM, Kyung Bae PARK, Sungyoung YUN, Juhyung LIM