Patents by Inventor Hwijoung SEO
Hwijoung SEO 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).
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Publication number: 20240324260Abstract: 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: ApplicationFiled: January 25, 2024Publication date: September 26, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Chul Joon HEO, Kyung Bae PARK, Jeong Il PARK, Daiki MINAMI, Hwijoung SEO, Sungyoung YUN, Younhee LIM, Juhyung LIM
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Publication number: 20240324393Abstract: 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: ApplicationFiled: March 14, 2024Publication date: September 26, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Sungyoung YUN, Kyung Bae PARK, Chul Joon HEO, Hwijoung SEO
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Publication number: 20240196635Abstract: 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: ApplicationFiled: September 1, 2023Publication date: June 13, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Feifei FANG, Sungyoung YUN, Chul Joon HEO, Hyeong-Ju KIM, Kyung Bae PARK, Hwijoung SEO, Tae Jin CHOI
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Publication number: 20240159587Abstract: 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: ApplicationFiled: August 25, 2023Publication date: May 16, 2024Applicant: 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
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Publication number: 20240107881Abstract: Provided a compound represented by Chemical Formula 1, and a photoelectric device, a light absorption sensor, and an electronic device including the same. In Chemical Formula 1, the definition of each substituent is as described in the specification.Type: ApplicationFiled: August 16, 2023Publication date: March 28, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Younhee LIM, Feifei FANG, Jeoung In YI, Hyerim HONG, Kyung Bae PARK, Hwijoung SEO
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Publication number: 20240101565Abstract: 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: ApplicationFiled: August 18, 2023Publication date: March 28, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jeong Il PARK, Feifei FANG, Sungyoung YUN, Chul Joon HEO, Kyung Bae PARK, Hwijoung SEO
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Publication number: 20240057438Abstract: A sensor-embedded display panel includes a light emitting element on a substrate and including a light emitting layer, and a photosensor on the substrate and including a photosensitive layer extending at least partially in parallel with the light emitting layer along an in-plane direction of the substrate. The light emitting element and the photosensor include separate, respective portions of each of first and second common auxiliary layers each extending continuously as a single piece of material under and on, respectively, each of the light emitting layer and the photosensitive layer. The photosensitive layer may include a light absorbing semiconductor having a HOMO energy level having a difference of less than about 1.0 eV from a HOMO energy level of the first common auxiliary layer and a LUMO energy level having a difference of less than about 1.0 eV from a LUMO energy level of the second common auxiliary layer.Type: ApplicationFiled: May 15, 2023Publication date: February 15, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Hyeong-Ju KIM, Chul Joon Heo, Kyung Bae Park, Feifei Fang, Hwijoung Seo, Hiromasa Shibuya, Sungyoung Yun, Tae Jin Choi, Hyerim Hong
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Publication number: 20240040810Abstract: 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: ApplicationFiled: November 4, 2022Publication date: February 1, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Sungyoung YUN, Kyung Bae PARK, Feifei FANG, Hwijoung SEO, Hiromasa SHIBUYA, Younhee LIM, Tae Jin CHOI, Chul Joon HEO
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Publication number: 20230208531Abstract: 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: ApplicationFiled: December 29, 2022Publication date: June 29, 2023Applicants: Samsung Electronics Co., Ltd., INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATIONInventors: Chul Joon Heo, Hyunchae Chun, Seoyeon Oh, Seonghyeon Cho, Kyung Bae Park, Hwijoung Seo, Younhee Lim
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Publication number: 20230036360Abstract: An organic photodiode includes a first electrode including a reflective layer, a second electrode including a semi-transmissive layer, a photoelectric conversion layer between the first electrode and the second electrode and including an organic light absorbing material, and a buffer layer that is at least one of between the reflective layer and the photoelectric conversion layer or between the semi-transmissive layer and the photoelectric conversion layer. The organic photodiode is configured to exhibit at least three external quantum efficiency (EQE) spectra in a wavelength region of about 380 nm to about 3000 nm and each EQE spectrum of the at least three EQE spectra has a full width at half maximum of about 2 nm to about 100 nm.Type: ApplicationFiled: June 28, 2022Publication date: February 2, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Young YUN, Kyung Bae PARK, Chul Joon HEO, Feifei FANG, Hwijoung SEO
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Publication number: 20220392972Abstract: A sensor-embedded display panel includes a substrate, a light emitting element on the substrate and including a light emitting layer, and a photosensor on the substrate and including a photoelectric conversion layer in parallel with the light emitting layer along an in-plane direction of the substrate, wherein the light emitting element and the photosensor each include a separate portion of a first common auxiliary layer that is a single piece of material that extends continuously on the light emitting layer and the photoelectric conversion layer, and a separate portion of a common electrode on the first common auxiliary layer and is configured to apply a common voltage to both the light emitting element and the photosensor, and the photoelectric conversion layer includes a sequential stack from the first common auxiliary layer of a first n-type semiconductor layer, a second n-type semiconductor layer, and a p-type semiconductor layer.Type: ApplicationFiled: March 16, 2022Publication date: December 8, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Chul Joon HEO, Kyung Bae PARK, Sung Young YUN, Hyeongju KIM, Feifei FANG, Hwijoung SEO, Juhyung LIM, Taejin CHOI