Patents by Inventor Hyun Bum Kang
Hyun Bum Kang 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: 20230422593Abstract: A stretchable panel includes a stretchable substrate including a first elastomer having a first elastic modulus, a non-stretchable pattern covering a portion of the stretchable substrate and including a particular material that includes an organic, inorganic, or organic-inorganic material, the particular material having a second elastic modulus higher than the first elastic modulus, a plurality of unit elements arranged on the non-stretchable pattern, a plurality of pixel circuits configured to independently operate separate, respective unit elements, a connection electrode configured to electrically connect each of the unit elements and each of the pixel circuits, and an elastic structure overlapped with an edge portion of the non-stretchable pattern along a thickness direction of the stretchable substrate and comprising a second elastomer having a third elastic modulus higher than the first elastic modulus and lower than the second elastic modulus, and an electronic device including the same.Type: ApplicationFiled: March 23, 2023Publication date: December 28, 2023Applicant: Samsung Electromics Co., Ltd.Inventors: Gae Hwang LEE, Hyun Bum KANG, Youngjun YUN
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Publication number: 20230341902Abstract: Provided are a flexible display panel and an electronic device including the same, in the flexible display panel that is foldable, bendable, or rollable along at least one axis extending in a first direction, the flexible display panel including a substrate including a stretchable region and a non-stretchable region, a plurality of pixel circuits repeatedly arranged on the substrate, and a unit element array including unit elements repeatedly arranged on the substrate and electrically connected to each of the pixel circuits, wherein each of the pixel circuits includes a plurality of thin film transistors, the plurality of thin film transistors include a first thin film transistor on the stretchable region of the substrate, and a channel length direction of the first thin film transistor is substantially parallel to the first direction flexible display panel.Type: ApplicationFiled: February 28, 2023Publication date: October 26, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Youngjun Yun, Hyun Bum Kang, Jong Won Chung
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Publication number: 20230329560Abstract: A bio imaging system includes a plurality of light emitters configured to irradiate light, and a plurality of sensors configured to detect light reflected by an internal tissue of a living body. Each sensor includes a plurality of photo-detecting elements having different absorption peak wavelengths in relation to each other.Type: ApplicationFiled: June 28, 2023Publication date: October 19, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Youngjun YUN, Jong Won CHUNG, Hyun Bum KANG
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Patent number: 11737346Abstract: Provided are a polymer semiconductor including a first structural unit represented by Chemical Formula 1 and a second structural unit represented by Chemical Formula 2, a stretchable polymer thin film including the same, and an electronic device. Definitions of Chemical Formulas 1 and 2 are as described in the detailed description.Type: GrantFiled: May 16, 2022Date of Patent: August 22, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Sangah Gam, Jong Won Chung, Hyun Bum Kang, Youngjun Yun, Yeongjun Lee
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Patent number: 11717168Abstract: A bio imaging system includes a plurality of light emitters configured to irradiate light, and a plurality of sensors configured to detect light reflected by an internal tissue of a living body. Each sensor includes a plurality of photo-detecting elements having different absorption peak wavelengths in relation to each other.Type: GrantFiled: November 25, 2020Date of Patent: August 8, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Gae Hwang Lee, Youngjun Yun, Jong Won Chung, Hyun Bum Kang
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Publication number: 20230103445Abstract: Disclosed are a photodiode element, and a sensor and an electronic device including the same. The photodiode element includes a first electrode, a second electrode facing the first electrode, a photoelectric conversion layer between the first electrode and the second electrode and having an absorption spectrum in a first wavelength spectrum, a light-emitting layer between the photoelectric conversion layer and the second electrode and having an emission peak wavelength belonging to the first wavelength spectrum, and a first charge transport layer between the photoelectric conversion layer and the light-emitting layer.Type: ApplicationFiled: July 5, 2022Publication date: April 6, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Hyun Bum KANG, Youngjun YUN, Jong Won CHUNG
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Patent number: 11557741Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an organic auxiliary layer between the first electrode and the photoelectric conversion layer and having a higher charge mobility than a charge mobility of the photoelectric conversion layer. An organic sensor may include the photoelectric conversion device. An electronic device may include the organic sensor.Type: GrantFiled: July 23, 2019Date of Patent: January 17, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Chul Joon Heo, Kyung Bae Park, Hyun Bum Kang, Sung Jun Park, Jeong Il Park, Chul Baik, Ji Soo Shin, Sung Young Yun, Gae Hwang Lee, Don-Wook Lee, Eun Kyung Lee, Yong Wan Jin, Yeong Suk Choi, Taejin Choi
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Publication number: 20220407008Abstract: Provided are a polymer semiconductor including a first structural unit represented by Chemical Formula 1 and a second structural unit represented by Chemical Formula 2, a stretchable polymer thin film including the same, and an electronic device. Definitions of Chemical Formulas 1 and 2 are as described in the detailed description.Type: ApplicationFiled: May 16, 2022Publication date: December 22, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Sangah GAM, Jong Won CHUNG, Hyun Bum KANG, Youngjun YUN, Yeongjun LEE
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Publication number: 20220393067Abstract: A stretchable device includes a stretchable substrate, and a plurality of optoelectronic diodes on the stretchable substrate. At least one optoelectronic diode includes a first electrode and a second electrode, and an active layer between the first electrode and the second electrode. The active layer includes a first semiconductor, a second semiconductor having different electrical characteristics from the first semiconductor, and an insulating elastomer.Type: ApplicationFiled: March 23, 2022Publication date: December 8, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Hyun Bum KANG, Gae Hwang LEE, Yeongjun LEE, Youngjun YUN, Jong Won CHUNG
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Publication number: 20220334616Abstract: A stretchable device includes a stretchable substrate having a plurality of incision lines that are configured to be deformable by an external force applied to the stretchable substrate, a plurality of active elements on the stretchable substrate, and a connection wire configured to electrically connect adjacent active elements of the plurality of active elements, wherein the connection wire includes a metal wire and a conductive elastic structure electrically connected to the metal wire and locally disposed in the connection wire.Type: ApplicationFiled: December 6, 2021Publication date: October 20, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Yeongjun LEE, Youngjun YUN, Jong Won CHUNG, Hyun Bum KANG, Gae Hwang LEE
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Publication number: 20220280044Abstract: A bio imaging system includes a substrate, a light source on the substrate, and a sensor on the substrate, wherein at least one of the light source or the sensor is configured to emit or absorb light of different wavelength spectrum. The bio imaging system is configured to combine a plurality of images obtained based on the light of different wavelength spectra to obtain a three-dimensional image of an internal tissue of a living body.Type: ApplicationFiled: November 5, 2021Publication date: September 8, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Youngjun YUN, Hyun Bum KANG, Jong Won CHUNG
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Publication number: 20220240862Abstract: A biosignal sensor includes a light-emitting element, a photo-detective element configured to detect a biosignal from light reflected from an in-vivo target, a first polarizer configured to selectively transmit light in a first polarization direction, and a second polarizer configured to selectively transmit light in a second polarization direction. The light-emitting element includes a first light-emitting element overlapped with the first polarizer in a vertical direction, the photo-detective element includes a first photo-detective element overlapped with the second polarizer in the vertical direction, the first light-emitting element and the first photo-detective element are parallel to each other along a first direction that is perpendicular to the vertical direction, and the first polarization direction and the second polarization direction are perpendicular to each other.Type: ApplicationFiled: October 26, 2021Publication date: August 4, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Youngjun YUN, Hyun Bum KANG, Yeongjun LEE, Jong Won CHUNG
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Publication number: 20220093287Abstract: A stacked structure for a stretchable device includes a stretchable layer including an elastic polymer, and a conductive layer on the stretchable layer and including a metal, wherein the stretchable layer includes a first depth region and a second depth region sequentially disposed in a depth direction from a surface of the stretchable layer that is in contact with the conductive layer and the first depth region includes the metal.Type: ApplicationFiled: August 3, 2021Publication date: March 24, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Yeongjun LEE, Joo Young KIM, Youngjun YUN, Hyun Bum KANG, Jong Won CHUNG
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Publication number: 20220042965Abstract: A biosensor includes a stretchable substrate, a pixel defining layer on the stretchable substrate and including a first pixel defining layer at least partially defining a first opening and a second pixel defining layer at least partially defining a second opening, a photo-detecting element at least partially in the first opening, and a first light emitting element at least partially in the second opening, wherein an area of the first pixel defining layer is equal to or greater than about twice an area of the first opening.Type: ApplicationFiled: July 29, 2021Publication date: February 10, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Hyun Bum KANG, Gae Hwang LEE, Jong Won CHUNG, Joo Young KIM, Youngjun YUN, Suk Gyu HAHM
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Publication number: 20220015641Abstract: A bio imaging system includes a plurality of light emitters configured to irradiate light, and a plurality of sensors configured to detect light reflected by an internal tissue of a living body. Each sensor includes a plurality of photo-detecting elements having different absorption peak wavelengths in relation to each other.Type: ApplicationFiled: November 25, 2020Publication date: January 20, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Youngjun YUN, Jong Won CHUNG, Hyun Bum KANG
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Publication number: 20220007952Abstract: A biosignal sensor includes a light sensor, a first polarizer configured to linearly polarize incident light emitted, and a second polarizer configured to linearly polarize light flowing into the light sensor. The biosignal sensor may include a light source that may emit light in a first direction and at least partially overlaps the first polarizer in the first direction, the light sensor at least partially overlapping the second polarizer in the first direction.Type: ApplicationFiled: November 24, 2020Publication date: January 13, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Hyun Bum KANG, Youngjun YUN, Jong Won CHUNG
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Publication number: 20210378533Abstract: Disclosed is a biosensor including a light-emitting element, a photo-detective element, a light transmitting layer under the light-emitting element and the photo-detective element, and an optical structure inside the light transmitting layer and configured to control a propagation direction of light, a biosensor array and a device.Type: ApplicationFiled: October 26, 2020Publication date: December 9, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Hyun Bum KANG, Jong Won CHUNG, Youngjun YUN, Yeongjun LEE
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Patent number: 11069863Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.Type: GrantFiled: October 23, 2019Date of Patent: July 20, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Yasutaka Kuzumoto, Jeong Il Park, Hyun Bum Kang, Eun Kyung Lee, Don-Wook Lee
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Patent number: 10707424Abstract: A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.Type: GrantFiled: July 10, 2017Date of Patent: July 7, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Eun Kyung Lee, Eigo Miyazaki, Jeong Il Park, Hyun Bum Kang
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Publication number: 20200176690Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.Type: ApplicationFiled: October 23, 2019Publication date: June 4, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Yasutaka KUZUMOTO, Jeong II PARK, Hyun Bum KANG, Eun Kyung LEE, Don-Wook LEE