Patents by Inventor Chui Joon HEO
Chui Joon HEO 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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Patent number: 11716892Abstract: An OLED display panel may include a substrate, an OLED light emitter on the substrate and configured to emit light, and a visible light sensor on the substrate and configured to detect at least a portion of the emitted light based on reflection of the portion of the emitted light from a recognition target. The visible light sensor is in a non-light emitting region adjacent to the OLED light emitter so as to be horizontally aligned with the OLED light emitter in a horizontal direction extending parallel to an upper surface of the substrate, or between the substrate and a non-light emitting region adjacent to the OLED light emitter such that the visible light sensor is vertically aligned with the non-light emitting region in a vertical direction extending perpendicular to the upper surface of the substrate.Type: GrantFiled: April 12, 2021Date of Patent: August 1, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Sung Young Yun, Gae Hwang Lee, Yong Wan Jin, Chui Joon Heo
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Patent number: 11713952Abstract: Disclosed are an organic photoelectric device including a first electrode and a second electrode facing each other and a photoelectric conversion layer between the first electrode and the second electrode, wherein the photoelectric conversion layer includes a p-type semiconductor, an n-type semiconductor, and an n-type dopant represented by Chemical Formula 1, and an image sensor and an electronic device including the same. Definitions of Chemical Formula 1 are the same as defined in the detailed description.Type: GrantFiled: May 15, 2020Date of Patent: August 1, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Sung Jun Park, Hiromasa Shibuya, Sung Young Yun, Gae Hwang Lee, Yong Wan Jin, Chui Joon Heo
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Patent number: 11711974Abstract: 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: GrantFiled: April 20, 2020Date of Patent: July 25, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Taejin Choi, Chul Baik, Ji Soo Shin, Sung Young Yun, Kyung Bae Park, Gae Hwang Lee, Yeong Suk Choi, Chui Joon Heo
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Patent number: 11690542Abstract: Disclosed is a non-invasive biometric sensor including a light source, an organic photodetector, and a detector. The light source is configured to irradiate light in a desired (and/or alternatively predetermined) wavelength range to a body part. The organic photodetector is configured to sense the light in the desired (and/or alternatively predetermined) wavelength range in response to the light in the desired (and/or alternatively predetermined) range being transmitted through the body part. The detector is configured to determine biomedical information of the body part based on an amount of the light sensed by the organic photodetector.Type: GrantFiled: August 28, 2020Date of Patent: July 4, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Chui Joon Heo, Kyung Bae Park, Takkyun Ro, Kwang Hee Lee, Dongseon Lee, Yong Wan Jin, Moon Gyu Han
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Patent number: 11683971Abstract: An OLED display panel may include a substrate, an OLED light emitter on the substrate and configured to emit light, and a visible light sensor on the substrate and configured to detect at least a portion of the emitted light based on reflection of the portion of the emitted light from a recognition target. The visible light sensor is in a non-light emitting region adjacent to the OLED light emitter so as to be horizontally aligned with the OLED light emitter in a horizontal direction extending parallel to an upper surface of the substrate, or between the substrate and a non-light emitting region adjacent to the OLED light emitter such that the visible light sensor is vertically aligned with the non-light emitting region in a vertical direction extending perpendicular to the upper surface of the substrate.Type: GrantFiled: April 12, 2021Date of Patent: June 20, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Sung Young Yun, Gae Hwang Lee, Yong Wan Jin, Chui Joon Heo
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Patent number: 11616092Abstract: An image sensor may include a first photo-sensing device on a semiconductor substrate and configured to sense light of a first wavelength spectrum, and second and third photo-sensing devices integrated in the semiconductor substrate and configured to sense light of a second and third wavelength spectrum, respectively. The first photo-sensing device may overlap each of the second and third photo-sensing devices in a thickness direction of the semiconductor substrate. The second and third photo-sensing devices do not overlap in the thickness direction and each have an upper surface, a lower surface, and a doped region therebetween. The third photo-sensing device includes an upper surface deeper further from the upper surface of the semiconductor substrate than the upper surface of the second photo-sensing device and a doped region thicker than the doped region of the second photo-sensing device. The image sensor may omit the first photo-sensing device.Type: GrantFiled: November 13, 2020Date of Patent: March 28, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Yong Wan Jin, Sung Young Yun, Sung Jun Park, Feifei Fang, Chui Joon Heo
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Patent number: 11495761Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, an organic photoelectric conversion layer between the first electrode and the second electrode, and a charge auxiliary layer between the first electrode and the organic photoelectric conversion layer. The organic photoelectric conversion layer is configured to absorb light in at least a portion of a wavelength spectrum of incident light and to convert the absorbed light into an electrical signal. The charge auxiliary layer includes a metal and an oxide. The oxide may be an oxide material that excludes silicon oxide such that the charge auxiliary layer does not include silicon oxide.Type: GrantFiled: March 11, 2020Date of Patent: November 8, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Chui Joon Heo, Kyung Bae Park, Sung Jun Park, Sung Young Yun, Gae Hwang Lee, Chui Baik, Ji Soo Shin, Yong Wan Jin, Hye Rim Hong
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Patent number: 11437438Abstract: 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 inorganic nanolayer between the first electrode and the photoelectric conversion layer and including a lanthanide element, calcium (Ca), potassium (K), aluminum (Al), or an alloy thereof. An organic CMOS image sensor may include the photoelectric conversion device. An electronic device may include the organic CMOS image sensor.Type: GrantFiled: December 21, 2020Date of Patent: September 6, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Chui Joon Heo, Sung Young Yun, Gae Hwang Lee, Yong Wan Jin
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Patent number: 11432774Abstract: A pulse oximeter may include a photoelectric conversion device having wavelength selectivity so that a low output LED may be included in the pulse oximeter to prevent skin damage and to reduce power consumption. The pulse oximeter includes a light emitting device configured to emit white light and a sensor configured to detect transmitted light that is received from the light emitting device. The sensor includes a near infrared organic photoelectric conversion device configured to sense a particular near infrared wavelength spectrum of light and a red photoelectric conversion device configured to sense a particular red wavelength spectrum of light.Type: GrantFiled: January 24, 2019Date of Patent: September 6, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Chui Joon Heo, Kyung Bae Park, Dongseon Lee, Moon Gyu Han, Takkyun Ro, Youn Hee Lim, Yong Wan Jin, Kiyohiko Tsutsumi
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Patent number: 11387278Abstract: An electronic device includes a plurality of pixel electrodes, an active layer on the plurality of pixel electrodes, an opposed electrode on the active layer and covering an entirety of an upper surface of the active layer, and a first encapsulation film on the opposed electrode wherein the opposed electrode and the first encapsulation film have a common planar shapes.Type: GrantFiled: November 28, 2017Date of Patent: July 12, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Chui Joon Heo, Ryuichi Satoh, Kyung Bae Park, Yeon-Hee Kim, Takkyun Ro, Takao Motoyama, Se Hyuck Park
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Publication number: 20200364431Abstract: A fingerprint sensor may include first and second electrodes, a light absorption layer isolated from direct contact with the first and second electrodes, and an insulation layer between the first electrode and the light absorption layer and further between the second electrode and the light absorption layer. A reflective layer may be between the light absorption layer and the first electrode. The insulation layer may include a first insulation layer between the first electrode and the light absorption layer, and a second insulation layer between the second electrode and the light absorption layer. A fingerprint sensor array including a plurality of fingerprint sensors may at least partially expose a plurality of sub-pixels of a display panel on which the fingerprint sensor array is located.Type: ApplicationFiled: December 30, 2019Publication date: November 19, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Gae Hwang LEE, Kyung Bae PARK, Sung Jun PARK, Sung Young YUN, Yong Wan JIN, Chui Joon HEO