Patents by Inventor Chul-joon HEO

Chul-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).

  • Publication number: 20200407384
    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, the definition of each substituent is as described in the detailed description.
    Type: Application
    Filed: June 24, 2020
    Publication date: December 31, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul BAIK, Taejin CHOI, Ji Soo SHIN, Sung Young YUN, Kyung Bae PARK, Gae Hwang LEE, Yeong Suk CHOI, Chul Joon HEO
  • Publication number: 20200390373
    Abstract: 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: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Takkyun RO, Kwang Hee LEE, Dongseon LEE, Yong Wan JIN, Moon Gyu HAN
  • Publication number: 20200395564
    Abstract: An organic sensor includes a first electrode, a second electrode, an organic active layer between the first electrode and the second electrode, and a protective layer between the organic active layer and the second electrode. Capacitance provided of the first electrode, the protective layer, and the second electrode is less than or equal to about 2×10?10 F.
    Type: Application
    Filed: November 25, 2019
    Publication date: December 17, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young YUN, Sung Jun PARK, Chul Joon HEO, Kyung Bae PARK, Gae Hwang LEE, Yong Wan JIN
  • Patent number: 10854832
    Abstract: A photoelectric device includes a first electrode and a second electrode facing each other and a photoelectric conversion layer between the first electrode and the second electrode and configured to convert light in a particular wavelength spectrum of light of a visible wavelength spectrum of light into an electric signal. The photoelectric conversion layer may include a p-type semiconductor configured to selectively absorb light in a first wavelength spectrum and an n-type semiconductor having a peak absorption wavelength in a second wavelength spectrum of greater than or equal to about 750 nm, an image sensor. The photoelectric conversion layer may include a first semiconductor of an absorption spectrum of a first peak absorption wavelength, and a second semiconductor of an absorption spectrum of a second peak absorption wavelength that is longer than the first peak absorption wavelength by at least about 100 nm.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Chul Joon Heo, Moon Gyu Han, Yong Wan Jin
  • Publication number: 20200365661
    Abstract: 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: Application
    Filed: March 11, 2020
    Publication date: November 19, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Sung Jun PARK, Sung Young YUN, Gae Hwang LEE, Chul BAIK, Ji Soo SHIN, Yong Wan JIN, Hye Rim HONG
  • Publication number: 20200350500
    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: Application
    Filed: April 20, 2020
    Publication date: November 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Taejin CHOI, Chul BAIK, Ji Soo SHIN, Sung Young YUN, Kyung Bae PARK, Gae Hwang LEE, Yeong Suk CHOI, Chul Joon HEO
  • Patent number: 10804327
    Abstract: Disclosed are an organic photoelectric device including a first electrode and a second electrode facing each other and a photoelectric conversion layer disposed between the first electrode and the second electrode and selectively absorbing light in a green wavelength region, wherein the photoelectric conversion layer includes a first and second photoelectric conversion materials, a light-absorption full width at half maximum (FWHM) in a green wavelength region of the first photoelectric conversion material is narrower than the light-absorption FWHM in a green wavelength region of the second photoelectric conversion material, and the first and second photoelectric conversion materials satisfy Relationship Equation 1, and an image sensor and an electronic device including the same. Tm2(° C.)?Ts2(10)(° C.)?Tm1(° C.)?Ts1(10)(° C.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kiyohiko Tsutsumi, Kyung Bae Park, Takkyun Ro, Chul Joon Heo, Yong Wan Jin
  • Publication number: 20200319741
    Abstract: An electronic device may include an edge touch screen including a main display region and an edge display region extending from the main display region each including one or more of red pixels, near infrared ray pixels, and sensor pixels for detecting light with different wavelengths; and a controller configured to, drive the edge touch screen in response to a touch input for the edge display region being maintained for a set time by instructing at least one selected red pixel of the red pixels and at least one selected near infrared ray pixel of the near infrared ray pixels corresponding to a position of the touch input to emit light, and measure biometrics based on light amounts of light of different wavelengths received from at least one selected sensor pixel of the sensor pixels corresponding to the position of the touch input.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Yong Wan JIN
  • Publication number: 20200308167
    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: Application
    Filed: March 31, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yeong Suk CHOI, Ji Soo SHIN, Chul BAIK, Sung Young YUN, Taejin CHOI, Hye Rim HONG, Kyung Bae PARK, Gae Hwang LEE, Chul Joon HEO
  • Patent number: 10786186
    Abstract: 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: Grant
    Filed: June 29, 2017
    Date of Patent: September 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon Heo, Kyung Bae Park, Takkyun Ro, Kwang Hee Lee, Dongseon Lee, Yong Wan Jin, Moon Gyu Han
  • Publication number: 20200284568
    Abstract: 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: Application
    Filed: May 15, 2020
    Publication date: September 10, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Sung Jun PARK, Hiromasa SHIBUYA, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN, Chul Joon HEO
  • Patent number: 10712851
    Abstract: An electronic device may include an edge touch screen including a main display region and an edge display region extending from the main display region each including one or more of red pixels, near infrared ray pixels, and sensor pixels for detecting light with different wavelengths; and a controller configured to, drive the edge touch screen in response to a touch input for the edge display region being maintained for a set time by instructing at least one selected red pixel of the red pixels and at least one selected near infrared ray pixel of the near infrared ray pixels corresponding to a position of the touch input to emit light, and measure biometrics based on light amounts of light of different wavelengths received from at least one selected sensor pixel of the sensor pixels corresponding to the position of the touch input.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon Heo, Kyung Bae Park, Yong Wan Jin
  • Patent number: 10686149
    Abstract: An optoelectronic diode may include a first electrode, a second electrode, a third electrode, a first active layer between the first and second electrodes, and a second active layer between the second and third electrodes. Two of the electrodes may be electrically connected to each other and may have different resistances. The first and second active layers may be isolated from each other. The first active layer, the first electrode, and the second electrode may form a diode, and the second active layer, the second electrode, and the third electrode may form a diode. The second electrode may have a refractive index different from a refractive index of the second active layer.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Gae Hwang Lee, Takkyun Ro, Yong Wan Jin, Chul Joon Heo
  • Publication number: 20200152898
    Abstract: 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: Application
    Filed: July 23, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Hyun Bum KANG, Sung Jun PARK, Jeong II 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
  • Publication number: 20200152703
    Abstract: 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: Application
    Filed: July 29, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Chul Joon HEO, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN
  • Publication number: 20200145631
    Abstract: In a signal processing apparatus, a photoelectric conversion member includes a first photoelectric conversion layer configured to photoelectrically convert at least one of blue light or red light, and a second photoelectric conversion layer on an incident light surface of the first photoelectric conversion layer and configured to photoelectrically convert green light. An interpolation circuit is configured to interpolate at least one of a blue light signal or a red light signal obtained by photoelectric conversion in the first photoelectric conversion layer L1, using a green light signal obtained by photoelectric conversion in the second photoelectric conversion layer L2. An absorption correction circuit is configured to perform absorption correction on the green light signal, using at least one of the blue light signal or the red light signal that are interpolated by the interpolation circuit.
    Type: Application
    Filed: November 6, 2019
    Publication date: May 7, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Mineki TAOKA, Takashi OKAZAKI, Chul Joon HEO, Gae Hwang LEE, Kyung Bae PARK, Yong Wan Jin
  • Publication number: 20200135945
    Abstract: A photoelectric conversion device may include one or more pixel electrodes and an opposed electrode and a photoelectric conversion layer between the one or more pixel electrodes and the opposed electrode. The photoelectric conversion layer may be configured to absorb light of at least one part in a wavelength spectrum and to convert the absorbed light into an electrical signal. Each pixel electrode has an upper surface facing the photoelectric conversion layer, a side surface, and a non-angulated edge where the upper surface and the side surface meet.
    Type: Application
    Filed: July 16, 2019
    Publication date: April 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young YUN, Kyung Bae PARK, Sung Jun PARK, Gae Hwang LEE, Yong Wan JIN, Chul Joon HEO
  • Publication number: 20200127232
    Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other, and first and second photoelectronic conversion layers between the first electrode and the second electrode. The first and second photoelectronic conversion layers include a p-type semiconductor and an n-type semiconductor. The first photoelectronic conversion layer has a first composition ratio (p1/n1) of the p-type semiconductor relative to the n-type semiconductor, the second photoelectronic conversion layer has a second composition ratio (p2/n2) of the p-type semiconductor relative to the n-type semiconductor, and the first composition ratio (p1/n1) is greater than the second composition ratio (p2/n2).
    Type: Application
    Filed: December 5, 2019
    Publication date: April 23, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Sung-Young YUN, Tadao YAGI, Takkyun RO, Gae Hwang LEE, Kwang Hee LEE, Yong Wan JIN
  • Publication number: 20200111851
    Abstract: 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: Application
    Filed: October 2, 2019
    Publication date: April 9, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN, Chul Joon HEO
  • Patent number: 10615354
    Abstract: An organic photoelectronic device may include a photoelectronic conversion layer between a first electrode and a second electrode and a buffer layer on the photoelectronic conversion layer. The photoelectronic conversion layer may be between a first electrode and a second electrode, and the buffer layer may be between the first electrode and the photoelectronic conversion layer. The photoelectronic conversion layer may include at least a first light absorbing material and a second light absorbing material configured to provide a p-n junction. The buffer layer may include the first light absorbing material and a non-absorbing material associated with a visible wavelength spectrum of light. The non-absorbing material may have a HOMO energy level of about 5.4 eV to about 5.8 eV. The non-absorbing material may have an energy bandgap of greater than or equal to about 2.8 eV.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Takkyun Ro, Kyung Bae Park, Ryuichi Satoh, Yong Wan Jin, Chul Joon Heo