Patents by Inventor Chil-Hee Chung

Chil-Hee Chung 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).

  • Patent number: 11469277
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 11, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee Chung, Sangyoon Lee, Yong Wan Jin, Kyung Bae Park, Kwang Hee Lee
  • Patent number: 11424302
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee Chung, Sangyoon Lee, Yong Wan Jin, Kyung Bae Park, Kwang Hee Lee
  • Publication number: 20200312928
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee CHUNG, Sangyoon LEE, Yong Wan JIN, Kyung Bae PARK, Kwang Hee LEE
  • Patent number: 10727285
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee Chung, Sangyoon Lee, Yong Wan Jin, Kyung Bae Park, Kwang Hee Lee
  • Patent number: 10371969
    Abstract: An electronic device includes: an anode and a cathode facing each other; a quantum dot emission layer disposed between the anode and the cathode and including a plurality of quantum dots; and a light emitting source, wherein the quantum dot emission layer is configured to receive electrical energy from the anode and the cathode and to emit light having a first wavelength, wherein the quantum dot emission layer and the light emitting source are configured so that the light emitting source provides the quantum emission layer with light having a second wavelength, and the plurality of quantum dots are excited by the light having the second wavelength and emit light having a third wavelength, wherein the anode, the cathode, or a combination thereof is a light transmitting electrode, and the light of the first wavelength and the light of the third wavelength are emitted through the light transmitting electrode.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 6, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Joo Jang, Chil Hee Chung, Tae Hyung Kim, Jihyun Min, Hyo Sook Jang, Dae Young Chung
  • Publication number: 20190013368
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack on the substrate and including an NIR emitter configured to emit NIR light and an NIR detector. The NIR light sensor stack may be between the substrate and the OLED stack. The OLED panel may be included in one or more various electronic devices.
    Type: Application
    Filed: July 5, 2018
    Publication date: January 10, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee CHUNG, Sangyoon LEE, Yong Wan JIN, Kyung Bae PARK, Kwang Hee LEE
  • Publication number: 20180039103
    Abstract: An electronic device includes: an anode and a cathode facing each other; a quantum dot emission layer disposed between the anode and the cathode and including a plurality of quantum dots; and a light emitting source, wherein the quantum dot emission layer is configured to receive electrical energy from the anode and the cathode and to emit light having a first wavelength, wherein the quantum dot emission layer and the light emitting source are configured so that the light emitting source provides the quantum emission layer with light having a second wavelength, and the plurality of quantum dots are excited by the light having the second wavelength and emit light having a third wavelength, wherein the anode, the cathode, or a combination thereof is a light transmitting electrode, and the light of the first wavelength and the light of the third wavelength are emitted through the light transmitting electrode.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 8, 2018
    Inventors: Eun Joo JANG, Chil Hee CHUNG, Tae Hyung KIM, Jihyun MIN, Hyo Sook JANG, Dae Young CHUNG
  • Patent number: 9431610
    Abstract: A phase change memory device includes a phase change memory unit and a heat sink. The phase change memory unit includes a phase change material layer pattern, a lower electrode beneath the phase change material layer pattern configured to heat the phase change material layer pattern, and an upper electrode on the phase change material layer pattern. The heat sink configured to absorb heat from the phase change memory unit. The heat sink has a top surface lower than a top surface of the upper electrode and is spaced apart from the phase change memory unit.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Jin Park, Yoon-Jong Song, Chil-Hee Chung
  • Patent number: 9384973
    Abstract: Provided are semiconductor films, methods of forming the same, transistors including the semiconductor films, and methods of manufacturing the transistors. Provided are a semiconductor film including zinc (Zn), nitrogen (N), oxygen (O), and fluorine (F), and a method of forming the semiconductor film. Provided are a semiconductor film including zinc, nitrogen, and fluorine, and a method of forming the semiconductor film. Sputtering, ion implantation, plasma treatment, chemical vapor deposition (CVD), or a solution process may be used in order to form the semiconductor films. The sputtering may be performed by using a zinc target and a reactive gas including fluorine. The reactive gas may include nitrogen and fluorine, or nitrogen, oxygen, and fluorine.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: July 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-sang Kim, Jong-baek Seon, Myung-kwan Ryu, Chil Hee Chung
  • Publication number: 20160020393
    Abstract: A phase change memory device includes a phase change memory unit and a heat sink. The phase change memory unit includes a phase change material layer pattern, a lower electrode beneath the phase change material layer pattern configured to heat the phase change material layer pattern, and an upper electrode on the phase change material layer pattern. The heat sink configured to absorb heat from the phase change memory unit. The heat sink has a top surface lower than a top surface of the upper electrode and is spaced apart from the phase change memory unit.
    Type: Application
    Filed: September 28, 2015
    Publication date: January 21, 2016
    Inventors: Tae-Jin PARK, Yoon-Jong SONG, Chil-Hee CHUNG
  • Patent number: 9025829
    Abstract: An operation method of an image sensor includes determining a distance between the image sensor and an object, and activating at least one of a color pixel, a depth pixel and a thermal pixel included in a pixel array of the image sensor based on a determined distance and a reference distance.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: May 5, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Kyu Jung, Yoon Dong Park, Tae Yon Lee, Chil Hee Chung, Young Gu Jin, Hyun Seok Lee, Seung Hyuk Chang
  • Publication number: 20150064860
    Abstract: Provided are semiconductor films, methods of forming the same, transistors including the semiconductor films, and methods of manufacturing the transistors. Provided are a semiconductor film including zinc (Zn), nitrogen (N), oxygen (O), and fluorine (F), and a method of forming the semiconductor film. Provided are a semiconductor film including zinc, nitrogen, and fluorine, and a method of forming the semiconductor film. Sputtering, ion implantation, plasma treatment, chemical vapor deposition (CVD), or a solution process may be used in order to form the semiconductor films. The sputtering may be performed by using a zinc target and a reactive gas including fluorine. The reactive gas may include nitrogen and fluorine, or nitrogen, oxygen, and fluorine.
    Type: Application
    Filed: June 2, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-sang KIM, Jong-baek SEON, Myung-kwan RYU, Chil Hee CHUNG
  • Patent number: 8895226
    Abstract: Provided are a coating composition for deep ultraviolet (DUV) filtering during an extreme ultraviolet (EUV) exposure, the coating composition including about 100 parts by weight of a solvent including a first solvent (the first solvent being an alcoholic solvent); and about 0.05 parts by weight to about 5 parts by weight of a coating polymer having a degree of absorption of about 50%/?m or greater with respect to 193-nm incident light.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Woo Kim, Hai-Sub Na, Chil-Hee Chung, Han-Ku Cho
  • Publication number: 20140205950
    Abstract: Provided are a coating composition for deep ultraviolet (DUV) filtering during an extreme ultraviolet (EUV) exposure, the coating composition including about 100 parts by weight of a solvent including a first solvent (the first solvent being an alcoholic solvent); and about 0.05 parts by weight to about 5 parts by weight of a coating polymer having a degree of absorption of about 50%/?m or greater with respect to 193-nm incident light.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: HYUN-WOO KIM, HAI-SUB NA, CHIL-HEE CHUNG, HAN-KU CHO
  • Patent number: 8715911
    Abstract: Provided are a coating composition for deep ultraviolet (DUV) filtering during an extreme ultraviolet (EUV) exposure, the coating composition including about 100 parts by weight of a solvent including a first solvent (the first solvent being an alcoholic solvent); and about 0.05 parts by weight to about 5 parts by weight of a coating polymer having a degree of absorption of about 50%/?m or greater with respect to 193-nm incident light.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: May 6, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-woo Kim, Hai-sub Na, Chil-hee Chung, Han-ku Cho
  • Publication number: 20130320290
    Abstract: A phase change memory device includes a phase change memory unit and a heat sink. The phase change memory unit includes a phase change material layer pattern, a lower electrode beneath the phase change material layer pattern configured to heat the phase change material layer pattern, and an upper electrode on the phase change material layer pattern. The heat sink configured to absorb heat from the phase change memory unit. The heat sink has a top surface lower than a top surface of the upper electrode and is spaced apart from the phase change memory unit.
    Type: Application
    Filed: January 24, 2013
    Publication date: December 5, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Jin PARK, Yoon-Jong SONG, Chil-Hee CHUNG
  • Publication number: 20120021355
    Abstract: Provided are a coating composition for deep ultraviolet (DUV) filtering during an extreme ultraviolet (EUV) exposure, the coating composition including about 100 parts by weight of a solvent including a first solvent (the first solvent being an alcoholic solvent); and about 0.05 parts by weight to about 5 parts by weight of a coating polymer having a degree of absorption of about 50%/?m or greater with respect to 193-nm incident light.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 26, 2012
    Inventors: Hyun-woo Kim, Hai-sub Na, Chil-hee Chung, Han-ku Cho
  • Patent number: 7706204
    Abstract: A memory card includes a non-volatile memory; and a power management unit for receiving an external supply voltage to supply an operating voltage to the non-volatile memory. The power management unit boosts/bypasses the external supply voltage based on whether the external supply voltage is lower than a detection voltage and then outputs the boosted/bypassed voltage as the operating voltage of the non-volatile memory.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: April 27, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Hyeok Choi, Sam-Yong Bahng, Chil-Hee Chung
  • Publication number: 20090180346
    Abstract: A memory card includes a non-volatile memory; and a power management unit for receiving an external supply voltage to supply an operating voltage to the non-volatile memory. The power management unit boosts/bypasses the external supply voltage based on whether the external supply voltage is lower than a detection voltage and then outputs the boosted/bypassed voltage as the operating voltage of the non-volatile memory.
    Type: Application
    Filed: March 18, 2009
    Publication date: July 16, 2009
    Inventors: Jin-Hyeok CHOI, Sam-Yong Bahng, Chil-Hee Chung
  • Patent number: 7518939
    Abstract: A memory card includes a non-volatile memory; and a power management unit for receiving an external supply voltage to supply an operating voltage to the non-volatile memory. The power management unit boosts/bypasses the external supply voltage based on whether the external supply voltage is lower than a detection voltage and then outputs the boosted/bypassed voltage as the operating voltage of the non-volatile memory.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: April 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Hyeok Choi, Sam-Yong Bahng, Chil-Hee Chung