Patents by Inventor Dong-seok Leem

Dong-seok Leem 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: 20170346016
    Abstract: A compound is represented by Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device include the compound. In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: May 31, 2017
    Publication date: November 30, 2017
    Applicant: Samsung Electronics Co .. Ltd.
    Inventors: Xavier BULLIARD, Tadao YAGI, Rie SAKURAI, Hiromasa SHIBUYA, Kwang Hee LEE, Dong-Seok LEEM, Hyesung CHOI
  • Patent number: 9831436
    Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other, and an active layer between the first electrode and the second electrode, the active layer including a first compound having a maximum absorption wavelength of about 500 nm to about 600 nm in a visible ray region and a transparent second compound in a visible ray region. The transparent second compound has an absorption coefficient in a thin film state of less than or equal to about 0.1×105 cm?1 in a wavelength region of about 450 nm to about 700 nm.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee Lee, Gae Hwang Lee, Dong-Seok Leem, Tadao Yagi, Xavier Bulliard, Yong Wan Jin, Kyung Bae Park, Sungdong Suh
  • Publication number: 20170338271
    Abstract: An image sensor includes a semiconductor substrate integrated with at least one first photo-sensing device configured to sense light in a blue wavelength region and at least one second photo-sensing device configured to sense light in a red wavelength region, a color filter layer on the semiconductor substrate and including a blue color filter configured to selectively absorb light in a blue wavelength region and a red color filter configured to selectively absorb light in a red wavelength region, and a third photo-sensing device on the color filter layer and including a pair of electrodes facing each other, and a photoactive layer between the pair of electrodes and configured to selectively absorb light in a green wavelength region.
    Type: Application
    Filed: August 10, 2017
    Publication date: November 23, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yong Wan JIN, Kyu Sik KIM, Kyung Bae PARK, Kwang Hee LEE, Dong-Seok LEEM, Deukseok CHUNG
  • Publication number: 20170330911
    Abstract: An electronic device may include at least one image sensor that includes a plurality of photo-sensing devices, a photoelectric device on one side of the semiconductor substrate and configured to selectively sense first visible light, and a plurality of color filters on separate photo-sensing devices. The plurality of color filters may include a first color filter configured to selectively transmit a second visible light that is different from the first visible light and a second color filter transmitting first mixed light including the second visible light. The electronic device may include multiple arrays of color filters. The electronic device may include different photoelectric devices on the separate arrays of color filters. The different photoelectric devices may be configured to sense different wavelength spectra of light.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 16, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee LEE, Gae Hwang LEE, Sung Young YUN, Dong-Seok LEEM, Xavier BULLIARD, Yong Wan JIN
  • Publication number: 20170331050
    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: May 10, 2017
    Publication date: November 16, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tadao YAGI, Xavier BULLIARD, Hyesung CHOI, Rie SAKURAI, Hiromasa SHIBUYA, Youn Hee LIM, Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM
  • Patent number: 9818956
    Abstract: A compound for an organic photoelectric device is represented by Chemical Formula 1. An organic photoelectric device includes a first electrode and a second electrode facing each other and an active layer between the first electrode and the second electrode, the active layer including the compound represented by Chemical Formula 1.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: November 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Takkyun Ro, Seon-Jeong Lim, Kyung Bae Park, Sung Young Yun, Gae Hwang Lee, Dong-Seok Leem, Yong Wan Jin, Yagi Tadao, Moon Gyu Han, Chuljoon Heo
  • Publication number: 20170294589
    Abstract: Example embodiments provide a compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same.
    Type: Application
    Filed: March 17, 2017
    Publication date: October 12, 2017
    Applicant: Samsung Electronics Co. , Ltd.
    Inventors: Hiromasa SHIBUYA, Tatsuya IMASE, Rie SAKURAI, Xavier BULLIARD, Hyesung CHOI, Tadao YAGI, Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yeong Suk CHOI
  • Publication number: 20170287971
    Abstract: An image sensor includes a semiconductor substrate and a photoelectric conversion device on the semiconductor substrate and including a plurality of pixel electrodes, a light absorption layer, and a common electrode. The plurality of pixel electrodes may include a first pixel electrode and a second pixel electrode. The photoelectric conversion device may include a first photoelectric conversion region defined in an overlapping region with the first pixel electrode, the light absorption layer, and the common electrode, and a second photoelectric conversion region defined in an overlapping region with the second pixel electrode, the light absorption layer, and the common electrode. Sensitivity of the first photoelectric conversion region may be higher than sensitivity of the second photoelectric conversion region. An electronic device may include the image sensor.
    Type: Application
    Filed: October 3, 2016
    Publication date: October 5, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Kwang Hee LEE, Kyu Sik Kim, Sung Young YUN, Dong-Seok LEEM, Yong Wan JIN
  • Patent number: 9761627
    Abstract: An image sensor includes a semiconductor substrate integrated with at least one first photo-sensing device configured to sense light in a blue wavelength region and at least one second photo-sensing device configured to sense light in a red wavelength region, a color filter layer on the semiconductor substrate and including a blue color filter configured to selectively absorb light in a blue wavelength region and a red color filter configured to selectively absorb light in a red wavelength region, and a third photo-sensing device on the color filter layer and including a pair of electrodes facing each other, and a photoactive layer between the pair of electrodes and configured to selectively absorb light in a green wavelength region.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: September 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Wan Jin, Kyu Sik Kim, Kyung Bae Park, Kwang Hee Lee, Dong-Seok Leem, Deukseok Chung
  • Publication number: 20170250227
    Abstract: Example embodiments relate to an organic photoelectronic device that includes a first electrode, a light-absorption layer on the first electrode and including a first p-type light-absorption material and a first n-type light-absorption material, a light-absorption auxiliary layer on the light-absorption layer and including a second p-type light-absorption material or a second n-type light-absorption material that have a smaller full width at half maximum (FWHM) than the FWHM of the light absorption layer, a charge auxiliary layer on the light-absorption auxiliary layer, and a second electrode on the charge auxiliary layer, and an image sensor including the same.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Satoh RYUICHI, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN, Tadao YAGI, Chul Joon HEO
  • Patent number: 9748295
    Abstract: An electronic device may include at least one image sensor that includes a plurality of photo-sensing devices, a photoelectric device on one side of the semiconductor substrate and configured to selectively sense first visible light, and a plurality of color filters on separate photo-sensing devices. The plurality of color filters may include a first color filter configured to selectively transmit a second visible light that is different from the first visible light and a second color filter transmitting first mixed light including the second visible light. The electronic device may include multiple arrays of color filters. The electronic device may include different photoelectric devices on the separate arrays of color filters. The different photoelectric devices may be configured to sense different wavelength spectra of light.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Hee Lee, Gae Hwang Lee, Sung Young Yun, Dong-Seok Leem, Xavier Bulliard, Yong Wan Jin
  • Publication number: 20170213973
    Abstract: An organic 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, wherein the photoelectric conversion layer includes a p-type semiconductor compound and an n-type semiconductor compound, and the organic photoelectric device satisfies Equation 1, and has external quantum efficiency (EQE) of greater than or equal to about 40% at ?3 V.
    Type: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN, Tadao YAGI
  • Patent number: 9716120
    Abstract: An image sensor includes a semiconductor substrate integrated with at least one of a first photo-sensing device that may sense a first wavelength spectrum of visible light and a second photo-sensing device that may sense second wavelength spectrum of visible light, and a third photo-sensing device on the semiconductor substrate that may selectively sense third wavelength spectrum of visible light in a longer wavelength spectrum of visible light than the first wavelength spectrum of visible light and the second wavelength spectrum of visible light. The first photo-sensing device and the second photo-sensing device may overlap with each other in a thickness direction of the semiconductor substrate.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: July 25, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Wan Jin, Kwang Hee Lee, Gae Hwang Lee, Kyung Bae Park, Dong-Seok Leem, Yeong Suk Choi
  • Patent number: 9673259
    Abstract: Example embodiments relate to an organic photoelectronic device that includes a first electrode, a light-absorption layer on the first electrode and including a first p-type light-absorption material and a first n-type light-absorption material, a light-absorption auxiliary layer on the light-absorption layer and including a second p-type light-absorption material or a second n-type light-absorption material that have a smaller full width at half maximum (FWHM) than the FWHM of the light absorption layer, a charge auxiliary layer on the light-absorption auxiliary layer, and a second electrode on the charge auxiliary layer, and an image sensor including the same.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Satoh Ryuichi, Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Yong Wan Jin, Tadao Yagi, Chul Joon Heo
  • Publication number: 20170154929
    Abstract: An organic photoelectronic device includes a first electrode and a second electrode facing each other, photoelectronic conversion layer between the first electrode and the second electrode and including a first material and a second material providing a p-n junction and an interlayer being adjacent to the first electrode between the first electrode and the photoelectronic conversion layer and including a third material, wherein the first material and the third material are an organic material having each energy bandgap of about 1.7 eV to about 2.3 eV, and an image sensor including the same is provided.
    Type: Application
    Filed: October 26, 2016
    Publication date: June 1, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok LEEM, Seon-Jeong Lim, Kwang Hee Lee, Xavier Bulliard, Yong Wan Jin, Tadao Yagi
  • Patent number: 9666810
    Abstract: An organic 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, wherein the photoelectric conversion layer includes a p-type semiconductor compound and an n-type semiconductor compound, and the organic photoelectric device satisfies Equation 1, and has external quantum efficiency (EQE) of greater than or equal to about 40% at ?3 V.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Yong Wan Jin, Tadao Yagi
  • Publication number: 20170148994
    Abstract: A compound for an organic photoelectric device is represented by Chemical Formula 1, and an organic photoelectric device, an image sensor and an electronic device include the same.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 25, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: HYESUNG CHOI, Tadao Yagi, Rie Sakurai, Gae Hwang Lee, Seon-Jeong Lim, Xavier Bulliard, Sung Young Yun, Dong-Seok Leem
  • Publication number: 20170141149
    Abstract: An electronic device may include at least one image sensor that includes a plurality of photo-sensing devices, a photoelectric device on one side of the semiconductor substrate and configured to selectively sense first visible light, and a plurality of color filters on separate photo-sensing devices. The plurality of color filters may include a first color filter configured to selectively transmit a second visible light that is different from the first visible light and a second color filter transmitting first mixed light including the second visible light. The electronic device may include multiple arrays of color filters. The electronic device may include different photoelectric devices on the separate arrays of color filters. The different photoelectric devices may be configured to sense different wavelength spectra of light.
    Type: Application
    Filed: May 16, 2016
    Publication date: May 18, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee LEE, Gae Hwang Lee, Sung Young Yun, Dong-Seok Leem, Xavier Bulliard, Yong Wan Jin
  • Publication number: 20170141143
    Abstract: An image sensor includes a semiconductor substrate integrated with at least one of a first photo-sensing device that may sense a first wavelength spectrum of visible light and a second photo-sensing device that may sense second wavelength spectrum of visible light, and a third photo-sensing device on the semiconductor substrate that may selectively sense third wavelength spectrum of visible light in a longer wavelength spectrum of visible light than the first wavelength spectrum of visible light and the second wavelength spectrum of visible light. The first photo-sensing device and the second photo-sensing device may overlap with each other in a thickness direction of the semiconductor substrate.
    Type: Application
    Filed: October 3, 2016
    Publication date: May 18, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yong Wan JIN, Kwang Hee LEE, Gae Hwang LEE, Kyung Bae PARK, Dong-Seok LEEM, Yeong Suk CHOI
  • Publication number: 20170125485
    Abstract: An image sensor including a semiconductor substrate integrated with a plurality of photo-sensing devices and a nanopattern layer on the semiconductor substrate, the nanopattern layer having a plurality of nanopatterns, wherein each nanopattern of the plurality of nanopatterns correspond one to one with a single photo-sensing device of the plurality of photo-sensing devices, respectively.
    Type: Application
    Filed: December 9, 2016
    Publication date: May 4, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Kwang Hee Lee, Dong-Seok LEEM, Yong Wan JIN