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: 20190363269
    Abstract: An IR organic photoelectric device having a simplified device structure may include an anode and a cathode facing each other and an infrared absorption and hole transport composite monolayer between the anode and the cathode. An organic image sensor including the IR organic photoelectric device may include an absorption layer between the infrared absorption and hole transport composite monolayer and the cathode.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 28, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok LEEM, Gae Hwang Lee, Sung Young Yun, Kwang Hee Lee, Yong Wan Jin
  • Publication number: 20190349555
    Abstract: An image sensor may include a photoelectric device configured to selectively absorb light associated with a first color of three primary colors, a semiconductor substrate stacked with the photoelectric device and including first and second photo-sensing devices configured to sense light associated with second and third colors of the three primary colors, respectively, a first color filter corresponding to the first photo-sensing device and configured to selectively transmit light of the first wavelength spectrum, a second color filter corresponding to the second photo-sensing device and configured to selectively transmit light associated with a mixed color of the first color and the third color, and a first insulating layer between the photoelectric device and the semiconductor substrate and corresponding to the second photo-sensing device, and configured to selectively reflect light of a part of visible light.
    Type: Application
    Filed: November 6, 2018
    Publication date: November 14, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Kwang Hee LEE, Kyung Bae PARK, Sung Young YUN, Dong-Seok LEEM, Yong Wan JIN
  • Patent number: 10457694
    Abstract: A compound may be represented by Chemical Formula 1, an organic photoelectronic device may include a first electrode and a second electrode facing each other with an active layer that includes the compound represented by Chemical Formula 1 between the first electrode and the second electrode, and an image sensor may include the organic photoelectronic device.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 29, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon Gyu Han, Seon-Jeong Lim, Takkyun Ro, Kwang Hee Lee, Dong-Seok Leem, Yong Wan Jin, Kyung Bae Park, Sung Young Yun, Gae Hwang Lee, Chul Joon Heo
  • Publication number: 20190327428
    Abstract: An electronic device includes a lens, an optical filter asymmetric to an optical axis of the lens, and an image sensor including a visible light image sensor and a non-visible light image sensor. The optical filter has an opening and is configured to transmit visible light and block at least one type of non-visible light. The visible light image sensor is configured to sense the visible light and the non-visible light image sensor is configured to sense the at least one type of non-visible light.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young YUN, Gae Hwang LEE, Dong-Seok LEEM, Yong Wan JIN
  • Publication number: 20190319062
    Abstract: An image sensor may include a photoelectric device configured to selectively absorb light associated with a first color of three primary colors, a semiconductor substrate that is stacked with the photoelectric device and includes first and second photo-sensing devices configured to sense light associated with second and third colors of three primary colors. The first and second photo-sensing devices may have different thicknesses, different depths from a surface of the semiconductor substrate, or different thicknesses and different depths from the surface of the semiconductor substrate. At least one part of a thickness area of the first photo-sensing device may overlap at least one part of a thickness area of the second photo-sensing device in a parallel direction extending substantially parallel to the surface of the semiconductor substrate.
    Type: Application
    Filed: November 20, 2018
    Publication date: October 17, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee LEE, Gae Hwang LEE, Sung Young YUN, Dong-Seok LEEM, Yong Wan JIN
  • Patent number: 10403837
    Abstract: An organic photoelectronic device includes an anode and a cathode facing each other, a light-absorption layer between the anode and the cathode, and a first auxiliary layer between the cathode and the light-absorption layer, the first auxiliary layer having an energy bandgap of about 3.0 eV to about 4.5 eV, and a difference between a work function of the cathode and a highest occupied molecular orbital (HOMO) energy level of the first auxiliary layer is about 1.5 eV to about 2.0 eV.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Leem, Sung Young Yun, Kwang Hee Lee, Seon-Jeong Lim, Yong Wan Jin
  • Patent number: 10381413
    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 at least one first photoelectric conversion material having a peak absorption wavelength (?max1) of less than about 540 nm and a at least one second photoelectric conversion material having a peak absorption wavelength (?max2) of greater than or equal to about 540 nm, and an image sensor, and an electronic device.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Yong Wan Jin
  • Patent number: 10381412
    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: Grant
    Filed: October 26, 2016
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Leem, Seon-Jeong Lim, Kwang Hee Lee, Xavier Bulliard, Yong Wan Jin, Tadao Yagi
  • Publication number: 20190245008
    Abstract: An image sensor may include a photodiode within a semiconductor substrate and configured to sense light in an infrared wavelength spectrum of light, a photoelectric conversion device on the semiconductor substrate and configured to sense light in a visible wavelength spectrum of light, and a filtering element configured to selectively transmit at least a portion of the infrared wavelength spectrum of light and the visible wavelength spectrum of light. The filtering element may include a plurality of color filters on the photoelectric conversion device. The photoelectric conversion device may include a pair of electrodes facing each other and a photoelectric conversion layer between the pair of electrodes and configured to selectively absorb light in a visible wavelength spectrum of light. The filtering element may be between the semiconductor substrate and the photoelectric conversion device and may selectively absorb the infrared light and selectively transmit the visible light.
    Type: Application
    Filed: October 23, 2018
    Publication date: August 8, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Dong-Seok LEEM, Kwang Hee LEE, Sung Young YUN, Yong Wan JIN
  • Publication number: 20190245009
    Abstract: An organic image sensor may be configured to obtain a color signal associated with a particular wavelength spectrum of light absorbed by the organic image sensor may omit a color filter. The organic image sensor may include an organic photoelectric conversion layer including a first material and a second material. The first material may absorb a first wavelength spectrum of light, and the second material may absorb a second wavelength spectrum of light. The organic photoelectric conversion layer may include stacked upper and lower layers, and the respective material compositions of the lower and upper layers may be first and second mixtures of the first and second materials. A ratio of the first material to the second material in the first mixture may be greater than 1/1, and a ratio of the first material to the second material in the second mixture may be less than 1/1.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 8, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Kwang Hee LEE, Sung Young YUN, Dong-Seok LEEM, Yong Wan JIN
  • Publication number: 20190207119
    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 11, 2019
    Publication date: July 4, 2019
    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
  • Patent number: 10341585
    Abstract: An electronic device includes a lens, an optical filter asymmetric to an optical axis of the lens, and an image sensor including a visible light image sensor and a non-visible light image sensor. The optical filter has an opening and is configured to transmit visible light and block at least one type of non-visible light. The visible light image sensor is configured to sense the visible light and the non-visible light image sensor is configured to sense the at least one type of non-visible light.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: July 2, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Gae Hwang Lee, Dong-Seok Leem, Yong Wan Jin
  • Patent number: 10326083
    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: Grant
    Filed: May 10, 2017
    Date of Patent: June 18, 2019
    Assignee: 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
  • Publication number: 20190131541
    Abstract: A compound of Chemical Formula 1, and a 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: October 31, 2018
    Publication date: May 2, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Taejin Choi, Sang Mo Kim, Sung Young Yun, Youn Hee Lim, Katsunori Shibata, Hiromasa Shibuya, Gae Hwang Lee, Norihito Ishii, Dong-Seok Leem, Yong Wan Jin, Yeong Suk Choi, Jong Won Choi, Hyesung Choi
  • Patent number: 10276802
    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: Grant
    Filed: March 17, 2017
    Date of Patent: April 30, 2019
    Assignee: 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: 20190120689
    Abstract: A combination sensor may include a first infrared light sensor and a second infrared light sensor. The first infrared light sensor may be configured to sense light in a first wavelength within an infrared wavelength spectrum. The second infrared light sensor may be configured to sense light in a second wavelength that is different from the first wavelength within the infrared wavelength spectrum. The first infrared light sensor and the second infrared light sensor may be stacked in relation to each other.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok LEEM, Gae Hwang LEE, Yong Wan JIN, Tae Yon LEE
  • Patent number: 10263042
    Abstract: 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, wherein the active layer includes an n-type semiconductor compound that is transparent in a visible ray region and represented by Chemical Formula 1, and a p-type semiconductor compound having a maximum absorption wavelength in a wavelength region of about 500 nm to about 600 nm of a visible ray region.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: April 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Rie Sakurai, Hiromasa Shibuya, Tadao Yagi, Kwang Hee Lee, Takkyun Ro, Sung Young Yun, Gae Hwang Lee, Dong-Seok Leem, Seon-Jeong Lim, Xavier Bulliard, Yong Wan Jin, Yeong Suk Choi, Hye Sung Choi
  • Patent number: 10256414
    Abstract: Disclosed are an organic photoelectronic device including a first electrode and a second electrode facing each other and an active layer interposed between the first electrode and the second electrode, wherein the active layer includes a p-type semiconductor compound represented by the formula C22R1—R12O2N2 and an n-type semiconductor compound having a maximum absorption peak at a wavelength region of about 500 nm to about 600 nm, and an image sensor including the organic photoelectronic device.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: April 9, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-Jeong Lim, Kyung Bae Park, Dong-Seok Leem, Moon Gyu Han, Kyu Sik Kim, Takkyun Ro, Kwang Hee Lee, Yong Wan Jin, Chul Joon Heo
  • Patent number: 10236449
    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 7, 2017
    Date of Patent: March 19, 2019
    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: 20190074327
    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 at least one first photoelectric conversion material having a peak absorption wavelength (?max1) of less than about 540 nm and a at least one second photoelectric conversion material having a peak absorption wavelength (?max2) of greater than or equal to about 540 nm, and an image sensor, and an electronic device.
    Type: Application
    Filed: March 7, 2018
    Publication date: March 7, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN