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).

  • ELECTRONIC DEVICE
    Publication number: 20170094198
    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: June 16, 2016
    Publication date: March 30, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Gae Hwang LEE, Dong-Seok LEEM, Yong Wan JIN
  • COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE AND IMAGE SENSOR INCLUDING THE SAME
    Publication number: 20170092868
    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 including the compound represented by Chemical Formula 1 between the first electrode and the second electrode.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: TADAO YAGI, Rie SAKURAI, Hyesung CHOI, Tatsuya IMASE, Hiromasa SHIBUYA, Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Seon-Jeong LIM, Xavier BULLIARD, Yong Wan JIN, Yeong Suk CHOI, Moon Gyu HAN
  • Organic photoelectric devices, image sensors, and electronic devices
    Patent number: 9608212
    Abstract: Organic photoelectric devices, image sensors, and electronic device, include 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 a p-type semiconductor compound including a squaraine derivative and an n-type semiconductor compound represented by Chemical Formula 1.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Satoko Ishibe, Moon Gyu Han, Dong-Seok Leem, Kwang Hee Lee, Yong Wan Jin, Yeong Suk Choi
  • ORGANIC PHOTOELECTRIC DEVICE AND IMAGE SENSOR
    Publication number: 20170069690
    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: Application
    Filed: September 2, 2016
    Publication date: March 9, 2017
    Applicant: 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
  • ORGANIC PHOTOELECTRIC DEVICE AND IMAGE SENSOR
    Publication number: 20170062747
    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: Application
    Filed: May 10, 2016
    Publication date: March 2, 2017
    Inventors: Dong-Seok LEEM, Sung Young YUN, Kwang Hee LEE, Sean-Jeong LIM, Yong Wan JIN
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20170040544
    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: Application
    Filed: October 17, 2016
    Publication date: February 9, 2017
    Applicant: 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
  • Organic photoelectronic device and image sensor
    Patent number: 9548463
    Abstract: Example embodiments relate to an organic photoelectronic device including 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 a first compound represented by the following Chemical Formula 1, and an image sensor including the organic photoelectronic device.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tadao Yagi, Rie Sakurai, Kyung-bae Park, Sung Young Yun, Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Xavier Bulliard, Chul Joon Heo, Yong Wan Jin
  • Image sensor and electronic device including the same
    Patent number: 9548337
    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 a single nanopattern of the plurality of nanopatterns corresponds to a single photo-sensing device in the plurality of photo-sensing devices.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Yong Wan Jin
  • Organic photoelectronic device including a PN junction and image sensor
    Patent number: 9543361
    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 heterojunction of a p-type semiconductor and an n-type semiconductor, the p-type semiconductor including a compound represented by Chemical Formula 1.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Leem, Kwang Hee Lee, Sung Young Yun, Gae Hwang Lee, Xavier Bulliard, Yong Wan Jin
  • Organic photoelectric device and image sensor
    Patent number: 9520571
    Abstract: An organic photoelectric device may include 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 compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2. An image sensor may include the organic photoelectric device.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Hee Lee, Kyu Sik Kim, Kyung Bae Park, Dong-Seok Leem, Seon-Jeong Lim
  • Organic photoelectronic device and image sensor
    Patent number: 9502473
    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.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: November 22, 2016
    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
  • Organic photoelectronic device and image sensor
    Patent number: 9490442
    Abstract: An organic photoelectronic device includes an anode and a cathode facing each other, and an organic layer between the anode and the cathode, the organic layer including a compound represented by Chemical Formula 1 as a visible light-absorbing body, and at least one of a hole buffer material having an energy bandgap of greater than or equal to about 2.8 eV and a HOMO level between a work function of the anode and a HOMO level of the compound represented by the Chemical Formula 1, and an electron buffer material having an energy bandgap of greater than or equal to about 2.8 eV and a LUMO level between a work function of the cathode and a LUMO level of the compound represented by the Chemical Formula 1.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Leem, Kwang Hee Lee, Gae Hwang Lee, Yong Wan Jin
  • ORGANIC PHOTOELECTRIC DEVICE IMAGE SENSOR AND ELECTRONIC DEVICE
    Publication number: 20160301013
    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, the active layer including an n-type semiconductor compound represented by Chemical Formula 1 and a p-type semiconductor compound having selective light absorption in a green wavelength region of about 500 nm to about 600 nm.
    Type: Application
    Filed: January 27, 2016
    Publication date: October 13, 2016
    Inventors: SAKURAI RIE, Yong Wan Jin, Sung Young Yun, Gae Hwang Lee, Kwang Hee Lee, Dong-Seok Leem, Bulliard Xavier, Tadao Yagi
  • Image sensor and electronic device including the same
    Patent number: 9455302
    Abstract: Example embodiments relate to an image sensor that includes a semiconductor substrate integrated with at least one photo-sensing device, an impurity-doped first light-transmitting electrode present in the semiconductor substrate, an organic photoelectric conversion layer positioned on one side of the semiconductor substrate and absorbing light in a different wavelength from the wavelength sensed by the photo-sensing device, and a second light-transmitting electrode positioned on one side of the organic photoelectric conversion layer, and an electronic device including the same.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: September 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-hee Lee, Kyung Bae Park, Gae Hwang Lee, Dong-Seok Leem, Yong Wan Jin
  • IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160247852
    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: May 2, 2016
    Publication date: August 25, 2016
    Inventors: Yong Wan JIN, Kyu Sik KIM, Kyung Bae PARK, Kwang Hee LEE, Dong-Seok LEEM, Deukseok CHUNG
  • ORGANIC PHOTOELECTRIC DEVICES, IMAGE SENSORS, AND ELECTRONIC DEVICES
    Publication number: 20160225826
    Abstract: Organic photoelectric devices, image sensors, and electronic device, include 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 a p-type semiconductor compound including a squaraine derivative and an n-type semiconductor compound represented by Chemical Formula 1.
    Type: Application
    Filed: July 14, 2015
    Publication date: August 4, 2016
    Inventors: Satoko ISHIBE, Moon Gyu HAN, Dong-Seok LEEM, Kwang Hee LEE, Yong Wan JIN, Yeong Suk CHOI
  • Light transmissive electrode, organic photoelectric device, and image sensor
    Patent number: 9379343
    Abstract: According to example embodiments, a transmissive electrode may include a light transmission layer. The light transmission layer may include a metal and a metal oxide that is included in a smaller amount than the metal. According to example embodiments, an organic photoelectric device, as well as an image sensor, may include the transmissive electrode.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: June 28, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Seok Leem, Kyu Sik Kim, Jung Woo Kim, Kyung Bae Park, Kwang Hee Lee, Seon Jeong Lim
  • COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE IMAGE SENSOR, AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160181547
    Abstract: A compound 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 and including the compound represented by Chemical Formula 1, and an image sensor and an electronic device include the organic photoelectric device.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Inventors: Moon Gyu HAN, Sakurai RIE, Sung Young YUN, Seon-Jeong LIM, Takkyun RO, Gae Hwang LEE, Tadao YAGI, Kyung Bae PARK, Dong-Seok LEEM, Yong Wan JIN, Chul-Joon HEO
  • Organic photoelectric device and image sensor including the same
    Patent number: 9368727
    Abstract: An organic photoelectric device may include an anode and a cathode facing each other and the active layer between the anode and cathode, wherein the active layer includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2. Chemical Formula 1 and Chemical Formula 2 are the same as in the detailed description.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: June 14, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon Jeong Lim, Dong Seok Leem, Kyu Sik Kim, Kyung Bae Park, Kwang Hee Lee
  • Image sensor and electronic device including the same
    Patent number: 9362327
    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: December 4, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Wan Jin, Kyu Sik Kim, Kyung Bae Park, Kwang Hee Lee, Dong-Seok Leem, Deukseok Chung