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).

  • COMPOUND FOR ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE, IMAGE SENSOR, AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160126470
    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: Application
    Filed: November 3, 2015
    Publication date: May 5, 2016
    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
  • ORGANIC PHOTOELECTRIC DEVICE, AND IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160111651
    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 9, 2015
    Publication date: April 21, 2016
    Inventors: Sung Young YUN, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN, Tadao YAGI
  • IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160093675
    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: Application
    Filed: February 25, 2015
    Publication date: March 31, 2016
    Inventors: Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN
  • IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160087012
    Abstract: An image sensor includes a semiconductor substrate integrated with at least a photo-sensing device, a plurality of first electrodes disposed on the semiconductor substrate, an organic photoelectric conversion layer disposed on the first electrodes, and a second electrode disposed on the organic photoelectric conversion layer. The first electrodes include a light-transmitting electrode and a metal layer interposed between the semiconductor substrate and the light-transmitting electrode. The organic photoelectric conversion layer disposed on the first electrodes and the photo-sensing device absorb and/or sense light in different wavelength regions from each other. An electronic device including the image sensor is also provided.
    Type: Application
    Filed: March 13, 2015
    Publication date: March 24, 2016
    Inventors: Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN
  • Quinacridone derivative, and photoactive layer and photoelectric conversion device including same
    Patent number: 9287509
    Abstract: A quinacridone derivative may be represented by Chemical Formula 1, and a photoactive layer may include the same. A photoelectric conversion device may include a first electrode, a second electrode spaced apart from and configured to face the first electrode, and the photoactive layer including the quinacridone derivative between the first electrode and the second electrode.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon-Jeong Lim, Kyu Sik Kim, Kwang Hee Lee, Dong-Seok Leem, Kyung Bae Park
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20160064457
    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: Application
    Filed: March 26, 2015
    Publication date: March 3, 2016
    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
    Publication number: 20160064455
    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: Application
    Filed: March 12, 2015
    Publication date: March 3, 2016
    Inventors: Dong-Seok LEEM, Kwang Hee LEE, Sung Young YUN, Gae Hwang LEE, Xavier BULLIARD, Yong Wan JIN
  • IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20160049448
    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: Application
    Filed: December 29, 2014
    Publication date: February 18, 2016
    Inventors: Kwang-hee LEE, Kyung Bae PARK, Gae Hwang LEE, Dong-Seok LEEM, Yong Wan JIN
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR AND ELECTRONIC DEVICE
    Publication number: 20160043318
    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 and including a first compound represented by Chemical Formula 1 or 2, and a ratio between a FWHM of a light absorption curve depending on a wavelength of the first compound in a solution state and in a thin film state satisfies the following Relationship Equation 1: FWHM2/FWHM1<2.5. In the Relationship Equation 1, FWHM1 is a FWHM of the light absorption curve depending on a wavelength in a solution state, and FWHM2 is a FWHM of the light absorption curve depending on a wavelength in a thin film state.
    Type: Application
    Filed: January 9, 2015
    Publication date: February 11, 2016
    Inventors: Tadao YAGI, Sakurai RIE, Kwang Hee LEE, Dong-Seok LEEM, Xavier BULLIARD, Ryuichi SATOH, Kyung Bae PARK, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN, Chul Joon HEO
  • Organic photoelectronic device and image sensor and electronic device
    Patent number: 9252371
    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 and including a first compound represented by Chemical Formula 1 or 2, and a ratio between a FWHM of a light absorption curve depending on a wavelength of the first compound in a solution state and in a thin film state satisfies the following Relationship Equation 1: FWHM2/FWHM1<2.5. In the Relationship Equation 1, FWHM1 is a FWHM of the light absorption curve depending on a wavelength in a solution state, and FWHM2 is a FWHM of the light absorption curve depending on a wavelength in a thin film state.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: February 2, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tadao Yagi, Sakurai Rie, Kwang Hee Lee, Dong-Seok Leem, Xavier Bulliard, Ryuichi Satoh, Kyung Bae Park, Sung Young Yun, Gae Hwang Lee, Yong Wan Jin, Chul Joon Heo
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20160020415
    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: Application
    Filed: December 31, 2014
    Publication date: January 21, 2016
    Inventors: Tadao YAGI, Sakurai RIE, Kyung-bae PARK, Sung-young YUN, Gae Hwang LEE, Kwang-hee LEE, Dong-Seok LEEM, Bulliard XAVIER, Chul-joon HEO, Yongwan JIN
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20160020258
    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: January 23, 2015
    Publication date: January 21, 2016
    Inventors: Kyung Bae PARK, Satoh RYUICHI, Gae Hwang LEE, Kwang Hee LEE, Dong-Seok LEEM, Yong Wan JIN, Tadao YAGI, Chul Joon HEO
  • COMPOUND, ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20160020401
    Abstract: A compound is represented by Chemical Formula 1: X1-T-X2 wherein T is a substituted or unsubstituted fused thiophene moiety, and each of X1 and X2 are independently an organic group including an alkenylene group and an electron withdrawing group.
    Type: Application
    Filed: January 14, 2015
    Publication date: January 21, 2016
    Inventors: Xavier BULLIARD, Tadao YAGI, Sakurai RIE, Kwang Hee LEE, Dong-Seok LEEM, Hyesung CHOI, Seon-Jeong LIM, Yong Wan JIN
  • Organic photoelectric device and image sensor
    Patent number: 9196851
    Abstract: An organic photoelectric device includes a first electrode, a metal nanolayer contacting one side of the first electrode, an active layer on one side of the metal nanolayer, and a second electrode on one side of the active layer. An image sensor includes the organic photoelectric device.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: November 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Kyu Sik Kim, Jung Woo Kim, Kwang Hee Lee, Dong-Seok Leem, Seon-Jeong Lim
  • COMPOUND AND ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20150303378
    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: Application
    Filed: September 19, 2014
    Publication date: October 22, 2015
    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
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20150287946
    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: Application
    Filed: November 4, 2014
    Publication date: October 8, 2015
    Inventors: Dong-Seok LEEM, Kwang Hee LEE, Gae Hwang LEE, Yong Wan JIN
  • Organic photoelectric device and image sensor each having active layer including quinacridone and subPC compounds
    Patent number: 9130175
    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 compound represented by Chemical Formula 1 or Chemical Formula 2, and a compound represented by Chemical Formula 3.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: September 8, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee Lee, Dong-Seok Leem, Kyu Sik Kim, Kyung Bae Park
  • IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20150200226
    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: December 4, 2014
    Publication date: July 16, 2015
    Inventors: Yong Wan JIN, Kyu Sik KIM, Kyung Bae PARK, Kwang Hee LEE, Dong-Seok LEEM, Deukseok CHUNG
  • Photoelectronic device and image sensor
    Patent number: 9070888
    Abstract: A photoelectronic device includes a first electrode, a second electrode facing the first electrode, an active layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the active layer, the auxiliary layer including a first auxiliary layer including a metal oxide and a metal and a second auxiliary layer including a first organic material having a HOMO energy level of greater than or equal to about 6.0 eV.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: June 30, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Leem, Kyu Sik Kim, Kyung Bae Park, Kwang Hee Lee, Seon-Jeong Lim
  • ORGANIC PHOTOELECTRONIC DEVICE AND IMAGE SENSOR
    Publication number: 20150162548
    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: Application
    Filed: October 23, 2014
    Publication date: June 11, 2015
    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