Patents by Inventor Don Wook Lee

Don Wook Lee 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: 20210296599
    Abstract: A stretchable device includes a substrate, the substrate including first regions having a first stiffness and a second region between adjacent first regions and having a second stiffness that is lower than the first stiffness, a unit device array including unit devices on separate, respective first regions of the substrate, and an encapsulant covering the unit device array. The unit device array includes pixel electrodes isolated on separate, respective first regions of the substrate, common electrodes isolated on separate, respective first regions and each facing a separate pixel electrode, the stretchable device configured to apply a same voltage to the plurality of common electrodes, and active layers on separate, respective first regions and each between a separate pixel electrode and a separate common electrode.
    Type: Application
    Filed: October 27, 2020
    Publication date: September 23, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Young KIM, Youngjun YUN, Don-Wook LEE
  • Publication number: 20210223209
    Abstract: Disclosed are an apparatus for measuring an in-situ crosslink density includes a support configured to fix or support a cross-linkable structure, a light source configured to irradiate light for crosslinking to the cross-linkable structure, and a probe configured to provide in-situ micro-deformation to the cross-linkable structure, wherein the in-situ crosslink density of the cross-linkable structure is measured from a stress-strain phase lag of the cross-linkable structure by the in-situ micro-deformation, a method of measuring the in-situ crosslink density, a method of manufacturing a crosslinked product, a crosslinked product obtained by the method, and a polymer substrate and an electronic device including the crosslinked product.
    Type: Application
    Filed: December 8, 2020
    Publication date: July 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young Suk JUNG, Bok Soon KWON, Joo Young KIM, Don-Wook LEE, Suk Gyu HAHM
  • Patent number: 11069863
    Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yasutaka Kuzumoto, Jeong Il Park, Hyun Bum Kang, Eun Kyung Lee, Don-Wook Lee
  • Patent number: 11066418
    Abstract: Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film, a thin film transistor, and an electronic device. In Chemical Formulae 1A and 1B, X1, Ar1, R1 to R4, and n1 are the same as described in the detailed description.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eun Kyung Lee
  • Patent number: 11038116
    Abstract: Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film including the same, a thin film transistor, and an electronic device. In Chemical Formula 1A or 1B, X1, X2, Ar1, R1 to R4, and n1 are the same as described in the detailed description.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eunkyung Lee, Don-Wook Lee, Jeong Il Park
  • Publication number: 20210036229
    Abstract: Disclosed are a polymer including at least one structural unit with a moiety represented by Chemical Formula 1, an organic thin film including the polymer, a thin film transistor, and an electronic device. In Chemical Formula 1, Ar1 to Ar3, L1, L2, and R1 to R6 are the same as described in the detailed description.
    Type: Application
    Filed: June 16, 2020
    Publication date: February 4, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook LEE, Youngjun YUN, Jeong Il PARK, Jiyoung JUNG, Yasutaka KUZUMOTO
  • Patent number: 10686145
    Abstract: Disclosed are an organic compound selected from a compound represented by Chemical Formula 1A, a compound represented by Chemical Formula 1B, and a combination thereof, an organic thin film including the organic compound, an organic thin film transistor, and an electronic device. The organic compound has liquid crystal properties and exhibits an ordered liquid crystal phase when being heated in a liquid crystal period due to asymmetric substituents and thereby charge mobility may be further improved.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Kyung Lee, Jeong Il Park, Don-Wook Lee
  • Publication number: 20200176690
    Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.
    Type: Application
    Filed: October 23, 2019
    Publication date: June 4, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yasutaka KUZUMOTO, Jeong II PARK, Hyun Bum KANG, Eun Kyung LEE, Don-Wook LEE
  • Publication number: 20200165268
    Abstract: Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film, a thin film transistor, and an electronic device. In Chemical Formulae 1A and 1B, X1, Ar13 , R1 to R4, and n1 are the same as described in the detailed description.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 28, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong II Park, Eun Kyung Lee
  • Publication number: 20200168806
    Abstract: Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film including the same, a thin film transistor, and an electronic device. In Chemical Formula 1A or 1B, X1, X2, Ar1, R1 to R4, and n1 are the same as described in the detailed description.
    Type: Application
    Filed: August 5, 2019
    Publication date: May 28, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eunkyung LEE, Don-Wook LEE, Jeong II PARK
  • Publication number: 20200152898
    Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an organic auxiliary layer between the first electrode and the photoelectric conversion layer and having a higher charge mobility than a charge mobility of the photoelectric conversion layer. An organic sensor may include the photoelectric conversion device. An electronic device may include the organic sensor.
    Type: Application
    Filed: July 23, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Hyun Bum KANG, Sung Jun PARK, Jeong II PARK, Chul BAIK, Ji Soo SHIN, Sung Young YUN, Gae Hwang LEE, Don-Wook LEE, Eun Kyung LEE, Yong Wan JIN, Yeong Suk CHOI, Taejin CHOI
  • Publication number: 20200075867
    Abstract: Disclosed are a compound represented by Chemical Formula 1A or 1B, an organic thin film including the same, a thin film transistor, and an electronic device. In Chemical Formulae 1A and 1B, X1, X2, R1 to R4, and n1 are the same as described in the detailed description.
    Type: Application
    Filed: August 21, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: EUN KYUNG LEE, Don-Wook Lee, Jeong Il Park
  • Publication number: 20190112319
    Abstract: A fused polycyclic heteroaromatic compound represented by Chemical Formula 1, and an organic thin film, an organic thin film transistor, and an electronic device including the fused polycyclic heteroaromatic compound are provided. The fused polycyclic heteroaromatic compound may have a conjugation structure but reinforce planarity among adjacent rings and have further dense packing and thus much increase charge mobility.
    Type: Application
    Filed: September 25, 2018
    Publication date: April 18, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong Il Park
  • Publication number: 20190036037
    Abstract: Disclosed are an organic compound selected from a compound represented by Chemical Formula 1A, a compound represented by Chemical Formula 1B, and a combination thereof, an organic thin film including the organic compound, an organic thin film transistor, and an electronic device. The organic compound has liquid crystal properties and exhibits an ordered liquid crystal phase when being heated in a liquid crystal period due to asymmetric substituents and thereby charge mobility may be further improved.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 31, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun Kyung LEE, Jeong II PARK, Don-Wook LEE
  • Patent number: 10174055
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 8, 2019
    Assignee: Samsung Electronics Co., ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eigo Miyazaki
  • Patent number: 10071084
    Abstract: A nanoparticle including a hydrophobic active ingredient and a polypeptide, as well as a liposome including the nanoparticle and methods of making and using the nanoparticle.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Don-wook Lee, Jung-yong Nam, Hyun-ryoung Kim, Eun-sung Park
  • Publication number: 20180179227
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Application
    Filed: February 26, 2018
    Publication date: June 28, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook LEE, Jeong II Park, Eigo Miyazaki
  • Patent number: 9932357
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eigo Miyazaki
  • Patent number: 9853226
    Abstract: A low-molecular-weight fused polycyclic heteroaromatic compound includes a compound represented by Chemical Formula 1A, a compound represented by Chemical Formula 1B, or a combination thereof. The fused polycyclic heteroaromatic compound has a compact planar structure in which five or more aromatic rings are fused together, and thereby exhibit higher charge mobility, and furthermore, enables the use of a deposition process or a room-temperature (about 20 to about 25° C.) solution process when applied to devices, therefore realizing improved processibility.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: December 26, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eun Kyung Lee
  • Publication number: 20170355716
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Application
    Filed: October 24, 2016
    Publication date: December 14, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: DON-WOOK LEE, Jeong II PARK, Eigo MIYAZAKI