Patents by Inventor Eun-hyoung Cho

Eun-hyoung Cho 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).

  • Patent number: 10353268
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: July 16, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon Han, Won-taek Seo, Hae-kwan Oh, Hong-seok Lee, Eun-hyoung Cho, Kee-keun Lee
  • Patent number: 10002927
    Abstract: A transparent electrode includes a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun Sung Woo, Hiesang Sohn, Weonho Shin, Eun-Hyoung Cho, Chan Kwak, Hyeon Cheol Park, Youngjin Cho, Dong-Su Ko, Woong Ko, Kwanghee Kim
  • Publication number: 20170299942
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Application
    Filed: July 5, 2017
    Publication date: October 19, 2017
    Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
  • Patent number: 9778541
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: October 3, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon Han, Won-taek Seo, Hae-kwan Oh, Hong-seok Lee, Eun-hyoung Cho, Kee-keun Lee
  • Publication number: 20170133469
    Abstract: A transparent electrode including: a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.
    Type: Application
    Filed: August 15, 2016
    Publication date: May 11, 2017
    Inventors: Yun Sung WOO, Hiesang SOHN, Weonho SHIN, Eun-Hyoung CHO, Chan KWAK, Hyeon Cheol PARK, Youngjin CHO, Dong-Su KO, Woong KO, Kwanghee KIM
  • Patent number: 9186700
    Abstract: A process and an apparatus for performing a UV nano-imprint lithography are provided. The process uses a polymer pad which allows a uniform application of pressure to a patterned template and an easy removal of a residual resin layer. The apparatus includes a tilt and decentering corrector which allows an accurate alignment of layers during the nano-imprint lithography process.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: November 17, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Eun-Hyoung Cho, Sung Hoon Choa, Jin Seung Sohn, Byung Kyu Lee, Du Hyun Lee
  • Patent number: 9105285
    Abstract: A waveguide structure includes a metal layer of a predetermined size on a substrate, a lower clad layer on the structure completely covering the metal layer, a core layer of a predetermined size on the lower clad layer at the location corresponding to the metal layer, and an upper clad layer thereon completely covering the core layer.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: August 11, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Sung-dong Suh, Eun-hyoung Cho, Jin-Seung Sohn
  • Patent number: 9080748
    Abstract: A display panel may include a plurality of opening regions controlling one of transmission and blocking of incident light to form an image, a non-opening region between the plurality of opening regions, the non-opening region configured to not transmit the incident light, and at least one oblique reflective plate in the non-opening region to obliquely reflect the incident light.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: July 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-seung Sohn, Eun-hyoung Cho
  • Patent number: 9082844
    Abstract: The present disclosure relates to a method of transferring semiconductor elements from a non-flexible substrate to a flexible substrate. The present disclosure also relates to a method of manufacturing a flexible semiconductor device based on the method of transferring semiconductor elements. The semiconductor elements grown or formed on a non-flexible substrate may be effectively transferred to a resin layer while maintaining an arrangement of the semiconductor elements. The resin layer may function as a flexible substrate for supporting the vertical semiconductor elements.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-hyoung Cho, Jun-Hee Choi, Jin-seung Sohn, Chang-youl Moon
  • Publication number: 20150160530
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Application
    Filed: July 1, 2014
    Publication date: June 11, 2015
    Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
  • Publication number: 20150144918
    Abstract: An optical film manufacturing method includes forming a master in which a shape corresponding to a plurality of micro-lens patterns is engraved, forming a low refractive index pattern layer in which the plurality of micro-lens patterns are formed, by using the master, forming a high refractive index material layer that has a higher refractive index than a refractive index of the low refractive index pattern layer, and imprinting the low refractive index pattern layer on the high refractive index material layer to form a high refractive index pattern layer, on a first surface of a substrate.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 28, 2015
    Inventors: Eun-hyoung CHO, Woong KO, Jae-kwan KIM, Chang-youl MOON, Hong-shik SHIM, In-kyeong YOO, Chul-ho JEONG
  • Patent number: 8889442
    Abstract: Provided is a method of transferring semiconductor elements formed on a non-flexible substrate to a flexible substrate. Also, provided is a method of manufacturing a flexible semiconductor device based on the method of transferring semiconductor elements. A semiconductor element grown or formed on the substrate may be efficiently transferred to the resin layer while maintaining an arrangement of the semiconductor elements. Furthermore, the resin layer acts as a flexible substrate supporting the vertical semiconductor elements.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-hyoung Cho, Jun-hee Choi, Jin-seung Sohn
  • Publication number: 20140242782
    Abstract: The present disclosure relates to a method of transferring semiconductor elements from a non-flexible substrate to a flexible substrate. The present disclosure also relates to a method of manufacturing a flexible semiconductor device based on the method of transferring semiconductor elements. The semiconductor elements grown or formed on a non-flexible substrate may be effectively transferred to a resin layer while maintaining an arrangement of the semiconductor elements. The resin layer may function as a flexible substrate for supporting the vertical semiconductor elements.
    Type: Application
    Filed: November 12, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-hyoung CHO, Jun-Hee CHOI, Jin-seung SOHN, Chang-youl MOON
  • Publication number: 20140162406
    Abstract: Provided is a method of transferring semiconductor elements formed on a non-flexible substrate to a flexible substrate. Also, provided is a method of manufacturing a flexible semiconductor device based on the method of transferring semiconductor elements. A semiconductor element grown or formed on the substrate may be efficiently transferred to the resin layer while maintaining an arrangement of the semiconductor elements. Furthermore, the resin layer acts as a flexible substrate supporting the vertical semiconductor elements.
    Type: Application
    Filed: June 17, 2013
    Publication date: June 12, 2014
    Inventors: Eun-hyoung CHO, Jun-hee CHOI, Jin-seung SOHN
  • Publication number: 20140140045
    Abstract: A display panel may include a plurality of opening regions controlling one of transmission and blocking of incident light to form an image, a non-opening region between the plurality of opening regions, the non-opening region configured to not transmit the incident light, and at least one oblique reflective plate in the non-opening region to obliquely reflect the incident light.
    Type: Application
    Filed: March 25, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-seung SOHN, Eun-hyoung CHO
  • Patent number: 8680497
    Abstract: A superhydrophobic electromagnetic field shielding material includes a curable resin and a carbon material, the superhydrophobic electromagnetic field shielding material including at least two depression patterns on an exposed surface. The at least two depression patterns may include a first depression pattern including a plurality of grooves having a same shape and a second depression pattern including a plurality of grooves having a same shape. The carbon material may be about 3 wt % to about 20 wt % based on the total weight of the superhydrophobic electromagnetic field shielding material.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Hyoung Cho, Jin Seung Sohn, Sung Hoon Park, Chang Youl Moon, Ha Jin Kim
  • Publication number: 20140061975
    Abstract: A process and an apparatus for performing a UV nano-imprint lithography are provided. The process uses a polymer pad which allows a uniform application of pressure to a patterned template and an easy removal of a residual resin layer. The apparatus includes a tilt and decentering corrector which allows an accurate alignment of layers during the nano-imprint lithography process.
    Type: Application
    Filed: October 22, 2013
    Publication date: March 6, 2014
    Applicant: Seagate Technology LLC
    Inventors: Eun-Hyoung Cho, Sung Hoon Choa, Jin Seung Sohn, Byung Kyu Lee, Du Hyun Lee
  • Patent number: 8562891
    Abstract: A process and an apparatus for performing a UV nano-imprint lithography are provided. The process uses a polymer pad which allows a uniform application of pressure to a patterned template and an easy removal of a residual resin layer. The apparatus includes a tilt and decentering corrector which allows an accurate alignment of layers during the nano-imprint lithography process.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: October 22, 2013
    Assignee: Seagate Technology LLC
    Inventors: Eun-Hyoung Cho, Sung Hoon Choa, Jin Seung Sohn, Byung Kyu Lee, Du Hyun Lee
  • Publication number: 20130075632
    Abstract: A superhydrophobic electromagnetic field shielding material includes a curable resin and a carbon material, the superhydrophobic electromagnetic field shielding material including at least two depression patterns on an exposed surface. The at least two depression patterns may include a first depression pattern including a plurality of grooves having a same shape and a second depression pattern including a plurality of grooves having a same shape. The carbon material may be about 3 wt % to about 20 wt % based on the total weight of the superhydrophobic electromagnetic field shielding material.
    Type: Application
    Filed: June 28, 2012
    Publication date: March 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Hyoung Cho, Jin Seung Sohn, Sung Hoon Park, Chang Youl Moon, Ha Jin Kim
  • Patent number: 8363185
    Abstract: Example embodiments relate to a photonic crystal optical filter, a transmissive color filter, a transflective color filter, and a display apparatus using the photonic crystal optical filter. The transmissive color filter may include a transparent substrate; a barrier layer formed on the transparent substrate and having a plurality of pixel areas; and a plurality of photonic crystal units formed on the plurality of pixel areas. Each of the plurality of photonic crystal units may have a structure such that a first material having a relatively high refractive index and a second material having a relatively low refractive index are periodically arranged so as to transmit light having a wavelength band corresponding to a photonic band gap. An optical cut-off layer may be formed on the first material.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-hyoung Cho, Jin-seung Sohn, Seock-hwan Kang, Hae-sung Kim