Patents by Inventor Yong Son

Yong Son 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: 10338463
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 2, 2019
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Patent number: 9977324
    Abstract: A method of forming a pattern includes: preparing a target substrate including a photoresist layer on a base substrate; aligning a phase shift mask to the target substrate, the phase shift mask including a mask substrate comparted into a first region including a first sub region and second sub regions at sides of the first sub region, and second regions at sides of the first region, the phase shift mask including a phase shift layer on the mask substrate corresponding to the first region; fully exposing the photoresist layer at the first sub region and the second regions by utilizing the phase shift mask; and removing the photoresist layer at the first sub region and the second regions to form first and second photoresist patterns corresponding to the second sub regions. Transmittance of the phase shift layer is selected to fully expose the photoresist layer in the first sub region.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: May 22, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: DongEon Lee, Min Kang, Bong Yeon Kim, Yong Son, Junhyuk Woo, Hyunjoo Lee, Jinho Ju
  • Patent number: 9885950
    Abstract: A phase shift mask enables much smaller scale of electronic circuit pattern. A phase shift mask comprises a transparent substrate, a phase shift pattern arranged on the transparent substrate to change a phase of light that penetrates the transparent substrate, and a metal coating layer arranged on at least a part of a surface of the phase shift pattern.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Son, Min Kang, Bong Yeon Kim, Hyun Joo Lee, Jin Ho Ju
  • Publication number: 20170371238
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Application
    Filed: September 8, 2017
    Publication date: December 28, 2017
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Patent number: 9778558
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 3, 2017
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Patent number: 9733569
    Abstract: A mask includes a transparent substrate and a light blocking pattern. The light blocking pattern includes a light blocking part and a diffraction pattern. The light blocking part is disposed on the transparent substrate and is configured to block light. The diffraction pattern includes a plurality of protrusion parts and is configured to diffract the light. The plurality of protrusion parts protrudes from a side of the blocking part and is separated from each other.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Jin-Ho Ju
  • Publication number: 20170192348
    Abstract: A method of forming a pattern includes: preparing a target substrate including a photoresist layer on a base substrate; aligning a phase shift mask to the target substrate, the phase shift mask including a mask substrate comparted into a first region including a first sub region and second sub regions at sides of the first sub region, and second regions at sides of the first region, the phase shift mask including a phase shift layer on the mask substrate corresponding to the first region; fully exposing the photoresist layer at the first sub region and the second regions by utilizing the phase shift mask; and removing the photoresist layer at the first sub region and the second regions to form first and second photoresist patterns corresponding to the second sub regions. Transmittance of the phase shift layer is selected to fully expose the photoresist layer in the first sub region.
    Type: Application
    Filed: March 20, 2017
    Publication date: July 6, 2017
    Inventors: DongEon Lee, Min Kang, Bong Yeon Kim, Yong Son, Junhyuk Woo, Hyunjoo Lee, Jinho Ju
  • Patent number: 9632438
    Abstract: A method of forming a pattern includes: preparing a target substrate including a photoresist layer on a base substrate; aligning a phase shift mask to the target substrate, the phase shift mask including a mask substrate comparted into a first region including a first sub region and second sub regions at sides of the first sub region, and second regions at sides of the first region, the phase shift mask including a phase shift layer on the mask substrate corresponding to the first region; fully exposing the photoresist layer at the first sub region and the second regions by utilizing the phase shift mask; and removing the photoresist layer at the first sub region and the second regions to form first and second photoresist patterns corresponding to the second sub regions. Transmittance of the phase shift layer is selected to fully expose the photoresist layer in the first sub region.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: April 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: DongEon Lee, Min Kang, Bong Yeon Kim, Yong Son, Junhyuk Woo, Hyunjoo Lee, Jinho Ju
  • Patent number: 9436091
    Abstract: A method for forming a fine pattern includes forming an etching target material layer on a substrate, forming a first photoresist layer on the etching target material layer, forming a metal pattern on the first photoresist layer, the metal pattern having a plurality of lines and thin film lines alternately arranged, the lines having predetermined linewidth and thickness and are spaced apart from each other by a predetermined distance, exciting surface plasmons in the metal pattern by light irradiation to produce a surface plasmon resonance that exposes a fine first pattern shape in the first photoresist layer, forming a first photoresist pattern by removing the metal pattern and developing the first photoresist layer, and etching the etching target material layer by using the first photoresist pattern as a mask.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Dong-Eon Lee, Hyun-joo Lee
  • Patent number: 9417516
    Abstract: Provided is a method of manufacturing a display apparatus, the method including forming an amorphous silicon layer on a substrate; changing amorphous silicon in the amorphous silicon layer into crystalline silicon by irradiating the amorphous silicon with a laser beam emitted through a phase shift mask; and forming a display device, the phase shift mask including a base substrate; a barrier layer on the base substrate and including a plurality of transmissive portions which are spaced apart from each other in a first direction; and phase shift portions which alternately fill the plurality of transmissive portions in the first direction.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bongyeon Kim, Min Kang, Yong Son, Hyunjoo Lee, Myounggeun Cha, Jinho Ju
  • Patent number: 9417377
    Abstract: A display device in a display panel; a backlight unit configured to provide light to the display panel, the display pan& being arranged at a side of a first surface of the backlight unit; and a first light adjustment unit configured to be arranged at a side of a second surface of the backlight unit opposite to the first surface of the backlight unit, the first light adjustment unit including a plurality of reflection portions, reflection portions of the plurality of reflection portions being rotatable so as to be switchable between a light transmission mode and a light reflection mode.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jin Choi, Dong Ho Kim, Bong Jun Park, Yong Son, Yi Seul Song, Jin Ho Oh, Jee Hoon Han
  • Publication number: 20160216602
    Abstract: A mask including: a transparent substrate and a light blocking layer thereon. The transparent substrate includes a first transmitting portion and a second transmitting portion each configured to pass light, and a light blocking portion configured to block light. The first transmitting portion includes a first transmitting region configured to pass light and a first light blocking region configured to block light, and area centers of the first transmitting region and the first light blocking region substantially coincide. The second transmitting portion includes a second transmitting region configured to pass light and a second light blocking region configured to block light, and area centers of the second transmitting region and the second light blocking region substantially coincide, so that the first transmitting portion is configured to pass light of a greater intensity and the second transmitting portion is configured to pass light of a lesser intensity.
    Type: Application
    Filed: August 5, 2015
    Publication date: July 28, 2016
    Inventors: Seong Woon CHOI, Min KANG, Jong Hyeok RYU, Sung-Mo KANG, Keun Ha KIM, Bong-Yeon KIM, Soon Young KIM, In Ho KIM, Soo Jin PARK, Yong SON, Min Jee LEE, Yun ku JUNG, Hye Ran JEONG, Chung Heon HAN
  • Patent number: 9395619
    Abstract: A phase shift device includes a phase shift mask which includes a transparent substrate, and a phase shift pattern which is provided on the transparent substrate, and includes a first area having a first thickness, a second area having a second thickness which is less than the first thickness, a first opening having a first opening width and defined at the first area, and a second opening having a second opening width and defined at the second area.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Dong-Eon Lee, Jun-Hyuk Woo, Hyun-Joo Lee, Sang-Uk Lim, Jin-Ho Ju
  • Publication number: 20160170294
    Abstract: A phase shift mask enables much smaller scale of electronic circuit pattern. A phase shift mask comprises a transparent substrate, a phase shift pattern arranged on the transparent substrate to change a phase of light that penetrates the transparent substrate, and a metal coating layer arranged on at least a part of a surface of the phase shift pattern.
    Type: Application
    Filed: April 20, 2015
    Publication date: June 16, 2016
    Inventors: Yong SON, Min Kang, Bong Yeon Kim, Hyun Joo Lee, Jin Ho Ju
  • Publication number: 20160109793
    Abstract: A mask includes a transparent substrate and a light blocking pattern. The light blocking pattern includes a light blocking part and a diffraction pattern. The light blocking part is disposed on the transparent substrate and is configured to block light. The diffraction pattern includes a plurality of protrusion parts and is configured to diffract the light. The plurality of protrusion parts protrudes from a side of the blocking part and is separated from each other.
    Type: Application
    Filed: April 27, 2015
    Publication date: April 21, 2016
    Inventors: YONG SON, MIN KANG, BONG-YEON KIM, HYUN-JOO LEE, JIN-HO JU
  • Publication number: 20160097972
    Abstract: Provided is a method of manufacturing a display apparatus, the method including forming an amorphous silicon layer on a substrate; changing amorphous silicon in the amorphous silicon layer into crystalline silicon by irradiating the amorphous silicon with a laser beam emitted through a phase shift mask; and forming a display device, the phase shift mask including a base substrate; a barrier layer on the base substrate and including a plurality of transmissive portions which are spaced apart from each other in a first direction; and phase shift portions which alternately fill the plurality of transmissive portions in the first direction.
    Type: Application
    Filed: July 8, 2015
    Publication date: April 7, 2016
    Inventors: Bongyeon KIM, Min KANG, Yong SON, Hyunjoo LEE, Myounggeun CHA, Jinho JU
  • Publication number: 20160033857
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Application
    Filed: June 26, 2015
    Publication date: February 4, 2016
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Publication number: 20150309763
    Abstract: An image display system includes a plurality of unit display devices, an image data buffer, and a location recognition unit. The location recognition unit recognizes the locations of the unit display devices and provides the image data buffer with location data. When the image data driver determines that the unit display devices are arranged in a first pattern, the plurality of unit display devices together displays a first image that corresponds to the first pattern.
    Type: Application
    Filed: February 10, 2015
    Publication date: October 29, 2015
    Inventors: YONG SON, SUNGJIN CHOI, Dong-Ho KIM, Bongjun PARK, Yiseul SONG, Jin-Ho OH, Jeehoon HAN
  • Publication number: 20150293438
    Abstract: A method of forming a pattern includes: preparing a target substrate including a photoresist layer on a base substrate; aligning a phase shift mask to the target substrate, the phase shift mask including a mask substrate comparted into a first region including a first sub region and second sub regions at sides of the first sub region, and second regions at sides of the first region, the phase shift mask including a phase shift layer on the mask substrate corresponding to the first region; fully exposing the photoresist layer at the first sub region and the second regions by utilizing the phase shift mask; and removing the photoresist layer at the first sub region and the second regions to form first and second photoresist patterns corresponding to the second sub regions. Transmittance of the phase shift layer is selected to fully expose the photoresist layer in the first sub region.
    Type: Application
    Filed: January 23, 2015
    Publication date: October 15, 2015
    Inventors: DongEon Lee, Min Kang, Bong Yeon Kim, Yong Son, Junhyuk Woo, Hyunjoo Lee, Jinho Ju
  • Publication number: 20150277026
    Abstract: A display device in a display panel; a backlight unit configured to provide light to the display panel, the display pan& being arranged at a side of a first surface of the backlight unit; and a first light adjustment unit configured to be arranged at a side of a second surface of the backlight unit opposite to the first surface of the backlight unit, the first light adjustment unit including a plurality of reflection portions, reflection portions of the plurality of reflection portions being rotatable so as to be switchable between a light transmission mode and a light reflection mode.
    Type: Application
    Filed: August 29, 2014
    Publication date: October 1, 2015
    Inventors: Sung Jin CHOI, Dong Ho KIM, Bong Jun PARK, Yong SON, Yi Seul SONG, Jin Ho OH, Jee Hoon HAN