Patents by Inventor Hyang-Shik Kong

Hyang-Shik Kong 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: 20190280250
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Application
    Filed: May 1, 2019
    Publication date: September 12, 2019
    Inventors: Hyang Shik KONG, Yoon Ho KANG, Dong Hoon KWAK, Sung Woong KIM, Yool Guk KIM, Jae Hoon KIM, Ye Seul NA, Seok Soon BACK, Jae Kwon HWANG
  • Patent number: 10365512
    Abstract: A display panel including a plurality of pixels. Each of the pixels includes a light blocking part configured to define a first opening, a second opening, and a third opening, a first color filter which overlaps the first opening, a second color filter which overlaps the second opening and having a green color, a third color filter which overlaps the third opening, and a wire grid polarizer including a first stitch line spaced apart from the second opening in a plan view.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: July 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Gun Nam, Hyang-Shik Kong, Soo-Lin Kim, Tae-Woo Kim, Dae-Young Lee, Gug-Rae Jo
  • 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: 10312443
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: June 4, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyang Shik Kong, Yoon Ho Kang, Dong Hoon Kwak, Sung Woong Kim, Yool Guk Kim, Jae Hoon Kim, Ye Seul Na, Seok Soon Back, Jae Kwon Hwang
  • 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: 9835899
    Abstract: A display device includes a first base substrate, a second base substrate, pixels, a first polarizer, and a second polarizer. The first base substrate includes light transmitting areas and a light blocking area surrounding each of the light transmitting areas. The pixels respectively overlap the light transmitting areas. The first and second polarizers are spaced apart from each other such that the pixels are disposed therebetween. At least one of the first and second polarizers includes a plurality of optical conversion layers, each of which comprises a plurality of lattice wires.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Young Lee, Donggun Park, Hyang-Shik Kong, Jung Gun Nam, Gugrae Jo
  • 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: 9768209
    Abstract: A display apparatus includes a base substrate, a pixel on the base substrate, and a color filter part between the base substrate and the pixel. The pixel includes a cover layer defining a TSC (Tunnel Shaped Cavity) on the base substrate, an image display part provided in the TSC, and first and second electrodes which apply an electric field to the image display part.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeun Tae Kim, Hyang-Shik Kong, Namseok Roh, Hongsick Park, Changoh Jeong, Jinho Ju, Byeong-Jin Lee, Kyungtae Chae, Jiseong Yang
  • Patent number: 9685122
    Abstract: A pixel circuit and a display device having the pixel circuit are disclosed. One inventive aspect includes a switching thin-film TFT and a light sensing TFT. The switching thin-film TFT includes a first source electrode electrically connected to a data line. A first gate electrode of the switching thin-film TFT and a second source electrode of the light sensing TFT are electrically connected to a first gate line. A first drain electrode of the switching thin-film TFT and a second drain electrode of the light sensing TFT are electrically connected to a pixel electrode.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: June 20, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hun Lim, Hyeon-Sik Kim, Yeon-Gon Mo, Byung-Du Ahn, Hyang-Shik Kong
  • Patent number: 9627570
    Abstract: A display substrate includes a pixel switching element, a pixel electrode, a reference line, a control switching element, a bias line, a light sensing element, a sensing capacitor and a light blocking filter pattern. The pixel switching element is connected to a data line and a gate line, includes a first semiconductor pattern. The pixel electrode is connected to the pixel switching element. The reference line is in parallel with the data line. The control switching element is connected to the reference line and the gate line, includes a second semiconductor pattern. The bias line is in parallel with the gate line. The light sensing element is connected to the bias line and the control switching element, includes a third semiconductor pattern. The sensing capacitor is connected to the light sensing element and a storage line. The light blocking filter pattern transmits a first light, and blocks a second light.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk-Won Jung, Hyang-Shik Kong, Sung-Hoon Yang, Sang-Youn Han, Kyung-Sook Jeon, Seung-Mi Seo, Mi-Seon Seo
  • Patent number: 9595548
    Abstract: A method of manufacturing a color filter substrate includes forming a plurality of trenches having a predetermined depth by etching a surface of a transparent substrate, disposing a color filter material in the plurality of trenches to form a color filter layer, and forming a transparent electrode on the transparent substrate including the color filter layer therein.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hwan Yu, Byoung-Joo Kim, Hyang-Shik Kong, Kweon-Sam Hong, Yoon-Ho Kang, Young-Joo Choi
  • Publication number: 20160370651
    Abstract: A liquid crystal display includes a first substrate. A plurality of fine metal lines is disposed on the first substrate. The plurality of fine metal lines including a plurality of small regions. A second substrate is aligned with the first substrate. A light blocking portion is disposed on the second substrate. The light blocking portion is disposed in a region between the small regions of the plurality of small regions of the plurality of tine metal lines.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: ATSUSHI TAKAKUWA, Dae Hwan Jang, Hyang-Shik Kong, Gug Rae Jo, Kyu Young Kim
  • Publication number: 20160343940
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Application
    Filed: October 16, 2015
    Publication date: November 24, 2016
    Inventors: Hyang Shik KONG, Yoon Ho KANG, Dong Hoon KWAK, Sung Woong KIM, Yool Guk KIM, Jae Hoon KIM, Ye Seul NA, Seok Soon BACK, Jae Kwon HWANG
  • Patent number: 9482917
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong Sick Park, Seon-Il Kim, Min Ho Moon, Hyang-Shik Kong, Yeun Tae Kim, Chang Oh Jeong
  • Publication number: 20160313601
    Abstract: A display panel including a plurality of pixels. Each of the pixels includes a light blocking part configured to define a first opening, a second opening, and a third opening, a first color filter which overlaps the first opening, a second color filter which overlaps the second opening and having a green color, a third color filter which overlaps the third opening, and a wire grid polarizer including a first stitch line spaced apart from the second opening in a plan view.
    Type: Application
    Filed: October 23, 2015
    Publication date: October 27, 2016
    Inventors: Jung-Gun NAM, Hyang-Shik Kong, Soon-Lin Kim, Tae-Woo Kim, Dae-Young Lee, Gug-Rae Jo
  • Patent number: 9442236
    Abstract: A liquid crystal display includes a first substrate. A plurality of fine metal lines is disposed on the first substrate. The plurality of fine metal lines including a plurality of small regions. A second substrate is aligned with the first substrate. A light blocking portion is disposed on the second substrate. The light blocking portion is disposed in a region between the small regions of the plurality of small regions of the plurality of fine metal lines.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Atsushi Takakuwa, Dae Hwan Jang, Hyang-Shik Kong, Gug Rae Jo, Kyu Young Kim
  • Patent number: 9379145
    Abstract: A display apparatus includes a first substrate to be exposed to external light; a second substrate opposing the first substrate; a gate line arranged over the first substrate such that the gate line is located between the first and second substrates; and an anti-reflective layer. The anti-reflective layer is arranged between the first substrate and the gate line. The anti-reflective layer includes an organic layer and an inorganic layer, and the organic layer includes a light absorber configured to absorb light. The inorganic layer overlaps with the organic layer and has a refractive index smaller than that of the gate line.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 28, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joonyong Park, Hyang-Shik Kong, Kyungseop Kim, Changoh Jeong, Hoon Kang, Jinho Ju
  • Patent number: 9366975
    Abstract: A stage transferring device invention includes: a transferring stage upon which an object is mounted and which transfers the object in an x-y plane; and a stage position measuring device. The stage position measuring device includes a one-dimensional scale on the transferring stage; a one-dimensional scale reading head which is configured to overlap the one-dimensional scale, irradiate a measuring beam to the overlapped one-dimensional scale and measure a 1D y-axis coordinate of the transferring stage; a two-dimensional encoder on the transferring stage; and a two-dimensional encoder reading head which is configured to overlap the two-dimensional encoder, irradiate a measuring beam to the overlapped two-dimensional encoder and measure a 2D x-axis coordinate and a 2D y-axis coordinate of the transferring stage.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hi Kuk Lee, Sang Don Jang, Jae Hyuk Chang, Hyang-Shik Kong, Cha-Dong Kim, Chang Hoon Kim, Jung-In Park, Sang Hyun Yun
  • Publication number: 20160109745
    Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.
    Type: Application
    Filed: December 29, 2015
    Publication date: April 21, 2016
    Inventors: Hong Sick PARK, Seon-Il Kim, Min Ho Moon, Hyang-Shik KONG, Yeun Tae KIM, Chang Oh JEONG
  • Publication number: 20160099265
    Abstract: A display apparatus includes a base substrate, a pixel on the base substrate, and a color filter part between the base substrate and the pixel. The pixel includes a cover layer defining a TSC (Tunnel Shaped Cavity) on the base substrate, an image display part provided in the TSC, and first and second electrodes which apply an electric field to the image display part.
    Type: Application
    Filed: December 9, 2015
    Publication date: April 7, 2016
    Inventors: YEUNTAE KIM, HYANG-SHIK KONG, NAMSEOK ROH, HONGSICK PARK, CHANGOH JEONG, JINHO JU, BYEONG-JIN LEE, KYUNGTAE CHAE, JISEONG YANG