Patents by Inventor Seon-Hong Ahn

Seon-Hong Ahn 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: 20160218157
    Abstract: An exemplary embodiment provides an organic light emitting diode display, including: a first substrate; a switching and driving thin film transistor disposed on the first substrate; a pixel electrode connected to the driving thin film transistor; a pixel defined layer disposed on an edge portion of the pixel electrode and the planarization layer and including an opening through which the pixel electrode is exposed; an organic emission layer disposed on the pixel electrode within the opening; a common electrode formed on the organic emission layer, wherein the pixel defined layer includes at least one of a thermo-chromic pigment, an organic black pigment, and a dye and a base resin.
    Type: Application
    Filed: June 24, 2015
    Publication date: July 28, 2016
    Inventor: Seon Hong Ahn
  • Patent number: 9256107
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing the first substrate, a gate line and a data line disposed on the first substrate, and a pixel electrode disposed on the first substrate. The pixel electrode is connected to the gate line and the data line, and includes subregions. The liquid crystal display further includes a storage electrode disposed on the first substrate overlapping the pixel electrode to form a storage capacitor, a common electrode disposed on the second substrate, and a liquid crystal layer interposed between the pixel electrode and the common electrode and including liquid crystal molecules disposed therein. The pixel electrode includes a stem defining boundaries between the subregions, and a width of the stem changes from a center portion of the pixel electrode to a peripheral portion of the pixel electrode.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In-Woo Kim, Yi Li, Jang-Il Kim, Seong-Jun Lee, Eun Cho, Seon-Hong Ahn, Seung-Hyun Hur, Jae-Young Lee, Ji-Hyeon Son, Jae-Yong Shin
  • Patent number: 9229279
    Abstract: A liquid crystal display (LCD) device having a first substrate and a second substrate, each having a surface opposite to each other and each including a seal region and a liquid crystal region. The first substrate structure having a black matrix on the surface of the first substrate opposite to the second substrate, a color filter next to the black matrix, a first electrode on the color filter, a first orientation film on the first electrode, and a number of seal column spacers on the black matrix. The second substrate structure having a circuit device disposed on the surface of the second substrate opposite to the black matrix, an organic layer disposed on the second substrate opposite to the color filter, a second electrode on the organic layer, and a second orientation film on the second electrode. The seal is in the seal regions between the first substrate structure and the second substrate structure.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: January 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seon-Hong Ahn
  • Patent number: 8970798
    Abstract: A display device includes: a first substrate; a second substrate on the first substrate and facing the first substrate, the second substrate having a first electrode on a surface thereof; a third substrate on the second substrate and facing the second substrate, the third substrate having a second electrode on a surface thereof, the second electrode facing the first electrode and configured to form an electric field between the first electrode and the second electrode; a barrier layer interposed between the second substrate and the third substrate, the barrier layer configured to selectively control transmission and blockage of light in regions thereof corresponding to each of a plurality of pixels; and a first polarizing plate on the third substrate and configured to transmit a portion of light passing through the barrier layer, the portion of light having a first phase, the barrier layer including electrochromic elements.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seon-Hong Ahn
  • Patent number: 8879032
    Abstract: An alignment layer for a display device may include a plurality of rubbed patterns formed on its surface, wherein each of the rubbed patterns includes a first pattern intersecting a center axis at a first angle, and a second pattern connected to the first pattern and intersecting the center axis at a second angle, and the first pattern and the second pattern are alternately repeated. A liquid crystal display device includes the alignment layer, and a method and apparatus for treating the alignment layer are provided.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: November 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Valeriy Prushinskiy, Len Kaplan, Won-Sik Hyun, Heung-Yeol Na, Min-Soo Kim, Seon-Hong Ahn
  • Patent number: 8840533
    Abstract: A rubbing apparatus including a rubbing roller including an opening portion at a region of a circumferential surface of the rubbing roller, an outlet portion connected to the opening portion and open to an outside of the rubbing roller, and a groove portion connected to the opening portion and penetrating into the rubbing roller along the opening portion; and a rubbing cloth substantially surrounding the circumferential surface of the rubbing roller.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Heung-Yeol Na, Kyong-Tae Park, Min-Soo Kim, Seon-Hong Ahn
  • Patent number: 8570473
    Abstract: A display substrate includes a base substrate on which a pixel area is defined. The pixel area includes a first sub-pixel area and a second sub-pixel area. A plurality of first electrode portions is disposed at a first interval in the first sub-pixel area, and a plurality of second electrode portions is disposed at a second interval in the second sub-pixel area. The first electrode portion has a first width, and the second electrode portion has a second width. The first width of the first electrode portion is different from the second width of the second electrode portion, or the first interval between adjacent first electrode portions is different from the second interval between adjacent second electrode portions.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: October 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Li, Seong-Jun Lee, Jae-Young Lee, Seon-Hong Ahn, Sung-Hoon Kim
  • Patent number: 8514363
    Abstract: A liquid crystal display panel that can maintain sufficient adhesiveness between substrates. A liquid crystal display panel includes a first substrate, a second substrate facing the first substrate, circuit lines disposed in the first substrate, the circuit lines including a color filter common voltage line, and a sealing member interposed between the first substrate and the second substrate. The circuit lines are disposed in a first area including the color filter common voltage line and a second area that does not include the color filter common voltage line, and the sealing member is disposed closer to the edge of the first substrate than to the second area of the circuit lines.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Jin Kim, Seon-Hong Ahn
  • Publication number: 20130057814
    Abstract: An alignment layer for a display device may include a plurality of rubbing patterns formed on its surface, wherein each of the rubbing patterns includes a first pattern intersecting a center axis at a first angle, and a second pattern connected to the first pattern and intersecting the center axis at a second angle, and the first pattern and the second pattern are alternately repeated. A liquid crystal display device includes the alignment layer, and a method and apparatus for treating the alignment layer are provided.
    Type: Application
    Filed: November 28, 2011
    Publication date: March 7, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Valeriy Prushinskiy, Len Kaplan, Won-Sik Hyun, Heung-Yeol Na, Min-Soo Kim, Seon-Hong Ahn
  • Publication number: 20130021561
    Abstract: A display device includes: a first substrate; a second substrate on the first substrate and facing the first substrate, the second substrate having a first electrode on a surface thereof; a third substrate on the second substrate and facing the second substrate, the third substrate having a second electrode on a surface thereof, the second electrode facing the first electrode and configured to form an electric field between the first electrode and the second electrode; a barrier layer interposed between the second substrate and the third substrate, the barrier layer configured to selectively control transmission and blockage of light in regions thereof corresponding to each of a plurality of pixels; and a first polarizing plate on the third substrate and configured to transmit a portion of light passing through the barrier layer, the portion of light having a first phase, the barrier layer including electrochromic elements.
    Type: Application
    Filed: December 20, 2011
    Publication date: January 24, 2013
    Inventor: Seon-Hong AHN
  • Publication number: 20120302414
    Abstract: A rubbing apparatus including a rubbing roller including an opening portion at a region of a circumferential surface of the rubbing roller, an outlet portion connected to the opening portion and open to an outside of the rubbing roller, and a groove portion connected to the opening portion and penetrating into the rubbing roller along the opening portion; and a rubbing cloth substantially surrounding the circumferential surface of the rubbing roller.
    Type: Application
    Filed: September 23, 2011
    Publication date: November 29, 2012
    Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Heung-Yeol Na, Kyong-Tae Park, Min-Soo Kim, Seon-Hong Ahn
  • Publication number: 20120033162
    Abstract: A liquid crystal display (LCD) device having a first substrate and a second substrate, each having a surface opposite to each other and each including a seal region and a liquid crystal region. The first substrate structure having a black matrix on the surface of the first substrate opposite to the second substrate, a color filter next to the black matrix, a first electrode on the color filter, a first orientation film on the first electrode, and a number of seal column spacers on the black matrix. The second substrate structure having a circuit device disposed on the surface of the second substrate opposite to the black matrix, an organic layer disposed on the second substrate opposite to the color filter, a second electrode on the organic layer, and a second orientation film on the second electrode. The seal is in the seal regions between the first substrate structure and the second substrate structure.
    Type: Application
    Filed: July 7, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventor: Seon-Hong AHN
  • Patent number: 8094262
    Abstract: A TFT array panel on which both pixel electrodes and common electrodes are formed and a color filter panel is disposed opposing the array panel, and liquid crystals are interposed therebetween. The liquid crystals are aligned parallel to the two panels and driven by parallel electric field formed between the pixel electrodes and reference electrodes. Polarization films are arranged outsides the two panels, and a quasi-A plate compensation film is arranged between the color filter panel and the polarization film.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: January 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hak-Sun Chang, Eun-Hee Han, Chang-Hun Lee, Seon-Hong Ahn
  • Publication number: 20110234965
    Abstract: A liquid crystal display panel that can maintain sufficient adhesiveness between substrates. A liquid crystal display panel includes a first substrate, a second substrate facing the first substrate, circuit lines disposed in the first substrate, the circuit lines including a color filter common voltage line, and a sealing member interposed between the first substrate and the second substrate. The circuit lines are disposed in a first area including the color filter common voltage line and a second area that does not include the color filter common voltage line, and the sealing member is disposed closer to the edge of the first substrate than to the second area of the circuit lines.
    Type: Application
    Filed: December 20, 2010
    Publication date: September 29, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Nam-Jin KIM, Seon-Hong Ahn
  • Patent number: 7940369
    Abstract: In a stereoscopic image conversion panel for enhancing display quality and a stereoscopic image display apparatus having the panel, the stereoscopic display panel includes lower and upper transparent substrates, lower and upper transparent electrodes, and a liquid crystal lens layer. The lower and upper transparent substrates face each other. The lower transparent electrodes are disposed on the lower transparent substrate, formed along a first direction, and formed substantially in parallel with each other along a second direction. The upper transparent electrodes are disposed on the upper transparent substrate, formed along the second direction, and formed substantially in parallel with each other along the first direction. The liquid crystal lens layer is disposed between the upper and lower transparent substrates, and a longitudinal arrangement direction of liquid crystal molecules of the liquid crystal lens layer is changed by an electric field to have a predetermined refractive index.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: May 10, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hae-Young Yun, Won-Sang Park, Seung-Kyu Lee, Seon-Hong Ahn, Sang-Woo Kim, Chang-Woo Shim, Yong-Suk Yeo, Jae-Young Lee, Jae-Ik Lim
  • Publication number: 20100182520
    Abstract: In a stereoscopic image conversion panel for enhancing display quality and a stereoscopic image display apparatus having the panel, the stereoscopic display panel includes lower and upper transparent substrates, lower and upper transparent electrodes, and a liquid crystal lens layer. The lower and upper transparent substrates face each other. The lower transparent electrodes are disposed on the lower transparent substrate, formed along a first direction, and formed substantially in parallel with each other along a second direction. The upper transparent electrodes are disposed on the upper transparent substrate, formed along the second direction, and formed substantially in parallel with each other along the first direction. The liquid crystal lens layer is disposed between the upper and lower transparent substrates, and a longitudinal arrangement direction of liquid crystal molecules of the liquid crystal lens layer is changed by an electric field to have a predetermined refractive index.
    Type: Application
    Filed: March 29, 2010
    Publication date: July 22, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Hae-Young Yun, Won-Sang Park, Seung-Kyu Lee, Seon-Hong Ahn, Sang-Woo Kim, Chang-Woo Shim, Yong-Suk Yeo, Jae-Young Lee, Jae-Ik Lim
  • Publication number: 20100157186
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing the first substrate, a gate line and a data line disposed on the first substrate, and a pixel electrode disposed on the first substrate. The pixel electrode is connected to the gate line and the data line, and includes subregions. The liquid crystal display further includes a storage electrode disposed on the first substrate overlapping the pixel electrode to form a storage capacitor, a common electrode disposed on the second substrate, and a liquid crystal layer interposed between the pixel electrode and the common electrode and including liquid crystal molecules disposed therein. The pixel electrode includes a stem defining boundaries between the subregions, and a width of the stem changes from a center portion of the pixel electrode to a peripheral portion of the pixel electrode.
    Type: Application
    Filed: June 10, 2009
    Publication date: June 24, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In-Woo KIM, YI LI, Jang-Il KIM, Seong-Jun LEE, Eun CHO, Seon-Hong AHN, Seung-Hyun HUR, Jae-Young LEE, Ji-Hyeon SON, Jae-Yong SHIN
  • Patent number: 7697109
    Abstract: In a stereoscopic image conversion panel for enhancing display quality and a stereoscopic image display apparatus having the panel, the stereoscopic display panel includes lower and upper transparent substrates, lower and upper transparent electrodes, and a liquid crystal lens layer. The lower and upper transparent substrates face each other. The lower transparent electrodes are disposed on the lower transparent substrate, formed along a first direction, and formed substantially in parallel with each other along a second direction. The upper transparent electrodes are disposed on the upper transparent substrate, formed along the second direction, and formed substantially in parallel with each other along the first direction. The liquid crystal lens layer is disposed between the upper and lower transparent substrates, and a longitudinal arrangement direction of liquid crystal molecules of the liquid crystal lens layer is changed by an electric field to have a predetermined refractive index.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: April 13, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hae-Young Yun, Won-Sang Park, Seung-Kyu Lee, Seon-Hong Ahn, Sang-Woo Kim, Chang-Woo Shim, Yong-Suk Yeo, Jae-Young Lee, Jae-Ik Lim
  • Publication number: 20100060828
    Abstract: A TFT array panel on which both pixel electrodes and common electrodes are formed and a color filter panel is disposed opposing the array panel, and liquid crystals are interposed therebetween. The liquid crystals are aligned parallel to the two panels and driven by parallel electric field formed between the pixel electrodes and reference electrodes. Polarization films are arranged outsides the two panels, and a quasi-A plate compensation film is arranged between the color filter panel and the polarization film.
    Type: Application
    Filed: August 28, 2009
    Publication date: March 11, 2010
    Inventors: Hak-Sun Chang, Eun-Hee Han, Chang-Hung Lee, Seon-Hong Ahn
  • Publication number: 20100053528
    Abstract: A display substrate includes a base substrate on which a pixel area is defined. The pixel area includes a first sub-pixel area and a second sub-pixel area. A plurality of first electrode portions is disposed at a first interval in the first sub-pixel area, and a plurality of second electrode portions is disposed at a second interval in the second sub-pixel area. The first electrode portion has a first width, and the second electrode portion has a second width. The first width of the first electrode portion is different from the second width of the second electrode portion, or the first interval between adjacent first electrode portions is different from the second interval between adjacent second electrode portions.
    Type: Application
    Filed: August 7, 2009
    Publication date: March 4, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yi LI, Seong-Jun LEE, Jae-Young LEE, Seon-Hong AHN