Patents by Inventor Chul Huh

Chul Huh 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: 20160233369
    Abstract: Disclosed is a silicon nano crystal light emitting diode, including: a photoelectric conversion layer formed of a silicon nitride layer including a silicon nano crystal; an electron injection layer formed on the photoelectric conversion layer; and a hole injection layer, which faces the electron injection layer with the photoelectric conversion layer interposed therebetween, has an energy band gap higher than that of the photoelectric conversion layer, and has a refractive index lower than that of a silicon thin film.
    Type: Application
    Filed: February 2, 2016
    Publication date: August 11, 2016
    Inventors: Chul HUH, Bong Kyu KIM, Chang Geun AHN
  • Publication number: 20160216554
    Abstract: There are provided a display device having dual color filter patterns and a manufacturing method thereof. The liquid crystal display device includes an array substrate including first color filter patterns, a counter substrate including second color filter patterns, and a liquid crystal layer interposed between the array substrate and the counter substrate, wherein the first color filter patterns and the second color filter patterns include photoresists having different color coordinates.
    Type: Application
    Filed: January 11, 2016
    Publication date: July 28, 2016
    Inventors: Yun Ho LEE, Jin A. SEO, Myung Jin LEE, Chul HUH
  • Publication number: 20160202526
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a thin film transistor disposed on the first insulating substrate; a light blocking member disposed on the thin film transistor; and a spacer disposed on the light blocking member, wherein the spacer includes a main column spacer and a sub column spacer, and the sub column spacer is disposed between the main column spacer and has a stripe shape which extends in parallel to a gate line of the thin film transistor.
    Type: Application
    Filed: May 13, 2015
    Publication date: July 14, 2016
    Inventors: Yi Seop SHIM, Hee Ra KIM, Chang Soon JANG, Chul HUH
  • Publication number: 20160202542
    Abstract: A liquid crystal display includes: a substrate including a display region and a non-display region, a light leakage preventing layer disposed on the substrate along the non-display region, a step providing layer disposed on the light leakage preventing layer, and a hydrophobic layer disposed on the step providing layer.
    Type: Application
    Filed: September 16, 2015
    Publication date: July 14, 2016
    Inventors: Chang Hun KWAK, Sang Hun LEE, Chul HUH
  • Publication number: 20160178945
    Abstract: An exemplary embodiment of the present system and method provides a thin film display panel including: an insulation substrate configured to include a red area, a blue area, a green area, and a white area; a gate line and a data line disposed on the insulation substrate; a step compensating member disposed in the white area on the insulation substrate; a red color filter, a green color filter, and a blue color filter respectively disposed at the red area, the blue area, and the green area on the insulation substrate; a planarization layer configured to cover the red color filter, the green color filter, the blue color filter, and the step compensating member; and a plurality of pixel electrodes formed on the planarization layer.
    Type: Application
    Filed: April 1, 2015
    Publication date: June 23, 2016
    Inventors: Soo Hye RYU, Yun Ho LEE, Yui Ku LEE, Chul HUH
  • Publication number: 20160178950
    Abstract: A display device includes a first substrate and a second substrate facing each other, a first thin film transistor (“TFT”) disposed on the first substrate, a second TFT disposed on the first substrate, a first color filter disposed on the first TFT and a periphery thereof, a second color filter disposed on the second TFT and a periphery thereof and representing a different color from the first color filter, and a light blocking member disposed on the first and second color filters where the light blocking member includes a first spacer disposed on the first TFT and the first color filter, a second spacer disposed on the second TFT and the second color filter, a main light blocking portion disposed in peripheries of the first and second spacers, and a furrow disposed between the second spacer and the main light blocking portion.
    Type: Application
    Filed: May 18, 2015
    Publication date: June 23, 2016
    Inventors: Chang Hun KWAK, Young Bong CHO, Chul HUH
  • Patent number: 9342156
    Abstract: An apparatus and method for inputting a character using a keyboard displayed on a touch screen in a portable terminal. The apparatus and method determines if a touch signal is generated, with the keyboard displayed. Upon generation of the touch signal, a touched character is recognized by analyzing the touch signal. The character is displayed enlarged in a predetermined screen area. It is then determined if the touch has been completed, while the character is displayed enlarged. Upon sensing the touch completion, the character is displayed in a main screen area.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: May 17, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jung-Chul Huh
  • Patent number: 9335925
    Abstract: A method for performing keypad input in a portable terminal is provided. The method includes displaying, on a touch screen, a keypad and an operating zone; detecting a first user operation performed in the operating zone; identifying, by a processor, a key from the keypad, the key being identified based on the first user operation; and inputting the selected key.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Chul Huh, Liang Han
  • Patent number: 9329428
    Abstract: A display panel includes a first substrate and a spaced apart second substrate and a protection or other additional film attached to an outer and laterally extending major surface of the first substrate. The first substrate includes a first base substrate having a major lateral surface subdivided into a display region and a peripheral region, a color filter member disposing on the first base substrate and having a plurality of color filters, a light blocking member disposing on the peripheral region of the first base substrate and an overcoating member disposing on the color filter member and on the light blocking member and extending to cover a sidewall surface of the light blocking member. The extend overcoating member helps block charged particles from reaching the light blocking member, thus preventing discoloration of the color filter due to influx of static electricity associated with the charged particles.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi-Seop Shim, Soo-Hye Ryu, Chang-Soon Jang, Chul Huh
  • Publication number: 20160109441
    Abstract: Provided are an apparatus for detecting bio materials, a method of fabricating the same and a method of detecting bio materials using the same. The apparatus for detecting bio materials includes a filter, freeze dried bio material detecting materials and bio material capturing materials fixed to the inner wall of a microtube, arranged in order in the microtube. Antibodies capturing blood cells in blood are combined with the filter, each of the bio material detecting materials includes immunogolds conjugated with detecting antibodies. The apparatus for detecting bio materials is portable and perceive a small amount of the bio materials with high sensitivity.
    Type: Application
    Filed: October 21, 2015
    Publication date: April 21, 2016
    Inventors: Wan Joong KIM, HyoYoung CHO, CHUL HUH, Bong Kyu KIM, Young Jun KIM
  • Publication number: 20160091753
    Abstract: A liquid crystal display panel including an array substrate including pixel areas, an opposite substrate facing the array substrate, the opposite substrate including a first base substrate, color filters disposed on the first base substrate, the color filters facing the array substrate and corresponding to the pixel areas, and a cell gap adjustment pattern disposed on at least one of the color filters, and a liquid crystal layer disposed between the array substrate and the opposite substrate.
    Type: Application
    Filed: June 4, 2015
    Publication date: March 31, 2016
    Inventors: Yi-Seop SHIM, Chang-Soon JANG, Chul HUH
  • Patent number: 9298044
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a first spacer and a second spacer on the first substrate and have different heights, and a liquid crystal layer between the first substrate and the second substrate and including a plurality of a liquid crystal molecule. The first spacer and the second spacer include a photosensitive material defining a maximum height of a spacer with respect to a predetermined a cross-section width dimension of the spacer, and heights less than the maximum height with respect to cross-section width dimensions larger than the predetermined cross-section width dimension. The first spacer and the second spacer can include a black pigment.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gwan-Soo Kim, Chul Huh, Jin-Seuk Kim, Sang-Hun Lee, Yui-Ku Lee
  • Publication number: 20160026033
    Abstract: A liquid crystal display includes: a first substrate and a second substrate facing the first substrate; a column spacer disposed on the first substrate; a light blocking member disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The light blocking member includes a dome shaped portion having a concave surface.
    Type: Application
    Filed: March 17, 2015
    Publication date: January 28, 2016
    Inventors: Min Jung KANG, Yi Seop SHIM, Nu Ree UM, Chul HUH
  • Publication number: 20150378217
    Abstract: A color conversion film includes fluorescent dots and a polymer layer, the fluorescent dots distributed within the polymer layer; a barrier film at one surface of the color conversion film; and a transflective film at another surface of the color conversion film. An organic or inorganic phosphor may be partially or entirely applied to the fluorescent sheet and the transflective film is applied to a bottom surface of the fluorescent sheet, thereby enhancing light efficiency without causing harm to the environment, as well as reducing a manufacturing cost.
    Type: Application
    Filed: December 17, 2014
    Publication date: December 31, 2015
    Inventors: Soon Young KIM, Yui-Ku LEE, Dae Won LEE, Chul HUH
  • Publication number: 20150338995
    Abstract: An apparatus and method for inputting a character using a keyboard displayed on a touch screen in a portable terminal. The apparatus and method determines if a touch signal is generated, with the keyboard displayed. Upon generation of the touch signal, a touched character is recognized by analyzing the touch signal. The character is displayed enlarged in a predetermined screen area. It is then determined if the touch has been completed, while the character is displayed enlarged. Upon sensing the touch completion, the character is displayed in a main screen area.
    Type: Application
    Filed: August 3, 2015
    Publication date: November 26, 2015
    Inventor: Jung-Chul HUH
  • Publication number: 20150293280
    Abstract: A display device includes a first substrate, and a second substrate opposing the first substrate and including a color filter layer. The color filter layer includes a red color filter, a green color filter and a blue color filter. The red color filter includes a first fluorescent dye and a first nanoparticle, and illustrates red color. The green color filter includes a second fluorescent dye and a second nanoparticle and illustrates green color. The blue color filter includes a third fluorescent dye and a third nanoparticle and illustrates blue color. Each of the first to third nanoparticles has a non-spherical shape and has maximum extinction at the first wavelength, the second wavelength and the third wavelength. The first wavelength is greater than the second wavelength, and the second wavelength is greater than the third wavelength.
    Type: Application
    Filed: January 14, 2015
    Publication date: October 15, 2015
    Inventors: Minsu Lee, Chul Huh
  • Patent number: 9153714
    Abstract: A photoelectric conversion device according to an exemplary embodiment includes a first substrate, a photoelectric conversion layer disposed above the first substrate, a second substrate which is different from the first substrate and disposed on the photoelectric conversion layer, and a nano pillar layer disposed above the second substrate in which the nano pillar layer includes a plurality of nano pillars which is spaced apart from each other, so as to easily absorb the light.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: October 6, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chul Huh, Sang Hyeob Kim, Byoung Jun Park, Eun Hye Jang, Myung Ae Chung
  • Patent number: 9146428
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The second substrate includes a buffer layer, and the buffer layer includes a recessed portion. A spacer is disposed between the first substrate and the second substrate, such that a portion of the spacer is extended into the recessed portion. A bottom surface of the recessed portion contacts an upper surface of the spacer. A shortest line crossing a center of the bottom surface of the recessed portion is longer than a longest line crossing a center of the upper surface of the spacer, by about 14 micrometers to about 20 micrometers.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soon Jang, Soo-Hye Ryu, YiSeop Shim, Chul Huh
  • Patent number: 9122089
    Abstract: A display device includes a light emitting unit and a display panel including a first color filter. The light emitting unit includes a light source generating a blue light, and a light-converting part converting the blue light into a white light and emitting the white light to an exterior. The first color filter, through which the white light passes, includes a first coloring agent that absorbs about 95% to about 100% of light having wavelength of about 420 nm to about 470 nm in the white light. Thus, a color reproducibility of the display device may be improved.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: September 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yui-Ku Lee, Chul Huh, Jin-Seuk Kim, Min Kang, Dong-Uk Kang, Sun-Young Chang
  • Publication number: 20150234224
    Abstract: Provided is an LCD device including a first substrate, a second substrate, a liquid crystal layer, a main spacer, and a supplementary spacer. The liquid crystal layer is interposed between the first and second substrates. The main spacer makes contact with the first and second substrates. The supplementary spacer makes contact with one of the first and second substrates and is spaced apart from the other. A first area ratio defined by dividing the area of a first top surface by that of a first bottom surface of the main spacer may be smaller than a second area ratio defined by dividing the area of a second top surface by that of a second bottom surface of the supplementary spacer.
    Type: Application
    Filed: November 7, 2014
    Publication date: August 20, 2015
    Inventors: Chang-Soon JANG, Heera KIM, YiSeop SHIM, Chul HUH