Patents by Inventor Sung-an CHAE

Sung-an CHAE 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: 8421348
    Abstract: An organic light emitting diode display device and a method of fabricating the same, the method comprising: forming a first electrode on a substrate; forming a hydrophilic partition wall having a plurality of openings on the first electrode; forming hydrophobic red, green and blue organic light emitting layers on the plurality of openings of the partition wall, respectively; and forming a second electrode on each of the hydrophobic red, green and blue organic light emitting layers, whereby thin films can be selectively formed by a surface treatment so as to improve color impurity at boundaries of red, green and blue patterns.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: April 16, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Hee Kim, Gee-Sung Chae, Mi-Kyung Park
  • Patent number: 8419200
    Abstract: A backlight unit includes a light guide plate, at least one lamp provided at one or both sides of the light guide plate, a lamp housing surrounding the lamp, a lamp reflection plate positioned under the light guide plate to reflect light emitted from the lamp towards the light guide plate, and a polarization layer on an upper surface of the light guide plate and having an embossed pattern of protrusions and grooves on an upper surface thereof. A method for forming the backlight unit and a liquid crystal display device comprising the same are also disclosed.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: April 16, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jin Wuk Kimq
  • Patent number: 8384075
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: February 26, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Patent number: 8345200
    Abstract: An alignment structure of a liquid crystal display device includes a substrate, a plurality of region defining strips disposed at intervals on the substrate, and organic alignment strips disposed between the region defining layers.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: January 1, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Jin-Wuk Kim
  • Patent number: 8344615
    Abstract: An organic electroluminescent device includes: a first electrode and a first carrier transport layer (CTL) on a substrate having sub-pixels that include a first light emitting area (LEA) for a first color, a second LEA for a second color, and a third LEA for a third color, a first hydrophilic material on the first CTL in the first LEA, a first color light emitting layer (LEL) on the first hydrophilic material in the first LEA, a second hydrophilic material on the first CTL in the second LEA, a second color LEL on the second hydrophilic material in the second LEA, a third hydrophilic material on the first and second color LELs and on the first CTL in the third LEA, a third color LEL on the third hydrophilic material, a second CTL on the third color LEL, and a second electrode on the second CTL.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: January 1, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Sung Hee Kim
  • Publication number: 20120327339
    Abstract: Disclosed herein are a liquid crystal display panel and a method for fabricating the same wherein color reproducibility and superior image quality are achieved. The liquid crystal display panel comprises a color filter array substrate including a black matrix and a plurality of color filters arranged on a substrate, wherein each of the color filter includes a first color filter, a second color filter and a third color filter, each of them yielding a different color; and at least one selected from a fourth color filter yielding a mixed color of the first and second color filters, a fifth color filter yielding a mixed color of the second and third color filters, and a sixth color filter yielding a mixed color of the first and third color filters.
    Type: Application
    Filed: September 4, 2012
    Publication date: December 27, 2012
    Inventors: Gee Sung CHAE, Jin Wuk Kim
  • Publication number: 20120321739
    Abstract: A soft mold and a method for fabricating the same are disclosed. A master mold that has a pattern on a substrate is first formed. A first liquid high polymer precursor is formed on the master mold and then partially cured. A support film having high UV transmittance is attached to the partially cured high polymer. The attached support film and the partially cured high polymer are treated with a coupling agent and a second liquid high polymer precursor is formed on the partially cured high polymer and the support film. The second liquid high polymer precursor and the partially cured high polymer are then fully cured to form a mold. The fully cured mold is stripped from the master mold to form a soft mold having a predetermined shape on one surface.
    Type: Application
    Filed: August 28, 2012
    Publication date: December 20, 2012
    Applicant: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Publication number: 20120300157
    Abstract: The liquid crystal display panel includes a color filter substrate having R,G,B color filters, a black matrix for partitioning pixel regions having the color filters formed thereon, and a common electrode, a thin film transistor substrate bonded with the color filter substrate with liquid crystals disposed therebetween, the thin film transistor substrate having the thin film transistors and pixel electrodes connected to the thin film transistors respectively, and an alignment film having a first photoinduced alignment film formed on the color filter substrate for resolving a DC residual image, and a second alignment film formed on the thin film transistor substrate for improving surface anisotropy, wherein the first photoinduced alignment film includes a chemical compound expressed with a chemical formula 1 shown below. Where, n denotes 0, or a natural numeral larger than 0, and m denotes 1 or a natural numeral larger than 1.
    Type: Application
    Filed: December 12, 2011
    Publication date: November 29, 2012
    Inventors: Kyung-Chan Kim, Gee-Sung Chae, Soon-Wook Cha, Yong-Su Ham, Moon-Bae Gee, Beom-Gyun Jo
  • Patent number: 8308963
    Abstract: The present invention discloses an etchant for etching at least two different metal layers, the etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—). The present invention also discloses a method of fabricating a metal wiring on a substrate, the method comprising forming a first metal layer on a substrate, forming a second metal layer on the first metal layer, and simultaneously etching the first metal layer and the second metal layer with an etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—).
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: November 13, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Yong Sup Hwang
  • Patent number: 8293161
    Abstract: An apparatus for fabricating a flat panel display device includes a device that applies a flowable material on a substrate; a soft mold having a base surface, a groove part recessed in relation to the base surface, and a protruding part protruding from the base surface, the soft mold applying a pressure on the flowable material for forming a multi-stepped profile pattern in the flowable material.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: October 23, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Patent number: 8289472
    Abstract: A liquid crystal display module includes a liquid crystal display panel, a plurality of lamps for irradiating a first light onto the liquid crystal display panel, and a back light unit including a plurality of light emitting diode arrays, each of the light emitting diode arrays having a plurality of light emitting diodes arranged between the lamps to irradiate a second light onto the liquid crystal display panel.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: October 16, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: In Jae Chung, Gee Sung Chae
  • Patent number: 8289476
    Abstract: In a substrate structure and a fabrication method thereof, light refracting members aligned with wirings or black matrix formed are integrally formed at a surface of a substrate. Light incident on the wirings or the black matrix can be refracted to a pixel region of the liquid crystal display panel. Accordingly, a flux of light being transmitted through the pixel region of the liquid crystal display panel can be improved significantly.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: October 16, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Gee-Sung Chae
  • Patent number: 8284352
    Abstract: Disclosed herein are a liquid crystal display panel and a method for fabricating the same wherein color reproducibility and superior image quality are achieved. The liquid crystal display panel comprises a color filter array substrate including a black matrix and a plurality of color filters arranged on a substrate, wherein each of the color filter includes a first color filter, a second color filter and a third color filter, each of them yielding a different color; and at least one selected from a fourth color filter yielding a mixed color of the first and second color filters, a fifth color filter yielding a mixed color of the second and third color filters, and a sixth color filter yielding a mixed color of the first and third color filters.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: October 9, 2012
    Assignee: LG Display, Ltd.
    Inventors: Gee Sung Chae, Jin Wuk Kim
  • Publication number: 20120248449
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Application
    Filed: June 13, 2012
    Publication date: October 4, 2012
    Applicant: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Publication number: 20120236287
    Abstract: The present invention adjusts images received from plural cameras that are oriented to plural directions and combines the images with distance information. Thereafter, the circumstantial environment is visualized based on a moving object using an augmented reality technique to provide to a user. Specifically, the present invention adjusts images in plural directions and adds the distance information to improve the accuracy and uses a visualization method that displays the images with respect to the moving object.
    Type: Application
    Filed: January 17, 2012
    Publication date: September 20, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Yeong LEE, Hee Sung CHAE, Seung Hwan PARK, Won Pil YU
  • Patent number: 8268214
    Abstract: A soft mold and a method for fabricating the same are disclosed. A master mold that has a pattern on a substrate is first formed. A first liquid high polymer precursor is formed on the master mold and then partially cured. A support film having high UV transmittance is attached to the partially cured high polymer. The attached support film and the partially cured high polymer are treated with a coupling agent and a second liquid high polymer precursor is formed on the partially cured high polymer and the support film. The second liquid high polymer precursor and the partially cured high polymer are then fully cured to form a mold. The fully cured mold is stripped from the master mold to form a soft mold having a predetermined shape on one surface.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: September 18, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Jin Wuk Kim, Chang Hee Lee
  • Patent number: 8257609
    Abstract: The present invention discloses an etchant for etching at least two different metal layers, the etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—). The present invention also discloses a method of fabricating a metal wiring on a substrate, the method comprising forming a first metal layer on a substrate, forming a second metal layer on the first metal layer, and simultaneously etching the first metal layer and the second metal layer with an etchant comprising hydrogen peroxide (H2O2) and one of carboxylic acid, carboxylate salt, and acetyl group (CH3CO—).
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: September 4, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Yong Sup Hwang
  • Patent number: 8261313
    Abstract: A mobile communication terminal and method of transmitting broadcast viewing information thereof are disclosed. The mobile communication terminal includes a broadcast module configured to receive a broadcast program, an information collecting unit configured to collect and manage the broadcast viewing information for the received broadcast program, a transmitting unit configured to transmit the broadcast viewing information to a broadcast managing server according to a transmission cycle, a receiving unit configured to receive a change request message for the transmission cycle from the broadcast managing server, and a control unit configured to change the transmission cycle according to the change request message, and control the transmitting unit to transmit the broadcast viewing information to the broadcast managing server in the changed transmission cycle.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: September 4, 2012
    Assignee: LG Electronics Inc.
    Inventors: Suk Kun Kim, Sung Chae Na
  • Patent number: 8236704
    Abstract: An etchant includes hydrogen peroxide (H2O2), and a mixed solution including at least one of an organic acid, an inorganic acid, and a neutral salt.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: August 7, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gyoo-Chul Jo, Ki-Sung Chae
  • Patent number: 8232214
    Abstract: A liquid crystal display device includes a plurality of gate lines and data lines crossing each other to define a plurality of pixel regions, a plurality of thin film transistors, each disposed in one of the pixel regions, and a plurality of pixel electrodes, each disposed in one of the pixel regions, wherein the thin film transistor includes at least one Ti layer.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: July 31, 2012
    Assignee: LG Display Co., Ltd
    Inventors: Gee-Sung Chae, Yong-Sup Hwang