Patents by Inventor Gee Sung Chae

Gee Sung 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: 10032795
    Abstract: Disclosed is a display device that includes a display element including a plurality of thin film transistors; and a hard coating film on the display element, the hard coating film including: a base film; and a hard coating layer on the base film, the hard coating layer including a photo-curable resin composition and a plurality of porous particles.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: July 24, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Keun Young Kim, Gee Sung Chae, In Byeong Kang, Kelly Sooyeun Song
  • Patent number: 9304397
    Abstract: Disclosed is a method of manufacturing an organic light emitting display device. The method include forming a driving thin film transistor and passivation layer on a substrate, forming a bank layer at a boundary portion between adjacent sub-pixels, on the passivation layer, laminating a first photoresist film on the bank layer, forming a first photoresist pattern by irradiating IR light on the first photoresist film in an area except a first sub-pixel, depositing a first organic emission layer in the first sub-pixel area exposed by the first photoresist pattern, removing the first photoresist pattern, laminating a second photoresist film on the bank layer, forming a second photoresist pattern by irradiating IR light on the second photoresist film in an area except a second sub-pixel, depositing a second organic emission layer in the second sub-pixel area exposed by the second photoresist pattern, and removing the second photoresist pattern.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: April 5, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Wy-Yong Kim, Byung Chul Ahn, Gee Sung Chae, Jin Wuk Kim, Yoon Heung Tak
  • Patent number: 9170445
    Abstract: Disclosed are a flexible liquid crystal display (LCD) device and a method of manufacturing the same. The flexible LCD device comprises a first flexible substrate and a second flexible substrate. A layer is disposed on the first flexible substrate and first pixel control lines are disposed on the second flexible substrate. The LCD device also includes polymer walls disposed between the first flexible substrate and the second flexible substrate that maintain a cell gap between the first flexible substrate and the second flexible substrate. The polymer walls are substantially aligned with the first pixel control lines and light transparent gaps in the layer disposed on the first flexible substrate.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: October 27, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Guk Kim, Gee Sung Chae, Dongcheon Shin, Won Bong Jang, Joong Ha Lee, Tae Hyoung Kwak
  • Publication number: 20150179674
    Abstract: Disclosed is a display device that includes a display element including a plurality of thin film transistors; and a hard coating film on the display element, the hard coating film including: a base film; and a hard coating layer on the base film, the hard coating layer including a photo-curable resin composition and a plurality of porous particles.
    Type: Application
    Filed: November 20, 2014
    Publication date: June 25, 2015
    Inventors: Keun Young KIM, Gee Sung CHAE, In Byeong KANG, Kelly Sooyeun SONG
  • Patent number: 8876998
    Abstract: Disclosed is a method for manufacturing a flexible device comprising: forming an adhesive layer on a support substrate; adhering a flexible substrate onto the adhesive layer; forming a device layer on the flexible substrate; and separating the support substrate from the flexible substrate, wherein the adhesive layer comprises a self-assembled monolayer (SAM).
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: November 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Hyun Park, Chang Dong Kim, Gee Sung Chae, Juhn Suk Yoo, Soo Young Yoon, Soon Wook Cha, Won Bong Jang, Jae Kyung Choi
  • Publication number: 20140111746
    Abstract: Disclosed are a flexible liquid crystal display (LCD) device and a method of manufacturing the same. The flexible LCD device comprises a first flexible substrate and a second flexible substrate. A layer is disposed on the first flexible substrate and first pixel control lines are disposed on the second flexible substrate. The LCD device also includes polymer walls disposed between the first flexible substrate and the second flexible substrate that maintain a cell gap between the first flexible substrate and the second flexible substrate. The polymer walls are substantially aligned with the first pixel control lines and light transparent gaps in the layer disposed on the first flexible substrate.
    Type: Application
    Filed: April 25, 2013
    Publication date: April 24, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Guk KIM, Gee Sung CHAE, Dongcheon SHIN, Won Bong JANG, Joong Ha LEE, Tae Hyoung KWAK
  • Publication number: 20140087312
    Abstract: Disclosed is a method of manufacturing an organic light emitting display device. The method include forming a driving thin film transistor and passivation layer on a substrate, forming a bank layer at a boundary portion between adjacent sub-pixels, on the passivation layer, laminating a first photoresist film on the bank layer, forming a first photoresist pattern by irradiating IR light on the first photoresist film in an area except a first sub-pixel, depositing a first organic emission layer in the first sub-pixel area exposed by the first photoresist pattern, removing the first photoresist pattern, laminating a second photoresist film on the bank layer, forming a second photoresist pattern by irradiating IR light on the second photoresist film in an area except a second sub-pixel, depositing a second organic emission layer in the second sub-pixel area exposed by the second photoresist pattern, and removing the second photoresist pattern.
    Type: Application
    Filed: December 26, 2012
    Publication date: March 27, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Wy-Yong KIM, Byung Chul AHN, Gee Sung CHAE, Jin Wuk KIM, Yoon Heung TAK
  • Publication number: 20130228750
    Abstract: A thin film transistor includes: a silicon nanowire on a substrate, the silicon nanowire having a central portion and both side portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode spaced apart from the source electrode on the both side portions, the source electrode and the drain electrode electrically connected to the silicon nanowire, respectively.
    Type: Application
    Filed: March 25, 2013
    Publication date: September 5, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Gee Sung CHAE, Mi-Kyung PARK
  • Patent number: 8477270
    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: September 4, 2012
    Date of Patent: July 2, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jin Wuk Kim
  • Patent number: 8455046
    Abstract: A fabricating method of a color filter array substrate includes the steps of forming a black matrix on a substrate, forming red, green, blue color filters on the substrate on which the black matrix is formed, forming an overcoat layer including a white color filter on the substrate on which the red, green, and blue color filters are formed, aligning a flat panel soft mold to the overcoat layer; and smoothing the overcoat layer using the flat panel soft mold.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: June 4, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Gyoo Chul Jo, Yong Sup Hwang, Jin Wuk Kim, Chang Hee Lee
  • 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: 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
  • 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: 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
  • 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