Patents by Inventor Seung-Ryull Park

Seung-Ryull Park 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: 11437725
    Abstract: A flat panel antenna includes a first substrate on which a radiation patch and a ground plane are provided; a second substrate; a liquid crystal layer between the first substrate and the second substrate; and a feed portion adjacent to the second substrate, wherein the ground plane includes a slot, wherein the feed portion includes a first spacing part, a second spacing part and a feed line between the first spacing part and the second spacing part, and wherein a thickness of the first substrate is greater than a thickness of the second substrate.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: September 6, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Min-Geun Choi, Seung-Ryull Park, Soo-In Jo, Lae-Bong Jang
  • Publication number: 20210028545
    Abstract: A flat panel antenna includes a first substrate on which a radiation patch and a ground plane are provided; a second substrate; a liquid crystal layer between the first substrate and the second substrate; and a feed portion adjacent to the second substrate, wherein the ground plane includes a slot, wherein the feed portion includes a first spacing part, a second spacing part and a feed line between the first spacing part and the second spacing part, and wherein a thickness of the first substrate is greater than a thickness of the second substrate.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 28, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Min-Geun CHOI, Seung-Ryull PARK, Soo-In JO, Lae-Bong JANG
  • Patent number: 10795207
    Abstract: An example of the present invention provides a quantum rod layer including: a photo-induced polymer including a base polymer aligned along a first direction and a photo-reactive group combined to the base polymer; and a quantum rod aligned along the first direction.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: October 6, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Ryull Park, Hyun-Jin Park, Han-Jin Ahn
  • Publication number: 20170031211
    Abstract: An example of the present invention provides a quantum rod layer including: a photo-induced polymer including a base polymer aligned along a first direction and a photo-reactive group combined to the base polymer; and a quantum rod aligned along the first direction.
    Type: Application
    Filed: December 30, 2015
    Publication date: February 2, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Ryull Park, Hyun-Jin Park, Han-Jin Ahn
  • Patent number: 9223178
    Abstract: A liquid crystal display device includes an array substrate including gate and data lines crossing each other on a first substrate to define a pixel region, and a thin film transistor and a pixel electrode in the pixel region, a color filter substrate including a black matrix on a second substrate and including an opening corresponding to the pixel region, and a color filter layer filling the opening, and a liquid crystal layer including a first patterned spacer contacting the array substrate and the color filter substrate, and corresponding to the thin film transistor of the array substrate, and a second patterned spacer having a first width along a length direction of the gate line, and a second width along a width direction of the gate line, contacting the color filter substrate and being spaced apart from the array substrate, and corresponding to the gate line.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: December 29, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: So-Young Noh, Seung-Ryull Park, Jin-Pil Kim
  • Patent number: 9151992
    Abstract: A color filter substrate includes a substrate in which a plurality of pixel areas are defined; a black matrix formed on the substrate, and having a plurality of openings in correspondence to the pixel areas; a color filter layer formed on the substrate, and including a red color filter, a green color filter, and a blue color filter that are sequentially arranged in a first direction in correspondence to the pixel areas; and a plurality of first column spacers and a plurality of second column spacers formed over the black matrix, and having different heights, wherein a height of each of the first column spacers is higher than a height of each of the second column spacers, and an arrangement density of the first column spacers is lower than an arrangement density of the second column spacers.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: October 6, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Min-Kyung Lee, Jae-Kyun Lee, Seung-Ryull Park, Kyung-Mo Son, Ji-Hye Lee, Jeong-Gi Yun
  • Patent number: 9057907
    Abstract: A mask for forming a black matrix for a display device that includes a data line having a bending structure with respect to a central portion of a pixel region includes a edge frame having a rectangular shape, and a base plate disposed on the edge frame and including a light-transmitting portion and a light-blocking portion, wherein the light-transmitting portion includes first light-transmitting patterns and light-controlling portions between adjacent first light-transmitting patterns, and the light-transmitting portion further includes a bending portion corresponding to the central portion of the pixel region, and wherein the bending portion is disposed with a same distance from the light-transmitting patterns adjacent thereto.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: June 16, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Jin-Pil Kim, Seung-Ryull Park, So-Young Noh, Jin-Bok Lee
  • Publication number: 20140085558
    Abstract: A color filter substrate includes a substrate in which a plurality of pixel areas are defined; a black matrix formed on the substrate, and having a plurality of openings in correspondence to the pixel areas; a color filter layer formed on the substrate, and including a red color filter, a green color filter, and a blue color filter that are sequentially arranged in a first direction in correspondence to the pixel areas; and a plurality of first column spacers and a plurality of second column spacers formed over the black matrix, and having different heights, wherein a height of each of the first column spacers is higher than a height of each of the second column spacers, and an arrangement density of the first column spacers is lower than an arrangement density of the second column spacers.
    Type: Application
    Filed: December 26, 2012
    Publication date: March 27, 2014
    Inventors: Min-Kyung LEE, Jae-Kyun LEE, Seung-Ryull PARK, Kyung-Mo SON, Ji-Hye LEE, Jeong-Gi YUN
  • Patent number: 8551674
    Abstract: A photomask for a proximate type exposure apparatus includes: a transparent substrate; and a transcribing pattern and a peripheral region surrounding the transcribing pattern on the transparent substrate, the transcribing pattern having at least one bar including a plurality of discontinuous regions and a plurality of light controlling regions between the two adjacent discontinuous regions, the plurality of discontinuous regions capable of forming at least one continuous photoresist bar by exposing and developing a photoresist material.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: October 8, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: So-Young Noh, Seung-Ryull Park, Jin-Pil Kim
  • Patent number: 8426229
    Abstract: Disclosed is a method of fabricating a LCD device that includes forming sacrifice layer patterns in a pixel region while forming a gate line, a first storage electrode, and a gate pad on a substrate; sequentially forming a gate insulation film, an amorphous silicon film, an impurity-doped amorphous silicon film, and a source/drain metal film on a substrate, forming a transparent conductive material on the substrate covered with a protection and then patterning the transparent conductive material to form a second storage electrode overlapping the first storage electrode and an electrode pattern having a part overlapping an area of one side edge of the sacrifice layer patterns and the other part formed on the substrate; and simultaneously forming a common electrode and a pixel electrode in the pixel region by performing a lift-off process to remove the sacrifice layer patterns on the substrate where the electrode pattern is formed.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: April 23, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Seung Ryull Park, Kyung Mo Son
  • Publication number: 20120268813
    Abstract: A mask for forming a black matrix for a display device that includes a data line having a bending structure with respect to a central portion of a pixel region includes a edge frame having a rectangular shape, and a base plate disposed on the edge frame and including a light-transmitting portion and a light-blocking portion, wherein the light-transmitting portion includes first light-transmitting patterns and light-controlling portions between adjacent first light-transmitting patterns, and the light-transmitting portion further includes a bending portion corresponding to the central portion of the pixel region, and wherein the bending portion is disposed with a same distance from the light-transmitting patterns adjacent thereto.
    Type: Application
    Filed: November 23, 2011
    Publication date: October 25, 2012
    Inventors: Jin-Pil Kim, Seung-Ryull Park, So-Young Noh, Jin-Bok Lee
  • Patent number: 8253916
    Abstract: An LCD device according to the present invention includes having first and second substrates facing each other gate and data lines crossing each other to define a pixel region, a thin film transistor including a gate electrode protruding from the gate line, a source electrode protruding from the data line and a drain electrode spaced from the source electrode at a predetermined interval, a metal pattern over a predetermined portion of the gate line, a passivation layer over the data line and the metal pattern to have a contact hole exposing the drain electrode and a storage hole exposing the metal pattern, a pixel electrode on the pixel region over the contact hole and the storage hole, a column spacer contacting with the pixel electrode through the storage hole and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: August 28, 2012
    Inventors: Seung Ryull Park, Joon Dong Lee
  • Patent number: 8233120
    Abstract: A liquid crystal display device includes gate and data lines defining a pixel region on a first substrate. A first insulating layer covers the gate line and a gate electrode. A thin film transistor, formed at a crossing region of the gate and data lines, has the gate electrode, a semiconductor layer, a source electrode, and a drain electrode. A red, green or blue color filter is formed over the first insulating layer in the pixel region. A drain contact hole exposes the drain electrode. A light-shielding color filter pattern including at least two of red, green and blue resins is formed over the semiconductor layer. A pixel electrode is formed over the color filter in the pixel region and contacts the drain electrode. A common electrode is formed on a second substrate facing the first substrate with a liquid crystal layer interposed between the common and pixel electrodes.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: July 31, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Woong-Kwon Kim, Seung-Ryull Park
  • Patent number: 8212976
    Abstract: A liquid crystal display device includes opposing substrates. One of the substrates has a thin film transistor and a color filter formed thereon. A spacer formed between the substrates maintains a cell gap. A light shielding layer is formed at a lower portion of the spacer and overlaps the thin film transistor. The light shielding layer has a pattern substantially identical to the spacer. The light shielding layer and the spacer are simultaneously formed using the same photolithographic process steps.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: July 3, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Seung Ryull Park
  • Publication number: 20120099073
    Abstract: A rubbing method and a method of fabricating a liquid crystal display (LCD) device using the same are discussed. The rubbing method is capable of decreasing disclination and rubbing tails resulting from a pattern of a high stair-step such as a column spacer. The rubbing method includes loading a substrate having an alignment layer formed thereon on a stage; performing a primary rubbing process on the alignment layer, by rotating a first rubbing roll on which a first rubbing cloth is rolled, in an opposite direction to a forming direction of a desired pretilt angle; and performing a secondary rubbing process on the primarily-rubbed alignment layer, by rotating a second rubbing roll on which a second rubbing cloth is rolled, in the forming direction of the desired pretilt angle.
    Type: Application
    Filed: October 20, 2011
    Publication date: April 26, 2012
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Ryull PARK, So-Young NOH, Sung-Ki KIM, Jin-Pil KIM, Kyung-Mo SON, Jae-Won LEE
  • Publication number: 20120099059
    Abstract: A liquid crystal display device includes gate and data lines defining a pixel region on a first substrate. A first insulating layer covers the gate line and a gate electrode. A thin film transistor, formed at a crossing region of the gate and data lines, has the gate electrode, a semiconductor layer, a source electrode, and a drain electrode. A red, green or blue color filter is formed over the first insulating layer in the pixel region. A drain contact hole exposes the drain electrode. A light-shielding color filter pattern including at least two of red, green and blue resins is formed over the semiconductor layer. A pixel electrode is formed over the color filter in the pixel region and contacts the drain electrode. A common electrode is formed on a second substrate facing the first substrate with a liquid crystal layer interposed between the common and pixel electrodes.
    Type: Application
    Filed: January 4, 2012
    Publication date: April 26, 2012
    Applicant: LG Display Co., Ltd.
    Inventors: Woong-Kwon Kim, Seung-Ryull Park
  • Publication number: 20120081641
    Abstract: A liquid crystal display device includes an array substrate including gate and data lines crossing each other on a first substrate to define a pixel region, and a thin film transistor and a pixel electrode in the pixel region, a color filter substrate including a black matrix on a second substrate and including an opening corresponding to the pixel region, and a color filter layer filling the opening, and a liquid crystal layer including a first patterned spacer contacting the array substrate and the color filter substrate, and corresponding to the thin film transistor of the array substrate, and a second patterned spacer having a first width along a length direction of the gate line, and a second width along a width direction of the gate line, contacting the color filter substrate and being spaced apart from the array substrate, and corresponding to the gate line.
    Type: Application
    Filed: June 14, 2011
    Publication date: April 5, 2012
    Inventors: So-Young Noh, Seung-Ryull Park, Jin-Pil Kim
  • Patent number: 8107038
    Abstract: A liquid crystal display device includes gate and data lines defining a pixel region on a first substrate. A first insulating layer covers the gate line and a gate electrode. A thin film transistor, formed at a crossing region of the gate and data lines, has the gate electrode, a semiconductor layer, a source electrode, and a drain electrode. A red, green or blue color filter is formed over the first insulating layer in the pixel region. A drain contact hole exposes the drain electrode. A light-shielding color filter pattern including at least two of red, green and blue resins is formed over the semiconductor layer. A pixel electrode is formed over the color filter in the pixel region and contacts the drain electrode. A common electrode is formed on a second substrate facing the first substrate with a liquid crystal layer interposed between the common and pixel electrodes.
    Type: Grant
    Filed: December 10, 2003
    Date of Patent: January 31, 2012
    Assignee: LG Display Co. Ltd.
    Inventors: Woong-Kwon Kim, Seung-Ryull Park
  • Publication number: 20120021342
    Abstract: A photomask for a proximate type exposure apparatus includes: a transparent substrate; and a transcribing pattern and a peripheral region surrounding the transcribing pattern on the transparent substrate, the transcribing pattern having at least one bar including a plurality of discontinuous regions and a plurality of light controlling regions between the two adjacent discontinuous regions, the plurality of discontinuous regions capable of forming at least one continuous photoresist bar by exposing and developing a photoresist material.
    Type: Application
    Filed: July 21, 2011
    Publication date: January 26, 2012
    Inventors: So-Young NOH, Seung-Ryull Park, Jin-Pil Kim
  • Patent number: 8035766
    Abstract: An array substrate device having a color filter-on thin film transistor (COT) structure for a liquid crystal display device includes a gate line formed on a substrate along a transverse direction, the gate line including a gate pad at one end thereof, a first insulating layer formed on the substrate to cover the gate line, the first insulating layer exposing a first portion of the gate pad, a data line formed over the first insulating layer along a longitudinal direction on the substrate, the data line defining a pixel region with the gate line and including a data pad at one end thereof, a thin film transistor formed at a crossing region of the gate and data lines, the thin film transistor including a gate electrode, a semiconductor layer, a source electrode, and a drain electrode, a black matrix overlapping the thin film transistor, the gate line, and the data line except a second portion of the drain electrode, a second insulating layer formed over an entire surface of the substrate to cover the black matr
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: October 11, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Woong-Kwon Kim, Youn-Gyoung Chang, Seung-Ryull Park