Patents by Inventor So-Young JO

So-Young JO 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: 11101462
    Abstract: The present invention provides a positive electrode active material for a secondary battery, a positive electrode for a secondary battery, and a secondary battery including the same, the positive electrode active material including a first lithium-nickel oxide particle having an average particle size (D50) of more than 8 ?m to 20 ?m or less, and a second lithium-nickel oxide particle having an average particle size (D50) of 8 ?m or less, wherein the first lithium-nickel oxide particle has a particle strength of 100 MPa to 250 MPa, the second lithium-nickel oxide particle has a particle strength of 50 MPa to 100 MPa, a ratio r of the strength of the first lithium-nickel oxide particle to the strength of the second lithium-nickel oxide particle satisfies Equation 1 set forth herein.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: August 24, 2021
    Inventors: Chi Ho Jo, Sin Young Park, Wang Mo Jung, Byung Chun Park, So Ra Baek
  • Patent number: 11063244
    Abstract: An electroluminescent display device comprises a substrate; a thin film transistor disposed on the substrate; an overcoat layer disposed on the thin film transistor; and a light-emitting diode electrically connected to the thin film transistor through the overcoat layer, wherein the light-emitting diode includes a first electrode, a light-emitting layer on the first electrode and a second electrode on the light-emitting layer, and an emissive area is an area in which the light-emitting layer emits light by the first electrode or the second electrode, wherein the overcoat layer includes a micro lens at a position corresponding to the emissive area, and the light-emitting diode conforms to a morphology of the micro lens, and wherein the first electrode includes a first region and a second region, the first region comprises an electrode layer, and the second region includes the electrode layer and an electrode pattern disposed under the electrode layer.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 13, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: So-Young Jo, Ji-Hyang Jang, Min-Geun Choi, Woo-Ram Youn
  • Publication number: 20210175290
    Abstract: An organic light emitting diode display device includes a substrate having first, second, third and fourth subpixels; first, second and third color filter layers in the second, third and fourth subpixels, respectively, on the substrate; a first wavelength converting layer in the first subpixel on the substrate and second and third wavelength converting layers on the first and second color filter layers, respectively; and a light emitting diode in each of the first, second, third and fourth subpixels over the first, second and third wavelength converting.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 10, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Ji-Hyang JANG, Tae-Shick KIM, So-Young JO, Jin-Tae KIM
  • Patent number: 10957877
    Abstract: An organic light emitting diode display device includes: a substrate including a plurality of pixel regions which each include an emission region and a non-emission region around the emission region; a plurality of scattering portions disposed on the substrate, corresponding to the emission region, and spaced apart from each other; a first overcoat layer disposed on the substrate having the plurality of scattering portions and including a plurality of concave portions which respectively correspond to the plurality of scattering portions; a first electrode disposed on the first overcoat layer in each of the plurality of pixel regions; and an organic light emitting layer and a second electrode sequentially disposed on the first electrode.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: March 23, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hyang Jang, So-Young Jo, Won-Hoe Koo
  • Patent number: 10903455
    Abstract: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.
    Type: Grant
    Filed: November 3, 2019
    Date of Patent: January 26, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soo-Kang Kim, Won-Hoe Koo, Ji-Hyang Jang, So-Young Jo
  • Patent number: 10903282
    Abstract: An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 26, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon Choi, So-Young Jo, Min-Geun Choi, Hee-Jung Yang, Soo-Kang Kim
  • Patent number: 10886432
    Abstract: A light emitting display device includes: a light emitting element that includes a light emitting layer between a first electrode and a second electrode; a wavelength conversion layer overlapping the light emitting element; and an uneven layer that includes a plurality of furrows between the light emitting element and the wavelength conversion layer, wherein a shortest distance between a bottom surface of the plurality of furrows and the wavelength conversion layer is 0.1 um or greater.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: January 5, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soo-Kang Kim, Won-Hoe Koo, Ji-Hyang Jang, So-Young Jo
  • Publication number: 20200303685
    Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Ji-Hyang JANG, So-Young JO, Won-Hoe KOO
  • Patent number: 10714709
    Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: July 14, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hyang Jang, So-Young Jo, Won-Hoe Koo
  • Publication number: 20200083482
    Abstract: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.
    Type: Application
    Filed: November 3, 2019
    Publication date: March 12, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Soo-Kang KIM, Won-Hoe KOO, Ji-Hyang JANG, So-Young JO
  • Patent number: 10522789
    Abstract: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 31, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Soo-Kang Kim, Won-Hoe Koo, Ji-Hyang Jang, So-Young Jo
  • Patent number: 10516002
    Abstract: An organic light emitting display device includes a substrate including a plurality of pixel regions, a light absorption material layer in a white pixel region of the plurality of pixel regions and including a light absorption dye, an overcoat layer on the light absorption material layer, a micro-lens structure at a top surface of the overcoat layer, and an emitting diode on the micro-lens structure, wherein the light absorption dye has a main absorption wavelength of about 500 to 640 nm.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 24, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: So-Young Jo, Soo-Kang Kim, Won-Hoe Koo
  • Publication number: 20190363220
    Abstract: A light emitting display device includes: a light emitting element that includes a light emitting layer between a first electrode and a second electrode; a wavelength conversion layer overlapping the light emitting element; and an uneven layer that includes a plurality of furrows between the light emitting element and the wavelength conversion layer, wherein a shortest distance between a bottom surface of the plurality of furrows and the wavelength conversion layer is 0.1 um or greater.
    Type: Application
    Filed: August 6, 2019
    Publication date: November 28, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Soo-Kang KIM, Won-Hoe KOO, Ji-Hyang JANG, So-Young JO
  • Publication number: 20190334126
    Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
    Type: Application
    Filed: July 8, 2019
    Publication date: October 31, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Ji-Hyang JANG, So-Young JO, Won-Hoe KOO
  • Patent number: 10418520
    Abstract: A light emitting display device includes: a light emitting element that includes a light emitting layer between a first electrode and a second electrode; a wavelength conversion layer overlapping the light emitting element; and an uneven layer that includes a plurality of furrows between the light emitting element and the wavelength conversion layer, wherein a shortest distance between a bottom surface of the plurality of furrows and the wavelength conversion layer is 0.1 um or greater.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: September 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Soo-Kang Kim, Won-Hoe Koo, Ji-Hyang Jang, So-Young Jo
  • Patent number: 10381601
    Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hyang Jang, So-Young Jo, Won-Hoe Koo
  • Publication number: 20190189966
    Abstract: An organic light emitting diode display device includes: a substrate including a plurality of pixel regions which each include an emission region and a non-emission region around the emission region; a plurality of scattering portions disposed on the substrate, corresponding to the emission region, and spaced apart from each other; a first overcoat layer disposed on the substrate having the plurality of scattering portions and including a plurality of concave portions which respectively correspond to the plurality of scattering portions; a first electrode disposed on the first overcoat layer in each of the plurality of pixel regions; and an organic light emitting layer and a second electrode sequentially disposed on the first electrode.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 20, 2019
    Inventors: Ji-Hyang JANG, So-Young JO, Won-Hoe KOO
  • Publication number: 20190165323
    Abstract: An electroluminescent display device comprises a substrate; a thin film transistor disposed on the substrate; an overcoat layer disposed on the thin film transistor; and a light-emitting diode electrically connected to the thin film transistor through the overcoat layer, wherein the light-emitting diode includes a first electrode, a light-emitting layer on the first electrode and a second electrode on the light-emitting layer, and an emissive area is an area in which the light-emitting layer emits light by the first electrode or the second electrode, wherein the overcoat layer includes a micro lens at a position corresponding to the emissive area, and the light-emitting diode conforms to a morphology of the micro lens, and wherein the first electrode includes a first region and a second region, the first region comprises an electrode layer, and the second region includes the electrode layer and an electrode pattern disposed under the electrode layer.
    Type: Application
    Filed: November 20, 2018
    Publication date: May 30, 2019
    Inventors: So-Young JO, Ji-Hyang JANG, Min-Geun CHOI, Woo-Ram YOUN
  • Publication number: 20190103442
    Abstract: An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
    Type: Application
    Filed: September 24, 2018
    Publication date: April 4, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon CHOI, So-Young JO, Min-Geun CHOI, Hee-Jung YANG, Soo-Kang KIM
  • Publication number: 20190077442
    Abstract: The present embodiment relates to an apparatus and method for processing a sensor signal and a steering control apparatus. In the sensor signal processing apparatus, an abnormality test is performed on three or more sensor signals (e.g., motor position sensor signals) by a sensor signal test module, and by the sensor signal selection module, a main sensor signal (e.g., a main normal motor position sensor signal) is selected on the basis of normal sensor signals (e.g., normal motor position sensor signals), validity of the selected main sensor signal is determined, and an output of the selected main sensor signal is controlled.
    Type: Application
    Filed: August 7, 2018
    Publication date: March 14, 2019
    Inventor: So Young JO