Patents by Inventor Tae-Shick Kim

Tae-Shick Kim 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: 20210217818
    Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.
    Type: Application
    Filed: March 9, 2021
    Publication date: July 15, 2021
    Inventors: Ji-Hyang JANG, Won-Hoe KOO, Tae-Shick KIM
  • Publication number: 20210202598
    Abstract: A display device, includes a substrate having at least two colored subpixels and a white subpixel separately arranged thereon; a first anode having a first thickness at each of the colored subpixels on the substrate; a second anode, having a thickness smaller than the first thickness, at the white subpixel on the substrate; an organic stack comprising a first stack having a first blue emission layer, a second stack having a second blue emission layer, and a third stack having at least one of emission layers having a longer wavelength than the blue emission layers, which are provided in sequence on the first anode in the colored subpixel and the second anode in the white subpixel; a cathode over the organic stack; and a compensation pattern between the second anode and the substrate.
    Type: Application
    Filed: December 21, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Mi-Young HAN, Jung-Keun KIM, Tae-Shick KIM
  • Publication number: 20210175457
    Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 10, 2021
    Inventors: Eun-Jung PARK, Jung-Keun KIM, Wook SONG, Tae-Shick KIM
  • 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: 10971558
    Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 6, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji-Hyang Jang, Won-Hoe Koo, Tae-Shick Kim
  • Publication number: 20210013266
    Abstract: An organic light emitting diode display device includes an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 14, 2021
    Applicant: LG Display Co., Ltd
    Inventors: Kang-Ju LEE, Seung-Ryong JOUNG, Seong-Su JEON, Tae-Shick KIM
  • Patent number: 10826024
    Abstract: An organic light emitting diode lighting apparatus can include a substrate having an emitting area and first and second non-emitting areas; an auxiliary electrode in the first non-emitting area on the substrate; an overcoating layer in the emitting area on the substrate, the overcoating layer having a microlens including a plurality of convex portions and a plurality of concave portions; a first electrode on the auxiliary electrode and the overcoating layer, the first electrode including at least one open portion exposing the overcoating layer in the second non-emitting area; a gas blocking pattern covering the at least one open portion; and a light emitting layer and a second electrode disposed on the first electrode and the gas blocking pattern.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: November 3, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Tae-Shick Kim
  • Patent number: 10811469
    Abstract: An organic light emitting diode display device includes: an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode and including a first emitting material layer; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Seung-Ryong Joung, Seong-Su Jeon, Tae-Shick Kim
  • Patent number: 10734598
    Abstract: Disclosed is an organic light-emitting element and organic light-emitting display device using the same, which has light transmission, is capable of reducing the resistance of the element, and is reliable regardless of variation in temperature or environment.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: August 4, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Seok-Hyun Kim, Eun-Jung Park, Tae-Shick Kim
  • Publication number: 20200058709
    Abstract: An organic light emitting diode display device includes: an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode and including a first emitting material layer; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 20, 2020
    Applicant: LG Display Co., Ltd
    Inventors: Kang-Ju LEE, Seung-Ryong JOUNG, Seong-Su JEON, Tae-Shick KIM
  • Publication number: 20200058708
    Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 20, 2020
    Inventors: Ji-Hyang JANG, Won-Hoe KOO, Tae-Shick KIM
  • Patent number: 10547020
    Abstract: A white organic light emitting device, which is increased in color gamut and lifespan, is discussed and an organic light emitting display device using the same and in a stack having different emission layers disposed in contact with each other, particular properties of a host and a dopant in a major emission layer are used.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: January 28, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Seung Jang, Tae-Shick Kim, Hyung-June Kim, Min Yun, Tae-Seok Lim
  • Patent number: 10516128
    Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: December 24, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Mi-Young Han, Chang Wook Han, Tae Il Kum, Gwi Jeong Cho, Tae Shick Kim, Se Ung Kim, Hee Dong Choi
  • Publication number: 20190372056
    Abstract: An organic light emitting diode lighting apparatus can include a substrate having an emitting area and first and second non-emitting areas; an auxiliary electrode in the first non-emitting area on the substrate; an overcoating layer in the emitting area on the substrate, the overcoating layer having a microlens including a plurality of convex portions and a plurality of concave portions; a first electrode on the auxiliary electrode and the overcoating layer, the first electrode including at least one open portion exposing the overcoating layer in the second non-emitting area; a gas blocking pattern covering the at least one open portion; and a light emitting layer and a second electrode disposed on the first electrode and the gas blocking pattern.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Kang-Ju LEE, Tae-Shick KIM
  • Patent number: 10431765
    Abstract: Disclosed are a tandem white organic light emitting diode with long lifespan and low driving voltage, and a display device including the same. The white organic light emitting diode includes a first light emitting part, a second light emitting part and a third light emitting part disposed between a first electrode and a second electrode. The first and third light emitting parts include a blue light emitting layer and the second light emitting part includes a red light emitting layer and a yellow-green light emitting layer. At least one layer of the red light emitting layer and the yellow-green light emitting layer includes a hole transport host based on a compound shown below: wherein each of R1, R2, and R3 are independently selected from hydrogen, heavy hydrogen, a C5-C7 aromatic cyclic and C1-C6 heterocyclic group.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: October 1, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Young Kim, Youn-Seok Kam, Ki-Woog Song, Tae-Shick Kim, Min-Gyu Lee, Tae-Seok Lim
  • Patent number: 10431776
    Abstract: A white organic light emitting diode (OLED) includes a first electrode and a second electrode facing each other; a first charge generation layer and a second charge generation layer between the first and second electrodes; a first light emitting unit including a first emitting material layer emitting a first color, wherein the first light emitting unit is located between the first electrode and the first charge generation layer; a second light emitting unit including a second emitting material layer emitting a second color, wherein the second light emitting unit is located between the first charge generation layer and the second charge generation layer; and a third light emitting unit including a third emitting material layer emitting the second color, wherein the third light emitting unit is located between the second charge generation layer and the second electrode.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: October 1, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki-Woog Song, Sung-Hoon Pieh, Seung-Ryong Joung, Tae-Il Kum, So-Yeon Ahn, Tae-Shick Kim
  • Patent number: 10347858
    Abstract: A white organic light emitting device includes a first emission part between a first electrode and a second electrode, and configured to include a first emission layer, the first electrode being a reflective electrode, a second emission part on the first emission part, and configured to include a second emission layer, and a third emission part on the second emission part, and configured to include a third emission layer.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: July 9, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki-Woog Song, Sung Hoon Pieh, Youn Seok Kam, Tae Shick Kim, Se Ung Kim, Hyung June Kim
  • Publication number: 20190165304
    Abstract: Disclosed is an organic light-emitting element and organic light-emitting display device using the same, which has light transmission, is capable of reducing the resistance of the element, and is reliable regardless of variation in temperature or environment.
    Type: Application
    Filed: August 29, 2018
    Publication date: May 30, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Seok-Hyun Kim, Eun-Jung Park, Tae-Shick Kim
  • Publication number: 20180212178
    Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
    Type: Application
    Filed: March 20, 2018
    Publication date: July 26, 2018
    Inventors: Mi-Young HAN, Chang Wook HAN, Tae Il KUM, Gwi Jeong CHO, Tae Shick KIM, Se Ung KIM, Hee Dong CHOI
  • Publication number: 20180205029
    Abstract: A white organic light emitting device includes a first emission part between a first electrode and a second electrode, and configured to include a first emission layer, the first electrode being a reflective electrode, a second emission part on the first emission part, and configured to include a second emission layer, and a third emission part on the second emission part, and configured to include a third emission layer.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ki-Woog SONG, Sung Hoon PIEH, Youn Seok KAM, Tae Shick KIM, Se Ung KIM, Hyung June KIM