Patents by Inventor Kyoung-won Park

Kyoung-won 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).

  • Publication number: 20240237386
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 11, 2024
    Applicant: Samsung Display Co. Ltd.
    Inventors: Kyoung Won PARK, Sung Woon KIM, Soo Dong KIM, Jin Won KIM, Min Ki NAM
  • Publication number: 20240138176
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Samsung Display Co. Ltd.
    Inventors: Kyoung Won PARK, Sung Woon KIM, Soo Dong KIM, Jin Won KIM, Min Ki NAM
  • Patent number: 11903229
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Kyoung Won Park, Sung Woon Kim, Soo Dong Kim, Jin Won Kim, Min Ki Nam
  • Patent number: 11766548
    Abstract: Provided are phototherapeutic needle patches usable for phototherapy by using needle patches capable of injecting drugs or cosmetic substances to patients, and methods of manufacturing the same. A phototherapeutic needle patch may include a patch body attachable to skin of a patient, at least one microneedle protruding from the patch body, one end of the microneedle configured to deliver a drug through stratum corneum of the skin to inner tissues of the skin, and light grooves formed in a concave shape along a length direction of the microneedle in such a manner that therapeutic light radiated from a light source for phototherapy easily penetrates into the skin along the microneedle.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 26, 2023
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Myoung-Ryul Ok, So Yeon Kim, Yoon Ki Joung, Yu Chan Kim, Hyun Kwang Seok, Hyung-Seop Han, Hojeong Jeon, Hyunseon Seo, Inho Kim, Kyoung Won Park, Yongwoo Chung, Jaekyun Kim
  • Publication number: 20220384755
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Application
    Filed: August 9, 2022
    Publication date: December 1, 2022
    Applicant: Samsung Display Co. Ltd.
    Inventors: Kyoung Won PARK, Sung Woon KIM, Soo Dong KIM, Jin Won KIM, Min Ki NAM
  • Patent number: 11513385
    Abstract: A color conversion element and a display device including the same are provided. The color conversion element includes: a base substrate in which a first region and a second region are defined; a color conversion layer on the base substrate, in the first region, and including color conversion particles configured to convert a wavelength of incident light; and a color light transmitting layer on the base substrate and in the second region; wherein each of the color conversion particles includes a compound represented by Formula 1 (AmBnXl - - - (1)), where, in Formula 1, A is Cs, Rb, or an alloy thereof; B is at least one of Cu, Sb, Ge, Sn, and Bi, or an alloy thereof; m, n, and l are each an integer of 1 to 9; and X is at least one of F, Cl, Br, and I, or a mixture thereof.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoung Won Park, Min Ki Nam, Sung Woon Kim, Dong Han Song
  • Publication number: 20220298410
    Abstract: A quantum dot microcapsule according to an embodiment of the present invention includes one or more quantum dots each including a ligand coupled to an outer circumferential surface thereof, the ligand being made of an organic material, and a microcapsule accommodating the one or more quantum dots. The microcapsule includes an oil or a solvent with the quantum dots dispersed therein. There are effects capable of not only effectively adjusting a density of quantum dots through formation of a microcapsule formed to include one or more quantum dots and filled with an oil, but also effectively protecting ligands of the quantum dots from an environment such as oxygen, moisture or the like, against which the ligands are weak.
    Type: Application
    Filed: March 16, 2022
    Publication date: September 22, 2022
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Soon Hyung KWON, Kyoung Won PARK
  • Patent number: 11444258
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Kyoung Won Park, Sung Woon Kim, Soo Dong Kim, Jin Won Kim, Min Ki Nam
  • Publication number: 20220115567
    Abstract: A display device includes: a substrate; a plurality of pixels on the substrate, and each of the pixels including first to third sub-pixels each including at least one light emitting diode configured to emit light; and a color conversion layer including first to third color conversion patterns respectively corresponding to the first to third sub-pixels, each of the first to third color conversion patterns configured to transmit the light or convert the light into light of a different color. The light emitting diode of each of the first to third sub-pixels is coupled to a first electrode and a second electrode. At least one of the first to third color conversion patterns includes a perovskite compound.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventors: Jae Hong PARK, Sung Woon KIM, Min Ki NAM, Kyoung Won PARK, Dong Han SONG
  • Patent number: 11227980
    Abstract: A display device includes: a substrate; a plurality of pixels on the substrate, and each of the pixels including first to third sub-pixels each including at least one light emitting diode configured to emit light; and a color conversion layer including first to third color conversion patterns respectively corresponding to the first to third sub-pixels, each of the first to third color conversion patterns configured to transmit the light or convert the light into light of a different color. The light emitting diode of each of the first to third sub-pixels is coupled to a first electrode and a second electrode. At least one of the first to third color conversion patterns includes a perovskite compound.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: January 18, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hong Park, Sung Woon Kim, Min Ki Nam, Kyoung Won Park, Dong Han Song
  • Patent number: 11139348
    Abstract: A display device is provided. The display device includes a substrate; a light-emitting layer providing first light having a first wavelength; and a light converter disposed on the light-emitting layer, wherein the plurality of pixels include first, second, third, and fourth pixels which includes first and second subpixels, the light converter includes a first wavelength conversion layer and a second wavelength conversion layer disposed in the first pixel and the second pixel, respectively, a light-transmitting layer disposed in the third pixel, and a third wavelength conversion layer disposed in the first subpixel, the first wavelength conversion layer and the second wave length conversion layer include a first wavelength conversion material and a second wavelength conversion material which convert the first light into light having different wavelength, respectively, the third wavelength conversion layer includes the first and second wavelength conversion materials.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: October 5, 2021
    Inventors: Soo Dong Kim, Min Ki Nam, Sung Woon Kim, Kyoung Won Park, Su Jin Kim
  • Publication number: 20210220631
    Abstract: Provided are phototherapeutic needle patches usable for phototherapy by using needle patches capable of injecting drugs or cosmetic substances to patients, and methods of manufacturing the same. A phototherapeutic needle patch may include a patch body attachable to skin of a patient, at least one microneedle protruding from the patch body, one end of the microneedle configured to deliver a drug through stratum corneum of the skin to inner tissues of the skin, and light grooves formed in a concave shape along a length direction of the microneedle in such a manner that therapeutic light radiated from a light source for phototherapy easily penetrates into the skin along the microneedle.
    Type: Application
    Filed: January 21, 2021
    Publication date: July 22, 2021
    Inventors: Myoung-Ryul OK, So Yeon KIM, Yoon Ki JOUNG, Yu Chan KIM, Hyun Kwang SEOK, Hyung-Seop HAN, Hojeong JEON, Hyunseon SEO, Inho KIM, Kyoung Won PARK, Yongwoo CHUNG, Jaekyun KIM
  • Publication number: 20210135141
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Applicant: Samsung Display Co. Ltd.
    Inventors: Kyoung Won PARK, Sung Woon KIM, Soo Dong KIM, Jin Won KIM, Min Ki NAM
  • Patent number: 10916722
    Abstract: A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyoung Won Park, Sung Woon Kim, Soo Dong Kim, Jin Won Kim, Min Ki Nam
  • Publication number: 20200319516
    Abstract: A quantum dot, a color conversion panel, and a display device, the quantum dot including a core; and a shell layer positioned outside of the core, wherein at least one of the core and the shell layer is doped with aluminum, silicon, titanium, magnesium, or zinc, and the core includes a Group III-V compound.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Inventors: Kyoung Won PARK, Baek Hee LEE, Min Ki NAM, Hyeok Jin LEE, Keun Chan OH, Jae Jin LYU, Baek Kyun JEON, Sungjun KOH, Doh Chang LEE
  • Patent number: 10734453
    Abstract: According to an exemplary embodiment of the present inventive concept, a method of manufacturing a color conversion display panel includes forming a plurality of light blocking members on a substrate to partition a first region, a second region, and a third region. A blue light blocking filter is formed on the substrate of both the first region and the second region. A color conversion layer including quantum dots is formed on the blue light blocking filter. A transmissive layer is formed on the substrate of the third region. Water vapor is supplied to the color conversion layer, and a barrier layer is formed on the color conversion layer and the transmissive layer.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Won Kim, Sung Woon Kim, Song Yi Kim, Min Ki Nam, Kyoung Won Park
  • Patent number: 10725340
    Abstract: A quantum dot, a color conversion panel, and a display device, the quantum dot including a core; and a shell layer positioned outside of the core, wherein at least one of the core and the shell layer is doped with aluminum, silicon, titanium, magnesium, or zinc, and the core includes a Group III-V compound.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: July 28, 2020
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Kyoung Won Park, Baek Hee Lee, Min Ki Nam, Hyeok Jin Lee, Keun Chan Oh, Jae Jin Lyu, Baek Kyun Jeon, Sungjun Koh, Doh Chang Lee
  • Patent number: 10705271
    Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, wherein the color conversion panel includes a red color conversion layer and a green color conversion layer including a semiconductor nanocrystal, and a transmissive layer; a red color filter overlapping the red color conversion layer; a green color filter overlapping the green color conversion layer; and a blue color filter overlapping the transmissive layer and a light blocking member, and the light blocking member includes at least one of a blue dye and a blue pigment.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Dong Kim, Sung Woon Kim, Jang Wi Ryu, Kyoung Won Park
  • Publication number: 20200208254
    Abstract: Provided is a method of increasing corrosion resistance of a magnesium (Mg) member. The method includes preparing a Mg member, and ion-implanting a doping element into a surface of the Mg member. Herein, the doping element includes an element capable of increasing a Fermi energy level of magnesium oxide (MgO) when doped on MgO.
    Type: Application
    Filed: November 22, 2019
    Publication date: July 2, 2020
    Inventors: Yu Chan KIM, Hyun Kwang SEOK, SEUNG HEE HAN, Hojeong JEON, Myoung-Ryul OK, Hyunseon SEO, Kyoung Won PARK, Yeon Wook JUNG, Pil Ryung CHA
  • Publication number: 20200168668
    Abstract: A display device is provided. The display device includes a substrate; a light-emitting layer providing first light having a first wavelength; and a light converter disposed on the light-emitting layer, wherein the plurality of pixels include first, second, third, and fourth pixels which includes first and second subpixels, the light converter includes a first wavelength conversion layer and a second wavelength conversion layer disposed in the first pixel and the second pixel, respectively, a light-transmitting layer disposed in the third pixel, and a third wavelength conversion layer disposed in the first subpixel, the first wavelength conversion layer and the second wave length conversion layer include a first wavelength conversion material and a second wavelength conversion material which convert the first light into light having different wavelength, respectively, the third wavelength conversion layer includes the first and second wavelength conversion materials.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 28, 2020
    Inventors: Soo Dong KIM, Min Ki NAM, Sung Woon KIM, Kyoung Won PARK, Su Jin KIM