Patents by Inventor Jae Hoon Hwang

Jae Hoon Hwang 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: 20250010378
    Abstract: A chuck assembly according to an embodiment of the present invention includes: a rotary table on which a substrate is mounted; a rotating part concentric with a rotation center of the rotary table; and a chuck pin supporting the substrate, wherein the rotary table may include a protrusion protruding upward from a surface facing the substrate, the chuck pin may be coupled to the protrusion in such a way that the protrusion is drawn into the chuck pin, and the protrusion may be provided integrally with the surface of the rotary table facing the substrate.
    Type: Application
    Filed: July 3, 2024
    Publication date: January 9, 2025
    Inventors: Tae Woo KIM, Sang Su LEE, Jae Hoon HWANG
  • Publication number: 20240404842
    Abstract: The present disclosure provides a substrate processing apparatus provided with a rotating table for supporting and rotating a substrate and collection cups for collecting treatment solutions sprayed onto the substrate, which includes the collection cups disposed outside the rotating table and each provided therein with a space for collecting the treatment solution, one pair of lifting shafts connected to each of the collection cups, and one pair of driving modules connected to each of the lifting shafts, wherein an outermost third driving part among the driving modules is a motor driving type, an inner driving module disposed inside the third driving part is a hydraulic driving type, and a liftable height of a third collection cup connected to the third driving part and lifted by a third lifting shaft is higher than a liftable height of a collection cup lifted by the inner driving module.
    Type: Application
    Filed: May 23, 2024
    Publication date: December 5, 2024
    Inventors: Tae Woo KIM, Sang Su LEE, Jae Hoon HWANG
  • Publication number: 20230369080
    Abstract: A fluid supply nozzle for semiconductor substrate treatment, which supplies a treatment liquid in which a plurality of solutions are mixed to a semiconductor substrate, includes a nozzle body configured to mix the plurality of solutions to form a treatment liquid when the plurality of solutions are supplied into an inner space of the nozzle body, the nozzle body having a shape with an open upper portion, a solution supply channel with a plurality of solution supply pipes for supplying the plurality of solutions to the inner space, a solution guide device configured to guide the plurality of solutions and generate a rotary current or an eddy current to mix the plurality of solutions, and a rotary cartridge configured to accelerate the mixing of the plurality of solutions to generate a homogeneous treatment liquid.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 16, 2023
    Inventors: Tae Woo KIM, Sang Su LEE, Jae Hoon HWANG
  • Patent number: 11782013
    Abstract: A sensor device is for detecting metal. The sensor device may have a substrate, an electrode on the substrate, and a biopolymer-metal composite film on the electrode. The biopolymer-metal composite film may include a metal and a biopolymer. The sensor device may further have circuitry coupled to the electrode and configured to apply a sensing signal to the electrode.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: October 10, 2023
    Assignee: UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
    Inventors: Hyoung Jin Cho, Woo Hyoung Lee, Xiaochen Wang, Jae-Hoon Hwang, Pawan Pathak
  • Publication number: 20230180503
    Abstract: An embodiment provides a light emitting device including: a first electrode; a second electrode overlapping the first electrode in a plan view; and a light emitting part disposed between the first electrode and the second electrode. The second electrode includes a first layer disposed on the light emitting part and including a first organic material, and a metal thin film layer disposed on the first layer and including a first metal. The light emitting part includes an emission layer, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode. The first layer is disposed on the electron transport region.
    Type: Application
    Filed: August 31, 2022
    Publication date: June 8, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yoonseok KA, Ji Young MOON, Hakchoong LEE, Pilgu KANG, Dong Chan KIM, Ha Jin SONG, Jung Ho CHOI, Jae Hoon HWANG
  • Publication number: 20230157164
    Abstract: A light-emitting device includes: a first electrode; a second electrode that overlaps the first electrode; m emission parts positioned between the first electrode and the second electrode; and (m-1) charge generating layers disposed between adjacent emission parts.
    Type: Application
    Filed: August 31, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Seul Ong KIM, Yoonseok KA, Ha Jin SONG, Hakchoong LEE, Jae Hoon HWANG
  • Patent number: 11605677
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Hee Lee, Hyun Shik Lee, Seung Wook Chang, Byoung Seong Jeong, Sang Woo Pyo, Jae Hoon Hwang, Ji Hwan Yoon
  • Publication number: 20230038628
    Abstract: A light emitting device includes: a first electrode; a second electrode overlapping the first electrode; m light emitting units between the first electrode and the second electrode; and m-1 charge generating layers between adjacent light emitting units, wherein the charge generating layer includes: an n-type charge generating layer and a p-type charge generating layer; at least one of a plurality of n-type charge generating layers includes a dopant including an alkali metal, and at least one of a plurality of n-type charge generating layers includes a dopant including a lanthanum metal; contents of the alkali metal and the lanthanum metal doped in the n-type charge generating layer are different from each other; and the m is a natural number of greater than or equal to 3.
    Type: Application
    Filed: June 6, 2022
    Publication date: February 9, 2023
    Inventors: Won Suk HAN, Nam Su KANG, Heung Su PARK, Hui Ju PARK, Song Eun LEE, Hyun Shik LEE, Jae Hoon HWANG
  • Patent number: 11056667
    Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ho Choi, Nam Su Kang, Yi Seul Kim, Heung Su Park, Hyun Shik Lee, Heun Seung Lee, Jae Hoon Hwang
  • Publication number: 20210151510
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 20, 2021
    Inventors: Young Hee LEE, Hyun Shik LEE, Seung Wook CHANG, Byoung Seong JEONG, Sang Woo PYO, Jae Hoon HWANG, Ji Hwan YOON
  • Patent number: 10985220
    Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.
    Type: Grant
    Filed: July 14, 2019
    Date of Patent: April 20, 2021
    Inventors: Sang Woo Lee, Heung Su Park, Ji Hwan Yoon, Jae Hoon Hwang
  • Patent number: 10923538
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Hee Lee, Hyun Shik Lee, Seung Wook Chang, Byoung Seong Jeong, Sang Woo Pyo, Jae Hoon Hwang, Ji Hwan Yoon
  • Patent number: 10811463
    Abstract: A light emitting display device includes a substrate that includes a first pixel, a second pixel, a third pixel, and an infrared ray emission portion, the first pixel, the second pixel, and the third pixel representing different colors, a first electrode on the substrate, a second electrode that overlaps the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The emission layer may include a first emission layer in the first pixel and an infrared ray emission layer in the infrared ray emission portion, the auxiliary layer may include a first auxiliary layer in the first pixel, and the infrared ray emission layer and the first auxiliary layer may include the same material.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo Yeon Kim, Yi Seul Kim, Heun Seung Lee, Ji Hwan Yoon, Jae Hoon Hwang
  • Publication number: 20200328256
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Application
    Filed: January 13, 2020
    Publication date: October 15, 2020
    Inventors: Young Hee LEE, Hyun Shik LEE, Seung Wook CHANG, Byoung Seong JEONG, Sang Woo PYO, Jae Hoon HWANG, Ji Hwan YOON
  • Publication number: 20200185638
    Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 11, 2020
    Inventors: Jung Ho CHOI, Nam Su KANG, Yi Seul KIM, Heung Su PARK, Hyun Shik LEE, Heun Seung LEE, Jae Hoon HWANG
  • Publication number: 20200049652
    Abstract: A sensor device is for detecting metal. The sensor device may have a substrate, an electrode on the substrate, and a biopolymer-metal composite film on the electrode. The biopolymer-metal composite film may include a metal and a biopolymer. The sensor device may further have circuitry coupled to the electrode and configured to apply a sensing signal to the electrode.
    Type: Application
    Filed: August 6, 2019
    Publication date: February 13, 2020
    Inventors: HYOUNG JIN CHO, Woo Hyoung Lee, Xiaochen Wang, Jae-Hoon Hwang, Pawan Pathak
  • Publication number: 20190341434
    Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.
    Type: Application
    Filed: July 14, 2019
    Publication date: November 7, 2019
    Inventors: Sang Woo Lee, Heung Su Park, Ji Hwan Yoon, Jae Hoon Hwang
  • Patent number: 10461133
    Abstract: A light emitting display device includes: a first electrode positioned on a substrate; a second electrode overlapping the first electrode; a red emission layer, a green emission layer, a blue emission layer, and an infrared ray emission layer emitting light of different wavelengths and positioned between the first electrode and the second electrode; a green resonance auxiliary layer positioned between the green emission layer and the first electrode; and a blocking layer positioned between the green resonance auxiliary layer and the green emission layer, wherein the infrared ray emission layer and the green resonance auxiliary layer include the same material, and LUMO energy of the blocking layer is larger than LUMO energy of a green light emitting dopant included in the green emission layer.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heun Seung Lee, Hyo Yeon Kim, Hyun Shik Lee, Jae Hoon Hwang
  • Patent number: 10388706
    Abstract: A light emitting display device includes a substrate having a first pixel, a second pixel, a third pixel, and an infrared emission portion. The first, second, and third pixels emit light of different colors. The light emitting device also includes a first electrode on the substrate, a second electrode overlapping the first electrode, an emission layer between the first electrode and the second electrode, and an auxiliary layer between the first electrode and the emission layer. The auxiliary layer includes a first auxiliary layer on the first pixel and a second auxiliary layer in the infrared emission portion. The first auxiliary layer and second auxiliary layer include a same material.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Woo Lee, Heung Su Park, Ji Hwan Yoon, Jae Hoon Hwang
  • Publication number: 20190096959
    Abstract: A light emitting display device includes: a first electrode positioned on a substrate; a second electrode overlapping the first electrode; a red emission layer, a green emission layer, a blue emission layer, and an infrared ray emission layer emitting light of different wavelengths and positioned between the first electrode and the second electrode; a green resonance auxiliary layer positioned between the green emission layer and the first electrode; and a blocking layer positioned between the green resonance auxiliary layer and the green emission layer, wherein the infrared ray emission layer and the green resonance auxiliary layer include the same material, and LUMO energy of the blocking layer is larger than LUMO energy of a green light emitting dopant included in the green emission layer.
    Type: Application
    Filed: March 13, 2018
    Publication date: March 28, 2019
    Inventors: Heun Seung LEE, Hyo Yeon KIM, Hyun Shik LEE, Jae Hoon HWANG