Patents by Inventor Chul Min Bae

Chul Min Bae 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: 20240147768
    Abstract: A pixel includes: a via layer disposed on a substrate; a first electrode disposed on the via layer; a pixel defining layer disposed on the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; an emission layer disposed on the portion of the first electrode and the pixel defining layer; and a second electrode disposed on the emission layer. The first electrode includes a first layer disposed on the via layer and a second layer disposed between the first layer and the pixel defining layer. The first layer includes a plurality of sub-insulating layers, each of the plurality of sub-insulating layers including a first sub-layer and a second sub-layer that are sequentially stacked. The first sub-layer and the second sub-layer have different refractive indices.
    Type: Application
    Filed: June 14, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Hyun Eok SHIN, Chul Min BAE
  • Patent number: 11943994
    Abstract: A display device and a method of manufacturing the same are provided. The display device, comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, at least one transistor disposed on the second base substrate, and an organic light emitting diode disposed on the at least one transistor, wherein the first barrier layer includes a silicon oxide, and has an adhesion force of 200 gf/inch or more to the second base substrate.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Min Bae, Eun Jin Kwak, Jin Suk Lee, Jung Yun Jo, Ji Hye Han, Young In Hwang
  • Publication number: 20240081404
    Abstract: Provided is a heater for an aerosol-generating device including a first electrically conductive pattern configured to perform heating and a second electrically conductive pattern arranged in parallel with the first electrically conductive pattern. The first electrically conductive pattern and/or the second electrically conductive pattern may include a material having a relatively small resistance temperature coefficient. Accordingly, a temperature increase rate of the heater may be greatly improved.
    Type: Application
    Filed: January 13, 2022
    Publication date: March 14, 2024
    Applicant: KT&G CORPORATION
    Inventors: Jong Seong JEONG, Gyoung Min GO, Hyung Jin BAE, Jang Won SEO, Chul Ho JANG, Min Seok JEONG, Jin Chul JUNG
  • Publication number: 20230197853
    Abstract: A display device includes a buffer layer disposed on a substrate and comprising a first buffer film, and a second buffer film, wherein the first buffer film and the second buffer film are sequentially stacked in a thickness direction of the display device; a semiconductor pattern disposed on the buffer layer; a gate insulating layer disposed on the semiconductor pattern; and a gate electrode disposed on the gate insulating layer, wherein the first buffer film and the second buffer film comprise a same material, and a density of the first buffer film is greater than a density of the second buffer film.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 22, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Jung Yun JO, Chul Min BAE
  • Publication number: 20230086507
    Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 23, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Chul Min BAE, Chang Ok KIM
  • Patent number: 11532682
    Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hye Han, Chul Min Bae, Chang Ok Kim
  • Publication number: 20220278288
    Abstract: A method of manufacturing a display device includes providing an inorganic layer on a carrier substrate, providing a first flexible substrate on the inorganic layer, providing a first shielding layer including a metal on the first flexible substrate, providing a first barrier layer on the first shielding layer, and providing a thin film transistor layer on the first barrier layer. The inorganic layer includes at least one material selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy), and a thickness of the inorganic layer is in a range from about 10 ? to about 6000 ?.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Inventors: Yeoung Keol WOO, Yung Bin CHUNG, Chul Min BAE, Ji Hye HAN, Eun Jin KWAK
  • Patent number: 11335869
    Abstract: A method of manufacturing a display device includes providing an inorganic layer on a carrier substrate, providing a first flexible substrate on the inorganic layer, providing a first shielding layer including a metal on the first flexible substrate, providing a first barrier layer on the first shielding layer, and providing a thin film transistor layer on the first barrier layer. The inorganic layer includes at least one material selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy), and a thickness of the inorganic layer is in a range from about 10 ? to about 6000 ?.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeoung Keol Woo, Yung Bin Chung, Chul Min Bae, Ji Hye Han, Eun Jin Kwak
  • Publication number: 20220140262
    Abstract: A display device and a method of manufacturing the same are provided. The display device, comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, at least one transistor disposed on the second base substrate, and an organic light emitting diode disposed on the at least one transistor, wherein the first barrier layer includes a silicon oxide, and has an adhesion force of 200 gf/inch or more to the second base substrate.
    Type: Application
    Filed: August 17, 2021
    Publication date: May 5, 2022
    Inventors: Chul Min BAE, Eun Jin KWAK, Jin Suk LEE, Jung Yun JO, Ji Hye HAN, Young In HWANG
  • Publication number: 20220052078
    Abstract: Provided is a display device. The display device comprises a first substrate, wherein a first contact hole is defined in the first substrate, a barrier layer on the first substrate, wherein a second contact hole is defined in the barrier layer and connected to the first contact hole, a first connection line on the barrier layer and inserted into the second contact hole, a second substrate covering the first connection line and the barrier layer, and a thin-film transistor layer on the second substrate and including at least one thin-film transistor. The thin-film transistor layer further includes a second connection line connected between the first connection line and the at least one thin-film transistor.
    Type: Application
    Filed: July 29, 2021
    Publication date: February 17, 2022
    Inventors: Ji Hyun KIM, Tae Wook KANG, Chul Min BAE
  • Publication number: 20210375836
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Application
    Filed: August 17, 2021
    Publication date: December 2, 2021
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20210359136
    Abstract: A display device includes a buffer layer disposed on a substrate and comprising a first buffer film, and a second buffer film, wherein the first buffer film and the second buffer film are sequentially stacked in a thickness direction of the display device; a semiconductor pattern disposed on the buffer layer; a gate insulating layer disposed on the semiconductor pattern; and a gate electrode disposed on the gate insulating layer, wherein the first buffer film and the second buffer film comprise a same material, and a density of the first buffer film is greater than a density of the second buffer film.
    Type: Application
    Filed: January 14, 2021
    Publication date: November 18, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Jung Yun JO, Chul Min BAE
  • Publication number: 20210296417
    Abstract: A display device according to an embodiment includes: a substrate; a first compensation layer on the substrate; a buffer layer on the first compensation layer; a semiconductor layer on the buffer layer; a data wire including a source electrode and a drain electrode connected to the semiconductor layer; and a light-emitting device connected to the drain electrode, wherein the first compensation layer includes a SiNx, and a ratio of a N—H bond and a Si—H bond of the first compensation layer is 10 to 60.
    Type: Application
    Filed: December 18, 2020
    Publication date: September 23, 2021
    Inventors: Chul Min BAE, Ju Hyun LEE, Ji Hye HAN, Gyung Min BAEK, Shin Il CHOI
  • Patent number: 11094678
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode on the substrate and spaced apart from each other; a light emitting diode between the first electrode and the second electrode and connected to the first and second electrodes; a first contact on the first electrode; and a second contact on the second electrode. The first contact contacts the first electrode and a first portion of the light emitting diode, and the second contact contacts the second electrode and a second portion of the light emitting diode.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 17, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeoung Keol Woo, Chul Min Bae, Heon Sik Ha
  • Publication number: 20210104588
    Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.
    Type: Application
    Filed: May 20, 2020
    Publication date: April 8, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye HAN, Chul Min BAE, Chang Ok KIM
  • Publication number: 20210074879
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode provided at a distance from each other on the substrate and extending in one direction; a plurality of light emitting diodes provided between the first electrode and the second electrode, and connected to the first electrode and the second electrode; and a residual pattern provided between at least one of the plurality of light emitting diodes and the substrate.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventors: Yeoung Keol Woo, Chul Min Bae
  • Publication number: 20210050536
    Abstract: A method of manufacturing a display device includes providing an inorganic layer on a carrier substrate, providing a first flexible substrate on the inorganic layer, providing a first shielding layer including a metal on the first flexible substrate, providing a first barrier layer on the first shielding layer, and providing a thin film transistor layer on the first barrier layer. The inorganic layer includes at least one material selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy), and a thickness of the inorganic layer is in a range from about 10 ? to about 6000 ?.
    Type: Application
    Filed: June 19, 2020
    Publication date: February 18, 2021
    Inventors: Yeoung Keol WOO, Yung Bin CHUNG, Chul Min BAE, Ji Hye HAN, Eun Jin KWAK
  • Patent number: 10847674
    Abstract: A light emitting device includes: a substrate; a first electrode and a second electrode provided at a distance from each other on the substrate and extending in one direction; a plurality of light emitting diodes provided between the first electrode and the second electrode, and connected to the first electrode and the second electrode; and a residual pattern provided between at least one of the plurality of light emitting diodes and the substrate.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeoung Keol Woo, Chul Min Bae
  • Patent number: 10825880
    Abstract: A display device includes: a substrate; a semiconductor on the substrate and including a driving channel; a first insulating layer on the semiconductor; a driving gate electrode on the first insulating layer and overlapping the driving channel; a second insulating layer on the driving gate electrode and the first insulating layer and including first and second dielectric constant layers, the second dielectric constant layer having a dielectric constant that is greater than that of the first dielectric constant layer; a storage electrode on the second insulating layer; a passivation layer covering the storage electrode and the second insulating layer; a pixel electrode on the passivation layer; an emission member on the pixel electrode; and a common electrode on the emission member, wherein the storage electrode overlaps the driving gate electrode, and wherein the storage electrode, the driving gate electrode and the second insulating layer therebetween form a storage capacitor.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Ho Hwang, Byeong-Beom Kim, Chul Min Bae, Woo-Seok Jeon
  • Patent number: 10802200
    Abstract: A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Ok Kim, Chul Min Bae, Ji Hye Han, Junghwan Yi, Shin Il Choi