Patents by Inventor Byeong-Beom Kim

Byeong-Beom 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: 20210171391
    Abstract: A method for manufacturing the window includes providing an initial window having a first compressive stress value and cleaning the initial window to provide a window having a second compressive stress value. The cleaning of the initial window includes acid cleaning the initial window by using acid, and alkali cleaning the initial window by using alkali after the acid cleaning. A linear relational expression is modeled between a difference between the first and second compressive stress values and a temperature and a holding time in the acid cleaning.
    Type: Application
    Filed: July 28, 2020
    Publication date: June 10, 2021
    Inventors: Yuri KIM, WOOSUK SEO, MINKI KIM, Byeong-Beom KIM, Hoikwan LEE
  • 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
  • Publication number: 20200203388
    Abstract: A transistor panel may include a substrate, a transistor, a first inorganic buffer layer, and an inorganic fluorine-containing buffer layer. The transistor may overlap the substrate and may include a semiconductor layer. The first inorganic buffer layer may be disposed between the substrate and the semiconductor layer. The inorganic fluorine-containing buffer layer may be disposed between the first inorganic buffer layer and the semiconductor layer and may contain fluorine in a range of 0.5 at % to 2 at %.
    Type: Application
    Filed: October 15, 2019
    Publication date: June 25, 2020
    Inventors: Byeong Beom KIM, Heon Sik HA, Jin Ho HWANG
  • Patent number: 10573701
    Abstract: An organic light emitting display device includes a substrate, an active layer, a gate electrode, a first high dielectric constant (hereinafter “high-k”) insulation structure, source and drain electrodes, and a light emitting structure. The active layer is disposed on the substrate. The gate electrode is disposed on the active layer. The first high-k insulation structure is disposed on the gate electrode and includes a carbon-doped first high-k insulation layer and a first ammonia layer on the carbon-doped first high-k insulation layer. The source and drain electrodes are disposed on the first high-k insulation structure and constitute a semiconductor element together with the active layer and the gate electrode. The light emitting structure is disposed on the source and drain electrodes.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo-Seok Jeon, Byeong-Beom Kim, Chulmin Bae, Jinho Hwang
  • Publication number: 20190206969
    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: Application
    Filed: September 27, 2018
    Publication date: July 4, 2019
    Inventors: JIN HO HWANG, Byeong-Beom KIM, Chul Min BAE, Woo-Seok JEON
  • Publication number: 20190148472
    Abstract: An organic light emitting display device includes a substrate, an active layer, a gate electrode, a first high dielectric constant (hereinafter “high-k”) insulation structure, source and drain electrodes, and a light emitting structure. The active layer is disposed on the substrate. The gate electrode is disposed on the active layer. The first high-k insulation structure is disposed on the gate electrode and includes a carbon-doped first high-k insulation layer and a first ammonia layer on the carbon-doped first high-k insulation layer. The source and drain electrodes are disposed on the first high-k insulation structure and constitute a semiconductor element together with the active layer and the gate electrode. The light emitting structure is disposed on the source and drain electrodes.
    Type: Application
    Filed: November 9, 2018
    Publication date: May 16, 2019
    Inventors: Woo-Seok JEON, Byeong-Beom KIM, Chulmin BAE, Jinho HWANG
  • Patent number: 10128382
    Abstract: A thin film transistor substrate includes a thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode. Each of the source electrode and the drain electrode includes a wire layer and a protective layer. The protective layer includes zinc oxide in an amount greater than about 70% by weight and less than about 85% by weight and indium oxide in an amount greater than about 15% by weight and less than about 30% by weight.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungho Yoon, Bong-Kyun Kim, Youngjun Kim, Hongsick Park, Byeong-Beom Kim, Sangwon Shin
  • Patent number: 9972781
    Abstract: Provided is a method of manufacturing a mask including preparing a support plate, forming a light blocking layer on the support plate, curing a predetermined region of the light blocking layer, and removing other region of the light blocking layer, excluding the predetermined region.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Hyeong Park, Kyung-Bae Kim, Byeong-Beom Kim
  • Publication number: 20180130908
    Abstract: A thin film transistor substrate includes a thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode. Each of the source electrode and the drain electrode includes a wire layer and a protective layer. The protective layer includes zinc oxide in an amount greater than about 70% by weight and less than about 85% by weight and indium oxide in an amount greater than about 15% by weight and less than about 30% by weight.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 10, 2018
    Inventors: SEUNGHO YOON, Bong-Kyun KIM, Youngjun KIM, HONGSICK PARK, Byeong-Beom KIM, SANGWON SHIN
  • Patent number: 9899531
    Abstract: A thin film transistor substrate includes a thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode. Each of the source electrode and the drain electrode includes a wire layer and a protective layer. The protective layer includes zinc oxide in an amount greater than about 70% by weight and less than about 85% by weight and indium oxide in an amount greater than about 15% by weight and less than about 30% by weight.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungho Yoon, Bong-Kyun Kim, Youngjun Kim, Hongsick Park, Byeong-Beom Kim, Sangwon Shin
  • Patent number: 9799678
    Abstract: A method for forming a thin film according to an exemplary embodiment of the present invention includes forming the thin film at a power density in the range of approximately 1.5 to approximately 3 W/cm2 and at a pressure of an inert gas that is in the range of approximately 0.2 to approximately 0.3 Pa. This process results in an amorphous metal thin film barrier layer that prevents undesired diffusion from adjacent layers, even when this barrier layer is thinner than many conventional barrier layers.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong-Beom Kim, Je-Hyeong Park, Jae-Hyoung Youn, Jean-Ho Song, Jong-In Kim
  • Patent number: 9664939
    Abstract: A display panel includes: a backlight assembly emitting light; and a display panel receiving the light to display an image. The display panel includes: a display substrate; a counter substrate; and an anti-reflective film. The display panel includes: a plurality of pixels; signal lines electrically connected to the plurality of pixels; and an anti-reflective layer disposed on the signal lines to reduce an amount of the light reflected from the signal lines. The counter substrate is coupled with the display substrate, and is disposed between the display substrate and the backlight assembly. The anti-reflective layer includes a plurality of auxiliary layers laminated to each other, the plurality of auxiliary layers have different refractive indexes, and one of the plurality of auxiliary layers includes aluminum zinc tin oxide (AZTO).
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changoh Jeong, Kyungseop Kim, Byeong-Beom Kim, Sangwon Shin
  • Patent number: 9599869
    Abstract: A display apparatus includes a backlight assembly which generates a light and a display panel which receives the light to display an image, the display panel including a first substrate, a second substrate which faces the first substrate and is disposed closer to the backlight assembly than the first substrate, a gate line disposed on the first substrate, a data line disposed on the gate line and insulated from the gate line, a thin film transistor disposed on the first substrate and electrically connected to the gate line and the data line, and a reflection preventing layer disposed between the first substrate and the gate line to reduce an amount of a reflected light reflected by the gate line.
    Type: Grant
    Filed: December 8, 2013
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joonyong Park, Sanggab Kim, Changoh Jeong, Taeho Kang, Kyungseop Kim, Gwan Ha Kim, Byeong-Beom Kim, Honglong Ning, Sangwon Shin, Sukyoung Yang, Yunjong Yeo, Dongmin Lee, Shin Il Choi, Hyunju Kang, Sangwoo Sohn, Jungha Son, Yu-Gwang Jeong, Gugrae Jo, Jinho Hwang
  • Patent number: 9601520
    Abstract: Exemplary embodiments of the present invention relate to a panel and a display device including the same, the panel including a substrate, a signal line arranged on the substrate, the signal line configured to transmit a driving signal, an insulating layer arranged on the signal line, and a pixel electrode and a contact assistant arranged on the insulating layer. The contact assistant is electrically connected to a portion of the signal line, the contact assistant includes indium zinc oxide doped with a metal oxide not including indium or zinc, and the metal oxide has a smaller Gibbs free energy than zinc oxide.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Yong Park, Chang Oh Jeong, Byeong Beom Kim, Hong Long Ning, Hyung Jun Kim, Sang Won Shin
  • Publication number: 20160322573
    Abstract: Provided is a method of manufacturing a mask including preparing a support plate, forming a light blocking layer on the support plate, curing a predetermined region of the light blocking layer, and removing other region of the light blocking layer, excluding the predetermined region.
    Type: Application
    Filed: March 29, 2016
    Publication date: November 3, 2016
    Inventors: Je Hyeong Park, Kyung-Bae Kim, Byeong-Beom Kim
  • Patent number: 9443881
    Abstract: A thin film transistor array panel includes a gate line, a gate insulating layer that covers the gate line, a semiconductor layer that is disposed on the gate insulating layer, a data line and drain electrode that are disposed on the semiconductor layer, a passivation layer that covers the data line and drain electrode and has a contact hole that exposes a portion of the drain electrode, and a pixel electrode that is electrically connected to the drain electrode through the contact hole. The data line and drain electrode each have a double layer that includes a lower layer of titanium and an upper layer of copper, and the lower layer is wider than the upper layer, and the lower layer has a region that is exposed. The gate insulating layer may have a step shape.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jean-Ho Song, Shin-Il Choi, Sun-Young Hong, Shi-Yul Kim, Ki-Yeup Lee, Jae-Hyoung Youn, Sung-Ryul Kim, O-Sung Seo, Yang-Ho Bae, Jong-Hyun Choung, Dong-Ju Yang, Bong-Kyun Kim, Hwa-Yeul Oh, Pil-Soon Hong, Byeong-Beom Kim, Je-Hyeong Park, Yu-Gwang Jeong, Jong-In Kim, Nam-Seok Suh
  • Publication number: 20160147114
    Abstract: An array test modulator, including a first glass; a second glass facing the first glass and including a common electrode; a liquid crystal layer between the first glass and the second glass; and a reflection layer between the second glass and the liquid crystal layer and including a metal oxide layer.
    Type: Application
    Filed: July 7, 2015
    Publication date: May 26, 2016
    Inventors: Kyung Seop KIM, Byeong-Beom KIM, Chang Oh JEONG, Dong Min LEE
  • Publication number: 20160133198
    Abstract: A display panel includes: a backlight assembly emitting light; and a display panel receiving the light to display an image. The display panel includes: a display substrate; a counter substrate; and an anti-reflective film. The display panel includes: a plurality of pixels; signal lines electrically connected to the plurality of pixels; and an anti-reflective layer disposed on the signal lines to reduce an amount of the light reflected from the signal lines. The counter substrate is coupled with the display substrate, and is disposed between the display substrate and the backlight assembly. The anti-reflective layer includes a plurality of auxiliary layers laminated to each other, the plurality of auxiliary layers have different refractive indexes, and one of the plurality of auxiliary layers includes aluminum zinc tin oxide (AZTO).
    Type: Application
    Filed: November 2, 2015
    Publication date: May 12, 2016
    Inventors: Changoh JEONG, Kyungseop KIM, Byeong-Beom KIM, Sangwon SHIN
  • Patent number: 9318510
    Abstract: A metal wire included in a display device, the metal wire includes a first metal layer including a nickel-chromium alloy, a first transparent oxide layer disposed on the first metal layer, and a second metal layer disposed on the first transparent oxide layer.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Seop Kim, Byeong-Beom Kim, Sang-Won Shin, Dae-Young Lee, Chang-Oh Jeong, Joon-Yong Park, Dong-Min Lee
  • Publication number: 20160043226
    Abstract: A thin film transistor substrate includes a thin film transistor including a gate electrode, a semiconductor layer, a source electrode and a drain electrode. Each of the source electrode and the drain electrode includes a wire layer and a protective layer. The protective layer includes zinc oxide in an amount greater than about 70% by weight and less than about 85% by weight and indium oxide in an amount greater than about 15% by weight and less than about 30% by weight.
    Type: Application
    Filed: May 13, 2015
    Publication date: February 11, 2016
    Inventors: Seungho YOON, Bong-Kyun KIM, Youngjun KIM, Hongsick PARK, Byeong-Beom KIM, Sangwon SHIN