Patents by Inventor Sung-Hoon Yang

Sung-Hoon Yang 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).

  • Patent number: 10720501
    Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yu-Gwang Jeong, Shin-Il Choi, Su-Bin Bae, Sung-Hoon Yang
  • Publication number: 20200006503
    Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Yu-Gwang JEONG, Shin-Il CHOI, Su-Bin BAE, Sung-Hoon YANG
  • Patent number: 10438974
    Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: October 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yu-Gwang Jeong, Shin-Il Choi, Su-Bin Bae, Sung-Hoon Yang
  • Patent number: 10020352
    Abstract: A substrate structure may be used in a display device. The substrate structure may include a base substrate, a transistor, and a silicon oxynitride layer. The transistor may include a semiconductor member and a gate electrode and may overlap the base substrate. The silicon oxynitride layer may directly contact at least one of the base substrate, the semiconductor member, and the gate electrode and may include (and/or contain) a hydrogen atom set. A hydrogen concentration in the silicon oxynitride layer may be greater than or equal to 1.52 atomic percent.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: July 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yung-Bin Chung, Bo-Geon Jeon, Eun-Jeong Cho, Hye-Hyang Park, Sung-Hoon Yang, Woo-Seok Jeon, Joo-Hee Jeon, Chaun-Gi Choi
  • Patent number: 9728675
    Abstract: In a display substrate, a method for manufacturing the display substrate and an electro-wetting display apparatus including the display substrate, the display substrate includes a base substrate, a sidewall defining a unit pixel area, a pixel electrode, a hydrophobic insulating layer and a light blocking layer. The sidewall is on the base substrate and defines the unit pixel area. The pixel electrode is in the unit pixel area. The hydrophobic insulating layer is on the sidewall and the pixel electrode. The light blocking layer is on the hydrophobic insulating layer and overlaps the sidewall.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 8, 2017
    Assignee: Amazon Technologies, Inc.
    Inventors: Suk-Won Jung, Seung-Mi Seo, Sung-Hoon Yang
  • Patent number: 9627570
    Abstract: A display substrate includes a pixel switching element, a pixel electrode, a reference line, a control switching element, a bias line, a light sensing element, a sensing capacitor and a light blocking filter pattern. The pixel switching element is connected to a data line and a gate line, includes a first semiconductor pattern. The pixel electrode is connected to the pixel switching element. The reference line is in parallel with the data line. The control switching element is connected to the reference line and the gate line, includes a second semiconductor pattern. The bias line is in parallel with the gate line. The light sensing element is connected to the bias line and the control switching element, includes a third semiconductor pattern. The sensing capacitor is connected to the light sensing element and a storage line. The light blocking filter pattern transmits a first light, and blocks a second light.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk-Won Jung, Hyang-Shik Kong, Sung-Hoon Yang, Sang-Youn Han, Kyung-Sook Jeon, Seung-Mi Seo, Mi-Seon Seo
  • Publication number: 20170104048
    Abstract: A substrate structure may be used in a display device. The substrate structure may include a base substrate, a transistor, and a silicon oxynitride layer. The transistor may include a semiconductor member and a gate electrode and may overlap the base substrate. The silicon oxynitride layer may directly contact at least one of the base substrate, the semiconductor member, and the gate electrode and may include (and/or contain) a hydrogen atom set. A hydrogen concentration in the silicon oxynitride layer may be greater than or equal to 1.52 atomic percent.
    Type: Application
    Filed: July 14, 2016
    Publication date: April 13, 2017
    Inventors: Yung-Bin CHUNG, Bo-Geon JEON, Eun-Jeong CHO, Hye-Hyang PARK, Sung-Hoon YANG, Woo-Seok JEON, Joo-Hee JEON, Chaun-Gi CHOI
  • Patent number: 9570621
    Abstract: The present invention discloses a thin film transistor (TFT), a method for manufacturing the TFT, and a display substrate using the TFT that may prevent degradation of the characteristics of an oxide semiconductor contained in the TFT by blocking external light from entering a channel region of the oxide semiconductor. The TFT includes an oxide semiconductor layer; a protective layer overlapping a channel region of the oxide semiconductor layer; an opaque layer disposed between the oxide semiconductor layer and the protective layer; a source electrode contacting a first side of the oxide semiconductor layer; a drain electrode contacting a second side of the oxide semiconductor layer and facing the source electrode across the channel region; a gate electrode to apply an electric field to the oxide semiconductor layer; and a gate insulating layer disposed between the gate electrode and the oxide semiconductor layer.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Hun Jeong, Do-Hyun Kim, Dong-Hoon Lee, Kap-Soo Yoon, Jae-Ho Choi, Sung-Hoon Yang, Pil-Sang Yun, Seung-Mi Seo
  • Patent number: 9478667
    Abstract: A thin film transistor substrate includes a substrate, a bottom gate on the substrate, a first insulating layer on the substrate and on the bottom gate, a drain on the first insulating layer, a source on the first insulating layer, the source including a first source at a first side of the drain and a second source at a second side of the drain, an active layer on the first insulating layer, the active layer including a first active layer contacting the drain and the first source and a second active layer contacting the drain and the second source, a second insulating layer on the drain, the source, and the active layer, and a top gate on the second insulating layer.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: October 25, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon Keon Moon, Masataka Kano, Sung-Hoon Yang, Ji Hun Lim, So Young Koo, Myoung Hwa Kim, Jun Hyung Lim
  • Publication number: 20160133754
    Abstract: A thin film transistor substrate includes a substrate, a bottom gate on the substrate, a first insulating layer on the substrate and on the bottom gate, a drain on the first insulating layer, a source on the first insulating layer, the source including a first source at a first side of the drain and a second source at a second side of the drain, an active layer on the first insulating layer, the active layer including a first active layer contacting the drain and the first source and a second active layer contacting the drain and the second source, a second insulating layer on the drain, the source, and the active layer, and a top gate on the second insulating layer.
    Type: Application
    Filed: March 18, 2015
    Publication date: May 12, 2016
    Inventors: Yeon Keon MOON, Masataka KANO, Sung-Hoon YANG, Ji Hun LIM, So Young KOO, Myoung Hwa KIM, Jun Hyung LIM
  • Patent number: 9329423
    Abstract: In a sensing device and a method for sending a light by using the same, the sensing device includes: a lower panel; an upper panel facing the lower panel; a liquid crystal layer disposed between the lower panel and the upper panel; an infrared ray sensor formed in at least one of the lower panel and the upper panel; and a visible ray sensor formed in at least one of the lower panel and the upper panel. The sensing device simultaneously includes the infrared ray sensor and the visible ray sensor such that a touch sensing function or an image sensing function having high reliability may be realized.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Kwon Kim, Hyung-Guel Kim, Jun-Ho Song, Nam-Heon Kim, Joo-Hyung Lee, Sung-Hoon Yang, Kyung-Hun Yoon, Myung-Hum Shin, Jae-Hyun Cho
  • Publication number: 20160043105
    Abstract: According to an exemplary embodiment, a display substrate includes a gate metal pattern comprising a gate electrode, an active pattern disposed on the gate pattern and a source metal pattern disposed on the active pattern. The source metal pattern includes a first lower pattern disposed on the active pattern, a second lower pattern disposed on the first lower pattern, a low-resistance metal pattern disposed on the second lower pattern, and an upper pattern disposed on the low-resistance metal pattern. The first lower pattern, the second lower pattern, and the upper pattern each include a material that is the same.
    Type: Application
    Filed: January 27, 2015
    Publication date: February 11, 2016
    Inventors: Yu-Gwang JEONG, Shin-Il CHOI, Su-Bin BAE, Sung-Hoon YANG
  • Patent number: 9252285
    Abstract: A method of manufacturing a display substrate includes forming a gate electrode on a base substrate, forming an active pattern which includes an oxide semiconductor and overlaps with the gate electrode, forming an etch stopper which partially covers the active pattern, and performing a plasma treatment process to promote a reduction reaction to portions of the active pattern exposed by the etch stopper, thereby forming a source electrode and a drain electrode.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Seong Seo, Sung-Hoon Yang, Tae-Young Ahn, Sang-Wook Lee, Jung-Yun Jo, Heon-Sik Ha, Jin-Ho Hwang, Kyung-Tea Park, Jun-Mo Im
  • Patent number: 9236455
    Abstract: A thin film transistor substrate includes an active pattern which is disposed on a base substrate and includes a channel, a source electrode and a drain electrode, the channel which includes an oxide semiconductor, the source electrode and the drain electrode connected the channel, a gate electrode overlapped with the channel, a passivation layer which covers the source electrode, the drain electrode and the gate electrode and a fluorine deposition layer disposed between the active pattern and the passivation layer.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Yun Jo, Sung-Hoon Yang, Ki-Seong Seo, Jin-Ho Hwang
  • Patent number: 9224900
    Abstract: A touch sensitive display device utilizing infrared ray sensing transistors. The transistors are configured, and comprise specified materials, to allow them to be formed with fewer photolithography processes, reducing cost and manufacturing time.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Hun Jeong, Sung-Hoon Yang, Kap-Soo Yoon, Kyung-Sook Jeon, Seung Mi Seo
  • Patent number: 9184181
    Abstract: A display substrate includes a gate electrode on a base substrate, an active pattern which overlaps the gate electrode and includes a metal oxide semiconductor, an insulation pattern on the active pattern, a source electrode which contacts the active pattern, a drain electrode which contacts the active pattern and is spaced apart from the source electrode, and a first passivation layer which covers the active pattern and the insulation pattern, and includes fluorine, where the active pattern includes a first portion which directly contacts the insulation pattern and overlaps the gate electrode and the insulation pattern, a second portion which contacts the first passivation layer and has an electrical conductivity substantially larger than that of the first portion, a third portion which contacts the first passivation layer, has an electrical conductivity substantially larger than that of the first portion and is spaced apart from the second portion.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je-Hun Lee, Sung-Hoon Yang, Hiroshi Okumura, Jin-Ho Hwang
  • Publication number: 20150243827
    Abstract: A display substrate includes a pixel switching element, a pixel electrode, a reference line, a control switching element, a bias line, a light sensing element, a sensing capacitor and a light blocking filter pattern. The pixel switching element is connected to a data line and a gate line, includes a first semiconductor pattern. The pixel electrode is connected to the pixel switching element. The reference line is in parallel with the data line. The control switching element is connected to the reference line and the gate line, includes a second semiconductor pattern. The bias line is in parallel with the gate line. The light sensing element is connected to the bias line and the control switching element, includes a third semiconductor pattern. The sensing capacitor is connected to the light sensing element and a storage line. The light blocking filter pattern transmits a first light, and blocks a second light.
    Type: Application
    Filed: May 13, 2015
    Publication date: August 27, 2015
    Inventors: Suk-Won JUNG, Hyang-Shik KONG, Sung-Hoon YANG, Sang-Youn HAN, Kyung-Sook JEON, Seung-Mi SEO, Mi-Seon SEO
  • Patent number: 9116566
    Abstract: A liquid crystal display having a touch screen panel (TSP) function includes a sensor unit formed on the first substrate; a first sensor wire disposed on the first substrate and a second sensor wire extending perpendicular to the first sensor wire, wherein the sensor unit includes a first sensor electrode connected to the first sensor wire and a second sensor electrode connected to the second sensor wire, wherein said first sensor electrode and said second sensor electrode connect when touched, and said first and second sensor wires confirm a touch position by transmitting a sensing current through the connection between the first sensor electrode and the second sensor electrode, a trench is formed near the sensor unit and a silicon protrusion pattern to increase the sensitivity of the touch screen panel.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: August 25, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Youn Han, Yeon-Sik Ham, Sung-Hoon Yang, Keun-Chan Oh, Hee-Hwan Lee
  • Patent number: 9087750
    Abstract: A touch screen substrate includes a base substrate, a first switching element and a first sensing element which senses infrared light. The first switching element includes a first switching gate electrode, a first active pattern disposed on the first switching gate electrode, a first switching source electrode disposed on the first active pattern and a first switching drain electrode disposed apart from the first switching source electrode. The first sensing element includes a first sensing drain electrode connected to the first switching source electrode, a first sensing source electrode disposed apart from the first sensing drain electrode, a second active pattern disposed below the first sensing drain electrode and the first sensing source electrode and including a first amorphous layer, a doped amorphous layer and a second amorphous layer, and a first sensing gate electrode disposed on the first sensing drain electrode and the first sensing source electrode.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: July 21, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woong-Kwon Kim, Jung-Suk Bang, Sung-Hoon Yang, Sang-Youn Han, Suk-Won Jung, Byeong-Hoon Cho, Dae-Cheol Kim, Ki-Hun Jeong, Kyung-Sook Jeon, Seung-Mi Seo, Kun-Wook Han, Mi-Seon Seo
  • Patent number: 8994025
    Abstract: The present invention relates to a visible ray sensor and a light sensor capable of improving photosensitivity by preventing photodegradation. The visible ray sensor may include: a substrate, a light blocking member formed on the substrate, and a visible ray sensing thin film transistor formed on the light blocking member. The light blocking member may be made of a transparent electrode, a band pass filter, or an opaque metal.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: March 31, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Youn Han, Jun-Ho Song, Kyung-Sook Jeon, Mi-Seon Seo, Sung-Hoon Yang, Suk-Won Jung, Seung Mi Seo