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).

  • Publication number: 20120003769
    Abstract: A thin film transistor substrate includes an insulating plate; a gate electrode disposed on the insulating plate; a semiconductor layer comprising a metal oxide, wherein the metal oxide has oxygen defects of less than or equal to 3%, and wherein the metal oxide comprises about 0.01 mole/cm3 to about 0.3 mole/cm3 of a 3d transition metal; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer. Also described is a display substrate. The metal oxide has oxygen defects of less than or equal to 3%, and is doped with about 0.01 mole/cm3 to about 0.3 mole/cm3 of 3d transition metal. The metal oxide comprises indium oxide or titanium oxide. The 3d transition metal includes at least one 3d transition metal selected from the group consisting of chromium, cobalt, nickel, iron, manganese, and mixtures thereof.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kap-Soo YOON, Sung-Hoon YANG, Byoung-June KIM, Czang-Ho LEE, Sung-Ryul KIM, Hwa-Yeul OH, Jae-Ho CHOI, Yong-Mo CHOI
  • Patent number: 8088653
    Abstract: A TFT includes a gate electrode, an active layer, a source electrode, a drain electrode, and a buffer layer. The gate electrode is formed on the substrate; the active layer is formed on the gate electrode. The source and drain electrodes, formed on the active layer, are separated by a predetermined distance. The buffer layer is formed between the active layer and the source and drain electrodes. The buffer layer has a substantially continuously varying content ratio corresponding to a buffer layer thickness. The buffer layer is formed to suppress oxidation of the active layer, and reduce contact resistance.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: January 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-June Kim, Sung-Hoon Yang, Min-Seok Oh, Jae-Ho Choi, Yong-Mo Choi
  • Patent number: 8067768
    Abstract: Provided is a thin-film transistor (TFT) display panel having improved electrical and reliability properties and a method of fabricating the TFT display panel. The TFT display panel includes gate wiring formed on a substrate; an oxide active layer pattern formed on the gate wiring; data wiring formed on the oxide active layer pattern to cross the gate wiring; a passivation layer formed on the oxide active layer pattern and the data wiring and made of nitrogen oxide; and a pixel electrode disposed on the passivation layer.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: November 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Do-Hyun Kim, Sung-Hoon Yang, Ki-Hun Jeong, Jae-Ho Choi, Seung-Mi Seo
  • Patent number: 8058649
    Abstract: In one embodiment, a thin-film transistor (TFT) includes a gate electrode, a semiconductor pattern, first and second electrodes and a protective layer. The semiconductor pattern is formed on the gate electrode, and includes a first semiconductor layer deposited at a first deposition speed and a second semiconductor layer deposited at a second deposition speed faster than the first deposition speed. The first and second electrodes are spaced apart from each other on the semiconductor pattern. The protective layer is formed on the semiconductor pattern to cover the first and second electrodes, and makes contact with a channel region of the first semiconductor layer to form an interface with the first semiconductor layer. Thus, electrical characteristics of the TFT may be improved.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Kim, Kwan Hee Lee, Sung-Hoon Yang, Young-Hoon Yoo
  • Publication number: 20110261040
    Abstract: An information detection device includes: a plurality of light sensing units each configured to detect light; a plurality of sensor scanning drivers each configured to apply sensor scanning signals to the light sensing units; a sensing signal processor configured to receive position information detected by the light sensing units; a plurality of bias applying units each configured to apply bias voltages to the light sensing units; wherein each bias applying unit applies a different polarity of bias voltage.
    Type: Application
    Filed: April 20, 2011
    Publication date: October 27, 2011
    Inventors: Sang-Youn HAN, Dong-Kwon KIM, Kyung-Sook JEON, Sung-Hoon YANG, Joo-Han KIM, Woong-Kwon KIM, Suk-Won JUNG, Byeong-Hoon CHO, Dae-Cheol KIM, Hui-Sung LEE, Ki-Hun JEONG, Seung-Mi SEO, Jung-Suk BANG, Kun-Wook HAN, Mi-Seon SEO
  • Patent number: 8035100
    Abstract: A thin film transistor substrate includes an insulating plate; a gate electrode disposed on the insulating plate; a semiconductor layer comprising a metal oxide, wherein the metal oxide has oxygen defects of less than or equal to 3%, and wherein the metal oxide comprises about 0.01 mole/cm3 to about 0.3 mole/cm3 of a 3d transition metal; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer. Also described is a display substrate. The metal oxide has oxygen defects of less than or equal to 3%, and is doped with about 0.01 mole/cm3 to about 0.3 mole/cm3 of 3d transition metal. The metal oxide comprises indium oxide or titanium oxide. The 3d transition metal includes at least one 3d transition metal selected from the group consisting of chromium, cobalt, nickel, iron, manganese, and mixtures thereof.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Byoung-June Kim, Czang-Ho Lee, Sung-Ryul Kim, Hwa-Yeul Oh, Jae-Ho Choi, Yong-Mo Choi
  • Patent number: 8022411
    Abstract: Provided are a thin-film transistor (TFT) display panel having improved electrical properties that can be fabricated time-effectively and a method of fabricating the TFT display panel. The TFT display panel includes: gate wirings which are formed on an insulating substrate; oxide active layer patterns which are formed on the gate wirings; data wirings which are formed on the oxide active layer patterns to cross the gate wirings; a passivation layer which is formed on the oxide active layer patterns and the data wirings and is made of silicon nitride (SiNx); and a pixel electrode which is formed on the passivation layer.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: September 20, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Ki-Won Kim, Sung-Ryul Kim, Sung-Hoon Yang, Woo-Geun Lee
  • Patent number: 8008665
    Abstract: A display substrate having a fan-out and a method for manufacturing the display substrate are disclosed. The fan-out includes an insulating substrate, a first line, a second line, a resistance control pattern, and first and second detour pattern. The first line is disposed on the insulating substrate and is connected to a pad. The second line is formed from the same layer as the first line and is connected to a thin-film transistor (TFT). The resistance control pattern is formed from a different layer than the first and second lines. The first and second detour patterns are formed from a different layer than the first and second lines and the resistance control pattern, and connect the first and second lines with the resistance control pattern, respectively.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: August 30, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Yang, So-Woon Kim, Chong-Chul Chai, Joo-Ae Youn, Kyoung-Ju Shin, Yeon-Ju Kim, Soo-Wan Yoon
  • Publication number: 20110204370
    Abstract: Provided are a thin-film transistor (TFT) substrate, a method of manufacturing the same, and a display device including the same. The TFT substrate includes a gate electrode formed on a substrate, a gate insulating layer formed on the gate electrode, an oxide semiconductor pattern formed on the gate insulating layer, a source electrode formed on the oxide semiconductor pattern, a drain electrode formed on the oxide semiconductor pattern to face the source electrode, and a pixel electrode formed on the gate insulating layer.
    Type: Application
    Filed: February 15, 2011
    Publication date: August 25, 2011
    Inventors: Kap-Soo Yoon, Woo-Geun Lee, Bong-Kyun Kim, Sung-Hoon Yang, Ki-Won Kim, Hyun-Jung Lee
  • Publication number: 20110205180
    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: Application
    Filed: November 2, 2010
    Publication date: August 25, 2011
    Inventors: Sang-Youn Han, Yeon-Sik Ham, Sung-Hoon Yang, Keun-Chan Oh, Hee-Hwan Lee
  • Publication number: 20110183463
    Abstract: A method of manufacturing a thin film transistor (“TFT”) substrate includes forming a first conductive pattern group including a gate electrode on a substrate, forming a gate insulating layer on the first conductive pattern group, forming a semiconductor layer and an ohmic contact layer on the gate insulating layer by patterning an amorphous silicon layer and an oxide semiconductor layer, forming a second conductive pattern group including a source electrode and a drain electrode on the ohmic contact layer by patterning a data metal layer, forming a protection layer including a contact hole on the second conductive pattern group, and forming a pixel electrode on the contact hole of the protection layer. The TFT substrate including the ohmic contact layer formed of an oxide semiconductor is further provided.
    Type: Application
    Filed: December 6, 2010
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ryul KIM, Sung-Hoon YANG, Byoung-June KIM, Czang-Ho LEE, Jae-Ho CHOI, Hwa-Yeul OH, Yong-Mo CHOI
  • Publication number: 20110169000
    Abstract: A display substrate includes a first light blocking pattern formed on a base substrate, a first switching element, a second light blocking pattern formed on the base substrate, and a first sensing element. The first light blocking pattern is configured to block visible light and transmit infrared light. The first switching element includes a first semiconductor pattern, a first source electrode, a first drain electrode, and a first gate electrode. The second light blocking pattern is configured to block the visible light and transmit the infrared light. The first sensing element is configured to detect the infrared light, and includes a second semiconductor pattern, a second source electrode, a second drain electrode, and a second gate electrode.
    Type: Application
    Filed: October 14, 2010
    Publication date: July 14, 2011
    Inventors: JUNG-SUK BANG, Byeong-Hoon Cho, Sung-Hoon Yang, Suk-Won Jung, Ki-Hun Jeong
  • Publication number: 20110156046
    Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.
    Type: Application
    Filed: December 24, 2010
    Publication date: June 30, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeon-Ju KIM, Sung-Jae MOON, Yun-Jung CHO, Bum-Ki BAEK, Kwang-Hoon LEE, Byoung-Sun NA, Sung-Hoon YANG, Yoon-Jang KIM, Eun CHO
  • Publication number: 20110159622
    Abstract: Embodiments of the present invention relate to a thin film transistor and a manufacturing method of a display panel, and include forming a gate line including a gate electrode on a substrate, forming a gate insulating layer on the gate electrode, forming an intrinsic semiconductor on the gate insulating layer, forming an extrinsic semiconductor on the intrinsic semiconductor, forming a data line including a source electrode and a drain electrode on the extrinsic semiconductor, and plasma-treating a portion of the extrinsic semiconductor between the source electrode and the drain electrode to form a protection member and ohmic contacts on respective sides of the protection member. Accordingly, the process for etching the extrinsic semiconductor and forming an inorganic insulating layer for protecting the intrinsic semiconductor may be omitted such that the manufacturing process of the display panel may be simplified, manufacturing cost may be reduced, and productivity may be improved.
    Type: Application
    Filed: March 7, 2011
    Publication date: June 30, 2011
    Inventors: Yu-Gwang Jeong, Young-Wook Lee, Sang-Gab Kim, Woo-Geun Lee, Min-Seok Oh, Jang-Soo Kim, Kap-Soo Yoon, Shin-Il Choi, Hong-Kee Chin, Seung-Ha Choi, Seung-Hwan Shim, Sung-Hoon Yang, Ki-Hun Jeong
  • Publication number: 20110147740
    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.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG ELECTRONICS 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
  • Publication number: 20110147746
    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: Application
    Filed: October 6, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG ELECTRONICS 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: 7964250
    Abstract: A manufacturing method for a flat panel display device includes forming a barrier layer on a flexible plastic substrate by RF sputtering, forming an amorphous silicon layer on the plastic substrate, and subjecting the amorphous silicon layer to a rapid heat treatment so as to thereby improve electrical characteristics and/or homogeneity of the amorphous silicon layer.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: June 21, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-June Kim, Sung-Hoon Yang, Jae-Ho Choi
  • Publication number: 20110124163
    Abstract: A manufacturing method of a thin film transistor (TFT) includes forming a gate electrode including a metal that can be combined with silicon to form silicide on a substrate and forming a gate insulation layer by supplying a gas which includes silicon to the gate electrode at a temperature below about 280° C. The method further includes forming a semiconductor on the gate insulation layer, forming a data line and a drain electrode on the semiconductor and forming a pixel electrode connected to the drain electrode.
    Type: Application
    Filed: February 3, 2011
    Publication date: May 26, 2011
    Inventors: Byoung-June KIM, Jae-Ho Choi, Chang-Oh Jeong, Sung-Hoon Yang, Je-Hun Lee, Do-Hyun Kim, Hwa-Yeul Oh, Yong-Mo Choi
  • Publication number: 20110109609
    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: Application
    Filed: October 6, 2010
    Publication date: May 12, 2011
    Inventors: Ki-Hun Jeong, Sung-Hoon Yang, Kap-Soo Yoon, Kyung-Sook Jeon, Seung Mi Seo
  • Publication number: 20110090420
    Abstract: A sensor array substrate, a display device including the sensor array substrate, and a method of manufacturing the sensor array substrate are provided. The sensor array substrate includes a substrate, a first sensor formed on a first pixel area of the substrate and configured to detect light, an overcoat layer formed on the first sensor, and a shield layer formed over the overcoat layer, wherein the shield layer overlaps the first sensor.
    Type: Application
    Filed: October 5, 2010
    Publication date: April 21, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woong-Kwon KIM, Dae-Cheol KIM, Dong-Kwon KIM, Ki-Hun JEONG, Sung-Hoon YANG, Sang-Youn HAN, Suk-Won JUNG, Byeong-Hoon CHO, Kyung-Sook JEON, Seung-Mi SEO, Jung-Suk BANG, Mi-Seon SEO