Patents by Inventor Seung-Mi Seo

Seung-Mi Seo 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: 8785932
    Abstract: An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Won Jung, Byeong Hoon Cho, Sung Hoon Yang, Woong Kwon Kim, Sang Youn Han, Dae Cheol Kim, Ki-Hun Jeong, Kyung-Sook Jeon, Seung Mi Seo, Jung-Suk Bang, Kun-Wook Han
  • Publication number: 20140061681
    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: Application
    Filed: March 15, 2013
    Publication date: March 6, 2014
    Applicant: Liquavista B.V
    Inventors: Suk-Won JUNG, Seung-Mi SEO, Sung-Hoon YANG
  • Publication number: 20140021518
    Abstract: A display device includes: a first substrate; a photo transistor on the first substrate; and a switching transistor connected to the photo transistor. The photo transistor includes a light blocking film on the first substrate, a first gate electrode on the light blocking film and in contact with the light blocking film, a first semiconductor layer on the first gate electrode and overlapping the light blocking film, and a first source electrode and a first drain electrode on the first semiconductor layer. The switching transistor includes a second gate electrode on the first substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and a second source electrode and a second drain electrode on the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are at a same layer of the display device, and each includes crystalline silicon germanium.
    Type: Application
    Filed: December 18, 2012
    Publication date: January 23, 2014
    Applicants: SAMSUNG DISPLAY CO., LTD., ULSAN COLLEGE INDUSTRY COOPERATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Sang Youn HAN, Cheol Kyu KIM, Jun Ho SONG, Sung Hoon YANG, Kyung Tea PARK, Seung Mi SEO, Suk Won JUNG, Do Young KIM, Sun Jo KIM, Hyung Jun KIM
  • Publication number: 20140002764
    Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, where the thin film transistor includes a drain electrode, a passivation layer disposed on the substrate covering the thin film transistor, a common electrode disposed on the passivation layer, where the common electrode receives a common voltage, a liquid crystal layer disposed in a microcavity layer on the common electrode, a roof layer disposed covering the liquid crystal layer, and a pixel electrode disposed on the roof layer, and a method of manufacturing the display device is provided.
    Type: Application
    Filed: November 28, 2012
    Publication date: January 2, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Mi SEO, Suk Won JUNG
  • Publication number: 20130249817
    Abstract: A photosensor includes a sensing switching element, a sensing element, and a reset switching element. The sensing switching element includes an output terminal connected to a sensing signal line, a control terminal connected to a first gate line, and an input terminal connected to the first node. The sensing element includes an output terminal connected to a first node, a control terminal connected a second gate line disposed next to the first gate line, and an input terminal connected to a source voltage line transmitting a source voltage. The sensing element senses light. The reset switching element includes an output terminal connected to the first node, a control terminal connected to the second gate line, and an input terminal connected to a driving voltage line transmitting a driving voltage.
    Type: Application
    Filed: July 3, 2012
    Publication date: September 26, 2013
    Inventors: Suk Won JUNG, Seung Mi SEO, Sung Hoon YANG
  • Patent number: 8519317
    Abstract: A photosensor includes a substrate, a gate line, and a data line disposed on the substrate. A thin film transistor is connected to the gate line and the data line. A first photo-sensing member is disposed on the substrate, and a first electrode is connected to the thin film transistor and the first photo-sensing member. A second photo-sensing member is disposed on the first photo-sensing member, and a second electrode is connected to the first electrode and the second photo-sensing member.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Youn Han, Sung-Hoon Yang, Suk-Won Jung, Kyung-Sook Jeon, Seung Mi Seo, Mi-Seon Seo
  • Publication number: 20130056732
    Abstract: A display device includes: a substrate; an infrared sensing transistor on the substrate; a readout transistor connected to the infrared sensing transistor; a power source line; and a light blocking member on the infrared sensing transistor, where the infrared sensing transistor includes a light blocking film on the substrate, a first gate electrode contacting and overlapping the light blocking film and connected to a power source line, a first semiconductor layer on the first gate electrode overlapping the light blocking film, and first source and drain electrodes on the first semiconductor layer, where the readout transistor includes a second gate electrode on the substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and second source and drain electrodes the second semiconductor layer, and where the power source line and the first gate electrode are at a same layer.
    Type: Application
    Filed: February 6, 2012
    Publication date: March 7, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Won JUNG, Sung Hoon YANG, Sang-Youn HAN, Seung Mi SEO, Mi-Seon SEO
  • Publication number: 20130021298
    Abstract: A display device includes: a display panel; and a sensing signal processor connected to the display panel, in which the display panel includes: a gate line which transmits a gate signal; a sensing signal line crossing the gate line; a reference sensing signal line crossing the gate line; a sensing unit connected to the gate line and the sensing signal line, where the sensing unit senses light by a touch on the display panel; and a reference sensing unit connected to the gate line and the reference sensing signal line and blocked from the light by the touch, and where the sensing signal processor is connected to the sensing unit and the reference sensing unit and includes a comparator.
    Type: Application
    Filed: January 31, 2012
    Publication date: January 24, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Mi SEO, Suk Won JUNG, Sung Hoon YANG
  • Patent number: 8294837
    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: Grant
    Filed: October 5, 2010
    Date of Patent: October 23, 2012
    Assignee: Samsung Display 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
  • Patent number: 8253896
    Abstract: A photonic sensor includes a first electrode layer, a second electrode layer, a third electrode layer, a first photon absorption layer, a second photon absorption layer, a third photon absorption layer and a charge blocking layer. The first photon absorption layer includes a dispersion of first nanoparticles, and is configured to transduce a first colored light into corresponding electric charge. The second photon absorption layer includes a dispersion of second nanoparticles, and is configured to transduce a second colored light into corresponding electric charge according to light intensity. The third photon absorption layer includes a dispersion of third nanoparticles, and is configured to transduce a third colored light into corresponding electric charge according to light intensity. The charge blocking layer is formed between the first and second photon absorption layers to block flow of electric charge between the first and second photon absorption layers.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kap-Soo Yoon, Sung-Hoon Yang, Ki-Hun Jeong, Kyung-Sook Jeon, Seung-Mi Seo
  • Publication number: 20120138929
    Abstract: An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer.
    Type: Application
    Filed: July 13, 2011
    Publication date: June 7, 2012
    Inventors: Suk Won JUNG, Byeong Hoon CHO, Sung Hoon YANG, Woong Kwon KIM, Sang Youn HAN, Dae Cheol KIM, Ki-Hun JEONG, Kyung-Sook JEON, Seung Mi SEO, Jung-Suk BANG, Kun-Wook HAN
  • Publication number: 20120139866
    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: June 7, 2011
    Publication date: June 7, 2012
    Inventors: Suk-Won JUNG, Hyang-Shik Kong, Sung-Hoon Yang, Sang-Youn Han, Kyung-Sook Jeon, Seung-Mi Seo, Mi-Seon Seo
  • Patent number: 8174015
    Abstract: A display device includes a lower panel including a lower substrate and a pixel transistor formed on the lower substrate; and an upper panel facing the lower panel, and including an upper substrate, a sensing transistor formed on the upper substrate, and a readout transistor connected to the sensing transistor and transmitting a signal. The readout transistor includes a first lower gate electrode formed on the upper substrate, a first semiconductor layer formed on the first lower gate electrode and overlaps the first gate electrode, and a first source electrode and a first drain electrode disposed on the first semiconductor layer.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-Hun Jeong, Byeong-Hoon Cho, Jung-Suk Bang, Sang-Youn Han, Woong-Kwon Kim, Sung-Hoon Yang, Suk Won Jung, Dae-Cheol Kim, Kyung-Sook Jeon, Seung Mi Seo
  • Publication number: 20120032169
    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: Application
    Filed: December 28, 2010
    Publication date: February 9, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-Youn Han, Jun-Ho Song, Kyung-Sook Jeon, Mi-Seon Seo, Sung-Hoon Yang, Suk-Won Jung, Seung Mi Seo
  • Publication number: 20120033161
    Abstract: A photosensor includes a substrate, a gate line, and a data line disposed on the substrate. A thin film transistor is connected to the gate line and the data line. A first photo-sensing member is disposed on the substrate, and a first electrode is connected to the thin film transistor and the first photo-sensing member. A second photo-sensing member is disposed on the first photo-sensing member, and a second electrode is connected to the first electrode and the second photo-sensing member.
    Type: Application
    Filed: December 3, 2010
    Publication date: February 9, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Youn HAN, Sung-Hoon YANG, Suk-Won JUNG, Kyung-Sook JEON, Seung Mi SEO, Mi-Seon SEO
  • 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
  • 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
  • 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
  • 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