Patents by Inventor Ki-Hun Jeong

Ki-Hun Jeong 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: 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: 9170350
    Abstract: The present invention provides a lens having broadband anti-reflective nanostructures formed using nano-island masks and a method for making the same, in which nanostructures having a size and period equal to or smaller than the light wavelength are formed on the surface of a lens to obtain a lens having decreased reflectance, increased transmittance and high efficiency. The lens having broadband anti-reflective nanostructures formed using nano-island masks comprises: a lens having a planar shape or a predetermined curvature; and anti-reflective nanostructures formed on one surface of the lens using nano-island masks, in which the horizontal and vertical cross-sections of the anti-reflective nanostructures have a size equal to or smaller than the light wavelength.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: October 27, 2015
    Assignee: KAIST (Korea Advanced Institute of Science and Technology)
    Inventors: Ki-Hun Jeong, Hyukjin Jung
  • Patent number: 9170449
    Abstract: Touch-related information which cannot be acquired by the naked eye (dubbed here as sub-optical pattern information) has its corresponding sub-optical patterns respectively positioned within the aperture areas of respective domains such that the displayed image, as viewed from different viewing angles is not adversely affected by the embedded sub-optical patterns. One type of touch-related information which can be conveyed is that of touch location of a sub-optical pattern sensing pen positioned over one or more of the sub-optical patterns.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: October 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Soo Baek, Woong Kwon Kim, Sang Ho Kim, Jae-Jin Song, Sang Wook Lee, Hea Chun Lee, Young Goo Song, Nam-Heon Kim, Dae Cheol Kim, Sung Ryul Kim, Jung Suk Bang, Ki Hun Jeong
  • Patent number: 9134837
    Abstract: In a display apparatus, a first substrate includes a plurality of pixels and a plurality of first signal lines connected to the pixels. A second substrate includes a plurality of sensors and a plurality of second signal lines connected to the sensors and extended in a direction in which the first signal lines are extended. Each of the second signal lines is disposed between two first signal lines adjacent to each other and disposed closer to a center line, which divides an area between the two first signal lines into two portions, than the two first signal lines. Thus, signal interference between the first and second signal lines may be reduced, thereby preventing mis-operation or malfunction of the display apparatus.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: September 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: WoongKwon Kim, Daecheol Kim, Ki-Hun Jeong, DongKwon Kim, HeeJoon Kim, Inhan Jeon, Ho-young Kim, Jung suk Bang
  • Patent number: 9128341
    Abstract: A display device includes an infrared sensing transistor and a visible sensing transistor. The visible sensing transistor includes a semiconductor on a substrate; an ohmic contact on the semiconductor; an etch stopping layer on the ohmic contact; a source electrode and a drain electrode on the etch stopping layer; a passivation layer on the source electrode and the drain electrode; and a gate electrode on the passivation layer. The etch stopping layer may be composed of the same material as the source electrode and the drain electrode. The infrared sensing transistor is similar to the visible sensing transistor except the etch stopping layer is absent.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: September 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Cheol Kim, Sung-Ryul Kim, Yun-Jong Yeo, Hong-Kee Chin, Ki-Hun Jeong
  • Publication number: 20150247954
    Abstract: Provided is a batch fabrication method of three-dimensional photonic microstructures including a support structure fabricating step, a variable structure fabricating step, a thermal reflow step, and a three-dimensional photonic microstructure forming step. The batch fabrication method of three-dimensional photonic microstructures fabricates three-dimensional photonic microstructures having several shapes depending on a demand of a user through these steps.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 3, 2015
    Inventors: Ki-Hun JEONG, Jae-Jun KIM, Dongmin KEUM
  • 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: 9070718
    Abstract: A thin film transistor, a display device, and a manufacturing method thereof. The thin film transistor includes a control electrode, a semiconductor overlapping the control electrode, and an input electrode and an output electrode disposed on or under the semiconductor and opposite to each other. The semiconductor includes a first portion disposed between the input electrode and the output electrode and having a first crystallinity, and a second portion connected with the first portion, which overlaps the input electrode or the output electrode, and having a second crystallinity. The first crystallinity is higher than the second crystallinity.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: June 30, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Haeng Cho, Ki-Hun Jeong, Jun-Ho Song, Joo-Han Kim, Hyung-Jun Kim, Seung-Hwan Shim
  • Publication number: 20150162355
    Abstract: A display panel includes a first substrate including a switching device array, a second substrate spaced apart from the first substrate, a column spacer maintaining a cell gap between the first substrate and the second substrate, the first substrate includes a gate line on a base substrate and extending in a direction, a data line crossing with the gate line, a switching device electrically connected to the gate line and the data line and including a gate electrode, a source electrode and a drain electrode, a pixel electrode connected to the switching device and a dummy pattern adjacent to the column spacer.
    Type: Application
    Filed: June 13, 2014
    Publication date: June 11, 2015
    Inventors: Woong-Kwon KIM, Sang-Ho Kim, Joong-Tae Kim, Min-Ha Hwang, In-Woo Kim, Woo-Sung Sohn, Ki-Hun Jeong, Kweon-Sam Hong
  • Patent number: 9054266
    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: June 6, 2014
    Date of Patent: June 9, 2015
    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: 20150131408
    Abstract: Provided are a laser-induced ultrasound generator and a method of manufacturing the laser-induced ultrasound generator. The laser-induced ultrasound generator includes: a substrate including a plurality of nanostructures provided on a first surface of the substrate; and a thermoelastic layer provided on the first surface of the substrate, the thermoelastic layer being configured to generate an ultrasound by absorbing a laser beam incident onto a second surface of the substrate, the second surface facing the first surface. The nanostructures may be cylinder-shaped nano-pillars.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 14, 2015
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-chan KANG, Jong-seok KIM, Chang-jung KIM, Seung-bum YANG, Young-jae OH, Yong-seop YOON, Ki-hun JEONG
  • Patent number: 9029971
    Abstract: A display apparatus includes a first substrate including a plurality of pixels, and a second substrate facing the first substrate, the second substrate comprising a sensor area and a peripheral area, the sensor area comprising a plurality of sensors. The second substrate includes an insulating layer, and a plurality of lines disposed on the insulating layer corresponding to the peripheral area and connected to the sensors. A void is formed in the insulating layer between two adjacent lines of the plurality of lines at a boundary of the sensor area and the peripheral area.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Hun Jeong, Woongkwon Kim, Jung Suk Bang, Daecheol Kim, Sungryul Kim, ByeongHoon Cho, Sungjin Mun, Kun-Wook Han
  • Patent number: 9030460
    Abstract: A display apparatus includes pixels, a driver for providing a driving voltage, and conductive lines including a first line, a second line, and a third line. The display apparatus further includes a first circuit electrically connected to the driver for receiving the driving voltage and electrically connected to the pixels for controlling the pixels. The first circuit includes a first chip, a first inner line, a first pad, a second pad, a third pad, a fourth pad, and a fifth pad. The first chip is electrically connected to the driver through the third pad, the fourth pad, the fifth pad, the third line, the second line, the second pad, the first inner line, the first pad, and the first line. The fourth and fifth pads may contribute to consistent resistance for paths that transmit the driving voltage, for enabling desirable display quality of the display apparatus.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woongkwon Kim, Sungryul Kim, Daecheol Kim, Jaewon Kim, Sungjin Mun, Kyung-ho Park, Jung suk Bang, Ki-Hun Jeong, Byeonghoon Cho, Kun-Wook Han
  • Publication number: 20150126858
    Abstract: Fiber scanning optical probes and medical imaging apparatuses including the same are provided. The fiber scanning optical probe includes an optical fiber; an actuator attached onto the optical fiber and configured to drive the optical fiber at a driving resonance frequency; a mass provided at a side of the optical fiber and configured to control the driving resonance frequency; and a frequency separator provided on a portion of the optical fiber between the actuator and the mass, the frequency separator being configured to separate the driving resonance frequency into separate resonance frequencies.
    Type: Application
    Filed: October 14, 2014
    Publication date: May 7, 2015
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-seog CHOI, Ki-Hun JEONG, Hyeon-Cheol PARK, Seun-wan LEE
  • Patent number: 8975145
    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: Grant
    Filed: January 30, 2014
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 8976305
    Abstract: A display apparatus includes a light generating part and a display panel. The display panel includes a first substrate, and a second substrate facing the first substrate. The second substrate includes a plurality of pixel units including a sensor sensing the light generated from the light generating part and reflected from an object disposed on the display panel, and a pixel. The display panel further includes a light blocking member which is positioned at a position corresponding to an area in which the sensor is disposed and prevents the light generated from the light generating part from being directly incident to the sensor. The light blocking member is disposed on the first substrate.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungryul Kim, Daecheol Kim, Woongkwon Kim, Ki-Hun Jeong, Sungjin Mun, Jung suk Bang, Byeonghoon Cho, Kun-Wook Han
  • Publication number: 20150010864
    Abstract: Provided are a meta-photoresist capable of transferring mask patterns on which fine patterns having a diffraction limit or less are formed, on a substrate, and a lithography method using the same, wherein the meta-photoresist contains a photosensitive resin layer and a metal particle layer which is a layer of metal particles arranged so as to be spaced apart from each other.
    Type: Application
    Filed: June 4, 2014
    Publication date: January 8, 2015
    Inventors: Ki-Hun Jeong, Youngseop Lee, Jae-Beom Kim
  • Publication number: 20150002927
    Abstract: Provided are a gradient index lens using the effective refractive index of a microstructure operating in the terahertz frequency regions and mid-infrared regions at wavelengths of 0.8 m to 3 mm and a method for manufacturing the same. Based on the effective medium theorem, the effective refractive index is controlled by using a structure smaller than the mid-infrared and terahertz wavelength, and a gradient can be provided for the refractive index in a radial direction and in an axial direction. Thus, beams in the mid-infrared and terahertz frequency region can be converged.
    Type: Application
    Filed: December 14, 2012
    Publication date: January 1, 2015
    Inventors: Ki-hun Jeong, Sang-gil Park
  • Patent number: 8907924
    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: Grant
    Filed: April 20, 2011
    Date of Patent: December 9, 2014
    Assignee: Samsung Display Co., Ltd.
    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: 8901691
    Abstract: A touch sensing substrate includes a substrate, a first light sensing element, a second light sensing element and a first bias line. The first light sensing element includes a first gate electrode, a first active pattern overlapping with the first gate electrode, a first source electrode partially overlapping with the first active pattern and a first drain electrode partially overlapping with the first active pattern. The second light sensing element includes a second gate electrode, a second active pattern overlapping with the second gate electrode, a second source electrode partially overlapping with the second active pattern and a second drain electrode partially overlapping with the second active pattern. The first bias line is connected to the first and second gate electrodes.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Jong Yeo, Byeong-Hoon Cho, Ki-Hun Jeong, Hong-Kee Chin, Jung-Suk Bang, Woong-Kwon Kim, Sung-Ryul Kim, Hee-Joon Kim, Dae-Cheol Kim, Kun-Wook Han