Patents by Inventor Woo Young Choi

Woo Young Choi 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: 20180025783
    Abstract: Provided are a non-volatile memory device and a method of fabricating the same. The non-volatile memory includes a channel layer; a data storage layer disposed on the channel layer; a plurality of control gates arranged on the data storage layer and spaced apart from one another; and one or more sub-gates, at least one of the sub-gates being arranged between two adjacent control gates.
    Type: Application
    Filed: July 24, 2017
    Publication date: January 25, 2018
    Inventor: Woo Young CHOI
  • Publication number: 20180019134
    Abstract: Provided are a non-volatile memory device and a method of fabricating the same. The non-volatile memory includes a channel layer, a data storage layer disposed on the channel layer, a plurality of control gates arranged on the data storage layer and spaced apart from one another, and conductive cover layers disposed on sidewalls of the control gates facing each other. The plurality of control gates includes a first conductor having a first work function. The conductive cover layers include a second conductor having a second work function that is greater than the first work function.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 18, 2018
    Inventor: Woo Young CHOI
  • Patent number: 9864448
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: January 9, 2018
    Assignee: Crucialtec Co., Ltd.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20170372123
    Abstract: The present invention provides a fingerprint sensor module assembly integrated with a cover window for an electronic device. The fingerprint sensor module assembly, according to one embodiment of the present invention, comprises: the cover window; a fingerprint sensor module; and an adhesion part. The cover window is disposed on a front surface of the electronic device. An image is generated from a display module and displayed on the cover window. The fingerprint sensor module is coupled to a seating part which is disposed on a lower surface of the cover window. The fingerprint sensor module comprises a fingerprint sensor having a sensing unit for sensing fingerprints; and a substrate electrically connected to the fingerprint sensor. The adhesion part is disposed between the seating part and the fingerprint sensor module and configured to fix the fingerprint sensor module in the seating part.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 28, 2017
    Inventors: Jong Uk KIM, San KIM, Woo Young CHOI
  • Publication number: 20170364188
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Application
    Filed: September 1, 2017
    Publication date: December 21, 2017
    Inventors: Byung Seong BAE, Ho Sik JEON, Woo Young CHOI, Jong Uk KIM, Jun Suk LEE, So Hyun JEONG, Ju An YOON, Sang A OH
  • Patent number: 9823771
    Abstract: According to an embodiment, the present invention provides a display apparatus capable of image scanning and a driving method thereof. According to an embodiment, the present invention provides a display apparatus capable of image scanning, including a plurality of contact sensors, each of them being arranged so as not to overlap a unit color pixel of a color filter layer and including only one sensing transistor generating a leakage current corresponding to the strength of light reflected from an outside object, a scan line applied with a selective signal selecting at least a part of the contact sensors among the plurality of contact sensors, and a readout line receiving an output signal corresponding to the amount of electric charge charged in a parasitic capacitance of the sensing transistor by the leakage current from a contact sensor applied with the selective signal.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: November 21, 2017
    Assignee: CRUCIALTEC CO., LTD.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20170328270
    Abstract: A valve device for a vehicle may include a pneumatic valve having first and second chambers in which respective pressures thereof are regulated, and a pressure regulation valve coupled to the pneumatic valve, the pressure regulation valve communicating with the first chamber, including a positive pressure side opening and a negative pressure side opening, and selectively opening and closing the positive pressure side opening and the negative pressure side opening to regulate the pressure in the first chamber.
    Type: Application
    Filed: October 5, 2016
    Publication date: November 16, 2017
    Applicants: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Dong Ho CHU, Yang Geol Lee, Woo Young Choi, Jeong Kyu Lim
  • Publication number: 20170243998
    Abstract: In case of forming electrodes for electronic device using a two-dimensional semiconductor, a two-dimensional semiconductor layer doped into n-type or p-type is formed on a substrate, a first area and a second area of the doped two-dimensional semiconductor layer is patterned into a predetermined pattern shape, and a first electrode and a second electrode are formed on the patterned first and second areas, respectively.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jin Hong PARK, Hyung Youl PARK, Jeong Hoon KIM, Woo Young CHOI
  • Publication number: 20170242516
    Abstract: A display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel. The contact sensor includes a pixel electrode forming a contact capacitance by contact with a contact means; a reset transistor where a drain electrode is connected to a node where the contact capacitance is formed, and each of a gate electrode and a source electrode is connected to a first scan line to which a selective signal is applied; an amplifying transistor where a gate electrode is connected to the drain electrode of the reset transistor; and a detecting transistor where a drain electrode is connected to the drain electrode of the amplifying transistor, a gate electrode is connected to a second scan line to which a selective signal is applied, and a source electrode is connected to a readout line detecting a current corresponding to the contact capacitance.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Inventors: Byung Seong BAE, Ho Sik JEON, Woo Young CHOI, Jong Uk KIM, Jun Suk LEE, So Hyun JEONG, Ju An YOON, Sang A OH
  • Publication number: 20170227796
    Abstract: Disclosed is technology for controlling a bias using an integrated circuit (IC) instead of using a pilot tone. A bias control apparatus includes a photodetector configured to convert at least a portion of data included in an output from an optical modulator to an electrical signal; a power detector configured to convert a root mean square (RMS) value of an amplitude of the converted data to an analog voltage; a comparator configured to compare the output voltage and a pre-stored track hold value; and a bias controller configured to control a bias voltage to be within a preset range from an optimal voltage based on the comparison result.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 10, 2017
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Woo Young CHOI, Min Hyeong KIM
  • Publication number: 20170229800
    Abstract: A midplane communication system includes: a midplane; at least one front daughter card configured to connect to a front side of the midplane; at least one rear daughter card configured to connect to a rear side of the midplane in a vertical direction relative to the front daughter card; and an orthogonal connector configured to electrically connect the front daughter card and the rear daughter card, wherein the orthogonal connector is configured to connect to the midplane at a vertical or horizontal offset to include at least one extra connection pin allowing an additional connection when connecting the front daughter card and the rear daughter card.
    Type: Application
    Filed: August 15, 2016
    Publication date: August 10, 2017
    Inventors: Chang Ho CHOI, Tae Sik CHEUNG, Woo Young CHOI
  • Publication number: 20170185762
    Abstract: An electronic device includes a processor and a memory functionally connected to the processor. The electronic device acquires user's biometric information through a biometric sensor, determines virtual biometric information corresponding to the acquired biometric information, and transmits the virtual biometric information to an external electronic device through communication circuitry. The electronic device may include the biometric sensor, the communication circuitry, and the memory may be electrically connected to the biometric sensor and the communication module and store instructions to be executed by the processor.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 29, 2017
    Inventors: Moon-Soo CHANG, Hak-Joo KIM, Sang-Ho PARK, Yong-Jun PARK, Jong-Hoon PARK, In-Jun SON, Yang-Soo LEE, Hyung-Joo CHO, Ho-Dong JWA, Woo-Young CHOI, Dong-Hyun YEOM
  • Patent number: 9688914
    Abstract: Discussed is a liquid crystal material including: a liquid crystal molecule including an alkenyl group; a phenol-based antioxidant; and a light stabilizer for recycling the phenol-based antioxidant.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: June 27, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Kwang Roh, Woo-Young Choi
  • Patent number: 9685978
    Abstract: Disclosed is a serializer, which includes a data signal alignment unit aligning a plurality of data signals with a predetermined phase interval, a transition detection unit detecting a transition of a logic level among the aligned data signals to generate a toggle signal at a transition of the logic level, and a toggle signal conversion unit converting the toggle signal into a serial data signal obtained by serializing the data signals.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 20, 2017
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Woo-Young Choi, Sung-Geun Kim
  • Publication number: 20170170836
    Abstract: The present invention relates to a voltage controlled oscillator and phase locked loop comprising the same for compensating a noise of a power voltage. According to an embodiment of the present invention, a voltage controlled oscillator may comprise: an oscillator comprising a plurality of inverters connected as a ring form for generating a plurality of signals having different phases with each other, and a plurality of feed forward circuits formed between the inverters; and a controller for controlling the inverter and feed forward circuit based on a detected noise by detecting a noise of a power voltage.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 15, 2017
    Inventors: Woo-Young CHOI, Sung-Geun KIM
  • Patent number: 9679182
    Abstract: According to an embodiment of the present invention, a display apparatus capable of image scanning and a method for driving the same are provided. According to an embodiment of the present invention, a display apparatus capable of image scanning is provided including a contact sensor arranged in each unit pixel.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: June 13, 2017
    Assignee: CRUCIALTEC CO., LTD.
    Inventors: Byung Seong Bae, Ho Sik Jeon, Woo Young Choi, Jong Uk Kim, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Patent number: 9580008
    Abstract: A method for warning a back side of a vehicle provided with a rear bumper multi carrier may include determining a carrier position by determining it is in a stowed state or drawing out state of a rear bumper multi carrier when a signal Reverse (R) step of a shift lever is produced, controlling ON or OFF operation of a detector of a rear side obstacle according to the stowed state or drawing out state of the carrier, and producing a warning signal when the rear side obstacle is detected in the detector operation controlling step.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 28, 2017
    Assignee: Hyundai Motor Company
    Inventors: Woo Young Choi, Hyun Gyung Kim, Dong Eun Cha, Seung Mok Lee, Phil Jung Jeong
  • Publication number: 20170000141
    Abstract: Disclosed is a method of manufacturing cut whole kimchi. More particularly, a method of manufacturing cut whole kimchi to enhance productivity while maintaining a shape and characteristics of the whole kimchi is disclosed. The method of manufacturing cut whole kimchi of the present invention includes salting Chinese cabbage after removing a root portion of the Chinese cabbage such that each of Chinese cabbage leaves is separated; washing the salted Chinese cabbage leaves with water to remove salt and foreign materials; mixing the washed Chinese cabbage leaves and seasoning in a mixer to manufacture kimchi; arranging the mixed kimchi in a long axial direction using a sorter to laminate; cutting the arranged kimchi into a constant size using a cutter; and packing the cut kimchi.
    Type: Application
    Filed: April 3, 2015
    Publication date: January 5, 2017
    Inventors: Kyu Chong Cho, Min Soo Kwon, Woo Young Choi, Won Dae Chung
  • Publication number: 20160266695
    Abstract: Disclosed is a fingerprint-sensing display capable of sensing a fingerprint on a display screen. The display apparatus having an image scanning function includes an optical amplification cover, one side of which forms a display surface, including a transparent optical amplification layer configured to amplify an optical pattern generated by a fingerprint of a user in contact with the display surface and a cover window for reinforcement, a thin film transistor (TFT) array configured to drive a plurality of pixels forming an image, and an optical sensor array disposed between the optical amplification cover and the TFT array and configured to sense the optical pattern amplified by the optical amplification cover.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Byung Seong Bae, Jong Uk Kim, Jae Heung Kim, Chang Sup Shim, Ga Won Choi, Ho Sik Jeon, Woo Young Choi, Jun Suk Lee, So Hyun Jeong, Ju An Yoon, Sang A Oh
  • Publication number: 20160233769
    Abstract: A three-level SEPIC converter circuit includes: an input inductor connected to one side of an input terminal; first and second switches connected between the input inductor and the other side of the input terminal in series; a first capacitor and a first diode connected between the first switch and one side of an output terminal in series; a second diode and a second capacitor connected between the other side of the output terminal and the other side of the input terminal in series; first and second output capacitors connected between the output terminals; and an output inductor connected between a node between the first capacitor and the first diode and a node between the second capacitor and the second diode, wherein a node between the first switch and the second switch and a node between the first output capacitor and the second output capacitor are connected.
    Type: Application
    Filed: June 25, 2015
    Publication date: August 11, 2016
    Inventors: Woo-Young CHOI, Yong Cheol KANG