Patents by Inventor A Youn Cho

A Youn Cho 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: 11081063
    Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Youn Cho, Sang Kil Kim, Hyo Jung Kim, Jong Woo Park, Dong Gi Ahn, Jong Won Lee, Ju Hee Lee, Young Tae Choi
  • Publication number: 20210223096
    Abstract: An optical measurement device includes an optical sensor which measures an optical waveform of a reference object or a measurement object, a learner which receives a first optical waveform of the reference object from the optical sensor and learns frequency characteristics of the first optical waveform, a filter generator which analyzes the frequency characteristics of the first optical waveform and generates a frequency filter, a frequency modeling unit which receives a second optical waveform of the measurement object from the optical sensor and models frequency characteristics of the second optical waveform, and an optical characteristic detector which calculates an optical characteristic index of the second optical waveform based on an output value of the frequency modeling unit and the frequency filter.
    Type: Application
    Filed: January 20, 2021
    Publication date: July 22, 2021
    Inventors: Dae Youn CHO, Eu Gene KIM, Ji Ho MOON, Jong Woo PARK, Young Tae CHOI
  • Publication number: 20210196649
    Abstract: Proposed is a patch for the alleviation and prevention of acne, in which anti-acne activity of a biodegradable metal represented by MgaZnbXc (in which a, b and c are wt % of individual components, a+b+c=100 wt %, 0?a?100, 0?b?100, and 0?c?10, among which a or b is the greatest, and X is at least one selected from the group consisting of Ca, Fe, Mn, Si, Na, Zr, Ce, and P) is demonstrated, thus exhibiting novel use thereof as a patch for the alleviation and prevention of acne.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 1, 2021
    Inventor: Sung Youn CHO
  • Patent number: 11043231
    Abstract: A speech enhancement method is provided. The speech enhancement method includes: estimating a direction of a speaker by using an input signal, generating direction information indicating the estimated direction, detecting speech of a speaker based on a result of the estimating the direction, and enhancing the speech of the speaker by using the direction information based on a result of the detecting the speech.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-youn Cho, Weiwei Cui, Seung-yeol Lee
  • Publication number: 20210182017
    Abstract: A display apparatus includes a user inputter receiving a user input; a content receiver receiving content data from a content source; a display configured to display an image included in the content data; a sound output configured to output sound included in the content data; and a processor configured to decode the content data into sound data, set a sound parameter according to a result of reinforcement learning about the sound parameter based on the user input, convert the sound data into a sound signal according to the set sound parameter, and control the sound output to output the sound corresponding to the sound signal.
    Type: Application
    Filed: November 1, 2018
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Beom KIM, Sun Min KIM, Jae Youn CHO, In Woo HWANG, Ki Woong KANG
  • Patent number: 11017719
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jung Kim, Tae Young Kim, Yong Sung Park, Jong Woo Park, Mi Seon Seo, Keun Soo Lee, Ki Ju Im, Dae Youn Cho, Young Tae Choi, Hyun Cheol Hwang
  • Publication number: 20210134918
    Abstract: An organic light emitting display device may include a first active pattern disposed on a substrate and including a first region, a second region, and a third region; a first gate electrode disposed on the first active pattern and forming a first transistor together with the first region and the second region; a second gate electrode disposed on the first active pattern and forming a second transistor together with the second region and the third region; a third gate electrode disposed on the first gate electrode, overlapping the second region, and forming a storage capacitor together with the first gate electrode; a metal pattern disposed between the first active pattern and the third gate electrode and overlapping the second region; and an organic light emitting diode electrically connected to the first transistor, the second transistor, and the storage capacitor.
    Type: Application
    Filed: September 28, 2020
    Publication date: May 6, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Ho MOON, Jong Woo PARK, Dae Youn CHO, Young Tae CHOI
  • Publication number: 20210074801
    Abstract: A display apparatus includes a substrate; a lower conductive layer including a protective pattern and an auxiliary conductive pattern on the substrate; a buffer layer on the lower conductive layer; an active pattern on the buffer layer and overlapping the protective pattern; a first insulation layer on the active pattern; and a first conductive layer on the first insulation layer, the first conductive layer including a gate electrode overlapping the active pattern and a load matching line overlapping the auxiliary conductive pattern.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventors: Ju Hee LEE, Jongwoo PARK, Youngtae CHOI, Dae Youn CHO
  • Publication number: 20210016070
    Abstract: A multi-type microneedle is proposed. The multi-type microneedle includes: a substrate part; a plurality of needle holes provided in the substrate part; a plurality of needle parts provided at a predetermined distance from each other along a circumferential direction of each of the needle holes on an area of the substrate part partitioning each of the needle holes; and a patch in contact with a user's skin while in contact with one surface of the substrate part, wherein since the needle parts is provided in a certain pattern around one needle hole by further having a drug injection part or a drug storage part capable of additionally supplying a drug, the needle parts are inserted into a predetermined area of the skin so that the drug to be delivered into the body may be rapidly diffused or permeated subcutaneously, and also an amount of the drug delivered is controlled.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 21, 2021
    Inventors: Sung Youn CHO, Hyun Wook CHOO, Woo Jin CHUNG
  • Patent number: 10877521
    Abstract: A display device includes a flexible substrate, a display element on the flexible substrate and including a thin film transistor, a metal layer disposed at a lower portion of the flexible substrate, and an air layer formed between the flexible substrate and the metal layer.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jung Kim, Tae Young Kim, Jong Woo Park, Dae Youn Cho, Ki Ju Im, Young Tae Choi
  • Publication number: 20200398034
    Abstract: A high-density microneedle of the present disclosure includes: a sheet portion attached to skin; a substrate portion arranged on the sheet portion; and a plurality of insertion pieces arranged on the substrate portion, wherein the substrate portion is arranged on the sheet portion while having a plurality of layers formed therein.
    Type: Application
    Filed: November 28, 2018
    Publication date: December 24, 2020
    Inventor: Sung Youn CHO
  • Patent number: 10854143
    Abstract: An organic light-emitting display device includes a display unit having a plurality of pixel units. The display device also includes a timing controller for calculating a black bias pixel ratio (BBPR) of the display unit based on image signals provided by an external source and for generating a control signal based on the BBPR. The BBPR is the ratio of a number of pixel units in a black state to a total number of pixel units. A power supply unit provides a driving voltage to the display unit based on the control signal from the timing controller, wherein the power supply unit provides a first driving voltage to the display unit when the BBPR is less than a reference value and provides a second driving voltage, which is higher than the first driving voltage, otherwise.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Youn Cho, Tae Young Kim, Hee Jin Kim, Jong Woo Park, Young Tae Choi
  • Patent number: 10847601
    Abstract: A display apparatus includes a substrate; a lower conductive layer including a protective pattern and an auxiliary conductive pattern on the substrate; a buffer layer on the lower conductive layer; an active pattern on the buffer layer and overlapping the protective pattern; a first insulation layer on the active pattern; and a first conductive layer on the first insulation layer, the first conductive layer including a gate electrode overlapping the active pattern and a load matching line overlapping the auxiliary conductive pattern.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Hee Lee, Jongwoo Park, Youngtae Choi, Dae Youn Cho
  • Publication number: 20200327850
    Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 15, 2020
    Inventors: Dae Youn Cho, Ji Ho Moon, Jong Woo Park, Young Tae Choi
  • Patent number: 10783756
    Abstract: A medium storage apparatus for an automated teller machine includes a main body, a body cover installed at the main body, and a medium storage box attached to or detached from one side of the body cover while sliding into and out of the body cover and configured to stores a medium. The medium storage apparatus further includes a side door provided on at least one of both side surfaces of the medium storage body and configured to open and close an inner space of the medium storage box. An opening is formed on at least one side surface of the body cover, and the side door is disposed to face the opening.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: September 22, 2020
    Assignee: HYOSUNG TNS INC.
    Inventors: Ji Youn Cho, Dong Won Min, Sung Ho Park
  • Publication number: 20200293267
    Abstract: The disclosure relates to an electronic apparatus including: a user input unit; an audio output unit; and a processor configured to identify whether a changing pattern of audio volume levels is present based on a history of the audio volume levels set by a user for a predetermined period of time, perform automatic volume-level control, by which an audio volume level of the audio output unit is controlled based on the changing pattern of the audio volume levels, based on presence of the corresponding pattern, and perform no automatic volume-level control, based on absence of the changing pattern of the audio volume levels.
    Type: Application
    Filed: October 1, 2018
    Publication date: September 17, 2020
    Inventors: Jae-youn CHO, Sun-min KIM, Ki-beom KIM
  • Publication number: 20200243006
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Application
    Filed: September 11, 2019
    Publication date: July 30, 2020
    Inventors: Hyo Jung KIM, Tae Young KIM, Yong Sung Park, Jong Woo Park, Mi Seon SEO, Keun Soo LEE, Ki Ju IM, Dae Youn CHO, Young Tae CHOI, Hyun Cheol HWANG
  • Publication number: 20200211334
    Abstract: A medium storage apparatus for an automated teller machine includes a main body, a body cover installed at the main body, and a medium storage box attached to or detached from one side of the body cover while sliding into and out of the body cover and configured to stores a medium. The medium storage apparatus further includes a side door provided on at least one of both side surfaces of the medium storage body and configured to open and close an inner space of the medium storage box. An opening is formed on at least one side surface of the body cover, and the side door is disposed to face the opening.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 2, 2020
    Inventors: Ji Youn CHO, Dong Won MIN, Sung Ho PARK
  • Patent number: 10656712
    Abstract: This patent relates to a mobile terminal and a method of controlling an operation of the same. The method of controlling an operation of a mobile terminal includes displaying a file list and scroll arrows for scrolling the file list on a touch screen. When the scroll arrow is touched and entered, the file list is scrolled at a scroll speed previously set in response to a time when the scroll arrow is touched and entered. A vibration signal to identify at least one of a scroll speed and a current scrolling position of the file list is provided. Accordingly, when a file list is scrolled, a scroll speed or a current scrolling position can be easily identified by a tactile sense.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: May 19, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Min Joo Kim, Hang Jun Cho, Jeong Hyuk Yoon, Yun Hwan Kang, Sung Eun Bang, Sang Hyun Lee, Min Soo Park, Hyo Jin Suh, Hye Youn Cho, Hye Eun Shin, Si Il Hwang
  • Patent number: D904398
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: December 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Woo Park, Ju Hee Lee, Dae Youn Cho, Young Tae Choi