Patents by Inventor Sung Ho Cho

Sung Ho 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).

  • Publication number: 20160133195
    Abstract: A data driver supplies data voltages to data lines based on gray values corresponding to display pixels, and supplies a compensation data voltage to an auxiliary data line based on a gray value of a repaired pixel. The data driver computes a coupling voltage between the auxiliary line and the display pixels according to the gray values corresponding to the display pixels, and determines the compensation data voltage according to the coupling voltage.
    Type: Application
    Filed: July 17, 2015
    Publication date: May 12, 2016
    Inventors: Kyong-Tae PARK, Dong-Yoon SO, Sung-Ho CHO, Yu-Hyun CHO
  • Patent number: 9329296
    Abstract: Provided are an underwater detector and a method for an underwater detection, and more particularly, an underwater detector including two direct current electrodes and a plurality of measurement electrodes in order to sense a movement of an object having conductivity different from that of water underwater. Since the underwater detector according to the present invention includes two direct current electrodes, a plurality of measurement electrodes, and a control and measurement module for measuring voltages of the plurality of measurement electrodes, the plurality of measurement electrodes each include an electrode control module and the electrode control module includes a first switch, a second switch, a controlling unit, and the like, the number of voltage measurement lines may be small and a voltage between two selected electrodes may be easily calculated.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 3, 2016
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Hyun-Key Jung, Sung-Ho Cho, Hyo Sun Lee, Hyoung Rae Rim
  • Patent number: 9331304
    Abstract: An organic light-emitting display device and a method of manufacturing the same are disclosed. The organic light-emitting display device (OLED) may include a first substrate with an element region and an encapsulation region surrounding the element region, a second substrate facing the first substrate, an organic light-emitting element interposed between the first substrate and the second substrate and formed in the element region, and an encapsulant interposed between the first substrate and the second substrate and formed in the encapsulation region. The encapsulant may include both a first encapsulant and a second encapsulant. The second encapsulant formed within the first encapsulant and is adjacent to at least one of the first substrate and the second substrate.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung Ho Cho
  • Patent number: 9321039
    Abstract: The present invention provides a catalyst for the decomposition of a perfluorinated compound containing a halogen acid gas, and a preparation method thereof. According to the present invention, the Ru—P—Al tri-component catalyst for the decomposition of a perfluorinated compound shows an excellent decomposition activity and durability with respect to the decomposition and removal of a perfluorinated compound containing a halogen acid gas, and thus can be used to decompose a chamber cleaning gas, an etchant, a solvent and the like of a perfluorinated compound from the semiconductor manufacturing industry to the LCD processing field. In addition, the present invention can be useful for decomposing and removing a perfluorinated compound discharged in a process using a halogen acid gas such as F2, Cl2, Br2 and the like.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: April 26, 2016
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, ECOPRO CO., LTD.
    Inventors: Won Choon Choi, Yong Ki Park, Na Young Kang, Min-Whee Cho, Song-Jong Cho, Sung Ho Cho, Sung Jin Yoon, Young-Ju Son
  • Publication number: 20160104431
    Abstract: An organic light emitting display device including data lines, an auxiliary data line, and a compensation data line, a display area including display pixels connected to the data lines, a nondisplay area including auxiliary pixels connected to the auxiliary data line, and compensation pixels connected to the compensation data line, and auxiliary lines connected to the auxiliary pixels and the compensation pixels.
    Type: Application
    Filed: June 8, 2015
    Publication date: April 14, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160104421
    Abstract: An organic light emitting display device, includes: pixels connected to scan lines, light emission lines, and data lines crossing the scan lines and the light emission lines, and including organic light emitting diodes, and pixel driving circuits to output a driving current to the organic light emitting diodes, respectively; a plurality of dummy driving circuits to output a dummy driving current; a dummy data line to apply a dummy data voltage to the plurality of dummy driving circuits; and a plurality of repair lines to electrically connect each of the organic light emitting diodes to at least one of the plurality of dummy driving circuits, wherein each of the dummy driving circuits corresponds to at least two of the repair lines, and each of the organic light emitting diodes is to be electrically connected to corresponding ones of the dummy driving circuits through corresponding ones of the repair lines.
    Type: Application
    Filed: August 18, 2015
    Publication date: April 14, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160098956
    Abstract: An organic light emitting display device includes a display area and a non-display area. The display area includes display pixels at crossing areas of data lines, scan lines, and emission control lines. The non-display area includes auxiliary pixels at crossing positions of auxiliary data lines, scan lines, and emission control lines. The display device also includes a scan driver to supply scan signals to the scan lines, a first data driver to supply data voltages to the data lines, a second data driver to supply an auxiliary data voltage to the auxiliary data line, and a demultiplexer between the data lines and the first data driver.
    Type: Application
    Filed: July 7, 2015
    Publication date: April 7, 2016
    Inventors: Kyong-Tae PARK, Dong-Yoon SO, Sung-Ho CHO, Yu-Hyun CHO
  • Publication number: 20160089052
    Abstract: A method and device for measuring biometric data using a UWB radar are disclosed. The disclosed method includes: (a) determining a respiratory rate by using reflection signals reflected off a target patient; (b) extracting respiration signals from the reflection signals, removing the extracted respiration signals from the reflection signals and converting into signals of a frequency domain; and (c) determining a heartbeat rate by detecting peak values from the frequency-domain signals converted in said step (b).
    Type: Application
    Filed: June 23, 2015
    Publication date: March 31, 2016
    Inventors: Sung Ho CHO, Faheem KHAN, Jeong Woo CHOI
  • Patent number: 9291860
    Abstract: A display device includes a lower substrate; an upper substrate facing the lower substrate; a display element layer in a display area of the lower substrate and including a thin film transistor; and a sealing body in a peripheral area surrounding the display area, having a closed curve shape, and between the lower substrate and the upper substrate, in which the sealing body includes a first portion and a second portion, the first portion and the second portion respectively extending along different directions from each other, and the first portion and the second portion respectively have different deposition structures from each other.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Ho Cho, Mi Jin Yoon, Yong-Je Jeon
  • Publication number: 20160078811
    Abstract: An organic light emitting display device includes display pixels, auxiliary pixels, and a plurality of signal lines. The signal lines include data lines, auxiliary data lines, scan lines, and emission control lines. The auxiliary pixels are to be used for repairing defective ones of the display pixels. In operation, scan signals are supplied in a unit of p scan lines, A emission control signals are to be supplied in a unit of p A emission control lines, and B emission control signals are to be supplied in a unit of p B emission control lines, where p?2.
    Type: Application
    Filed: June 9, 2015
    Publication date: March 17, 2016
    Inventors: Kyong-Tae PARK, Tae-Gon KIM, Dong-Yoon SO, Sung-Ho CHO
  • Publication number: 20160078810
    Abstract: An organic light emitting display device includes data lines and an auxiliary data line, scan lines and emission control lines crossing the data lines and the auxiliary data line, display pixels at crossing regions of the data lines, the scan lines and the emission control lines, auxiliary pixels at crossing regions of the auxiliary data line, the scan lines and the emission control lines, and auxiliary lines coupled to the auxiliary pixels. Each of the auxiliary pixels includes a discharge transistor coupled to one of the auxiliary lines and a first power voltage line to which a first power voltage is supplied and a discharge transistor controller including a plurality of transistors and configured to control the discharge transistor.
    Type: Application
    Filed: June 1, 2015
    Publication date: March 17, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160055198
    Abstract: A computer device for controlling a storage device based on non-volatile memory is provided. The computer device includes a file modification detector configured to detect whether a data structure in a database file has been deleted using an identifier recorded in the database file to indicate whether the data structure is deleted or not; and a command generator configured to generate an advanced-trim command including information corresponding to the deleted data structure and to transmit the command to the storage device.
    Type: Application
    Filed: August 18, 2015
    Publication date: February 25, 2016
    Inventors: Young Jin PARK, Chan Ik PARK, Sung Ho CHO
  • Patent number: 9206522
    Abstract: An electronic device case and a surface treatment method thereof are provided in which an exterior case is diecast of an aluminum alloy, an aluminum alloy layer is deposited on an outer surface of the exterior case, an oxidized coating layer is formed on a surface of the aluminum alloy layer, and a sealing layer is formed atop the oxidized coating layer and may seal pores therein. A pigment colored layer may be formed between the oxidized coating layer and the sealing layer.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: December 8, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Ho Cho, Woon-Sik Lee
  • Publication number: 20150348466
    Abstract: A pixel repair circuit and organic light-emitting diode (OLED) display having the same are disclosed. In one aspect, the pixel repair circuit includes an emission controller configured to control the emission current and a repair line initialization unit configured to initialize the repair line. The pixel repair circuit further includes a current mirror unit configured to provide a mirror current of the emission current to the repair line initialization unit, wherein the current mirror unit is connected between a power supply voltage and the emission controller. The pixel repair circuit also includes a first emission switch configured to control an electrical connection between the emission controller and the current mirror unit based on an emission control signal and a second emission switch configured to control an electrical connection between the emission controller and the repair line based on the emission control signal.
    Type: Application
    Filed: December 5, 2014
    Publication date: December 3, 2015
    Inventors: Kyong-Tae PARK, Tae-Gon KIM, Dong-Yoon SO, Sung-Ho CHO
  • Publication number: 20150346373
    Abstract: Provided are an underwater detector and a method for an underwater detection, and more particularly, an underwater detector including two direct current electrodes and a plurality of measurement electrodes in order to sense a movement of an object having conductivity different from that of water underwater. Since the underwater detector according to the present invention includes two direct current electrodes, a plurality of measurement electrodes, and a control and measurement module for measuring voltages of the plurality of measurement electrodes, the plurality of measurement electrodes each include an electrode control module and the electrode control module includes a first switch, a second switch, a controlling unit, and the like, the number of voltage measurement lines may be small and a voltage between two selected electrodes may be easily calculated.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 3, 2015
    Inventors: Hyun-Key JUNG, Sung-Ho CHO, Hyo Sun LEE, Hyoung Rae RIM
  • Patent number: 9196804
    Abstract: A display apparatus which can be uniformly sealed by an inhomogeneous laser beam is disclosed. One inventive aspect includes a display substrate, an encapsulation substrate and a sealing portion. On the display substrate, a display unit, including a display device, is formed. The encapsulation substrate is formed to face the display substrate. The sealing portion is formed to surround the display unit and bond the display substrate and the encapsulation substrate to each other.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ho Cho, Ji-Yong Park
  • Publication number: 20150262526
    Abstract: A display apparatus includes: pixels at a display area; dummy pixels at a dummy area; and repair lines coupled to the dummy pixels and connectably arranged to the pixels, each of the dummy pixels including: a driving transistor configured to output a driving current corresponding to a data signal applied to a gate electrode thereof; an emission control transistor between a connection node of a corresponding repair line of the repair lines and the driving transistor, configured to be controlled by an emission control signal; a bypass transistor between the connection node and a first initialization voltage line through which a first initialization voltage is supplied, configured to be controlled by an initialization control signal; and a coupling removal transistor between the connection node and the first initialization voltage line, configured to be controlled by a coupling control signal applied at a different timing from the initialization control signal.
    Type: Application
    Filed: August 22, 2014
    Publication date: September 17, 2015
    Inventors: Kyoung-Tae Park, Tae-Gon Kim, Warrick So, Sung-Ho Cho
  • Publication number: 20150224455
    Abstract: A refrigerator and a control method thereof are provided. The refrigerator includes a carbonated water producing apparatus configured to produce carbonated water by supplying water and carbon dioxide gas to a carbonated water tank, a user interface configured to display information of carbonated water concentration, and a control unit configured to control the carbonated water producing apparatus to produce the carbonated water according to the information of carbonated water concentration, wherein the user interface displays a set concentration of the carbonated water and a present concentration of the carbonated water.
    Type: Application
    Filed: February 9, 2015
    Publication date: August 13, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-Sung KIM, Jung Yeob KIM, Sung Ho CHO, Kyung-Tae KO
  • Publication number: 20150199230
    Abstract: A memory system includes a memory controller, a memory cell array, a location information storage unit, an address mapping table, an address conversion unit, and a mapping information calculation unit. The memory controller generates a logical address signal and an address re-mapping command. The memory cell array includes a plurality of logic blocks. The location information storage unit stores location information corresponding to faulty memory cells included in the memory cell array. The address mapping table stores address mapping information. The address conversion unit converts the logical address signal to a physical address signal corresponding to the memory cell array based on the address mapping information. The mapping information calculation unit generates the address mapping information to reduce the number of logic blocks including the faulty memory cells based on the location information upon the mapping information calculation unit receiving the address re-mapping command.
    Type: Application
    Filed: October 27, 2014
    Publication date: July 16, 2015
    Inventors: MI-KYOUNG PARK, Dong-Yang Lee, Sun-Young Lim, Bu-Il Jung, Ju-Yun Jung, Sung-Ho Cho, Hee-Joo Choi, Min-Yeab Choo, Hyuk Han
  • Publication number: 20150195941
    Abstract: A display panel and display device having the same are disclosed. In one aspect, the display panel includes a first substrate including a display region configured to display images and a non-display region surrounding the display region. The display panel further includes a metal pattern disposed in the non-display region, a second substrate opposing the first substrate, and a sealant disposed between and substantially sealing the first and second substrates, wherein the sealant at least partially overlaps the metal pattern. The metal pattern includes a body portion surrounding the display region and a plurality of protrusions extending from the body portion in a direction from the display region to the non-display region.
    Type: Application
    Filed: December 15, 2014
    Publication date: July 9, 2015
    Inventors: Sung-Ho CHO, Ki-Hyuk KIM, Ji-Yong PARK