Patents by Inventor Tae Wook Kang

Tae Wook Kang 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: 20170179431
    Abstract: An organic light-emitting display apparatus is provided. The display apparatus includes a pixel-defining layer disposed on a substrate, wherein the pixel-defining layer defines an emission region and a non-emission region, an organic light-emitting device disposed in the emission region, and a protruding portion disposed on a portion of the pixel-defining layer in the non-emission region. The display apparatus also includes a thin film encapsulating layer disposed on the substrate for sealing the organic light-emitting device and the protruding portion, the thin film encapsulating layer comprising at least one organic film and at least one inorganic film, wherein at least one organic film corresponds to a functional organic film, and a height of a first upper surface of the functional organic film disposed away from the protruding portion is lower than a height of a second upper surface of the functional organic film disposed near a top of the protruding portion.
    Type: Application
    Filed: March 9, 2017
    Publication date: June 22, 2017
    Inventor: Tae-Wook KANG
  • Publication number: 20170180059
    Abstract: A transceiver includes a transmission module for generating an output signal, a controller for controlling the transmission module to allow an output signal to have one of a first frequency and a second frequency, a reception module for controlling the controller to allow a control signal to be outputted based on completion information received from the outside. The transmission module outputs an output signal having a first frequency to perform human body communication. When the reception module receives completion information, the transmission module outputs an output signal having a second frequency in response to the control signal in order to perform wireless communication. The first frequency is lower than the second frequency.
    Type: Application
    Filed: November 9, 2016
    Publication date: June 22, 2017
    Inventors: Sung Eun KIM, Tae Wook KANG, Kwang IL OH
  • Patent number: 9671446
    Abstract: A noise detection circuit may include a divider configured to receive a clock signal and a clock bar signal, divide the clock signal and the clock bar signal, and generate a first divided signal and a second divided signal. The noise detection circuit may also include a noise detection reference block configured to reflect a power supply voltage level variation on the first divided signal and the second divided signal, and generate a first reference signal and a second reference signal, and a duty sensing circuit configured to generate first duty information and second duty information of the clock signal in response to the first reference signal and the second reference signal. The noise detection circuit may also include a detection circuit configured to generate a noise detection signal in response to the first duty information and the second duty information.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: June 6, 2017
    Assignee: SK hynix Inc.
    Inventor: Tae Wook Kang
  • Publication number: 20170149599
    Abstract: Provided is a method for generating a preamble of a transmission signal for human body communication, the method including using a frequency shift code (FSC) of which a length is adjusted according to an operating clock frequency or a transmission rate and a first pseudo random binary sequence (PRBS) code of p chips where p is a natural number to generate a first preamble unit block of n chips where n is a natural number, using the FSC and a second PRBS code of p? chips to generate a second preamble unit block of n? chips, and arraying the first preamble unit block consecutively and repeatedly and disposing the second preamble unit block at a next stage to form the preamble of the transmission signal.
    Type: Application
    Filed: November 11, 2016
    Publication date: May 25, 2017
    Inventors: Tae Wook KANG, Sung Weon KANG, Hyung-IL PARK, Sung Eun KIM, Jung Bum KIM, Kyung Hwan PARK, Kwang IL OH, In Gi LIM, Byounggun CHOI
  • Publication number: 20170099048
    Abstract: Provided is a power combining device including a comparison circuit configured to output low power comparison signals by comparing a first threshold voltage and levels of voltages of storage elements charged by external power sources according to low power control signals and output high power comparison signals by comparing a second threshold voltage and the levels of the voltages according to high power control signals, a switching signal generation circuit configured to output low power switching signals based on the low power comparison signals and output high power switching signals based on the high power comparison signals, and a switching circuit configured to select loads electrically coupled with the storage elements based on the low power switching signals and the high power switching signals.
    Type: Application
    Filed: March 11, 2016
    Publication date: April 6, 2017
    Inventors: Tae Wook KANG, Sung Eun KIM
  • Patent number: 9614180
    Abstract: An organic light-emitting display apparatus is provided. The display apparatus includes a pixel-defining layer disposed on a substrate, wherein the pixel-defining layer defines an emission region and a non-emission region, an organic light-emitting device disposed in the emission region, and a protruding portion disposed on a portion of the pixel-defining layer in the non-emission region. The display apparatus also includes a thin film encapsulating layer disposed on the substrate for sealing the organic light-emitting device and the protruding portion, the thin film encapsulating layer comprising at least one organic film and at least one inorganic film, wherein at least one organic film corresponds to a functional organic film, and a height of a first upper surface of the functional organic film disposed away from the protruding portion is lower than a height of a second upper surface of the functional organic film disposed near a top of the protruding portion.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Tae-Wook Kang
  • Publication number: 20170077453
    Abstract: An organic :light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 16, 2017
    Inventors: Tae-Wook KANG, Dong-Won HAN, Young-Seo CHOI, Jin-Ho KWACK
  • Publication number: 20170063384
    Abstract: An integrated circuit may include: a phase detector suitable for generating a delay control signal by comparing the phases of first and second clock signals to first and second target positions, a variable delay unit suitable for shifting the first and second clock signals to the first and second target positions, respectively, in response to the delay control signal, and a position controller suitable for varying the first and second target positions according to an operation mode.
    Type: Application
    Filed: January 13, 2016
    Publication date: March 2, 2017
    Inventors: Han-Kyu CHI, Kyung-Hoon KIM, Myeong-Jae PARK, Taek-Sang SONG, Tae-Wook KANG
  • Patent number: 9525310
    Abstract: Provided are an energy harvesting device capable of generating electric energy by effectively obtaining an electromagnetic wave emitted from an indoor lighting device and a power control system of a lighting device capable of performing self-power generation by using the energy harvesting device as a power source. The energy harvesting device using an electromagnetic wave according to an exemplary embodiment of the present disclosure includes: an interface unit made of a conductive material and configured to capture a conductive interference signal transferred through a conductive member of a lighting device; and a rectifier circuit unit configured to rectify the captured conductive interference signal to convert the rectified conductive interference signal to direct current power.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: December 20, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang Hee Hyoung, Sung Weon Kang, Jung Hwan Hwang, In Gi Lim, Jung Bum Kim, Kyung Soo Kim, Kyung Hwan Park, Hyung-Il Park, Tae Young Kang, Sung Eun Kim, Tae Wook Kang, Byoung Gun Choi
  • Patent number: 9496518
    Abstract: An organic light-emitting display apparatus includes a substrate; a display unit which defines an active area on the substrate and includes a thin film transistor and an organic light-emitting device electrically connected to each other; and an encapsulation layer disposed on a top surface and a side surface of the display unit, the encapsulation layer including at least a first inorganic layer, a first organic layer, and a second inorganic layer that are sequentially stacked, and the first organic layer covers the first inorganic layer.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Ho Kwack, Tae-Wook Kang, Dae-Beom Shin, Dong-Won Han
  • Patent number: 9490868
    Abstract: An apparatus and method for transmitting data using a human body. The apparatus includes a parallel bit stream generation unit, a frequency selective spreading unit, a matched filter unit, and a transmission filter unit. The parallel bit stream generation unit outputs a parallel bit stream for an input serial bit stream. The frequency selective spreading unit divides the parallel bit stream into a preset number of bit groups, generates a single code vector by combining orthogonal code vectors corresponding to the respective bit groups, and shifts the center frequency of a transmission signal by spreading the single code vector using a frequency shift code. The transmission filter unit meets a transmit mask for the transmission signal.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: November 8, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae-Wook Kang, In-Gi Lim, Sung-Weon Kang, Kyung-Hwan Park, Chang-Hee Hyoung, Sung-Eun Kim, Jung-Bum Kim, Hyung-Il Park, Byoung-Gun Choi, Jung-Hwan Hwang
  • Patent number: 9490450
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 9450185
    Abstract: A thin-film deposition mask includes a mask body, the mask body having a first surface and a second surface that is an opposite surface of the first surface, the mask body having a plurality of deposition holes therein, and a spacer near the deposition holes, the spacer protruding from the first surface of the mask body in a vertical direction.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Tae-Wook Kang
  • Patent number: 9437666
    Abstract: An organic light emitting diode (OLED) display device, including a first substrate and a second substrate facing each other, a sealant arranged between the first and second substrates to adhere the first and second substrates together, a plurality of interconnections arranged on one of the first and second substrates and a plurality of cladding parts covering at least a portion of each of the plurality of interconnections at a location that corresponds to the sealant, each of the cladding parts including a material having a higher melting point than that of the interconnections. By including the cladding parts, a short circuit between the interconnections caused by heat applied to the sealant can be prevented, and safety and reliability of the OLED display device can be improved.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Yeon Cho, Zail Lhee, Tae-Wook Kang, Hun Kim, Mi-Sook Suh, Hyun-Chol Bang
  • Patent number: 9419459
    Abstract: Disclosed is an energy conversion apparatus. An energy conversion apparatus may comprise a control part controlling a length of a first time duration in which input current is inputted and accumulated, a length of a second time duration in which the accumulated current is provided to a load, and a length of a third time duration in which inverse current flows; and a DC-to-DC converter including an inductor, a output capacitor, and at least one switching element, wherein the input current is accumulated during the first time duration by switching the at least one switching element according to a control of the control part so as to perform input impedance matching, and the DC-to-DC convert provides a current corresponding to a difference between the accumulated current provided during the second time duration and the inverse current flowing from the output capacitor during the third time duration to the load.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 16, 2016
    Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Eun Kim, Tae Wook Kang, Kyung Hwan Park, Sung Weon Kang, Myung Ae Chung
  • Patent number: 9413741
    Abstract: A system, apparatus, and method for sharing content in an electronic device behaving as a cloud electronic device are provided. An electronic device behaving as a guest electronic device includes a controller to detect an input of account information associated with a manager electronic device. The controller of the guest electronic device transmits account information associated with the manager electronic device and accesses the cloud electronic device when the manager electronic device acknowledges the request.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: August 9, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Wook Kang, Suk-Jin Sung, So-Young Kim, Ju-Hee Oh, Il-Han Yoon, Yon-Gi Cho, Young-Keun Choi
  • Publication number: 20160172889
    Abstract: A battery charging system is provided. The battery charging system comprises an energy harvester configured to generate power; an input capacitor configured to store the power; a first DC-DC converter configured to perform maximum power point tracking by receiving the power to extract the maximum power; a storage capacitor configured to store the maximum power; a second DC-DC converter configured to convert the maximum power to a predetermined rechargeable voltage; and a battery configured to store the power converted to the rechargeable voltage, wherein the second DC-DC converter controls to prevent a low voltage from being inputted to the capacitor and to prevent energy from being consumed uselessly in the storage capacitor while converting the voltage.
    Type: Application
    Filed: September 24, 2015
    Publication date: June 16, 2016
    Inventors: Sung-Eun KIM, Tae-Wook KANG
  • Publication number: 20160161653
    Abstract: A wire grid polarizer and a method of fabricating a wire grid polarizer are provided. The wire grid polarizer comprises a substrate configured to have a plurality of recessed patterns disposed on a first surface thereof, a plurality of conductive wire patterns configured to be disposed in the recessed patterns, respectively, of the substrate, and an oxide layer configured to be disposed on the substrate and the conductive wire patterns.
    Type: Application
    Filed: March 12, 2015
    Publication date: June 9, 2016
    Inventors: Jin Lak KIM, Tae Wook KANG, Tae Gyun KIM
  • Patent number: 9362503
    Abstract: A method of manufacturing an organic light-emitting display apparatus including preparing a mother substrate that includes a plurality of display areas; forming a plurality of pixel electrodes on each of the display areas of the mother substrate; preparing a donor mask that includes a base substrate having a plurality of display transferring areas corresponding to the plurality of display areas, the base substrate including a groove between the display transferring areas, a light-to-heat conversion layer on the base substrate, and a reflective layer between the base substrate and the light-to-heat conversion layer and being patterned to include through holes in each of the display transferring areas; depositing a transferring layer on the light-to-heat conversion layer of the donor mask; aligning the mother substrate and the donor mask; and transferring portions of the transferring layer that overlie the through holes onto the pixel electrodes on the mother substrate.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: June 7, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Tae-Wook Kang
  • Publication number: 20160128891
    Abstract: A method and an apparatus for providing space information to a visually handicapped person using a reflected sound of ultrasonic wave. The apparatus for providing space information includes: an ultrasonic transmitting and receiving unit transmitting an ultrasonic wave for acquiring the space information to a surrounding space and receiving a reflected sound of ultrasonic wave reflected from obstacles through at least two channels; and a stereophonic sound converting unit converting the received reflected sound into an audible sound and outputting the audible sound.
    Type: Application
    Filed: November 5, 2015
    Publication date: May 12, 2016
    Inventors: Kyung-Hwan PARK, Byoung-Gun CHOI, Tae-Wook KANG, Sung-Eun KIM