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).

  • Patent number: 11418267
    Abstract: Provided is a receiver. The receiver according to the inventive concept includes a first filter circuit, a second filter circuit, and an amplifier. The first filter circuit provides a first path for first frequency components below first cutoff frequency of input frequency components and passes second frequency components except for the first frequency components of the input frequency components through second path. The second filter circuit attenuates third frequency components below a second cutoff frequency of the second frequency components. The amplifier amplifies the second frequency components including the attenuated third frequency components.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: August 16, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Il Oh, Sung Eun Kim, Tae Wook Kang, Hyuk Kim, Mi Jeong Park, Hyung-Il Park, Kyung Jin Byun, Jae-Jin Lee, In Gi Lim
  • Publication number: 20220246702
    Abstract: A display device includes: a substrate; a first signal line and a second signal line disposed on the substrate; and an interlayer-insulating layer disposed between the first signal line and the second signal line. The interlayer-insulating layer includes a first portion and a second portion having different heights measured from a surface of the substrate along a first direction that is perpendicular to the surface of the substrate, an upper surface of the first portion of the interlayer-insulating layer is flat, a surface of the second portion of the interlayer-insulating layer is flat, a height of the first portion is lower than a height of the second portion, the interlayer-insulating layer defines a contact hole, and the contact hole is disposed in the first portion of the interlayer-insulating layer.
    Type: Application
    Filed: October 26, 2021
    Publication date: August 4, 2022
    Inventors: Byoung Kwon Choo, Seung Bae Kang, Hee Sung Yang, Bong Gu Kang, Tae Wook Kang, Woo Jin Cho
  • Patent number: 11403515
    Abstract: Provided is a spike neural network circuit. The spike neural network circuit includes an axon configured to generate an input spike signal, a synapse including a first transistor for outputting a current according to a weight and a second transistor connected to the first transistor and outputting the current according to an input spike signal, a neuron configured to compare a value according to the current output from the synapse with a reference value and generate an output spike signal based on a comparison result, and a radiation source attached to a substrate on which the synapse is formed, configured to output radiation particles to the synapse, and configured to increase magnitudes of threshold voltages of the first and second transistors of the synapse.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 2, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang IL Oh, Byounggun Choi, Tae Wook Kang, Sung Eun Kim, Seong Mo Park, Jae-Jin Lee
  • Patent number: 11372623
    Abstract: A random number generating device includes a particle detector, a pulse generator, a clock counter, and a random number converter. The particle detector detects particles emitted from a radioactive isotope. The pulse generator generates pulses corresponding to the particles. The clock counter counts the number of clock cycles during time intervals between the pulses and generates a plurality of count values. The random number converter adjusts a clock frequency, based on a minimum value and a maximum value of the plurality of count values and converts a target count value generated depending on the adjusted clock frequency into a random number.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: June 28, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyung Hwan Park, Seong Mo Park, Byounggun Choi, Sung Weon Kang, Tae Wook Kang, Jae-Jin Lee, In Gi Lim
  • Publication number: 20220199745
    Abstract: A display device includes a substrate including a display area and a pad area, a transistor including an active layer disposed in the display area, a gate electrode disposed on the active layer, and a source electrode and a drain electrode disposed on the gate electrode, a fan-out line disposed in the pad area, an auxiliary line disposed on the fan-out line, a first interlayer insulating layer disposed between the gate electrode and the source electrode and between the fan-out line and the auxiliary line, and a first organic layer disposed between the first interlayer insulating layer and the auxiliary line, wherein the first organic layer does not overlap the display area.
    Type: Application
    Filed: September 29, 2021
    Publication date: June 23, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Gyung Min BAEK, Tae Wook KANG, Shin Il CHOI
  • Publication number: 20220201611
    Abstract: Disclosed is an operating method of a user communication device, which includes receiving a wakeup signal from a stationary communication device over a first human body communication channel, the wakeup signal having a frequency in a low frequency band, switching from a standby mode to a wakeup mode in response to the wakeup signal, and receiving a data signal from the stationary communication device over the first human body communication channel during the wakeup mode, and the first human body communication channel is provided by a body of a user of the user communication device.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 23, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyuk KIM, HYUNG-IL PARK, Tae Wook KANG, Sung Eun KIM, Mi Jeong PARK, Kyung Jin BYUN, KWANG IL OH, Sukho LEE, Jae-Jin LEE, In Gi LIM, Kyuseung HAN
  • Patent number: 11366639
    Abstract: The exemplary embodiments of the present invention provide a quantum random number generation apparatus according to an exemplary embodiment of the present invention including: a space-division semiconductor detector including a plurality of cells, each individually absorbing a plurality of emission particles emitted from a radioactive isotope; and a signal processor that generates a random number based on an absorption event at which the plurality of emission particles are absorbed into the plurality of cells, and thus new type of random number conversion method that combines a spatial randomness and existing temporal randomness of the emission particle can be provided, there is no restriction generated due to the dead time, the random number generation rate can be remarkably increased, and it is possible to generate of a pure random number at high speed, which is required by a computer, a network processor, or an IoT device.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 21, 2022
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KOREA ATOMIC ENERGY RESEARCH INSTITUT
    Inventors: Kyung-Hwan Park, Tae Wook Kang, Jong Bum Kim, Jin Joo Kim, Seong Mo Park, Kwang-Jae Son, Young Rang Uhm, Byounggun Choi, Sang Mu Choi, Jintae Hong
  • Patent number: 11346992
    Abstract: A light unit including: a light source; and an optical member that transmits and converts light emitted from the light source, wherein the optical member includes: a light guide; a low refractive index layer that is disposed on the light guide and has a lower refractive index than that of the light guide; a first capping layer that is disposed on the low refractive index layer; and a wavelength conversion layer that is disposed on the first capping layer and includes quantum dots, and the light guide includes a transparent metal oxide.
    Type: Grant
    Filed: December 15, 2019
    Date of Patent: May 31, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Ok Kim, Chui Min Bae, Ji Hye Han, Tae Wook Kang, Yong Seok Kim, Shin Il Choi
  • Publication number: 20220156556
    Abstract: Disclosed is a spiking neural network circuit, which includes an axon circuit that generates an input spike signal, a first synapse zone and a second synapse zone each including one or more synapses, wherein each of the synapses is configured to perform an operation based on the input spike signal and each weight, and a neuron circuit that generates an output spike signal based on operation results of the synapses. The input spike signal is transferred to the first synapse zone and the second synapse zone through a tree structure, and each of branch nodes of the tree structure includes a driving buffer.
    Type: Application
    Filed: September 1, 2021
    Publication date: May 19, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang IL OH, Tae Wook KANG, Sung Eun KIM, Hyuk KIM, Hyung-IL PARK, Jae-Jin LEE
  • Publication number: 20220156590
    Abstract: Disclosed is a method for learning an artificial neural network in a synapse of an artificial intelligence system including generating, by an input neuron of the artificial intelligence system, a first input signal, generating, by the input neuron, a second input signal after a predetermined time, generating, by an output neuron of the artificial intelligence system, an output signal in response to the first input signal and the second input signal that are generated by the input neuron, and adjusting, by the synapse of the artificial intelligence system, connection strength of the artificial neural network based on a temporal order of the first input signal and the second input signal that are generated by the input neuron.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 19, 2022
    Inventors: Sung Eun KIM, Tae Wook KANG, Hyuk KIM, Kwang IL OH
  • Publication number: 20220140024
    Abstract: A display device includes: a substrate; first banks spaced apart from each other on the substrate; a first electrode and a second electrode covering the first banks and spaced apart from each other; a light-emitting element between the first electrode and the second electrode; a first contact electrode connected to the first electrode and contacting one end of the light-emitting element; and a second contact electrode connected to the second electrode and contacting another end of the light-emitting element. The first contact electrode includes a first material, the second contact electrode includes a second material, and physical properties of the first material and the second material are different from each other.
    Type: Application
    Filed: August 9, 2021
    Publication date: May 5, 2022
    Inventors: Min Suk KO, Tae Wook KANG, Kab Jong SEO, Bo Geon JEON
  • Patent number: 11298009
    Abstract: Provided is and electrode selection device communicating with a capsule endoscope. The device includes an analog front end configured to recover first data based on first signals transmitted from the capsule endoscope to a first electrode and a second electrode, recover second data based on second signals transmitted from the capsule endoscope to the first electrode and a third electrode, and recover third data based on third signals transmitted from the capsule endoscope to the second electrode and the third electrode, and a digital receiver configured to calculate a first correlation value between the first and second electrodes, a second correlation value between the first and third electrodes, and a third correlation value between the second and third electrodes based on the first to third data. The digital receiver calculates first to third correlation sums, and selects a receiving electrode pair based on the first to third correlation sums.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: April 12, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Mi Jeong Park, Hyung-Il Park, Tae Wook Kang, Sung Eun Kim, Hyuk Kim, Kwang Il Oh, Jae-Jin Lee, In Gi Lim
  • Publication number: 20220109808
    Abstract: Disclosed is a network-on-chip including a first data converter that receives first image data and second image data from at least one image sensor and encodes one image data among the first image data and the second image data, into first data, based on whether the first image data is identical to the second image data and a second data converter that receives non-image data from at least one non-image sensor and encodes the received non-image data into second data. The network-on-chip outputs the first data and the second data to transmit the first data and the second data to an external server at a burst length.
    Type: Application
    Filed: August 11, 2021
    Publication date: April 7, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sukho LEE, Sang Pil KIM, Young Hwan BAE, Jae-Jin LEE, Kyuseung HAN, Tae Wook KANG, Sung Eun KIM, Hyuk KIM, Kyung Hwan PARK, Hyung-IL PARK, Kyung Jin BYUN, Kwang IL OH, In Gi LIM
  • Publication number: 20220085123
    Abstract: A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 17, 2022
    Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
  • Patent number: 11259371
    Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: February 22, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hong Chan Jeon, Mi Jung Yun, Oh Deok Kwon, Hyung Joon Youn, Afandi Mohammad Malik, Jong Su Kim, Tae Wook Kang, Jong Ho Ryu
  • Publication number: 20220052078
    Abstract: Provided is a display device. The display device comprises a first substrate, wherein a first contact hole is defined in the first substrate, a barrier layer on the first substrate, wherein a second contact hole is defined in the barrier layer and connected to the first contact hole, a first connection line on the barrier layer and inserted into the second contact hole, a second substrate covering the first connection line and the barrier layer, and a thin-film transistor layer on the second substrate and including at least one thin-film transistor. The thin-film transistor layer further includes a second connection line connected between the first connection line and the at least one thin-film transistor.
    Type: Application
    Filed: July 29, 2021
    Publication date: February 17, 2022
    Inventors: Ji Hyun KIM, Tae Wook KANG, Chul Min BAE
  • Patent number: 11233583
    Abstract: A human body communication device includes an electrode, a matching circuit, a switch providing a first path electrically connected to the matching circuit and a second path electrically connected to the matching circuit, a sensor, in a first state, connected to the matching circuit through the switch, outputting a first sensing signal to the matching circuit, and outputting a second sensing signal when a difference between a signal generated from the matching circuit in response to the first sensing signal and the first sensing signal is greater than or equal to a threshold, a transmitter, in a second state, connected to the matching circuit through the switch, and outputting a data signal to the matching circuit, and a controller controlling the switch from the first state to the second state in response to receiving the second sensing signal from the sensor, in the first state.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: January 25, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Eun Kim, Tae Wook Kang, Hyuk Kim, Kwang IL Oh, Kyung Hwan Park, Mi Jeong Park, Hyung-IL Park, Kyung Jin Byun, Jae-Jin Lee, In Gi Lim
  • Patent number: 11222917
    Abstract: Disclosed is a backside illuminated image sensor and a method of manufacturing the same and, more particularly, a backside illuminated image sensor and a method of manufacturing the same, in which a height difference is between a pixel region and a surrounding region having a boundary between on an uppermost or back surface of a substrate, thereby eliminating one or more problems that occur when a thickness of a color filter in the pixel region is uneven.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: January 11, 2022
    Assignee: DB HiTek Co., Ltd.
    Inventors: Chang-Hun Han, Tae-Wook Kang
  • Patent number: 11216747
    Abstract: Provided is an artificial intelligence system. The system includes a first sensor configured to generate a first sensing signal during a sensing time, a second sensor disposed adjacent to the first sensor and configured to generate a second sensing signal during the sensing time, a pre-processing unit configured to select valid data according to a magnitude of a differential signal generated based on a difference between the first sensing signal and the second sensing signal, and an artificial intelligence module configured to analyze the valid data to generate result data.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: January 4, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Eun Kim, Seong Mo Park, Kwang IL Oh, Tae Wook Kang, Mi Jeong Park, Hyung-IL Park, Jae-Jin Lee, In Gi Lim
  • Publication number: 20210384929
    Abstract: Disclosed are a human body communication receiver and an operating method thereof, which may effectively remove low frequency noise. The human body communication receiver according to the present disclosure includes a receiving electrode, a virtual electrode, a filter circuit that is connected between the receiving electrode and the virtual electrode, and removes low frequency noise from a signal received through the receiving electrode to generate a high frequency signal, a low frequency reconstruction circuit that is connected to a rear end of the filter circuit and reconstructs a low frequency baseband signal by rectifying the high frequency signal, and an amplifying circuit that is connected to a rear end of the low frequency reconstruction circuit, and amplifies the low frequency baseband signal.
    Type: Application
    Filed: April 22, 2021
    Publication date: December 9, 2021
    Inventors: Kwang IL OH, Tae Wook KANG, Sung Eun KIM, Hyuk KIM, Hyung-IL PARK, Kyung Jin BYUN, Jae-Jin LEE, In Gi LIM