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: 20230289582
    Abstract: A neuron circuit including a first internal circuit that receives a plurality of spike input signals, generates a first sum value by summing a plurality of synaptic weights corresponding to the plurality of spike input signals, and outputs a second sum value by adding a membrane potential value to the first sum value, a spike generating circuit that generates a spike output signal, a membrane potential generating circuit that generates the membrane potential value, a second internal circuit that counts a last spike time based on the spike output signal, and an online learning circuit that receives a last input time from the first internal circuit and performs LTP learning based on the last input time or receives the last spike time from the second internal circuit and performs LTD learning based on the last spike time.
    Type: Application
    Filed: December 19, 2022
    Publication date: September 14, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young Hwan BAE, Jae-Jin LEE, Tae Wook KANG, Sung Eun KIM, Kyung Jin BYUN, Kwang IL OH, In San JEON
  • Publication number: 20230259745
    Abstract: Disclosed is a spike neural network circuit including an axon circuit that generates a first input spike signal, a conversion table that converts a first fire probability of a first neuron corresponding to the first input spike signal into a first threshold value, and a probabilistic operator. The probabilistic operator includes a random number generator that generates a random number value based on an event that the first input spike signal is at a first logic level, a random number comparator that generates a first comparison signal by comparing the first threshold value with the random number value, and a spike generator that generates an output spike signal corresponding to the first neuron based on an event that the first comparison signal is at the first logic level.
    Type: Application
    Filed: November 18, 2022
    Publication date: August 17, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang IL OH, Jae-Jin LEE, Tae Wook KANG, Hyuk KIM, In San JEON
  • Publication number: 20230251731
    Abstract: Provided is a display device that includes a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas, an insulating layer disposed on the display panel, a first conductive pattern overlapping the non-light emitting area and directly disposed on the insulating layer, a color filter layer overlapping the light emitting areas and disposed on the insulating layer, a first insulating layer disposed on the first conductive pattern and the color filter layer and in which opening parts overlapping the light emitting areas are defined, and a second conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Inventors: Ji-Hyun Kim, Woongsik Kim, Jin-Su Byun, Tae Wook Kang, Gwangmin Cha, Saehee Han
  • Patent number: 11715201
    Abstract: Provided is a capsule endoscope. The capsule endoscope includes: an imaging device configured to perform imaging on a digestive tract in vivo to generate an image; an artificial neural network configured to determine whether there is a lesion area in the image; and a transmitter configured to transmit the image based on a determination result of the artificial neural network.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 1, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Il Oh, Tae Wook Kang, Sung Eun Kim, Mi Jeong Park, Seong Mo Park, Hyung-Il Park, Jae-Jin Lee, In Gi Lim
  • Publication number: 20230215980
    Abstract: A display device may include: a substrate including a plurality of pixel areas each including an emission area and a non-emission area; and a pixel located in each of the pixel areas. The pixel may include: a light emitting element including a first end and a second end that face each other; a first electrode located on the first end of the light emitting element and electrically connected to the first end; and a second electrode located on the second end of the light emitting element and electrically connected to the second end. The first electrode and the second electrode may include different conductive materials, and have different thicknesses.
    Type: Application
    Filed: December 21, 2022
    Publication date: July 6, 2023
    Inventors: Si Kwang KIM, Tae Wook KANG, Dong Min LEE
  • Publication number: 20230214467
    Abstract: Disclosed are a biometric authentication device and a fingerprint authentication device including the same. The biometric authentication device includes a clock generator that generates a clock signal, an authentication signal generator that generates an authentication signal based on the clock signal, a transmission electrode that transmits the authentication signal to a contact body, a reception electrode that receives a channel pass signal in which the authentication signal passes through a channel of the contact body, and a biometric authenticator that restores the channel pass signal and compares the restored channel pass signal with the authentication signal to generate a biometric authentication signal indicating whether the contact body is a biological tissue. According to the present disclosure, it is possible to improve the security of a fingerprint authentication device.
    Type: Application
    Filed: November 10, 2022
    Publication date: July 6, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang IL OH, Tae Wook KANG, Seong-Eun KIM, Jae-Jin LEE
  • Publication number: 20230188121
    Abstract: Disclosed is an entropy generation apparatus, which includes a detector that detects particles emitted from the radiation source to generate a detection signal; a preamplifier that amplifies the detection signal to generate an amplified signal; a filter that filters the amplified signal to generate a filtered signal; and a comparator that generates a pulse based on a result of comparing the filtered signal with a threshold value.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 15, 2023
    Inventors: Jong Bum KIM, Jin Joo KIM, Kyung Hwan PARK, Seong Mo PARK, Kwang Jae SON, Byoung Gun CHOI, Sang Mu CHOI, Jin Tae HONG, Jin KIM, Tae Wook KANG, Ki Su KIM
  • Publication number: 20230180523
    Abstract: Provided is a display device comprising a substrate including a first sub-display area and a main display area surrounding the first sub-display area, a first transistor disposed on the main display area without overlapping the first sub-display area, a via insulating layer to cover the first transistor, a first light emitting element to overlap the main display area without overlapping the first sub-display area, a second light emitting element to overlap the first sub-display area without overlapping the main display area, and a transparent oxide layer to overlap the first sub-display area without overlapping the main display area, wherein the transparent oxide layer includes a conductive portion and a non-conductive portion, the first light emitting element is disposed to overlap the first transistor while being connected thereto, and the second light emitting element is connected to the conductive portion of the transparent oxide layer.
    Type: Application
    Filed: September 26, 2022
    Publication date: June 8, 2023
    Inventors: Hyun Ah SUNG, Tae Wook KANG, Hyun Min CHO, Dong Min LEE
  • Patent number: 11650681
    Abstract: Provided is a display device that includes a display panel including a plurality of light emitting areas and a non-light emitting area between the light emitting areas, an insulating layer disposed on the display panel, a first conductive pattern overlapping the non-light emitting area and directly disposed on the insulating layer, a color filter layer overlapping the light emitting areas and disposed on the insulating layer, a first insulating layer disposed on the first conductive pattern and the color filter layer and in which opening parts overlapping the light emitting areas are defined, and a second conductive pattern overlapping the non-light emitting area and disposed on the first insulating layer.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hyun Kim, Woongsik Kim, Jin-Su Byun, Tae Wook Kang, Gwangmin Cha, Saehee Han
  • Patent number: 11642026
    Abstract: The human body sensing device includes a contact sensing unit that includes a sensing electrode and a signal electrode, an activation module that senses a contact with a body through the sensing electrode when the sensing electrode and the signal electrode contact the body and outputs a wake-up signal in response to the sensing of the contact, and a human body communication unit that provides a ground voltage to the signal electrode and outputs a data signal to the signal electrode when the wake-up signal from the activation module is received.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: May 9, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Eun Kim, Kwang Il Oh, Tae Wook Kang, Hyuk Kim, Mi Jeong Park, Hyung-Il Park, Kyung Jin Byun, Jae-Jin Lee, In Gi Lim
  • Publication number: 20230140256
    Abstract: Disclosed is an electronic device that supports a neural network including a neuron array including neurons, a row address encoder that receives spike signals from neurons and outputs request signals in response to the received spike signals, and a row arbiter tree that receives request signals from the row address encoder and outputs response signals in response to the received request signals. The row arbiter tree includes a first arbiter that arbitrates first and second request signals among request signals, a first latch circuit that stores a state of the first arbiter, a second arbiter that arbitrates third and fourth request signals among request signals, a second latch circuit that stores a state of the second arbiter, and a third arbiter that delivers a response signal to the first and second arbiters based on information stored in the first and second latch circuits.
    Type: Application
    Filed: October 13, 2022
    Publication date: May 4, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Eun KIM, Tae Wook KANG, Hyuk KIM, Young Hwan BAE, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE, In San JEON
  • Publication number: 20230125421
    Abstract: Disclosed is operation method of an encoder that receives a continuous time-series signal and respectively transmits first to N-th input signals to first to N-th input neuron circuits of spike neural network circuit. The method of operating the encoder includes receiving the continuous time-series signal, generating a plurality of discrete quantum signals by sampling and quantizing the continuous time-series signal, selecting first to N-th discrete quantum signals among the plurality of discrete quantum signals, matching the selected first to N-th discrete quantum signals with the first to N-th input neuron circuits, respectively, identifying discrete quantum signals, each of which has a quantum level different from a quantum level of a previous discrete quantum signal, from among the second to N-th discrete quantum signals, and activating the input signals to be transmitted to the input neuron circuits corresponding to the identified discrete quantum signals and the first discrete quantum signal.
    Type: Application
    Filed: August 23, 2022
    Publication date: April 27, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wook KANG, Sung Eun KIM, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE
  • Publication number: 20230112253
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 µm to about 2 µm, and a length of the channel of the third transistor is in a range of about 1 µm to about 2.5 µm.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 13, 2023
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE
  • Patent number: 11615744
    Abstract: Provided is a display device. The display device comprises a substrate, and a plurality of sub-pixels disposed on the substrate and including alight emitting element and a sub-pixel circuit driving the light emitting element. The sub-pixel circuit comprises a driving transistor controlling a driving current flowing through the light emitting element, a first transistor and a second transistor connected in series between a first node, which is a drain electrode of the driving transistor, and a second node, which is a gate electrode of the driving transistor, to receive the same scan signal, and a gate auxiliary electrode disposed on a gate electrode of the first transistor or the second transistor. The gate auxiliary electrode is connected to the gate electrode of the first transistor or the second transistor.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: March 28, 2023
    Inventors: Keun Woo Kim, Tae Wook Kang, Doo Na Kim, Han Bit Kim, Jae Seob Lee, Jae Hwan Chu
  • Patent number: 11607120
    Abstract: Provided are a capsule endoscopic receiving device, a capsule endoscope system including the same, and an operating method of the capsule endoscopic receiving device, the capsule endoscopic receiving device including an analog front end configured to receive a preamble from one receiving electrode pair from among a plurality of receiving electrodes, a valid signal detection circuit configured to compare a reference voltage with input data generated on a basis of a voltage level of the preamble, and a preamble processor configured to select a final electrode pair configured to receive the image data on a basis of a correlation value of the preamble and a comparison result of the input data and the reference voltage. According to the inventive concept, stability of receiving image data may be secured by selecting an optimal receiving electrode pair.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: March 21, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang Il Oh, Hyung-Il Park, Tae Wook Kang, Sung Eun Kim, Mi Jeong Park, Jae-Jin Lee, In Gi Lim
  • Publication number: 20230076780
    Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.
    Type: Application
    Filed: November 11, 2022
    Publication date: March 9, 2023
    Inventors: Hyun Min CHO, Tae Wook KANG, Tae Sung KIM, Dae Won CHOI, Sang Gab KIM
  • Publication number: 20230063106
    Abstract: The present disclosure relates to a display device which includes: a substrate; a semiconductor layer disposed on the substrate and including a driving transistor and a second transistor each of which including a channel, a first region, and a second region; a first gate insulating layer disposed on the semiconductor layer, a gate electrode of the second transistor disposed on the first gate insulating layer and overlapping the channel of the second transistor; a second gate insulating layer disposed on the gate electrode of the gate electrode of the second transistor; and a gate electrode of the first driving transistor disposed on the second gate insulating layer and overlapping the channel of the driving transistor.
    Type: Application
    Filed: April 15, 2022
    Publication date: March 2, 2023
    Inventors: Keun Woo KIM, Tae Wook KANG, Jae Seob LEE
  • Publication number: 20230068675
    Abstract: Disclosed is an encoder including event layer outputs first and second event signals, weight layer applies first and second weights to the first and second event signals respectively, and provides the first event signal in which the first weight is applied and the second event signal in which the second weight is applied to first node, and first spike generation circuit generates first input spike signal of which firing period is changed based on voltage level of the first node. The voltage level of the first node is reduced continuously, increases for first voltage corresponding to the first weight in response to the first event signal activated, and increases for second voltage corresponding to the second weight in response to the second event signal activated.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 2, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Eun KIM, Tae Wook KANG, Hyuk KIM, Young Hwan BAE, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE, In San JEON
  • Publication number: 20230048617
    Abstract: A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.
    Type: Application
    Filed: April 7, 2022
    Publication date: February 16, 2023
    Inventors: Jun Gi KIM, Jeong Won KIM, Tae Wook KANG, Jong Hee PARK, Hyun Eok SHIN
  • Publication number: 20230032440
    Abstract: A display device includes: a flexible display panel having a display area and a non-display area disposed adjacent to the display area; a supporting member provided at a predetermined area of the flexible display panel adjacent to one side of the flexible display panel, wherein the non-display area of the flexible display panel contacts the supporting member and surrounds the supporting member while being bent at a bend angle, and the bend angle of the non-display area is variously adjusted by the supporting member.
    Type: Application
    Filed: October 14, 2022
    Publication date: February 2, 2023
    Inventor: Tae Wook KANG