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: 11923882
    Abstract: A hybrid communication device, an operation method thereof, and a communication system including the same are provided. The hybrid communication device includes a contact unit that includes an antenna for receiving a first communication signal and an electrode for receiving a second signal, a switch controller that includes a first switch and a second switch and controls the first switch and the second switch based on a change in capacitance of the electrode, and a signal processing unit that receives at least one of the first communication signal and the second communication signal from the contact unit via the first switch and processes the received signal. The first switch is connected to the contact unit, and the signal processing unit is connected to the first switch.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: March 5, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Wook Kang, Sung Eun Kim, Hyung-Il Park, Jae-Jin Lee, Hyuk Kim, Kyung Hwan Park, Mi Jeong Park, Kyung Jin Byun, Kwang Il Oh, In Gi Lim
  • Patent number: 11910659
    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: Grant
    Filed: August 26, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
  • Publication number: 20240031404
    Abstract: A counterattack method against a hacked node in a controller area network (CAN) bus physical layer includes: setting node IDs (NIDs), which are different unique IDs, for each of a plurality of nodes connected to a CAN bus line; determining that an error frame is generated when at least one of a node using a forged NID, a node using a different NID, and a node using a non-existent NID is found; increasing counts of a transmit error counter (TEC) and a receive error counter (REC) of a transmitting node and a receiving node whenever the error frame is generated; and allowing a node of which the count of the TEC or REC is greater than a set threshold value to enter a bus-off state to block the node.
    Type: Application
    Filed: December 28, 2020
    Publication date: January 25, 2024
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Seong Soo LEE, Tae Wook KANG
  • Publication number: 20240016012
    Abstract: A display device includes: a substrate; a semiconductor on the substrate; a first gate insulating layer on the semiconductor; a gate electrode on the first gate insulating layer, and overlapping with the semiconductor; a signal line spaced from the gate electrode; a sacrificial layer on the signal line, and including an amorphous silicon material; an interlayer insulating layer on the gate electrode and the sacrificial layer; a source electrode on the interlayer insulating layer, and connected to a first region of the semiconductor; a drain electrode on the interlayer insulating layer, and connected to a second region of the semiconductor; and a connecting member on the interlayer insulating layer, and connected to the signal line.
    Type: Application
    Filed: May 22, 2023
    Publication date: January 11, 2024
    Inventors: DAWOON JUNG, Yu-Gwang JEONG, Su Bin BAE, Tae Wook KANG
  • Patent number: 11871617
    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 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Woo Kim, Tae Wook Kang, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Jae Seob Lee
  • Patent number: 11844244
    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: Grant
    Filed: August 9, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Suk Ko, Tae Wook Kang, Kab Jong Seo, Bo Geon Jeon
  • Patent number: 11782482
    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: Grant
    Filed: October 14, 2022
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Tae Wook Kang
  • Patent number: 11785805
    Abstract: A display device includes: a plurality of pixels on a substrate, each of the plurality of pixels including a light emitting element and a pixel circuit configured to drive the light emitting element, wherein the pixel circuit of each of the plurality of pixels comprises: a first-first transistor configured to control a driving current flowing through the light emitting element based on a voltage of a first node; a first-second transistor connected in series with the first-first transistor and configured to control the driving current based on a voltage of a second node; a second transistor configured to selectively supply a data voltage to a third node which is a first electrode of the first-first transistor; a third-first transistor connected between the first node and a fourth node which is a second electrode of the first-second transistor; and a third-second transistor connected between the second node and the fourth node.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Kim, Tae Wook Kang
  • Publication number: 20230307487
    Abstract: A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.
    Type: Application
    Filed: December 21, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Min LEE, Hyun Ah SUNG, Tae Wook KANG, Young Rok KIM, Kyu Soon PARK, Joon Yong PARK, Hyun Eok SHIN, Jong Hyun CHOUNG
  • Publication number: 20230306247
    Abstract: Disclosed is a neuron circuit, which includes a first bias circuit that adds a bias current to an input current to generate a biased input current, a logarithm-based neuron calculation circuit that performs a logarithm calculation on an amount of current of the biased input current to generate an input logarithm value and generates a biased output voltage by performing a logarithm-based Hodgkin-Huxley model calculation based on the input logarithm value, and a second bias circuit that adds a bias voltage to the biased output voltage to generate an output voltage.
    Type: Application
    Filed: December 2, 2022
    Publication date: September 28, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: In San JEON, Hyuk KIM, Jae-Jin LEE, Tae Wook KANG, Sung Eun KIM, Young Hwan BAE, Kyung Jin BYUN, Kwang IL OH
  • 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