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: 12356802
    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: Grant
    Filed: April 15, 2022
    Date of Patent: July 8, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Kim, Tae Wook Kang, Jae Seob Lee
  • Publication number: 20250200346
    Abstract: Disclosed is a data processing device of the spiking neural network, which includes a discretizer that receives time-series data, discretizes the time-series data based on sampling, and outputs sampled time-series data, and a control unit that receives the sampled time-series data, extracts a voltage feature and a time feature from the sampled time-series data, and increases the number of spikes firing in an input neuron each corresponding to the voltage feature and the time feature extracted from a plurality of input neurons including first to n-th input neurons, with respect to the ā€œnā€, which is an arbitrary positive integer.
    Type: Application
    Filed: August 15, 2024
    Publication date: June 19, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wook KANG, Sung Eun KIM, Hyuk KIM, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE
  • Publication number: 20250195578
    Abstract: The present invention relates to a culture medium for isolating and culturing urine-derived stem cells, a method for isolating and culturing urine-derived stem cells using the culture medium, urine-derived stem cells cultured in the culture medium, and a cell therapy product composition containing same.
    Type: Application
    Filed: April 19, 2022
    Publication date: June 19, 2025
    Inventors: Hong-Ki LEE, Seong-Hun LEE, Sang-Heon KIM, Jeong-Ah JIN, Tae-Wook KANG, Hyung-Joon SO, Su-Bin SO, Kyu-Sung JUNG, Jae-Ung LEE, Jin-Sang YOON, Young-Jun LEE
  • Publication number: 20250194358
    Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.
    Type: Application
    Filed: February 24, 2025
    Publication date: June 12, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Tae Wook KANG, Bum Mo SUNG, Yun Jung OH, Yong Su LEE
  • Publication number: 20250169205
    Abstract: Proposed is a method of manufacturing a micro-lens of an image sensor. More particularly, in the method of manufacturing a micro-lens of an image sensor, a micro-lens is formed to have a thicker vertical thickness than that formed by a conventional method, so that the concentrating efficiency of light incident on individual pixels is improved.
    Type: Application
    Filed: January 2, 2024
    Publication date: May 22, 2025
    Inventors: Chul Woo HWANG, Ju Hwan JUNG, Tae Wook KANG
  • Publication number: 20250151521
    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: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE
  • Patent number: 12284879
    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: Grant
    Filed: November 11, 2022
    Date of Patent: April 22, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Tae Wook Kang, Tae Sung Kim, Dae Won Choi, Sang Gab Kim
  • Publication number: 20250120670
    Abstract: The present invention relates to a technology for recognizing and determining an extent of a liver being examined by an operator during an ultrasound liver examination. In one aspect, a method of determining an extent of liver examination performed by a device for determining an extent of liver examination may include receiving an ultrasound image taken of a region of a liver as input, extracting features from the ultrasound image, determining a cross-section of the liver for which the ultrasound image was taken on the basis of the extracted features, and determining an extent of liver examination taken in the ultrasound image on the basis of the determined cross-section of the liver.
    Type: Application
    Filed: October 17, 2024
    Publication date: April 17, 2025
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Sukhan LEE, Tae Wook KANG, Jong Hwan SHIN, Ji Soo HAN, Jin Seong CHO
  • Patent number: 12267631
    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: Grant
    Filed: August 11, 2021
    Date of Patent: April 1, 2025
    Assignee: 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: 20250081478
    Abstract: Proposed are a deep trench capacitor and a method of manufacturing the same that compensate for a thin thickness in bottom corner areas of an oxide film (e.g., SiO2) grown by thermal oxidation in a deep trench to prevent a deterioration in breakdown voltage characteristics due to electric field concentration in the corner areas of the oxide film, or that relatively flatten widthwise inner sidewalls of the deep trench to improve the breakdown voltage characteristics and gap-fill characteristics of a device.
    Type: Application
    Filed: October 24, 2023
    Publication date: March 6, 2025
    Inventors: Chang Hun HAN, Man Lyun HA, Tae Wook KANG
  • Patent number: 12245475
    Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: March 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Tae Wook Kang, Bum Mo Sung, Yun Jung Oh, Yong Su Lee
  • Publication number: 20250070808
    Abstract: Disclosed is a wake-up circuit including a preprocessing unit that generates a first signal by removing noise from an input signal, a comparison unit that generates a second signal based on the first signal and weight data, an output circuit that generates a power signal based on the second signal and an initialization signal, and a micro control unit (MCU) that generates the initialization signal based on a state signal received from the output circuit. The comparison unit includes a spike neuron network structure that generates the second signal by applying the weight data to the first signal. The output circuit supplies power to an external sensor node in response to the power signal.
    Type: Application
    Filed: May 14, 2024
    Publication date: February 27, 2025
    Inventors: Sung Eun KIM, Tae Wook KANG, Hyuk KIM, Young Hwan BAE, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE, In San JEON
  • Patent number: 12225770
    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: November 30, 2023
    Date of Patent: February 11, 2025
    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: 12225787
    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: Grant
    Filed: September 29, 2021
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyung Min Baek, Tae Wook Kang, Shin Il Choi
  • Patent number: 12225464
    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: Grant
    Filed: December 16, 2021
    Date of Patent: February 11, 2025
    Assignee: 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: 12213348
    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: February 15, 2024
    Date of Patent: January 28, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
  • Publication number: 20240428047
    Abstract: Disclosed is a spiking neural network circuit, which includes an axon circuit that generates first and second input spike signals, a synapse circuit that generates a first current based on the first input spike signal and a weight and generates a second current based on the second input spike signal and the weight, a capacitor that forms a first membrane voltage based on the first current, and a neuron circuit including a comparator and that resets the first membrane voltage, and after the capacitor further forms a second membrane voltage based on the second current, and the comparator includes a first input terminal and a second input terminal, receives the first membrane voltage through the first input terminal and a reference voltage through the second input terminal, generates a first spike signal based on a first comparison operation of the first membrane voltage and the reference voltage.
    Type: Application
    Filed: January 25, 2024
    Publication date: December 26, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kwang IL OH, Tae Wook KANG, Hyuk KIM, Jae-Jin LEE
  • Publication number: 20240397773
    Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Inventors: Hyun Min CHO, Tae Wook KANG, Sang Gun CHOI, Shin Il CHOI, Yun Jung OH, Myoung Geun CHA
  • Patent number: 12147263
    Abstract: A low power system on chip for supporting partial clock gating is provided. The system on chip includes a network on chip including a first CG-network interface module, a second CG-network interface module, and a clock gating control module, a first IP block that communicates through the first CG-network interface module, and a second IP block that communicates through the second CG-network interface module. The clock gating control module receives a clock gating request from the first IP block, outputs a communication control signal to the second CG-network interface module in response to the received clock gating request, and performs a clock gating operation for a clock signal in response to the received clock gating request to selectively deliver the clock signal to the second IP block.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: November 19, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyuseung Han, Tae Wook Kang, Sung Eun Kim, Hyuk Kim, Hyung-Il Park, Kwang Il Oh, Jae-Jin Lee
  • Publication number: 20240378429
    Abstract: Disclosed is a spiking neural network circuit, which includes an axon circuit that generates an input spike signal, a synapse circuit that outputs a current based on the input spike signal and a weight, a capacitor that forms a membrane voltage based on the current, and a neuron circuit that generates an output spike signal based on the membrane voltage, and the neuron circuit includes a first comparator that generates an intermediate spike signal based on the membrane voltage and a first reference voltage, and a second comparator that generates the output spike signal based on the intermediate spike signal, the membrane voltage, and a second reference voltage that is different from the first reference voltage.
    Type: Application
    Filed: January 8, 2024
    Publication date: November 14, 2024
    Inventors: Kwang IL OH, Tae Wook KANG, Hyuk KIM, Jae-Jin LEE