Patents by Inventor Wook Kang

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).

  • GARBAGE COLLECTION METHOD AND APPARATUS
    Publication number: 20240134790
    Abstract: Disclosed herein are a garbage collection method and apparatus. The garbage collection method includes when an area dynamically allocated through a malloc( ) function or a new operator of a standard C library is deallocated through a free( ) function or a delete operator, inserting the deallocated area into a quarantine list, recording a base address and an end address of each of areas inserted into the quarantine list in a CSR_quarantined_chunks register, finding a physical address of a memory page used by a processor and searching data in the memory page for a value included in a quarantined area of the CSR_quarantined_chunks register, when a value included in the quarantined area is not present, setting a state flag bit of the register to 0, and deleting an area which the state flag bit is 0 from the quarantine list, and inserting the area into a free list.
    Type: Application
    Filed: July 31, 2023
    Publication date: April 25, 2024
    Inventors: Dong-Wook KANG, Gae-Il AN, Hong-Il JU
  • METHOD OF PREDICTING A POSITION OF AN OBJECT AT A FUTURE TIME POINT FOR A VEHICLE
    Publication number: 20240127470
    Abstract: In a method of predicting a position of an object at a future time point for a vehicle, video image information at a current time point and at a plurality of time points before the current time point acquired through a camera of the vehicle may be extracted as semantic segmentation image. A mask image imaging an attribute and position information of an object present in each of the video images may be extracted. A position distribution of the object may be predicted by deriving a plurality of hypotheses for a position of the object at a future time point through deep learning by receiving video images at the current time point and the time points before the current time point, a plurality of semantic segmentation images, a plurality of mask images, and ego-motion information of the vehicle, and calculating the plurality of hypotheses as a Gaussian mixture probability distribution.
    Type: Application
    Filed: March 23, 2023
    Publication date: April 18, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Ewha University - Industry Collaboration Foundation
    Inventors: Hyung-Wook Park, Jang-Ho Shin, Seo-Young Jo, Je-Won Kang, Jung-Kyung Lee
  • APPARATUS AND METHOD FOR AUTOMATIC PARKING BASED ON PARKING AREA ENVIRONMENT RECOGNITION
    Publication number: 20240123973
    Abstract: Disclosed herein are an apparatus and method for automatic parking based on recognition of a parking area environment. The method may include searching for an available parking space, determining whether reverse parking is possible by recognizing the environment of the available parking space, recognizing at least one additional vehicle located in the vicinity of the available parking space, and setting a parking destination based on the determination of whether reverse parking is possible and the result of recognition of the at least one additional vehicle.
    Type: Application
    Filed: August 3, 2023
    Publication date: April 18, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung-Gyu KANG, Dong-Jin LEE, Kyoung-Wook MIN
  • Depth-wise convolution accelerator using MAC array processor structure
    Publication number: 20240126831
    Abstract: A depth-wise convolution acceleration device using an MAC array processor structure according to the present invention may include a data output unit, which receives a data of each row of the image from the data buffer and inputs the data into convolution operation blocks while shifting the data N?1 times according to the kernel size (N×N) and a weight output unit, which receives the kernel data from the kernel buffer and sequentially inputs a weight value constituting the kernel data to each of the row convolution operation blocks, and inputs the weight delaying by N clocks if the row increases as N rows.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 18, 2024
    Inventors: Hyo Seung LEE, Seen Suk KANG, Sang Gil CHOI, Seang Hoon KIM, Yong Wook KWON
  • SEMICONDUCTOR DEVICE
    Publication number: 20240120393
    Abstract: A semiconductor device includes a substrate, a first sheet pattern on the substrate, a gate electrode on the substrate and surrounding the first sheet pattern, a first source/drain pattern and a second source/drain pattern respectively connected to a first end and a second end of the first sheet pattern, a contact blocking pattern on a lower side of the second source/drain pattern, a first source/drain contact extending in a first direction and connected to the first source/drain pattern, and a second source/drain contact connected to the second source/drain pattern and extending in the first direction to contact an upper surface of the contact blocking pattern. A depth from an upper surface of the gate electrode to a lowermost portion of the first source/drain contact may be greater than a depth from the upper surface of the gate electrode to the upper surface of the contact blocking pattern.
    Type: Application
    Filed: June 14, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jisoo PARK, Myung Il KANG, Ji Wook KWON, Jung Han LEE, Subin CHOI
  • DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20240122039
    Abstract: A display device includes a substrate including a sub-display area including a transmission area and a main display area adjacent to the sub-display area, a thin film transistor layer disposed on the main display area and the sub-display area, a light emitting element layer disposed on the thin film transistor layer, a thin film encapsulation layer disposed on the light emitting element layer, where first and second through holes are defined through the transmission area to overlap each other, a first planarization layer disposed under the substrate in the main display area and the transmission area to fill the second through hole, and a second planarization layer disposed on the thin film encapsulation layer in the main display area and the transmission area to fill the first through hole. In the transmission area, the first planarization layer and the second planarization layer are in contact with each other.
    Type: Application
    Filed: July 24, 2023
    Publication date: April 11, 2024
    Inventors: Woo Yong SUNG, Tae Wook KANG
  • BACKSIDE ILLUMINATED IMAGE SENSOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20240120362
    Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a light scattering portion in a substrate configured to converge a path of incident light to a photoelectric conversion structure, thereby preventing cross-talk between adjacent pixels and increasing light sensitivity.
    Type: Application
    Filed: March 21, 2023
    Publication date: April 11, 2024
    Inventors: Sang Won YUN, Ju Hwan JUNG, Tae Wook KANG
  • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20240122048
    Abstract: A display device includes a light-emitting device disposed on a substrate and including an emission layer, and a light controller disposed on the light-emitting device. The light controller includes a plurality of main light blocking patterns extending in a first direction and spaced apart from each other in a second direction intersecting the first direction, and a plurality of sub-light blocking patterns disposed between adjacent ones of the plurality of main light blocking patterns, extending in the first direction, and spaced apart from each other in the second direction. Each of the plurality of main light blocking patterns has a first thickness in a thickness direction of the substrate, and each of the plurality of sub-light blocking patterns has a second thickness that is less than the first thickness in the thickness direction of the substrate.
    Type: Application
    Filed: May 31, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kab Jong SEO, Tae Wook KANG, Jun Ho SIM, Jae Hun LEE, Yang-Ho JUNG
  • DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20240121989
    Abstract: A display device includes: a first pixel electrode disposed in a first emission area, on a substrate; an insulating layer covering edges of the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode and the insulating layer; a first common electrode disposed on the first light-emitting layer; banks disposed on the insulating layer and surrounding the first emission area; and a first organic pattern surrounding the first emission area, disposed on the banks, and including the same material as the first light-emitting layer. Side surfaces of each of the banks are spaced apart from side surfaces of the insulating layer.
    Type: Application
    Filed: August 3, 2023
    Publication date: April 11, 2024
    Inventors: Da Woon JUNG, Su Bin BAE, Tae Wook KANG, Sang Gab KIM, Yun Jong YEO, Yu Gwang JEONG
  • DISPLAY DEVICE
    Publication number: 20240121987
    Abstract: A display device includes a substrate; an auxiliary electrode including metal layers stacked in an undercut structure; and a light-emitting element layer. The light-emitting element layer includes a second common layer; and a common electrode which extend to the non-emission area. A side surface of the auxiliary electrode includes a first bonding portion in contact with the second common layer, and a second bonding portion in contact with the common electrode. The auxiliary electrode includes a first side and a second side facing each other in one direction, and a third side and a fourth side facing each other in other direction crossing the one direction. The first bonding portion has a first width at a first point of the first side and has a second width smaller than the first width at a second point of the third side.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Inventors: Yeon Hwa LEE, Duck Jung LEE, Joon Gu LEE, Tae Wook KANG
  • Wireless communication technology, apparatuses, and methods
    Patent number: 11955732
    Abstract: Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: April 9, 2024
    Assignee: Intel Corporation
    Inventors: Erkan Alpman, Arnaud Lucres Amadjikpe, Omer Asaf, Kameran Azadet, Rotem Banin, Miroslav Baryakh, Anat Bazov, Stefano Brenna, Bryan K. Casper, Anandaroop Chakrabarti, Gregory Chance, Debabani Choudhury, Emanuel Cohen, Claudio Da Silva, Sidharth Dalmia, Saeid Daneshgar Asl, Kaushik Dasgupta, Kunal Datta, Brandon Davis, Ofir Degani, Amr M. Fahim, Amit Freiman, Michael Genossar, Eran Gerson, Eyal Goldberger, Eshel Gordon, Meir Gordon, Josef Hagn, Shinwon Kang, Te Yu Kao, Noam Kogan, Mikko S. Komulainen, Igal Yehuda Kushnir, Saku Lahti, Mikko M. Lampinen, Naftali Landsberg, Wook Bong Lee, Run Levinger, Albert Molina, Resti Montoya Moreno, Tawfiq Musah, Nathan G. Narevsky, Hosein Nikopour, Oner Orhan, Georgios Palaskas, Stefano Pellerano, Ron Pongratz, Ashoke Ravi, Shmuel Ravid, Peter Andrew Sagazio, Eren Sasoglu, Lior Shakedd, Gadi Shor, Baljit Singh, Menashe Soffer, Ra'anan Sover, Shilpa Talwar, Nebil Tanzi, Moshe Teplitsky, Chintan S. Thakkar, Jayprakash Thakur, Avi Tsarfati, Yossi Tsfati, Marian Verhelst, Nir Weisman, Shuhei Yamada, Ana M. Yepes, Duncan Kitchin
  • Systems and methods for controlling laser pulsing
    Patent number: 11955765
    Abstract: Techniques are provided for controlling an output laser pulse signal of a medical device. A control device defines a time duration of capacitive discharge to a laser device. The time duration corresponds to an intended energy of the output laser pulse signal. The control device generates a plurality of sub-pulse control signals. The sub-pulse control signals define a series of capacitive discharge events of the capacitor bank. The control device modulates one or more of a sub-pulse control signal period or a sub-pulse time duration of the sub-pulse control signals to modify the capacitive discharge of the capacitor bank to the laser device during the time duration.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 9, 2024
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Jian James Zhang, Baocheng Yang, Xirong Yang, Hyun Wook Kang, Brian Cheng, Peter Bull, Rongwei Jason Xuan, Thomas C. Hasenberg
  • NEUROMORPHIC INTERFACE CIRCUIT AND OPERATING METHOD THEREOF AND NEUROMORPHIC INTERFACE SYSTEM
    Publication number: 20240112002
    Abstract: Disclosed is an interface system including a first neuron cluster that outputs a first neuron signal including a first neuron request and first neuron data by performing a first arithmetic operation, and a first interface circuit that stores the first neuron data and outputs a first response, in response to the first neuron request. The first neuron cluster outputs a second neuron signal including a second neuron request and second neuron data by performing a second arithmetic operation, in response to the first response. Before the first data is transmitted to a second neuron cluster different from the first neuron cluster, the first interface circuit outputs the first response in response to a fact that the first neuron data is stored.
    Type: Application
    Filed: June 29, 2023
    Publication date: April 4, 2024
    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
  • BACKSIDE ILLUMINATED IMAGE SENSOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20240113149
    Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a plurality of sequential layers have different refractive indexes to extend a path of incident light passing through a lens, thereby increasing sensitivity.
    Type: Application
    Filed: March 27, 2023
    Publication date: April 4, 2024
    Inventors: Chang Hun HAN, Ju Hwan JUNG, Sang Won YUN, Tae Wook KANG
  • Content caching optimization system and method
    Patent number: 11949754
    Abstract: Provided are a content caching optimization system and method. The content caching optimization system in which content priority in an information-centric networking (ICN) environment is taken into consideration includes one or more producer terminals configured to generate and provide content, one or more user terminals configured to transmit content requests according to users and receive content according to the content requests, one or more mobile/multiple access edge computings (MECs) configured to predict the number of requests for each piece of content to be requested later on the basis of the content requests received from the user terminals, and a software-defined network (SDN) controller configured to calculate a content popularity using the number of requests for each piece of content predicted by the MECs and perform content caching optimization on the basis of the calculated content popularity and a preset content priority.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 2, 2024
    Assignee: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Yun Won Chung, Min Wook Kang
  • FINGERPRINT FORGERY DETECTION DEVICE AND METHOD OF OPERATING SAME
    Publication number: 20240104962
    Abstract: Disclosed are a fingerprint forgery detection device and a method of operating the same. The fingerprint forgery detection device includes a memory that stores a first feature signal including biological channel feature information of a user, a transmitter including at least one transmission electrode for transmitting a pulse signal to the user, a receiver including at least one reception electrode for receiving a biological channel response signal in response to the transmitted pulse signal, and a signal processor for processing the biological channel response signal to detect whether a fingerprint is forged, and at least one processor that controls the memory, the transmitter, and the receiver.
    Type: Application
    Filed: June 23, 2023
    Publication date: March 28, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wook KANG, Sung Eun KIM, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE
  • FLUORINE-BASED COMPOSITE POLYMER FILM AND PREPARATION METHOD THEREOF
    Publication number: 20240101810
    Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 28, 2024
    Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Eun Ho SOHN, Shin Hong YOOK, Hong Suk KANG, In Joon PARK, Sang Goo LEE, Soo Bok LEE, Won Wook SO, Hyeon Jun HEO, Dong Je HAN, Seon Woo KIM
  • CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20240105938
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present disclosure includes first lithium metal phosphate particles, each first lithium metal phosphate particle having a secondary particle shape formed by aggregation of primary particles and having an average particle diameter (D50) in a range from 5 ?m to 10 ?m, second lithium metal phosphate particles, each having a single particle and having an average particle diameter in a range from 1 ?m to 3 ?m, and third lithium metal phosphate particles, each having a single particle shape and having an average particle diameter less than 1 ?m.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 28, 2024
    Inventors: Min Suk KANG, Ji Yae DO, Min Cheol BEAK, Sang Wook LEE, Yong Hyun CHO
  • Organometallic Compound and Organic Light-Emitting Device Including the Same
    Publication number: 20240107875
    Abstract: Provided are the organometallic compound represented by Formula 1 and an organic light-emitting device including the same: M, X1 to X4, X11, ring CY2 to ring CY4, T1, T2, R1 to R4, and a1 to a4 in Formula 1 are the same as described in the present specification.
    Type: Application
    Filed: October 30, 2023
    Publication date: March 28, 2024
    Inventors: Minsik MIN, Sangmo KIM, Hosuk KANG, Wook KIM, Sungho NAM, Hyejin BAE, Jhunmo SON, Yongsik JUNG, Jun CHWAE
  • LIGHT EMITTING DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20240107808
    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: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE