Patents by Inventor Won Cha

Won Cha 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: 11326390
    Abstract: A foam spacer applicator may include: a conveyer unit configured to automatically transfer a glass panel; a foam head unit disposed at a predetermined distance from the front side of the conveyer unit, and configured to automatically supply and bond a spacer to the glass panel transferred from the conveyer unit through a combination of an X-axis horizontal operation and a Y-axis elevation operation through an elevation guide plate disposed with a vertical structure; and a magazine unit disposed at a predetermined distance from the rear side of the foam head unit, and configured to inject and apply a sealant to both surfaces of the spacer while adjusting tension of the spacer, and automatically supply the spacer to the foam head unit.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: May 10, 2022
    Assignee: IGIS CO., LTD.
    Inventors: Chi Won Seong, Sung Chul Moon, Sang Woo Kim, Bo Gook Lee, Jun Won Cha, Hyeong Il Kim
  • Publication number: 20220063510
    Abstract: A head up display for a vehicle including a display device configured to output light forming an image, an optical system configured to control a path of the light such that the image is output towards a light transmission region, and a controller configured to generate the image based on a first view and a second view such that a virtual image is produced on a ground surface in the light transmission region, the first view being towards the ground surface , the second view being towards a 3D space above the ground surface, the first view and the second view being based on an eye-box, the ground surface being in front of the vehicle, and the virtual image including a graphic object having a stereoscopic effect, and control the display device to output the image.
    Type: Application
    Filed: July 20, 2021
    Publication date: March 3, 2022
    Applicant: NAVER LABS CORPORATION
    Inventors: Jae Won CHA, Jeseon LEE, Kisung KIM, Jongjin PARK, Eunyoung JEONG, Yongho SHIN
  • Publication number: 20220052018
    Abstract: The present invention relates to a substrate aligning device for bonding a first substrate (100) and a second substrate (200), wherein the first substrate (100) and the second substrate (200) have respective bonding surfaces via which the first substrate (100) and the second substrate (200) are bonded face-to-face with each other, and respective non-bonding surfaces which are located on the reverse sides from the bonding surfaces.
    Type: Application
    Filed: July 19, 2019
    Publication date: February 17, 2022
    Applicant: L TRIN.CO.,LTD
    Inventors: Yong Won CHA, Mi Ok CHO, Ji Soo CHO, Dae Hyeon KIM
  • Patent number: 11074406
    Abstract: A device for detecting a morpheme tagging corpus error, of the present invention, includes: an attribute generating unit for generating attributes for word phrases included in an input corpus, by using a kernel to which a rough set theory is applied; and an attribute statistics processing unit for generating part-of-speech tagging corpus error data through the calculation of attributes and frequency count for the same word phrases by counting attributes for the same word phrase among the word phrases, and thus the present invention can detect, quantify, and modify errors included in a corpus (learning data) required in learning for classifier generation and recognition for natural language processing.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 27, 2021
    Assignee: CHANGWON NATIONAL UNIVERSITY INDUSTRY UNIVERSITY COOPERATION FOUNDATION
    Inventors: Jeong Won Cha, Tae Ho Park, Chang Uk Shin, Da Sol Park, Seong Jae Park
  • Publication number: 20210208392
    Abstract: A three-dimensional augmented reality head-up display includes a display device functioning as a light source; and a freeform surface mirror for reflecting light from the light source onto a windshield of a vehicle. An image created by the light from the light source is focused on the ground in front of the vehicle as a virtual image of a three-dimensional perspective, through a reflection method in which the light from the light source is reflected onto the windshield by means of the freeform surface mirror.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Inventors: Eunyoung JEONG, Jae Won CHA
  • Publication number: 20210197669
    Abstract: A vehicular three-dimensional head-up display includes a display device functioning as a light source; and a combiner for simultaneously reflecting light from the light source toward a driver's seat and transmitting light from the outside of a vehicle, and may include an optical configuration in which an image created by the light from the light source is displayed as a virtual image of a three-dimensional perspective laid to correspond to the ground in front of the vehicle.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: Eunyoung JEONG, Jae Won CHA
  • Patent number: 11003293
    Abstract: An electronic device and method are disclosed. The electronic device includes a memory, a display, a touch sensor included in the display or coupled to the display, and configured to sense a touch. A pressure sensor configured to detect a pressure value of the touch and a processor electrically connected with the memory, the display, the touch sensor, and the pressure sensor, wherein the processor is configured to sense a first touch having a pressure value of a specified threshold value or greater, by using the touch sensor and the pressure sensor, store first location data of the first touch in the memory, sense a second touch, by using the touch sensor and the pressure sensor, wherein the second touch has a pressure value of the specified threshold value or greater and is made after sensing the first touch and perform a specified operation of utilizing the first location data and second location data of the second touch as an input, in response to sensing the second touch.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: May 11, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mee Ryung Choi, Keun Sik Lee, Hye Won Im, Moo Young Kim, Ki Huk Lee, Seung Won Cha, Ho Chul Hwang
  • Publication number: 20210071467
    Abstract: A foam spacer applicator may include: a conveyer unit configured to automatically transfer a glass panel; a foam head unit disposed at a predetermined distance from the front side of the conveyer unit, and configured to automatically supply and bond a spacer to the glass panel transferred from the conveyer unit through a combination of an X-axis horizontal operation and a Y-axis elevation operation through an elevation guide plate disposed with a vertical structure; and a magazine unit disposed at a predetermined distance from the rear side of the foam head unit, and configured to inject and apply a sealant to both surfaces of the spacer while adjusting tension of the spacer, and automatically supply the spacer to the foam head unit.
    Type: Application
    Filed: February 14, 2020
    Publication date: March 11, 2021
    Applicant: IGIS CO., LTD.
    Inventors: Chi Won SEONG, Sung Chul MOON, Sang Woo KIM, Bo Gook LEE, Jun Won CHA, HYEONG IL KIM
  • Publication number: 20200143017
    Abstract: An electronic device and a control method therefor are disclosed. The disclosed electronic device includes an input part, a communication part, a processor, and a memory, wherein the memory may include instructions for controlling the communication part such that the processor requests identification information including a call word for using an artificial intelligence assistant function to another electronic device when an event for requesting configuration of a first mode in which the artificial intelligence assistant function of the other electronic device can be used occurs, for controlling the communication part to receive the identification information from the other electronic device through the communication part in response to the request, and transmit a user command to the other electronic device based on the identification information if the user command is received during operation of the first mode of the artificial intelligence assistant.
    Type: Application
    Filed: September 17, 2018
    Publication date: May 7, 2020
    Inventors: Chang-bae YOON, Jeong-in KIM, Se-won OH, Hyo-young CHO, Kyung-rae KIM, Hee-jung KIM, Hyun-jin YANG, Ji-won CHA
  • Publication number: 20200125215
    Abstract: An electronic device and method are disclosed. The electronic device includes a memory, a display, a touch sensor included in the display or coupled to the display, and configured to sense a touch. A pressure sensor configured to detect a pressure value of the touch and a processor electrically connected with the memory, the display, the touch sensor, and the pressure sensor, wherein the processor is configured to sense a first touch having a pressure value of a specified threshold value or greater, by using the touch sensor and the pressure sensor, store first location data of the first touch in the memory, sense a second touch, by using the touch sensor and the pressure sensor, wherein the second touch has a pressure value of the specified threshold value or greater and is made after sensing the first touch and perform a specified operation of utilizing the first location data and second location data of the second touch as an input, in response to sensing the second touch.
    Type: Application
    Filed: May 29, 2018
    Publication date: April 23, 2020
    Inventors: Mee Ryung CHOI, Keun Sik LEE, Hye Won IM, Moo Young KIM, Ki Huk LEE, Seung Won CHA, Ho Chul HWANG
  • Patent number: 10591683
    Abstract: The present invention relates generally to a passive optical network (PON)-based video overlay pluggable type optical network device that is easily connected and detached from an indoor optical network terminal (ONT) at a subscriber side, which transmits and receives an optical signal in which a video RF optical signal and a PON optical signal are overlaid, wherein a PON board for receiving and processing the PON optical signals and a video RF board for receiving and processing the video RF optical signals are easily removed for replacement from a housing including an optical sub-assembly (OSA), which separates the PON optical signal and the video RF optical signal, and the PON board and the video RF board are individually designed and configured in a removable manner so that interference between the signals is minimized and selective combinations and production are possible according to various types of PONs and video services.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: March 17, 2020
    Assignee: LIGHTRON FIGER-OPTIC DEVICES INC.
    Inventors: Hyun-Won Cha, Keun-Jae Park, Jeong-Hwan Cho, Oh-Sang Kwon, Hyun-Jong Youm, Seong-Seok Seo, Young-Un Heo
  • Publication number: 20200065369
    Abstract: A device for detecting a morpheme tagging corpus error, of the present invention, includes: an attribute generating unit for generating attributes for word phrases included in an input corpus, by using a kernel to which a rough set theory is applied; and an attribute statistics processing unit for generating part-of-speech tagging corpus error data through the calculation of attributes and frequency count for the same word phrases by counting attributes for the same word phrase among the word phrases, and thus the present invention can detect, quantify, and modify errors included in a corpus (learning data) required in learning for classifier generation and recognition for natural language processing.
    Type: Application
    Filed: June 29, 2017
    Publication date: February 27, 2020
    Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY UNIVERSITY COOPERATION FOUNDATION
    Inventors: Jeong Won CHA, Tae Ho PARK, Chang Uk SHIN, Da Sol PARK, Seong Jae PARK
  • Patent number: 10466859
    Abstract: A method for creating a site on a user terminal connected by a computer network to a site management system includes providing a plurality of cards having predefined functions to the user terminal; and creating a site including at least one of a page corresponding to a card selected at the user terminal by a user from among the plurality of cards and a page including, as a component, at least one card selected at the terminal. The plurality of cards includes a general card configured through a selection and a combination of components by the user and a function card of which a function and a structure are predetermined.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: November 5, 2019
    Assignee: NAVER Corporation
    Inventors: Jong Ho Yun, Jungho Jun, Sung Won Cha, Se-Young Kim, Sang Jun Jeon, DongHwan Park
  • Publication number: 20190324219
    Abstract: The present invention relates generally to a passive optical network (PON)-based video overlay pluggable type optical network device that is easily connected and detached from an indoor optical network terminal (ONT) at a subscriber side, which transmits and receives an optical signal in which a video RF optical signal and a PON optical signal are overlaid, wherein a PON board for receiving and processing the PON optical signals and a video RF board for receiving and processing the video RF optical signals are easily removed for replacement from a housing including an optical sub-assembly (OSA), which separates the PON optical signal and the video RF optical signal, and the PON board and the video RF board are individually designed and configured in a removable manner so that interference between the signals is minimized and selective combinations and production are possible according to various types of PONs and video services.
    Type: Application
    Filed: November 20, 2018
    Publication date: October 24, 2019
    Applicant: LIGHTRON FIBER-OPTIC DEVICES INC.
    Inventors: Hyun-Won CHA, Keun-Jae PARK, Jeong-Hwan CHO, Oh-Sang KWON, Hyun-Jong YOUM, Seong-Seok SEO, Young-Un HEO
  • Patent number: 10253409
    Abstract: The present invention relates to a method for producing graphene on a face-centered cubic metal catalyst having a plane oriented in one direction, and more particularly to a method of producing graphene on a metal catalyst having the (100) or (111) crystal structure and a method of producing graphene using a catalyst metal foil having a single orientation, obtained by electroplating a metal catalyst by a pulse wave current and annealing the metal catalyst. The invention also relates to a method of producing graphene using a metal catalyst, and more particularly to a method of producing graphene, comprising the steps of: alloying a metal catalyst with an alloying element; forming step structures on the metal catalyst substrate in an atmosphere of a gas having a molecular weight of carbon; and supplying hydrocarbon and hydrogen gases to the substrate. On unidirectionally oriented metal catalyst prepared according to the present invention, graphene can be grown uniformly and epitaxially.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: April 9, 2019
    Assignee: SRC Corporation
    Inventors: Kang Hyung Kim, Kwan Sub Maeng, Chol Woo Park, Se Won Cha, Se Youn Hong, Byung Hee Hong, Myung Hee Jung, Kyung Eun Kim, Su Beom Park
  • Patent number: 10192592
    Abstract: Systems, methods and fabrication processes relating to dynamic random access memory (DRAM) devices involving data signals grouped into 10 bits are disclosed. According to one illustrative implementation a DRAM device may comprise a memory core, circuitry that receives a data bus inversion (DBI) bit associated with a data signal as input directly, without transmission through DBI logic associated with an input buffer, circuitry that stores the DBI bit into the memory core, reads the DBI bit from the memory core, and provides the DBI bit as output. In further implementations, DRAM devices herein may store and process the DBI bit on an internal data bus as a regular data bit.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: January 29, 2019
    Assignee: GSI TECHNOLOGY, INC.
    Inventors: Lee-Lean Shu, Paul M. Chiang, Soon-Kyu Park, Gi-Won Cha
  • Patent number: 10163523
    Abstract: A method of operating a semiconductor memory device includes applying a program pulse at least once to each of a plurality of pages; performing a pre-read operation on a reference page among the plurality of pages through an initial test voltage; repeating the pre-read operation by controlling the initial test voltage until a result of the pre-read operation is a pass; setting the initial test voltage of when the result of the pre-read operation is the pass as a reference test voltage; and detecting a defective page among the plurality of pages by performing read operations on the plurality of pages through the reference test voltage.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: December 25, 2018
    Assignee: SK Hynix Inc.
    Inventors: Sam Kyu Won, Myung Su Kim, Jae Won Cha
  • Publication number: 20180174629
    Abstract: Provided herein may be a memory system and a method of operating the same. A semiconductor memory device may include a write protect pin mode setting unit configured to set, depending on a parameter value stored therein, a write protect pin of the semiconductor memory device as any one of an input pin and an output pin and a control logic configured to output, when the write protect pin serves as the output pin, internal state information of the semiconductor memory device to an external device.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 21, 2018
    Inventors: Jin Yong SEONG, Gun Gi SONG, Young Sang AHN, Jae Won CHA
  • Patent number: 10002652
    Abstract: Provided herein may be a memory system and a method of operating the same. A semiconductor memory device may include a write protect pin mode setting unit configured to set, depending on a parameter value stored therein, a write protect pin of the semiconductor memory device as any one of an input pin and an output pin and a control logic configured to output, when the write protect pin serves as the output pin, internal state information of the semiconductor memory device to an external device.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: June 19, 2018
    Assignee: SK Hynix Inc.
    Inventors: Jin Yong Seong, Gun Gi Song, Young Sang Ahn, Jae Won Cha
  • Publication number: 20180130544
    Abstract: A method of operating a semiconductor memory device includes applying a program pulse at least once to each of a plurality of pages; performing a pre-read operation on a reference page among the plurality of pages through an initial test voltage; repeating the pre-read operation by controlling the initial test voltage until a result of the pre-read operation is a pass; setting the initial test voltage of when the result of the pre-read operation is the pass as a reference test voltage; and detecting a defective page among the plurality of pages by performing read operations on the plurality of pages through the reference test voltage.
    Type: Application
    Filed: January 9, 2018
    Publication date: May 10, 2018
    Inventors: Sam Kyu WON, Myung Su KIM, Jae Won CHA