Patents by Inventor Won Ju

Won Ju 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: 20230020863
    Abstract: The present invention relates to a needle-free injector using pulsed shock waves, the needle-free injector comprising: a power unit generating pulsed power; a pulsed shock wave generating unit which receives the pulsed power and generates pulsed shock waves; an upper housing in which a liquid and the pulsed shock wave generating unit are disposed; a lower housing which is connected to the upper housing, and in which a drug is disposed; a shock wave transmission unit which is provided between the upper housing and the lower housing to separate the upper housing and the lower housing; and an injection unit which is disposed in the lower housing and inject the drug.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 19, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyu Young SEO, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230008067
    Abstract: The present invention relates to a drug injection device using pulsed shock waves, the drug injection device comprising: a power unit generating pulsed power; a pulsed shock wave generating unit which receives the pulsed power and generates pulsed shock waves; an upper housing in which a liquid and the pulsed shock wave generating unit are disposed; a lower housing which is connected to the upper housing, and in which a drug is disposed; a shock wave transmission unit which is provided between the upper housing and the lower housing to separate the upper housing and the lower housing; and an injection unit which is disposed in the lower housing and inject the drug.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 12, 2023
    Applicant: JEISYS MEDICAL INC.
    Inventors: Kyu Young SEO, Won Ju YI, Dong Hwan KANG
  • Publication number: 20230005438
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Publication number: 20220370731
    Abstract: Disclosed are a medicine injection tip that may smoothly insert and discharge a needle into and from skin, a hand piece, and a skin treatment device.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 24, 2022
    Applicant: JEISYS MEDICAL INC.
    Inventors: Jong Seung PARK, Kyoung Ho AN, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Patent number: 11498104
    Abstract: An extrusion apparatus and a method for manufacturing an aluminum capillary tube using the same are provided. The extrusion apparatus includes a container, a housing mold provided on one side of the container and including a plurality of dies formed with a plurality of holes, and a ram pressing an aluminum billet accommodated in the container in a direction from another side to the one side of the container so that the aluminum billet accommodated in the container is extruded into a plurality of aluminum capillary tubes having cross-sectional shapes corresponding to the plurality of holes, and the number of the plurality of holes is determined based on an inner diameter of the container and a diameter of each of the plurality of holes.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungtae Park, Myounghun Kim, Sangjun Park, Won Ju, Jungsoo Lim, Kookjeong Seo
  • Patent number: 11443700
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: September 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 11389117
    Abstract: An apparatus for predicting hypoglycemia according to an exemplary embodiment of the present disclosure is an apparatus for predicting hypoglycemia, which predicts the occurrence of postprandial hypoglycemia using blood glucose-related information, wherein the blood glucose-related information includes a blood glucose level at a reference time, a blood glucose change rate over a duration from a mealtime to a postprandial peak blood glucose level time, a blood glucose change rate over a duration from the postprandial peak blood glucose level time to the reference time, and a blood glucose change rate at the reference time.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: July 19, 2022
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Sung Min Park, Won Ju Seo, Seung Hyun Lee
  • Patent number: 11380734
    Abstract: An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer.
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seong Jeong, Won Ju Kwon, Dal Ho Kim, Gi-Na Yoo, Dong Jin Lee
  • Publication number: 20220163944
    Abstract: An apparatus for detecting the status of a tool in a machine tool may include: a sensor unit configured to sense acceleration of a spindle of the machine tool in an x-axis direction and a y-axis direction during processing; and a processing device configured to convert the x-axis signal and the y-axis signal, sensed by the sensor unit, into signals capable of representing a cutting force by processing the x-axis and y-axis signals, detect a resultant force, and plot the detected resultant force on a polar coordinate system.
    Type: Application
    Filed: June 3, 2021
    Publication date: May 26, 2022
    Inventors: Young Kyo OH, Won Ju KIM, Yeo Chan YOON
  • Patent number: 11341754
    Abstract: Provided are a calibration method and a calibration apparatus for steering assist or autonomous driving of a vehicle in which lines on a road are detected from an image and coordinates of the lines in an image domain are transformed into coordinates in a world domain to update homography matrix that represents a transformation relationship between the image domain and the world domain, and controlling the vehicle traveling on the road based on the lines.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-ju Lee, Ja-hoo Koo, Se-ho Shin, Dong-wook Lee
  • Publication number: 20220143248
    Abstract: The present invention relates to a puff sterilization patch and, particularly, to a puff sterilization patch which is manufactured in the form of a net or fabric by using yarns made of copper having sterilizing power and can be attached to a cosmetic container so as to sterilize a puff. To this end, the present invention comprises: a pad layer formed by weaving wefts and warps into a net, wherein the wefts mainly comprise yarns made of copper and are arranged at regular intervals, and the warps mainly comprise yarns made of a synthetic resin material and are arranged at regular intervals: and an adhesive layer provided on the underside surface of the pad layer.
    Type: Application
    Filed: February 21, 2020
    Publication date: May 12, 2022
    Inventor: Won Ju YONG
  • Patent number: 11329250
    Abstract: A display device includes: a display panel including a front surface and a rear surface, the rear side being opposite to the front side; a front stacked structure on the front surface including a front bonding member disposed on the front surface; and a rear stacked structure on the rear surface including a rear bonding member disposed on the rear surface. A loss tangent of the front bonding member has a value greater than a loss tangent of the rear bonding member, the loss tangent being represented by an equation: (loss tangent)=(loss modulus)/(storage modulus), wherein the loss modulus refers to energy lost by viscosity of a material, and the storage modulus refers to energy stored without loss by elasticity of the material.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: May 10, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Hee Song, Sang Hyo Park, Byoung Su Lee, Tae Hyeog Jung, Won Ju Choi
  • Publication number: 20220140034
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 5, 2022
    Inventors: WON JU KWON, HEE SEONG JEONG
  • Publication number: 20220139179
    Abstract: A surveillance system including a battery camera and a gateway. The battery camera includes a battery configured to supply power to the battery camera, a camera module configured to capture a surveillance area, a connector configured to directly connect to the gateway, a network module configured to communicate with the gateway, and a processor configured to charge the battery through the connector. The processor transmits high-quality images through the connector when the connector is connected to the gateway and transmits low-quality images through the network module when the connector is disconnected from the gateway.
    Type: Application
    Filed: January 10, 2022
    Publication date: May 5, 2022
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventors: Ho Jin PARK, Mun Jun PARK, Do Won KO, Soo Ho KIM, Won Ju JEONG
  • Patent number: 11294392
    Abstract: A road line determination method and apparatus is provided. The method includes: performing detection of two road lines of a lane in which the vehicle is driving from a driving image; determining whether at least one road line of the two road lines is not detected; if it is determined that the at least one road line is not detected, determining at least one road line for the at least one undetected road line based on first information about a drivable road area comprising the road; and controlling driving of the vehicle based on the at least one determined road line.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-hyun Ji, Won-ju Lee, Cheol-hun Jang, Do-kwan Oh, Yoon-suk Hyun
  • Publication number: 20220079650
    Abstract: Embodiments of the inventive concept provide an ultrasonic medical instrument moving horizontally by adjusting a depth wise location of an ultrasonic wave generating unit while not influencing an internal volume of a cartridge and variously setting focusing depths of ultrasonic waves in skin.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 17, 2022
    Applicant: JEISYS MEDICAL INC.
    Inventors: Min Young KIM, Kyun Tae KIM, Ki Ho JEONG, Won Ju YI, Dong Hwan KANG
  • Publication number: 20210387023
    Abstract: Provided is an ultrasonic generator with an adjustable ultrasonic focusing depth. The ultrasonic generator with an adjustable ultrasonic focusing depth includes a cartridge housing in which an ultrasound generation portion generating ultrasonic waves is provided, a hand piece in which the cartridge housing is detachably mounted, the hand piece having a first actuator thereinside, and a main shaft to which the ultrasound generation portion is coupled so as to reciprocate in a horizontal direction, parallel to the bottom of the cartridge housing and a vertical direction, perpendicular to the bottom of the cartridge housing. One end of the main shaft is coupled to one end of the first actuator of the hand piece, and an other end of the main shaft is located inside the cartridge housing. The hand piece includes an adjustment portion adjusting an ultrasonic focusing depth of the ultrasound generation portion.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 16, 2021
    Applicant: JEISYS MEDICAL INC.
    Inventors: Eun Ho KIM, Kyun Tae KIM, Kwang Hee MOON, Su Yong LEE, Min Young KIM, Won Ju YI, Dong Hwan KANG
  • Publication number: 20210378107
    Abstract: A display device includes a display panel comprises a display area and a non-display area surrounding the display area; a cover panel disposed on a rear surface of the display panel and comprising a front surface, a first side surface connected to the front surface and bent along a first bending line, a second side surface connected to the front surface and bent along a second bending line intersecting the first bending line, and a first corner located between the first side surface and the second side surface; and an alignment notch defined at the first corner of the cover panel.
    Type: Application
    Filed: May 12, 2021
    Publication date: December 2, 2021
    Inventors: Dae Hyun HWANG, Won Ju KIM, Do Hyung RYU, Wu Hyeon JUNG
  • Patent number: 11186828
    Abstract: The present disclosure relates to a medium composition for r25/eprogramming induced pluripotent stem cells, containing an Ecklonia cava extract. Also, the present disclosure relates to a method for manufacturing induced pluripotent stem cells by using the medium composition. When the medium composition according to the present disclosure is used, induced pluripotent stem cells can be efficiently produced using adipose-derived mesenchymal stem cells safely and easily. The manufactured pluripotent stem cells are differentiable into various cells, and thus can be favorably used as a cell therapeutic agent.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: November 30, 2021
    Assignee: BBHC CO., LTD.
    Inventors: Sang Yeon Lee, Won Ju Jung, Ho Bin Kim, Min Sun Oh, Kye Ho Lee
  • Patent number: 11183548
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ju Kwon, Hee Seong Jeong