Patents by Inventor Tae Chang

Tae Chang 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: 20210201710
    Abstract: A display device includes a display module including: a folding area, and first and second non-folding areas; a first support member bendable together with the display module and including: a bending area corresponding to the folding area, and first and second non-bending areas corresponding to the first and second non-folding areas; and a support layer facing the display module with the first support member therebetween, and including: a second support member in the bending area and the first and second non-bending areas; a first support plate facing the first support member with the second support member therebetween and in the bending area and the first non-bending area; and a second support plate facing the first support member with the second support member therebetween and in the bending area and the second non-bending area. The second support plate is disconnected from the first support plate at the bending area.
    Type: Application
    Filed: August 11, 2020
    Publication date: July 1, 2021
    Inventors: Tae-Chang KIM, MINSEOP KIM, CHANGMIN PARK, SUNGWOO CHO
  • Publication number: 20210200273
    Abstract: A display device includes a display module, a supporting plate disposed under the display module, supporting bars disposed under the display module and arranged in a first direction with the supporting plate, a supporting film disposed between the display module and the supporting plate and between the display module and the supporting bars, a first case accommodating the display module, the supporting plate, the supporting film, and the supporting bars, and a second case coupled to the first case to move in a direction to be close to or to be far away from the first case along the first direction. Opposite sides of the supporting bars are respectively inserted into first guide grooves defined in inner side surfaces of the first case, which face each other in a second direction crossing the first direction, and the supporting bars move along the first guide groove.
    Type: Application
    Filed: December 8, 2020
    Publication date: July 1, 2021
    Inventors: Sung Chun HONG, Tae-Chang KIM, Sungsang AHN, Byoungsu LEE, Taehyeog JUNG
  • Publication number: 20210141420
    Abstract: The display device includes a display module which displays an image at a front surface of the display module and includes a rear surface, a folding area and a non-folding area extended from the folding area; and a supporter facing the rear surface of the display module and including a first portion corresponding to the non-folding area, a second portion corresponding to the folding area, and a boundary between the first portion and the second portion. The display module which is unfolded disposes the supporter bent at the boundary, and the supporter which is bent includes the first portion and the second portion together forming a curvature of the supporter having a center of curvature at the front surface of the display module.
    Type: Application
    Filed: July 22, 2020
    Publication date: May 13, 2021
    Inventors: Tae-Chang KIM, MINSEOP KIM, CHANGMIN PARK, SUNGWOO CHO
  • Publication number: 20210079907
    Abstract: The present invention provides a shaft-cylinder assembly for high-temperature operation comprising a dynamic sealing member having a helical coiled seal ring structure configured to be in contact with the shaft for providing dynamic sealing function; and a cylindrical cooling jacket positioned between the dynamic sealing member and the cylinder, and configured to circumferentially surround the dynamic sealing member and be circumferentially surrounded by the cylinder; wherein the cooling jacket includes one or more cooling channels, each of the one or more cooling channels is configured to circulate a cooling fluid for moving heat away from the dynamic sealing member.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Inventors: Stanley Moon Kai KO, Kyong Tae CHANG
  • Publication number: 20200282682
    Abstract: The present invention provides a high-pressure piston-cylinder assembly for compaction treatment comprising a cylinder comprising a plurality of sections which are longitudinally stacked and joined to form the cylinder; a piston configured for moving in and along the cylinder; and a base configured for being coupled with the cylinder to provide mechanical support to the cylinder; wherein each of the sections includes one or more releasing channels for releasing of liquid or gas fluid generated during compaction treatment. The high-pressure piston-cylinder assembly is sealed by one seal having a helical coiled sealing ring structure tightly encircling the piston, and another seal encircling a cylindrical sealing block protruded from the base and into the cylinder. The resulting piston-cylinder assembly can be more effectively manufactured, has better durability and tolerance in high-pressure operation.
    Type: Application
    Filed: March 9, 2019
    Publication date: September 10, 2020
    Inventors: Stanley Moon Kai Ko, Kyong Tae Chang
  • Publication number: 20200284248
    Abstract: The present invention provides a shaft-cylinder assembly for high-temperature operation comprising a pair of first and second dynamic sealing members having a helical coiled seal ring structure configured to be in contact with the shaft for providing dynamic sealing function in the cylinder; and a cylindrical cooling jacket configured to circumferentially surround the dynamic sealing members such that a cavity is defined between the dynamic sealing members inside the cooling jacket; wherein the cooling jacket comprises one or more inflow cooling channels and one or more outflow cooling channels configured to communicating with the cavity and circulating a cooling fluid through the cavity for moving heat away from the dynamic sealing members.
    Type: Application
    Filed: March 9, 2019
    Publication date: September 10, 2020
    Inventors: Stanley Moon Kai Ko, Kyong Tae Chang
  • Publication number: 20200282146
    Abstract: A single-use syringe, comprising a barrel, and a first resilient unidirectionally-biased peripheral annulus formed inside the barrel; an upper plunger, having a dome shaped bottom mounted at a first end of the upper plunger, a first flange formed at a second end of the upper plunger with a second flange formed adjacent to it; a lower plunger having a second resilient unidirectionally-biased peripheral annulus formed near a top end of the lower plunger and a third resilient unidirectionally-biased peripheral annulus formed further inside the lower plunger, wherein a holding space is defined by a space between the second annulus and the third annulus, allowing the dome shaped bottom be inserted through the second annulus, held in the holding space, and pressed against the third annulus during a syringe unlocked state, and wherein a locking chamber is defined by a space between the third annulus and the lower plunger bottom end.
    Type: Application
    Filed: March 9, 2019
    Publication date: September 10, 2020
    Inventors: Stanley Moon Kai Ko, Kyong Tae Chang
  • Patent number: 10713478
    Abstract: The present invention includes: a three-dimensional moving image generation module for generating a moving image of an experiment target person; an object extraction module for extracting the experiment target person, separately from a background, from the moving image; an object definition module for defining an object by measuring a length, a size and a weight center of the object and extracting a depth image of the object; a behaviour pattern definition module for defining a basic behaviour pattern of the object by cumulatively analyzing a movement speed and movement time of the weight center of the corresponding object, and changes in the extracted depth data when the object defined by the object definition module is extracted by the object extraction module; and a behaviour pattern analysis module for analyzing and identifying a lasting time and a frequency of the basic behaviour pattern with respect to the object.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 14, 2020
    Assignees: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Sang Kuy Han, Keyoung Jin Chun, Kyu Tae Chang, Young Jeon Lee, Yeung Bae Jin, Kang jin Jeong, Phil Yong Kang, Jung Joo Hong, Sang Rae Lee
  • Publication number: 20200123179
    Abstract: The present invention provides fluorescent compounds of formula (I) as disclosed herein or pharmaceutically acceptable salts there-of. Further provided are uses of said fluorescent compounds in methods of determining, in a sample, the presence and/or amount of pluripotent stem cells or cells undergoing reprogramming to become induced pluripotent stem cells.
    Type: Application
    Filed: July 4, 2018
    Publication date: April 23, 2020
    Inventors: Sandhya Sriram, Shigeki Sugii, Young Tae Chang, Nam-Young Kang
  • Patent number: 10603448
    Abstract: The present invention relates to a disposable syringe for the prevention of reuse, and more specifically to a disposable syringe for the prevention of reuse, which can restrain a plunger from moving after a medicine has been exhausted using the pressure of the plunger, thereby fundamentally preventing the syringe from being reused.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: March 31, 2020
    Assignee: DAEIL RUBBER TECH CO., LTD.
    Inventors: Kyong Tae Chang, Man Soo Kim
  • Publication number: 20200012142
    Abstract: A display apparatus includes a display panel configured to display an image. A first mold is disposed under the display panel and includes a plurality of sidewall portions. A second mold is disposed adjacent to one of the sidewall portions and is coupled to the first mold. At least one flexible circuit board is connected to the display panel and is disposed between the first and second molds. The second mold includes a bottom mold covering one edge area of a bottom surface of the first mold. A cover mold covers the one sidewall portion of the first mold. A first distance between an inner side surface of the cover mold and an outer side surface of the one sidewall portion of the first mold is substantially constant.
    Type: Application
    Filed: June 3, 2019
    Publication date: January 9, 2020
    Inventors: TAE-CHANG KIM, MYUNGHUN BAEK, JAE-HWAN JEON, GIYOUNG KANG
  • Patent number: 10416153
    Abstract: The present invention relates to a family of fluorescent compounds based on the BODIPY scaffold, and methods for the preparation of said compounds. The present invention further relates to the use of said compounds for the detection of bacterial biofilms, wherein the bacterial biofilm comprises Pseudomonas aeruginosa and the compound specifically binds to a Fap protein of Pseudomonas aeruginosa, or wherein the compound specifically binds to bacterial cells that contain high levels of cyclic-di-guanosine-monophosphate (c-di-GMP).
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: September 17, 2019
    Assignees: NANYANG TECHNOLOGICAL UNIVERSITY, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Young-Tae Chang, Jun-Young Kim, Sahu Srikanta, Michael Christian Givskov, Liang Yang
  • Publication number: 20190171392
    Abstract: A method of operating a storage device for reducing write latency. The storage device determines whether to support write data support (WDS), fetches a write command selectively including an instant write flag when WDS is supported, updates an address mapping table regarding a controller memory buffer (CMB) without an host direct memory access (HDMA) operation in response to the fetched write command, and generates write command completion message corresponding to the write command.
    Type: Application
    Filed: June 27, 2018
    Publication date: June 6, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-woo KIM, Woo-tae CHANG, Wan-soo CHOI
  • Publication number: 20190076929
    Abstract: A helical coiled seal for sealing a barrel-shaped cylinder piston-cylinder assembly, comprising: a piston-sealing C-shaped ring; a connecting C-shaped ring comprising an inward wing protruded inwardly from a section near a first end on an inner perimeter of the connecting C-shaped ring, and an outward wing protruded outwardly from a section near a second end on an outer perimeter of the connecting C-shaped ring; and a cylinder-sealing C-ring; wherein the piston-sealing C-ring is connected end-to-end to the first end of the connecting C-ring and cylinder-sealing C-ring is connected end-to-end to the second end of the connecting C-ring forming a three-ring helical structure having a contraction-dilation response time sufficiently short required for the up-down stroke speed of the cylinder piston-cylinder assembly.
    Type: Application
    Filed: March 15, 2017
    Publication date: March 14, 2019
    Inventors: Stanley Moon Kai KO, Kyong Tae CHANG
  • Patent number: 10222641
    Abstract: A display apparatus includes a display panel and a first protection member which accommodates the display panel. The first protection member includes first sidewalls facing each other and second sidewalls connected to ends of the first sidewalls to face each other. The first and second sidewalls are disposed to surround a side surface of the display panel, the first sidewalls are curved symmetrical to each other, and a distance between central portions of the first sidewalls facing each other is a minimum distance between the first sidewalls, and a distance between ends of the first sidewalls facing each other is a maximum distance between the first sidewalls.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-cheol Lee, Tae-chang Kim, Seki Park, Myunghun Baek
  • Patent number: 10215702
    Abstract: There is provided a method of preparing a surface enhanced Raman spectroscopy (SERS) particle comprising the step of encapsulating a plurality of Raman molecules on the surface of a metallic core with a biocompatible protective shell at an elevated temperature selected to decrease the encapsulation time by more than one-fold relative to an encapsulation performed at 20° C.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: February 26, 2019
    Assignee: Agency for Science, Technology and Research
    Inventors: Shuhua Liu, Kwok Wei Shah, Michelle Low, Zhi Wei Seh, Ming-Yong Han, Kaustabh Kumar Maiti, Kiat Seng Jason Soh, Dinish Unnimadhava Kurup Soudamini Amma, Malini Olivo, Young-Tae Chang
  • Patent number: 10209423
    Abstract: A display device includes a backlight unit which includes a substrate defining a width thereof in a first direction and a length thereof in a second direction crossing the first direction; light sources mounted on the substrate and arranged in the second direction and spaced apart from each other, each light source generating light and emitting the light in the first direction; a first light blocking layer disposed spaced apart from the light sources in the first direction by a first distance and facing the light sources; and an adhesive member provided in plural arranged in the second direction and spaced apart from each other, the adhesive members disposed spaced apart from the first light blocking layer in a direction opposite to the first direction by a second distance smaller than the first distance, and alternately arranged with the light sources in a zigzag shape.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: February 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Tae-chang Kim
  • Patent number: 10205076
    Abstract: Disclosed is a light emitting device. The light emitting device comprises: a first lead and a second lead which are spaced apart from each other; a body part comprising a base, a reflector, and a cavity; and a light emitting diode which is disposed in the cavity, wherein the first lead includes a first bottom lead and a first top lead located on the first bottom lead, and the second lead includes a second bottom lead and a second top lead located on the second bottom lead, and wherein a separation region between the first top lead and the second top lead has a different shape than the separation region between the first bottom lead and the second bottom lead, the separation region between the first top lead and the second top lead having a shape bent at least once.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: February 12, 2019
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Tae Chang Lee
  • Publication number: 20180322336
    Abstract: The present invention includes: a three-dimensional moving image generation module for generating a moving image of an experiment target person; an object extraction module for extracting the experiment target person, separately from a background, from the moving image; an object definition module for defining an object by measuring a length, a size and a weight center of the object and extracting a depth image of the object; a behaviour pattern definition module for defining a basic behaviour pattern of the object by cumulatively analyzing a movement speed and movement time of the weight center of the corresponding object, and changes in the extracted depth data when the object defined by the object definition module is extracted by the object extraction module; and a behaviour pattern analysis module for analyzing and identifying a lasting time and a frequency of the basic behaviour pattern with respect to the object.
    Type: Application
    Filed: November 30, 2016
    Publication date: November 8, 2018
    Inventors: Sang Kuy HAN, Keyoung Jin CHUN, Kyu Tae CHANG, Young Jeon LEE, Yeung Bae JIN, Kang jin JEONG, Phil Yong KANG, Jung Joo HONG, Sang Rae LEE
  • Patent number: D925525
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Su Lee, Tae Chang Kim, Jee Na Lee