Patents by Inventor Hoon Cha

Hoon 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).

  • 3D image display apparatus and image display method thereof
    Patent number: 10750159
    Abstract: A three-dimensional (3D) image display apparatus includes a display panel configured to display a 3D image; a light guide panel disposed on a rear surface of the display panel to emit light to the display panel; a first light source configured to irradiate light toward the light guide panel; a second light source configured to irradiate light toward the light guide panel; and a controller configured to control the first light source and the second light source to emit light alternately, wherein the light guide panel includes a first pattern which responds to the first light source and does not respond to the second light source, and a second pattern which responds to the second light source and does not respond to the first light source.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-deok Hwang, Seung-jun Jeong, Kyung-hoon Cha, Farid Mukhtarov
  • Highly heat-resistant and highly transparent polycarbonate ester, and preparation method therefor
    Patent number: 10738150
    Abstract: Disclosed is a bio-based polycarbonate ester comprising: (i) repeat unit 1 obtained from a condensation reaction of 1,4:3,6-dianhydrohexitol and carbonate; and (ii) repeat unit 2 obtained from a condensation reaction of 1,4:3,6-dianhydrohexitol and 1,4-cyclohexanedicarboxylate; and a preparation method for the bio-based polycarbonate ester, comprising the steps of: (1) preparing a compound 1,4-diphenyl-cyclohexanedicarboxylate through a trans-esterification or esterification reaction of a compound represented by formula 2 and phenol; and (2) preparing a compound comprising a repeat unit represented by formula 1 through a polycarbonate melt polycondensation reaction of the 1,4-diphenyl-cyclohexanedicarboxylate prepared in step (1), a compound represented by formula 4 and 1,4:3,6-dianhydrohexitol.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: August 11, 2020
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Kwang Sei Oh, Il-Hoon Cha, Ji-hoon Kim
  • SEMICONDUCTOR DEVICE MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME
    Publication number: 20200251358
    Abstract: An apparatus is provided. The apparatus includes a spinner configured to hold a wafer, a nozzle configured to supply a liquid chemical onto an upper surface of the wafer, and a laser module configured to heat the wafer by radiating a laser beam to a lower surface of the wafer while the nozzle supplies the liquid chemical onto the upper surface of the wafer.
    Type: Application
    Filed: November 14, 2019
    Publication date: August 6, 2020
    Inventors: Ji Hoon CHA, Jinwoo LEE, Seok Hoon KIM, In Gi KIM, Seung Min SHIN, Yong Jun CHOI
  • AIR-CONDITIONER REPEATER, AIR-CONDITIONER SYSTEM AND A CONTROL METHOD THEREOF
    Publication number: 20200232672
    Abstract: An air conditioner controlling method of an air conditioner repeater is provided. The method includes based on a remote controller being connected to the air conditioner repeater via a cable, generating pairing information, transferring the generated pairing information to the remote controller via the cable, based on a response message for the pairing information being received from the remote controller via the cable, performing pairing with the remote controller, and based on the wired connection with the remote controller is released and an air conditioner and the air conditioner repeater are connected via a cable, transferring a wireless signal received from the remote controller in a Bluetooth method to the air conditioner.
    Type: Application
    Filed: August 17, 2018
    Publication date: July 23, 2020
    Inventors: Jae-hoon CHA, O-do RYU, Su-ho JO
  • SUBSTRATE DRYING METHOD, PHOTORESIST DEVELOPING METHOD, PHOTOLITHOGRAPHY METHOD INCLUDING THE SAME, AND SUBSTRATE DRYING SYSTEM
    Publication number: 20200152486
    Abstract: Disclosed are substrate drying methods, photoresist developing methods, and/or photolithography methods. The substrate drying method including providing a drying liquid on a substrate, increasing a pressure of the drying liquid to produce a supercritical fluid, and removing the supercritical fluid to dry the substrate may be provided.
    Type: Application
    Filed: May 23, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-Hoo KIM, Kuntack LEE, Yong-Jhin CHO, Chawon KOH, Sunghyun PARK, Hyosan LEE, Ji Hoon CHA, Soo Young CHOI
  • Memory device, memory system including the same, and address counting and comparing operation for refresh operation method thereof
    Patent number: 10614873
    Abstract: A memory device may include first and second latch sections configured to respectively store a target address and a recent input address, a comparison unit configured to compare an input address with the target address and the recent input address respectively stored in the first and second latch sections, and output a resultant signal, a counting section configured to increase a count corresponding to the recent address stored in the second latch section in response to the resultant signal, and a control unit configured to check the count of the counting section and update the input address to the second latch section in response to the resultant signal.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: April 7, 2020
    Assignee: SK hynix Inc.
    Inventors: Woo-Young Lee, Duck-Hwa Hong, Jung-Hyun Kim, Jae-Hoon Cha, Jeong-Tae Hwang
  • SYSTEM AND METHOD FOR AUTHENTICATION
    Publication number: 20200089867
    Abstract: An authentication system and method are provided. The authentication method in accordance with one embodiment includes: storing a first authentication request message received from an authentication server, generating a new challenge using a previous challenge used in a previous authentication process when a network connection to the authentication server is not possible, generating a second and newer authentication request message by replacing a challenge included in the first authentication request message with the new challenge, generating an authentication assertion by performing biometric authentication using the second authentication request message and storing the generated authentication assertion.
    Type: Application
    Filed: September 17, 2019
    Publication date: March 19, 2020
    Inventors: Dong-Ho KIM, Seung-Hoon CHA, Pan-Young KIM, Jae-Hyuk CHO
  • DRY CLEANING APPARATUS AND DRY CLEANING METHOD
    Publication number: 20200083063
    Abstract: A dry cleaning apparatus includes a chamber, a substrate support supporting a substrate within the chamber, a shower head arranged in an upper portion of the chamber to supply a dry cleaning gas toward the substrate, the shower head including an optical window transmitting a laser light therethrough toward the substrate support, a plasma generator generating plasma from the dry cleaning gas, and a laser irradiator irradiating the laser light on the substrate through the optical window and the plasma to heat the substrate.
    Type: Application
    Filed: April 1, 2019
    Publication date: March 12, 2020
    Inventors: Seung-Min SHIN, Seok-Hoon KIM, Young-Hoo KIM, In-Gi KIM, Tae-Hong KIM, Sung-Hyun PARK, Jin-Woo LEE, Ji-Hoon CHA, Yong-Jun CHOI
  • WET ETCHING APPARATUS
    Publication number: 20200075359
    Abstract: A wet etching apparatus includes a process bath having an internal space configured to receive an etchant and having a support unit, on which a wafer is disposed to be in contact with the etchant. A laser unit is disposed above the process bath and is configured to direct a laser beam to the wafer and to heat the wafer thereby. An etchant supply unit is configured to supply the etchant to the internal space of the process bath.
    Type: Application
    Filed: April 5, 2019
    Publication date: March 5, 2020
    Inventors: JIN WOO LEE, Yong Jun Choi, Seok Hoon Kim, Seung Min Shin, Ji Hoon Cha
  • PANEL DEVICE AND DISPLAY DEVICE
    Publication number: 20200073037
    Abstract: A panel device according to various embodiments of the disclosure includes a display panel including a plurality of pixels and a polarization panel including a first polarization pattern and a second polarization pattern and disposed on the display panel to allow a boundary line between the first polarization pattern and the second polarization pattern to divide each of the pixels into a first area corresponding to the first polarization pattern and a second area corresponding to the second polarization pattern.
    Type: Application
    Filed: August 30, 2017
    Publication date: March 5, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung Hoon CHA, Sergey SHESTAK, Farid MUKHTAROV
  • MEMS film for semiconductor device test socket including MEMS bump
    Patent number: 10506714
    Abstract: A microelectromechanical system (MEMS) film for a test socket is arranged between a semiconductor device and a test apparatus for performing an electrical test of the semiconductor device and includes a flexible bare film and a plurality of round-type MEMS bumps on the bare film, each of the MEMS bumps being formed on the bare film by using a MEMS processing technique, having an electrical contact with an electrode pad of the test apparatus or a conductive ball of the semiconductor device, and having a contact surface rounded from an edge side toward a center side in a convex manner in a direction toward the electrode pad or the conductive ball.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: December 10, 2019
    Assignee: Okins Electronics Co., Ltd.
    Inventors: Jin Kook Jun, Sung Gye Park, Jae Weon Shim, Sang Hoon Cha
  • Distributed file system and method of creating files effectively
    Patent number: 10474643
    Abstract: A distributed file system includes metadata servers and data servers. The metadata server includes a selecting unit to select a data server from the data servers, a chunk allocation requesting unit to request that the selected data server perform chunk allocation, a chunk list managing unit to insert a list of chunks transmitted from the data server into a chunk list pool and determine an arrangement method of the chunk list pool, and a chunk fetching unit to fetch available chunk information from the chunk list pool. The data server includes a receiving unit to receive request for chunk allocation from the metadata server, a chunk allocating unit to allocate chunks in response to the request for chunk allocation and write a list of chunks based on information about the allocated chunk, and a transmitting unit to transmit the list of chunks to the metadata server.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 12, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung Hoon Cha, Young Kyun Kim, Hong Yeon Kim, Wan Choi
  • Methods of fabricating semiconductor devices including fin-shaped active regions
    Patent number: 10424503
    Abstract: A method of manufacturing a semiconductor device includes forming a plurality of fins by forming a plurality of first device isolating trenches repeated at a first pitch in a substrate, forming a plurality of fin-type active areas protruding from a top surface of a first device isolating layer by forming the first device isolating layer in the plurality of first device isolating trenches, forming a plurality of second device isolating trenches at a pitch different from the first pitch by etching a portion of the substrate and the first device isolating layer, and forming a second device isolating layer in the plurality of second device isolating trenches, so as to form a plurality of fin-type active area groups separated from each other with the second device isolating layer therebetween.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: September 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-sang Youn, Myung-geun Song, Ji-hoon Cha, Jae-jik Baek, Bo-un Yoon, Jeong-nam Han
  • PANEL DEVICE FOR DISPLAYING THREE-DIMENSIONAL IMAGE AND DISPLAY DEVICE COMPRISING SAME
    Publication number: 20190271851
    Abstract: A panel apparatus according to an embodiment of the disclosure includes a display panel including a cluster in which a plurality of pixels are arranged in a first vertical line and a second vertical line adjacent to the first vertical line in a zigzag pattern, and an optical device disposed on a front surface of the display panel to cover an entire portion of the cluster. The pixels arranged in the first vertical line display an image taken at a first point of view and the pixels arranged in the second vertical line display an image taken at a second point of view. In addition, various embodiments understood through the specification are possible.
    Type: Application
    Filed: October 18, 2017
    Publication date: September 5, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Farid MUKHTAROV, Kyung Hoon CHA
  • LIQUID CHEMICAL RECYCLE SYSTEM, LIQUID CHEMICAL SUPPLY SYSTEM, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE LIQUID CHEMICAL RECYCLE SYSTEM
    Publication number: 20190259641
    Abstract: A liquid chemical recycle system includes a buffer tank receiving a first liquid chemical from outside; a vacuum tank having a vacuum pump connected thereto and receiving the first liquid chemical from the buffer tank using the vacuum pump; and a recycle tank receiving the first liquid chemical from the vacuum tank and providing a second liquid chemical, which is a recycled first liquid chemical, to the outside, wherein the buffer tank includes a first injection portion, to which the first liquid chemical is provided, and a first supply portion, which provides the first liquid chemical to the vacuum tank, and a bottom of the buffer tank is downwardly inclined toward the first supply portion to prevent a material contained in the first liquid chemical from being accumulated in the buffer tank.
    Type: Application
    Filed: August 29, 2018
    Publication date: August 22, 2019
    Inventors: Young-Hoo KIM, Sung Hyun PARK, Hyun Woo NHO, Ji Hoon CHA, Yong Jun CHOI
  • MICROWAVE, DISPLAY DEVICE AND COOKING SYSTEM INCLUDING THE SAME
    Publication number: 20190261459
    Abstract: A cooking system is disclosed. The cooking system includes a microwave and a display device. The microwave is configured to in response to a received user command, generate a first image by photographing a cooktop located below the microwave through a first camera or generate a second image by photographing an inside of the microwave through a second camera. The microwave is also configured to transmit at least one of the first image and the second image to the display device. The display device is configured to receive the at least one of a first image and the second image from the microwave and display the received at least one image.
    Type: Application
    Filed: September 5, 2018
    Publication date: August 22, 2019
    Inventors: Jae-hoon CHA, Hyeong-jin JANG, Dong-hyun SOHN
  • MEMORY DEVICE ADJUSTING DUTY CYCLE AND MEMORY SYSTEM HAVING THE SAME
    Publication number: 20190237127
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: August 1, 2019
    Inventors: DAE-SIK MOON, Gil-Hoon Cha, Ki-Seok Oh, Chang-Kyo Lee, Yeon-Kyu Choi, Jung-Hwan Choi, Kyung-Soo Ha, Seok-Hun Hyun
  • METHOD OF ACQUIRING OPTIMIZED SPHERICAL IMAGE USING MULTIPLE CAMERAS
    Publication number: 20190220952
    Abstract: Provided is a method of acquiring an optimized closed curved surface image using multiple cameras, and more particularly, an image providing method that produces a single image using a plurality of cameras fixed to a rig and having different capturing viewpoints, the method including projection operation of acquiring a single image by projecting images acquired from the plurality of cameras on a projection surface of a closed curved surface based on parameter information, rendering operation of fitting the acquired single image in a quadrangular frame for each region through a non-uniform sampling process, and viewing operation of mapping the sampled image to a viewing sphere.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 18, 2019
    Inventors: Jung Jin Lee, Seung Hoon Cha, Dae Hyeon Wi, Jae Hwan Kwon, Young Hui Kim, Seung Hwa Jeong, Kye Hyun Kim, Bum Ki Kim
  • APPLIANCES AND CONTROL METHOD THEREOF
    Publication number: 20190196426
    Abstract: An appliance is provided. The appliance includes a transceiver, and a processor configured to, based on an external appliance being identified to be adjacent to the appliance, receive arrangement state information of the external appliance through the transceiver, identify whether the appliance is a slave device controlled by the external appliance or a master device to control the external appliance based on the arrangement state information of the external appliance and arrangement state information of the appliance, based on the appliance being identified as the slave device, transmit a control authority to the external appliance through the transceiver, and based on the appliance being identified as the master device, request the control authority from the external appliance identified as the slave device through the transceiver.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 27, 2019
    Inventors: Jae-hoon CHA, Seong-su KIM, Min-gyu KIM
  • Electronic skin care device
    Patent number: D850638
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 4, 2019
    Inventor: Hoon Cha