Patents by Inventor Chang Ho Lee

Chang Ho Lee 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: 20210129278
    Abstract: A tool spindle for machine tool includes a tool spindle having a front end in which a tool is mounted and installed to be rotatable, and a vibration damping device mounted in a rear end of the tool spindle to damp cutting vibration generated at the front end of the tool spindle, and including a rigid member coupled to the rear end of the tool spindle and a tuned mass member elastically supported by the rigid member.
    Type: Application
    Filed: September 26, 2017
    Publication date: May 6, 2021
    Inventor: Chang-ho LEE
  • Publication number: 20210109149
    Abstract: An apparatus for testing a semiconductor device is described. The apparatus includes a test chamber in which a test process for a plurality of semiconductor devices is performed, a first storage disposed in the test chamber with a first semiconductor device located therein, a second storage spaced apart in a first direction from the first storage with a second semiconductor device located therein, a first nozzle extending in the first direction on a first sides of the first and second storages and including a plurality of first air outlets configured to discharge air, a second nozzle extending in the first direction on and including a plurality of second air outlets configured to discharge air, and a controller controlling temperatures of the first and second semiconductor devices within a predefined temperature range by controlling the air discharged by the first and second nozzles.
    Type: Application
    Filed: May 15, 2020
    Publication date: April 15, 2021
    Inventors: MIN WOO KIM, SEUNG BIN KO, DONG JOO ROH, CHANG HO LEE, JIN-HO CHOI
  • Publication number: 20210111484
    Abstract: Disclosed is an electronic device. According to an embodiment, the electronic device includes a housing that covers at least a portion of a back surface of the electronic device, a plurality of slits being formed in parallel from one end to an opposite end and the at least a portion of the housing being formed of a conductive material, a feeder that is electrically connected with at least one point of the housing, and a ground part that is electrically connected with at least one point of the housing. A part of the plurality of slits includes a section greater in width than another part of the plurality of slits. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: November 2, 2017
    Publication date: April 15, 2021
    Inventors: Kyi Hyun JANG, Kyung Kyun KANG, Ji Ho KIM, Gyu Bok PARK, Kyung Moon SEOL, Hyun Jeong LEE, So Young LEE, Chang Ho LEE, Chi Hyun CHO, Jae Bong CHUN
  • Publication number: 20210098320
    Abstract: A package that includes a substrate having a first surface; a solder resist layer coupled to the first surface of the substrate; a device located over the solder resist layer such that a portion of the device touches the solder resist layer; and an encapsulation layer located over the solder resist layer such that the encapsulation layer encapsulates the device. The solder resist layer is configured as a seating plane for the device. The device is located over the solder resist layer such that a surface of the device facing the substrate is approximately parallel to the first surface of the substrate. The solder resist layer includes at least one notch. The device is located over the solder resist layer such that at least one corner of the device touches the at least one notch.
    Type: Application
    Filed: October 1, 2019
    Publication date: April 1, 2021
    Inventors: Daniel GARCIA, Kinfegebriel Amera MENGISTIE, Francesco CARRARA, Chang-Ho LEE, Ashish ALAWANI, Mark KUHLMAN, John Jong-Hoon LEE, Jeongkeun KIM, Xiaoju YU, Supatta NIRAMARNKARN
  • Patent number: 10908754
    Abstract: A touch sensing unit, includes a plurality of first sensing electrodes and a plurality of second sensing electrodes intersecting with and insulated from the plurality of first sensing electrodes. The plurality of first sensing electrodes includes a plurality of first sensor portions and a plurality of first connection portions connecting each of the plurality of first sensor portions with one another. The plurality of second sensing electrodes includes a plurality of second sensor portions, a plurality of stem sensors extended from the plurality of second sensor portions, and a plurality of second connection portions connecting each of the plurality of sensor portions with one another. Each of the plurality of first sensor portions includes a plurality of depressions indented inwardly. Each of the plurality of stem sensors is disposed such that it is at least partially surrounded by a respective depression of the plurality of depressions.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyeong Nam Bang, Chang Ho Lee, Hye Yun Han, Young Bae Jung
  • Publication number: 20210003632
    Abstract: A test system for a memory device includes: a chamber including at least one test socket column having a plurality of test sockets arranged in a first direction, wherein memory devices to be tested are in respective ones of the plurality of test sockets, a temperature adjusting apparatus configured to supply air into the chamber according to a temperature control signal to control a temperature of the chamber, a test device electrically connected to the test sockets and configured to test the memory devices, and a temperature controller configured to receive temperature information of the memory devices from temperature sensors of the memory devices and to output to the temperature adjusting apparatus the temperature control signal to compensate for a temperature difference between a detected temperature of the memory devices and a target temperature.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Inventors: Min-Woo Kim, Chang-Ho Lee, Jin-Ho Choi
  • Publication number: 20200395012
    Abstract: According to various embodiments of the disclosure, An electronic device according to various embodiments of the disclosure may include: a communication module; a display; a memory; and a processor electrically connected to the communication module, the display, and the memory, wherein the memory stores instructions that cause, when executed, the processor to: receive a voice recognition trigger command during a call while a call connection with an external electronic device is maintained; execute a voice recognition function, based on a voice received from the external electronic device; determine a function execution command corresponding to a recognized voice; and execute a function of the electronic device according to the determined function execution command.
    Type: Application
    Filed: November 6, 2018
    Publication date: December 17, 2020
    Inventors: Kyung Tae KIM, Chang Ho LEE
  • Publication number: 20200375488
    Abstract: An electrocardiogram measurement system includes a patch-type electrocardiogram measurement apparatus; a first device connected to the electrocardiogram measurement apparatus by means of a first communication and configured to store electrocardiogram data measured by the electrocardiogram measurement apparatus; and a second device connected to the electrocardiogram measurement apparatus by means of the first communication and configured to store electrocardiogram data measured by the electrocardiogram measurement apparatus. The electrocardiogram data measured by the electrocardiogram measurement apparatus includes measured time information.
    Type: Application
    Filed: August 20, 2020
    Publication date: December 3, 2020
    Applicant: ATSENS CO., LTD.
    Inventors: Deok Byeong CHAE, Chang Ho LEE, Jong Sung KIM, Jong Ook JEONG
  • Patent number: 10854375
    Abstract: An electronic device is provided. The electronic device includes a housing and a first coil disposed in the housing and wound around a space formed inside. The housing includes a front cover and a rear cover. The rear cover includes a hole located in a first region of the rear cover that corresponds to the space of the first coil, a first slit that extends from an edge of the rear cover to the hole, and a second slit spaced apart from the first slit and extending from the edge. One end of the second slit is located in a second region of the rear cover that corresponds to the first coil. In addition, various other embodiments recognized through the present specification are possible.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keum Su Song, Ji Won Kim, Se Ho Park, Ki Tae Lee, Chang Ho Lee, Chi Hyun Cho
  • Publication number: 20200371133
    Abstract: The present invention relates to: a multi-speed meter capable of measuring a wind speed with a self-correction function, a wind speed measuring method with a self-correction function, and a moving apparatus having a multi-speed meter installed therein, which are installed on a ground-based moving apparatus significantly affected by a wind speed such as a bicycle or motorcycle to measure a wind speed and simultaneously correct a displayed speed. The multi-speed meter capable of measuring a wind speed with a self-correction function includes an absolute speedometer installed on a moving apparatus and measuring an absolute speed, a relative speedometer installed on the moving apparatus and measure a relative speed of the traveling object; and a control unit which receives and outputs the absolute speed and the relative speed respectively measured by the absolute speedometer and the relative speedometer, and outputs a wind speed which is the difference between the absolute speed and the relative speed.
    Type: Application
    Filed: August 17, 2018
    Publication date: November 26, 2020
    Inventors: Byeong Hee CHANG, Young Min PARK, Chang Ho LEE
  • Patent number: 10832981
    Abstract: A display device including: a first substrate including a display area and a peripheral area; a display part disposed on the first substrate and to include a plurality of pixels; a second substrate disposed on the display part; and an inorganic layer disposed on the second substrate. The inorganic layer may include an opening, and the opening overlaps the display area and the peripheral area.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: November 10, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jin Yang, Sung Hee Kim, In Ho Kim, Hyun Sik Park, Gyeong Nam Bang, Chun Gi You, Chang Ho Lee, Hye Yun Han
  • Patent number: 10816596
    Abstract: A test system for a memory device includes: a chamber including at least one test socket column having a plurality of test sockets arranged in a first direction, wherein memory devices to be tested are in respective ones of the plurality of test sockets, a temperature adjusting apparatus configured to supply air into the chamber according to a temperature control signal to control a temperature of the chamber, a test device electrically connected to the test sockets and configured to test the memory devices, and a temperature controller configured to receive temperature information of the memory devices from temperature sensors of the memory devices and to output to the temperature adjusting apparatus the temperature control signal to compensate for a temperature difference between a detected temperature of the memory devices and a target temperature.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 27, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Woo Kim, Chang-Ho Lee, Jin-Ho Choi
  • Publication number: 20200310580
    Abstract: A touch sensor includes touch electrodes in a first area and a second area, a first force sensor electrode on a same layer as the touch electrodes and spaced from a first touch electrode in the first area, a first force sensor line on a same layer as the touch electrodes and electrically connected to the first force sensor electrode, the first force sensor line being at a second side of the first touch electrode, and touch lines on a same layer as, and connected to, the touch electrodes, the touch lines including a first touch line connected to the first touch electrode and at a first side of the first touch electrode.
    Type: Application
    Filed: November 19, 2019
    Publication date: October 1, 2020
    Inventors: Hye Yun HAN, Eun Young KIM, Gyeong Nam BANG, Chang Ho LEE, Chung YI
  • Patent number: 10770226
    Abstract: A composite electronic component composed of a composite body including a capacitor and an electrostatic discharge (ESD) protection device coupled to each other. The capacitor includes a ceramic body in which a plurality of dielectric layers and internal electrodes are stacked with a respective dielectric layer therebetween. The ESD protection device includes first and second electrodes disposed on the ceramic body, a discharging part disposed between the first and second electrodes, and a protective layer disposed on the first and second electrodes and the discharging part. An input terminal disposed on a first end surface of the composite body and is connected to internal electrodes and the first and second electrodes. A ground terminal formed on a second end surface of the composite body and is connected to internal electrodes and the first and second electrodes.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Hwan Kim, Dae Bok Oh, Jae Young Park, Ichiro Tanaka, Chang Ho Lee
  • Patent number: 10770020
    Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hoon Lee, Seung-Hwan Moon, Yong-Soon Lee, Young-Su Kim, Chang-Ho Lee, Whee-Won Lee, Jun-Yong Song, Yu-Han Bae
  • Publication number: 20200270612
    Abstract: A cancer-specific trans-splicing ribozyme and a use thereof are disclosed. The trans-splicing ribozyme does not act on normal tissue, but is specifically expressed in cancer tissue. Therefore, it is very safe and has excellent expression efficiency at the post-transcription level, and thus can be effectively used in treatment of cancer.
    Type: Application
    Filed: February 21, 2020
    Publication date: August 27, 2020
    Applicants: Rznomics Inc., Dong-A University Research Foundation for Industry Academy Cooperation, Industry-Academic Cooperation Foundation, Dankook University
    Inventors: Seong-Wook Lee, Chang Ho Lee, Seung Ryul I Han, Ji Hyun Kim, Eun Yi Cho, Jin Sook Jeong, Mi Ha Ju
  • Publication number: 20200258466
    Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: JAE-HOON LEE, SEUNG-HWAN MOON, YONG-SOON LEE, YOUNG-SU KIM, CHANG-HO LEE, WHEE-WON LEE, JUN-YONG SONG, YU-HAN BAE
  • Publication number: 20200210034
    Abstract: An apparatus for processing information of an electronic document includes: a display unit configured to display at least one recommended item indicating user interest information in a first electronic document, and a controller configured to provide to the display unit for displaying the at least one recommended item in the first electronic document based on user information collected from the first electronic document, and to provide to the display unit for displaying user interest information through a function corresponding to a selected item of the at least one recommended item.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 2, 2020
    Inventors: Chang-Hyup JWA, Kyung-Tae KIM, Hye-Rim BAE, Yang-Wook KIM, Sun-Kee LEE, Doo-Suk KANG, Chang-Ho LEE, Sae-Mee YIM, Yong-Joon JEON
  • Publication number: 20200207331
    Abstract: The present invention relates to a driving assistance apparatus for a vehicle, and comprises: a wind sensor, which assigns in advance, through wind tunnel tests and the like, a driving stability region in which driving stability of the vehicle is maintained, and is attached to one side of the vehicle so as to measure two-dimensional wind direction and wind speed; and a processor for determining driving stability by using the driving speed of the vehicle and information of the wind direction and the wind speed which are measured by the wind sensor.
    Type: Application
    Filed: July 24, 2018
    Publication date: July 2, 2020
    Applicant: Korea Aerospace Research Institute
    Inventors: Byeong Hee CHANG, Young Min PARK, Chang Ho LEE, Yung Gyo LEE
  • Patent number: 10649231
    Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 12, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo