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: 20200017978
    Abstract: The present invention provides a composition for cleaning a mask comprising a) 0.2 to 10% by weight of two or more alkali compounds selected from alkali hydroxides and alkali carbonates, b) 0.1 to 8% by weight of nitrate, c) 1 to 8% by weight of an oxidizer, and d) residual water, wherein the pH is 11.5 to 14. According to the present invention, a composition for cleaning a mask and a method for cleaning a mask using the same, which can remove only the film deposited on the mask in a short time without damaging the mask, was provided.
    Type: Application
    Filed: November 19, 2018
    Publication date: January 16, 2020
    Inventors: Gil Ho LEE, Chang Ho LEE, Sang-Ho AN, Soon Min PARK, Hong Sik KIM
  • Publication number: 20190285695
    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: November 6, 2018
    Publication date: September 19, 2019
    Inventors: Min-Woo Kim, Chang-ho Lee, Jin-Ho Choi
  • Patent number: 10403221
    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: June 5, 2017
    Date of Patent: September 3, 2019
    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
  • Patent number: 10366519
    Abstract: An electronic device is provided. The electronic device includes a display outputting a screen, a processor electrically connected to the display, and a memory electrically connected to the processor and configured to store at least one image and instructions. The instructions are configured to, when executed by the processor, cause the processor control the display to display a candidate image having a first size and including at least a portion of the stored at least one image, and control the display to display a recommendation object having a second size smaller than the first size and corresponding to a portion of the candidate image on the screen together with the candidate image.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Hwan Lee, Chang Ho Lee, Yong Joon Jeon, Min Kyung Hwang, Sung Hyuk Shin
  • Patent number: 10360295
    Abstract: A device and a method for editing text in a portable terminal are provided. The device includes displaying content comprising at least one unit of text, receiving an input of at least one unit of text through a first display area, changing to an editing mode for editing the content when the input text is released from the first display area while dragging the input text to replace a specific word included in the content located at a second display area, and replacing the specific word with the input text when the input text is completely dragged to the specific word.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chang-Ho Lee
  • Patent number: 10330722
    Abstract: Semiconductor module testing equipment includes a test board, a plurality of pipe structures extending from an upper surface of the test board in a first direction and spaced apart from one another in a second direction that intersects the first direction, wherein the first and second directions are substantially parallel to a plane of the test board, at least one semiconductor module socket disposed between a pair of neighboring pipe structures of the plurality of pipe structures, and a plurality of nozzles disposed on each pipe structure of the plurality of pipe structures, wherein the plurality of nozzles is configured to discharge a fluid laterally.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-woo Kim, Yong-dae Ha, Chang-ho Lee, Seul-ki Han
  • Publication number: 20190164690
    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: Application
    Filed: November 26, 2018
    Publication date: May 30, 2019
    Inventors: Jin Hwan KIM, Dae Bok OH, Jae Young PARK, Ichiro TANAKA, Chang Ho LEE
  • Publication number: 20190163341
    Abstract: An electronic device and method are disclosed. The electronic device includes a processor which implements the method. The method includes: executing an application in a first state, displaying a first user interface for the application on a display, the first UI including a first input field and a first identifier identifying the first input field, receiving data input to the first input field, in response to detecting a particular event, changing the first operational state to a second operational state, re-executing the application in the second operational state, transmitting data for a second UI of the re-executed application to an external display device for display, the second UI including a second input field and a second identifier corresponding to the second input field, and inserting the received data input into the second input field when the first identifier corresponds to the second identifier.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Inventors: Bu Nam JEON, Kyung Tae KIM, Ho Sung YOU, Seon Ho LEE, Yoon Jeong CHOI, Tae Ho HA, Chang Ho LEE
  • Patent number: 10210811
    Abstract: Disclosed is a pixel for improving an image quality. A pixel includes: an organic light emitting diode; a first transistor to control a current supplied to the organic light emitting diode from a first power source connected to a first electrode of the first transistor in response to a voltage applied to a first node; a second transistor connected between the first node and a second node, and turned on when a scan signal is supplied to a scan line; a first capacitor connected between the second node and a data line; and a third transistor connected between a second electrode of the first transistor and the second node, and turned on when a common control signal is supplied to a common control line.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-Ho Lee
  • Publication number: 20190051455
    Abstract: The present invention relates to a coil unit for a power inductor, a manufacturing method of a coil unit for a power inductor, a power inductor and a manufacturing method of a power inductor. The coil unit includes an insulating substrate and a coil pattern, wherein the coil pattern has a first plating part formed at least one surface among top and bottom surfaces of the insulating substrate, wherein a top side thereof has the shape of a taper and a second plating part formed to encompass the first plating part and to correspond to a shape of the first plating part.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Seok HEO, Chang Ho LEE, Young Woong SONG
  • Patent number: 10170242
    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: July 18, 2017
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Hwan Kim, Dae Bok Oh, Jae Young Park, Ichiro Tanaka, Chang Ho Lee
  • Patent number: 10170525
    Abstract: An organic light emitting display device includes a substrate, a gate insulation layer, a planarization layer, a boundary pattern, and a sub-pixel structure. The substrate includes a sub-pixel region and a transparent region. The gate insulation layer is disposed on the substrate. The planarization layer is disposed in the sub-pixel region on the gate insulation layer, and exposes the transparent region. The boundary pattern covers a boundary of the sub-pixel region and the transparent region. The sub-pixel structure is disposed on the planarization layer.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: January 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Ho Lee, Dae-Woo Kim, Jin-A Lee, Myung-Koo Hur
  • Publication number: 20180335908
    Abstract: An electronic device according to various embodiments of the present disclosure may comprise a processor set to: request a web page including a plurality of types of content through a communication module, a display, a speaker, and a communication module to a web server; receive content including the web page from the web server; analyze the type of content included in the web page; determine at least one usable content output mode from among an image mode, a video mode, and a sound mode, on the basis of the type of content; and when one from among the at least one usable content output mode is selected, outputting a portion of the types of content from among the received content according to the selected content output mode. Other embodiments are also possible.
    Type: Application
    Filed: November 15, 2016
    Publication date: November 22, 2018
    Inventors: Han Jib KIM, Dong Hyun YEOM, Chang Ho LEE, Yong Joon JEON
  • Patent number: 10126281
    Abstract: The present invention relates to a probe device for analyzing physical properties of food, having a teeth form, and more specifically, to a probe device for analyzing physical properties of food, having a teeth form, capable of objectively analyzing various physical properties felt by a person when chewing food, selecting and using a probe corresponding to a molar, a front tooth or a canine tooth, allowing a vertical motion of a press to be interlocked with a motion of the jaw joint, and allowing chewing experiments similar to real chewing of the human body to be carried out by enabling smooth occlusion of the upper jaw and the lower jaw.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: November 13, 2018
    Assignee: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Dong June Park, Dong Man Kim, Chang Ho Lee, Yong Gi Chun, Ah Ra Cho, Kook Nam Pyun
  • Publication number: 20180307775
    Abstract: Disclosed are a method for preventing consumption of unnecessary times and data traffics by displaying some of contents including in a webpage that is to be changed on a webpage before the change, and an electronic device performing the same.
    Type: Application
    Filed: October 13, 2016
    Publication date: October 25, 2018
    Inventors: Yu Youl EOM, Dae Sung KIM, Chang Ho LEE
  • Patent number: 10104366
    Abstract: A stereopsis image display device is provided that prevents 3D crosstalk from being generated and enables a lenticular film to be freely bent. The stereopsis image display device comprises a plurality of data lines arranged in a first direction; a plurality of gate lines arranged in a second direction; a plurality of sub pixels defined by crossing between the plurality of gate lines and the plurality of data lines; and a lenticular film provided on the plurality of sub pixels, wherein the plurality of sub pixels are provided in a horizontal 2-domain structure.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 16, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Chung Hwan An, Jae Woo Lee, Chang Ho Lee, Bo Gyun Chung, Yoon Sung Tak
  • Publication number: 20180260402
    Abstract: The present disclosure relates to an electronic device and a beacon-based searching method by the electronic device, which may store one or more data items received through a beacon signal using the wireless communication circuit, obtain information related to at least one data item related to a keyword search requested from among the one or more stored data items corresponding to a keyword search request, and display at least part of the obtained information on a screen.
    Type: Application
    Filed: February 22, 2018
    Publication date: September 13, 2018
    Inventors: Yoon-Jeong CHOI, Young-Jin LEE, Ki-Hong KWON, Ho-Sung YOU, Chang-Ho LEE, Han-Sol JO
  • Patent number: D845281
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: April 9, 2019
    Assignee: GN Audio A/S
    Inventor: Chang Ho Lee
  • Patent number: D845933
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: April 16, 2019
    Assignee: GN Audio A/S
    Inventor: Chang Ho Lee
  • Patent number: D855037
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: July 30, 2019
    Assignee: GN Audio A/S
    Inventor: Chang Ho Lee