Patents by Inventor Jung-Hwan Choi

Jung-Hwan Choi 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: 20200167061
    Abstract: A method for controlling a display device that includes a touch screen is provided. The method includes establishing a plurality of window display spaces in the touch screen, wherein each of the plurality of window display spaces displays a window for running an application, displaying a launcher application in one of the plurality of window display spaces, the launcher application presenting at least one icon to run at least one application, receiving in the launcher application a new application run command to run a new application, and displaying a new window for running the new application in one of the other window display spaces than the window display space where the launcher application is displayed, in response to the new application run command.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Inventors: Young-Jin KIM, Kang-Tae KIM, Dae-Wook PARK, Seung-Woon LEE, Jung-Hwan CHOI
  • Publication number: 20200168890
    Abstract: A negative electrode active material which includes a secondary particle including first primary particles, wherein the first primary particle includes a core including SiOx, wherein 0?x<2, an intermediate layer which covers at least a portion of a surface of the core and includes silicon nitride, silicon oxynitride, or a mixture thereof, and a carbon coating layer which covers at least a portion of the intermediate layer and includes nitrogen-doped carbon, and a negative electrode and a lithium secondary battery which include the same.
    Type: Application
    Filed: May 10, 2018
    Publication date: May 28, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Dong Hyuk KIM, Eun Kyung KIM, Rae Hwan JO, Il Geun OH
  • Patent number: 10664122
    Abstract: A method of displaying windows is provided. The method includes displaying at least two windows, displaying at least one center button disposed at at least one boundary between the at least two displayed windows, determining a window of which the size is to be changed according to a movement direction of the at least one center button, and changing a size of the determined window according to movement of the at least one center button and displaying the determined window having the changed size, wherein the determined window is overlaid on the at least two displayed windows, and wherein a size of the determined window is changed according to movement of the at least one center button.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-hwan Choi, Young-jin Kim, Kang-tae Kim
  • Publication number: 20200152095
    Abstract: A flexible display panel of an expandable display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.
    Type: Application
    Filed: December 24, 2019
    Publication date: May 14, 2020
    Inventors: JUNG HUN LEE, Sun Ho Kim, Young-Seok Seo, Tae An Seo, Jin Hwan Choi
  • Patent number: 10653005
    Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: May 12, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Choi, Min-Sung Kim, Tae-An Seo, Jung-Hun Lee
  • Publication number: 20200142586
    Abstract: A method of displaying for allowing a plurality of application windows to be easily controlled and a display device therefor are provided. A method of displaying a screen on a display device includes displaying a button on a touch screen; splitting the touch screen into a plurality of regions based on the position at which the button is displayed, receiving a touch input to move a displayed button, obtaining a slope value of a line connecting a start point of the touch input to an end point thereof, selecting a region corresponding to the slope value from among the plurality of regions split, and moving the button to a certain position included in a selected region.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 7, 2020
    Inventors: Jung-hwan CHOI, Young-jin KIM, Tae-soo KIM, Kang-tae KIM, Tae-hyung KIM
  • Publication number: 20200133488
    Abstract: A method for controlling a display device comprising a touch screen is provided. The control method displaying, on the touch screen, a plurality of windows that do not overlap one another and that respectively correspond to executing, displaying a center button disposed at an intersection of a plurality of dividing lines that distinguishes the plurality of windows, receiving an input of a window size change command for changing a size of at least one of the plurality of windows, changing the size of at least one of the plurality of windows in response to the window size change command, and discontinuing the displaying of less than all of the plurality of windows and enlarging a size of at least one remaining window.
    Type: Application
    Filed: December 31, 2019
    Publication date: April 30, 2020
    Inventors: Seung-Woon Lee, Kang-Tae Kim, Young-Jin KIM, Dae-Wook Park, Jung-Hwan Choi
  • Publication number: 20200135247
    Abstract: A method of controlling on-die termination (ODT) in a multi-rank system including a plurality of memory ranks is provided. The method includes: enabling ODT circuits of the plurality of memory ranks into an initial state when the multi-rank system is powered on; enabling the ODT circuits of a write target memory rank and non-target memory ranks among the plurality of memory ranks during a write operation; and disabling the ODT circuit of a read target memory rank among the plurality of memory ranks while enabling the ODT circuits of non-target memory ranks among the plurality of memory ranks during a read operation.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 30, 2020
    Inventors: YOUNG-HOON SON, SI-HONG KIM, CHANG-KYO LEE, JUNG-HWAN CHOI, KYUNG-SOO HA
  • Patent number: 10637051
    Abstract: Provided are a negative electrode active material for a lithium secondary battery and a method of preparing the same, wherein since the negative electrode active material includes porous polycrystalline silicon and the porous polycrystalline silicon includes pores disposed at grain boundaries, the negative electrode active material may exhibit a buffering action by internally absorbing changes in volume of the active material during charge and discharge. As a result, lifetime characteristics of a negative electrode and a battery may be improved.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: April 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Rae Hwan Jo, Ju Ho Chung, Eun Kyung Kim, Yong Ju Lee, Seung Youn Choi, Hyun Chul Kim, Jung Hyun Choi
  • Publication number: 20200125222
    Abstract: Disclosed is a method for executing at least one application by a display device having a touch screen. An application execution method according to the present invention may include the steps of: displaying a window for executing an application in each of a plurality of areas arranged on a touch screen; displaying a button on at least one boundary line dividing the plurality of areas; receiving an input for selecting the button; and displaying, in a predetermined area, on the basis of the received input, a list of at least one application executed in the predetermined area among the plurality of areas.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Dae-wook PARK, Young-jin KIM, Jae-yeol LEE, Tae-soo KIM, Jung-hwan CHOI, Kang-tae KIM
  • Publication number: 20200116847
    Abstract: A vehicle passenger detection device, a system including the same, and a method thereof are provided. The vehicle passenger detection device includes a processor configured to determine a location of a passenger per at least one or more seats based on strength of radar signals reflected from the at least one or more seats including medium with different reflection characteristics and a storage storing information associated with strength of a radar signal for each distance and information associated with strength of a radar signal according to the reflection characteristics of the medium.
    Type: Application
    Filed: August 21, 2019
    Publication date: April 16, 2020
    Inventors: Seul Ki Jeon, Gyun Ha Kim, Eung Hwan Kim, Beom Young Oh, Sung Ho Cho, Jung Woo Choi, Tae Gon Lim, Jae Ho Huh, Bong Gi Song, Joo Seong Seo
  • Patent number: 10621910
    Abstract: The present invention provides a pixel sensing device for sensing characteristics of pixels arranged on a display panel, processing and converting the same into valid sensing data, and transmitting the valid sensing data to an external device.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: April 14, 2020
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Seung Hwan Ji, Jung Bae Yun, Min Young Jeong, Jeung Hie Choi
  • Patent number: 10622444
    Abstract: A semiconductor device includes a plurality of active fins defined by an isolation layer on a substrate, a gate structure on the active fins and the isolation layer, and a gate spacer structure covering a sidewall of the gate structure. A sidewall of the gate structure includes first, second, and third regions having first, second, and third slopes, respectively. The second slope increases from a bottom toward a top of the second region. The second slope has a value at the bottom of the second region less than the first slope. The third slope is greater than the second slope.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Han Lee, Jae-Hwan Lee, Sang-Su Kim, Hwan-Wook Choi, Tae-Jong Lee, Seung-Mo Ha
  • Publication number: 20200110157
    Abstract: Embodiments disclosed herein relate to a target detection apparatus and method, and a vehicle control apparatus and method. A vehicle control apparatus includes: an image sensor operable to be disposed at a vehicle so as to have a field of view of exterior of the vehicle, the image sensor configured to capture image data; a processor configured to process the image data captured by the image sensor; and a controller configured to select a control target responsive at least in part to processing by the processor of the image data.
    Type: Application
    Filed: October 4, 2019
    Publication date: April 9, 2020
    Inventors: Jung Hwan CHOI, Han Byul LEE
  • Publication number: 20200099052
    Abstract: A negative electrode active material including silicon-based active material particles each including a core including SiOx, wherein 0?x?2, and a coating layer present on the core. Also, a negative electrode active material in which the coating layer is any one of a carbon coating layer or a polymer coating layer, and the coating layer includes a fluorinated material including at least one of an alkali metal or an alkaline earth metal.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Eun Kyung KIM, Rae Hwan JO, Dong Hyuk KIM, Il Geun OH
  • Publication number: 20200091286
    Abstract: A semiconductor device includes a plurality of active fins defined by an isolation layer on a substrate, a gate structure on the active fins and the isolation layer, and a gate spacer structure covering a sidewall of the gate structure. A sidewall of the gate structure includes first, second, and third regions having first, second, and third slopes, respectively. The second slope increases from a bottom toward a top of the second region. The second slope has a value at the bottom of the second region less than the first slope. The third slope is greater than the second slope.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 19, 2020
    Inventors: Jung-Han LEE, Jae-Hwan LEE, Sang-Su KIM, Hwan-Wook CHOI, Tae-Jong LEE, Seung-Mo HA
  • Publication number: 20200089020
    Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.
    Type: Application
    Filed: January 8, 2018
    Publication date: March 19, 2020
    Inventors: KAP JIN LEE, YONG NAM CHOI, DO YOON KIM, MIN SOO KIM, JUNG HWAN KIM, TAE YOUNG KIM
  • Patent number: 10585553
    Abstract: A method for controlling a display device that includes a touch screen is provided. The method includes establishing a plurality of window display spaces in the touch screen, wherein each of the plurality of window display spaces displays a window for running an application, displaying a launcher application in one of the plurality of window display spaces, the launcher application presenting at least one icon to run at least one application, receiving in the launcher application a new application run command to run a new application, and displaying a new window for running the new application in one of the other window display spaces than the window display space where the launcher application is displayed, in response to the new application run command.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: March 10, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Jin Kim, Kang-Tae Kim, Dae-Wook Park, Seung-Woon Lee, Jung-Hwan Choi
  • Patent number: 10577517
    Abstract: A high-solid coating composition may include about 70 wt % to about 80 wt % of an acrylic resin; and about 15 wt % to about 21 wt % of a solvent, wherein a content of non-volatile components (NVs) is about 55 wt % to about 60 wt %, a solid by volume ratio (SVR) is about 50% to about 55%, and a combination factor (CF) value being an appearance evaluation index is about 78% or more.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: March 3, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Mobis Co., Ltd.
    Inventors: Hee Joon Lee, Ki Wan Park, Young Ho Choi, Jong Yang Park, Ju Hyun Kim, Chang Myung Song, Jung Hwan Lee
  • Patent number: 10578940
    Abstract: A display device includes: a display panel in which a plurality of pixels are arranged; a plurality of gate lines disposed in the display panel and transmitting a gate signal to the plurality of pixels; a gate driver disposed in the display panel and including a plurality of stages for generating the gate signal and outputting the gate signal to the plurality of gate lines; and a plurality of clock signal lines disposed in the display panel and transmitting a clock signal to the plurality of stages. Each stage of the plurality of stages includes a clock signal terminal connected to one of the plurality of clock signal lines to receive the clock signal, a first output terminal connected to a corresponding gate line to output the gate signal, and a first transistor and a second transistor connected to the first output terminal.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Wook Shim, Jung Hwan Hwang, Jae-Jin Song, Kook Hyun Choi