Patents by Inventor Haengchul Kwak

Haengchul Kwak 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).

  • Patent number: 10817099
    Abstract: A mobile terminal including a window; a touch screen sensing a touch input applied to the window and outputting visual information; and an internal frame supporting a lower portion of the touch screen. Further, the touch screen includes a display module outputting the visual information; at least one heat dissipation layer disposed below the display module to dissipate heat; and a pressure sensing part including a ground layer and a pressure sensing layer spaced apart from each other with the at least one heat dissipation layer interposed therebetween and to sense a pressure of the touch input based on a change in capacitance according to a deformation of the at least one heat dissipation layer while the touch input is being applied. In addition, the ground layer is adjacent to the display module or the internal frame.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: October 27, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangjo Ryu, Byungki Kim, Haengchul Kwak, Sangkuk Jeon
  • Patent number: 10375227
    Abstract: A mobile terminal is disclosed. The mobile terminal comprises: a case; an input module installed at the case, the input module acquiring a touch input of a user; and a controller generating a control signal, wherein the input module includes: a button having a plurality of holes, the plurality of holes located on the case; a capacitive sensor located in the case, the capacitive sensor acquiring a variation of a electrostatic capacitance in accordance with the touch input; and a dielectric layer located between the button and the capacitive sensor; wherein the electrostatic capacitance includes: a first electrostatic capacitance generated between the user and the capacitive sensor through the plurality of holes; and a second electrostatic capacitance generated between the button and the capacitive sensor, and wherein the controller generates the control signal when the capacitive sensor acquires the variations of the first and second electrostatic capacitances.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 6, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Byungki Kim, Haengchul Kwak, Hangshin Cho, Dongchul Jin, Eunmo Yang
  • Publication number: 20190196641
    Abstract: A mobile terminal including a window; a touch screen sensing a touch input applied to the window and outputting visual information; and an internal frame supporting a lower portion of the touch screen. Further, the touch screen includes a display module outputting the visual information; at least one heat dissipation layer disposed below the display module to dissipate heat; and a pressure sensing part including a ground layer and a pressure sensing layer spaced apart from each other with the at least one heat dissipation layer interposed therebetween and to sense a pressure of the touch input based on a change in capacitance according to a deformation of the at least one heat dissipation layer while the touch input is being applied. In addition, the ground layer is adjacent to the display module or the internal frame.
    Type: Application
    Filed: September 20, 2016
    Publication date: June 27, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangjo RYU, Byungki KIM, Haengchul KWAK, Sangkuk JEON
  • Publication number: 20180139323
    Abstract: A mobile terminal is disclosed. The mobile terminal comprises: a case; an input module installed at the case, the input module acquiring a touch input of a user; and a controller generating a control signal, wherein the input module includes: a button having a plurality of holes, the plurality of holes located on the case; a capacitive sensor located in the case, the capacitive sensor acquiring a variation of a electrostatic capacitance in accordance with the touch input; and a dielectric layer located between the button and the capacitive sensor; wherein the electrostatic capacitance includes: a first electrostatic capacitance generated between the user and the capacitive sensor through the plurality of holes; and a second electrostatic capacitance generated between the button and the capacitive sensor, and wherein the controller generates the control signal when the capacitive sensor acquires the variations of the first and second electrostatic capacitances.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 17, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Byungki KIM, Haengchul KWAK, Hangshin CHO, Dongchul JIN, Eunmo YANG
  • Patent number: 9958983
    Abstract: A mobile terminal includes a display; a touch sensor coupled to the display, the touch sensor including a first sensor and a second sensor; a driving unit configured to supply power to drive the display; and a touch controller configured to: cause the driving unit to enter an inactive state when a lighting of the display is turned off; recognize a touch input applied to the display by sensing, via the first or second sensor, the touch input applied while the lighting of the display is off; cause the driving unit to enter an active state in response to the touch input, the active state maintained while the lighting of the display is on; and obtain touch coordinates of the touch input using input from both the first sensor and the second sensor together when the driving unit enters the active state.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 1, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongchul Jin, Haengchul Kwak, Youngsok Lee, Yehan Ahn
  • Patent number: 9798172
    Abstract: A mobile terminal includes a liquid crystal panel, a backlight unit that is disposed on a rear surface of the liquid crystal panel and configured to emit light toward the liquid crystal panel, a window that is disposed to cover the liquid crystal panel and formed in a curved shape along one direction, and a frame that is configured to support the window, wherein the liquid crystal panel is attached onto a rear surface of the window and changed into a curved shape to correspond to the curved window, and wherein the backlight unit is attached onto the frame and formed in a curved shape to correspond to the curved liquid crystal panel.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 24, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangjo Ryu, Seungmin Seen, Giljae Lee, Jongin Im, Haengchul Kwak, Jongseok Park, Kyunghee Yoo
  • Patent number: 9513736
    Abstract: A mobile terminal which includes a terminal body; a display mounted to the terminal body; a window disposed to cover the display and including central and edge regions wherein the central region is formed of a transmissive material and configured to align with the display, and the edge region is formed of an opaque material and configured to surround the central region. The mobile terminal further includes a first touch sensor disposed to span at least the central region and configured to detect a touch input to the central region; and a second touch sensor disposed to span at least part of the edge region and configured to detect a touch input to the at least part of the edge region, wherein the second touch sensor is configured to have a higher touch sensitivity than the first in order to detect a touch input to the opaque edge region.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: December 6, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hongjo Shim, Seonghyok Kim, Haengchul Kwak, Hyejin Eum
  • Publication number: 20160147371
    Abstract: A mobile terminal includes a display; a touch sensor coupled to the display, the touch sensor including a first sensor and a second sensor; a driving unit configured to supply power to drive the display; and a touch controller configured to: cause the driving unit to enter an inactive state when a lighting of the display is turned off; recognize a touch input applied to the display by sensing, via the first or second sensor, the touch input applied while the lighting of the display is off; cause the driving unit to enter an active state in response to the touch input, the active state maintained while the lighting of the display is on; and obtain touch coordinates of the touch input using input from both the first sensor and the second sensor together when the driving unit enters the active state.
    Type: Application
    Filed: November 25, 2015
    Publication date: May 26, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongchul JIN, Haengchul KWAK, Youngsok LEE, Yehan AHN
  • Publication number: 20160110003
    Abstract: A mobile terminal which includes a terminal body; a display mounted to the terminal body; a window disposed to cover the display and including central and edge regions wherein the central region is formed of a transmissive material and configured to align with the display, and the edge region is formed of an opaque material and configured to surround the central region. The mobile terminal further includes a first touch sensor disposed to span at least the central region and configured to detect a touch input to the central region; and a second touch sensor disposed to span at least part of the edge region and configured to detect a touch input to the at least part of the edge region, wherein the second touch sensor is configured to have a higher touch sensitivity than the first in order to detect a touch input to the opaque edge region.
    Type: Application
    Filed: December 30, 2015
    Publication date: April 21, 2016
    Applicant: LG Electronics Inc.
    Inventors: Hongjo SHIM, Seonghyok KIM, Haengchul KWAK, Hyejin EUM
  • Patent number: 9262006
    Abstract: A mobile terminal which includes a terminal body; a display mounted to the terminal body; a window disposed to cover the display and including central and edge regions wherein the central region is formed of a transmissive material and configured to align with the display, and the edge region is formed of an opaque material and configured to surround the central region. The mobile terminal further includes a first touch sensor disposed to span at least the central region and configured to detect a touch input to the central region; and a second touch sensor disposed to span at least part of the edge region and configured to detect a touch input to the at least part of the edge region, wherein the second touch sensor is configured to have a higher touch sensitivity than the first in order to detect a touch input to the opaque edge region.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: February 16, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hongjo Shim, Seonghyok Kim, Haengchul Kwak, Hyejin Eum
  • Publication number: 20150253615
    Abstract: A mobile terminal includes a liquid crystal panel, a backlight unit that is disposed on a rear surface of the liquid crystal panel and configured to emit light toward the liquid crystal panel, a window that is disposed to cover the liquid crystal panel and formed in a curved shape along one direction, and a frame that is configured to support the window, wherein the liquid crystal panel is attached onto a rear surface of the window and changed into a curved shape to correspond to the curved window, and wherein the backlight unit is attached onto the frame and formed in a curved shape to correspond to the curved liquid crystal panel.
    Type: Application
    Filed: February 19, 2015
    Publication date: September 10, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangjo RYU, Seungmin SEEN, Giljae LEE, Jongin IM, Haengchul KWAK, Jongseok PARK, Kyunghee YOO
  • Patent number: 8935637
    Abstract: A mobile terminal and a method for operating the mobile terminal are provided. The method senses touch of the mobile terminal in a predetermined mode and senses movement of the mobile terminal upon determining that the mobile terminal has been gripped based on the touch and then changes the mode of the mobile terminal according to the predetermined mode and the movement of the mobile terminal. This method enhances user convenience since it is possible to change the mode of the mobile terminal through movement of the mobile terminal while the mobile terminal is gripped.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: January 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Cheegook Kim, Jungwhan Kim, Haengchul Kwak, Gukchan Lim
  • Publication number: 20140253477
    Abstract: A mobile terminal which includes a terminal body; a display mounted to the terminal body; a window disposed to cover the display and including central and edge regions wherein the central region is formed of a transmissive material and configured to align with the display, and the edge region is formed of an opaque material and configured to surround the central region. The mobile terminal further includes a first touch sensor disposed to span at least the central region and configured to detect a touch input to the central region; and a second touch sensor disposed to span at least part of the edge region and configured to detect a touch input to the at least part of the edge region, wherein the second touch sensor is configured to have a higher touch sensitivity than the first in order to detect a touch input to the opaque edge region.
    Type: Application
    Filed: August 30, 2013
    Publication date: September 11, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Hongjo SHIM, Seonghyok KIM, Haengchul KWAK, Hyejin EUM
  • Publication number: 20110304648
    Abstract: A mobile terminal and a method for operating the mobile terminal are provided. The method senses touch of the mobile terminal in a predetermined mode and senses movement of the mobile terminal upon determining that the mobile terminal has been gripped based on the touch and then changes the mode of the mobile terminal according to the predetermined mode and the movement of the mobile terminal. This method enhances user convenience since it is possible to change the mode of the mobile terminal through movement of the mobile terminal while the mobile terminal is gripped.
    Type: Application
    Filed: June 7, 2011
    Publication date: December 15, 2011
    Inventors: Cheegook Kim, Jungwhan Kim, Haengchul Kwak, Gukchan Lim
  • Publication number: 20110096024
    Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a capacitance touch screen including an input touch layer configured to detect a touching of the touch screen, an output touch layer configured to output touch signals corresponding to the detected touching of the touch screen, a display layer configured to display information, and a proximity sensor layer disposed between the touch input layer and the touch output layer and configured to proximity detect a movement of a selection unit over the capacitance touch screen without the selection unit actually touching the capacitance touch screen; and a controller configured to calculate coordinates of a touch point where the capacitance touch screen was touched based on the output touch signals and to calculate coordinates of points along the detected movement of the selection unit based on the proximity detected movement by the proximity sensor layer.
    Type: Application
    Filed: October 19, 2010
    Publication date: April 28, 2011
    Inventor: Haengchul Kwak