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: 10817099Abstract: 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: GrantFiled: September 20, 2016Date of Patent: October 27, 2020Assignee: LG ELECTRONICS INC.Inventors: Sangjo Ryu, Byungki Kim, Haengchul Kwak, Sangkuk Jeon
-
Patent number: 10375227Abstract: 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: GrantFiled: January 29, 2016Date of Patent: August 6, 2019Assignee: LG ELECTRONICS INC.Inventors: Byungki Kim, Haengchul Kwak, Hangshin Cho, Dongchul Jin, Eunmo Yang
-
Publication number: 20190196641Abstract: 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: ApplicationFiled: September 20, 2016Publication date: June 27, 2019Applicant: LG ELECTRONICS INC.Inventors: Sangjo RYU, Byungki KIM, Haengchul KWAK, Sangkuk JEON
-
Publication number: 20180139323Abstract: 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: ApplicationFiled: January 29, 2016Publication date: May 17, 2018Applicant: LG ELECTRONICS INC.Inventors: Byungki KIM, Haengchul KWAK, Hangshin CHO, Dongchul JIN, Eunmo YANG
-
Patent number: 9958983Abstract: 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: GrantFiled: November 25, 2015Date of Patent: May 1, 2018Assignee: LG ELECTRONICS INC.Inventors: Dongchul Jin, Haengchul Kwak, Youngsok Lee, Yehan Ahn
-
Patent number: 9798172Abstract: 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: GrantFiled: February 19, 2015Date of Patent: October 24, 2017Assignee: LG ELECTRONICS INC.Inventors: Sangjo Ryu, Seungmin Seen, Giljae Lee, Jongin Im, Haengchul Kwak, Jongseok Park, Kyunghee Yoo
-
Patent number: 9513736Abstract: 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: GrantFiled: December 30, 2015Date of Patent: December 6, 2016Assignee: LG Electronics Inc.Inventors: Hongjo Shim, Seonghyok Kim, Haengchul Kwak, Hyejin Eum
-
Publication number: 20160147371Abstract: 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: ApplicationFiled: November 25, 2015Publication date: May 26, 2016Applicant: LG ELECTRONICS INC.Inventors: Dongchul JIN, Haengchul KWAK, Youngsok LEE, Yehan AHN
-
Publication number: 20160110003Abstract: 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: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Applicant: LG Electronics Inc.Inventors: Hongjo SHIM, Seonghyok KIM, Haengchul KWAK, Hyejin EUM
-
Patent number: 9262006Abstract: 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: GrantFiled: August 30, 2013Date of Patent: February 16, 2016Assignee: LG ELECTRONICS INC.Inventors: Hongjo Shim, Seonghyok Kim, Haengchul Kwak, Hyejin Eum
-
Publication number: 20150253615Abstract: 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: ApplicationFiled: February 19, 2015Publication date: September 10, 2015Applicant: LG ELECTRONICS INC.Inventors: Sangjo RYU, Seungmin SEEN, Giljae LEE, Jongin IM, Haengchul KWAK, Jongseok PARK, Kyunghee YOO
-
Patent number: 8935637Abstract: 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: GrantFiled: June 7, 2011Date of Patent: January 13, 2015Assignee: LG Electronics Inc.Inventors: Cheegook Kim, Jungwhan Kim, Haengchul Kwak, Gukchan Lim
-
Publication number: 20140253477Abstract: 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: ApplicationFiled: August 30, 2013Publication date: September 11, 2014Applicant: LG ELECTRONICS INC.Inventors: Hongjo SHIM, Seonghyok KIM, Haengchul KWAK, Hyejin EUM
-
Publication number: 20110304648Abstract: 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: ApplicationFiled: June 7, 2011Publication date: December 15, 2011Inventors: Cheegook Kim, Jungwhan Kim, Haengchul Kwak, Gukchan Lim
-
Publication number: 20110096024Abstract: 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: ApplicationFiled: October 19, 2010Publication date: April 28, 2011Inventor: Haengchul Kwak