Patents Assigned to HiDeep Inc.
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Patent number: 9563309Abstract: A touch input device capable of detecting a pressure of a touch on a touch surface may be provided that includes: a display panel; and an electrode disposed under the display panel. When a pressure is applied to the touch surface, a distance between the electrode and a reference potential layer is changed. A capacitance which is detected at the electrode is changed according to the distance change. The display panel includes a first area and a second area. Under a same distance change condition, a capacitance change amount detected at the electrode disposed under the second area is greater than a capacitance change amount detected at the electrode disposed under the first area.Type: GrantFiled: January 11, 2016Date of Patent: February 7, 2017Assignee: HIDEEP INC.Inventors: Hojun Moon, Bonkee Kim, Seyeob Kim, Sangsic Yoon, Sunyoung Kwon, Taehoon Kim
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Publication number: 20170031479Abstract: A touch input device capable of detecting a touch pressure is provided that includes: a display module having a pressure electrode which is formed on a back side of the display panel and is for detecting the pressure; and a reference potential layer which is formed separately from the pressure electrode. The touch input device detects the touch pressure on the basis of a capacitance change amount according to a change of a distance between the pressure electrode and the reference potential layer. As a result of this, the touch input device becomes thinner, has a reduced manufacturing cost thereof, and detects a touch position and touch pressure without deteriorating the visibility and optical transmittance of the display module.Type: ApplicationFiled: July 28, 2016Publication date: February 2, 2017Applicant: HiDeep Inc.Inventors: Taehwan KIM, Sangsic Yoon
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Patent number: 9552095Abstract: A touch panel control device may be provided that includes: a touch panel which generates at least one touch signal in response to a touch of an object; a displayer; and a controller which performs a first touch action mode in which the change of the touch position of the object is displayed on the displayer by a line in response to the object which has touched the touch panel, and performs a second touch action mode in which, in response to the position change of the object which corresponds to the position of the line displayed on the displayer, it is to carry out at least one of the removal of at least a portion of the line displayed on the displayer and the change of the color coordinate of the line. Also, a method for controlling the touch panel may be also provided.Type: GrantFiled: December 10, 2014Date of Patent: January 24, 2017Assignee: HIDEEP INC.Inventors: Bonkee Kim, Seyeob Kim
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Patent number: 9547388Abstract: A touch input device capable of detecting a pressure of a touch on a touch surface includes: a display module including a display panel; a substrate which is located under the display module and is spaced apart from the display module by a spacer layer; and a pressure electrode. An electrical signal, which is changed according to a capacitance between the pressure electrode and the substrate, is detected from the pressure electrode, and the capacitance changes depend on a change of a relative distance between the pressure electrode and the substrate, such that the pressure of the touch is detected based on the capacitance.Type: GrantFiled: January 29, 2016Date of Patent: January 17, 2017Assignee: HIDEEP INC.Inventors: Seyeob Kim, Sangsic Yoon, Hojun Moon, Taehoon Kim
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Patent number: 9535529Abstract: A smartphone includes a cover layer; an LCD panel which is located under the cover layer and includes a liquid crystal layer, and a first glass layer and a second glass layer between which the liquid crystal layer is placed, wherein at least a portion of a touch sensor which senses touch in a capacitive manner is located between the first glass layer and the second glass layer; a backlight unit which is located under the LCD panel; a pressure electrode which is located under the backlight unit; and a shielding member which is located under the pressure electrode.Type: GrantFiled: January 11, 2016Date of Patent: January 3, 2017Assignee: HIDEEP INC.Inventors: Seyeob Kim, Sangsic Yoon, Sunyoung Kwon, Hojun Moon, Taehoon Kim
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Patent number: 9535530Abstract: Disclosed is a capacitance sensor including: a capacitance-voltage/current converter which converts a capacitance value of a sense capacitor into a voltage signal or a current signal by using an input signal; a multiplier which applies a weight to an output signal of the capacitance-voltage/current converter and outputs the weighted output signal; and an accumulator which accumulates continuously the output signal of the multiplier.Type: GrantFiled: June 25, 2012Date of Patent: January 3, 2017Assignee: HIDEEP INC.Inventors: Youngho Cho, Bonkee Kim
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Publication number: 20160370908Abstract: An electrode sheet including an electrode layer and a support layer may be provided. The electrode layer includes a first electrode and a second electrode. The electrode sheet is used to detect a capacitance change between the first electrode and the second electrode, which is changed according to a relative distance change between the electrode layer and a reference potential layer disposed apart from the electrode sheet. The support layer is made of a material which is bent when a pressure is applied thereto and which is restored to its original state when the pressure is released therefrom.Type: ApplicationFiled: October 29, 2015Publication date: December 22, 2016Applicant: HiDeep Inc.Inventors: Seyeob KIM, Sang Sic YOON, Bonkee KIM
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Patent number: 9520854Abstract: Disclosed is a tunable capacitor. The tunable capacitor according to a first embodiment of the present invention includes: a first capacitor; and a switching transistor which switches on/off the connection of the first capacitor between the first terminal and the second terminal, wherein an on/off operation of the switching transistor is performed by a high signal H and a low signal L. The tunable capacitor according to a second embodiment of the present invention includes: a first capacitor; and a switching transistor which switches on/off the connection of the first capacitor between the first terminal and the second terminal, wherein an on/off operation of the switching transistor is performed by a high signal H and a low signal L, and wherein the tunable capacitor is integrated on one semiconductor die or on one module.Type: GrantFiled: August 29, 2013Date of Patent: December 13, 2016Assignee: HiDeep Inc.Inventors: Bonkee Kim, Youngho Cho, Donggu Im, Bumkyum Kim
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Patent number: 9501195Abstract: A smartphone may be provided that includes: a cover layer; an LCD panel which is located under the cover layer and includes a liquid crystal layer, and a first glass layer and a second glass layer between which the liquid crystal layer is placed, wherein at least a portion of a touch sensor which senses touch in a capacitive manner is located between the first glass layer and the second glass layer; and a backlight unit which is located under the LCD panel and includes an optical film, a light source, a reflective sheet and a cover. The backlight unit further includes a pressure sensor attached on the cover between the reflective sheet and the cover.Type: GrantFiled: August 7, 2015Date of Patent: November 22, 2016Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Sangsic Yoon, Young ho Cho
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Publication number: 20160334914Abstract: A pressure sensor may be provided that includes: an electrode; a drive unit which applies a drive signal to the electrode; a sensing unit which receives, through the electrode, a reception signal including information on a capacitance which is between the electrode and a reference potential layer and is changed according to a relative distance between the electrode and the reference potential layer spaced from the electrode; and a first impedance between the drive unit and the electrode, and a second impedance between the sensing unit and the electrode.Type: ApplicationFiled: May 10, 2016Publication date: November 17, 2016Applicant: HiDeep Inc.Inventors: Jongsik KIM, Bonkee Kim, Seyeob Kim, Sunyoung Kwon
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Publication number: 20160299598Abstract: A pressure detection module may be provided that includes: a first electrode and a second electrode which are located on an insulation layer; and an elastic foam. The elastic foam is located between the first and the second electrodes and a reference potential layer located apart from the pressure detection module. A capacitance between the first electrode and the second electrode is changed according to a relative distance change between the reference potential layer and the first and the second electrodes through a transformation of the elastic foam. A magnitude of a pressure which causes the elastic foam to be transformed is detected according to the capacitance change.Type: ApplicationFiled: November 3, 2015Publication date: October 13, 2016Applicant: HiDeep Inc.Inventors: Sangsic YOON, Sunyoung KWON, Hojun MOON, Taehoon KIM, Won Woo LEE, Seyeob KIM, Bonkee KIM
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Patent number: 9454253Abstract: A smartphone includes: a cover layer; a display module, and comprises a component configured to cause the LCD panel to perform a display function; a pressure electrode which is located under the display module; and a shielding member which is located under the pressure electrode. At least a portion of a touch sensor which senses touch in a capacitive manner is located in the display module.Type: GrantFiled: January 11, 2016Date of Patent: September 27, 2016Assignee: HIDEEP INC.Inventors: Seyeob Kim, Sangsic Yoon, Hojun Moon, Taehoon Kim
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Patent number: 9445463Abstract: Disclosed is an LED lighting device using a ballast for a fluorescent lamp, the LED lighting device including: an LED part which includes at least one LED device; a rectifier which rectifies a power signal outputted from the ballast for a fluorescent lamp; and a controller which receives an output signal of the rectifier and controls power transmitted from the ballast to the LED part.Type: GrantFiled: April 18, 2013Date of Patent: September 13, 2016Assignee: HiDeep Inc.Inventors: Jaeyoung Choi, Hee Seok Han
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Patent number: 9444324Abstract: Disclosed is a synchronous DC-DC converter including: a clock signal generator which generates a clock signal; a gate driving part which is connected to the clock signal generator and outputs a first delay clock signal and a second delay clock signal with respect to the clock signal; a switching part which is connected to the gate driving part and includes a first switching element and a second switching element which are complementarily switched according to each of the first delay clock signal and the second delay clock signal; and a controller which is connected to the switching part and generates a control signal which is usable by the gate driving part in order to control a dead time between the first switching element and the second switching element.Type: GrantFiled: December 16, 2013Date of Patent: September 13, 2016Assignee: HiDeep Inc.Inventor: Wonwoo Lee
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Patent number: 9395860Abstract: A touch panel input device and an input detection method thereof are provided. A driving signal is controlled to include a plurality of time intervals in which the driving signal is applied to at least one of at least two driving signal electrodes simultaneously driven, and in which the driving signal is not applied to at least one of at least two driving signal electrodes simultaneously driven. A driving signal supplier causes that a combination of the driving signal electrode to which the driving signal is applied in one of the plurality of time intervals and the driving signal electrode to which the driving signal is not applied in the one of the plurality of time intervals is different from a combination of the driving signal electrode to which the driving signal is applied in the other of the plurality of time intervals and the driving signal electrode to which the driving signal is not applied in the other of the plurality of time intervals.Type: GrantFiled: September 16, 2014Date of Patent: July 19, 2016Assignee: HIDEEP INC.Inventors: Bonkee Kim, Jeong Hwan Lee
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Patent number: 9398650Abstract: An LED lighting device includes: an LED unit which includes at least one LED device; and a rectifier which rectifies a current power signal output from the ballast and transfers the rectified current power signal to the LED unit. When the ballast is a low-frequency ballast having an output frequency less than 60 Hz, the rectifier opens between a main path for supplying power to the rectifier from the ballast and an auxiliary path for preheating a starter or filament of the ballast. When the ballast is a high-frequency ballast having the output frequency greater than 20 kHz, the rectifier short-circuits between the main path for supplying the power to the rectifier from the ballast and the auxiliary path for preheating the filament of the ballast.Type: GrantFiled: April 7, 2014Date of Patent: July 19, 2016Assignee: HiDeep Inc.Inventors: Jaeyoung Choi, Heeseok Han
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Patent number: 9395841Abstract: Disclosed are a touch screen controller and a method for controlling the same, which includes a touch processor which processes at least two touch operation modes independently and respectively in accordance with an object touched on the touch screen.Type: GrantFiled: October 17, 2013Date of Patent: July 19, 2016Assignee: HiDeep Inc.Inventors: Hwanhee Lee, Sangsic Yoon, Bonkee Kim
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Patent number: 9318890Abstract: Disclosed is a tunable capacitor which includes: a variable capacitor unit placed between a first terminal and a second terminal; and an ESD protection circuit which is inserted either between the first terminal and a ground terminal or between the second terminal and the ground terminal, or is inserted both between the first terminal and a ground terminal and between the second terminal and the ground terminal.Type: GrantFiled: April 1, 2013Date of Patent: April 19, 2016Assignee: HIDEEP INC.Inventors: Bonkee Kim, Youngho Cho, Donggu Im, Bumkyum Kim
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Patent number: 9262031Abstract: A touch input device capable of detecting a pressure of a touch on a touch surface may be provided that includes: a display panel; and an electrode disposed under the display panel. When a pressure is applied to the touch surface, a distance between the electrode and a reference potential layer is changed. A capacitance which is detected at the electrode is changed according to the distance change. The display panel includes a first area and a second area. Under a same distance change condition, a capacitance change amount detected at the electrode disposed under the second area is greater than a capacitance change amount detected at the electrode disposed under the first area.Type: GrantFiled: August 4, 2015Date of Patent: February 16, 2016Assignee: HIDEEP INC.Inventors: Hojun Moon, Bonkee Kim, Seyeob Kim, Sangsic Yoon, Sunyoung Kwon, Taehoon Kim
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Patent number: 9223437Abstract: Disclosed is a method for minimizing noise on a touch panel including a plurality of drive lines and a plurality of sensing lines, wherein the drive lines and the sensing lines cross each other, the method including: performing a dummy scan to sense a signal from the sensing line in a state where a driving signal is not applied to the drive line; and comparing a threshold with a magnitude of a signal obtained through the dummy scan, and estimating noise in a first frequency band, i.e., a frequency of the driving signal.Type: GrantFiled: March 12, 2013Date of Patent: December 29, 2015Assignee: HiDeep Inc.Inventors: Hwanhee Lee, Sangsic Yoon