Patents Assigned to Melfas, Inc.
  • Patent number: 10067611
    Abstract: There is disclosed an apparatus for detecting touch including a touch element comprising a plurality of touch detecting electrodes arranged therein, a touch element controller for acquiring detection signals from the touch detection electrodes and determining presence of touch in the touch element, wherein the touch element controller includes a receiving unit for receiving the detection signals from the touch detection electrodes and grouping the detection signals into one or more detection signal groups, a memory for storing a detection signal value limit, a signal extracting unit for extracting the maximum detection value out of the detection signal values of the detection for each of the detection signals, a calculating unit for calculating an adjustment variable by deducting the detection signal value limit from the maximum detection signal value for each of the detection groups, and a touch determination unit for determining presence of touch in the touch element, using the adjustment variable.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: September 4, 2018
    Assignee: Melfas Inc.
    Inventor: Sung-Sik Nam
  • Patent number: 9778785
    Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: October 3, 2017
    Assignee: Melfas Inc.
    Inventor: Young Ju Park
  • Patent number: 9690436
    Abstract: The touch panel includes a touch detecting region in which a plurality of sensing regions are two-dimensionally arranged on a single substrate, a plurality of first electrodes formed in shapes of predetermined patterns in the plurality of sensing regions, respectively, and sensing a position of a vertical axis of touch applied to the touch detecting region, and a plurality of second electrodes electrically insulated from the first electrodes in the plurality of sensing regions, respectively.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: June 27, 2017
    Assignee: Melfas Inc.
    Inventor: Sung Sik Nam
  • Patent number: 9626062
    Abstract: A method for manufacturing a touch sensing apparatus includes repeatedly forming a plurality of electrode patterns on a first sub-substrate unwound from a first roller; repeatedly forming a plurality of interconnection patterns on a second sub-substrate unwound by a second roller; forming an array of touch sensing substrates by adhering the first sub-substrate to the second sub-substrate; forming a plurality of via holes through which the plurality of electrode patterns are electrically connected to the plurality of interconnection patterns; and cutting the array of touch sensing substrates into a plurality of touch sensing substrates, each touch sensing substrate including one of the electrode patterns and one of the interconnection patterns.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: April 18, 2017
    Assignee: Melfas Inc.
    Inventor: Dong Jin Min
  • Patent number: 9501187
    Abstract: A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in an outer portion of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, and a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 22, 2016
    Assignee: Melfas Inc.
    Inventor: Kwang Hyun Kim
  • Patent number: 9274589
    Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: March 1, 2016
    Assignee: Melfas Inc.
    Inventor: Young Ju Park
  • Patent number: 9164635
    Abstract: Provided are a touch sensor chip, a touch sensing apparatus including the same, and a method of controlling noise of a touch panel. The touch sensing apparatus includes: an electronic device which is driven by a clock signal; a touch panel which is placed adjacent to the electronic device and receives a touch signal; and a touch sensor chip which transmits a driving signal to the touch panel and hops a frequency of the driving signal by a hopping interval if a noise level at the frequency of the driving signal is equal to or higher than a noise threshold, wherein the hopping interval is set based on an exciting frequency of the touch sensor chip.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: October 20, 2015
    Assignee: Melfas Inc.
    Inventor: Sung-Sik Nam
  • Publication number: 20150220170
    Abstract: Provided is a touch-sensing apparatus. The touch-sensing apparatus comprises: a touch panel for taking, as an input, a touch signal; and a control unit including a noise calculation part for calculating the level of the noise inputted via the touch panel, and an operation mode determining part for determining an operation mode of the touch panel to be either a general mode or a noise mode based on whether or not a touch input has occurred and based on the noise level.
    Type: Application
    Filed: August 9, 2013
    Publication date: August 6, 2015
    Applicant: Melfas, INC.
    Inventors: Sung Sik Nam, Seob Kim
  • Publication number: 20150185958
    Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.
    Type: Application
    Filed: February 6, 2014
    Publication date: July 2, 2015
    Applicant: Melfas Inc.
    Inventor: Young Ju PARK
  • Patent number: 9052787
    Abstract: A method for manufacturing a touch sensing apparatus includes repeatedly forming a plurality of electrode patterns on a first sub-substrate unwound from a first roller; repeatedly forming a plurality of interconnection patterns on a second sub-substrate unwound by a second roller; forming an array of touch sensing substrates by adhering the first sub-substrate to the second sub-substrate; forming a plurality of via holes through which the plurality of electrode patterns are electrically connected to the plurality of interconnection patterns; and cutting the array of touch sensing substrates into a plurality of touch sensing substrates, each touch sensing substrate including one of the electrode patterns and one of the interconnection patterns.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: June 9, 2015
    Assignee: Melfas Inc.
    Inventor: Dong Jin Min
  • Publication number: 20140340596
    Abstract: A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in an outer portion of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, and a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis.
    Type: Application
    Filed: May 8, 2014
    Publication date: November 20, 2014
    Applicant: Melfas Inc.
    Inventor: Kwang Hyun KIM
  • Publication number: 20140340595
    Abstract: A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in one outer side surface of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis, and a plurality of internal wires arranged in the same layer with the plurality of the transmitting electrodes and the plurality of the receiving electrodes, and connected to plurality of the transmitting electrodes and the plurality of the receiving electrodes to be extended to the external wire
    Type: Application
    Filed: May 8, 2014
    Publication date: November 20, 2014
    Applicant: Melfas Inc.
    Inventor: Kwang Hyun KIM
  • Patent number: 8884667
    Abstract: A touch panel system includes a signal generator configured to generate a reference signal and one or more channels. Each of the channels comprises a sensing unit configured to sense a touch thereon to output a sensing signal indicative of the touch; and a delay unit configured to adjust the reference signal based on a delay compensation value to compensate delay of the reference signal caused by the difference of distance between the signal generator and the channel. Further, each of the channels comprises an operation unit configured to perform an operation on the sensing signal and the reference signal from the delay unit to produce an operation result representing difference between the sensing signal and the adjusted reference signal; and a controller configured to determine the delay compensation value of the delay unit in each channel based on the voltage signal from the operation unit.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: November 11, 2014
    Assignee: Melfas Inc.
    Inventor: Do-Hwan Oh
  • Patent number: 8830185
    Abstract: A method for sensing two or more touch inputs includes receiving sensing signals of the touch inputs from plural sensing electrodes, calculating a value dependent on a distance between the touch inputs based on the received sensing signals, and determining the existence of the two or more touch inputs if the calculated value is more than or equal to a threshold value. The plural sensor electrodes include a pair of sensing electrodes that correspond to same coordinates on a first axis, and the sensing signals are received from the pair of sending electrodes along the first axis.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: September 9, 2014
    Assignee: Melfas, Inc.
    Inventors: Siwon Ryu, Sangwon Ji
  • Publication number: 20140184561
    Abstract: A touch sensing apparatus may include a sensing area including a plurality of sensing nodes; and a touch sensor integrated chip (IC) configured to acquire a sensing signal and an individual coordinate for each sensing node in response to a touch input occurring on the sensing area. The touch sensor IC may calculate a corrected coordinate corresponding to the touch input based on the sensing signal.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 3, 2014
    Applicant: Melfas Inc.
    Inventor: Seob KIM
  • Publication number: 20130120288
    Abstract: The present invention relates to a touch-sensing panel including an electrode-integrated window, and a manufacturing method thereof. The disclosed touch-sensing panel includes a transparent window and a wiring unit. A sensing electrode is formed in a certain pattern on one surface of the transparent window, and the transparent window allows touching on the opposite surface to the plane where the sensing electrode is formed. The wiring unit is connected to the sensing electrode, and the sensing electrode is integrated with the transparent window. According to the invention, it is used the transparent window in which the sensing electrode is integrated with the one surface so that the manufacturing processes may be simplified and the yield may be increased.
    Type: Application
    Filed: September 20, 2012
    Publication date: May 16, 2013
    Applicant: Melfas, Inc.
    Inventor: Melfas, Inc.
  • Publication number: 20130106781
    Abstract: The present invention relates to a touch sensing panel for delivering a sensing signal to a touch sensor chip by using a circuit board, and a touch sensing device, wherein: the touch sensing panel is formed by using a substrate on which a conductive trace is disposed and by using a circuit board, which delivers to a touch sensor chip, a sensing signal that is generated from said conductive trace by a touching object; and said touch sensing device is capable of sensing a touch input of the touching object by using said touch sensing panel.
    Type: Application
    Filed: July 12, 2011
    Publication date: May 2, 2013
    Applicant: Melfas, Inc.
    Inventor: Do Hwan Oh
  • Patent number: 8274488
    Abstract: The present invention relates to a touch location detecting panel and, more particularly, to a touch location detecting panel having a plurality of sensing areas arranged two-dimensionally. The touch location detecting panel of the invention has on a surface at one side of a single film a plurality of sensing areas arranged two-dimensionally. Each of the sensing areas includes a plurality of partitioned areas electrically isolated from each other, and the partitioned areas are respectively connected to separate channels of a circuit for detecting a user's touch on each of the partitioned areas. Accordingly, durability and productivity of the touch location detecting panel can be improved by simplifying the panel structure.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: September 25, 2012
    Assignee: Melfas, Inc.
    Inventor: Sang-ho Bae
  • Publication number: 20100309167
    Abstract: A touch sensor panel comprises a plurality of sensing electrodes arranged on one surface of a substrate and a conductive wire connected to one side of each of the plurality of sensing electrodes. Each sensing electrode includes at least one convex portion protruded in the opposite direction of the one side, and at least one concave portion indented towards the one side. For arrangement, the convex portion of each of the said sensing electrodes is inserted into the concave portion of at least one adjacent sensing electrode.
    Type: Application
    Filed: January 29, 2009
    Publication date: December 9, 2010
    Applicant: Melfas, Inc.
    Inventor: Sungsik Nam