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`(cid:58)(cid:76)(cid:81)(cid:87)(cid:72)(cid:78) (cid:40)(cid:91)(cid:75)(cid:76)(cid:69)(cid:76)(cid:87) (cid:20)(cid:19)(cid:19)(cid:21)
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`PTOJSBI14 (07-07)
`Approved for use through DES/3012010. OMB 0651-0032
`US. Patent and Trademark Office; US. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
`
`Application Data Sheet 37 CFR 1.76
`
`_
`
`_
`
`Title of Invention
`
`CONDUCTOR PATTERN STRUCTURE OF CAPACITIVE TOUCH PANEL
`
`document may be printed and included in a paper filed application.
`
`The application data sheet is part of the provisional or nonprovisional application for which it is being submitted. The following form contains the
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`Applicant 1
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`Residence Information (Select One) 0 US Residency @ Non US Residency 0 Active US Military Service
`City
`Taipei
`Country Of Residencei
`| TW
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`[9 Non US Residency 0 Active US Military Service
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`Address 2
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`2F-1, No. 5, Alley 22, Lane 513
`
`Rueiguang Rd., Neihu
`
`
`City
`Taipei
`State] Province
`
`Postal Code
`
`114
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`Countryi
`
`TW
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`PTOJSBI14 (07-07)
`Approved for use through DES/3012010. OMB 0651-0032
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
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`Appllcatlon Data Sheet 37 CFR 1.76
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`Attorney Docket Number
`_
`_
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`
`
`TVM-OOZ
`
`CONDUCTOR PATTERN STRUCTURE OF CAPACITIVE TOUCH PANEL
`Title of Invention
`
`
`Customer Number
`
`03897
`
`
`
`Application Information:
`
`CONDUCTOR PATTERN STRUCTURE OF CAPACITIVE TOUCH PANEL
`Title of the Invention
`Attorney Docket Number
`TVM-002
`| Small Entity Status Claimed
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`Utility
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`|:| Request Early Publication (Fee required at time of Request 37 CFR 1.219)
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`I hereby request that the attached application not be published under 35 US.
`Request Not to PUbIISh.
`Cl C. 122(b) and certify that the invention disclosed in the attached application has not and will not be the subject of
`an application filed in another country, or under a multilateral international agreement, that requires publication at
`eighteen months after filing.
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`PTOJSBI14 (07-07)
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`Under the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless it contains a valid OMB control number.
`-
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`Application Data Sheet 37 CFR 1.76—
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`-
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`CONDUCTOR PATiERN STRUCTURE OF CAPACITIVE TOUCH PANEL
`Title of Invention
`
`
`This section allows for the applicant to claim benefit of foreign priority and to identify any prior foreign application for which priority is
`not claimed. Providing this information in the application data sheet constitutes the claim for priority as required by 35 U.S.C. 119(b)
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`organization Name
`TrendOn Touch Technology Corp.
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`Mailing Address Information:
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`Address 1
`2F—1, No. 5, Alley 22, Lane 513
`
`
`Address 2
`Rueiguang Rd., Neihu
`
`
`City
`Taipei
`StateIProvince
`
`Country i TW
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`114
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`Signature:
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`CFR 1.4(d) for the form of the signature.
`
`
`lthomas schneckl
`
`Date (YYYY-MM-DD)
`
`2007-08-21
`
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`First Name
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`

`

`What is claimed is:
`
`1. A conductor pattern structure of a capacitive touch panel, which is adapted to
`
`form on a surface of a substrate,
`
`the touch—control pattern structure
`
`comprising:
`
`a plurality of first-axis conductor assemblies, each first—axis conductor
`
`assembly comprising a plurality of first-axis conductor cells arranged on
`
`the substrate surface along a first axis in a substantially equally—spaced
`
`manner, a disposition zone being delimited between adjacent ones of the
`
`first-axis conductor assemblies and between adjacent ones of the first-axis
`
`conductor cells;
`
`a plurality of first—axis conduction lines respectively connecting between
`
`adjacent ones of the first-axis conductor cells of each first—axis conductor
`
`assembly so that the first-axis conductor cells of each respective first-axis
`
`conductor assembly are electrically connected together;
`
`a plurality of insulation layers each covering a surface of each first—axis
`
`conduction line;
`
`a plurality of second-axis conductor assemblies, each second-axis conductor
`
`assembly comprising a plurality of second—axis conductor cells arranged
`
`on the
`
`substrate surface
`
`along a
`
`second axis
`
`in a
`
`substantially
`
`equally-spaced manner, each second-axis conductor cell being set in each
`
`disposition zone; and
`
`a plurality of second—axis conduction lines respectively connecting between
`
`adjacent ones of the second—axis conductor cells of each second—axis
`
`conductor assembly so that
`
`the second-axis conductor cells of each
`
`respective second-axis conductor assembly are electrically connected
`
`together, the second-axis conduction line being extended across a surface
`
`of the insulation layer of the respective first-axis conduction line.
`
`13
`
`Page 6 of 364
`Page 6 of 364
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`

`

`The conductor pattern structure as claimed in Claim 1, wherein the first—axis
`
`conductor cells and the second-axis conductor cells consist of a transparent
`
`conductive material.
`
`The conductor pattern structure as claimed in Claim 1, wherein the first—axis
`
`conduction lines and the second-axis conduction lines consist of a transparent
`
`conductive material.
`
`The conductor pattern structure as claimed in Claim 1, wherein the insulation
`
`layer consists of a transparent insulation material.
`
`The conductor pattern structure as claimed in Claim 1, wherein the first—axis
`
`conductor cells and the second-axis conductor cells have a contour of
`
`hexagonal shape.
`
`A conductor pattern structure of a capacitive touch panel adapted to form on a
`
`surface of a substrate, the touch—control pattern structure comprising:
`
`at least two adjacent first—axis conductor cells; and
`
`at least two adjacent second-axis conductor cells,
`
`wherein the adjacent first-axis conductor cells are connected by a first—axis
`
`conduction line provided therebetween, characterized in that an insulation
`
`layer is formed on a surface of the first—axis conduction line and a second-axis
`
`conduction line extends across a surface of the insulation layer to connect
`
`between the adjacent second-axis conductor cells.
`
`The conductor pattern structure as claimed in Claim 6, wherein the first—axis
`
`conductor cells and the second—axis conductor cells consist of a transparent
`
`conductive material.
`
`Page 7 of 364
`Page 7 of 364
`
`14
`
`

`

`8. The conductor pattern structure as claimed in Claim 6, wherein the first—axis
`
`conduction line and the second—axis conduction line consist of a transparent
`
`conductive material.
`
`9. The conductor pattern structure as claimed in Claim 6, wherein the insulation
`
`layer consists of a transparent insulation material.
`
`10. The conductor pattern structure as claimed in Claim 6, wherein the first-axis
`
`conductor cells and the second-axis conductor cells have a contour of
`
`hexagonal shape.
`
`Page 8 of 364
`Page 8 of 364
`
`15
`
`

`

`
`
`
`
`
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`
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`
`
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`FIG.I
`
`Page 9 of 364
`Page 9 of 364
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`

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`Page 10 of 364
`Page 10 of 364
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`
`Page 11 of 364
`Page 11 of 364
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`Page 12 of 364
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`Page 13 of 364
`Page 13 of 364
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`

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`Under lhe Feperwufi: Reduuuen Adel’1995.no pendulum requlned tor—pond lo I Mndhlennm unlm Il cont-elm
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`DECLARATION FOR UTMTY on
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`PATENT APPLICATION
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`My residence. postofllee Minus. and dliunsnh er- a: stated helm next to my um.
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`mm are listed helm of lhe su- = numerm In :lelrned Ind fell-Mich I mien: In mun! on the hvemlon unwed."
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`Page 14 of 364
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`ADDITIONAL INVENTONB}
`Supplomqualihut
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`CONDUCTOR PATTERN STRUCTURE OF CAPACITIVE TOUCH
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`PANEL
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`FIELD OF THE INVENTION
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`[0001]
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`The present invention relates to the field of touch panel devices, and in
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`particular to a conductor pattern structure of a capacitive touch panel.
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`BACKGROUND OF THE INVENTION
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`[0002]
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`Touch panels have been of wide applications in the fields of household '
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`appliances, communications, and electronic information appliances- An example
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`of the common applications of the touch panel is an input interface of a personal
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`digital assistant (PDA), an electrical appliance, or a game machine, etc. The
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`current trend of integration of a touch panel and a display panel allows a user to
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`use his or her finger or a stylus to point a control icon shown on the panel in order
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`to execute a desired function on a PDA, an electrical appliance or a game machine,
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`etc. The touch panel is also applied in a public information inquiry system to
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`provide an efficient operation system for the public.
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`[0003]
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`A conventional touch panel comprises a substrate having a surface on
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`which sensing zones are distributed for sensing a signal associated with the touch
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`of a user’s finger or stylus to effect input and control. The sensing zones are
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`made of transparent conductive membranes, such as Indium Tin Oxide (ITO),
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`whereby a user may touch the transparent conducive membrane corresponding to
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`a specific location shown on the display to effect operation of the device.
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`[0004]
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`The most commonly known types of touch panels include resistive
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`panel, capacitive panel, infrared sensing panel, electromagnetic sensing panel, and
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`sonic sensing panel.
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`The capacitive touch panel employs
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`a change in
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`capacitance caused between a transparent electrode and the electrostatics of
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`human body to induce an current based on which the touch location can be
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`identified. The capacitive touch panel
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`is advantageous in light transparency,
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`hardness, precision, response time,
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`touch cycles, operation temperature, and
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`initiation force and is thus most commonly used currently.
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`[0005]
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`In order to detect the location where a finger or a stylus touches the
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`touch panel, a variety of capacitive touch panel techniques are developed. An
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`example is US Patent No. 6,970,160, which discloses a lattice touch-sensing
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`system for detecting a position of a touch on a touch—sensitive surface. The
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`lattice touch—sensing system may include two capacitive sensing layers, separated
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`by an insulating material, where each layer consists of substantially parallel
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`conducting elements, and the conducting elements of the two sensing layers are
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`substantially orthogonal to each other. Each element may comprise a series of
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`diamond shaped patches that are connected together with narrow conductive
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`rectangular strips.
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`Each conducting element of a given sensing layer
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`is
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`electrically connected at one or both ends to a lead line of a corresponding set of
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`lead lines. A control circuit may also be included to provide an excitation signal
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`to both sets of conducting elements through the corresponding sets of lead lines,
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`to receive sensing signals generated by sensor elements when a touch on the
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`surface occurs, and to determine a position of the touch based on the position of
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`the affected bars in each layer.
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`[0006]
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`US Patent No. 4,233,522 discloses a capacitive touch panel comprising
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`an array of touch sensitive switch cells. Each switch cell includes a first and a
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`second pair of series connected capacitors energized by a common signal source,
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`the array of switch cells being arranged so that the first pair of capacitors are
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`connected in first groups of switch cells, such as rows, to a corresponding first
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`plurality of signal detectors, and the second pair of capacitors are connected in
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`second groups of switch cells, such as columns,
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`to a corresponding second
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`plurality of signal detectors, the junctions of each pair of capacitors of a single
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`switch cell being selectively coupled to ground by the body or other touch
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`capacitive means for actuating a selected switch cell.
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`[0007]
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`US Patent No. 4,733,222 discloses a capacitance variation sensitive
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`touch sensing array system including an array of electrodes, an array of drive lines,
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`a drive signal generator, and an array of sense lines. Each electrode is a
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`connected series of conductive tabs and forms either a row or a column of the
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`electrode array. Each drive line is capacitively coupled to a plurality of the
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`electrodes. The drive signal generator generates and applies alternating signal
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`packets to the drive lines. The sense line is capacitively coupled to a plurality of
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`the electrodes so that signals are derived from the electrodes when drive signals
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`are applied to the drive lines. The number of electrodes is equal to the product of
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`the number of drive lines and the number of sense lines. Based on values
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`derived from signals on the sense lines, a microprocessor provides information
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`associated with touch by an operator.
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`[0008]
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`US Patent No. 5,880,411 discloses a method for recognizing a position
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`made by a conductive object on a touch—sensor pad. Signals are sent to a control
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`circuit of a host to identify the touch position. US Patent Nos. 6,414,671 and
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`5,374,787 disclose the same technique.
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`[0009]
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`US Patent No. 7,030,860 discloses a transparent, capacitive sensing
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`system particularly well suited for input to electronic devices. The capacitive
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`sensor can further be used as an input device for a graphical user interface,
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`especially if overlaid on top of a display device like an LCD screen to sense finger
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`position and contact area over the display.
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`[0010]
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`US Patent No. 5,459,463 discloses a device for locating an object
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`situated close to a detection area and a transparent keyboard incorporating the
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`device. The device comprises a first set of detection zones connected so as to
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`form lines which extend parallel to each other and to a detection area, a second
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`set of detection zones connected to each other so as to form columns which extend
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`perpendicularly to the lines, a scanning device which applies an electric signal to
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`the lines and columns, and means for determining the position of an object by
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`means of the scanning device.
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`[0011]
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`US Patent No. 6,498,590 discloses a multi-user touch system including
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`a surface on which antennas are formed. A transmitter transmits uniquely
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`3
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`identifiable signals to each antenna. Receivers are capacitively coupled to
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`different users, and the receivers are configured to receive the uniquely
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`identifiable signals. A processor then associates a specific antenna with a
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`particular user when multiple users simultaneously touch any of the antennas.
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`[0012]
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`US Patent No. 5,847,690 discloses a unitary display and sensing
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`device, which integrates liquid crystal display module elements of a liquid crystal
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`display module for detecting input on a flat panel display screen.
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`[0013]
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`All
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`the prior art references described above provide teaching of
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`detection touch of a user on a touch panel and all are comprised of structures of
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`touch sensing elements. However, these known devices are all of a construction
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`including two capacitive sensing layers spaced from each other with an insulation
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`material to effect capacitive effect between the layers. This makes the structure
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`of the panel very thick and is thus against the trend of miniaturization. Further,
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`the conventional capacitive touch panel comprises a substrate on both surfaces of
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`which two capacitive sensing layers are formed respectively.
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`In this respect,
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`through holes must be formed on the substrate to serve as vias and circuit layering
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`must be adopted to properly connect conductor elements of the sensing layers.
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`This complicates the manufacturing of the capacitive touch panel.
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`[0014]
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`Thus, it is desired to have a capacitive touch panel that overcomes the
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`above drawbacks of the conventional capacitive touch panels.
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`SUMMARY OF THE INVENTION
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`[0015]
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`Thus, an objective of the present invention is to provide a capacitive
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`touch panel comprising a thin conductor pattern structure, which consists of a
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`plurality of first—axis conductor assemblies and a plurality of second-axis
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`conductor assemblies, each conductor assembly being comprised of a plurality of
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`conductor cells interconnected by conduction lines, wherein the conduction lines
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`extending in different axes are isolated from each other by an insulation layer.
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`[0016]
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`Another objective of the present invention is to provide a capacitive
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`touch panel comprising a conductor pattern structure consisting of first—axis
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`conductor assemblies and second—axis conductor assemblies, both comprising
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`conductors cells connected by conduction lines,
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`the conductor cells and the
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`conduction lines being formed on the same surface of a substrate by known
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`processes for manufacturing general transparent conductor layer, whereby when a
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`user touches the surface of the touch panel, the first—axis conductor assemblies and
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`the second-axis conductor assemblies that are touched by the user induce
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`capacitive effect between adjacent conductor cells thereof.
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`[0017]
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`According to the present invention, a solution to overcome the above
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`discussed drawbacks of the conventional capacitive touch panels resides in that a
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`conductor pattern structure is formed on a surface of a substrate, comprising a
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`plurality of first—axis conductor assemblies and a plurality of second—axis
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`conductor assemblies that are extended in directions that are substantially
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`perpendicular to each other and that comprise a plurality of equally—spaced
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`first-axis conductor cells and equally-spaced second—axis conductor
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`cells
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`respectively, and first-axis conduction lines and second-axis conduction lines
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`interconnecting the first—axis conductors along the first axis and the second-axis
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`conductors along the second axis reSpectively, wherein an insulation layer is
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`provided to cover a surface of each first—axis conduction line to isolate the
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`first-axis conduction line from the associated second-axis conduction line.
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`[0018]
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`According to the present invention, a plurality of first-axis conductor
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`assemblies and a plurality of second