WO2016042620A1 - 位置検出装置 - Google Patents
位置検出装置 Download PDFInfo
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- WO2016042620A1 WO2016042620A1 PCT/JP2014/074558 JP2014074558W WO2016042620A1 WO 2016042620 A1 WO2016042620 A1 WO 2016042620A1 JP 2014074558 W JP2014074558 W JP 2014074558W WO 2016042620 A1 WO2016042620 A1 WO 2016042620A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Definitions
- the present invention relates to a transparent position detection device that is disposed on the front surface of a display device and detects a position touched by a finger.
- touch panels are often used as input devices for information communication equipment.
- a touch panel is arrange
- the information communication device can be operated based on the correspondence between the content displayed on the display device and the position where the user touches the finger.
- Touch panel position detection methods include a resistance film method, a capacitance method, a retroreflection method, an ultrasonic method, and an electromagnetic induction method.
- the capacitance method is further classified into a surface-type capacitance method and a projection-type capacitance method.
- the projection-type electrostatic capacity method has been particularly popular because it has a very light touch and can be multi-touched.
- Projection type capacitive method detects a touch position by forming a plurality of capacitance sensors on the entire touch panel. Therefore, the following problems occur when the touch panel is enlarged.
- the applied voltage waveform becomes dull as the time constant given by the product of the wiring resistance and the capacitance of the capacitance sensor increases.
- the metal wiring becomes an ultra-thick film, problems such as warping of the substrate, a long process time, and a decrease in processing accuracy occur in production.
- Patent Document 1 For such a problem, it has been proposed to use signals whose phases are shifted by 180 degrees as drive signals for the touch panel (Patent Document 1).
- an object of the present invention is to provide a position detection device capable of sensing with high resolution and high accuracy.
- the position detection device includes a signal electrode layer in which a plurality of long signal electrodes having a total length longer than the width are arranged at predetermined intervals in a direction intersecting the longitudinal direction, and a length longer than the width.
- a plurality of elongate detection electrodes having a long length and arranged so as to intersect each of the signal electrodes at predetermined intervals in a direction intersecting the longitudinal direction, and the signal electrode layer and the detection electrode layer An insulating layer disposed between the signal electrode layer and the detection electrode layer, and a detection unit that detects a change in capacitance between the signal electrode and the detection electrode.
- the signal electrode layer and the detection electrode layer each include two element electrode layers. It is characterized by being laminated.
- the position can be detected with high resolution and high accuracy.
- FIG. 1 is an exploded perspective view showing a schematic configuration of a main part of the touch panel 1.
- the touch panel 1 includes a first X electrode layer 11, a second X electrode layer 12, an insulating layer 13, a first Y electrode layer 14, and a second Y electrode layer 15.
- Each of the first X electrode layer 11, the second X electrode layer 12, the insulating layer 13, the first Y electrode layer 14, and the second Y electrode layer 15 has a rectangular plate shape.
- the vertical and horizontal dimensions are substantially the same. The vertical and horizontal dimensions are determined according to the display device to which the touch panel 1 is attached.
- FIG. 2 is an explanatory diagram showing the hierarchical structure of the touch panel 1.
- the touch panel 1 includes a first X electrode layer 11 (element electrode layer), a second X electrode layer 12 (element electrode layer), an insulating layer 13, a first Y electrode layer 14 (element electrode layer), and a second Y electrode layer 15 (element electrode).
- a transparent film 16 and a cover glass 17 are further included.
- a second X electrode layer 12 is overlaid on the first X electrode layer 11, and further, an insulating layer 13, a first Y electrode layer 14, and a second Y electrode layer 15 are sequentially overlaid. Glass 17 (position input panel) is stacked and fixed.
- the first X electrode layer 11 includes a base material 11a, a first layer X electrode 11b, and a transparent film 11c.
- the base material 11a is formed of an insulator having high light transmittance, for example, PET (Polyethylene Terephthalate) resin.
- the first layer X electrode 11b is formed of a transparent conductive material, for example, ITO (Indium Tin Oxide), IZO (Indium Zinc Oxide).
- the transparent film 11c is a highly light transmissive film such as an OCA (Optical Clear Adhesive) film.
- the first layer X electrode 11b is formed on the surface of the transparent film 11c.
- the transparent film 11c on which the first layer X electrode 11b is formed is attached to the substrate 11a.
- the second X electrode layer 12 includes an intermediate insulating layer 12a and a second layer X electrode 12b.
- the intermediate insulating layer 12a is a highly light-transmitting dielectric or insulating film.
- the shape of the second layer X electrode 12b is the same as that of the first layer X electrode 11b.
- the second layer X electrode 12b is formed on the intermediate insulating layer 12a. In the following description, when “X electrode” is simply described, it indicates one or both of the first layer X electrode 11b and the second layer X electrode 12b.
- the insulating layer 13 is a highly light transmissive dielectric or insulating thin film.
- the first Y electrode layer 14 includes an intermediate insulating layer 14a and a first layer Y electrode 14b.
- the first layer Y electrode 14b is formed of a transparent conductive material such as ITO or IZO.
- the first layer Y electrode 14 b is stacked on the insulating layer 13.
- the intermediate insulating layer 14a is stacked on the first layer Y electrode 14b.
- the second Y electrode layer 15 includes a base material 15a and a second layer Y electrode 15b.
- the base material 15a is formed of a highly light-transmissive insulator such as PET resin.
- the second layer Y electrode 15b is stacked on the intermediate insulating layer 14a.
- the base material 15a is fixed to the second layer Y electrode 15b with an adhesive.
- the adhesive is mainly composed of, for example, acrylic or silicone, and uses an adhesive that maintains high light transmittance even after bonding. In the following description, when “Y electrode” is simply described, it indicates either one or both of the first layer Y electrode 14b and the second layer Y electrode 15b.
- a metal material that does not impair translucency other than the transparent electrode can be used.
- a transparent film 16 or a scattering film and a cover glass 17 are further laminated on the second Y electrode layer 15.
- FIG. 3 is an explanatory diagram showing patterns of X electrodes and Y electrodes.
- FIG. 3 shows a case where the main part of the touch panel 1 is viewed in plan.
- the 1st layer X electrode 11b which comprises X electrode is what is called a mesh type
- the first layer X electrode 11b includes a plurality of vertical electrodes (four in FIG. 3) parallel to each other and a plurality (four in FIG. 3) horizontal electrodes intersecting the vertical electrodes and parallel to each other in a lattice pattern. A plurality of arranged grid electrodes are included.
- the first layer X electrode 11b is a series of a plurality of lattice electrodes arranged at equal intervals along a predetermined direction so that the corner portions of the lattice are adjacent to each other, and the adjacent corner portions are connected. A plurality of series arranged at equal intervals in a direction intersecting with the direction in which the grid electrodes are arranged is collectively referred to as a first layer X electrode 11b.
- the second layer X electrode 12b constituting the X electrode also has substantially the same pattern as the first layer X electrode 11b.
- the first layer X electrode 11b and the second layer X electrode 12b are aligned and stacked so as to overlap in plan view.
- the parallel arrangement direction of the lattice electrodes of the first layer X electrode 11b and the second layer X electrode 12b is referred to as the X direction.
- the number of vertical electrodes and horizontal electrodes is four, but the present invention is not limited to this.
- the Y electrode has the same configuration as the X electrode. That is, the first layer Y electrode 14b and the second layer Y electrode 15b also have substantially the same pattern, and are aligned and stacked so as to overlap in plan view.
- the parallel arrangement direction of the grid electrodes constituting the Y electrode is a direction crossing the X direction. This direction is called the Y direction. Further, the direction in which a plurality of lines are arranged is the X direction. As shown in FIG. 3, the grid electrode constituting the X electrode and the grid electrode constituting the Y electrode are arranged so as not to overlap each other in plan view, and the X electrode and the Y electrode are in a checkered arrangement.
- FIG. 4 is a circuit diagram for illustrating the principle of position detection of the touch panel 1.
- FIG. 4 shows a case where the user's finger touches the portion P in FIG.
- a signal circuit 18 is connected to the X electrode.
- a current detection circuit 19 is connected to the Y electrode.
- FIG. 4 shows a case where a signal is applied to the X electrode and the signal is observed by the Y electrode.
- a position is detected by sequentially applying signals to a plurality of series of X electrodes and sequentially observing output signals of the plurality of series of Y electrodes.
- a signal is applied to a first layer and a second layer of a series of X electrodes.
- the signal circuit 18 includes a signal generator 18a, a buffer 18b, and an inverter 18c.
- the signal generator 18a generates a drive signal.
- the drive signal generated by the signal generator 18a is applied to the first layer X electrode 11b via the inverter 18c.
- the drive signal is transferred to the second layer X electrode 12b through the buffer 18b. Since the drive signal that has passed through the inverter 18c and the second layer X electrode 12b through the buffer 18b is applied to the first layer X electrode 11b, signals having phases different from each other by 180 degrees are applied.
- the first layer X electrode 11b and the second layer X electrode 12b constitute a balanced wiring.
- the Y electrode a series of first layer and second layer output signals are observed.
- the output signal is observed by the current detection circuit 19 (detection unit) as in the prior art.
- the current detection circuit 19 includes a differential amplifier 19a.
- the differential amplifier 19a inputs the outputs of the first and second layers of the Y electrode. When the output value of the differential amplifier 19a exceeds a predetermined threshold, it is determined that the user has touched the touch panel.
- the touch panel 1 of the first embodiment has the following effects. Since each of the X electrode and the Y electrode has two layers and has a balanced wiring structure, it is possible to transmit a signal with less voltage waveform dullness due to noise. Thereby, since the voltage waveform is less dull, the voltage is less lowered, and the efficiency of electrostatic coupling between the X electrode and the Y electrode can be increased. Moreover, since the time constant of each electrode becomes small, it becomes possible to reduce the film thickness of the electrode. Furthermore, the sensitivity of the touch panel can be increased by increasing the efficiency of electrostatic coupling.
- each of the X electrode and the Y electrode is doubled, and the electrostatic coupling portion generated between the X electrode and the Y electrode when touched by the user is compared with the touch panel according to the prior art. Increases 4 times. Thereby, the sensor sensitivity can be further increased.
- the electrode which applies a signal is an X electrode and a Y electrode which observes a signal, it is not limited thereto.
- the electrode to which the signal is applied may be a Y electrode, and the electrode for observing the signal may be an X electrode.
- the electrode was made into the mesh type it is not restricted to it. A comb electrode may be used.
- FIG. 5 is an explanatory view showing the operation principle of the touch panel 1.
- an electrode for applying a signal is referred to as a signal electrode
- an electrode for observing an output signal is referred to as a detection electrode.
- the X electrode is used as a signal electrode
- the Y electrode is used as a detection electrode.
- an operation is also performed in which the Y electrode is used as a signal electrode and the X electrode is used as a detection electrode.
- a switching circuit 20 is provided in the modification. Since the configuration other than the provision of the switching circuit 20 is the same as that of the first embodiment, the description thereof is omitted.
- the switching circuit 20 by providing the switching circuit 20, it is possible to switch between the operation using the X electrode as the signal electrode and the Y electrode as the detection electrode and the operation using the Y electrode as the signal electrode and the X electrode as the detection electrode. It becomes.
- the operation is switched as follows. Of the signal electrodes, the signal application sequence is fixed, and the output signals are detected in order for all the detection electrode sequences. The same operation is performed for all the sequences by sequentially changing the sequence to which the signal is applied. Thereafter, the signal electrode and the detection electrode are switched and the same operation is performed. When the process is completed, the signal electrode and the detection electrode are switched again, and the same operation is repeated.
- the principle of the position detection operation is the same as that in the first embodiment, and thus the description thereof is omitted.
- the modified touch panel 1 has the following effects in addition to the first embodiment. By temporally switching between the signal electrode and the detection electrode, it is possible to detect the position in the XY directions and detect the temporal position change.
- Embodiment 2 The second embodiment is characterized by the end of the electrode.
- the end portions of the X electrode and the Y electrode are formed to have a step structure.
- FIG. 6 is an explanatory view schematically showing the structure of the end portion of the electrode.
- FIG. 6 shows an example of the X electrode.
- FIG. 6 shows end portions of the substrate 11a, the first layer X electrode 11b, the intermediate insulating layer 12a, and the second layer X electrode 12b.
- the ends of the first layer X electrode 11b, the intermediate insulating layer 12a, and the second layer X electrode 12b have a step structure along the signal transmission direction.
- the base material 11a is the longest along the transmission direction
- the first layer X electrode 11b and the intermediate insulating layer 12a are shortened in this order
- the second layer X electrode 12b is the shortest.
- the end of the first layer X electrode 11b is located at a distance d1 from the end of the substrate 11a.
- the end of the intermediate insulating layer 12a is located at a distance d2 from the end of the first layer X electrode 11b.
- the end portion of the second layer X electrode 12b is located at a distance d3 from the end portion of the intermediate insulating layer 12a.
- the touch panel 1 according to the second embodiment has the following effects in addition to the effects exhibited by the touch panel 1 according to the first embodiment.
- By adopting the step structure it is possible to reduce the electrode extraction area and the electrode routing compared to when the end portions are aligned.
- Embodiment 3 is characterized by the structure of the electrode.
- the first layer X electrode 11b and the second layer X electrode 12b constituting the X electrode, and the first layer Y electrode 14b and the second layer Y electrode 15b constituting the Y electrode are made of a plurality of materials. It is the structure which laminated
- FIG. 7 is an explanatory view showing a laminated structure of electrodes.
- FIG. 7 shows a configuration example of the first layer X electrode 11b.
- the first layer X electrode 11b is formed by laminating three materials of a first material 11b1, a second material 11b2, and a third material 11b3 each having a plate shape.
- the first material 11b1 is titanium (Ti)
- the second material 11b2 is aluminum (Al)
- the third material 11b3 is tantalum (Ta).
- Other materials used include nickel (Ni) and copper (Cu).
- tantalum and aluminum are laminated.
- titanium and tantalum have low light reflectivity and excellent adhesion to a substrate and an insulating layer, and thus have excellent characteristics as materials used for electrodes.
- the following effects are achieved. Since the first layer X electrode 11b and the like have a laminated structure of a plurality of materials that do not impair the translucency, an electrode that does not impair the translucency with low resistance can be configured.
Abstract
Description
図1はタッチパネル1の主要部の概略構成を示す分解斜視図である。タッチパネル1は、第1X電極層11、第2X電極層12、絶縁層13、第1Y電極層14、及び第2Y電極層15を含む。第1X電極層11、第2X電極層12、絶縁層13、第1Y電極層14、及び第2Y電極層15それぞれは、矩形板状をなしている。それぞれの縦横寸法は略同一である。縦横寸法は、タッチパネル1が取り付けられる表示装置に応じて、定められる。
図5はタッチパネル1の動作原理を示す説明図である。以下の説明では、信号を印加する電極を信号電極、出力信号を観測する電極を検出電極という。実施の形態1においては、X電極を信号電極とし、Y電極を検出電極としたが、変形例では、Y電極を信号電極とし、X電極を検出電極とする動作も行う。図5に示すように、変形例においては切替回路20を設けてある。切替回路20を設けた点以外の構成は、実施の形態1と同様の構成であるから、説明を省略する。
実施の形態2は電極の端部に特徴を有する。実施の形態2において、X電極及びY電極の端部は、段差構造を有するように形成する。図6は電極の端部の構造を模式的に示した説明図である。図6はX電極の一例を示している。図6は基材11a、第1層X電極11b、中間絶縁層12a、第2層X電極12bの端部を示している。第1層X電極11b、中間絶縁層12a及び第2層X電極12bの端部は、信号の伝送方向に沿って段差構造としてある。図6では、基材11aが上記伝送方向に沿って最も長く、第1層X電極11b、中間絶縁層12aの順に短くなり、第2層X電極12bが最も短くなっている。
実施の形態3は電極の構造に特徴を有する。実施の形態1又は2において、X電極を構成する第1層X電極11b及び第2層X電極12b、並びにY電極を構成する第1層Y電極14b及び第2層Y電極15bは、複数材料を積層した構造としてある。その他の構成については、実施の形態1又は2と同様であるから、説明を省略する。
今回開示された実施の形態はすべての点で例示であって、制限的なものでは無いと考えられるべきである。本発明の範囲は、上記した意味では無く、請求の範囲によって示され、請求の範囲と均等の意味及び範囲内でのすべての変更が含まれることが意図される。
11 第1X電極層
11a 基材
11b 第1層X電極
11c 透明フィルム
12 第2X電極層
12a 中間絶縁層
12b 第2層X電極
13 絶縁層
14 第1Y電極層
14a 中間絶縁層
14b 第1層Y電極
15 第2Y電極層
15a 基材
15b 第2層Y電極
16 透明フィルム
17 カバーガラス
Claims (5)
- 幅より全長の長さが長い長尺状の信号電極を複数、長手方向と交差する方向に所定間隔で配してなる信号電極層と、
幅より全長の長さが長い長尺状の検出電極を複数、長手方向と交差する方向に所定間隔で、前記信号電極のそれぞれと交差するように配してなる検出電極層と、
前記信号電極層及び検出電極層の間に配されている絶縁層と、
前記信号電極層又は検出電極層に積層してなる位置入力パネルと、
前記信号電極及び検出電極間の静電容量の変化を検出する検出部と
を備え、
該検出部が検出した静電容量の変化により、指示体による前記位置入力パネル上の指示位置を検出する位置検出装置において、
前記信号電極層及び検出電極層は、それぞれ2つの要素電極層を積層してなる
ことを特徴とする位置検出装置。 - 前記検出部は、
前記信号電極に信号を印加する信号回路と、
前記検出電極に出力された信号を検出する検出回路とを有し、
前記信号回路は、前記信号電極層を構成するそれぞれの要素電極層の信号電極に位相が異なる信号を印加する
ことを特徴とする請求項1に記載の位置検出装置。 - 前記信号電極層を構成する要素電極層は、共に略同一形状の信号電極を複数含み、
2つの要素電極層は、絶縁層を挟んで積層してあり、
前記検出電極層を構成する要素電極層は、共に略同一形状の検出電極を複数含み、
2つの要素電極層は、絶縁層を挟んで積層してある
ことを特徴とする請求項1又は2に記載の位置検出装置。 - 前記信号電極層又は検出電極層を構成する要素電極層は、要素電極層を構成する信号電極又は検出電極の長手方向の一端部に段差を有する
ことを特徴とする請求項1から3のいずれか1項に記載の位置検出装置。 - 前記複数の信号電極及び検出電極のそれぞれは、異なる複数の材料を積層してなる
ことを特徴とする請求項1から4のいずれか1項に記載の位置検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/312,563 US9703442B2 (en) | 2014-09-17 | 2014-09-17 | Position detection device |
CN201480079112.9A CN106462301B (zh) | 2014-09-17 | 2014-09-17 | 位置检测装置 |
JP2016548475A JP6190971B2 (ja) | 2014-09-17 | 2014-09-17 | 位置検出装置 |
PCT/JP2014/074558 WO2016042620A1 (ja) | 2014-09-17 | 2014-09-17 | 位置検出装置 |
Applications Claiming Priority (1)
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PCT/JP2014/074558 WO2016042620A1 (ja) | 2014-09-17 | 2014-09-17 | 位置検出装置 |
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WO2016042620A1 true WO2016042620A1 (ja) | 2016-03-24 |
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PCT/JP2014/074558 WO2016042620A1 (ja) | 2014-09-17 | 2014-09-17 | 位置検出装置 |
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US (1) | US9703442B2 (ja) |
JP (1) | JP6190971B2 (ja) |
CN (1) | CN106462301B (ja) |
WO (1) | WO2016042620A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006268085A (ja) * | 2005-03-22 | 2006-10-05 | Nippon Sheet Glass Co Ltd | タッチパネル |
JP3185747U (ja) * | 2012-03-05 | 2013-09-05 | アップル インコーポレイテッド | 一部レーザーアブレーションによるセンサ加工装置、及びタッチ感受性デバイス |
WO2014080924A1 (ja) * | 2012-11-26 | 2014-05-30 | 学校法人福岡大学 | 近接・接触センサ |
Family Cites Families (3)
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JP4998919B2 (ja) * | 2007-06-14 | 2012-08-15 | ソニーモバイルディスプレイ株式会社 | 静電容量型入力装置 |
JP5984259B2 (ja) * | 2012-09-20 | 2016-09-06 | 株式会社ワコム | 位置検出装置 |
JPWO2014109264A1 (ja) * | 2013-01-09 | 2017-01-19 | コニカミノルタ株式会社 | タッチパネル用透明電極、タッチパネル、表示装置、およびタッチパネル用透明電極の製造方法 |
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2014
- 2014-09-17 CN CN201480079112.9A patent/CN106462301B/zh not_active Expired - Fee Related
- 2014-09-17 US US15/312,563 patent/US9703442B2/en active Active
- 2014-09-17 JP JP2016548475A patent/JP6190971B2/ja not_active Expired - Fee Related
- 2014-09-17 WO PCT/JP2014/074558 patent/WO2016042620A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006268085A (ja) * | 2005-03-22 | 2006-10-05 | Nippon Sheet Glass Co Ltd | タッチパネル |
JP3185747U (ja) * | 2012-03-05 | 2013-09-05 | アップル インコーポレイテッド | 一部レーザーアブレーションによるセンサ加工装置、及びタッチ感受性デバイス |
WO2014080924A1 (ja) * | 2012-11-26 | 2014-05-30 | 学校法人福岡大学 | 近接・接触センサ |
Also Published As
Publication number | Publication date |
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JPWO2016042620A1 (ja) | 2017-04-27 |
US9703442B2 (en) | 2017-07-11 |
US20170115776A1 (en) | 2017-04-27 |
CN106462301B (zh) | 2018-07-27 |
JP6190971B2 (ja) | 2017-08-30 |
CN106462301A (zh) | 2017-02-22 |
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