WO2016208660A1 - タッチパネル、及び表示装置 - Google Patents
タッチパネル、及び表示装置 Download PDFInfo
- Publication number
- WO2016208660A1 WO2016208660A1 PCT/JP2016/068614 JP2016068614W WO2016208660A1 WO 2016208660 A1 WO2016208660 A1 WO 2016208660A1 JP 2016068614 W JP2016068614 W JP 2016068614W WO 2016208660 A1 WO2016208660 A1 WO 2016208660A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- touch
- dummy
- touch drive
- slit
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- 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
-
- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Definitions
- the present invention relates to a touch panel and a display device.
- Patent Document 1 discloses a display device with a touch sensor including a touch drive electrode and a touch detection electrode.
- the touch drive electrode extends in a direction parallel to the direction in which the scan signal for driving the pixel electrode extends, and the touch detection electrode is perpendicular to the direction in which the scan signal extends. Extending in any direction.
- dummy electrodes are provided between adjacent touch detection electrodes in order to make the touch detection electrodes inconspicuous from human eyes.
- the signal supplied to the touch drive electrode may interfere with each other through the dummy electrode. It is divided so as not to straddle the electrodes.
- the dummy electrode is divided by a single line parallel to the direction in which the touch drive electrode extends, sunlight or the like may occur when the display device is turned off or when a dark image such as black display is displayed. There is a possibility that the dividing line of the dummy electrode can be visually recognized under a light source close to the parallel light.
- An object of the present invention is to provide a touch panel in which the dividing line of the dummy electrode is not easily recognized by the eyes and a display device including the touch panel in which the dividing line of the dummy electrode is not easily recognized by the eyes.
- a touch panel includes an insulating substrate and a plurality of touch drive electrodes provided in the insulating substrate in a first direction, each extending in a second direction intersecting the first direction.
- a plurality of touch detection electrodes arranged in the second direction on the insulating substrate, and each of the touch detection electrodes extending in the first direction and the touch detection electrode adjacent to each other.
- a dummy electrode provided with a slit extending in one direction, and the dummy electrode is divided into a plurality of electrode portions arranged in the second direction by the slit, with the slit interposed therebetween. Two adjacent electrode portions are divided at different positions in the first direction.
- the electrode portions of the dummy electrodes adjacent to each other across the slit are divided at different positions in the first direction. Therefore, when the display device is turned off or dark images such as black display are displayed. At the time of display, it becomes difficult for the dividing line to be recognized by the eyes.
- FIG. 1 is a diagram illustrating a cross-sectional configuration of a display device including a touch panel according to an embodiment.
- FIG. 2 is a plan view of a display device including a touch panel according to one embodiment.
- FIG. 3 is a schematic cross-sectional view of a liquid crystal panel with a touch sensor function.
- FIG. 4 is an enlarged plan view showing a planar configuration of the display unit of the array substrate constituting the liquid crystal panel with a touch sensor function.
- FIG. 5 is an enlarged plan view showing a planar configuration of the display portion of the CF substrate constituting the liquid crystal panel with a touch sensor function.
- FIG. 6 is a plan view showing an arrangement configuration of touch drive electrodes and touch detection electrodes.
- FIG. 1 is a diagram illustrating a cross-sectional configuration of a display device including a touch panel according to an embodiment.
- FIG. 2 is a plan view of a display device including a touch panel according to one embodiment.
- FIG. 3 is a schematic cross-
- FIG. 7 is a diagram for explaining the shape of the slit provided in the dummy electrode.
- FIG. 8 is a reference diagram showing a dividing line of a conventional dummy electrode.
- FIG. 9 is a diagram showing that the edge portion of the conductive film constituting the dummy electrode has an inclined tapered shape.
- FIG. 10 shows a conventional display device with a touch sensor in which a dummy electrode is divided by a single line parallel to the direction in which the touch drive electrode extends, as viewed from the lower end of the display device. It is an image figure of the edge pattern of a dummy electrode. It is a figure which shows that the line which extended the 1st direction linear part of the slit is a dividing line of a dummy electrode.
- FIG. 10 shows a conventional display device with a touch sensor in which a dummy electrode is divided by a single line parallel to the direction in which the touch drive electrode extends, as viewed from the lower end of the display device. It is an image figure
- FIG. 12 is a schematic diagram illustrating one example of division of the dummy electrode in the display device including the touch panel according to one embodiment.
- FIG. 13 is a schematic diagram illustrating another example of dividing the dummy electrode in the display device including the touch panel according to the embodiment.
- FIG. 14 is a schematic diagram illustrating still another example of dividing the dummy electrode in the display device including the touch panel according to the embodiment.
- FIG. 15 is a schematic diagram illustrating still another example of dividing the dummy electrode in the display device including the touch panel according to the embodiment.
- FIG. 16 is an equivalent circuit diagram in the case where the dummy electrode extends over a plurality of touch drive electrodes.
- FIG. 17A shows the reference configuration, the protrusion rate in the configurations shown in FIGS.
- FIG. 17B is a graph showing a relationship between the protrusion rate, an actually measured value of the ratio of the output signal Vout to the output signal of the reference configuration, and a predicted value of the ratio of the output signal Vout to the output signal of the reference configuration.
- FIG. 18A is data showing the relationship between the protrusion rate of the dummy electrode and the detection error (mm) of the touch position.
- FIG. 18B is a graph showing the relationship between the protrusion rate of the dummy electrode and the detection error (mm) of the touch position.
- FIG. 19A is a diagram showing how the display screen appears when the dummy electrode is divided by the dividing method shown in FIG.
- FIG. 19B is a diagram showing how the display screen appears when the dummy electrode is divided by the dividing method shown in FIG.
- FIG. 19C is a diagram showing how the display screen appears when the dummy electrode is divided by the dividing method shown in FIG.
- FIG. 19D is a diagram showing how the display screen appears when the dummy electrode is divided by the dividing method shown in FIG. 15.
- FIG. 19E is a diagram showing a conventional display screen in which the dummy electrode is divided by a single line parallel to the touch drive electrode.
- a touch panel includes an insulating substrate and a plurality of touch drive electrodes provided in the insulating substrate in a first direction, each extending in a second direction intersecting the first direction.
- a plurality of touch detection electrodes arranged in the second direction on the insulating substrate, and each of the touch detection electrodes extending in the first direction and the touch detection electrode adjacent to each other.
- a dummy electrode provided with a slit extending in one direction, and the dummy electrode is divided into a plurality of electrode portions arranged in the second direction by the slit, with the slit interposed therebetween. Two adjacent electrode portions are divided at different positions in the first direction (first configuration).
- the electrode portions of the dummy electrodes adjacent to each other across the slit are divided at different positions in the first direction. Therefore, the dividing line dividing the dummy electrode is not a single line. Accordingly, when the display device is turned off or when a dark image such as a black display is displayed, the dividing line is not easily recognized by the eyes.
- the electrode section may be divided into a length shorter than the width of the touch drive electrode in the first direction (second configuration).
- the number of dividing lines is increased and dispersed compared to the configuration in which the electrode portion of the dummy electrode has the same length as the width in the first direction of the touch drive electrode. Becomes difficult to recognize with the eyes.
- the protrusion rate as a ratio can be configured to be 10% or less (third configuration).
- the output signal of the touch detection electrode does not decrease as compared with the configuration in which the dummy electrode does not protrude from the adjacent touch drive electrode when viewed from the direction perpendicular to the insulating substrate, and touch detection is performed. Since the error does not decrease, the configuration is such that the dividing line is not easily recognized by the eyes without reducing the detection accuracy of the touch position.
- each of the divided electrode portions has a length that is 1 ⁇ 4 of the width of the touch drive electrode in the first direction, and is adjacent to the slit.
- the two electrode portions to be arranged are shifted from each other by a length that is 1 ⁇ 4 of the length of the electrode portions in the first direction (fourth configuration).
- the protrusion rate is 10% or less, it is possible to make the configuration in which the dividing line is not easily recognized by the eyes without reducing the detection accuracy of the touch position, and there is no dividing line.
- the touch detection electrode is also difficult to be recognized by the eyes.
- the slit extends in the first direction as a whole while being repeatedly bent in a zigzag shape, and the electrode portion includes a first zigzag slit.
- a line parallel to any one of the side and the second side can be divided as a dividing line (fifth configuration).
- the dividing line of the electrode portion of the dummy electrode can be made more difficult to recognize.
- the end portion of the dummy electrode may have a tapered shape (sixth configuration).
- the dividing line is easily noticeable.
- the dividing line is difficult to be visually recognized when the display device is turned off or when a dark image such as a black display is displayed. .
- the display device having the seventh configuration includes a touch panel having any one of the first to sixth configurations. According to the seventh configuration, when the power is turned off or when a dark image such as a black display is displayed, the dividing lines of the dummy electrodes are not easily recognized by the eyes, so that, for example, the appearance of the display device in the power-off state is improved. be able to.
- the display device is a liquid crystal display in which a liquid crystal layer is sandwiched between the insulating substrate and the counter substrate, and the touch drive electrode is interposed between the insulating substrate and the counter substrate.
- the touch detection electrode may be disposed on a surface opposite to the surface on which the touch drive electrode is disposed, on both surfaces of the insulating substrate (eighth configuration).
- FIG. 1 is a diagram illustrating a cross-sectional configuration of a display device 10 including a touch panel according to an embodiment.
- FIG. 2 is a plan view of the display device 10 including the touch panel according to the embodiment.
- the display device 10 includes a liquid crystal panel 11 with a touch sensor function, a backlight device (illumination device) 13, a bezel 14, a housing 15, and a cover 16.
- the liquid crystal panel 11 with a touch sensor function is an integrated touch panel and liquid crystal panel.
- the side on which the cover 16 is provided is the front side (image viewing side), and the side on which the housing 15 is provided is the back side.
- the liquid crystal panel 11 with a touch sensor function has a function of displaying an image and a touch sensor function of detecting a touch position.
- the liquid crystal panel 11 with a touch sensor function is provided between a pair of insulating substrates and a liquid crystal panel (display panel) including a liquid crystal layer as a display functional layer, and the pair of substrates of the liquid crystal panel.
- the touch drive electrode and the touch detection electrode provided on the front side of the substrate on the front side of the liquid crystal panel are provided.
- the backlight device 13 is a light source that irradiates light toward the liquid crystal panel 11 with a touch sensor function.
- the cover 16 is disposed outside the liquid crystal panel 11 with a touch sensor function in order to protect the liquid crystal panel 11 with a touch sensor function.
- the cover 16 is made of a material excellent in impact resistance such as tempered glass.
- the liquid crystal panel 11 with a touch sensor function and the cover 16 are fixed and integrated with each other by interposing a substantially transparent adhesive (not shown) therebetween.
- the bezel 14 holds the cover 16 and the liquid crystal panel 11 with a touch sensor function together with the backlight device 13.
- the housing 15 is attached with the bezel 14 and accommodates the backlight device 13.
- FIG. 3 is a schematic sectional view of the liquid crystal panel 11 with a touch sensor function.
- FIG. 4 is an enlarged plan view showing a planar configuration of the display unit of the array substrate constituting the liquid crystal panel 11 with a touch sensor function.
- FIG. 5 is an enlarged plan view showing a planar configuration of the display unit of the CF substrate constituting the liquid crystal panel 11 with a touch sensor function.
- the liquid crystal panel 11 with a touch sensor function includes a pair of transparent (excellent translucent) substrates 11a and 11b, and a liquid crystal layer 11c interposed between the substrates 11a and 11b.
- the liquid crystal layer 11c includes liquid crystal molecules that are substances whose optical characteristics change with application of an electric field. Both substrates 11a and 11b are bonded together by a sealing agent (not shown) in a state where a cell gap corresponding to the thickness of the liquid crystal layer 11c is maintained.
- Both the substrates 11a and 11b each have a substantially transparent glass substrate, and a plurality of films are laminated on each glass substrate by a known photolithography method or the like.
- the front side (front side) of both the substrates 11a and 11b is a CF substrate (counter substrate) 11a, and the back side (back side) is an array substrate (active matrix substrate) 11b.
- alignment films 11d and 11e for aligning liquid crystal molecules contained in the liquid crystal layer 11c are formed on the inner surfaces of both the substrates 11a and 11b, respectively. Further, polarizing plates 11f and 11g are attached to the outer surface sides of both the substrates 11a and 11b, respectively.
- FIGS. On the inner surface side of the array substrate 11b (the liquid crystal layer 11c side and the surface facing the CF substrate 11a), as shown in FIGS. A plurality are provided in a matrix. A grid-like gate wiring 19 and source wiring 20 are provided so as to surround the TFT 17 and the pixel electrode 18. In other words, the TFT 17 and the pixel electrode 18 are arranged at the intersection of the gate wiring 19 and the source wiring 20 that form a lattice shape.
- the gate wiring 19 is connected to the gate electrode of the TFT 17, and the source wiring 20 is connected to the source electrode of the TFT 17.
- the pixel electrode 18 is connected to the drain electrode of the TFT 17.
- the pixel electrode 18 has a vertically long rectangular shape (rectangular shape) in a plan view, and translucency using a material having excellent translucency and conductivity such as ITO (Indium Tin Oxide) or ZnO (Zinc Oxide). It consists of a conductive film.
- each colored portion such as R (red), G (green), B (blue) and the like is in plan view with each pixel electrode 18 on the array substrate 11b side.
- a color filter 11h arranged in a matrix is provided so as to overlap with each other.
- a substantially lattice-shaped light shielding layer (black matrix) 11i for preventing color mixture is formed between each colored portion constituting the color filter 11h.
- the light shielding layer 11i is arranged so as to overlap with the gate wiring 19 and the source wiring 20 described above in a plan view.
- a counter electrode 11j facing the pixel electrode 18 on the array substrate 11b side is provided on the entire surface of the color filter 11h and the light shielding layer 11i.
- One display pixel which is a display unit is configured by the set.
- the display pixel includes a red sub-pixel having an R colored portion, a green sub-pixel having a G colored portion, and a blue sub-pixel having a B colored portion.
- These sub-pixels of each color constitute a pixel group by being repeatedly arranged along the row direction (X-axis direction) on the plate surface of the liquid crystal panel 11, and this pixel group is arranged in the column direction (Y-axis direction).
- Y-axis direction Y-axis direction
- the sub-pixels have a so-called stripe arrangement.
- the liquid crystal panel 11 with a touch sensor function includes a touch drive electrode 61 and a touch detection electrode 62 that constitute a touch sensor.
- the touch drive electrode 61 is provided on the back side (the liquid crystal layer 11c side) of the CF substrate 11a, and the touch detection electrode 62 is provided on the front side of the CF substrate 11a. More specifically, the touch drive electrode 61 is provided between the CF substrate 11a, the color filter 11h, and the light shielding layer 11i.
- the touch detection electrode 62 is provided between the CF substrate 11a and the polarizing plate 11f.
- This touch sensor is a so-called projected capacitance method, and its detection method is a mutual capacitance method.
- the touch drive electrode 61 and the touch detection electrode 62 may be formed of a fine line pattern (mesh or the like) made of metal wiring such as copper (Cu). By forming the thin line pattern, the parasitic capacitance can be reduced.
- the touch drive electrode 61 may be provided between the light shielding layer 11i and the counter electrode 11j. When the touch drive electrode 61 is provided between the light shielding layer 11i and the counter electrode 11j, an insulating layer is provided between the touch drive electrode 61 and the counter electrode 11j.
- FIG. 6 is a plan view showing an arrangement configuration of the touch drive electrodes 61 and the touch detection electrodes 62.
- a plurality of touch drive electrodes 61 extending in the X-axis direction (second direction) are provided in the Y-axis direction (first direction) at a predetermined interval.
- a plurality of touch detection electrodes 62 extending in the Y-axis direction are provided in the X-axis direction at a predetermined interval.
- the touch drive electrode 61 and the touch detection electrode 62 are made of a conductive film made of a material having excellent translucency and conductivity such as ITO (Indium Tin Oxide) and ZnO (Zinc Oxide).
- Input signals are sequentially input to the touch drive electrode 61 in the form of scanning, and an output signal output from the touch detection electrode 62 is detected.
- the capacitance between the touch drive electrode 61 and the touch detection electrode 62 at that position changes.
- the position where the capacitance has changed is detected, and the detected position is specified as the touch position.
- a dummy electrode 63 is provided between the plurality of touch detection electrodes 62 provided on the front side of the CF substrate 11a. That is, the dummy electrodes 63 are provided between the plurality of touch detection electrodes 62 provided in the X-axis direction at predetermined intervals. In FIG. 6, each dummy electrode 63 has a shape extending in the Y-axis direction, but is actually divided by a plurality of dividing lines as will be described later.
- the dummy electrode 63 is provided on the front side of the CF substrate 11a in order to prevent the transmissivity and the like from changing between a position where the touch detection electrode 62 is provided and a position where the touch detection electrode 62 is not provided. Therefore, the dummy electrode 63 is also composed of a conductive film made of the same material as the touch detection electrode 62, that is, a material having excellent translucency such as ITO or ZnO. The dummy electrode 63 is not connected to other wirings or electrodes and is in an electrically floating state.
- the touch detection electrode 62 and the dummy electrode 63 are transparent, but have a predetermined refractive index. For this reason, the touch detection electrode 62 and the dummy electrode 63 are provided with a plurality of slits so that the touch detection electrode 62 and the dummy electrode 63 are not noticeable when the display device 10 is viewed. Yes.
- FIG. 7 is a diagram for explaining the shape of the slit provided in the dummy electrode 63, and is an enlarged view of a part of the dummy electrode 63.
- FIG. The touch detection electrode 62 is also provided with a slit having a similar shape.
- the dummy electrode 63 includes a plurality of electrode portions 631 in which a light-transmitting conductive film is formed and a plurality of slits 632 provided between the plurality of electrode portions 631.
- the dummy electrode 63 is provided with a plurality of slits 632 extending in the Y-axis direction as a whole, and the dummy electrode 63 is divided into a plurality of electrode portions 631 arranged in the X-axis direction by the slit 632. .
- the slit 632 extends in the Y-axis direction as a whole while being repeatedly bent in a zigzag shape. That is, the slit 632 includes a first direction linear portion 632a extending in the first direction and a second direction linear portion 632b extending in a second direction different from the first direction.
- the width in the X-axis direction and the length in the Y-axis direction of the first direction linear portion 632a and the second direction linear portion 632b are the same.
- a plurality of touch drive electrodes 61 are provided in the Y-axis direction.
- the dummy electrode 63 is provided so as to straddle the plurality of touch drive electrodes 61 when viewed from the direction perpendicular to the CF substrate 11 a, signals supplied to the touch drive electrode 61 can interfere with each other via the dummy electrode 63. There is sex. Therefore, in order to prevent interference, the dummy electrode 63 is preferably divided so as not to span the plurality of touch drive electrodes 61.
- FIG. 8 is a reference diagram showing a dividing line 80A of the conventional dummy electrode 63A.
- a letter “A” is added after the reference numeral of each configuration.
- the touch detection electrode 62A is shown together with the dummy electrode 63A.
- the electrode 63A was divided. *
- the dummy electrode 63 is composed of a conductive film made of a material having excellent translucency such as ITO or ZnO. As shown in FIG. 9, the end portion (edge portion) 635 of the dummy electrode 63 has an inclined tapered shape. When viewed from a specific direction, the edge pattern of the dummy electrode 63 can be recognized.
- FIG. 10 shows an edge of the dummy electrode 63A that is visible when viewed from the direction of the arrow Y1 in a conventional display device with a touch sensor in which the dummy electrode 63A is divided by a single dividing line parallel to the X axis. It is an image figure of the pattern 100A. Also in FIG. 10, in order to distinguish from the configuration of the present embodiment, the letter “A” is attached after the reference numeral of each configuration. As shown in FIG. 10, when viewed from the direction of the arrow Y1, the edge pattern 100A at the ends of the plurality of dummy electrodes 63A in the Y-axis direction may be visible.
- the two electrode portions 631 adjacent to each other across the slit 632 of the dummy electrode 63 are divided at different positions in the Y-axis direction. That is, the dummy electrode 63 is not divided by a single dividing line like the dividing line 80A shown in FIG. 8, but is divided by a plurality of dividing lines at different positions in the Y-axis direction. As described above, since the dummy electrode 63 is divided into the plurality of electrode portions 631 by the slit 632, “division of the dummy electrode 63” and “division of the electrode portion 631” have the same meaning.
- the pattern edge of the first direction linear portion 632aA constituting the slit 632A of the dummy electrode 63A can be seen, but the pattern edge of the first direction linear portion 632aA is Because it exists uniformly, it is difficult to recognize with the human eye.
- the pattern edges of the second direction straight line portion 632bA constituting the slit 632A of the dummy electrode 63A are uniformly present, so that they are recognized even by the human eye. hard.
- any one of the first direction straight line portion 632a and the second direction straight line portion 632b constituting the zigzag slit 632 is not a line parallel to the touch drive electrode 61.
- the electrode portion 631 of the dummy electrode 63 is divided by using a line parallel to one of the straight portions as a dividing line.
- the electrode portion 631 of the dummy electrode 63 is divided by using a line obtained by extending one of the first-direction straight portion 632a and the second-direction straight portion 632b of the slit 632 as a dividing line.
- FIG. 11 shows an example in which a line obtained by extending the first direction straight line portion 632 a of the slit 632 is a dividing line 110.
- FIGS. 12 to 15 are schematic views showing an example of division of the dummy electrode 63 in the display device provided with the touch panel of the present embodiment.
- the dummy electrode 63 is divided using a line extending from the first-direction straight line portion 632a or the second-direction straight line portion 632b of the slit 632 as a dividing line, but in the schematic diagrams of FIGS.
- a state where the dummy electrode 63 is divided by a line parallel to the extending direction of the touch drive electrode 61 is shown.
- the slit 632 is omitted and the zigzag electrode portion 631 is shown in a linear shape.
- FIGS. 12 to 15 in order to distinguish the adjacent touch drive electrodes 61, reference numerals 61X n + 1 , 61X n and 61X n ⁇ 1 are given. Further, when viewed from the CF substrate 11a and the vertical direction, it is shown only the electrode portion 631 at least partially overlaps the touch drive electrode 61X n.
- the length L12 of the electrode portion 631 of the dummy electrode 63 in the Y-axis direction is the same as the width of the touch drive electrode 61 in the Y-axis direction.
- the length L12 of the dummy electrode 63 in the Y-axis direction may not be completely the same as the width of the touch drive electrode 61 in the Y-axis direction.
- the length L12 may be shorter than the width of the touch drive electrode 61 in the Y-axis direction.
- the electrode part 631 of the dummy electrode 63 adjacent in the X-axis direction is divided at different positions by a length that is 1 ⁇ 4 of the length L12 of the electrode part 631 in the Y-axis direction.
- the electrode parts 631 adjacent via the slit 632 are arranged so as to be shifted from each other by a length of L12 / 4.
- protruding when seen from the CF substrate 11a and the vertical direction which is the rate at which the dummy electrodes 63 are at least partially overlapped with the touch drive electrode 61X n overlaps protrudes to the touch drive electrode 61X n-1 adjacent
- the length L13 of the electrode portion 631 of the dummy electrode 63 in the Y-axis direction is 1 ⁇ 2 of the width of the touch drive electrode 61 in the Y-axis direction.
- the length L13 of the dummy electrode 63 in the Y-axis direction may not completely coincide with 1 ⁇ 2 of the width of the touch drive electrode 61 in the Y-axis direction.
- the electrode part 631 of the dummy electrode 63 adjacent in the X-axis direction is divided at different positions by a length that is 1 ⁇ 2 of the length L13 of the electrode part 631 in the Y-axis direction.
- the electrode parts 631 adjacent via the slit 632 are arranged so as to be shifted from each other by a length of L13 / 2.
- protruding when seen from the CF substrate 11a and the vertical direction which is the rate at which the dummy electrodes 63 are at least partially overlapped with the touch drive electrode 61X n overlaps protrudes to the touch drive electrode 61X n-1 adjacent
- the length L14 of the electrode portion 631 of the dummy electrode 63 in the Y-axis direction is 1 ⁇ 4 of the width of the touch drive electrode 61 in the Y-axis direction.
- the length L14 of the dummy electrode 63 in the Y-axis direction may not completely coincide with 1 ⁇ 4 of the width of the touch drive electrode 61 in the Y-axis direction.
- the electrode part 631 of the dummy electrode 63 adjacent in the X-axis direction is divided at different positions by a length that is 1 ⁇ 4 of the length L14 of the electrode part 631 in the Y-axis direction.
- the electrode parts 631 adjacent via the slit 632 are arranged so as to be shifted from each other by a length of L14 / 4.
- protruding when seen from the CF substrate 11a and the vertical direction which is the rate at which the dummy electrodes 63 are at least partially overlapped with the touch drive electrode 61X n overlaps protrudes to the touch drive electrode 61X n-1 adjacent
- the length L15 of the electrode portion 631 of the dummy electrode 63 in the Y-axis direction is 8 of the width of the touch drive electrode 61 in the Y-axis direction.
- the length L15 of the dummy electrode 63 in the Y-axis direction may not completely match 1/8 of the width of the touch drive electrode 61 in the Y-axis direction.
- the electrode part 631 of the dummy electrode 63 adjacent in the X-axis direction is divided at different positions by a length that is 1 ⁇ 4 of the length L15 of the electrode part 631 in the Y-axis direction.
- the electrode parts 631 adjacent via the slit 632 are arranged so as to be shifted from each other by a length of L15 / 4.
- protruding when seen from the CF substrate 11a and the vertical direction which is the rate at which the dummy electrodes 63 are at least partially overlapped with the touch drive electrode 61X n overlaps protrudes to the touch drive electrode 61X n-1 adjacent
- the dummy electrode 63 not only overlaps with one touch drive electrode 61 but also is adjacent to the touch drive electrode 61 when viewed from the direction perpendicular to the substrates 11a and 11b. Some of them overlap. For this reason, it is predicted that the output signal output from the touch detection electrode 62 is lower than the configuration in which the dummy electrode 63 is divided so as not to span the plurality of touch drive electrodes 61.
- FIG. 16 is an equivalent circuit diagram when the dummy electrode 63 straddles the adjacent touch drive electrode 61 when viewed from the direction perpendicular to the substrates 11a and 11b.
- the dummy electrode 63 is overlapped with the touch drive electrode 61X n
- the touch drive electrode 61X n-1 adjacent to the touch drive electrode 61X n Are duplicated.
- Ctr is the capacitance between the touch drive electrode 61X n and the touch detection electrode 62Y n
- Ctr 'the touch drive electrode 61X n-1 via the dummy electrode 63 and the touch detection electrode 62Y n Is a capacitance formed between the two.
- C is an integrator capacitor in the controller for detecting the output signal Vout of the touch detection electrodes 62Y n.
- Vout Vdd ⁇ (Ctr ⁇ Ctr ′) / 2C (1)
- the output signal Vout of the touch detection electrode 62Y n is the capacitance Ctr 'is formed between the touch drive electrode 61X n-1 and the touch detection electrode 62Y n via the dummy electrode 63 It drops when it is done.
- FIG. 17A shows the reference configuration, the protrusion rate in the configurations shown in FIGS. 12 to 15, the actually measured value of the ratio of the output signal Vout to the output signal of the reference configuration, and the predicted value of the ratio of the output signal Vout to the output signal of the reference configuration. It is data which shows.
- FIG. 17B is a graph showing a relationship between the protrusion rate, an actually measured value of the ratio of the output signal Vout to the output signal of the reference configuration, and a predicted value of the ratio of the output signal Vout to the output signal of the reference configuration.
- FIG. 18A is data showing the relationship between the protrusion rate of the dummy electrode 63 and the detection error (mm) of the touch position.
- FIG. 18B is a graph showing the relationship between the protrusion rate of the dummy electrode 63 and the detection error (mm) of the touch position.
- the detection error of the touch position shows the largest error among the 20 measurements.
- FIGS. 19A to 19E are diagrams showing differences in the appearance of the display screen when the method of dividing the dummy electrode 63 is changed.
- 19A to 19D correspond to the division examples shown in FIGS. 12 to 15, respectively.
- FIG. 19E corresponds to a conventional dividing method in which the dummy electrode is divided by one dividing line parallel to the touch drive electrode.
- 19A to 19E are enlarged views of a part of the display screen.
- FIGS. 18E Compared with the conventional dividing method (see FIG. 18E) in which the dummy electrode is divided by a single dividing line parallel to the X axis (see FIG. 18E), in the dividing method of this embodiment shown in FIGS. Inconspicuous. In particular, as the number of divisions of the dummy electrode 63 is increased (the shorter the length of the electrode portion 631 in the Y-axis direction), the division line becomes less noticeable. Accordingly, the dividing lines are less noticeable in the order of the dividing methods shown in FIGS. 12, 13, 14, and 15.
- each electrode portion 631 constituting the dummy electrode 63 is 1 ⁇ 4 of the width in the Y-axis direction of the touch drive electrode 61 and is located on both sides of the slit 632. If the two electrode parts 631 are arranged so as to be shifted by a length that is 1 ⁇ 4 of the length of the electrode part 631 in the Y-axis direction, the dividing line is hardly noticeable, and the touch detection electrode 62 is also noticeable. Hateful. Also, according to this configuration, the output signal Vout does not decrease and the touch detection error does not decrease as compared with the configuration in which the dummy electrode 63 does not protrude from the adjacent touch drive electrode 61.
- the dividing line of the electrode part 631 of the dummy electrode 63 extends either one of the first direction straight part 632a and the second direction straight part 632b of the zigzag slit 632.
- the line may not be an extension of the first direction straight line portion 632a or the second direction straight line portion 632b of the slit 632.
- a line parallel to any one of the first direction linear portion 632a and the second direction linear portion 632b constituting the slit 632 may be used as a dividing line, or the direction in which the touch drive electrode 61 extends.
- a parallel line may be used as a dividing line.
- a line having a predetermined angle (for example, 30 degrees) with respect to a line parallel to the direction in which the touch drive electrode 61 extends can be used as a dividing line.
- Examples of division of the dummy electrode 63 are shown in FIGS. 12 to 15, but these are merely examples. That is, an insulating substrate, a plurality of touch driving electrodes provided on the insulating substrate side by side in the first direction, each extending in a second direction intersecting the first direction, and the insulating substrate in the second direction A plurality of touch detection electrodes provided side by side, each extending in a first direction, and a dummy electrode provided between adjacent touch detection electrodes and provided with a slit extending in the first direction.
- the dummy electrode is included in the touch panel of the present embodiment as long as the dummy electrode is divided at different positions in the first direction on both sides of the slit.
- the display device 10 is not limited to a liquid crystal display having a liquid crystal panel, and may be a display device having another display panel such as an organic EL display having an organic EL panel.
- the display device including a touch panel in this embodiment includes a mobile phone (including a smartphone), a notebook computer (including a tablet notebook computer), a portable information terminal (including an electronic book, a PDA, and the like), a digital photo frame. Used in various electronic devices such as portable game machines.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Geometry (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
Description
以下、図面を参照し、本発明の実施の形態を詳しく説明する。図中同一または相当部分には同一符号を付してその説明は繰り返さない。なお、説明を分かりやすくするために、以下で参照する図面においては、構成が簡略化または模式化して示されたり、一部の構成部材が省略されたりしている。また、各図に示された構成部材間の寸法比は、必ずしも実際の寸法比を示すものではない。
Vout=Vdd・(Ctr-Ctr’)/2C …(1)
Claims (8)
- 絶縁基板と、
前記絶縁基板に第1の方向に並んで複数設けられ、各々が前記第1の方向と交差する第2の方向に延びているタッチ駆動電極と、
前記絶縁基板に前記第2の方向に並んで複数設けられ、各々が前記第1の方向に延びているタッチ検出電極と、
隣り合う前記タッチ検出電極の間に配置され、全体として前記第1の方向に延びているスリットが設けられているダミー電極と、
を備え、
前記ダミー電極は、前記スリットによって前記第2の方向に並ぶ複数の電極部に分断されており、
前記スリットを挟んで隣接する2つの前記電極部は、前記第1の方向における異なる位置で分割されている、タッチパネル。 - 前記電極部は、前記タッチ駆動電極の前記第1の方向における幅よりも短い長さに分割されている、請求項1に記載のタッチパネル。
- 前記絶縁基板と垂直な方向から見て、少なくとも一部が1つの前記タッチ駆動電極と重なっている前記ダミー電極が隣接する前記タッチ駆動電極にはみ出して重なっている割合であるはみ出し率は10%以下である、請求項1または2に記載のタッチパネル。
- 分割された前記電極部の各々は、前記タッチ駆動電極の前記第1の方向における幅の1/4の長さであり、前記スリットを挟んで隣接する2つの前記電極部は、前記電極部の前記第1の方向における長さの1/4の長さだけずれて配置されている、請求項1から3のいずれか一項に記載のタッチパネル。
- 前記スリットは、ジグザグ形状に繰り返し折れ曲がりつつ全体として前記第1の方向に延びており、
前記電極部は、前記ジグザグ形状のスリットを構成する第1の直線部及び第2の直線部のうちのいずれか一方の直線部と平行な線を分割線として分割されている、請求項1から4のいずれか一項に記載のタッチパネル。 - 前記ダミー電極の端部はテーパー形状である、請求項1から5のいずれか一項に記載のタッチパネル。
- 請求項1から6のいずれか一項に記載のタッチパネルを備える表示装置。
- 前記表示装置は、前記絶縁基板と対向基板との間に液晶層が挟まれた液晶ディスプレイであって、
前記タッチ駆動電極は、前記絶縁基板と前記対向基板との間に配置され、
前記タッチ検出電極は、前記絶縁基板の両面のうち、前記タッチ駆動電極が配置されている面とは反対側の面に配置されている、請求項7に記載の表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017524961A JP6498765B2 (ja) | 2015-06-24 | 2016-06-23 | タッチパネル、及び表示装置 |
US15/739,098 US10379689B2 (en) | 2015-06-24 | 2016-06-23 | Touch panel including an insulating substrate and display device for the same |
CN201680036983.1A CN107850957B (zh) | 2015-06-24 | 2016-06-23 | 触控面板以及显示装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-126868 | 2015-06-24 | ||
JP2015126868 | 2015-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016208660A1 true WO2016208660A1 (ja) | 2016-12-29 |
Family
ID=57584989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/068614 WO2016208660A1 (ja) | 2015-06-24 | 2016-06-23 | タッチパネル、及び表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10379689B2 (ja) |
JP (1) | JP6498765B2 (ja) |
CN (1) | CN107850957B (ja) |
WO (1) | WO2016208660A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106167348A (zh) * | 2016-06-24 | 2016-11-30 | 维沃移动通信有限公司 | 一种玻璃盖板的制作方法、玻璃盖板及移动终端 |
JP2019021309A (ja) * | 2017-07-11 | 2019-02-07 | エルジー ディスプレイ カンパニー リミテッド | タッチ表示装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020160380A (ja) * | 2019-03-28 | 2020-10-01 | 株式会社ジャパンディスプレイ | 指紋検出装置及び表示装置 |
KR20210067677A (ko) * | 2019-11-29 | 2021-06-08 | 에스케이하이닉스 주식회사 | 메모리 장치 및 그 동작 방법 |
JP2023542444A (ja) * | 2020-06-30 | 2023-10-10 | 京東方科技集團股▲ふん▼有限公司 | タッチ構造及びタッチ表示パネル |
KR20220041272A (ko) * | 2020-09-24 | 2022-04-01 | 삼성디스플레이 주식회사 | 표시 장치 |
CN112764573A (zh) * | 2021-01-07 | 2021-05-07 | 维沃移动通信有限公司 | 一种触控装置及其驱动方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012226687A (ja) * | 2011-04-22 | 2012-11-15 | Japan Display West Co Ltd | タッチ検出器付き表示パネル、タッチパネル、および電子機器 |
JP2014199606A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7663607B2 (en) * | 2004-05-06 | 2010-02-16 | Apple Inc. | Multipoint touchscreen |
US20120206396A1 (en) * | 2009-10-27 | 2012-08-16 | Sharp Kabushiki Kaisha | Display device with attached touch panel |
JP5513308B2 (ja) * | 2010-08-19 | 2014-06-04 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置、および電子機器 |
JP5458443B2 (ja) * | 2010-09-14 | 2014-04-02 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置、および電子機器 |
KR101224419B1 (ko) * | 2010-10-26 | 2013-01-22 | (주)삼원에스티 | 터치패널센서 |
JP5812895B2 (ja) * | 2012-02-28 | 2015-11-17 | 株式会社ジャパンディスプレイ | 近接検出装置、近接検出方法、電子機器 |
US8819927B2 (en) * | 2012-02-28 | 2014-09-02 | Eastman Kodak Company | Method of making a transparent conductor structure |
JP5971708B2 (ja) * | 2012-08-27 | 2016-08-17 | 株式会社ジャパンディスプレイ | タッチパネル内蔵型表示装置 |
JP5826165B2 (ja) * | 2012-12-28 | 2015-12-02 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
JP5893582B2 (ja) * | 2013-03-27 | 2016-03-23 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
JP5865285B2 (ja) * | 2013-03-27 | 2016-02-17 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
JP6081881B2 (ja) * | 2013-07-22 | 2017-02-15 | 日本写真印刷株式会社 | タッチパネル |
JP2015109067A (ja) * | 2013-10-22 | 2015-06-11 | パナソニックIpマネジメント株式会社 | 入力装置および表示装置 |
JP6320227B2 (ja) * | 2014-01-17 | 2018-05-09 | 株式会社ジャパンディスプレイ | 表示装置 |
US20150309636A1 (en) * | 2014-04-25 | 2015-10-29 | Japan Display Inc. | Sensor-equipped display device |
TWI549047B (zh) * | 2014-08-07 | 2016-09-11 | 群創光電股份有限公司 | 觸控面板及其製造方法 |
CN104331205B (zh) * | 2014-11-25 | 2018-10-30 | 上海天马微电子有限公司 | 触控显示装置和电子设备 |
WO2016136661A1 (ja) * | 2015-02-24 | 2016-09-01 | シャープ株式会社 | タッチセンサ付き表示装置 |
-
2016
- 2016-06-23 US US15/739,098 patent/US10379689B2/en active Active
- 2016-06-23 CN CN201680036983.1A patent/CN107850957B/zh active Active
- 2016-06-23 JP JP2017524961A patent/JP6498765B2/ja active Active
- 2016-06-23 WO PCT/JP2016/068614 patent/WO2016208660A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012226687A (ja) * | 2011-04-22 | 2012-11-15 | Japan Display West Co Ltd | タッチ検出器付き表示パネル、タッチパネル、および電子機器 |
JP2014199606A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106167348A (zh) * | 2016-06-24 | 2016-11-30 | 维沃移动通信有限公司 | 一种玻璃盖板的制作方法、玻璃盖板及移动终端 |
JP2019021309A (ja) * | 2017-07-11 | 2019-02-07 | エルジー ディスプレイ カンパニー リミテッド | タッチ表示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6498765B2 (ja) | 2019-04-10 |
CN107850957B (zh) | 2021-04-06 |
US20180173340A1 (en) | 2018-06-21 |
CN107850957A (zh) | 2018-03-27 |
JPWO2016208660A1 (ja) | 2018-04-05 |
US10379689B2 (en) | 2019-08-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6498765B2 (ja) | タッチパネル、及び表示装置 | |
US11182034B2 (en) | Input device, display device, and electronic device | |
US10175834B2 (en) | Position input device and display device | |
US9645665B2 (en) | In-cell touch panel and display device | |
US10261617B2 (en) | In-cell touch panel and display device | |
US9423916B2 (en) | In-cell touch panel and display device | |
US9874959B2 (en) | Array substrate, touch control display device and touch control driving method | |
JP6313471B2 (ja) | 位置入力機能付き表示装置 | |
US20170220158A1 (en) | Touch Display Substrate, Touch Display Panel, Touch Display Screen and Electronic Device | |
WO2016136661A1 (ja) | タッチセンサ付き表示装置 | |
CN112654917B (zh) | 显示基板、显示装置、显示基板的制作方法及驱动方法 | |
EP2738595A1 (en) | Embedded capacitive touch panel, display, and manufacturing method | |
US10198126B2 (en) | Position inputting device and display device with position inputting function | |
JP6409117B2 (ja) | タッチセンサ付き表示装置 | |
US10571753B2 (en) | Liquid crystal panel | |
US10203808B2 (en) | Position input device and display device having position input function | |
KR20150132000A (ko) | 터치 디스플레이 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16814429 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2017524961 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15739098 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16814429 Country of ref document: EP Kind code of ref document: A1 |