CN104350450B - Capacitive touch panel substrate and display device - Google Patents
Capacitive touch panel substrate and display device Download PDFInfo
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- CN104350450B CN104350450B CN201380028127.8A CN201380028127A CN104350450B CN 104350450 B CN104350450 B CN 104350450B CN 201380028127 A CN201380028127 A CN 201380028127A CN 104350450 B CN104350450 B CN 104350450B
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- face
- layer
- touch panel
- transparency electrode
- conductive layer
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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
- G06F3/044—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
- 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
-
- 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
-
- 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
Abstract
Capacitive touch panel substrate (10) involved in the present invention has：Light-transmitting substrate (1)；The multiple 1st direction transparency electrode units (2a) being located on a face of light-transmitting substrate (1)；The 1st direction connecting portion (3a) that 1st direction transparency electrode unit (2a) is connected to each other；With multiple 2nd direction transparency electrode units (2b) that the same face is formed at the 1st direction transparency electrode unit (2a)；The 2nd direction connecting portion (3b) that 2nd direction transparency electrode unit (2b) is connected to each other；Low reflection layer (6).2nd direction connecting portion (3b) is insulated by insulating barrier (4) and the 1st direction connecting portion (3a), and includes reflection conductive layer (5).Low reflection layer (6) has according to the low reflectivity that the Y value in the Yxy chromatic diagrams of the standard sources (C) of International Commission on Illumination's CIE defineds is less than 10%, it is at least partially overlapping with reflection conductive layer (5) when from the direction viewing vertical with a face of light-transmitting substrate (1).
Description
Technical field
The present invention relates to capacitive touch panel substrate and display device.More particularly to what is arranged in 2 directions
Connecting portion between transparency electrode unit is difficult to obvious capacitive touch panel substrate and touched including the electrostatic capacitive
Touch the display device of display panel substrate.
Background technology
In recent years, in the various display devices such as smart phone, tablet PC (personal computer), as with display panel group
The location input device used is closed, touch panel is popularized rapidly.It is in the past known to have electromagnetic induction on touch panel
The various modes such as formula, resistance membrane type, are used for various uses, but are recently energy multiple point touchings wherein especially by what is attracted attention
The touch panel of the electrostatic capacitive of (multiple spot inputs simultaneously).
Figure 11 (a) is the decomposition plan view for an example for illustrating conventional display device 200, its composition having
It is：The conventional touch panel 30 comprising capacitive touch panel substrate 20 is configured in liquid crystal display panel, EL panels (electricity
Solve luminescent panel) etc. the display panel 40 of display image, with by the display device that glass cover etc. is formed with preceding surface protection board 50
Between.
Figure 11 (b) is the transparency electrode list for noticing the conventional capacitive touch panel substrate 20 in Figure 11 (a)
The close-up top view of member, Figure 11 (c) is the partial enlargement for noticing the connecting portion between the transparency electrode unit in Figure 11 (b)
Sectional view.Figure 12 is the enlarged partial sectional view along the connecting portion of the line C-C in Figure 11 (c).
Typically in capacitive touch panel substrate 20, as shown in Figure 11 (b) and Figure 11 (c), have：In the accompanying drawings
It is the 1st direction transparency electrode unit 2a of Y-direction arrangement along the vertical direction, is in left-right direction in the accompanying drawings X-direction arrangement
2nd direction transparency electrode unit 2b.Herein, Y-direction is also referred to as the 1st direction, X-direction is also referred to as the 2nd direction.
Above-mentioned conventional capacitive touch panel substrate 20 is by the 1st direction transparency electrode unit 2a and the 2nd direction
Transparency electrode unit 2b is formed at the example of the form of the same surface side of light-transmitting substrate 1 (with reference to patent document 1).The form has
Have the advantage that：The 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b relative position essence can be improved
Degree.
That is, the conventional capacitive touch panel substrate 20 that above-mentioned accompanying drawing is enumerated is in the 1st face of light-transmitting substrate 1
Have on S1 face：In the 1st direction transparency electrode unit 2a of the 1st direction (Y-direction in accompanying drawing) arrangement；By with the 1st direction
Transparency electrode unit 2a identical materials are formed at the same face, by the 1st side that 2a is connected to each other between the 1st direction transparency electrode unit
To connecting portion 3a；By being formed at the same face with the 1st direction transparency electrode unit 2a identical materials, positioned at the 1st transparent electricity in direction
Between pole unit 2a, and between the 1st direction connecting portion 3a, in the 2nd direction (accompanying drawing intersected with the 1st direction (Y-direction)
In X-direction) arrangement the 2nd direction transparency electrode unit 2b；2nd direction transparency electrode unit 2b is connected to each other, by exhausted
2nd direction connecting portion 3b of the direction connecting portion 3a of edge layer 4 and the 1st insulation.
Now, the 2nd direction connecting portion 3b is same with the 1st direction connecting portion 3a in terms of it can obtain the transparency, have by
The form formed with the 2nd direction transparency electrode unit 2b identicals material, but be used as and utilize the face compared with each transparency electrode unit
Product is small, and realizes the form of low cost, it is known that by the form formed with 7 identical materials of wiring simultaneously, wiring 7 is by being located at arrangement
There is the metal material of the peripheral part of the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b position detection zone
Material is formed (with reference to patent document 1).
That is, as shown in Figure 12 sectional view, the structure of reflection conductive layer 5 that the 2nd direction connecting portion 3b is made up of metal material
Into the reflection conductive layer 5 is made up of metal levels such as silver alloy and the metallic reflective of silver color is presented.
Even if the 2nd direction connecting portion 3b with the 2nd direction transparency electrode unit 2b identical materials by forming, exhausted due to setting
The relation of edge layer 4, the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b can not be formed simultaneously, it is necessary to chase after
Add 1 process.But the if identical material of wiring 7 by peripheral parts of the 2nd direction connecting portion 3b with position detection zone
Formed simultaneously, then can correspondingly reduce process number.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2011-86122 publications.
The content of the invention
The problem of invention is to be solved
It is and transparent if the 2nd direction connecting portion 3b is formed by reflection conductive layer 5 however, as shown in Figure 12 sectional view
Electrode is different, is just reflected because light L is mapped to, therefore obvious sometimes.5 obvious phenomenon of reflection conductive layer, which has, such as to have a down dip
To：The size of touch panel is smaller, due to watching the eye of the beholder of display panel or touch panel from operator through it
The distance of eyeball becomes near, therefore becomes more notable.
It is an object of the invention to provide a kind of capacitive touch panel substrate so that in 2 sides to cross one another
It is difficult to substantially to the connecting portion between the transparency electrode unit of arrangement.Additionally, it is provided a kind of include the capacitive touch face
The display device of plate substrate.
The solution used to solve the problem
Capacitive touch panel substrate involved in the present invention has：
Light-transmitting substrate, there is the 2nd face of the 1st face and side opposite with the 1st face；
Multiple 1st directions transparency electrode unit, in any one of the 1st face and the 2nd face of the light-transmitting substrate
On face, arranged along the 1st direction；
1st direction connecting portion, by being formed at the same face with the 1st direction transparency electrode unit identical material, by institute
The 1st direction transparency electrode unit is stated to be connected to each other；
Multiple 2nd directions transparency electrode unit, by being formed at together with the 1st direction transparency electrode unit identical material
Simultaneously, between the transparency electrode unit of the 1st direction, and between the 1st direction connecting portion, with described
The 2nd direction arrangement that 1 direction intersects；
2nd direction connecting portion, the 2nd direction transparency electrode unit is connected to each other, passes through insulating barrier and the 1st side
Insulated to connecting portion, and include reflection conductive layer；And
Low reflection layer, has and according to the Y value in the standard sources C of International Commission on Illumination's CIE defineds Yxy chromatic diagrams is
Less than 10% low reflectivity, it is and described anti-when from vertical with one face of light-transmitting substrate direction viewing
At least a portion for penetrating conductive layer is overlapping.
In capacitive touch panel substrate involved in the present invention or the low reflection layer with it is described anti-
The area for penetrating the lap of conductive layer is more than the 30% of the area of the reflection conductive layer.
In capacitive touch panel substrate involved in the present invention or from the light-transmitting substrate
The outer contour shape of low reflection layer during the vertical direction viewing in one face, in inner side include the reflection electric conductivity
The outer contour shape of layer.
In capacitive touch panel substrate involved in the present invention or it is being arranged with the 1st direction
The institute of peripheral part, the described light-transmitting substrate of the position detection zone of transparency electrode unit and the 2nd direction transparency electrode unit
Stating has ornamental portion on a face, the low reflection layer with the ornamental portion identical material by forming.
In capacitive touch panel substrate involved in the present invention or it is being arranged with the 1st direction
The institute of peripheral part, the described light-transmitting substrate of the position detection zone of transparency electrode unit and the 2nd direction transparency electrode unit
Stating has wiring on a face, the reflection conductive layer with the wiring identical material by forming.
In capacitive touch panel substrate involved in the present invention or the low reflection layer is in thickness side
To, relative to it is described reflection conductive layer be formed at the light-transmitting substrate side.
In capacitive touch panel substrate involved in the present invention or the low reflection layer is formed at institute
State between reflection conductive layer and the light-transmitting substrate.
In capacitive touch panel substrate involved in the present invention or the light-transmitting substrate with institute
The face for stating the opposite side in a face plays function as the input face of touch panel.
In capacitive touch panel substrate involved in the present invention or the low reflection layer is in thickness side
To, with it is described reflection conductive layer compared be formed at from the remote side of the distance of the light-transmitting substrate.
In addition, display device involved in the present invention includes：Display panel；Configuration is in the beholder side of the display panel
The capacitive touch panel substrate.
The effect of invention
According to the capacitive touch panel substrate of the present invention, can make in the saturating of the 2 directions arrangement to cross one another
Connecting portion between prescribed electrode unit is difficult to substantially.
According to the display device of the present invention, its capacitive touch panel substrate included has the effect above.
Brief description of the drawings
Fig. 1 (a) is that an embodiment for illustrating capacitive touch panel substrate involved in the present invention (is initially formed
Connecting portion) diagrammatic top view, Fig. 1 (b) is the enlarged partial sectional view along the connecting portion of the line C-C in Fig. 1 (a).
Fig. 2 (a) is to illustrate that another embodiment of capacitive touch panel substrate involved in the present invention is (rear to be formed
Connecting portion) diagrammatic top view, Fig. 2 (b) is the enlarged partial sectional view along the connecting portion of the line C-C in Fig. 2 (a).
Fig. 3 (a) is that another embodiment for illustrating capacitive touch panel substrate involved in the present invention (is initially formed
Connecting portion, through hole connection) diagrammatic top view, Fig. 3 (b) is the partial enlargement along the connecting portion of the line C-C in Fig. 3 (a)
Sectional view.
Fig. 4 (a) is to illustrate that another embodiment of capacitive touch panel substrate involved in the present invention is (rear to be formed
Connecting portion, through hole connection) diagrammatic top view, Fig. 4 (b) is the partial enlargement along the connecting portion of the line C-C in Fig. 4 (a)
Sectional view.
Fig. 5 (a) is to illustrate that (reflection is led for another embodiment of capacitive touch panel substrate involved in the present invention
Electric layers expose a part from low reflection layer) diagrammatic top view, Fig. 5 (b) is the connecting portion along the line C-C in Fig. 5 (a)
Enlarged partial sectional view.
Fig. 6 (a), (b) are the vertical views for illustrating to reflect the example for exposing situation of conductive layer respectively in Fig. 5 form
Figure.
Fig. 7 (a) is another embodiment (the low reflection for illustrating capacitive touch panel substrate involved in the present invention
Layer with ornamental portion is identical material) top view, Fig. 7 (b) is to show that infrared ray passes through the partial enlargement section view of the part of window
Figure, Fig. 7 (c) is the enlarged partial sectional view of connecting portion corresponding with Fig. 1 (b).
Fig. 8 is another embodiment for showing capacitive touch panel substrate involved in the present invention (with covering
Layer) (corresponding with Fig. 1 (b) composition) enlarged partial sectional view.
Fig. 9 is the sectional view for an embodiment for illustrating display device involved in the present invention.
Figure 10 is the sectional view for another embodiment for illustrating display device involved in the present invention.
Figure 11 (a) is to show to include the conventional touch panel, the display surface that have used capacitive touch panel substrate
Plate and the preceding surface protection board of display device, the decomposition plan view of an example of conventional display device, Figure 11 (b) are
The close-up top view of one example of the transparency electrode unit of capacitive touch panel substrate is shown, Figure 11 (c) is
The close-up top view of one example of the connecting portion between transparency electrode unit is shown.
Figure 12 is the enlarged partial sectional view along the connecting portion of the line C-C in Figure 11 (c).
Embodiment
Below, embodiments of the present invention are illustrated referring to the drawings.In addition, accompanying drawing is schematic diagram, for explanation
Conveniently, the appropriate exaggeration sometimes such as the proportionate relationship of inscape, transverse and longitudinal ratio.
The definition of [A] term：
Below, on the main term used in the present invention, its definition is first illustrated herein.
" face side " refers in capacitive touch panel substrate 10 or other inscapes, by electrostatic capacitive
When touch panel substrate 10 is applied in combination with display panel 40, display light side is sent from display panel 40, is viewing display surface
The beholder side of the display of plate 40.
In addition, " face side " refers to that in capacitive touch panel substrate 10 or other inscapes operation makes
With the operator side of the touch panel 30 of capacitive touch panel substrate 10.
" rear side " refers to the opposite side with " face side ", refer in capacitive touch panel substrate 10 or
In other inscapes, the display light of display panel 40 enters side.
Which face in " the 1st face " and " the 2nd face " turns into " face side ", and it is any which face, which turns into " face side ",
's.
Which face in " the 1st face " and " the 2nd face " turns into " face ", and it is arbitrary which face, which turns into " another face ",.
But in this manual, will the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b be set
The face of side is referred to as " face ".Should " face " turn into " face side " or depended on as " rear side " and electrostatic electricity
The layer of appearance formula touch panel substrate 10 forms related occupation mode.The low reflection layer 6 of capacitive touch panel substrate 10
Used with turning into face side relative to reflection conductive layer 5.
In this manual, the form that " face " described in main explanation uses as " rear side ", also illustrate to be used as " table
The form that surface side " uses.
[B] capacitive touch panel substrate 10：
Illustrate capacitive touch panel substrate 10 involved in the present invention in each embodiment.
《1st embodiment：The connecting portion being initially formed》
Fig. 1 (a) is the diagrammatic top of the 1st embodiment of capacitive touch panel substrate 10 involved in the present invention
Figure, Fig. 1 (b) is the enlarged partial sectional view along the line C-C in Fig. 1 (a).
Present embodiment is to be initially formed the 2nd direction connecting portion 3b, rear to form the 1st direction transparency electrode unit 2a and the 2nd side
The form constructed obtained to transparency electrode unit 2b.
The composition of the capacitive touch panel substrate 10 of embodiment shown in Fig. 1 is：
Light-transmitting substrate 1；
On a face of the light-transmitting substrate 1, along multiple 1st direction transparency electrode unit 2a of the 1st direction arrangement；
By being formed at the same face with the 1st direction transparency electrode unit 2a identical materials, by the 1st direction transparency electrode unit
The 1st direction connecting portion 3a that 2a is connected to each other；
By being formed at the same face with the 1st direction transparency electrode unit 2a identical materials, positioned at the 1st direction transparency electrode list
Between first 2a and between the 1st direction connecting portion 3a, in multiple 2nd directions of the 2nd direction arrangement intersected with the 1st direction
Transparency electrode unit 2b；
2nd direction transparency electrode unit 2b is connected to each other, insulated by the direction connecting portion 2a of insulating barrier 4 and the 1st, comprising
Reflect the 2nd direction connecting portion 3b of conductive layer 5；
The use of the Y value in the Yxy chromatic diagrams according to standard sources C as defined in International Commission on Illumination CIE is less than 10%
Low reflectivity, from one face with light-transmitting substrate 1 be the 1st face S1 it is vertical direction viewing when, with reflect electric conductivity
At least a portion of layer 5 is overlapping.
Moreover, in the present embodiment, the described of reflection conductive layer 5 and low reflection layer 6 overlapping is：From with translucency base
When one face of plate 1 is the 1st face S1 vertical direction viewings, the outer contour shape of low reflection layer 6 includes reflection in inner side
The overlapping degree of the outer contour shape of conductive layer 5.In other words, this is the 100% of the area for reflecting conductive layer 5, i.e. whole
Individual scope is overlapping with low reflection layer 6.
In the present embodiment, the 1st face S1 for turning into a face of light-transmitting substrate 1 is attached in Fig. 1 (b) sectional view
Scheme the face of top.So capacitive touch panel substrate 10 is contemplated the 2nd face on the downside of accompanying drawing
S2 as face side, towards and touch panel operator display panel beholder V come the form that uses.
In the figure, in XY vertical coordinate systems, Y-direction is the 1st direction, and X-direction is the 2nd direction.
In addition, in the present invention, the 1st direction to cross one another not necessarily must be vertical with the 2nd direction.
Fig. 1 (a) diagrammatic top view is not depicted in the multiple of the 1st direction arrangement all in the detection zone Ap of position
1st direction transparency electrode unit 2a and multiple 2nd direction transparency electrode unit 2b in the arrangement of the 2nd direction.Notice the 2nd
The part for the 2nd direction connecting portion 3b that direction transparency electrode unit 2b is connected to each other, depict 1 the 2nd direction with only representing connect
Socket part 3b and its periphery.In addition, be formed at the wiring 7 of position detection zone Ap peripheral part as with the 1st direction transparency electrode
The wiring of unit 2a connections, also shown schematically only depicts 1, the diagram with the 2nd direction transparency electrode unit 2b wirings 7 being connected
Omit.
In addition, in the figure, in position detection zone Ap peripheral part, overlappingly it is connected with wiring 7, by with the 1st
The 1st direction transparency electrode enlarged portion 7a that direction transparency electrode unit 2a identicals material while pattern are formed at the same face is located at
Position detection zone Ap peripheral part.
" rear side " viewing electrostatic capacitive that Fig. 1 (a) is formed from reflecting the sides such as conductive layer 5, low reflection layer 6 touches
Touch the top view of display panel substrate 10.In Fig. 1 (a), in the 1st direction transparency electrode unit 2a, the 2nd direction transparency electrode unit 2b
Insulating barrier 4, reflection conductive layer 5 and the dotted line of low reflection layer 6 formed Deng the opposite side of hyaline layer is described, because if this is saturating
Bright layer is the opaque position relationship that can so turn into hiding layer originally.But represent to be only for ease of with dotted line
Understand, the position relationship of not accurate presentation layer.
Top view in Fig. 1 (a), between Fig. 1 (b) enlarged partial sectional view, respectively form will for left and right directions etc. in accompanying drawing
The magnitude relationship of size between element is not constant.
The explanation related to these references is same for the accompanying drawing of other embodiment involved in the present invention.
In the present embodiment, low reflection layer 6 from one face with light-transmitting substrate 1 be that the 1st face S1 is vertical
As long as outer contour shape when direction is watched includes the outer contour shape of reflection conductive layer 5 in inner side, can also be identical
And overlap each other completely.
In the present embodiment shown in Fig. 1, the outer contour shape of low reflection layer 6 is rectangular shape, reflects electric conductivity
The outer contour shape of layer 5 is also rectangular shape.Moreover, foreign steamer of the outer contour shape of low reflection layer 6 than reflecting conductive layer 5
Profile shape is big.Moreover, the outer contour shape of low reflection layer 6 is in its all-round outer contour shape enclosed relative to reflection conductive layer 5
Expose laterally.In addition, in the present invention, the outer contour shape of low reflection layer 6 is arbitrary, is not limited to rectangle.Reflection is led
Electric layers 5 are same.
The outer contour shape of low reflection layer 6 is preferably relative in the sense that position alignment accuracy has some surpluses
In reflection conductive layer 5 outer contour shape in the all-round shape exposed laterally of enclosing more than 0.5 μm, preferably more than 1 μm, more
It is preferred that more than 2 μm, further preferred more than 4 μm.Simply, though preferably expose, also below 100 μm, preferably 30 μm with
Under, more preferably less than 10 μm.If because exposing excessively, the part of low reflection layer 6 can block to be seen through touch panel
The display for the display panel seen, adverse effect can be brought to display quality.
In the present embodiment, it is that low reflection layer 6 is formed at translucency base in thickness direction relative to reflection conductive layer 5
The side of plate 1, the form being more specifically formed between reflection conductive layer 5 and light-transmitting substrate 1.
Simply, in the present invention, it is described to be also contained in printing opacity " relative to reflection conductive layer 5 in the side of light-transmitting substrate 1 "
Another face of property substrate 1, the form that low reflection layer 6 is formed on the 2nd face S2.In a word, capacitive touch of the invention
The composition of display panel substrate 10 is：The operator for having operated with the touch panel of capacitive touch panel substrate 10 is also to see
The beholder V for the display panel 40 for being applicable capacitive touch panel substrate 10 is seen, compared with reflecting conductive layer 5
The nearside of the beholder V has low reflection layer 6.
[material and formation method]
[light-transmitting substrate 1]
The light-transmitting substrate 1 can use known material, and representative is that glass plate is set but it is also possible to be polyester resin etc.
Fat material.
[the 1st direction transparency electrode unit 2a, the 2nd direction transparency electrode unit 2b and the 1st direction connecting portion 3a]
1st direction transparency electrode unit 2a, the 2nd direction transparency electrode unit 2b and the 1st direction connecting portion 3a can
Using known material and form method.Pass through photoetching process etc. by ITO (Indium Tin Oxide for example, can use；Indium tin oxygen
Compound), IZO (Indium Zinc Oxide；Indium-zinc oxide), AZO (Aluminum Zinc Oxide；Aluminium zinc oxide) etc.
The material that electrically conducting transparent film patterns are formed.
[the 2nd direction connecting portion 3b and reflection conductive layer 5]
2nd direction connecting portion 3b comprises at least reflection conductive layer 5.
Reflecting conductive layer 5 can be using material known to metal line material beyond the electrically conducting transparent body thin film etc.
And form method.For example, reflection conductive layer 5 can use the metals such as silver, gold, copper, chromium, platinum, aluminium, palladium, molybdenum (to include these conjunction
Gold) etc..It is film-made for example, can use as the metal level for the alloy (also referred to as APC) being made up of silver, palladium and copper using sputtering method
Afterwards, the layer formed by photoetching process pattern.The distinctive reflection of metal is presented in the reflection conductive layer 5 formed by these metal materials
Property, in addition, typically opaque.Therefore, because light easily reflection and obvious, therefore is difficult to substantially in low reflection layer 6.
Reflection conductive layer 5 reflectivity refer to reflectivity visible-range (380~780nm) average out to 50% with
On.For example, in general, silver is more than 90%, aluminium is more than 80%, and gold drops to close to 50% in short wavelength range, but flat
It is more than 50%.
Reflection conductive layer 5 is not limited to metal material, for example, if showing that reflectivity can also be then electroconductive polymer.
In the present embodiment, reflection conductive layer 5 can also be formed as the silver alloy by being made up of silver, palladium and copper
(also referred to as APC), the metal level that pattern is formed using photoetching process.
In the present embodiment, reflect conductive layer 5 to be formed from the same material with wiring 7, and be formed at simultaneously same
Simultaneously, specifically a face of light-transmitting substrate 1 is the 1st face S1.
The size of the outer shape of conductive layer 5 is reflected for example in the present embodiment shown in Fig. 1, is the μ of width 5~20
M, the rectangle of 20~500 μm of length.The width is the size of the 1st direction (accompanying drawing Y-direction), and the length is the 2nd direction
The size of (accompanying drawing X-direction).
2nd direction connecting portion 3b is in addition to reflecting conductive layer 5, also comprising the electrically conducting transparent body thin film such as above-mentioned ITO,
It can be the lit-par-lit structure that electrically conducting transparent body thin film is connected and connected with reflection conductive layer 5.
[insulating barrier 4]
Insulating barrier 4 is the layer of electrical insulating property, can use known material and form method.Insulating barrier 4 is for example as resin
Layer, can be formed using ultraviolet hardening acrylic resin using photoetching process come pattern.
In addition, in this manual, " insulation " and " connection " all uses as the term in electric meaning.
Insulating barrier 4 can be but preferably transparent with transparent or opaque.Because capacitive touch will not be made
The transparency decline of display panel substrate 10.In the present embodiment, insulating barrier 4 is formed as transparent layer.
[low reflection layer 6]
Low reflection layer 6 is with reference to the JIS-Z8701 with the standard sources C according to International Commission on Illumination's CIE defineds
Low reflexive layer that Y value in Yxy chromatic diagrams is less than 10%.In addition, measure is certainly from the 2 of the aspect of low reflection layer 6
Watch what the face side remote with reflection conductive layer 5 was carried out in individual face.Low reflection layer 6 also shows that light-proofness is (opaque simultaneously
Property).Because the reflected light for carrying out self-reflection conductive layer 5 can be reduced.So low reflection layer 6 shows low reflectivity and screening
Photosensitiveness, it can also be referred to as " hidden layer " hidden by conductive layer 5 is reflected.Low reflection layer 6 can be used as in order that the reflection
5 unconspicuous layer of conductive layer plays function.
The light-proofness is for 5 unconspicuous viewpoint of reflection conductive layer is made, with preferably maximum for transmitance
Also below 10% (optical concentration OD is more than 1), more preferably transmitance is less than 1% (optical concentration OD is more than 2.0), is entered
The preferred transmitance of one step is less than 0.01% (optical concentration OD is more than 4.0).
Comprising black such as carbon blacks in the resin binder that low reflection layer 6 is made up of as presentation the solidfied material of curable resin
The dark-coloured layer such as black of pigment, can be formed using photoetching process to carry out pattern.Curable resin can be consolidated using ultraviolet
The photoresists such as change type acrylic resin.In the present embodiment, low reflection layer 6 uses the ultraviolet curing comprising carbon black
Type acrylic resin carries out pattern by photoetching process and formed.
In order that low reflection layer 6 is the dead color such as black, can also turn into using red, yellow, blue, green etc. beyond a variety of carbon blacks
Color pigment is presented the layer of black.For example, it is also possible to black is presented using the coloring pigment of this red, yellow, blue 3 kinds of colors.
Dead color refers in addition to black, and navy blue, bottle green etc. are colored, and brightness is low, and the Y shows less than 10% color.
So as coloring pigment used in low reflection layer 6, black pigment, Chinese white, red face can be used
1 kind of material, yellow uitramarine, blue pigment, viridine green, violet pigment etc. or two or more.
Low reflection layer 6 its own can also show that the inorganic material of dead color is formed by nitrogen oxidation chromium etc..
Low reflection layer 6 is preferably electrical insulating property.Because if low reflection layer 6 is electric conductivity, formed according to layer and
The combination of pattern form, it is difficult to ensure to need the insulating properties of the part of insulating properties.Although for example, in this embodiment party shown in Fig. 1
Had no problem in formula, but in aftermentioned Fig. 2 the 2nd embodiment, it is difficult to ensure the 2nd direction transparency electrode unit 2b and the 1st side
To connecting portion 3a insulating properties.
[wiring 7]
Wiring 7 can use known material and form method.For example, wiring 7 can use silver, gold, copper, chromium, platinum, aluminium,
Metals such as palladium, molybdenum (alloy for including these) etc..For example, it can use as the alloy being made up of silver, palladium and copper (also referred to as
APC after metal level) is using sputtering method film, the layer that is formed by photoetching process pattern.
In the present embodiment, the silver alloy (also referred to as APC) that wiring 7 is made up of silver, palladium and copper, which is formed, is used as metal level.
I.e., in the present embodiment, the reflection conductive layer 5 is formed from the same material with wiring 7, and is formed at simultaneously same
One face of face, specifically light-transmitting substrate 1 is the 1st face S1.
[manufacture method]
Capacitive touch panel substrate 10 as above can manufacture as follows.
First, it is the 1st face S1 in a face of light-transmitting substrate 1 formed with low reflection layer 6.Next, as the 2nd direction
Connecting portion 3b reflection conductive layer 5 and wiring 7 carry out pattern simultaneously by identical material and formed.Next, insulating barrier 4 enters
Row pattern is formed.Next, the 1st direction transparency electrode unit 2a, the 2nd direction transparency electrode unit 2b and the 1st direction connecting portion
3a carries out pattern simultaneously by identical material and formed.By in such manner, it is possible to manufacture capacitive touch panel substrate 10.
[effect of present embodiment]
By being formed as the above, in the capacitive touch panel substrate 10 of present embodiment, due to
The Hide All of conductive layer 5, therefore energy will be reflected by being configured to low reflection layer 6 used in the connecting portion between transparency electrode unit
It is enough connecting portion is difficult to substantially.
Moreover, in the present embodiment, because reflection conductive layer 5 with 7 identical materials of wiring by forming, therefore reflect
Conductive layer 5 can be set without increasing process number with wiring 7 in same process, can not be added to and originally be realized and make reflection
5 unconspicuous construction of conductive layer.
《2nd embodiment：The connecting portion formed afterwards》
Fig. 2 (a) is the diagrammatic top of the 2nd embodiment of capacitive touch panel substrate 10 involved in the present invention
Figure, Fig. 2 (b) is the enlarged partial sectional view along the line C-C in Fig. 2 (a).
Present embodiment is to be initially formed the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b, rear to be formed
The form constructed obtained from 2nd direction connecting portion 3b.
The capacitive touch panel substrate 10 of embodiment shown in Fig. 2 is implemented relative to the 1st shown in above-mentioned Fig. 1
Mode is all identical in addition to following point is different.Therefore, the explanation of same section is omitted.
A) formation of conductive layer 5 and wiring 7 is reflected；With the 1st direction transparency electrode unit 2a, the 2nd direction transparency electrode
This opposite point of the order of unit 2b and the 1st direction connecting portion 3a formation.(in other words, the superficial layer by insulating barrier 4 and the back side
The position relationship of layer is opposite)
B) due to it is above-mentioned a), the formation of insulating barrier 4；1st direction transparency electrode unit 2a, the 2nd direction transparency electrode unit
This opposite point of the order of 2b and the 1st direction connecting portion 3a formation, and the formation of insulating barrier 4；Reflect conductive layer 5 and wiring
This opposite point of the order of 7 formation.
[manufacture method]
Capacitive touch panel substrate 10 as above can manufacture as follows.
First, it is the 1st face S1 in a face of light-transmitting substrate 1 formed with low reflection layer.Next, the 1st direction is transparent
Electrode unit 2a, the 2nd direction transparency electrode unit 2b and the 1st direction connecting portion 3a carry out pattern shape simultaneously by identical material
Into.Formed next, insulating barrier 4 carries out pattern.Next, reflection conductive layer 5 and cloth as the 2nd direction connecting portion 3b
Line 7 carries out pattern simultaneously by identical material and formed.By in such manner, it is possible to manufacture capacitive touch panel substrate 10.
[reflection conductive layer 5 and the material of wiring 7]
This have the advantage that in the present embodiment：Because reflection conductive layer 5 and the pattern of wiring 7 are formed relative to the
After pattern is formed while 1 direction transparency electrode unit 2a, the 2nd direction transparency electrode unit 2b and the 1st direction connecting portion 3a
Carry out, thus reflect conductive layer 5 and wiring 7 material without the concern for the 1st direction transparency electrode unit 2a etc. pattern shape
Into when the patience relative to etching solution.
Therefore, in the present embodiment, as reflection conductive layer 5 and wiring 7 material, also can use molybdenum (Mo),
Aluminium (Al), 3 layers of molybdenum (Mo) wiring material (being referred to as MAM) constructed.
[effect of present embodiment]
By being formed as the above, in the capacitive touch panel substrate 10 of present embodiment, due to
The Hide All of conductive layer 5, therefore energy will be reflected by being configured to low reflection layer 6 used in the connecting portion between transparency electrode unit
It is enough connecting portion is difficult to substantially.
Moreover, in the present embodiment, because reflection conductive layer 5 with 7 identical materials of wiring by forming, therefore reflect
Conductive layer 5 can be set without increasing process number with wiring 7 in same process, can not be added to and originally be realized and make reflection
5 unconspicuous construction of conductive layer.
《3rd embodiment：Connecting portion, the through hole being initially formed connect》
Fig. 3 (a) is the diagrammatic top of the 3rd embodiment of capacitive touch panel substrate 10 involved in the present invention
Figure, Fig. 3 (b) is the enlarged partial sectional view along the line C-C in Fig. 3 (a).
Present embodiment is to be initially formed the 2nd direction connecting portion 3b, is formed afterwards in position detection zone Ap gamut
Insulating barrier 4 with through hole 4h, next, the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b is formed,
The form constructed obtained from the 2nd direction transparency electrode unit 2b is connected with the 2nd direction connecting portion 3b with through hole 4h.
The capacitive touch panel substrate 10 of embodiment shown in Fig. 3 is implemented relative to the 1st shown in above-mentioned Fig. 1
Mode is all identical in addition to following point is different.Therefore, the explanation of same section is omitted.
A) insulating barrier 4 is not only formed at connecting portion, and is formed at position detection zone Ap gamut, but is not formed
In this point of through hole 4h part that the 2nd direction transparency electrode unit 2b and the 2nd direction connecting portion 3b are attached.
B) due to it is above-mentioned a), the reflection conductive layer 5 as the 2nd direction connecting portion 3b is in through hole 4h part and the 2nd side
This point is connected to transparency electrode unit 2b.
[manufacture method]
Capacitive touch panel substrate 10 by insulating barrier 4 when carrying out pattern formation as above, by through hole 4h
As layer non-formation portion carry out formed simultaneously, be formed at position detection zone Ap gamut, in addition can with it is upper
The 1st embodiment is stated equally to manufacture.
[effect of present embodiment]
By being formed as the above, in the capacitive touch panel substrate 10 of present embodiment, due to
The Hide All of conductive layer 5, therefore energy will be reflected by being configured to low reflection layer 6 used in the connecting portion between transparency electrode unit
It is enough connecting portion is difficult to substantially.
Moreover, in the present embodiment, because reflection conductive layer 5 with 7 identical materials of wiring by forming, therefore reflect
Conductive layer 5 can be set without increasing process number with wiring 7 in same process, can not be added to and originally be realized and make reflection
5 unconspicuous construction of conductive layer.
《4th embodiment：Connecting portion, the through hole formed afterwards connects》
Fig. 4 (a) is the diagrammatic top of the 4th embodiment of capacitive touch panel substrate 10 involved in the present invention
Figure, Fig. 4 (b) is the enlarged partial sectional view along the line C-C in Fig. 4 (a).
Present embodiment is to be initially formed the 1st direction transparency electrode unit 2a and the 2nd direction transparency electrode unit 2b, after will tool
The insulating barrier 4 for having through hole 4h is formed at position detection zone Ap gamut, is subsequently formed the 2nd direction connecting portion 3b, uses
The form that through hole 4h is constructed obtained from being connected with the 2nd direction transparency electrode unit 2b.
The capacitive touch panel substrate 10 of embodiment shown in Fig. 4 is implemented relative to the 2nd shown in above-mentioned Fig. 2
Mode is all identical in addition to following point is different.Therefore, the explanation of same section is omitted.
A) insulating barrier 4 is not only formed at connecting portion, and is formed at position detection zone Ap gamut, but is not formed
In this point of through hole 4h part that the 2nd direction transparency electrode unit 2b and the 2nd direction connecting portion 3b are attached.
B) due to it is above-mentioned a), the reflection conductive layer 5 as the 2nd direction connecting portion 3b is in through hole 4h part and the 2nd side
This point is connected to transparency electrode unit 2b.
[manufacture method]
Capacitive touch panel substrate 10 by insulating barrier 4 when carrying out pattern formation as above, by through hole 4h
As layer non-formation portion carry out formed simultaneously, be formed at position detection zone Ap gamut, in addition can with it is upper
The 2nd embodiment is stated equally to manufacture.
[effect of present embodiment]
Make to pass through as more than and form, in the capacitive touch panel substrate 10 of present embodiment, by
The Hide All of conductive layer 5 will be reflected used in the connecting portion between transparency electrode unit in being configured to low reflection layer 6, therefore
Connecting portion can be effectively set to be difficult to substantially.
Moreover, in the present embodiment, because reflection conductive layer 5 with 7 identical materials of wiring by forming, therefore reflect
Conductive layer 5 can be set without increasing process number with wiring 7 in same process, can not be added to and originally be realized and make reflection
5 unconspicuous construction of conductive layer.
《5th embodiment：Reflection conductive layer 5 exposes a part from low reflection layer 6》
Fig. 5 (a) is the diagrammatic top of the 5th embodiment of capacitive touch panel substrate 10 involved in the present invention
Figure, Fig. 5 (b) is the enlarged partial sectional view along the line C-C in Fig. 5 (a).
It is a part of overlapping with reflection conductive layer 5 that present embodiment is low reflection layer 6, as a result reflect conductive layer 5 from
Low reflection layer 6 exposes a part and visible form.
The capacitive touch panel substrate 10 of embodiment shown in Fig. 5 is implemented relative to the 1st shown in above-mentioned Fig. 1
Mode is all identical in addition to following point is different.Therefore, the explanation of same section is omitted.
A) low reflection layer 6 is a part of overlapping with reflection conductive layer 5, and reflection conductive layer 5 exposes one from low reflection layer 6
Partly this visible point.
[low reflection layer 6 and the overlapping degree of reflection conductive layer 5]
So far each embodiment illustrated is all that low reflection layer 6 is overlapping in the gamut of reflection conductive layer 5, low reflection
The outer contour shape of layer 6 is comprised in the form of the inner side of the outer contour shape of reflection conductive layer 5.Therefore, electric conductivity is reflected
Layer 5 is hidden completely by low reflection layer 6 in its gamut, and reflection conductive layer 5 is invisible.
Make the unobvious of reflection conductive layer 5 in this point, preferably reflect conductive layer 5 its gamut with it is low
Reflecting layer 6 is overlapping, even if how much visible reflection conductive layer 5 is, as long as actually to the display involved by reflection conductive layer 5
The adverse effect of quality is slight, as long as it can allow to reflect the purposes that the display quality involved by conductive layer 5 declines in addition, that
Can also reflect the form that conductive layer 5 exposes a part from low reflection layer 6.
Though for example, due to being low reflection layer 6 but can also block display picture, therefore in view of to the unfavorable of display quality
Influence, preferably low reflection layer 6 is as small as possible.That is, in view of caused by low reflection layer 6 itself to display quality not
In the case that profit influences, reflection conductive layer 5 can be used to expose the form of a part from low reflection layer 6.That is, led from by reflection
For the completely hiding viewpoint of electric layers 5, the minimum shape of low reflection layer 6 is and reflection 5 same shape of conductive layer and same
Size.If however, allow to generate some exposed division E, then the outer contour shape of low reflection layer 6 is than reflection conductive layer 5
Outer contour shape is small, so that deviates even if producing some positions, can also reduce the area of low reflection layer 6 with exposed division E's
Total area of area.Therefore, it is possible to reduce the key element for blocking display picture.
In addition, it is also contemplated that have because aligned in position precision is insufficient, reflection conductive layer 5 and the relative position of low reflection layer 6
Deviate the position for putting relation so that the situation that a part for reflection conductive layer 5 is exposed from low reflection layer 6.
This 5th embodiment is that in such a case etc., reflection conductive layer 5 exposes a part from low reflection layer 6
Form.
Show to reflect conductive layer 5 in Fig. 5 (a) and Fig. 5 (b) relative to the position to the right in the accompanying drawings of low reflection layer 6
Deviate, as a result produce the situation that reflection conductive layer 5 exposes the exposed division E of a part from low reflection layer 6.As a result, expose
Portion E can by beholder V visually to.The figure is to reflect the feelings that conductive layer 5 deviates in bearing of trend (X-direction) position of its line
Condition, but when the relation that deviates of the relative position for reflecting conductive layer 5 and low reflection layer 6 is on the basis of reflecting conductive layer 5, have
Deviate in its line width direction position, bearing of trend and line width direction the two sides of some in the line of reflection conductive layer 5
Deviate to position.
Fig. 6 is the direction deviateed on the relative position of reflection conductive layer 5 and low reflection layer 6, with the situation in 2 directions
The figure enumerated.Fig. 6 (a) shows to reflect the situation of the bearing of trend (being X-direction in the figure) of the line of conductive layer 5, Fig. 6 (b)
The situation in the line width direction (being Y direction in the figure) of the line of reflection conductive layer 5 is shown.In Fig. 6 (a) and Fig. 6 (b),
Direction shown in two arrows is to reflect conductive layer 5 and the direction of the relative position deviation of low reflection layer 6.Fig. 6 (a) equivalent to
Described Fig. 5 position offset relation.
Fig. 6 (a) is the shape that low reflection layer 6 deviates relative to reflection conductive layer 5 in X-direction in accompanying drawing right position
Condition, exposed division E is produced in the left side of reflection conductive layer 5.Fig. 6 (b) is low reflection layer 6 relative to reflection conductive layer 5 in Y-axis
The situation that direction is deviateed in accompanying drawing lower position, exposed division E is produced in the upside of reflection conductive layer 5.In the drawings, it is
It can be readily appreciated that reflection conductive layer 5 and low reflection layer 6 do not apply shade in the inner side of outer contour shape respectively, only revealing
The part for going out portion E is applied with shade.In addition, the outer contour of the reflection conductive layer 5 of the part hidden by low reflection layer 6 is with void
Line is shown.
(reflection conductive layer 5 is by the hidden area ratio of low reflection layer 6)
So, it is a part of overlapping with reflection conductive layer 5 in low reflection layer 6, conductive layer 5 is reflected from low reflection layer 6
In the form for exposing a part, the area of the part overlapping with reflection conductive layer 5 of low reflection layer 6 is reflection conductive layer 5
More than the 30% of area, preferably more than 50%, more preferably more than 70%, further preferred more than 80% area ratio.This is
If because the area ratio can decline display quality less than described value.
As can be seen from Figure 6, even if the size that reflection conductive layer 5 is exposed from low reflection layer 6 is, for example, 1 μm of grade, with exposing
Direction is independently identical size, when exposing in the line direction (being X-direction in accompanying drawing) for reflecting conductive layer 5；It is and online
When width (being Y direction in accompanying drawing) exposes, the area for the exposed division E that reflection conductive layer 5 is exposed from low reflection layer 6,
Area ratio relative to the area of reflection conductive layer 5 is also different.Especially, caused by the exposed division E for reflecting conductive layer 5
Be when the line width direction position shown in Fig. 6 (b) is deviateed and is exposed to the increase of the adverse effect of display quality.Even in this
Under the situation of sample, it is more than described value, so as to suppress display quality to make by the hidden area ratio of low reflection layer 6
Decline.
Concrete example is shown, relative to reflection conductive layer 5 line 15 μm of line width, the line total length in line width side
To have 3 μm not by low reflection layer 6 it is hidden and when exposing, the area ratio is { (15 μm -3 μm)/15 μm } × 100=
80%.
[effect of present embodiment]
By being formed as the above, in the capacitive touch panel substrate 10 of present embodiment, due to
It is configured to low reflection layer 6 and is hidden the part of conductive layer 5 is reflected used in the connecting portion between transparency electrode unit, therefore
Connecting portion can be made to be difficult to substantially.In addition, it can also suppress the unfavorable shadow to display quality caused by low reflection layer 6 itself
Ring.
Moreover, in the present embodiment, because reflection conductive layer 5 with 7 identical materials of wiring by forming, therefore reflect
Conductive layer 5 can be set without increasing process number with wiring 7 in same process, can not be added to and originally be realized and make reflection
5 unconspicuous construction of conductive layer.
Also, by allowing exposing for the reflection conductive layer 5 of a certain degree, can release position alignment accuracy, can
Suppression becomes easier to the adverse effect of display quality and manufacture, further realizes cost degradation.
《Deformation form》
The capacitive touch panel substrate 10 of the present invention can take other forms beyond above-mentioned form.Below,
Illustrate one part.
[reflection conductive layer 5 exposes the form of a part from low reflection layer 6]
Expose the form of a part from low reflection layer 6 as reflection conductive layer 5 and the 5th embodiment that illustrates is also the
The deformation form of 1 embodiment.
But in the present invention, the form that reflection conductive layer 5 exposes a part from low reflection layer 6 is not limited to the 1st implementation
The deformation form of mode.The form that reflection conductive layer 5 exposes a part from low reflection layer 6 can also be used as the 2nd implementation
The deformation form of other forms such as mode, the 3rd embodiment, the 4th embodiment or aftermentioned deformation form.
[exposed division E is utilized to the form as reflecting part]
In the form that reflection conductive layer 5 exposes a part from low reflection layer 6, it will can also expose from low reflection layer 6
The part of reflection conductive layer 5 be that exposed division E is positively utilized as reflecting part.
For example, in the game machine of shooting game etc., the touch surface for including capacitive touch panel substrate 10
Plate configures the display device in the beholder side of display panel, and the display is indicated using the light irradiation from gun shaped optical controller
Reflection position inspection involved by two-dimensional image sensor such as the optional position in picture, the additional CCD that can shoot display picture etc.
Unit is surveyed, so as to as anti-involved by the exposed division E of the reflection position detection unit and capacitive touch panel substrate 10
Penetrate portion and form optical touchless indicating positions detection unit, shooting game machine can be used as, wherein, reflection position detection unit connects
The reflected light in the reflecting part reflection involved by exposed division E from the light that the gun shaped optical controller is sent is received, so as to detect display picture
The position indicated in face.In addition, if irradiation light uses infrared light, easily can be distinguished with visible ray.
From will reflection conductive layer 5 by the use of for the meaning as reflecting part, being not provided with low reflection layer 6 can strengthen on the contrary
This point of intensity of reflected light is preferable, but the light of surrounding environment is easy to be mapped to and reflects conductive layer 5 and is easy to obvious.However, it is configured to
With low reflection layer 6 by reflect conductive layer 5 a part hide so that as reflection conductive layer 5 originally
The basic electrical property of electrical connecting unit, 1 structure as the optical touchless indicating positions detection unit in display picture
Intensity of reflected light into key element, the 5 obvious difficulty of reflection conductive layer as display picture quality, reflection conductive layer 5 with
The balance of the various performances such as easness and cost in the related manufacture of the aligned in position precision of low reflection layer 6 is easier, can
Increase the free degree of design.
If moreover, using as the reflecting part of an inscape of optical touchless indicating positions detection unit and reflection
Conductive layer 5 is separately independently arranged, then and process number can correspondingly increase, and cost can raise, but by the way that conductive layer 5 will be reflected
Exposed division E be utilized as reflecting part, be configured to reflecting part by the identical material of conductive layer 5 while being formed with reflection, do not increase
Process number can just be set.
Such exposed division E is applied to a structure as the optical touchless indicating positions detection unit in display picture
Into the reflecting part of key element, in addition to game machine purposes, can also be used in as the optional position in instruction display picture, from
And carry out the purposes of the controller of operation such as zoom in or out of picture centered on the part.For example, it is regularly arranged
Exposed division E, the function as the grid lines in display picture can be played so as to exposed division E.
In addition, in above-mentioned form example, on an inscape as optical touchless indicating positions detection unit
Function use, be in operator in the purposes of the application method used when being divided into touch panel function and use
Reach what is carried out during the position of display picture positioned at hand；It is to operate in the purposes of the application method of two functions
Person is located at hand and accesses what is carried out during the position of display picture.
[additional and the preceding surface protection board of display device the dual-purpose of ornamental portion 8]
As Fig. 7 is enumerated, in the present invention, capacitive touch panel substrate 10 is position detection zone Ap's
Peripheral part can have ornamental portion 8.
Ornamental portion 8 be by the touch panel comprising capacitive touch panel substrate 10, used the touch panel
Display device in hidden positioned at the position detection zone Ap wiring 7 of peripheral part, control circuit etc. so that for display device
Beholder V or touch panel operator it is invisible, do not influence outward appearance, and show the part of any appearance design.
Peripheral part of the capacitive touch panel substrate 10 in position detection zone Ap has ornamental portion 8, so as to
Conventional display device 200, glass cover that Figure 11 (a) is enumerated etc. is played as display device with preceding surface protection board 50
Function, display device can be also used as with preceding surface protection board 50.
Being also used as display device can be claimed with the capacitive touch panel substrate 10 of the composition of preceding surface protection board 50
Make the display device one-piece type touch panel substrate of preceding surface protection board.In this case, light-transmitting substrate 1 with being provided with
Face (another face, the 2nd of the opposite side in 1 direction transparency electrode 2a and the 2nd direction transparency electrode 2b face (face, the 1st face S1)
Face S2) external conductor such as finger as operator contacts (or close) line position of going forward side by side with touch panel sensor and puts input
The input face (touch surface, contact surface) of touch panel plays function.
Capacitive touch panel substrate 10 is also used as display device preceding surface protection board 50 and integration, so as to
Access the effect that further number of devices is reduced, is thinned.
[low reflection layer 6, with the material of ornamental portion 8 mutually assimilate]
Capacitive touch panel substrate 10 also with ornamental portion 8 form in, with its ornamental portion 8 with
The same low reflectivity and during the inscape of light-proofness with low reflection layer 6, low reflection layer 6 can by with the identical of ornamental portion 8
Material is formed.Additionally, it is preferable that low reflection layer 6 with the identical material of ornamental portion 8 by forming.Because due to by low reflection
Layer 6 by being formed with the identical material of ornamental portion 8, so as to low reflection layer 6 and ornamental portion 8 in same process without increasing process number
It can set, therefore originally realization can not be added to make 5 unconspicuous construction of reflection conductive layer.Certainly, in this case,
Low reflection layer 6 is formed on the same face of light-transmitting substrate 1 (reference picture 7 (c)) with ornamental portion 8, so as in same process
Formed simultaneously.In addition, Fig. 7 (c) shows the low reflection layer 6 and ornamental portion 8 while the example of formation of Fig. 1 form, but other shapes
The low reflection layer 6 of state can also be formed simultaneously with ornamental portion 8.
Ornamental portion 8 at least has the light shield layer 8a for light-proofness, but in addition, be generally also provided with red for hidden wiring 7 etc.
Outside line is through window 8b etc..Need to prevent the malfunction of touch panel when being attached to mobile phone from ear during call, also close aobvious
For showing the display of panel to extend viewpoint of battery life etc., infrared ray is arranged on perceptually human skin through window 8b and connect
Near human body sensor and the part of infrared ray sensor set.
As the inscape of the ornamental portion 8 by being formed with the identical material of low reflection layer 6, such as there is light shield layer 8a；Shape
Into the infrared ray transmission layer 8bL in infrared ray through window 8b part.
[light shield layer 8a]
Light shield layer 8a light-proofness specification as requested, apparent color and difference, but with for transmitance preferably most
Greatly also below 3% (optical concentration OD be more than 1.5), more preferably transmitance be less than 1% (optical concentration OD be 2.0 with
On), further preferred transmitance is less than 0.01% (optical concentration OD is more than 4.0).Because if transmitance is more than upper
Scope is stated, then device that should be hidden etc. can become visible.
Light shield layer 8a can be formed with known material and formation method.For example, light shield layer 8a can be by curable resin
The layer comprising coloring pigment is formed in the resin binder that solidfied material is formed.As curable resin, ultraviolet can be used
The photoresists such as curing type acrylic resin.
As coloring pigment used in light shield layer 8a, as long as being coloured using the color showed with light shield layer 8a is corresponding
Pigment, it is not particularly limited.For example, as coloring pigment, black pigment, Chinese white, red pigment, Huang can be used
Color pigment, blue pigment, viridine green, violet pigment etc..Coloring pigment be able to can also be used a variety of with a kind of exclusive use
The coloring pigment of congener color or different colours.
It is anti-as the colors presented of the light shield layer 8a in the case of being formed with 6 identical material of low reflection layer are not white
Penetrating property color, but dark-coloured color as black.In addition, the appearance design color that black is showed as ornamental portion 8, Ye Shiyou
Select one kind of color.
[infrared ray passes through window 8b]
As being enumerated such as Fig. 7 (a) and Fig. 7 (b), in ornamental portion 8, as visible ray show light-proofness and
The infrared ray for showing permeability for infrared light can set infrared ray transmission layer 8bL through window 8b part.Because hiding
In the case that photosphere 8a is black, if due to using carbon black as black pigment, not only for visible ray and for infrared
Light also turns into light-proofness, it is therefore desirable to the infrared ray transmission layer 8bL of the material layer different from light shield layer 8a.
Pass through the window 8b permeability for infrared light as infrared ray, specification as requested, apparent color, be adapted to it is red
Outside line is different using device through the window 8b infrared ray such as infrared ray sensor, but shows an example, region of ultra-red it is saturating
Rate is crossed as more than 70%.The transmitance is that more than 70% region of ultra-red must be not necessarily more than 780nm region,
As long as such as more than 850nm region, it becomes possible to give full play to function.In addition, transmitance is more than 70% region of ultra-red
The upper limit is near infrared region, and it generally meets 1300nm.
Infrared ray is but infrared through the window 8b specification as requested of the light-proofness for visible ray, apparent color and difference
Line is usually that point-like is smaller through window 8b part, therefore is not necessarily required to pass through window 8b and light shield layer 8a shading with infrared ray
Property level it is consistent.Therefore, an example of the infrared ray through the window 8b light-proofness for visible ray is shown, with transmitance
Speech be preferably it is maximum also below 50% (optical concentration OD is more than 0.2), more preferably transmitance is that less than 25% (optics is dense
It is more than 0.6 to spend OD), further preferred transmitance is less than 10% (optical concentration OD is more than 1.0).
So, infrared ray has through window 8b for example for infrared light region below wavelength 850nm above 1300nm
There is more than 70% transmitance；There is less than 10% transmitance for visible region.In addition, the transmitance is not average
Value, it is the value of each each wavelength.
(infrared ray transmission layer 8bL)
Infrared ray transmission layer 8bL is in order that infrared ray passes through window 8b presence unobvious, generally by similar with light shield layer 8a
Color formed.Moreover, infrared ray transmission layer 8bL shows light-proofness for visible ray, and permeability is shown for infrared light.
The color that infrared ray transmission layer 8bL in the case of by being formed with 6 identical material of low reflection layer is presented is not white
Such reflective color, but dark-coloured color as black.In addition, the appearance design that black is showed as ornamental portion 8
Color, and one kind of preferred colors.
Infrared ray transmission layer 8bL does not contain black pigment as carbon black, and contains the mutually different colour of multiple color
Coloring pigment, such as red, yellow, blueness, so as to be formed as dark-coloured layers such as performance black.
Due to low reflection layer 6 by being formed with infrared ray transmission layer 8bL identical materials, so as to low reflection layer 6 and being decorated
The infrared ray transmission layer 8bL in portion 8 can be set in same process without increasing process number, therefore can not be added to originally real
Now make 5 unconspicuous construction of reflection conductive layer.
And in the case where being additionally provided with wiring 7, in order to use light shield layer 8a hidden wirings 7,7 phases of light shield layer 8a and wiring
Formation order for light-transmitting substrate 1 is by surface back side relative to when having used capacitive touch panel substrate 10
The limitation of the direction of beholder V or operator, but in the case where wiring 7 is without overlapping infrared ray transmission layer 8bL, infrared ray
Transmission layer 8bL and wiring 7 are not limited relative to the formation order of light-transmitting substrate 1 by as the situation of the light shield layer 8a
System.For example, after (a) can form low reflection layer 6 and light shield layer 8a at the same time, wiring 7 is formed on light shield layer 8a, is being hidden afterwards
Photosphere 8a infrared ray forms infrared ray transmission layer 8bL through window 8b part；Or it is opposite to that, (b) being capable of shape at the same time
Into after low reflection layer 6 and light shield layer 8a, infrared ray transmission layer 8bL is formed through window 8b part in light shield layer 8a infrared ray,
Wiring 7 is formed on light shield layer 8a afterwards.In this regard, by low reflection layer 6 by with infrared ray transmission layer 8bL identicals
In the form that material is formed, there is the advantages of free degree without prejudice to product design.
[coating 9]
Capacitive touch panel substrate 10 can include transparent coating 9 as Fig. 8 is enumerated.The figure is
It is form example that the superiors on the 1st face S1 face are formed using coating 9 as a face of light-transmitting substrate 1.The figure is relative
It is the form of additional coating 9 in Fig. 1 form, but coating 9 can also be added in other forms.Utilize coating 9, energy
Enough improve reliability.
Coating 9 can use known material and form method.For example, coating 9 is transparent resin, in heat resistance side
Face is preferably curable resin, can use thermosetting epoxy resin, ultraviolet hardening acrylic resin etc..Entering
In the case that row pattern is formed, it can be formed with photoetching process.
[C] display device：
Display device involved in the present invention is to comprise at least：Display panel, configuration are in the beholder side of the display panel
Above-mentioned capacitive touch panel substrate 10 display device.Below, in the form of representational 2 exemplified by said
It is bright.
《First embodiment》
The display device 100 involved in the present invention that Fig. 9 is enumerated is at least sequentially to include display panel 40；It is aobvious at this
Show that the beholder V sides of panel 40 include the touch panel 30 of above-mentioned capacitive touch panel substrate 10；Glass cover etc. is aobvious
The configuration example of the preceding surface protection board 50 of showing device.
Display panel 40 is typically liquid crystal display panel, electroluminescence (EL) panel, but can be Electronic Paper in addition
Display equipment or known various display panels involved by panel, Braun tube.
Touch panel 30 includes capacitive touch panel substrate 10, also includes to realize the control of touch panel function
Required device known to circuit processed, connector etc..
In this composition, due to being had with the display device that touch panel 30 is formed separately with preceding surface protection board 50
Form, therefore the composition of capacitive touch panel substrate 10 is that low reflection layer 6 is configured to relative to its reflection conductive layer 5
Close to beholder V direction.That is, reflect conductive layer 5 and low reflection layer 6 which apart from light-transmitting substrate 1 in thickness
Direction be located at remote position be it is arbitrary, a face of light-transmitting substrate 1 be the 1st face S1 in addition to the direction with rear side,
It can also be configured with the direction of face side.
Display device can use known structure with preceding surface protection board 50, such as by glass such as chemically reinforced glass
The resin plates such as plate, acrylic resin use as transparent matrix material, can use the central portion of the matrix material as aobvious
Show and use region, opaque ornamental portion 8 is decorated with the arbitrary color such as black and pattern with the peripheral part in region in the display
Structure.
As display device with preceding surface protection board 50, the touch panel 30 comprising capacitive touch panel substrate 10
In the case where position detection zone Ap peripheral part includes ornamental portion 8, ornamental portion 8 can be the composition omitted.
By the way that as such composition, the capacitive touch panel substrate 10 that touch panel 30 includes can be turned into
Connecting portion between transparency electrode unit is difficult to obvious display device.
《Second embodiment》
The display device 100 involved in the present invention that Figure 10 is enumerated is to comprise at least：Display panel 40；In the display surface
The beholder side of plate 40, which includes, is also used as above-mentioned electrostatic electricity of the display devices such as glass cover with the form of preceding surface protection board 50
The configuration example of the touch panel 30 of appearance formula touch panel substrate 10.
By the way that as such composition, in addition to the effect obtained by described Fig. 9 composition, number of devices can be obtained
Reduce, the effect of slimming.
In addition, it is identical material being formed at the wiring 7 of ornamental portion 8 and reflection conductive layer 5；Or make low reflection layer
6 be with the form of the identical material of ornamental portion 8, due to that can be set by identical without increasing process number in same process
Material formed layer each other, therefore can not be added to originally realize make 5 unconspicuous construction of reflection conductive layer.
《The presence of the resin beds such as adhesion sheet material》
For example, in the display device 100 involved by Fig. 8 institutes example illustrative embodiments, it is configured to comprising electrostatic capacitance
Between the touch panel 30 and display panel 40 of formula touch panel substrate 10 and before the touch panel 30 and display device use
There is space between surface protection board 50 and air layer be present, but in the display device 100 of the present invention, between each component parts
Resin bed it can also be filled known to adhering agent layer etc..Reduce the light reflection in parts surface using resin bed, so as to
Enough it is easier to see display clearly.
[D] purposes：
Capacitive touch panel substrate 10 involved in the present invention and the purposes of display device 100 do not limit especially
It is fixed.The e.g. personal digital assistant device such as the mobile phone such as smart phone, tablet PC, personal computer, vehicle navigator, digital phase
Mechanical, electrical sub- notepad, game machine, automatic machine, ATM terminals, POS terminal etc..
Claims (9)
1. a kind of capacitive touch panel substrate, has：
Light-transmitting substrate, there is the 2nd face of the 1st face and side opposite with the 1st face；
Multiple 1st directions transparency electrode unit, on any one face in the 1st face and the 2nd face of the light-transmitting substrate,
Arranged along the 1st direction；
1st direction connecting portion, by being formed at the same face with the 1st direction transparency electrode unit identical material, by the described 1st
Direction transparency electrode unit is connected to each other；
Multiple 2nd directions transparency electrode unit, it is same by being formed at the 1st direction transparency electrode unit identical material
Face, between the transparency electrode unit of the 1st direction, and between the 1st direction connecting portion, with the described 1st
The 2nd direction arrangement that direction intersects；
2nd direction connecting portion, the 2nd direction transparency electrode unit is connected to each other, connected by insulating barrier and the 1st direction
Socket part insulate, and includes reflection conductive layer；And
Low reflection layer, it is 10% to have according to the Y value in the standard sources C of International Commission on Illumination's CIE defineds Yxy chromatic diagrams
Following low reflectivity, when from the direction viewing vertical with one face of the light-transmitting substrate, led with the reflection
At least a portion of electric layers is overlapping,
In the periphery for the position detection zone for being arranged with the 1st direction transparency electrode unit and the 2nd direction transparency electrode unit
There is ornamental portion on one face of portion, described light-transmitting substrate,
The ornamental portion has infrared ray transmission layer, and the infrared ray transmission layer forms the infrared ray that permeability is shown for infrared light
Through window,
The low reflection layer is formed by the infrared ray transmission layer identical material with the ornamental portion.
2. capacitive touch panel substrate as claimed in claim 1, the low reflection layer and the reflection conductive layer
Lap area be it is described reflection conductive layer area more than 30%.
3. capacitive touch panel substrate as claimed in claim 1 or 2, from one with the light-transmitting substrate
The outer contour shape of low reflection layer when the vertical direction in face is watched, the foreign steamer for reflecting conductive layer is included in inner side
Profile shape.
4. capacitive touch panel substrate as claimed in claim 1 or 2, it is being arranged with the 1st direction transparency electrode
One face of peripheral part, the described light-transmitting substrate of the position detection zone of unit and the 2nd direction transparency electrode unit
It is upper that there is wiring,
The reflection conductive layer with the wiring identical material by forming.
5. capacitive touch panel substrate as claimed in claim 1 or 2, the low reflection layer is in thickness direction, relatively
The light-transmitting substrate side is formed in the reflection conductive layer.
6. capacitive touch panel substrate as claimed in claim 5, it is conductive that the low reflection layer is formed at the reflection
Between property layer and the light-transmitting substrate.
7. capacitive touch panel substrate as claimed in claim 1 or 2, the light-transmitting substrate with one face
The face of opposite side plays function as the input face of touch panel.
8. capacitive touch panel substrate as claimed in claim 1 or 2, the low reflection layer is in thickness direction, with institute
Reflection conductive layer is stated compared to being formed at from the remote side of the distance of the light-transmitting substrate.
9. a kind of display device, comprising：
Display panel；
Configure the capacitive touch face described in any one in the claim 1 to 8 of the beholder side of the display panel
Plate substrate.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012124210 | 2012-05-31 | ||
| JP2012-124210 | 2012-05-31 | ||
| JP2013031822 | 2013-02-21 | ||
| JP2013-031822 | 2013-02-21 | ||
| PCT/JP2013/064103 WO2013179955A1 (en) | 2012-05-31 | 2013-05-21 | Capacitive touch panel substrate and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104350450A CN104350450A (en) | 2015-02-11 |
| CN104350450B true CN104350450B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380028127.8A Active CN104350450B (en) | 2012-05-31 | 2013-05-21 | Capacitive touch panel substrate and display device |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP5869007B2 (en) |
| KR (1) | KR102186807B1 (en) |
| CN (1) | CN104350450B (en) |
| TW (1) | TWI559199B (en) |
| WO (1) | WO2013179955A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6398624B2 (en) * | 2014-11-06 | 2018-10-03 | Tdk株式会社 | Transparent conductor and touch panel |
| WO2017149680A1 (en) * | 2016-03-01 | 2017-09-08 | 三菱電機株式会社 | Electrostatic capacitance touch panel |
| KR102464846B1 (en) * | 2016-03-14 | 2022-11-09 | 삼성디스플레이 주식회사 | Method of assembling display device and the display device assembled thereby |
| KR102361068B1 (en) * | 2016-12-02 | 2022-02-09 | 알프스 알파인 가부시키가이샤 | Transparent electrode member, method for producing same, and capacitive sensor using said transparent electrode member |
| CN106873835B (en) * | 2017-02-23 | 2020-05-05 | 武汉华星光电技术有限公司 | Touch panel, manufacturing method thereof and touch display screen |
| CN108241456B (en) * | 2018-02-01 | 2021-07-27 | 业成科技（成都）有限公司 | Touch sensing module, manufacturing method thereof and touch display panel applying same |
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- 2013-05-21 JP JP2013556913A patent/JP5869007B2/en active Active
- 2013-05-21 CN CN201380028127.8A patent/CN104350450B/en active Active
- 2013-05-21 WO PCT/JP2013/064103 patent/WO2013179955A1/en active Application Filing
- 2013-05-21 KR KR1020147028602A patent/KR102186807B1/en active IP Right Grant
- 2013-05-28 TW TW102118792A patent/TWI559199B/en active
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2014
- 2014-12-02 JP JP2014244407A patent/JP2015084238A/en active Pending
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| CN102473049A (en) * | 2009-07-31 | 2012-05-23 | 夏普株式会社 | Electrode substrate, method for manufacturing electrode substrate and image display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2013179955A1 (en) | 2016-01-18 |
| KR20150027039A (en) | 2015-03-11 |
| CN104350450A (en) | 2015-02-11 |
| TWI559199B (en) | 2016-11-21 |
| JP5869007B2 (en) | 2016-02-24 |
| KR102186807B1 (en) | 2020-12-04 |
| JP2015084238A (en) | 2015-04-30 |
| WO2013179955A1 (en) | 2013-12-05 |
| TW201403436A (en) | 2014-01-16 |
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