CN101751192A - Touch-control panel - Google Patents
Touch-control panel Download PDFInfo
- Publication number
- CN101751192A CN101751192A CN200910263686A CN200910263686A CN101751192A CN 101751192 A CN101751192 A CN 101751192A CN 200910263686 A CN200910263686 A CN 200910263686A CN 200910263686 A CN200910263686 A CN 200910263686A CN 101751192 A CN101751192 A CN 101751192A
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- China
- Prior art keywords
- contact panel
- sensor pad
- projections
- sensor
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
The invention relates to a touch-control panel which comprises a base plate and a plurality of sensing pads. The plurality of sensing pads are arranged on the base plate, wherein two adjacent sensing pads are parallel and are arranged opposite to each other; and each sensing pad comprises a middle part and a plurality of projection parts. The middle part is provided with a plurality of side edges, and the plurality of projection parts extend outwards from the plurality of side edges of the middle part. The projection parts between the side edges of two adjacent sensing pads are staggered. The distances of any two adjacent sensing pads are equal.
Description
[technical field]
The present invention relates to a kind of contact panel, and particularly relates to a kind of contact panel with good show uniformity and touch-control sensitivity.
[background technology]
Known touch-control display module is that contact panel and display panel are integrated mostly.Contact panel roughly can be divided into contact panels such as resistance-type, condenser type, infrared-type and ultrasonic formula, is modal product with electric resistance touch-control panel and capacitance type touch-control panel wherein.And, therefore be subjected to the favor in market gradually because the touch-control display module can provide more humane operator scheme.
Fig. 1 is a kind of local schematic top plan view of known contact panel.Please refer to Fig. 1, contact panel 100 comprises substrate 102 and a plurality of sensor pad 110.A plurality of sensor pads 110 are disposed on the substrate 102 and an apart gap S.In addition, contact panel 100 for example also comprises many connecting line (not shown)s that connect a plurality of sensor pads 110, so that signal is passed to each sensor pad 110.For instance, as user during with finger touches contact panel 100, in the position that the user touched, the sensor pad 110 of part can and finger form an electric capacity, thereby cause the variation of signal.
Yet, because sensor pad 110 is different with the light penetration rate of substrate 100, therefore between a plurality of sensor pads 110 linearly the gap S of shape can make contact panel 100 produce the phenomenon that shows inequalities (Mura).That is to say that when the user viewed and admired the touch control display apparatus that uses contact panel 100, quality of display pictures was not good.
To this, Chinese patent application publication number CN101131492 has proposed a kind of method of improving the contact panel show uniformity, and it mainly is that the graphoid case is set between two adjacent sensor pads.In addition, Chinese patent application publication number CN101126969 has then proposed a kind of capacitance type touch-control panel, and it has polygonal sensor pad design.Yet Chinese patent application publication number CN101131492 needs higher craft precision, and Chinese patent application publication number CN101126969 also can't effectively solve the problem of above-mentioned demonstration inequality.
Hence one can see that, how to improve the show uniformity of contact panel 100, and real is the current problem to be solved that has.
[summary of the invention]
The invention provides a kind of contact panel, have good show uniformity and touch-control sensitivity.
The present invention proposes a kind of contact panel, comprises substrate and a plurality of sensor pad.A plurality of sensor pads are disposed on the substrate, and two wherein adjacent sensor pads are parallel and relative arrangements, and each sensor pad comprises center section and a plurality of projection.Center section has a plurality of sides, and a plurality of projection is stretched out by a plurality of sides of center section.A plurality of projections between two sides in two adjacent sensor pads are interconnected.Distance between any two adjacent sensor pads equates.
In an embodiment of the present invention, the shape of above-mentioned a plurality of projections is identical.
In an embodiment of the present invention, above-mentioned each sensor pad further comprises a plurality of recessed portions.A plurality of recessed portions are inwardly concaved by a plurality of sides of center section, and a plurality of projections of each sensor pad and a plurality of recessed portion are for alternately arranging.
In an embodiment of the present invention, the shape of above-mentioned a plurality of projections is identical, and the shape of a plurality of recessed portions is identical.
In an embodiment of the present invention, the center section of above-mentioned each sensor pad is rhombus or square.
In an embodiment of the present invention, a plurality of projections of above-mentioned each sensor pad comprise rectangle, triangle, trapezoidal or circular arc.
In an embodiment of the present invention, the distance between above-mentioned any two these adjacent a plurality of sensor pads is about 30～50 microns.
In an embodiment of the present invention, the quantity of a plurality of projections of above-mentioned each sensor pad is identical.
In an embodiment of the present invention, the material of above-mentioned a plurality of sensor pads is a transparent conductive material.Transparent conductive material comprises indium tin oxide or indium-zinc oxide.
Based on foregoing, the sensor pad of contact panel of the present invention is provided with a plurality of projections, make that the edge of touch pad is a zigzag, and a plurality of projection is interconnected.Thus, the user can produce the dimness of vision and more can not see the phenomenon that shows inequality when using contact panel.Because the distance between any two touch pads equates that therefore the capacitance of contact panel of the present invention is comparatively average.And because projection has increased the area of touch pad, therefore contact panel of the present invention can have good touch-control sensitivity.In addition, touch control display apparatus of the present invention has above-mentioned contact panel, therefore can have good display effect.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended diagram to be described in detail below.
[description of drawings]
Fig. 1 is a kind of local schematic top plan view of known contact panel.
Fig. 2 is the local schematic top plan view of the contact panel in the first embodiment of the invention.
Fig. 3 is the local schematic top plan view of the contact panel in the second embodiment of the invention.
Fig. 4 is the local schematic top plan view of the contact panel in the third embodiment of the invention.
Fig. 5 is the local schematic top plan view of the contact panel in the fourth embodiment of the invention.
Fig. 6 A is the local schematic top plan view of contact panel shown in Figure 1, and wherein Fig. 6 A is contained more sensor pad than Fig. 1.
Fig. 6 B is the local schematic top plan view of contact panel shown in Figure 4, and wherein Fig. 6 B is contained more sensor pad than Fig. 4.
Fig. 7 is for using the touch control display apparatus synoptic diagram of the contact panel among the present invention.
[embodiment]
First embodiment
Fig. 2 is the local schematic top plan view of the contact panel in the first embodiment of the invention.Please refer to Fig. 2, contact panel 200a comprises substrate 202 and a plurality of sensor pad 210a.In the present embodiment, substrate 202 for example is rigid transparency carriers such as glass substrate.In other embodiments, substrate 202 also can be plastic transparent substrate or other bendable transparency carrier.The material of sensor pad 210a can be transparent conductive material, for example: indium tin oxide, indium-zinc oxide or other suitable transparent conductive materials.
A plurality of sensor pad 210a are disposed on the substrate 202, and two wherein adjacent sensor pads are parallel and relative arrangements, and each sensor pad 210a comprises center section 212 and a plurality of projection 214a.Center section 210a has a plurality of sides 215, and a plurality of projection 214a is stretched out by a plurality of sides 215 of center section 212.In contact panel 200a, the center section 212 of each sensor pad 210a is rhombus or square, but the invention is not restricted to this.In other embodiments, the center section 212 of each sensor pad 210a also can be other suitable shapes.
In two adjacent sensor pad 210a, a plurality of projection 214a between two parallel to each other and relative sides 215 are interconnected.That is to say that between two parallel to each other and relative sides 215, the projection 214a that is protruded by side 215 wherein can face another side 215.
In contact panel 200a, each sensor pad 210a has the projection 214a of equal number, and a plurality of projection 214a is of similar shape, for example: rectangle.A plurality of projection 214a protrude from the side 215 of each sensor pad 210a, make the edge of each sensor pad 210a form jagged pattern.Thus, when the user when watching contact panel 200a, the gap S that the user saw can bending also just produces sand-blind effect along with the jagged edge of sensor pad 210a.Therefore, compared to known contact panel 100, the user can not see that more contact panel 200a goes up the problem that shows inequality.
Because the area of each sensor pad 210a is the summation of center section 212 and a plurality of projection 214a, so the sensor pad 210a area of present embodiment can be greater than known sensor pad area.Thus, when the user touched contact panel 200a, upward the capacitance variations of the sensor pad 210a of touch position can be comparatively obvious for contact panel 200a.That is to say that compared to known contact panel 100, the contact panel 200a of present embodiment can have preferable touch-control sensitivity.
In the present embodiment, a plurality of projection 214a are of similar shape and area, and between each projection 214a and its opposed side edges 215 are identical apart from S.Briefly, between any adjacent two sensor pad 210a apart from S for equating.In the present embodiment, be about 30～50 microns apart from S between any two adjacent sensor pad 210a.Since among the contact panel 200a between any two adjacent sensor pad 210a apart from S for equating, so the distribution ratio of the capacitance on the contact panel 200a more can not be subjected to projection 214a and influences.That is to say the capacitance quite stable that last each the sensor pad 210a of contact panel 200a can form and even.
In addition, for example also be provided with many on the contact panel 200a in order to be electrically connected the connecting line (not shown) of sensor pad 210a, this part can optionally design different electric connection mode.For instance, contact panel 200a can be a kind of capacitance type touch-control panel or electric resistance touch-control panel.On the other hand, contact panel 200a can also be the contact panel design of one plane type or two plane type.Those of ordinary skills should understand principle of operation and the configuration of other member of contact panel 200a, just repeat no more herein.
Second embodiment
Fig. 3 is the local schematic top plan view of the contact panel in the second embodiment of the invention.Please refer to Fig. 3, contact panel 200b has most of member of contact panel 200a, and wherein identical member represents with identical label, below no longer repeats.
The main difference part of contact panel 200b and contact panel 200a is that in contact panel 200b, the included a plurality of projection 214b of each sensor pad 210b are all triangle.At this moment, between two adjacent sensor pad 210b apart from S, be between the side 217 of two adjacent projection 214b apart from S.
Similarly, because the edge of each sensor pad 210b is a zigzag, and a plurality of projection 214b between two parallel to each other and adjacent sides 215 are interconnected, make the user produce sand-blind effect, so contact panel 200b can effectively improve the problem that shows inequality.Moreover, owing to be identical apart from S between any two adjacent sensor pad 210b, so the capacitance on the contact panel 200b distributes and will evenly stablize.And because projection 214b can increase the area of sensor pad 210b, so contact panel 200b can have preferable touch-control sensitivity.
The 3rd embodiment
Fig. 4 is the local schematic top plan view of the contact panel in the third embodiment of the invention.Please refer to Fig. 4, contact panel 200c has most of member of contact panel 200a, and wherein identical member represents with identical label, below no longer repeats.
The main difference part of contact panel 200c and contact panel 200a is that in contact panel 200c, the included a plurality of projection 214c of each sensor pad 210c that are disposed on the substrate 202 are all trapezoidal.Based on identical reason, contact panel 200c can reach all technology effects of above-mentioned contact panel 200a or 200b.
The 4th embodiment
Fig. 5 is the local schematic top plan view of the contact panel in the fourth embodiment of the invention.Please refer to Fig. 5, contact panel 200d has most of member of contact panel 200a, and wherein identical member represents with identical label, and followingly no longer repeats.
A plurality of sensor pad 210d of contact panel 200d have the projection 214d of a plurality of circular arcs respectively.Particularly, each sensor pad 210d further comprises a plurality of recessed portion 216d.A plurality of recessed portion 216d are inwardly concaved by a plurality of sides 215 of center section 212, and a plurality of projection 214d of each sensor pad 210d and a plurality of recessed portion 216d are for alternately arranging.In addition, a plurality of recessed portion 216d for example also are all circular arc.Yet only for illustrating, the present invention does not limit the shape or the quantity of projection or recessed portion herein, and those of ordinary skills should optionally be changed.
Above-mentioned contact panel 200a, 200b, sensor pad 210a, 210b, 210c, 210d among 200c, the 200d are provided with a plurality of projection 214a, 214b, 214c, 214d, make that sensor pad 210a, 210b, 210c, 210d edge are that zigzag produces sand-blind effect, and then improve the problem that shows inequality.And, between any two adjacent sensor pad 210a, 210b, 210c, the 210d apart from S for equating, so contact panel 200a, 200b, 200c, 200d can have good capacitance and distribute.Moreover because projection 214a, 214b, 214c, 214d have increased the area of sensor pad 210a, 210b, 210c, 210d respectively, so contact panel 200a, 200b, 200c, 200d can have preferable touch-control sensitivity.In addition, what deserves to be mentioned is that contact panel of the present invention is made quite easily, the light shield design that only need change sensor pad a little can be made above-mentioned contact panel 200a, 200b, 200c, 200d, does not need to change production method originally.
Reached sand-blind effect by clearly demonstrating the present invention, below special will known contact panel arranged side by side so that understanding with contact panel of the present invention.
Fig. 6 A is the local schematic top plan view of contact panel shown in Figure 1, and wherein Fig. 6 A is contained more sensor pad than Fig. 1.Fig. 6 B is the local schematic top plan view of contact panel shown in Figure 4, and wherein Fig. 6 B is contained more sensor pad than Fig. 4.By Fig. 6 A and Fig. 6 B as can be known, be compared to known contact panel 100, contact panel 200c of the present invention can produce sand-blind effect, shows uneven problem thereby improve.
Fig. 7 is for using the touch control display apparatus synoptic diagram of contact panel of the present invention.Please refer to Fig. 7, touch control display apparatus 300 comprises display panel 310 and contact panel 320, and wherein contact panel 320 is disposed on the display panel 310.In the touch control display apparatus 300 of present embodiment, display panel 310 for example is display panels, plasma display or organic EL display panel.For example, when display panel 310 was display panels, display panels comprised penetrate through type liquid crystal display board, reflecting type liquid crystal display panel, half-penetration reflecting type liquid crystal display panel and other forms of display panels.
In the embodiment that Fig. 7 drew, contact panel 320 for example be among contact panel 200a, 200b, 200c or the 200d in the foregoing description wherein any one.Because contact panel 200a, 200b, 200c or 200d can reach above-mentioned sand-blind effect and have bigger sensor pad area, so touch control display apparatus 300 can have good show uniformity and touch-control sensitivity.That is to say that touch control display apparatus 300 can have good display effect and handling.
In sum, the sensor pad of contact panel of the present invention is provided with interconnected a plurality of projections, makes that the edge of sensor pad is that zigzag produces the dimness of vision.That is to say that the user more can not see the phenomenon that shows inequality.Moreover, because the distance between any two touch pads is for equating that therefore the capacitance on the contact panel of the present invention is quite on average stablized.Moreover because projection can increase the sensor pad area, therefore contact panel of the present invention can have preferable touch-control sensitivity.In addition, contact panel of the present invention is made quite easily, can cause manufacturing cost to increase hardly.Touch control display apparatus of the present invention has above-mentioned contact panel, therefore can have good display effect.
Though the present invention discloses as above with embodiment; but it is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the present invention; when the change that can do some and retouching, so protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.
Claims (10)
1. contact panel comprises:
One substrate;
A plurality of sensor pads are disposed on this substrate, and two adjacent sensor pads are parallel and relative arrangements, and respectively this sensor pad comprises:
One center section has a plurality of sides; And
A plurality of projections are stretched out by these a plurality of sides of this center section,
Wherein, these a plurality of projections between these a plurality of sides in two these adjacent a plurality of sensor pads are interconnected, and the distance between any two these adjacent a plurality of sensor pads equates.
2. contact panel as claimed in claim 1 is characterized in that: the shape of these a plurality of projections is identical.
3. contact panel as claimed in claim 1, it is characterized in that: respectively this sensor pad further comprises a plurality of recessed portions, these a plurality of recessed portions are inwardly concaved by these a plurality of sides of this center section, and respectively these a plurality of projections of this sensor pad are alternately arrangement with these a plurality of recessed portions.
4. contact panel as claimed in claim 3 is characterized in that: the shape of these a plurality of projections is identical, and the shape of these a plurality of recessed portions is identical.
5. contact panel as claimed in claim 1 is characterized in that: respectively this center section of this sensor pad is rhombus or square.
6. contact panel as claimed in claim 1 is characterized in that: respectively a plurality of projections of this of this sensor pad comprise rectangle, triangle, trapezoidal or circular arc.
7. contact panel as claimed in claim 1 is characterized in that: the distance between any two these adjacent a plurality of sensor pads is 30～50 microns.
8. contact panel as claimed in claim 1 is characterized in that: respectively the quantity of a plurality of projections of this of this sensor pad is identical.
9. contact panel as claimed in claim 1 is characterized in that: the material of these a plurality of sensor pads is a transparent conductive material.
10. contact panel as claimed in claim 9 is characterized in that: this transparent conductive material comprises indium tin oxide or indium-zinc oxide.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102636862A CN101751192B (en) | 2009-12-15 | 2009-12-15 | Touch-control panel |
| PCT/CN2010/070266 WO2011072499A1 (en) | 2009-12-15 | 2010-01-20 | Touch control panel |
| US12/868,743 US20110141039A1 (en) | 2009-12-15 | 2010-08-26 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102636862A CN101751192B (en) | 2009-12-15 | 2009-12-15 | Touch-control panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101751192A true CN101751192A (en) | 2010-06-23 |
| CN101751192B CN101751192B (en) | 2011-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102636862A Active CN101751192B (en) | 2009-12-15 | 2009-12-15 | Touch-control panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101751192B (en) |
| WO (1) | WO2011072499A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375596A (en) * | 2010-08-19 | 2012-03-14 | 三星移动显示器株式会社 | Touch screen panel |
| CN102467270A (en) * | 2010-11-02 | 2012-05-23 | 南京中铼光电有限公司 | Touch control panel and touch control sensing pad |
| CN102654806A (en) * | 2011-08-31 | 2012-09-05 | 北京京东方光电科技有限公司 | Touch control panel and manufacturing method thereof |
| CN103049145A (en) * | 2011-10-14 | 2013-04-17 | 晨星软件研发(深圳)有限公司 | Mutual capacitive touch induction device and electronic system containing same |
| CN103309494A (en) * | 2012-03-13 | 2013-09-18 | 瑞鼎科技股份有限公司 | Electrode unit on touch sensing element |
| CN103713789A (en) * | 2012-10-04 | 2014-04-09 | 三星电子株式会社 | Touch panel comprising sensing electrodes with protrusions |
| CN111752422A (en) * | 2020-05-08 | 2020-10-09 | 浙江鑫柔科技有限公司 | Electrode for touch panel, touch panel comprising same and terminal equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102425832B1 (en) | 2017-06-05 | 2022-07-29 | 삼성디스플레이 주식회사 | Touch panel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI271645B (en) * | 2005-04-19 | 2007-01-21 | Elan Microelectronics Corp | Capacitive touchpad with a physical key function |
| TW200805128A (en) * | 2006-05-05 | 2008-01-16 | Harald Philipp | Touch screen element |
| CN100495139C (en) * | 2007-10-10 | 2009-06-03 | 友达光电股份有限公司 | Touching control panel and its manufacturing method |
| CN101126969A (en) * | 2007-10-11 | 2008-02-20 | 友达光电股份有限公司 | Low coupling capacitor condenser type touch control board |
| CN101470552A (en) * | 2007-12-26 | 2009-07-01 | 英业达股份有限公司 | Hand-hold apparatus with polygonal induction zone |
| CN101359265B (en) * | 2008-09-10 | 2012-07-04 | 友达光电股份有限公司 | Touching control panel, display and method for making the touching control panel |
| CN101408825B (en) * | 2008-11-12 | 2010-07-21 | 友达光电股份有限公司 | Capacitance touching control panel and detection method thereof |
-
2009
- 2009-12-15 CN CN2009102636862A patent/CN101751192B/en active Active
-
2010
- 2010-01-20 WO PCT/CN2010/070266 patent/WO2011072499A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375596A (en) * | 2010-08-19 | 2012-03-14 | 三星移动显示器株式会社 | Touch screen panel |
| US8698767B2 (en) | 2010-08-19 | 2014-04-15 | Samsung Display Co., Ltd. | Touch screen panel |
| CN102467270A (en) * | 2010-11-02 | 2012-05-23 | 南京中铼光电有限公司 | Touch control panel and touch control sensing pad |
| CN102654806A (en) * | 2011-08-31 | 2012-09-05 | 北京京东方光电科技有限公司 | Touch control panel and manufacturing method thereof |
| CN103049145A (en) * | 2011-10-14 | 2013-04-17 | 晨星软件研发(深圳)有限公司 | Mutual capacitive touch induction device and electronic system containing same |
| CN103309494A (en) * | 2012-03-13 | 2013-09-18 | 瑞鼎科技股份有限公司 | Electrode unit on touch sensing element |
| CN103713789A (en) * | 2012-10-04 | 2014-04-09 | 三星电子株式会社 | Touch panel comprising sensing electrodes with protrusions |
| CN103713789B (en) * | 2012-10-04 | 2017-11-28 | 三星电子株式会社 | Include the touch panel of the sensing electrode with projection |
| CN111752422A (en) * | 2020-05-08 | 2020-10-09 | 浙江鑫柔科技有限公司 | Electrode for touch panel, touch panel comprising same and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101751192B (en) | 2011-07-20 |
| WO2011072499A1 (en) | 2011-06-23 |
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