CN105335035B - A kind of capacitive touch screen with key-press backlight source - Google Patents
A kind of capacitive touch screen with key-press backlight source Download PDFInfo
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- CN105335035B CN105335035B CN201510908127.8A CN201510908127A CN105335035B CN 105335035 B CN105335035 B CN 105335035B CN 201510908127 A CN201510908127 A CN 201510908127A CN 105335035 B CN105335035 B CN 105335035B
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- key
- reflecting layer
- touch screen
- capacitive touch
- backlight source
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Abstract
The invention discloses a kind of capacitive touch screen with key-press backlight source,The base material of the capacitance plate functional sheet is using optical material and is used as light guide,The substrate upper surface is divided into electrode zone and key area,Guide-lighting region has been carved in the key area,The cover board lower surface is equipped with the first reflecting layer,First reflecting layer is equipped with transmission region,The flexible circuit board upper surface is equipped with the second reflecting layer,The view field of first reflecting layer and the second reflecting layer orthographic projection to substrate upper surface covers key area and with electrode zone without intersection,The view field of leaded light region orthographic projection to the cover board lower surface covers transmission region,Light emitting source is equipped with the side of the flexible circuit board upper surface,The present invention can produce the special construction different from conventional touch screen,Reduce key-press backlight source block,Touch-screen is set to realize key set light source control,Meet the cost of emerging market and personalized demand.
Description
Technical field
The present invention relates to touch screen technology field, more particularly to a kind of button to carry backlight, can control key light emitting
Capacitive touch screen.
Background technology
Since Iphone comes out, its magnificent appearance, novel mode of operation and comfortable feel, capacitive touch screen
Client's accreditation is obtained, such as mobile phone, media player, navigation system, digital camera, Digital Frame, PDA, game station, display
Device, electrical equipment control, Medical Devices etc. daily life every field are all visible.But it is accompanied by the application of capacitive touch screen
Popularization, under personalized and trend guiding, conventional capacitive-type touch-screen without can attract user especially to close too much
The features of novelty of note, the key set light source of conventional capacitive-type touch-screen as single part or is combined on mainboard, or combination is in liquid
On brilliant module, or it is attached on the touchscreen, complicated, cost of manufacture is high, as shown in Figure 1, the button of conventional capacitive-type touch-screen
Light source part 14 is single part.
The content of the invention
The present invention provides a kind of capacitive touch screen with key-press backlight source, the purpose is to by traditional capacitance touch
The key part of screen, the guide-lighting design of increase backlight, realizes autonomous control key set light source, reduces single key-press backlight component,
Meets the needs of market cost control requirement and personalization.
In order to realize the above object the present invention provides technical solution be：A kind of capacitive touch with key-press backlight source
Screen, including cover board, capacitance plate functional sheet and flexible circuit board are touched, the cover board is covered in above capacitance plate functional sheet, in electricity
Hold and the flexible circuit board is set below screen functional sheet, the base material of the capacitance plate functional sheet is using optical material and as guide-lighting
Part, the substrate upper surface are divided into electrode zone and key area, and guide-lighting region, the lid have been carved in the key area
Plate lower surface is equipped with the first reflecting layer, and first reflecting layer is equipped with transmission region, and the flexible circuit board upper surface is equipped with the
The view field of two reflecting layer, first reflecting layer and the second reflecting layer orthographic projection to substrate upper surface covers key area
And transmission region is covered without intersection, the view field of leaded light region orthographic projection to the cover board lower surface with electrode zone,
The side of the flexible circuit board upper surface is equipped with light emitting source.
Further, the flexible circuit board is integrated with touch drive circuit and control circuit for light source, the light source control
Circuit processed is used to control light emitting source to shine.The structure can realize the autonomous control of key set light source, and can save cost of manufacture.
Further, button printing layer is further included, the button printing layer includes at least one button and touches capacitance, described
Button, which touches capacitance, includes main electrode and sub-electrode, and the sub-electrode is arranged on the periphery of main electrode, and the main electrode surrounds one
A leaded light region.This structure is taken, is that to touch capacitance positions corresponding in order to ensure guide-lighting region and button, thus can be with
Button is prompted to touch the position of capacitance by guide-lighting region.
Further, the guide-lighting region is the pattern unit of the point-like or wire come out by Laser sculpting.
Laser sculpting pattern is easier to realize, and the pattern unit of point-like or wire can be that light source is uniformly directed to cover board
Front.
Further, first reflecting layer with the second reflecting layer is formed by printing white or light tone ink.Only
The printing ink in flexible circuit board and cover board is needed to realize emitting structural, it is not necessary to emitting structural is provided separately.
Further, the base material uses PET optical materials.The material can meet that guide-lighting requirement can also meet capacitance plate work(
Can requirement of the piece to base material.
Further, the light emitting source is light emitting diode.Light emitting diode, power is small, shines big, easy to control.
Compared with prior art, the beneficial effects of the invention are as follows：The special construction different from conventional touch screen can be produced,
Reduce key-press backlight source block, touch-screen is realized key set light source control, meet cost and the personalization of emerging market
Demand.
Illustrate attached drawing
The key-press backlight source structure schematic diagram of the existing touch-screens of Fig. 1；
The structure diagram of Fig. 2 present invention；
Capacitance plate functional sheet structure diagram in Fig. 3 present invention；
Wherein, 1 capacitance plate functional sheet of cover board, 2 flexible circuit board, 3 base material, 4 electrode zone, 5 key area 6
8 second reflecting layer of guide-lighting 7 first reflecting layer of region, 9 light emitting source, 10 button printing layer, 11 main electrode, 12 sub-electrode
13 key-press backlight source blocks 14.
Embodiment
With reference to the accompanying drawings, the embodiment of the present invention is specifically described；
A kind of capacitive touch screen with key-press backlight source of embodiment 1, including cover board 1, capacitance plate functional sheet 2 and soft
Property wiring board 3, the cover board 1 is covered in the top of capacitance plate functional sheet 2 by silica gel, institute set below capacitance plate functional sheet 2
Flexible circuit board 3 is stated, wherein, the capacitance plate functional sheet 2 is to be bonded together by single or multiple lift electrode layer by glue material, electricity
Pole layer is that tin indium oxide is plated on base material, and the cover board 1 can be various materials, the above known to tempered glass, PC, PMMA etc.
It is existing knowledge, improvement of the invention is, as shown in Fig. 2, the base material 4 of the capacitance plate functional sheet 2 uses optical material
And it is used as light guide, it is preferred that the base material 4 uses PET optical materials, and 4 upper surface of base material is divided into 5 He of electrode zone
Key area 6, has carved guide-lighting region 7 in the key area 6, and the base material 4 refers in capacitance plate functional sheet close to lid
The base material of plate, 1 lower surface of cover board are equipped with the first reflecting layer 8, and first reflecting layer 8 is equipped with transmission region, the flexibility
3 upper surface of wiring board is equipped with the second reflecting layer 9,8 and second reflecting layer of the first reflecting layer, 9 orthographic projection to 4 upper surface of base material
View field cover key area 6 and with electrode zone 5 without intersection, leaded light 7 orthographic projection of region to 2 lower surface of cover board
View field cover transmission region, be equipped with light emitting source 10, the flexible wires in the side of 3 upper surface of flexible circuit board
Road plate 3 is integrated with touch drive circuit and control circuit for light source, and the control circuit for light source is used to control light emitting source 10 to shine,
Preferably, the light emitting source 10 is light emitting diode.
The leaded light region 7 is the pattern unit of the point-like or wire come out by Laser sculpting.Laser technology
Depiction is easier to realize, and the pattern unit of point-like or wire can be that light source is uniformly directed to cover board front.
First reflecting layer 8 with the second reflecting layer 9 is formed by printing white or light tone ink.Only need soft
Property wiring board and cover board on printing ink can realize catoptric arrangement, it is not necessary to catoptric arrangement is provided separately.
Under normal circumstances, capacitive touch screen includes button printing layer 11, and the button printing layer 11 is arranged on button
In region 6, the button printing layer 11 includes at least one button and touches capacitance, and the button, which touches capacitance, includes main electrode 12
It is the prior art above with sub-electrode 13, the present invention is based on above-mentioned technical proposal, and improvement is, the sub-electrode 13 is set
In the periphery of main electrode 12, the main electrode 12 surrounds a guide-lighting region 7.Specifically, as shown in figure 3, the button prints
Layer 11 includes three buttons and touches capacitance；It is corresponding, there are three guide-lighting regions on base material；With three guide-lighting regions pair
Should, there are three transmission regions on cover board.
It will be appreciated that：The above embodiment has done more detailed word description to the thinking that is related to of the present invention, but
It is these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than the limit to mentality of designing of the present invention
System, any combination without departing from mentality of designing of the present invention, increase or modification, each fall within protection scope of the present invention.
Claims (7)
1. a kind of capacitive touch screen with key-press backlight source, including cover board, capacitance plate functional sheet and flexible circuit board, described
Cover board is covered in above capacitance plate functional sheet, the flexible circuit board is set below capacitance plate functional sheet, it is characterised in that institute
The base material of capacitance plate functional sheet is stated using optical material and is used as light guide, the substrate upper surface is divided into electrode zone and button
Region, has carved guide-lighting region in the key area, and the cover board lower surface is equipped with the first reflecting layer, first reflection
Layer is equipped with transmission region, and the flexible circuit board upper surface is equipped with the second reflecting layer, first reflecting layer and the second reflecting layer
The view field of orthographic projection to substrate upper surface covers key area and is just thrown without intersection, the leaded light region with electrode zone
The view field of shadow to cover board lower surface covers transmission region, is equipped with and shines in the side of the flexible circuit board upper surface
Source.
A kind of 2. capacitive touch screen with key-press backlight source as claimed in claim 1, it is characterised in that the flexible circuitry
Plate is integrated with touch drive circuit and control circuit for light source, and the control circuit for light source is used to control light emitting source to shine.
3. a kind of capacitive touch screen with key-press backlight source as described in claim 1 or 2, including button printing layer, institute
State button printing layer and include at least one button and touch capacitance, it is characterised in that the button touch capacitance include main electrode and
Sub-electrode, the sub-electrode are arranged on the periphery of main electrode, and the main electrode surrounds a guide-lighting region.
4. a kind of capacitive touch screen with key-press backlight source as described in claim 1 or 2, it is characterised in that described to lead
Light region is the pattern unit of the point-like or wire come out by Laser sculpting.
5. a kind of capacitive touch screen with key-press backlight source as described in claim 1 or 2, it is characterised in that described the
One reflecting layer with the second reflecting layer is formed by printing white or light tone ink.
A kind of 6. capacitive touch screen with key-press backlight source as described in claim 1 or 2, it is characterised in that the base
Material uses PET optical materials.
A kind of 7. capacitive touch screen with key-press backlight source as described in claim 1 or 2, it is characterised in that the hair
Light source is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908127.8A CN105335035B (en) | 2015-12-09 | 2015-12-09 | A kind of capacitive touch screen with key-press backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908127.8A CN105335035B (en) | 2015-12-09 | 2015-12-09 | A kind of capacitive touch screen with key-press backlight source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105335035A CN105335035A (en) | 2016-02-17 |
| CN105335035B true CN105335035B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510908127.8A Active CN105335035B (en) | 2015-12-09 | 2015-12-09 | A kind of capacitive touch screen with key-press backlight source |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016067B (en) * | 2016-07-05 | 2019-03-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN107949147B (en) * | 2016-10-12 | 2020-11-03 | 中兴通讯股份有限公司 | Flexible circuit board and touch control equipment |
| CN106650607B (en) * | 2016-10-31 | 2019-01-29 | 维沃移动通信有限公司 | A kind of backing structure and electronic equipment of fingerprint mould group |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203909719U (en) * | 2014-06-17 | 2014-10-29 | �文玉 | Light-emitting transparent touchpad keyboard |
| CN104952659A (en) * | 2015-06-16 | 2015-09-30 | 苏州达方电子有限公司 | Backlight module and illuminating keyboard |
| CN205247364U (en) * | 2015-12-09 | 2016-05-18 | 南京华睿川电子科技有限公司 | Take capacitive touch screen of button backlight |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010062086A (en) * | 2008-09-05 | 2010-03-18 | Sunarrow Ltd | Light guide sheet, and key sheet using the same |
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2015
- 2015-12-09 CN CN201510908127.8A patent/CN105335035B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203909719U (en) * | 2014-06-17 | 2014-10-29 | �文玉 | Light-emitting transparent touchpad keyboard |
| CN104952659A (en) * | 2015-06-16 | 2015-09-30 | 苏州达方电子有限公司 | Backlight module and illuminating keyboard |
| CN205247364U (en) * | 2015-12-09 | 2016-05-18 | 南京华睿川电子科技有限公司 | Take capacitive touch screen of button backlight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105335035A (en) | 2016-02-17 |
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