CN105446568A - Capacitive touch screen on flexible printed circuit board with reflection coating - Google Patents
Capacitive touch screen on flexible printed circuit board with reflection coating Download PDFInfo
- Publication number
- CN105446568A CN105446568A CN201511027167.8A CN201511027167A CN105446568A CN 105446568 A CN105446568 A CN 105446568A CN 201511027167 A CN201511027167 A CN 201511027167A CN 105446568 A CN105446568 A CN 105446568A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- touch screen
- screen
- reflectance coating
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a capacitive touch screen on a flexible printed circuit board with a reflection coating, comprising a cover plate, a touch screen flexible printed circuit board, a touch screen function sheet, a first refection layer and a light guide plate; the cover plate, the touch screen function sheet, the first refection layer, the light guide plate and the touch screen flexible printed circuit board are stacked successively from top to bottom; a light source and a key light source flexible printed circuit board for controlling the light source are arranged at one side of the light guide plate; a second reflection layer is arranged on the upper surface of the touch screen flexible printed circuit board; the second reflection layer is located under the light guide plate; the second reflection layers in the key light source component of the general touch screen are reduced by arranging the touch screen flexible printed circuit board under the light guide plate and arranging the second reflection layer on the upper surface of the touch screen flexible printed circuit board; assembling technologies are also reduced; the cost is reduced; and the yield rate and efficiency of mass production are improved.
Description
Technical field
The present invention relates to the capacitive touch screen with reflectance coating in a kind of flexible circuit board, particularly relate to a kind of capacitive touch screen of integrating keys back light source structure, belong to touch screen technology field.
Background technology
Since Iphone comes out, its magnificent outward appearance, novel mode of operation and comfortable feel, capacitive touch screen obtains client's accreditation, as mobile phone, media player, navigational system, digital camera, digital album (digital photo frame), PDA, game station, display, electrical equipment control, Medical Devices etc. daily life every field all can be seen.But along with application universal of capacitive touch screen, under the guiding of personalized and trend, conventional capacitive-type touch-screen has not had the features of novelty that can attract user's special concern too much.
The key set light source assembly of conventional capacitive-type touch-screen, as single component, is combined on mainboard, or is combined in liquid crystal module, or on the touchscreen attached.As shown in Figure 1, conventional capacitive-type touch-screen, comprise cover plate 2, touch-screen flexible circuit board 1, touch screen function sheet 3, first reflection horizon 4, light guide plate 5 and the second reflection horizon 6, described cover plate 2, touch-screen flexible circuit board 1, touch screen function sheet 3, first reflection horizon 4, light guide plate 5 and the second reflection horizon 6 stack gradually from top to bottom, light emitting source 7 and the key set light source flexible circuit board 8 for controlling light emitting source 7 is provided with at a side of described light guide plate 5, wherein said key set light source flexible circuit board 8 is integrated with light emitting source control circuit, first reflection horizon 4 and the second reflection horizon 6 are the separate part in key set light source assembly, separate part causes manufacturing cost high, and increase assembling procedure, reduce yield and the efficiency of batch production.
Summary of the invention
The technical matters that the present invention solves is: in the key set light source assembly of existing conventional capacitive-type touch-screen, the second reflection horizon is as separate part, thus causes cost high, and increases assembling procedure, reduces yield and the efficiency of batch production.
In order to overcome the above problems, the invention provides a kind of technical scheme: with the capacitive touch screen of reflectance coating in a kind of flexible circuit board, comprise cover plate, touch-screen flexible circuit board, touch screen function sheet, first reflection horizon and light guide plate, described cover plate, touch screen function sheet, first reflection horizon, light guide plate and touch-screen flexible circuit board stack gradually from top to bottom, light emitting source and the key set light source flexible circuit board for controlling light emitting source is provided with at a side of described light guide plate, the upper surface of described touch-screen flexible circuit board is provided with the second reflectance coating, described second reflectance coating is placed in immediately below light guide plate.
Further, described second reflectance coating is formed by printing white or light tone ink at the upper surface of touch-screen flexible circuit board.Take this mode to be easy to realize, and cost is low, and other modes and material can certainly be selected to have carried out the second reflectance coating.
Further, described second reflectance coating orthogonal projection contains the view field of the first reflection horizon orthogonal projection to cover plate lower surface to the view field of cover plate lower surface.Take this structure mainly to ensure after being provided with the first reflectance coating, as far as possible the area of the second reflectance coating is greater than the first reflectance coating, to ensure the transmission region of enough light sources by the first emission layer, the transmission region of the first emission layer is prior art.
Further, described key set light source flexible circuit board and touch-screen flexible circuit board become one.Take this technology, touch-screen assembling space and packaging technology step can be reduced on the one hand thus reduce production cost, disposable production flexible circuit board meets light source control and touches drived control on the other hand, and do not need separately Production design, reduce costs, even optimized can carry out integrated light source control circuit and touch Drive and Control Circuit, reducing the necessary components and parts required for circuit, realize Based Intelligent Control light emitting source.
Further, described light emitting source is LED light emitting diode.LED light emitting diode, power is little, luminous large, is convenient to control.
Compared with prior art, the invention has the beneficial effects as follows: by touch-screen flexible circuit board being placed in the below of light guide plate, and be provided with the second reflectance coating at touch-screen flexible circuit board upper surface, thus the second reflection horizon decreased in the key set light source assembly of conventional touch screen, decrease packaging technology, reduce cost, improve yield and the efficiency of batch production.
Accompanying drawing explanation
Figure 1 shows that conventional capacitive-type touch screen structure schematic diagram;
Figure 2 shows that the touch-screen flexible circuit board in the present invention and key set light source flexible circuit board independently capacitive touch screen structure schematic diagram;
Figure 3 shows that touch-screen flexible circuit board in the present invention and key set light source flexible circuit board integrated after capacitive touch screen structure schematic diagram;
Figure 4 shows that the flexible circuit board integrated morphology schematic diagram in the present invention;
In Fig. 2,1, touch-screen flexible circuit board 2, cover plate 3, touch screen function sheet 4, first reflection horizon 5, light guide plate 66, second reflectance coating 7, light emitting source 8, key set light source flexible circuit board;
In Fig. 3,2, cover plate 3, touch screen function sheet 4, first reflection horizon 5, light guide plate 66, second reflectance coating 7, light emitting source 9, flexible circuit board;
In Fig. 4,10, in touch-screen flexible circuit board 1 for driving the tandem circuit chip (IC) for driving touch-screen and key-press backlight source light emitting diode in the integrated circuit (IC) chip of touch-screen (IC) 100, flexible circuit board 9.
Embodiment
By reference to the accompanying drawings, the specific embodiment of the present invention is described;
As shown in Figure 2, with the capacitive touch screen of reflectance coating in a kind of flexible circuit board, comprise cover plate 2, touch-screen flexible circuit board 1, touch screen function sheet 3, first reflection horizon 4 and light guide plate 5, wherein, described touch screen function sheet 3 is bonded together by glue material by single or multiple lift electrode layer, electrode layer plates tin indium oxide over the transparent substrate, described cover plate 2 can be tempered glass, PC, the known various material such as PMMA, described touch-screen flexible circuit board 1 is integrated with the flexible circuit board touching driving circuit, more than be existing knowledge, improvement of the present invention is, described cover plate 2, touch screen function sheet 3, first reflection horizon 4, light guide plate 5 and touch-screen flexible circuit board 1 stack gradually from top to bottom, light emitting source 7 and the key set light source flexible circuit board 8 for controlling light emitting source 7 is provided with at a side of described light guide plate 5, the upper surface of described touch-screen flexible circuit board 1 is provided with the second reflectance coating 66, described second reflectance coating 66 is placed in immediately below light guide plate 5.
Preferably, described second reflectance coating 6 is formed by printing white or light tone ink at the upper surface of touch-screen flexible circuit board 1.Take this mode to be easy to realize, and cost is low, and other modes and material can certainly be selected to have carried out the second reflectance coating.
Preferably, described second reflectance coating 6 orthogonal projection contains the view field of the first reflection horizon 4 orthogonal projection to cover plate 2 lower surface to the view field of cover plate 2 lower surface.Take this structure mainly to ensure after being provided with the first reflection horizon, as far as possible the area of the second reflectance coating is greater than the first reflection horizon, to ensure the transmission region of enough light sources by the first emission layer, the transmission region of the first emission layer is prior art.
As shown in Figure 3, preferably, described key set light source flexible circuit board 8 becomes one with touch-screen flexible circuit board 1, constitutes a flexible circuit board 9, and this flexible circuit board 9 uses the tandem circuit chip (IC) driving touch-screen and key-press backlight source light emitting diode; As Fig. 4 shows the integrated schematic diagram of flexible circuit board 9, wherein 10 is the integrated circuit (IC) chip (IC) for driving touch-screen in touch-screen flexible circuit board 1, and wherein 100 is the tandem circuit chip (IC) for driving touch-screen and key-press backlight source light emitting diode in flexible circuit board 9.Take this technology, touch-screen assembling space and packaging technology step can be reduced on the one hand thus reduce production cost, disposable production flexible circuit board meets light source control and touches drived control on the other hand, and do not need separately Production design, reduce costs, even optimized can carry out integrated light source control circuit and touch Drive and Control Circuit, reducing the necessary components and parts required for circuit, realize Based Intelligent Control light emitting source.
Preferably, described light emitting source 7 is LED light emitting diode.LED light emitting diode, power is little, luminous large, is convenient to control.
It is to be understood that above-mentioned embodiment has done more detailed text description to the thinking that relates to of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any combination not exceeding mentality of designing of the present invention; increase or amendment, all fall within the scope of protection of the present invention.
Claims (5)
1. in a flexible circuit board with the capacitive touch screen of reflectance coating, comprise cover plate, touch-screen flexible circuit board, touch screen function sheet, the first reflection horizon and light guide plate, it is characterized in that, described cover plate, touch screen function sheet, the first reflection horizon, light guide plate and touch-screen flexible circuit board stack gradually from top to bottom, light emitting source and the key set light source flexible circuit board for controlling light emitting source is provided with at a side of described light guide plate, the upper surface of described touch-screen flexible circuit board is provided with the second reflectance coating, and described second reflectance coating is placed in immediately below light guide plate.
2. in a kind of flexible circuit board as claimed in claim 1 with the capacitive touch screen of reflectance coating, it is characterized in that, described second reflectance coating be touch-screen flexible circuit board upper surface by printing white or light tone ink form.
3. in a kind of flexible circuit board as described in claim 1 or 2 with the capacitive touch screen of reflectance coating, it is characterized in that, described second reflectance coating orthogonal projection contains the view field of the first reflection horizon orthogonal projection to cover plate lower surface to the view field of cover plate lower surface.
4. in a kind of flexible circuit board as described in claim 1 or 2 with the capacitive touch screen of reflectance coating, it is characterized in that, described key set light source flexible circuit board and touch-screen flexible circuit board become one.
5. in a kind of flexible circuit board as described in claim 1 or 2 with the capacitive touch screen of reflectance coating, it is characterized in that, described light emitting source is LED light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027167.8A CN105446568B (en) | 2015-12-31 | 2015-12-31 | The capacitive touch screen of reflectance coating is carried in a kind of flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027167.8A CN105446568B (en) | 2015-12-31 | 2015-12-31 | The capacitive touch screen of reflectance coating is carried in a kind of flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105446568A true CN105446568A (en) | 2016-03-30 |
| CN105446568B CN105446568B (en) | 2018-08-17 |
Family
ID=55556845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027167.8A Active CN105446568B (en) | 2015-12-31 | 2015-12-31 | The capacitive touch screen of reflectance coating is carried in a kind of flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105446568B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223773A1 (en) * | 2017-06-07 | 2018-12-13 | 京东方科技集团股份有限公司 | Backlight strip, backlight module, and display device |
| CN109254703A (en) * | 2018-11-28 | 2019-01-22 | 深圳市灵触科技有限公司 | A kind of thickness cover board capacitive touch screen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110242039A1 (en) * | 2010-03-30 | 2011-10-06 | Garmin Ltd. | Display module for a touchscreen display |
| CN103732973A (en) * | 2011-09-15 | 2014-04-16 | 夏普株式会社 | Lighting device and display device provided with same |
| CN204155244U (en) * | 2014-11-10 | 2015-02-11 | 京东方科技集团股份有限公司 | Touch display module and electronical display product |
| CN204348555U (en) * | 2014-12-22 | 2015-05-20 | Tcl显示科技（惠州）有限公司 | Electronic installation and press key lamp thereof |
| CN205384597U (en) * | 2015-12-31 | 2016-07-13 | 南京华睿川电子科技有限公司 | Capacitive touch screen who has reflective coating on board of flexible line way |
-
2015
- 2015-12-31 CN CN201511027167.8A patent/CN105446568B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110242039A1 (en) * | 2010-03-30 | 2011-10-06 | Garmin Ltd. | Display module for a touchscreen display |
| CN103732973A (en) * | 2011-09-15 | 2014-04-16 | 夏普株式会社 | Lighting device and display device provided with same |
| CN204155244U (en) * | 2014-11-10 | 2015-02-11 | 京东方科技集团股份有限公司 | Touch display module and electronical display product |
| CN204348555U (en) * | 2014-12-22 | 2015-05-20 | Tcl显示科技（惠州）有限公司 | Electronic installation and press key lamp thereof |
| CN205384597U (en) * | 2015-12-31 | 2016-07-13 | 南京华睿川电子科技有限公司 | Capacitive touch screen who has reflective coating on board of flexible line way |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223773A1 (en) * | 2017-06-07 | 2018-12-13 | 京东方科技集团股份有限公司 | Backlight strip, backlight module, and display device |
| US10851979B2 (en) | 2017-06-07 | 2020-12-01 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight lamp bar, backlight module and display device |
| CN109254703A (en) * | 2018-11-28 | 2019-01-22 | 深圳市灵触科技有限公司 | A kind of thickness cover board capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105446568B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103477308B (en) | Display device and electronic equipment with input function | |
| CN102629165B (en) | Display assembly and terminal | |
| CN101387772B (en) | Touch control display panel, display and mobile phone | |
| US8599160B2 (en) | External touch keyboard | |
| TW201243663A (en) | Touch display panel | |
| US11231823B2 (en) | Information processing apparatus and method of manufacturing information processing apparatus | |
| CN104360768A (en) | Touch display module and electronic display product | |
| US20140125602A1 (en) | Touch display device | |
| CN103677392A (en) | Electronic device | |
| CN201293893Y (en) | Display device with touch screen function | |
| CN105335035A (en) | Capacitance touch screen with key backlight source | |
| TW201445403A (en) | Multifunction input device | |
| TWI617958B (en) | Touch display device | |
| CN105446568A (en) | Capacitive touch screen on flexible printed circuit board with reflection coating | |
| CN205405010U (en) | Display screen containing button backlight unit | |
| US20110279394A1 (en) | Touch screen panel structure of mobile device | |
| CN102810018A (en) | Touch display panel | |
| CN102446016B (en) | Electronic device and method of assembling the electronic device | |
| CN105468219A (en) | Capacitive touch screen with cover plate and flexible circuit board coated with reflecting coatings respectively | |
| CN205384597U (en) | Capacitive touch screen who has reflective coating on board of flexible line way | |
| CN205451022U (en) | Capacitive touch screen who all has reflective coating on apron and flexible line way board | |
| CN109446941A (en) | Display device and preparation method thereof | |
| CN210776640U (en) | Touch screen with integrated structure | |
| CN210573113U (en) | Display device | |
| KR102237894B1 (en) | Display application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |