CN107704119A - A kind of touch display unit for being used to shield the interference of electromagnetic wave - Google Patents
A kind of touch display unit for being used to shield the interference of electromagnetic wave Download PDFInfo
- Publication number
- CN107704119A CN107704119A CN201710765553.XA CN201710765553A CN107704119A CN 107704119 A CN107704119 A CN 107704119A CN 201710765553 A CN201710765553 A CN 201710765553A CN 107704119 A CN107704119 A CN 107704119A
- Authority
- CN
- China
- Prior art keywords
- display unit
- touch
- electromagnetic wave
- interference
- shield
- 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.)
- Pending
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0054—Casings specially adapted for display applications
Abstract
The present invention relates to touch display unit technical field, more particularly to a kind of touch display unit for being used to shield the interference of electromagnetic wave, it includes cover sheet, touch sensing unit and display unit, touch sensing unit is used to sense the touch signal put on cover sheet, display unit includes liquid crystal functional layer and backlight module, touch display unit also includes pressure sensitive unit, pressure sensitive unit includes forming the upper conductive electrode layer of capacitive sensing device and lower conductive electrode layer, pressure sensitive unit is used to sense the pressure signal put on cover sheet, upper conductive electrode layer is between liquid crystal functional layer and backlight module, lower conductive electrode layer is located at the lower section of backlight module, screen layer is provided between touch sensing unit and liquid crystal functional layer；The bottom of cover sheet is provided with several haptic elements, and haptic element touches with touch sensing unit.The touch display unit of the present invention can avoid the electromagnetic wave from display unit from impacting the touch controllable function of touch control film.
Description
Technical field
The present invention relates to touch display unit technical field, and in particular to a kind of touch for being used to shield the interference of electromagnetic wave
Display device.
Background technology
The key components of touch display unit are touch-screens.Touch-screen because having the advantages that ease for operation, flexibility,
Turn into the main of PMC equipment and integrated information terminal (such as mobile phone, tablet personal computer and super notebook computer)
Man-machine interaction means.Relative to resistive touch screen and the touch-screen of other manner, capacitive touch screen is so that cost is low, structure is simple
The advantage such as single and durable, is gradually widely used by intelligent terminal.In the detailed process of touch-control is realized, using touching for nanostructured
Control film is easily disturbed when realizing touch-control by external electromagnetic ripple, so as to influence the touch-control effect of touch control film.
In order to reduce the interference of external electromagnetic ripple, the method for prior art generally use be allow touch control film and display module it
Between keep enough spacing, although this design method can play a role in improving, if the electromagnetic wave from display module is slightly
There is exception still to be affected to the touch controllable function of touch control film.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of touch for being used to shield the interference of electromagnetic wave
Display device, and then can avoid impacting the touch controllable function of touch control film.
To achieve the above object, the present invention provides following technical scheme：
A kind of touch display unit for being used to shield the interference of electromagnetic wave, including cover sheet, touch sensing unit are provided
And display unit, the touch sensing unit are used to sense the touch signal put on cover sheet, the display unit bag
Liquid crystal functional layer and backlight module are included, the touch display unit also includes pressure sensitive unit, the pressure sensitive unit bag
Include the upper conductive electrode layer for forming capacitive sensing device and lower conductive electrode layer, the pressure sensitive unit put on guarantor for sensing
Pressure signal on protecting cover plate, the upper conductive electrode layer are described between the liquid crystal functional layer and the backlight module
Lower conductive electrode layer is located at the lower section of the backlight module；
Screen layer is provided between the touch sensing unit and the liquid crystal functional layer；
The bottom of the cover sheet is provided with several haptic elements, and the haptic element touches with the touch sensing unit.
The haptic element is arranged to cylindrical haptic element.
The haptic element is arranged to square column type haptic element.
The haptic element is arranged to inverted trapezoidal post haptic element.
Several described haptic elements and the cover sheet are integrative-structures.
It is parallel to each other between the axis of several haptic elements.
The touch sensing unit is located at the top of the liquid crystal functional layer.
The liquid crystal functional layer includes upper polaroid, optical filter, liquid crystal layer, substrate and the down polaroid set gradually.
The backlight module includes upper diffusion sheet, upper prismatic lens, lower prismatic lens, lower diffusion sheet, the light guide plate set gradually
And reflector plate.
Beneficial effects of the present invention：
(1) a kind of touch display unit for being used to shield the interference of electromagnetic wave of the invention, including cover sheet, touch sense
Unit and display unit are answered, touch sensing unit is used to sense the touch signal put on cover sheet, and display unit includes
Liquid crystal functional layer and backlight module, touch display unit also include pressure sensitive unit, and pressure sensitive unit includes forming electric capacity
The upper conductive electrode layer of inductor and lower conductive electrode layer, pressure sensitive unit are used to sense the pressure put on cover sheet
Signal, for upper conductive electrode layer between liquid crystal functional layer and backlight module, lower conductive electrode layer is located at the lower section of backlight module；
Screen layer is provided between touch sensing unit and liquid crystal functional layer；The bottom of cover sheet is provided with several haptic elements, haptic element
Touched with touch sensing unit.Due to being provided with screen layer between touch sensing unit and liquid crystal functional layer, and then can avoid
Electromagnetic wave from display unit impacts to the touch controllable function of touch control film.Further, since the bottom of cover sheet is provided with
Several haptic elements, haptic element touch with touch sensing unit so that touch pressure can pass to touch sense by several haptic elements
Unit is answered, because the contact area of several haptic elements and touch sensing unit is less than cover sheet and touch sensible in the prior art
The contact area of unit, and then to be increased by the pressure for being pressed on touch sensing unit, for the pressure signal of multiple point touching
Detection results are relatively good, and then can realize the Sensitive Detection to multiple point touching pressure well.
(2) a kind of touch display unit for being used to shield the interference of electromagnetic wave of the invention, have it is simple in construction, be produced into
This it is low and can be adapted to mass produce the characteristics of.
Brief description of the drawings
Fig. 1 is a kind of structural representation for being used to shield the touch display unit of the interference of electromagnetic wave of the present invention.
Reference：
Cover sheet 1, haptic element 11；
Touch sensing unit 2；
Liquid crystal functional layer 3；
Backlight module 4；
Upper conductive electrode layer 5；
Lower conductive electrode layer 6；
Screen layer 7.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1.
A kind of touch display unit for being used to shield the interference of electromagnetic wave of the present embodiment, as shown in figure 1, including protection cap
Plate 1, touch sensing unit 2 and display unit, touch sensing unit 2 are used to sense the touch signal put on cover sheet 1,
Display unit includes liquid crystal functional layer 3 and backlight module 4, and touch display unit also includes pressure sensitive unit, pressure sensitive list
Member includes forming the upper conductive electrode layer 5 of capacitive sensing device and lower conductive electrode layer 6, pressure sensitive unit are put on for sensing
Pressure signal on cover sheet 1, upper conductive electrode layer 5 is between liquid crystal functional layer 3 and backlight module 4, lower conductive electrode
Layer 6 is located at the lower section of backlight module 4.Wherein, screen layer 7 is provided between touch sensing unit 2 and liquid crystal functional layer 3；Protection
The bottom of cover plate 1 is provided with several haptic elements 11, and haptic element 11 touches with touch sensing unit 2.Due to touch sensing unit 2 and liquid
Screen layer 7 is provided between brilliant functional layer 3, and then touch controllable function of the electromagnetic wave from display unit to touch control film can be avoided
Impact.The bottom of cover sheet 1 is provided with several haptic elements 11, haptic element 11 touches with touch sensing unit 2,
Touch pressure is enabled to pass to touch sensing unit 2 by several haptic elements 11, because several haptic elements 11 are with touching sense
Answer the contact area of unit 2 to be less than the contact area of cover sheet 1 and touch sensing unit 2 in the prior art, so cause by
The pressure increase of touch sensing unit 2 is pressed on, it is relatively good for the Detection results of the pressure signal of multiple point touching, and then can be very well
Realize the Sensitive Detection to multiple point touching pressure in ground.
In the present embodiment, haptic element 11 is arranged to cylindrical haptic element 11.The cylindrical haptic element 11 enables to be pressed on touch
The pressure increase of sensing unit 2, it is relatively good for the Detection results of the pressure signal of multiple point touching, and then can realize well pair
The Sensitive Detection of multiple point touching pressure.
In the present embodiment, several haptic elements 11 and cover sheet 1 are integrative-structures, and then are easy to haptic element 11 to transmit pressure,
And enable to, by the pressure increase for being pressed on pressure sensitive unit 3, in conjunction with elastic layer 33, touch display unit can be made well
Generation elastic deformation, and then the Sensitive Detection to touch pressure can be realized well.
In the present embodiment, it is parallel to each other between the axis of several haptic elements 11, and then is easy to haptic element 11 to transmit pressure, and energy
It is enough to be increased by the pressure for being pressed on touch sensing unit 2, it is relatively good for the Detection results of the pressure signal of multiple point touching, enter
And the Sensitive Detection to multiple point touching pressure can be realized well.
In the present embodiment, it is parallel to each other between the axis of several haptic elements 11, and then is easy to haptic element 11 to transmit pressure, and energy
It is enough to be increased by the pressure for being pressed on touch sensing unit 2, it is relatively good for the Detection results of the pressure signal of multiple point touching, enter
And the Sensitive Detection to multiple point touching pressure can be realized well.
In the present embodiment, touch sensing unit 2 is located at the top of liquid crystal functional layer 3.Liquid crystal functional layer 3 includes setting gradually
Upper polaroid, optical filter, liquid crystal layer, substrate and down polaroid.Backlight module 4 includes upper diffusion sheet, the upper rib set gradually
Eyeglass, lower prismatic lens, lower diffusion sheet, light guide plate and reflector plate.
Embodiment 2.
A kind of embodiment 2 for being used to shield the touch display unit of the interference of electromagnetic wave of the present invention, the present embodiment and reality
The difference for applying example 1 is, in the present embodiment, haptic element 11 is arranged to square column type haptic element 11, and the square column type haptic element 11 can make
Must be by the pressure increase for being pressed on touch sensing unit 2, Jin Erneng relatively good for the Detection results of the pressure signal of multiple point touching
The Sensitive Detection to multiple point touching pressure is realized well.The other structures and operation principle of the present embodiment are same as Example 1,
It will not be repeated here.
Embodiment 3.
A kind of embodiment 3 for being used to shield the touch display unit of the interference of electromagnetic wave of the present invention, the present embodiment and reality
The difference for applying example 1 is, in the present embodiment, haptic element 11 is arranged to inverted trapezoidal post haptic element 11, the energy of inverted trapezoidal post haptic element 11
It is enough to be increased by the pressure for being pressed on touch sensing unit 2, it is relatively good for the Detection results of the pressure signal of multiple point touching, enter
And the Sensitive Detection to multiple point touching pressure can be realized well.The other structures and operation principle of the present embodiment and embodiment 1
It is identical, it will not be repeated here.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (9)
- A kind of 1. touch display unit for being used to shield the interference of electromagnetic wave, it is characterised in that：Including cover sheet, touch sensible Unit and display unit, the touch sensing unit are used to sense the touch signal put on cover sheet, and the display is single Member includes liquid crystal functional layer and backlight module, and the touch display unit also includes pressure sensitive unit, the pressure sensitive list Member includes forming the upper conductive electrode layer of capacitive sensing device and lower conductive electrode layer, and the pressure sensitive unit, which is used to sense, to be applied In the pressure signal on cover sheet, the upper conductive electrode layer between the liquid crystal functional layer and the backlight module, The lower conductive electrode layer is located at the lower section of the backlight module；Screen layer is provided between the touch sensing unit and the liquid crystal functional layer；The bottom of the cover sheet is provided with several haptic elements, and the haptic element touches with the touch sensing unit.
- A kind of 2. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State haptic element and be arranged to cylindrical haptic element.
- A kind of 3. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State haptic element and be arranged to square column type haptic element.
- A kind of 4. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State haptic element and be arranged to inverted trapezoidal post haptic element.
- A kind of 5. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute It is integrative-structure that several haptic elements, which are stated, with the cover sheet.
- A kind of 6. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State and be parallel to each other between the axis of several haptic elements.
- A kind of 7. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State the top that touch sensing unit is located at the liquid crystal functional layer.
- A kind of 8. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State upper polaroid, optical filter, liquid crystal layer, substrate and down polaroid that liquid crystal functional layer includes setting gradually.
- A kind of 9. touch display unit for being used to shield the interference of electromagnetic wave according to claim 1, it is characterised in that：Institute State upper diffusion sheet, upper prismatic lens, lower prismatic lens, lower diffusion sheet, light guide plate and reflector plate that backlight module includes setting gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765553.XA CN107704119A (en) | 2017-08-30 | 2017-08-30 | A kind of touch display unit for being used to shield the interference of electromagnetic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765553.XA CN107704119A (en) | 2017-08-30 | 2017-08-30 | A kind of touch display unit for being used to shield the interference of electromagnetic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107704119A true CN107704119A (en) | 2018-02-16 |
Family
ID=61171232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710765553.XA Pending CN107704119A (en) | 2017-08-30 | 2017-08-30 | A kind of touch display unit for being used to shield the interference of electromagnetic wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107704119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359340A (en) * | 2021-05-28 | 2021-09-07 | 上海易教科技股份有限公司 | Display device and intelligent blackboard |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504706Y (en) * | 2001-09-25 | 2002-08-07 | 闽祥实业有限公司 | Panel display screen with touch control function |
| CN2567694Y (en) * | 2002-09-16 | 2003-08-20 | 台均实业有限公司 | Touch control display screen with conductor lattice electromagnetic induction layer in it |
| KR20100056911A (en) * | 2008-11-20 | 2010-05-28 | 엘지디스플레이 주식회사 | Electrophoretic display and method of fabricating the same |
| CN101930133A (en) * | 2009-06-19 | 2010-12-29 | 台均科技（深圳）有限公司 | Liquid crystal panel and liquid crystal display |
| CN103425347A (en) * | 2013-08-02 | 2013-12-04 | 敦泰科技有限公司 | Touch control display device |
| CN103995614A (en) * | 2014-05-26 | 2014-08-20 | 中国联合网络通信集团有限公司 | Touch screen and terminal equipment |
| CN104020880A (en) * | 2014-05-27 | 2014-09-03 | 京东方科技集团股份有限公司 | Touch display device |
| US20140253503A1 (en) * | 2013-03-05 | 2014-09-11 | Bang & Olufsen A/S | Touch system configured on metal surface with x-y and force detection |
| CN204389837U (en) * | 2014-12-28 | 2015-06-10 | 深圳市中天然科技有限公司 | A kind of novel liquid crystal display module |
| CN205230006U (en) * | 2015-12-09 | 2016-05-11 | 南昌欧菲光科技有限公司 | Touch display device |
| CN105739788A (en) * | 2016-03-11 | 2016-07-06 | 京东方科技集团股份有限公司 | Touch substrate and display device |
| CN205644495U (en) * | 2016-04-19 | 2016-10-12 | 深圳市深越光电技术有限公司 | Pressure touch -control display module assembly |
| CN106557193A (en) * | 2015-09-30 | 2017-04-05 | 南昌欧菲光科技有限公司 | Touch display unit |
-
2017
- 2017-08-30 CN CN201710765553.XA patent/CN107704119A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504706Y (en) * | 2001-09-25 | 2002-08-07 | 闽祥实业有限公司 | Panel display screen with touch control function |
| CN2567694Y (en) * | 2002-09-16 | 2003-08-20 | 台均实业有限公司 | Touch control display screen with conductor lattice electromagnetic induction layer in it |
| KR20100056911A (en) * | 2008-11-20 | 2010-05-28 | 엘지디스플레이 주식회사 | Electrophoretic display and method of fabricating the same |
| CN101930133A (en) * | 2009-06-19 | 2010-12-29 | 台均科技（深圳）有限公司 | Liquid crystal panel and liquid crystal display |
| US20140253503A1 (en) * | 2013-03-05 | 2014-09-11 | Bang & Olufsen A/S | Touch system configured on metal surface with x-y and force detection |
| CN103425347A (en) * | 2013-08-02 | 2013-12-04 | 敦泰科技有限公司 | Touch control display device |
| CN103995614A (en) * | 2014-05-26 | 2014-08-20 | 中国联合网络通信集团有限公司 | Touch screen and terminal equipment |
| CN104020880A (en) * | 2014-05-27 | 2014-09-03 | 京东方科技集团股份有限公司 | Touch display device |
| CN204389837U (en) * | 2014-12-28 | 2015-06-10 | 深圳市中天然科技有限公司 | A kind of novel liquid crystal display module |
| CN106557193A (en) * | 2015-09-30 | 2017-04-05 | 南昌欧菲光科技有限公司 | Touch display unit |
| CN205230006U (en) * | 2015-12-09 | 2016-05-11 | 南昌欧菲光科技有限公司 | Touch display device |
| CN105739788A (en) * | 2016-03-11 | 2016-07-06 | 京东方科技集团股份有限公司 | Touch substrate and display device |
| CN205644495U (en) * | 2016-04-19 | 2016-10-12 | 深圳市深越光电技术有限公司 | Pressure touch -control display module assembly |
Non-Patent Citations (1)
| Title |
|---|
| 吴法源 等: "压强", 《初中物理必考公式定律高效速记》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359340A (en) * | 2021-05-28 | 2021-09-07 | 上海易教科技股份有限公司 | Display device and intelligent blackboard |
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Application publication date: 20180216 |
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