CN206178758U - Transparent electric capacity touch -control super hi -vision electronic blackboard - Google Patents

Transparent electric capacity touch -control super hi -vision electronic blackboard Download PDF

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Publication number
CN206178758U
CN206178758U CN201621146351.4U CN201621146351U CN206178758U CN 206178758 U CN206178758 U CN 206178758U CN 201621146351 U CN201621146351 U CN 201621146351U CN 206178758 U CN206178758 U CN 206178758U
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film layer
electronic blackboard
film
conductive film
touch
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CN201621146351.4U
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Chinese (zh)
Inventor
封宛昌
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Jiangsu Oudi Electronic Science & Technology Co Ltd
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Jiangsu Oudi Electronic Science & Technology Co Ltd
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Abstract

The utility model relates to a transparent electric capacity touch -control super hi -vision electronic blackboard, including fixed frame, transparent glass cover board and touch integrated machine, touch integrated machine is including the control mainboard, LCD module and electric capacity screen protector, LCD module and electric capacity screen protector all are connected with control mainboard electricity, electric capacity screen protector includes the follow supreme first nanometer silver line conductive film layer who sets gradually down, first optics PET rete, second nanometer silver line conductive film layer and second optics PET rete, be equipped with X direction conductive pattern and conductive silver paste electrode on the first nanometer silver line conductive film layer, be equipped with Y direction conductive pattern and conductive silver paste electrode on the second nanometer silver line conductive film layer, the FPC circuit board is all connected to first nanometer silver line conductive film layer's conductive silver paste electrode and second nanometer silver line conductive film layer's conductive silver paste electrode, the laminating of second optics PET rete is at the internal surface of transparent glass cover board. This electronic blackboard's demonstration cleanliness is high, and an areflexia and a nothing mole intervene problem can effectively improve closely viewing effect.

Description

A kind of transparent capacitive touch-control ultra high-definition electronic blackboard
Technical field
The utility model is related to electronic blackboard technical field, concretely relates to a kind of transparent capacitive touch-control ultra high-definition and shows The electronic blackboard for showing.
Background technology
The blackboard that classroom uses lives through several generations, from earliest cement blackboard, plug-type combined blackboard finally.These Traditional blackboard is all teacher's chalk-writing, and student sees, recording mode teaching.Modern times to occur in that and replace part using projecting apparatus Blackboard position and touch one-piece machine is placed on into the electronic blackboards such as push-and-pull blackboard the inside, most emerging electronic blackboard is adopted Left, middle and right structure, the surface of electronic blackboard is write using glass, and mid portion combines touch one-piece machine, is capable of achieving chalk book Write, and without push-and-pull, realize the advantage that E-learning and conventional teaching combine.Yet with this electronic blackboard Touch one-piece machine adopts the projecting type capacitor touching technique of metal grill, although metal grill has low cost and electric conductivity is good Advantage, but the light transmittance saturating in order to reach foot, must take away 95%~99% touch-control sensing area in online thinning process, lead Touch signal is caused to reduce by 20~100 times, now touch-control IC is difficult to support;Additionally, in order to allow eyes to can't see metal grill, metal Live width is necessarily less than 5 microns, and its gold-tinted developing manufacture process or accurate printing technology for making is costly;And 5 micron metal lines are easily broken Split, the problems such as high reflection, material oxidation and mole (Morie) interfere, so as to cause existing electronic blackboard in touch one Body machine is only suitable for remote viewing, is not appropriate for in-plant student viewing.
Utility model content
The purpose of this utility model is to provide a kind of transparent capacitive touch-control ultra high-definition electronic blackboard, in the electronic blackboard Touch one-piece machine adopts the transparent conductive film that nano-silver thread makes as capacitance touching control film, so as to be prevented effectively from existing electronics The problems of projecting type capacitor touch control film of metal grill is adopted in blackboard, and can high definition display 4K ultra high-definition resolution ratio Video.
To achieve these goals, the technical scheme that the utility model is adopted is for a kind of transparent capacitive touch-control ultra high-definition Electronic blackboard, including fixed frame, clear glass cover plate and touch one-piece machine, the touch one-piece machine is arranged on fixed frame Middle part, the clear glass cover plate lid is located at the upper surface of fixed frame, and the surrounding of the clear glass cover plate by strong On fixed frame, the touch one-piece machine includes control mainboard, liquid crystal module and capacitance touching control film, the liquid crystal for power glue Module and capacitance touching control film are electrically connected with control mainboard, and the capacitance touching control film is arranged on the upper surface of liquid crystal module, and Capacitance touching control film is located at the inner surface of clear glass cover plate, and the capacitance touching control film includes that set gradually from bottom to up first receives Rice silver wire conductive film layer, the first optics PET film layer, the second nano-silver thread conductive film layer and the second optics PET film layer, described first Nano-silver thread conductive film layer is provided with X-direction conductive pattern and conductive silver paste electrode, on the second nano-silver thread conductive film layer It is provided with Y-direction conductive pattern and conductive silver paste electrode, the conductive silver paste electrode and second of the first nano-silver thread conductive film layer The conductive silver paste electrode of nano-silver thread conductive film layer is welded to connect FPC wiring boards, and the second optics PET film layer is fitted in The inner surface of bright glass cover-plate.
As a kind of improvement of the present utility model, between the capacitance touching control film and liquid crystal module optical lens are additionally provided with Bright film, the optical clear film fits with the first nano-silver thread conductive film layer of capacitance touching control film.
Used as a kind of improvement of the present utility model, the liquid crystal module includes fixed chase, display panels, backlight Plate and side light incidence type LED backlight, the display panels are fastened in fixed chase, and the backlight is arranged on liquid crystal Show the bottom of panel, the side light incidence type LED backlight is arranged on the top of backlight and is located at the side of display panels On;The optical clear film is arranged on the surface of display panels.
Used as a kind of improvement of the present utility model, the thickness of the optical clear film is 0.6~0.8mm.
Used as a kind of improvement of the present utility model, the size of the optical clear film is under the size of display panels The 0.5mm of tolerance, i.e. the size 0.5mm less than the size of display panels of optical clear film.
As a kind of improvement of the present utility model, have between the upper surface of the display panels and fixed chase top There is the gap that difference in height is 0.7mm, the thickness of the optical clear film is 0.7mm.
Used as a kind of improvement of the present utility model, the fixed aluminium frame that the fixed frame is made using aluminium is described Screw is equipped with fixed aluminium frame and fixed chase, fixed aluminium frame and fixed chase are fixed by company through screw using self-tapping screw It is connected together.
Relative to prior art, the electronic blackboard overall construction design that the utility model is proposed is ingenious, dismounting assembling dimension Repair replacing convenient, can effectively reduce the maintenance cost of electronic blackboard, make in the capacitance touching control film employed in this electronic blackboard It is nano-silver thread transparent conductive film layer, due to forming X-direction and Y-direction conductive pattern in nano-silver thread transparent conductive film layer Nano-silver thread diameter it is little, live width is also less, and higher light transmittance is can reach compared with film made by metal grill technology, its Transmissivity is high, and mist degree is low, can effectively overcome made using metal grill low light transmittance existing for capacitance touching control film, high reflection, The defect such as material is oxidizable and cost of manufacture is high, so that the touch one-piece machine surface of electronic blackboard is totally wireless, can be effective Improve the display resolution of electronic blackboard;Further, since thickness is additionally provided between capacitance touching control film and liquid crystal module for 0.6 The optical clear film of~0.8mm, can effectively reduce refraction of the air to image, can be advantageously aobvious in touch one-piece machine high definition Show the video of the ultrahigh resolutions such as 4K, while also effectively increasing the closely viewing effect of electronic blackboard;Additionally, by optical lens Bright film is arranged between capacitance touching control film and liquid crystal module, between having filled up existing between capacitance touching control film and liquid crystal module Gap, on the one hand can be prevented effectively from the gap and easily be polluted by dust and affect touch-control effect, on the other hand prevented also from institute in gap Light that the air of presence sends on liquid crystal module produces refraction and affects display resolution, and by optical clear film and electric capacity First nano-silver thread conductive film layer of touch control film fits, and does not fit with liquid crystal module, so as to the later stage can be easy to black to electronics The maintenance of plate, while also maintenance cost can be reduced and extend the service life of electronic blackboard.
Description of the drawings
Fig. 1 is the electronic blackboard structural representation of the utility model preferred embodiment.
Fig. 2 is clear glass cover plate, liquid crystal module, optical clear film and capacitance touching control in the utility model preferred embodiment The mounting structure schematic diagram of film.
Fig. 3 is the production technological process of capacitance touching control film in the utility model preferred embodiment.
In figure:1- clear glass cover plates, 2- fixed frames, 3- touch one-piece machines, 4- liquid crystal modules, 5- capacitance touching control films, 6- optical clear films, 7- display panels, 8- backlights, 9- sides light incidence type LED backlight.
Specific embodiment
In order to deepen, to understanding and cognition of the present utility model, the utility model to be further described below in conjunction with the accompanying drawings And introduction.
As shown in figure 1, a kind of transparent capacitive touch-control ultra high-definition electronic blackboard, including fixed frame, clear glass cover plate and Touch one-piece machine, the touch one-piece machine is arranged on the middle part of fixed frame, and the clear glass cover plate lid is located at fixed frame Upper surface, and the surrounding of the clear glass cover plate is pasted onto on fixed frame by 3M seccotines.It is described to touch one Machine includes control mainboard, liquid crystal module and capacitance touching control film, and the control mainboard is arranged on the inside of fixed frame, the liquid crystal Module and capacitance touching control film are electrically connected with control mainboard, and the capacitance touching control film is arranged on the upper surface of liquid crystal module, and Capacitance touching control film is located at the inner surface of clear glass cover plate.
Capacitance touching control film therein is made using nano-silver thread and optics PET film, and the diameter of nano-silver thread exists Below 30nm, translucency under visible-range is high, with higher light transmittance, meanwhile, nano-silver thread have high conductivity, Stability and resistance to bend(ing), can easily be bent by its nano conductive film being made, and can preferably match sending out for flexible devices Exhibition needs.In the preparation method of capacitance touching control film, nano-silver thread ink is coated uniformly on into PET film by the way of coating Surface forms nano conductive film, and the X-direction on a nano conductive film carries out laser-induced thermal etching and goes out X-direction conductive pattern and add Conductive silver paste electrode, the Y-direction on another nano conductive film carries out laser-induced thermal etching and goes out Y-direction conductive pattern and add conduction Ag paste electrode, this two nano conductive films through laser-induced thermal etching are fit together to form nanometer using OCA Optical transparent adhesives Touch membrane, is cut to nanometer touch membrane suitably sized and welds FPC wiring boards, finally carries out formation one after hot pressing and is suitable for In the capacitance touching control film of this electronic blackboard, its production procedure is as shown in Figure 3.The capacitance touching control film made using above-mentioned production procedure Including the first nano-silver thread conductive film layer for setting gradually from bottom to up, the first optics PET film layer, OCA optical clear glue-lines, Two nano-silver thread conductive film layers and the second optics PET film layer, adopt laser-induced thermal etching work on the first nano-silver thread conductive film layer Skill is etched with the X direction X-direction conductive pattern and conductive silver paste electrode, using sharp on the second nano-silver thread conductive film layer Light etching process is etched with the Y direction Y-direction conductive pattern and conductive silver paste electrode, the first nano-silver thread conductive film layer Conductive silver paste electrode and the conductive silver paste electrode of the second nano-silver thread conductive film layer be welded to connect FPC wiring boards.Wherein institute State the inner surface that the second optics PET film layer is fitted in clear glass cover plate.
Liquid crystal module on this electronic blackboard on touch one-piece machine include fixed chase, display panels, backlight and Side light incidence type LED backlight, the display panels are fastened in fixed chase, and the backlight is arranged on LCD The bottom of plate, the side light incidence type LED backlight is arranged on the top of backlight and is located on the side of display panels.
As shown in Fig. 2 the display effect in order to further improve touch one-piece machine on this electronic blackboard, in the capacitive touch Optical clear film is additionally provided between control film and liquid crystal module, the optical clear film is led with the first nano-silver thread of capacitance touching control film Electrolemma layer fits and optical clear film is located at the surface of display panels.By optical clear film and capacitance touching control film First nano-silver thread conductive film layer fits, and does not fit with liquid crystal module, so as to maintenance of the later stage to electronic blackboard can be easy to, Also can reduce maintenance cost and extend the service life of electronic blackboard simultaneously.
In the preferred embodiment, the thickness of the optical clear film is 0.6~0.8mm.Due to the liquid in liquid crystal module There is certain gap between the upper surface of LCD panel and fixed chase top, in the preferred embodiment, between the two For difference in height for 0.7mm gap, therefore, the preferred thickness of the optical clear film is 0.7mm.And by optical clear film The 0.5mm of tolerance under the size of display panels is designed and sized to, can so cause optical clear film just to fill up liquid Interstitial gap between LCD panel and fixed chase.On the one hand the gap can be prevented effectively from easily to be polluted by dust and affect to touch Control effect, on the other hand produces refraction and affects aobvious prevented also from the light that the air in the presence of gap sends on liquid crystal module Show definition.
The fixed frame of above-mentioned electronic blackboard, can be to transparent glass using the good fixed aluminium frame of the pliability that aluminium is made Glass cover plate and touch one-piece machine form good fixing and support and positioning action.And on the fixed aluminium frame and fixed chase Screw is equipped with, is fixed together fixed aluminium frame and fixed chase through screw using self-tapping screw, so as to one can be entered Liquid crystal module in touch one-piece machine is firmly placed in step the middle part of electronic blackboard, realizes liquid crystal module and with capacitive touch The clear glass cover plate of control film and optical clear film is fixed together.
It should be noted that above-described embodiment, not for limiting protection domain of the present utility model, in above-mentioned technical side Done equivalents or replacement each fall within the utility model scope of the claimed protection on the basis of case.Will in right In asking, word "comprising" does not exclude the presence of element not listed in the claims.The use of word first, second does not indicate that any Sequentially, these words can be construed to title.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also Constituted technical scheme is combined including by above technical characteristic.It should be pointed out that for the ordinary skill of the art For personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and moisten Decorations are also considered as protection domain of the present utility model.

Claims (7)

1. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard, it is characterised in that:Including fixed frame, clear glass cover plate and touch All-in-one is touched, the touch one-piece machine is arranged on the middle part of fixed frame, and the clear glass cover plate lid is located at fixed frame Upper surface, and the surrounding of the clear glass cover plate is pasted onto on fixed frame by seccotine, the touch one-piece machine bag Control mainboard, liquid crystal module and capacitance touching control film are included, the liquid crystal module and capacitance touching control film are electrically connected with control mainboard, institute The upper surface that capacitance touching control film is arranged on liquid crystal module is stated, and capacitance touching control film is located at the inner surface of clear glass cover plate, institute Stating capacitance touching control film includes that the first nano-silver thread conductive film layer for setting gradually from bottom to up, the first optics PET film layer, second receive Rice silver wire conductive film layer and the second optics PET film layer, the first nano-silver thread conductive film layer be provided with X-direction conductive pattern and Conductive silver paste electrode, the second nano-silver thread conductive film layer is provided with Y-direction conductive pattern and conductive silver paste electrode, and described The conductive silver paste electrode company of welding of the conductive silver paste electrode of one nano-silver thread conductive film layer and the second nano-silver thread conductive film layer FPC wiring boards are connect, the second optics PET film layer is fitted in the inner surface of clear glass cover plate.
2. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard as claimed in claim 1, it is characterised in that in the capacitive touch Optical clear film is additionally provided between control film and liquid crystal module, the optical clear film is led with the first nano-silver thread of capacitance touching control film Electrolemma layer fits.
3. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard as claimed in claim 2, it is characterised in that the liquid crystal module Including fixed chase, display panels, backlight and side light incidence type LED backlight, the display panels are fastened on solid In determining chase, the backlight is arranged on the bottom of display panels, and the side light incidence type LED backlight is arranged on backlight Top and be located at display panels side on;The optical clear film is arranged on the surface of display panels.
4. a kind of as claimed in claim 2 or claim 3 transparent capacitive touch-control ultra high-definition electronic blackboard, it is characterised in that the optics The thickness of hyaline membrane is 0.6~0.8mm.
5. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard as claimed in claim 3, it is characterised in that the optical clear The size of film for display panels size under tolerance 0.5mm.
6. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard as claimed in claim 5, it is characterised in that the liquid crystal display There is gap of the difference in height for 0.7mm between the upper surface of panel and fixed chase top, the thickness of the optical clear film is 0.7mm。
7. a kind of transparent capacitive touch-control ultra high-definition electronic blackboard as described in claim 3 or 5 or 6, it is characterised in that described solid Determine the fixed aluminium frame that framework is made using aluminium, screw is equipped with the fixed aluminium frame and fixed chase, using self tapping Screw is fixed together fixed aluminium frame and fixed chase through screw.
CN201621146351.4U 2016-10-18 2016-10-18 Transparent electric capacity touch -control super hi -vision electronic blackboard Active CN206178758U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107100504A (en) * 2017-05-24 2017-08-29 安徽嘉伟新材料科技有限责任公司 A kind of transparent multimedia windowpane
CN108920000A (en) * 2018-06-30 2018-11-30 昆山国显光电有限公司 Display panel and preparation method thereof
CN109062450A (en) * 2018-09-30 2018-12-21 上海开亿信息科技有限公司 Touch panel, intelligent tutoring blackboard and a kind of method for making intelligent tutoring blackboard
CN109472997A (en) * 2017-09-07 2019-03-15 上海峰宁信息科技股份有限公司 The explosion-proof bonded type soft crystal interlayer of glass substrate is bonded electronic blackboard entirely
CN109523842A (en) * 2018-11-01 2019-03-26 苏州泛普科技股份有限公司 Highly sensitive touch-control blackboard
CN110161734A (en) * 2018-04-17 2019-08-23 北京丰信达科技有限公司 A kind of whole stickup fixing means of family's blackboard
CN110377190A (en) * 2019-07-18 2019-10-25 上海峰宁信息科技股份有限公司 A kind of full sticking touch control electronic blackboard of nano silver capacitor
CN114228371A (en) * 2021-12-20 2022-03-25 深圳市华科创智技术有限公司 Nano silver line interconnection wisdom blackboard

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107100504A (en) * 2017-05-24 2017-08-29 安徽嘉伟新材料科技有限责任公司 A kind of transparent multimedia windowpane
CN109472997A (en) * 2017-09-07 2019-03-15 上海峰宁信息科技股份有限公司 The explosion-proof bonded type soft crystal interlayer of glass substrate is bonded electronic blackboard entirely
CN110161734A (en) * 2018-04-17 2019-08-23 北京丰信达科技有限公司 A kind of whole stickup fixing means of family's blackboard
CN108920000A (en) * 2018-06-30 2018-11-30 昆山国显光电有限公司 Display panel and preparation method thereof
CN109062450A (en) * 2018-09-30 2018-12-21 上海开亿信息科技有限公司 Touch panel, intelligent tutoring blackboard and a kind of method for making intelligent tutoring blackboard
CN109523842A (en) * 2018-11-01 2019-03-26 苏州泛普科技股份有限公司 Highly sensitive touch-control blackboard
CN110377190A (en) * 2019-07-18 2019-10-25 上海峰宁信息科技股份有限公司 A kind of full sticking touch control electronic blackboard of nano silver capacitor
CN114228371A (en) * 2021-12-20 2022-03-25 深圳市华科创智技术有限公司 Nano silver line interconnection wisdom blackboard

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GR01 Patent grant
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CP02 Change in the address of a patent holder

Address after: No. 12-9 Fengji road in Yuhuatai District of Nanjing City, Jiangsu province 210039

Patentee after: Jiangsu Oudi Electronic Science & Technology Co., Ltd.

Address before: 211000 Jiangsu Province, Nanjing city Yuhuatai district road 18, building 3, Phoenix

Patentee before: Jiangsu Oudi Electronic Science & Technology Co., Ltd.

CP02 Change in the address of a patent holder
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Transparent electric capacity touch -control super hi -vision electronic blackboard

Effective date of registration: 20180509

Granted publication date: 20170517

Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch

Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd.

Registration number: 2018320000062

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Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd.

Registration number: 2018320000062

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Denomination of utility model: Transparent electric capacity touch -control super hi -vision electronic blackboard

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Granted publication date: 20170517

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