CN202771409U

CN202771409U - Touch panel

Info

Publication number: CN202771409U
Application number: CN 201220414336
Authority: CN
Inventors: 林志忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-20
Filing date: 2012-08-20
Publication date: 2013-03-06
Anticipated expiration: 2022-08-20

Abstract

A touch panel comprises a backlight module, a liquid crystal display unit, a capacitance type inductive layer and a transparent substrate. The liquid crystal display unit forms the capacitance type inductive layer on one side of a first glass substrate, the transparent substrate is attached at the position of the other side of the liquid crystal display unit relative to the backlight module and forms an overflow area through an adhesive layer, and then the liquid crystal display unit is placed inside a containing space of the backlight module, and the extending part of the backlight module shelters the overflow area. Therefore, the step of removing glue can be removed, and functions of lowering assembling cost and saving assembling time are achieved.

Description

Contact panel

Technical field

The utility model relates to a kind of contact panel, and espespecially a kind of assembly cost that reduces reaches with the contact panel of saving built-up time.

Background technology

Along with developing rapidly of information technology and communication network, the electronics information product is popularized gradually in the individual, relative contact panel also develops rapidly simultaneously, contact panel is according to the difference of its principle of induction now, mainly divide into resistance-type, condenser type, four kinds of electromagnetic type and optical profile types etc., wherein capacitor-type touch panel structure tool is dustproof, the characteristics such as fire prevention and high-res, thereby be used widely, this capacitance type touch-control panel action principle, mainly be to confirm contacting points position according to electric capacitance change, utilize approaching the capacitive electrical variation of generation between electrode of touch control object (such as conductors such as fingers), and determine the coordinate of contact point.

And capacitance type touch-control panel also gradually become main flow in the touch technology, and be applied in the middle of every electronics information product, for example mobile phone, panel computer, walkman, portable electric device (equipment), various display, monitor etc., the capacitance variation that these its principles of electronics information product cause when being applying finger contact contact panel with the change in location that records finger with click situation, and then reach the purpose of controlling.

But general capacitance type touch-control panel is in bonding assembling, usually need the bonding problem of misgivings, because using optical cement fat (OCR, Optical Clear Resin) or optical cement (OCA, Optical Clear Adhesive) after the bonding, usually needs other together processing to put the problem of the glue that overflows in order, relatively also improve the problem of its assembly cost and built-up time, the above, have following shortcoming in the known technology:

1. assembly cost is high;

2. expend built-up time;

3. fraction defective is high.

Therefore, how to solve problem and the disappearance of above-mentioned communal technique, the utility model people who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in the industry.

The utility model content

For this reason, for effectively solving the above problems, fundamental purpose of the present utility model is providing a kind of assembly cost and contact panel of saving built-up time of reducing.

For reaching above-mentioned purpose, the utility model proposes a kind of contact panel, it comprises: a backlight module, one liquid crystal display, one capacitive induction layer and a transparency carrier, this backlight module side is formed with at least one extension and defines an accommodation space by this extension, and this liquid crystal display is arranged in the described accommodation space, and this liquid crystal display has one first glass substrate and a liquid crystal layer and one second glass substrate that sequentially stacks, wherein this first glass substrate has one first side and one second side, and be provided with a bonding coat in the first side position place, and this capacitive induction layer selects to be formed at a side position place of aforementioned the first glass substrate, and this transparency carrier is arranged at relatively this backlight module opposite side position of this liquid crystal display; Can be covered by the extension of described backlight module by the described bonding coat formed excessive zone of fitting between wherein said liquid crystal display and this transparency carrier.

Particularly, this is novel to provide a kind of contact panel, comprising:

One backlight module, side are formed with at least one extension and define an accommodation space;

One liquid crystal display, be arranged in the described accommodation space, and this liquid crystal display has one first glass substrate and a liquid crystal layer and one second glass substrate, and this first glass substrate defines one first side and one second side, and this first side is provided with a bonding coat;

One capacitive induction layer selects to be formed at aforementioned the first glass substrate one side; And

One transparency carrier is arranged at relatively this backlight module opposite side of this liquid crystal display.

Preferably, in the described contact panel, fit by described bonding coat between described liquid crystal display and this transparency carrier and be formed with an excessive zone, this excessive zone is relatively arranged in the accommodation space and via described extension covers.

Preferably, in the described contact panel, fit by described bonding coat between described capacitive induction layer and this transparency carrier and be formed with an excessive zone, this excessive zone is relatively arranged in the accommodation space and via described extension covers.

Preferably, in the described contact panel, also include at least one polarisation unit, this polarisation unit selects to be arranged between described liquid crystal display and backlight module or between liquid crystal display and transparency carrier or two places arrange simultaneously.

Preferably, in the described contact panel, the relative liquid crystal display opposite side of wherein said backlight module position is pasted with an electromagnetic type sensing unit.

Description of drawings

Fig. 1 is the cut-open view of the utility model the first preferred embodiment;

Fig. 2 is the manufacturing flow chart of the utility model the first preferred embodiment;

Fig. 3 is the enforcement schematic diagram of the utility model the first preferred embodiment;

Fig. 4 A is the cut-open view of the utility model the second preferred embodiment;

Fig. 4 B is the enforcement schematic diagram of the utility model the second preferred embodiment;

Fig. 5 is the cut-open view of the utility model the 3rd preferred embodiment;

Fig. 6 is the cut-open view of the utility model the 4th preferred embodiment.

The main element symbol description

Contact panel 1

Backlight module 11

Extension 111

Accommodation space 112

Liquid crystal display 12

The first glass substrate 121

The first side 1211

The second side 1212

Bonding coat 1213

Excessive regional 1214

Liquid crystal layer 122

The second glass substrate 123

Capacitive induction layer 13

Transparency carrier 14

Polarisation unit 15

Electromagnetic type inductive layer 16

Embodiment

Characteristic on above-mentioned purpose of the present utility model and structure thereof and the function will be explained according to appended graphic preferred embodiment.

See also shown in Figure 1ly, be the cut-open view of the utility model contact panel the first preferred embodiment, as shown in the figure, described contact panel 1 comprises: a backlight module 11, a liquid crystal display 12, a capacitive induction layer 13 and a transparency carrier 14.

Described backlight module 11 sides are formed with at least one extension 111, and define an accommodation space 112 in this extension 111.

And this liquid crystal display 12 is arranged in the described accommodation space 112, this liquid crystal display 12 has one first glass substrate 121 and a liquid crystal layer 122 and one second glass substrate 123 that sequentially stacks, wherein these the second glass substrate 123 upsides are provided with described liquid crystal layer 122, these liquid crystal layer 122 upsides are provided with described the first glass substrate 121, and this first glass substrate 121 defines one first side 1211 and one second side 1212, and these the first side 1211 positions are provided with a bonding coat 1213.

Wherein this first glass substrate 121 and this second glass substrate 123 materials explain with glass in this better enforcement, but be not limited to this, also may be selected to be polyethylene terephthalate (Polyethylene Terephthalate, PET), polycarbonate (Poly Carbonate, PC), tygon (polyethylene, PE), Polyvinylchloride (Poly Vinyl Chloride, PVC), polypropylene (Poly Propylene, PP), polystyrene (Poly Styrene, PS), polymethylmethacrylate (Polymethylmethacrylate, PMMA), cyclic olefine copolymer (cyclo olefin coplymer, COC) wherein arbitrary material is embodiment; And this bonding coat 121314 is optical cement fat (OCR, Optical Clear Resin) or one of them person of optical cement (OCA, Optical Clear Adhesive).

And this capacitive induction layer 13 selects to be formed at aforementioned the first glass substrate 121 1 sides, in the present embodiment, the second side 1212 positions that its capacitive induction layer 13 is formed at this first glass substrate 121 are embodiment, therefore, its capacitive induction layer 13 is formed at 121 of liquid crystal layer 122 and the first glass substrates, and this capacitive induction layer 13 is indium tin oxide (Indium Tin Oxide, ITO) or antimony tin oxide (Antimony Tin Oxide, ATO) or indium-zinc oxide (indium zinc oxide, IZO), and its capacitive induction layer 13 is when implementation, can select to be coated with gel, electroplate, evaporation or etched mode are formed on this second side 1212, close first Chen Ming.

And this transparency carrier 14 is arranged at this liquid crystal display 12 relative these backlight module 11 opposite sides, and in the present embodiment, wherein said liquid crystal display 12 via and 14 of this transparency carriers fit by described bonding coat 1213 and be formed with one excessive regional 1214, this excessive regional 1214 is relatively arranged in the accommodation space 112 and via described extension 111 and covers, whereby, 14 of described liquid crystal display 12 and this transparency carriers are fitted by described bonding coat 1213 and formed excessive regional 1214 can be covered by the extension 111 of described backlight module 11, therefore can deduct the step except glue, and then reach the effect that reduces assembly cost and save built-up time.

Please consult simultaneously shown in Figure 2ly, be the manufacturing flow chart of the utility model contact panel manufacture method the first preferred embodiment, described contact panel 1 manufacture method comprises the following step:

S1 a: liquid crystal display 12 is provided, have one first glass substrate 121 and a liquid crystal layer 122 and one second glass substrate 123, this first glass substrate 121 defines one first side 1211 and one second side 1212, and is provided with a bonding coat 1213 in these the first side 1211 positions;

S2: other provides a capacitive induction layer 13 applying described the first glass substrate 121 1 sides;

S3: provide again a transparency carrier 14 to be arranged at this liquid crystal display 12 relative these backlight module 11 opposite sides;

S4: this liquid crystal display 12 is located in the accommodation space 112 of a backlight module 11, and is covered by the extension 111 of this backlight module 11.

Please consult simultaneously shown in Figure 3, enforcement schematic diagram for the first preferred embodiment of the utility model contact panel, one liquid crystal display 12 wherein at first is provided, this liquid crystal display 12 has one first glass substrate 121 and a liquid crystal layer 122 and one second glass substrate 123, this first glass substrate 121 defines one first side 1211 and one second side 1212, and be provided with a bonding coat 1213 in these the first side 1211 positions, first of described the first glass substrate 121 of one capacitive induction layer, 13 applying is provided again, two sides are either side wherein, and in the present embodiment, its capacitive induction layer 13 is take the second side 1212 positions of being formed at this first glass substrate 121 as embodiment, provide again a transparency carrier 14 to be arranged at this liquid crystal display 12 relative these backlight module 11 opposite sides in addition, and 14 of this liquid crystal display 12 and this transparency carriers are fitted by described bonding coat 1213 and are formed with one excessive regional 1214, again this liquid crystal display 12 is located in the accommodation space 112 of a backlight module 11, and covered by the extension 111 of this backlight module 11, and this bonding coat 1213 formed excessive regional 1214 is relatively arranged on and covers in the accommodation space 112 and via described extension 111, join again shown in the 1st figure, to finish described contact panel 1;

Whereby, 14 of described liquid crystal display 12 and this transparency carriers are fitted by described bonding coat 1213 and formed excessive regional 1214 can be covered by the extension 111 of described backlight module 11, therefore can deduct the step except glue, and then reach the effect that reduces assembly cost and save built-up time.

In addition, see also shown in Fig. 4 A and Fig. 4 B, cut-open view and enforcement schematic diagram for the second preferred embodiment of the utility model contact panel, its one-piece construction and element connection relationship are roughly identical with the first preferred embodiment, this in addition superfluous telling mutually exist together, comparing in the present embodiment the first preferred embodiment does not exist together and has described the first glass substrate 121 and liquid crystal layer 122 and the second glass substrate 123 for described liquid crystal display, be embodiment and this capacitive induction layer 13 is formed at the first side 1211 positions of this

first glass substrate

121, and 14 of this capacitive induction layer 13 and this transparency carriers are fitted by described bonding coat 1213 and are formed with one excessive regional 1214, again this liquid crystal display 12 is located in the accommodation space 112 of described backlight module 11, and covered by the extension 111 of this backlight module 11, and this bonding coat 1213 formed excessive regional 1214 is relatively arranged in the accommodation space 112 and via described extension 111 and covers.

In addition, see also shown in Figure 5, cut-open view for the 3rd preferred embodiment of the utility model contact panel, its one-piece construction and element connection relationship are roughly identical with the first preferred embodiment, this in addition superfluous telling mutually exist together, comparing in the present embodiment the first preferred embodiment does not exist together and more includes at least one polarisation unit 15 for described contact panel 1, this polarisation unit 15 is selected to be arranged at described

liquid crystal display

12 and 11 of backlight modules or

liquid crystal display

12 and 14 of transparency carriers or two places and is arranged simultaneously, and in the present embodiment, be provided with simultaneously described polarisation unit 15 in

liquid crystal display

12 and 11 of backlight modules and

liquid crystal display

12 and 14 of transparency carriers.

In addition, see also shown in Figure 6, cut-open view for the 4th preferred embodiment of the utility model contact panel, its one-piece construction and element connection relationship are roughly identical with the first preferred embodiment, this in addition superfluous telling mutually exist together, compare in the present embodiment the first preferred embodiment and do not exist together and be pasted with an electromagnetic type inductive layer 16 for described backlight module 11 relative liquid crystal displays 12 opposite side positions.

By above-mentioned method for making, the utility model is compared known technology improvements such as rear:

1. reduction assembly cost;

2. saving built-up time;

3. raising yield.

The above, only be preferred embodiment of the present utility model, but feature of the present utility model is not limited to this, anyly is familiar with this skill person in the utility model field, can think easily and variation or modification, all should be encompassed in the patent right scope of the present utility model.

Claims

1. a contact panel is characterized in that, comprising:

2. contact panel as claimed in claim 1 is characterized in that, fits by described bonding coat between described liquid crystal display and this transparency carrier and is formed with an excessive zone, and this excessive zone is relatively arranged in the accommodation space and via described extension covers.

3. contact panel as claimed in claim 1 is characterized in that, fits by described bonding coat between described capacitive induction layer and this transparency carrier and is formed with an excessive zone, and this excessive zone is relatively arranged in the accommodation space and via described extension covers.

4. contact panel as claimed in claim 1 is characterized in that, also includes at least one polarisation unit, and this polarisation unit selects to be arranged between described liquid crystal display and backlight module or between liquid crystal display and transparency carrier or two places arrange simultaneously.

5. such as claim 1 a described contact panel, it is characterized in that, the relative liquid crystal display opposite side of wherein said backlight module position is pasted with an electromagnetic type sensing unit.