CN201174123Y

CN201174123Y - Touch control board construction

Info

Publication number: CN201174123Y
Application number: CNU2007201291194U
Authority: CN
Inventors: 林招庆; 沈宗毅; 祝林; 刘彦甫
Original assignee: SHENGDA SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: SHENGDA SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2007-08-16
Filing date: 2007-08-16
Publication date: 2008-12-31
Anticipated expiration: 2017-08-16

Abstract

The utility model discloses a touch control board structure, comprising a first substrate, wherein one side or two sides are respectively provided with a reflecting layer; and a second substrate, on which an electric loop is loaded, and which is provided with a first conductor to form a perception track; a connecting layer which connects the first substrate with the second substrate. The reflecting layer is narrower than the first substrate, and an upper side is tightly affixed to the first substrate to be fixed on the connecting layer. The periphery of the reflecting layer can be provided with at least one luminous assembly and connected the electric loop of the second substrate. The electric loop of the second substrate receives the variation of the coupling capacitance of the perception track due to the contact of the touch control board and the object so as to determine the contact of the object, thereby controlling the on and off of the luminous assembly.

Description

The Trackpad structure

Technical field

The utility model relates to a kind of Trackpad structure, especially refers to a kind of Trackpad structure that uses simple combination to constitute the outward appearance novelty.

Background technology

Along with developing rapidly of infotech and communication network, electronics and IT products are popularized gradually, as mobile computer, mobile phone, digital camera, and the personal digital assistant etc., all fast developments and growth, and above-mentioned electronics and IT products great majority all are provided with Trackpad, be used as hand-written or click the interface of input, please refer to the synoptic diagram of a kind of existing Trackpad structure shown in Figure 1, this Trackpad comprises that roughly a wheat draws (Mylar) sheet, one printed circuit board (PCB), and one the usefulness gluing close and state the knitting layer of Mylar sheet and printed circuit board (PCB), traditional Trackpad structure only can be done printing on the Mylar surface, is only limited at the decorative pattern that each style is arranged on Mylar.

Please refer to Fig. 2, it is the synoptic diagram of another existing Trackpad structure, with original Trackpad both sides or the one-sided light emitting diode (LED) that adds, see through a reflection horizon (this reflection horizon can or be designed to reflection spot as a reflector plate: texture or reflective device) light of LED on average is dispersed in light guide plate.The light guide plate top increases refraction except texture can be arranged, and can do cure process in addition, increases the rub proofness of light guide plate, wherein, needs one deck gluing to live light guide plate and reflection horizon between light guide plate and the reflection horizon.

Traditional Trackpad only can print out various patterns at the surface insulation layer of inductive layer basically, in addition also can't make effect in appearance, or existing processing procedure can't be simplified problem.

The utility model content

The utility model provides a kind of Trackpad, to solve the problem that outward appearance is not novel, processing procedure can't be simplified in the prior art.

For achieving the above object, the utility model provides a kind of Trackpad of novel appearance, and uses simple combination, realizes the design.

Another purpose of the present utility model, provide one can simplify man-hour, the Trackpad of reduce cost (saving viscose) structure.

The utility model the 3rd purpose provides a way that can improve workmanship, avoids light guide plate and reflection horizon, enters because of factors such as weather, temperature make air, and then has influence on induction.

For reaching above-mentioned purpose, Trackpad structure of the present utility model is formed on a plurality of substrates, in order to conduction object contact to be provided, this Trackpad structure comprises mainly that following member is arranged to pile up and forms: one first substrate, its one or both sides can be provided with a reflection horizon (if when the surface that user place is bumped needs the reflection horizon, most of meeting be controlled reflection with the texture layout of particular design); And one second substrate, carry electric loop and be provided with first conductor and form the perception track; One knitting layer engages above-mentioned first substrate and second substrate; This reflection horizon is narrower than this first substrate, and upside is close to this first substrate, and is fixed in the knitting layer; The periphery in this reflection horizon can be established at least one luminescence component and be connected the electric loop of described second substrate, and the electric loop of above-mentioned second substrate receives when the Trackpad structure is contacted by described object and causes the coupling capacitance quantitative changeization of this perception track to judge the contact of this object and control flickering of described luminescence component with this.

Trackpad structure of the present utility model preferably can add look grain, fluorescent powder, bright powder in this first substrate the inside, cooperates light to form appearance.

Trackpad structure of the present utility model preferably can add look grain, fluorescent powder, bright powder on this first substrate lower floor or surface, reflection horizon, cooperates light to form appearance.

Trackpad structure of the present utility model preferably can utilize the texture or the mode of other reflective arrangement, and the difference that meaning of a word reflection ray falls by force forms pattern or font.

Trackpad structure of the present utility model, preferably this luminescence component is light emitting diode (LightEmitting Diode)

Trackpad structure of the present utility model is preferably done texture and is handled on this first substrate top layer, increase feel.

Trackpad structure of the present utility model is preferably done cure process on this first substrate top layer, increases fastness to rubbing.

Trackpad structure of the present utility model, preferably this first substrate is made by polycarbonate (polycarbonate plastic).

Trackpad structure of the present utility model, preferably this first substrate is made by Mylar.

Trackpad structure of the present utility model, preferably this first substrate system is made by mylar (polyesterfilm).

Trackpad structure of the present utility model, preferably this first substrate draws (Mylar) made by polycarbonate (polycarbonate plastic) and wheat, its primary colors of Mylar is translucent, made its part light tight if ought cover, can allow the light of light guide plate penetrate by uncovered part.

Trackpad structure of the present utility model, preferably this first substrate is by IMR (In-MoldDecoration by Roller accomplishes surface decoration after injection process) technology, pattern is imprinted in surface and the plastics, for example: the black that print off beyond the Logo on the surface hides photograph, print off half transparent black in its plastic layer, if during not polishing, what see promptly is whole black, Logo light will be appeared by translucent black during polishing.

Trackpad structure of the present utility model, preferably this first substrate is made by glass (glass).

Trackpad structure of the present utility model, preferably this first conductor comprises X-axis perception track and Y-axis perception track, or single shaft perception track (being used for scrolling), and button (point).

Trackpad structure of the present utility model, preferably the electric loop of this second substrate is integrated with a processor.

Trackpad structure of the present utility model, preferably there is a processor electric loop junction of this second substrate

Comprehensively above-mentioned, the utility model and uses simple combination at the Trackpad of design one novel appearance, realizes the utility model.The utility model utilizes a light guide plate and collocation to go up varicolored LED lamp, and the auxiliary light source diffusion component of collocation, makes color can be evenly distributed in each surface; Can do texture in addition on the light guide plate top layer and handle, produce feel, can directly save the man-hour of pasting surface insulation layer.Can also add some cure process on the light guide plate surface in case of necessity, increase its fastness to rubbing.

In addition, the utility model also proposes a way of simplifying man-hour, between traditional light guide plate and reflection horizon, need one deck gluing to live light guide plate and reflection horizon toward contact, the utility model proposes the formality that a new production method can be saved gluing light guide plate and reflection horizon, the combination after the improvement can be lacked two glue by structure before, benefit is that the processing number of times reduces, and then improves the quality.One is reduced work hours, is reduced cost (saving viscose), and it two improves the quality (avoiding light guide plate and reflection horizon, because of factors such as weather, temperature pass air into), and then has influence on induction.

The utility model can add the look grain in light guide plate itself in addition and mix with various light except mixing the LED color, can form other effect.Also can add that fluorescent powder or bright powder create various pattern, when getting light, can make pattern more obvious or produce the effect of noctilucence, break through the stereotype of traditional Trackpad in light guide plate lower floor or surface, reflection horizon.

Compared with prior art, the utlity model has following advantage: the outward appearance novelty, combination is simple, cost is low and product quality is high.

Description of drawings

Fig. 1 is the synoptic diagram of existing Trackpad structure;

Fig. 2 is the synoptic diagram of another existing Trackpad structure;

Fig. 3 is a kind of feasible applications pattern diagram of Trackpad structure of the present utility model;

Fig. 4 is an embodiment synoptic diagram of Trackpad structure of the present utility model;

Fig. 5 is an embodiment synoptic diagram of Trackpad structure of the present utility model;

Fig. 6 is an embodiment synoptic diagram of Trackpad structure of the present utility model;

Fig. 7 is that one of Trackpad structure of the present utility model is used synoptic diagram.

The figure number explanation:

1 induction system

11 Trackpads structure

1,1A1 first substrate

1,1A2 second substrate

The 11B reflection horizon

11C first conductor

11C1 X-axis perception track

11C2 Y-axis perception track

The 11D knitting layer

The 11E luminescence component

The 31B reflection horizon

The 31D knitting layer

4,1A1 first substrate

The 41B reflection horizon

The 41D knitting layer

12 processors

121 input blocks

122 arithmetic elements

123 vector processing units

21 objects

Embodiment

The utility model has disclosed a kind of Trackpad structure, particularly a kind of Trackpad structure that uses simple combination to constitute the outward appearance novelty.

For other advantage of the present utility model, purpose, technical characterictic and effect, can be by the detailed description of the graphic this case preferred embodiment of following cooperation:

Please refer to Fig. 3, display application Trackpad structure 11 of the present utility model is as a kind of feasible applications pattern of a touch-control sensing system 1 of its perception unit.Touch-control sensing system 1, mainly comprise: Trackpad structure 11, but sensing (or claim detecting, perception) object 21 (for example: finger, pointer etc. have conductive object) is approaching or touch and produce electric capacitance change, also promptly, above-mentioned object can cause constructing at aforementioned Trackpad the capacitance variations of 11 set at least one perception tracks; One processor 12 is to connect aforementioned Trackpad structure 11, by receive this electric capacitance change judge this object contact or and position on Trackpad structure 11, only not as limit.

Processor 12 can further include: an input block 121, but the information of access aforementioned electric volume change; One arithmetic element 122 is to connect this input block 121, the information of aforementioned electric volume change can be given digitizing; One vector processing unit 123, be to connect this arithmetic element 122, obtain the positional information that an object 21 (seeing also Fig. 3) contacts this Trackpad structure 11 by the information of handling after the described digitizing (abbreviation digital information), and aforementioned location information can be for other device of collocation the utility model Trackpad structure 11 or system (for example: computing machine, mobile phone, PDA etc. or and display screen, only do not utilize) as limit, for example as I/O (I/O) equipment of this device or system, input block 121, arithmetic element 122, vector processing unit 123 also can have the effect that suppresses noise, gets rid of by Trackpad structure 11 with this and is responded to and next noise.

See also Fig. 4, the first substrate 11A1 can be used as light guide plate, side-line at the first substrate 11A1 is provided with a reflection horizon 11B, and the second substrate 11A2 can be used as the circuit board that carries electric loop or and be provided with the first conductor 11C (X-axis perception track 11C1 or and Y-axis perception track 11C2, see also Fig. 3), between the first substrate 11A1 and the second substrate 11A2, can stick knitting layer 11D is arranged, wherein reflection horizon 11B is narrower than the first substrate 11A1, upside is close to this first substrate 11A1, and be fixed among the knitting layer 11D, the viscose processing procedure of this kind fixed reflector 11B, simplify than prior art, reduce cost, and can avoid between the first substrate 11A1 and the reflection horizon 11B because of weather, factors such as temperature pass air into, and then have influence on induction.

In addition, the periphery of reflection horizon 11B can be established at least one luminescence component 11E and be connected electric loop or the processor 12 of the second substrate 11A2, with this allow the user press the first substrate 11A1 and force the first substrate 11A1 or and knitting layer 11D contact the first conductor 11C (X-axis perception track 11C1 or and Y-axis perception track 11C2) and produce electric capacitance change, the electric loop of the second substrate 11A2 or and processor 12 can receive aforementioned electric volume change value and control flickering of this luminescence component 11E, and can be because of the different controls that flicker of touch position, via reflection horizon 11B and first substrate 11A1 reflection or and reflect the light of aforementioned luminescence component 11E, luminescence component 11E can be light emitting diode, comprising versicolor light source, through reflection, be refracted to appearance surfaces, and the effect that the Trackpad that reaches demonstration one outward appearance novelty is constructed, and the electric loop of the second substrate 11A2 can combine or separate with processor 12.

The first substrate 11A1, the second substrate 11A2 can be mylar (polyester film), glass (glass), polycarbonate plastics (polycarbonate plastic), wheat and draw transparent material such as (Mylar) (only not as limit), only not as limit (for example: the second substrate 11A2 also can be non-light transmissive material); The viscose of light-permeable, insulation for example can be: 3M#8142,467 etc., only not as limit; First conductor of light-permeable for example can be: indium tin oxide target ITO, transparent conductivity plastics, silver, gold, aluminium alloy etc., and only not as limit.

See also Fig. 5, be an embodiment of the utility model Trackpad structure, reflection horizon 31B both sides up and down has knitting layer 31D to coat, and the left and right sides does not have, thus ventilative, smoothly bubble is discharged.

See also Fig. 6, be an embodiment of the utility model Trackpad structure, 41B four limits in reflection horizon all are less than the first substrate 41A1 and knitting layer 41D, but must will keep not having bubble at any time interior.

See also Fig. 7,, utilize the texture or the mode of other reflective arrangement,, form pattern or font with the difference of this reflection ray power for an application model of the utility model Trackpad structure.Wherein, background 3 is for a little less than reflecting, and 2 for stronger through texture technical finesse back reflection.

More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.

Claims

1, a kind of Trackpad structure is characterized in that, comprising:

One first substrate, at least one side is provided with a reflection horizon;

One second substrate, carry electric loop and be provided with first conductor, at least one luminescence component of the outer periphery in described reflection horizon and connect the electric loop of described second substrate, the electric loop of described second substrate receives when the Trackpad structure is subjected to the object contact and causes the coupling capacitance quantitative changeization of perception track to judge the contact of described object and control flickering of described luminescence component with this;

One knitting layer engages above-mentioned first substrate and second substrate;

Described reflection horizon is narrower than described first substrate, and upside is close to described first substrate, and is fixed in the knitting layer.

2, Trackpad is constructed according to claim 1, it is characterized in that described luminescence component is a light emitting diode.

3, Trackpad is constructed according to claim 1, it is characterized in that described first conductor comprises X-axis perception track and Y-axis perception track, or single shaft perception track is used for scrolling and button point.

4, Trackpad is constructed according to claim 1, it is characterized in that, comprises a processor in the electric loop of described second substrate.

5, Trackpad is constructed according to claim 1, it is characterized in that there is a processor electric loop junction of described second substrate.