CN101770306B - Touch control plate and electronic device - Google Patents
Touch control plate and electronic device Download PDFInfo
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- CN101770306B CN101770306B CN2008101899175A CN200810189917A CN101770306B CN 101770306 B CN101770306 B CN 101770306B CN 2008101899175 A CN2008101899175 A CN 2008101899175A CN 200810189917 A CN200810189917 A CN 200810189917A CN 101770306 B CN101770306 B CN 101770306B
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Abstract
The invention relates to a touch control plate and an electronic device, wherein the touch control plate is configured on a host machine of the electronic device. The touch control plate comprises a light emitting module, a touch control module and a controller. The light emitting module comprises a first light guide plate and a plurality of light emitting elements, wherein the first light guide comprises a plurality of first retaining walls and a plurality of first light guide parts, the first retaining walls are located among the first light guide parts, and each light guide part is provided with a light incidence side; and the light emitting elements are configured beside the light incidence sides. The touch control module is superposed on the first light guide plate. The controller iselectrically connected with the light emitting elements and the touch control module, and controls the illumination of at least part of the light emitting elements according to the sensing result of the touch control module.
Description
Technical field
The invention relates to a kind of electronic installation and Trackpad thereof, and particularly relevant for a kind of electronic installation and illuminated Trackpad thereof.
Background technology
Along with the development of electronics technology and use more and more widely, all trades and professions also increase day by day to use and the degree of dependence of electronic type product, and many people must utilize input media of all kinds (for example keyboard, mouse, contactor control device, trace ball etc.) as data input or control use.Contactor control device does not take up space again owing to the usable floor area scope is less, easy to operate, is incorporated into widely in many electronic type products especially, and notebook computer, PDA(Personal Digital Assistant), mobile phone etc. have all been used contactor control device such as.
Yet different with the input of traditional physical keyboard is, can't tangible input feedback when using Trackpad.Whether just the user can not obtain the elastic tactility and the sense of hearing feedback that produce as physical keyboard when Trackpad is imported, finish so that the user is difficult to confirm its input action.
Summary of the invention
The invention provides a kind of Trackpad, Trackpad can be luminous when the user used Trackpad, so that the feedback of user's vision to be provided.
The invention provides a kind of electronic installation, it has illuminated Trackpad, allows the user obtain the preferable sense of controlling.
The present invention proposes a kind of Trackpad, comprises light emitting module, touch-control module and controller.Light emitting module comprises first light guide plate and a plurality of light-emitting component, and wherein first light guide plate comprises a plurality of first barricades and a plurality of first light guide section.First barricade is between first light guide section, and respectively first light guide section has a light inlet side, and the light-emitting component configuration is written into by the light side.Touch-control module and first light guide plate are superimposed.Controller electrically connects light-emitting component and touch-control module, and it is luminous that controller is controlled to the small part light-emitting component according to the sensing result of touch-control module.
The invention provides a kind of electronic installation, comprise main frame and Trackpad.Trackpad comprises light emitting module, touch-control module and controller.Light emitting module comprises first light guide plate and a plurality of light-emitting component, and wherein first light guide plate comprises a plurality of first barricades and a plurality of first light guide section.First barricade is between first light guide section, and respectively first light guide section has a light inlet side, and the light-emitting component configuration is written into by the light side.Touch-control module and first light guide plate are superimposed.Controller electrically connects light-emitting component and touch-control module, and it is luminous that controller is controlled to the small part light-emitting component according to the sensing result of touch-control module.
In one embodiment of this invention, above-mentioned light-emitting component comprises a plurality of light emitting diodes.
In one embodiment of this invention, above-mentioned light emitting module also comprises one second light guide plate, superimposed with first light guide plate, second light guide plate comprises a plurality of second barricades and a plurality of second light guide section, these second barricades are between these second light guide sections, and these second barricades and these second light guide sections are respectively perpendicular to these first barricades and these first light guide sections.
In one embodiment of this invention, above-mentioned second barricade and second light guide section are one-body molded.
In one embodiment of this invention, the first above-mentioned light guide plate also comprises one first reflection horizon, is positioned at a bottom surface of first light guide plate.
In one embodiment of this invention, above-mentioned light emitting module also comprises an eyeglass, and is superimposed with first light guide plate.Eyeglass has a plurality of point-like breakthrough portion, and these point-like breakthrough portions are right against first light guide section.
In one embodiment of this invention, above-mentioned eyeglass also has one second reflection horizon, is positioned at eyeglass and the superimposed place of first light guide plate.
In one embodiment of this invention, above-mentioned first barricade and first light guide section are one-body molded.
In one embodiment of this invention, the first above-mentioned light guide section has a plurality of printing net-points.
In one embodiment of this invention, above-mentioned printing net-point is adjacent to the distribution density in zone of light inlet side less than the distribution density of these printing net-points away from the zone of light inlet side.
Based on above-mentioned, in Trackpad of the present invention and electronic installation, when the user used Trackpad, Trackpad can be luminous so that feedback to be provided, and controls sense with lifting.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram according to the electronic installation of one embodiment of the invention.
Fig. 2 is the exploded view of Trackpad in the electronic installation of Fig. 1.
Fig. 3 is the exploded view of first light guide plate in the light emitting module of Fig. 2.
Fig. 4 is that first light guide plate of Fig. 2 is along the sectional view on S plane.
Fig. 5 is the sectional view of first light guide plate in the light emitting module of another embodiment of the present invention.
Fig. 6 A is the synoptic diagram of the electronic installation of another embodiment of the present invention.
Fig. 6 B is the exploded view of Trackpad in the electronic installation of Fig. 6 A.
Fig. 7 A is the partial schematic diagram of first light guide plate and light-emitting component in the illuminating module of another embodiment of the present invention.
Fig. 7 B is the part sectioned view of first light guide plate of Fig. 7 A.
Fig. 8 is the synoptic diagram of the electronic installation of another embodiment of the present invention.
Fig. 9 is the exploded view of Trackpad in the electronic installation of Fig. 8.
Figure 10 is the sectional view of the eyeglass of Fig. 9.
Embodiment
Fig. 1 is the synoptic diagram according to the electronic installation of one embodiment of the invention.Fig. 2 is the exploded view of Trackpad in the electronic installation of Fig. 1.Please also refer to Fig. 1 and Fig. 2, electronic installation 100 comprises a main frame 110 and a Trackpad 200, and Trackpad 200 is disposed on the main frame 110.In the present embodiment, Trackpad 200 comprises a light emitting module 210, a touch-control module 220 and a controller 230.Light emitting module 210 comprises one first light guide plate 212 and a plurality of light-emitting component 214, and wherein light-emitting component 214 for example is light emitting diode.First light guide plate 212 comprises a plurality of first barricades 216 and a plurality of first light guide sections 218, and these first barricades 216 are between these first light guide sections 218.Fig. 3 is the exploded view of first light guide plate in the light emitting module of Fig. 2.Please refer to Fig. 2 and Fig. 3, each first light guide section 218 and first barricade 216 are to be stripe-arrangement best, and wherein each first light guide section 218 has a light inlet side 218a, and these light-emitting components 214 are disposed at by these light inlet sides 218a.
In the present embodiment, touch-control module 220 for example is resistance-type or capacitive touch-control module, the change of characteristic electron when it mainly utilizes the user to control touch-control module 220 (capacitance, resistance value etc.) and detect the source of pressing, and via special IC (ASIC, Application-Specific Integrated Circuit) computing produces cursor signal, and the calculation function of special IC calculates the towing amount in the source of pressing by this, and then makes above-mentioned cursor signal produce the effect of towing.Touch-control module 220 and first light guide plate 212 are superimposed mutually.Controller 230 electrically connects light-emitting components 214 and touch-control modules 220, and it is luminous that this controller 230 is controlled to these light-emitting components 214 of small part according to the sensing result of touch-control module 220.
In Trackpad 200 of the present invention, when the user contacts Trackpad 200, this Trackpad 200 can visually obtain the feedback signal of Trackpad 200 the luminous user of allowing of at least part of area, to allow the user control electronic installation 100 via Trackpad 200 more easily.
Refer again to Fig. 2 and Fig. 3, because first barricade 216 and first light guide section 218 dispose alternately, and by the light-emitting component 214 that is positioned at light inlet side 218a, so light emitting module 210 is formed as the luminous pattern among Fig. 1 on Trackpad 200.Moreover, in the Trackpad 200 of present embodiment, be contacted with diverse location on the Trackpad 200 along with touch-control module 220 senses the user, controller 230 also can carry out luminous according to the light-emitting component 214 that the sensing result of touch-control module 220 is controlled with respect to user's position contacting.Thus, the light-emitting zone on the Trackpad 200 just can the change thereupon along with the movement of user's contact position.This measure allows the user when operation Trackpad 200, promotes the user for the sense of controlling of electronic installation 100 in visually producing dynamic picture effect.Though contacting Trackpad 200 at this with the user is that example explains, according to the property difference of different touch-control modules 220, also may when directly not contacting Trackpad 200, the user can sense the position of other instruments such as user's finger or pointer.In the present embodiment, light emitting module 210 is superimposed on touch-control module 220 and comparatively near the user.Right the present invention does not limit this, touch-control module 220 also can be superimposed on light emitting module 210 and comparatively near the user.
Moreover first light guide plate 212 also comprises one first reflection horizon 244, is disposed at a bottom surface 212b of first light guide plate 212.This first reflection horizon 244 for example is easily reflective diaphragm of white, it is attached at the bottom surface 212b of first light guide plate 212, so that light-emitting component 214 is when luminous, the light that scatters to bottom surface 212b can be by 244 reflections of first reflection horizon, to increase the brightness of first light guide plate 212.In addition, in another not shown embodiment, first reflection horizon also with white easily reflective printing ink coat the bottom surface 212b of first light guide plate 212 so that light can be by first reflective layer reflects, and make the 212 increase brightness of first light guide plate.
On the other hand, in the present embodiment, first light guide section 218 has a plurality of site 212a, and it is positioned at the end face 218b of first light guide section 218.When this measure makes the light that enters first light guide section 218 run into these printing net-points 212a, avoided total reflection and have an opportunity to produce significantly optical path change and spread out of first light guide section 218, so that first light guide section 218 produces light source uniformly.Moreover, because first light guide section 218 can weaken gradually away from light inlet side 218a place light source, therefore these printing net-points 212a be adjacent to light inlet side 218a the distribution density in zone less than the distribution density of printing net-point 212a away from the zone of light inlet side 218a, to remedy the situation that light source that light-emitting component 214 produced weakens apart from increase in first light guide section, 218 internal causes.
In addition, in order to reach above-mentioned Density Distribution, not only can be set about by the quantity that increases printing net-point 212a, also can adjust printing net-point 212a diverse location size.Certainly, printing net-point 212a also can be presented by other form, and the means of reaching above-mentioned Density Distribution also are not limited to above-mentioned means.
Fig. 4 is that first light guide plate of Fig. 2 is along the sectional view on S plane.Please refer to Fig. 4, in the present embodiment, first barricade 216 and first light guide section 218 are to be assembled into one after forming respectively again, but first barricade 216 and first light guide section 218 also can together be made in the mode that adopts double-material jet formation, cost and the manpower of required cost when saving indivedual making with assembling.
Fig. 5 is the sectional view of first light guide plate in the light emitting module of another embodiment of the present invention, please refer to Fig. 5, and different with above-described embodiment is that the top 224 of first barricade 222 and the end face 228 of first light guide section 226 are kept a suitable distance.When this measure made light-emitting component 214 luminous, the user can not see the separator bar that first light guide section 226 causes, and makes luminous pattern that preferable texture visually be arranged.
Fig. 6 A is the synoptic diagram of the electronic installation of another embodiment of the present invention.Fig. 6 B is the exploded view of Trackpad in the electronic installation of Fig. 6 A.Please also refer to Fig. 6 A and Fig. 6 B, the light emitting module 210 in above-described embodiment, in the electronic installation 104 of present embodiment, the light emitting module 250 of Trackpad 204 has increased by one second light guide plate 252, and itself and first light guide plate 212 are superimposed.This second light guide plate 252 comprises a plurality of second barricades 254 and a plurality of second light guide sections 256, and wherein these second barricades 254 are between these second light guide sections 256.It should be noted that these second barricades 254 and these second light guide sections 256 respectively perpendicular to first barricade 216 and first light guide section 218, just therefore when finger presses Trackpad Trackpad 204, form the luminous pattern as shown in Fig. 6 A.
Similarly, in the present embodiment, second light guide section 256 of second light guide plate 252 of Fig. 6 B and second barricade 254 give combination after can adopting and making respectively again, also can adopt the mode of extra quality ejaculation together to make.At this, the present invention does not limit the combining form of these barricades and these light guide sections.
Fig. 7 A is the partial schematic diagram of first light guide plate and light-emitting component in the illuminating module of another embodiment of the present invention.Fig. 7 B is the part sectioned view of first light guide plate of Fig. 7 A.Structure for clear expression first light guide plate 258 is represented by dotted lines first barricade 236 among Fig. 7 A at this.Please also refer to Fig. 7 A and Fig. 7 B, first light guide section 226 is superimposed on first barricade 224 in above-described embodiment, present embodiment then is that first barricade 236 is superimposed on first light guide section 232, it is other that light-emitting component 214 is disposed at first light guide section 232, and light-emitting component 214 comes down to be positioned at the middle layer of first light guide section 232 but not bottom, and this measure can reduce the light scattering to improve first light guide section 232 for the utilization factor of light source.
It should be noted that in addition the top 234 of first light guide section 232 and the end face 238 of first barricade 236 keep a suitable distance.Therefore, when light-emitting component 214 was not luminous, first light guide plate 258 showed the surface that is as good as with known Trackpad.Moreover when light-emitting component 214 was luminous, light source can penetrate first barricade 236 and spread out of first light guide plate 258 from first light guide section 232, and shows the straight line luminous pattern of point-like.
Fig. 8 is the synoptic diagram of the electronic installation of another embodiment of the present invention.Fig. 9 is the exploded view of Trackpad in the electronic installation of Fig. 8.Please also refer to Fig. 8 and Fig. 9, different with above-described embodiment is, in the Trackpad 202 of the electronic installation 102 of present embodiment, light emitting module 240 also comprises an eyeglass 242, and it is stacked on first light guide plate 212.This eyeglass 242 has a plurality of point-like breakthrough portion 242a, and these point-like breakthrough portions 242a is right against first light guide section 218, so that the light that spreads out of from first light guide section 218 by these point-like breakthrough portions 242a, so just makes light emitting module 240 form as shown in Figure 8 point-like luminous pattern when luminous.
Figure 10 is the sectional view of the eyeglass of Fig. 9.Please also refer to Fig. 9 and Figure 10, in the present embodiment, the point-like breakthrough portion 242a on the eyeglass 242 for example is in addition etching and the zone of causing light to pass through behind eyeglass 242 surface plating photomasks 246.Moreover, eyeglass 242 also has one second reflection horizon 248, it is positioned at the superimposed place of eyeglass 242 and first light guide plate 212, its purpose is not from light reflected back first reflection horizon 244 that point-like breakthrough portion 242a penetrates, so that light can constantly be reflected, thereby increase by first light guide plate 212 for the utilization factor of light between first reflection horizon 244 and second reflection horizon 248.This second reflection horizon 248 for example is at the easy reflective printing ink of photomask 246 coating one decks white, or with white easily reflective diaphragm be attached on the eyeglass 242.At this, the present invention does not limit the mode of making in these point-like breakthrough portion 242a and second reflection horizon 248.In another not shown embodiment of the present invention, the production method that eyeglass can also similar first light guide plate 212, with eyeglass by a covering and a point-like penetrating member be combined into.
Refer again to Fig. 9, first light guide section 218 has a plurality of printing net-point 212a, and these printing net-points 212a is positioned at the bottom surface 218c of first light guide section 218.Yet the present invention does not limit the position of these printing net-points 212a on first light guide section 218.In another not shown embodiment of the present invention, printing net-point also can be positioned at end face and the bottom surface of first light guide section simultaneously, so that first light guide plate 212 produces light source uniformly.
In sum, electronic installation of the present invention is because its Trackpad has light emitting module, therefore when user's operation touch control board, Trackpad can be luminous in user's position contacting, as the sense organ feedback of Trackpad for the user, allow the user that electronic installation is had the preferable sense of controlling with visually by this.
Though the present invention discloses as above with embodiment; so it is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (18)
1. a Trackpad is characterized in that, comprising:
Light emitting module, comprise first light guide plate and a plurality of light emitting diode, wherein above-mentioned first light guide plate comprises a plurality of first barricades and a plurality of first light guide section, above-mentioned these first barricades are between above-mentioned these first light guide sections, each above-mentioned first light guide section has the light inlet side, and above-mentioned these light emitting diodes are disposed at by above-mentioned these light inlet sides;
Touch-control module, superimposed with above-mentioned first light guide plate, and make these light emitting diode positions below described touch-control module; And
Controller, electrically connect above-mentioned these light emitting diodes and above-mentioned touch-control module, above-mentioned controller is controlled to above-mentioned these lumination of light emitting diode of small part according to the sensing result of above-mentioned touch-control module, to make these light emitting diodes luminous along with position on Trackpad of user contact.
2. Trackpad according to claim 1, it is characterized in that, wherein above-mentioned light emitting module also comprises second light guide plate, superimposed with above-mentioned first light guide plate, above-mentioned second light guide plate comprises a plurality of second barricades and a plurality of second light guide section, above-mentioned these second barricades are between above-mentioned these second light guide sections, and above-mentioned these second barricades and above-mentioned these second light guide sections are respectively perpendicular to above-mentioned these first barricades and above-mentioned these first light guide sections.
3. Trackpad according to claim 2 is characterized in that, wherein above-mentioned these second barricades and above-mentioned these second light guide sections are one-body molded.
4. Trackpad according to claim 1 is characterized in that, wherein above-mentioned first light guide plate also comprises first reflection horizon, is positioned at the bottom surface of above-mentioned first light guide plate.
5. Trackpad according to claim 1 is characterized in that, wherein above-mentioned light emitting module also comprises eyeglass, and is superimposed with above-mentioned first light guide plate, and above-mentioned eyeglass has a plurality of point-like breakthrough portion, and above-mentioned these point-like breakthrough portions are right against above-mentioned these first light guide sections.
6. Trackpad according to claim 5 is characterized in that, wherein above-mentioned eyeglass also has second reflection horizon, is positioned at above-mentioned eyeglass and the superimposed place of above-mentioned first light guide plate.
7. Trackpad according to claim 1 is characterized in that, wherein above-mentioned these first barricades and above-mentioned these first light guide sections are one-body molded.
8. Trackpad according to claim 1 is characterized in that, wherein above-mentioned these first light guide sections have a plurality of printing net-points.
9. Trackpad according to claim 8 is characterized in that, wherein above-mentioned these printing net-points are adjacent to the distribution density in zone of above-mentioned these light inlet sides less than the distribution density of above-mentioned these printing net-points away from the zone of above-mentioned these light inlet sides.
10. an electronic installation is characterized in that, comprising:
Main frame;
Trackpad is disposed at above-mentioned main frame, and above-mentioned Trackpad comprises:
Light emitting module, comprise first light guide plate and a plurality of light emitting diode, wherein above-mentioned first light guide plate comprises a plurality of first barricades and a plurality of first light guide section, above-mentioned these first barricades are between above-mentioned these first light guide sections, each above-mentioned first light guide section has the light inlet side, and above-mentioned these light emitting diodes are disposed at by above-mentioned these light inlet sides;
Touch-control module, superimposed with above-mentioned first light guide plate, and make these light emitting diode positions below described touch-control module; And
Controller, electrically connect above-mentioned these light emitting diodes and above-mentioned touch-control module, above-mentioned controller is controlled to above-mentioned these lumination of light emitting diode of small part according to the sensing result of the above-mentioned touch-control module of contact, to make these light emitting diodes luminous along with position on Trackpad of user contact.
11. electronic installation according to claim 10, it is characterized in that, wherein above-mentioned light emitting module also comprises second light guide plate, superimposed with above-mentioned first light guide plate, above-mentioned second light guide plate comprises a plurality of second barricades and a plurality of second light guide section, above-mentioned these second barricades are between above-mentioned these second light guide sections, and above-mentioned these second barricades and above-mentioned these second light guide sections are respectively perpendicular to above-mentioned these first barricades and above-mentioned these first light guide sections.
12. electronic installation according to claim 11 is characterized in that, wherein above-mentioned these second barricades and above-mentioned these second light guide sections are one-body molded.
13. electronic installation according to claim 10 is characterized in that, wherein above-mentioned first light guide plate also comprises first reflection horizon, is positioned at the bottom surface of above-mentioned first light guide plate.
14. electronic installation according to claim 10, it is characterized in that wherein above-mentioned light emitting module also comprises eyeglass, be stacked at above-mentioned first light guide plate, above-mentioned eyeglass has a plurality of point-like breakthrough portion, and above-mentioned these point-like breakthrough portions are right against above-mentioned these first light guide sections.
15. electronic installation according to claim 14 is characterized in that, wherein above-mentioned eyeglass also has second reflection horizon, is positioned at above-mentioned eyeglass and the superimposed place of above-mentioned first light guide plate.
16. electronic installation according to claim 10 is characterized in that, wherein above-mentioned these first barricades and above-mentioned these first light guide sections are one-body molded.
17. electronic installation according to claim 10 is characterized in that, wherein above-mentioned these first light guide sections have a plurality of printing net-points.
18. electronic installation according to claim 17 is characterized in that, wherein above-mentioned these printing net-points are adjacent to the distribution density in zone of above-mentioned these light inlet sides less than the distribution density of above-mentioned these printing net-points away from the zone of above-mentioned these light inlet sides.
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| CN2008101899175A CN101770306B (en) | 2008-12-31 | 2008-12-31 | Touch control plate and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101899175A CN101770306B (en) | 2008-12-31 | 2008-12-31 | Touch control plate and electronic device |
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| CN101770306A CN101770306A (en) | 2010-07-07 |
| CN101770306B true CN101770306B (en) | 2013-09-18 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907957A (en) * | 2010-08-12 | 2010-12-08 | 苏州佳世达电通有限公司 | Optical touch device with light leak suppressing structure |
| CN101963870A (en) * | 2010-08-20 | 2011-02-02 | 苏州佳世达电通有限公司 | Light guide column with light weakening structure and optical touch device thereof |
| CN109388293A (en) * | 2018-09-29 | 2019-02-26 | 苏州达方电子有限公司 | Trackpad and electronic equipment with light-emitting function |
| CN111722734B (en) | 2019-03-20 | 2024-01-02 | 群光电能科技股份有限公司 | Luminous touch panel device |
| CN111722758B (en) * | 2019-03-20 | 2023-09-29 | 群光电能科技股份有限公司 | Luminous touch panel device |
| TWI720774B (en) * | 2019-03-20 | 2021-03-01 | 群光電能科技股份有限公司 | Light emitting touch pad device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643390Y (en) * | 2003-08-21 | 2004-09-22 | 陈修志 | Electronic apparatus for located lightening touch screen |
| CN200965575Y (en) * | 2006-10-25 | 2007-10-24 | 毅嘉科技股份有限公司 | Light guide plate and key module using this light guide plate |
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- 2008-12-31 CN CN2008101899175A patent/CN101770306B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643390Y (en) * | 2003-08-21 | 2004-09-22 | 陈修志 | Electronic apparatus for located lightening touch screen |
| CN200965575Y (en) * | 2006-10-25 | 2007-10-24 | 毅嘉科技股份有限公司 | Light guide plate and key module using this light guide plate |
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