CN203773510U - Laterally-luminous LED touch screen device - Google Patents
Laterally-luminous LED touch screen device Download PDFInfo
- Publication number
- CN203773510U CN203773510U CN201420167825.8U CN201420167825U CN203773510U CN 203773510 U CN203773510 U CN 203773510U CN 201420167825 U CN201420167825 U CN 201420167825U CN 203773510 U CN203773510 U CN 203773510U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- emitting led
- touch
- panel device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a laterally-luminous LED touch screen device. The laterally-luminous LED touch screen device comprises a touchpad with a plurality of touch icons and a circuit board located below the touchpad. A plurality of metal electrodes which correspond to the touch icons respectively and are mutually spaced evenly are arranged on the circuit board, a plurality of laterally-luminous LED light sources which correspond to the metal electrodes are arranged on the two transverse edges of the circuit board respectively, and each set of laterally-luminous LED light sources is related to one adjacent metal electrode in the metal electrodes. A light guide plate is further arranged between the touchpad and the circuit board, hollowed-out grooves corresponding to gaps between the metal electrodes are formed in the light guide plate, a reflecting sheeting is arranged on the lower side of the light guide plate, a diffusion film is arranged on the upper side of the light guide plate, and the walls of the hollowed-out grooves of the light guide plate are coated with reflecting glue. The light guide plate enables light emitting out by the laterally-luminous LED light sources to be led out upwards, light-emitting evenness and the backlight effect are guaranteed, and the laterally-luminous LED touch screen device is simple in structure and low in production cost.
Description
Technical field
The utility model relates to a kind of touch panel device, relates in particular to high, the lower-cost side-emitting LED touch panel device for lighting of home light fixture of a kind of backlight effect uniformity coefficient.
Background technology
At present, capacitance touch control flow is being widely used in every field, such as having mobile phone, panel computer and some compact electric apparatus of touch function etc.Existing touch screen technology mainly contains two schemes: a kind of is that to use touch control on small household appliances to shield this scheme be on circuit board, to increase positive luminescence LED, product irradiation be with figuratum contact panel, thereby contact panel is more easily identified.But the defect of this scheme is that backlight effect uniformity coefficient is poor, and pattern is not attractive in appearance.Another kind of scheme is the touch control screen using on the mobile communications device of the mobile phone such as touch function, it is to have increased touch function on the basis of display screen, although this scheme display effect is good, price is too expensive, so fail to be widely used on the contact panel of small electric apparatus.
Utility model content
The purpose of this utility model is to provide the side-emitting LED touch panel device for lighting of home light fixture that a kind of backlight effect uniformity coefficient is high, production cost is lower.
The technical solution adopted in the utility model is: a kind of side-emitting LED touch panel device, comprise the circuit board that is provided with the touch pad of multiple touch icons and is positioned at touch pad below, on circuit board, be provided with corresponding with multiple touch icons respectively, even isolated multiple metal electrodes each other, at two transverse edge places of circuit board, be respectively arranged with the multiple side-emitting LED light sources corresponding with metal electrode, two one group of multiple side-emitting LED light source and controlled separately, and every group of side-emitting LED light source is associated with an adjacent metal electrode in multiple metal electrodes, between touch pad and circuit board, be also provided with light guide plate, in light guide plate, be provided with the corresponding hollow out groove in gap between metal electrode, the downside of light guide plate is provided with the reflectorized material for reflection ray, upside is provided with the diffusion barrier for diffusing light, and on the cell wall of the hollow out groove of light guide plate, is coated with for preventing that light from illuminating the reflective glue of other touch icons.
Preferably, multiple metal electrodes are between side-emitting LED light source.
Preferably, reflectorized material is reflective sheeting.
Preferably, touch pad and light guide plate are close to setting.
Preferably, LED light source is LED lamp.
Preferably, the rectangular structure of the shape of touch panel device.
Preferably, the touch icon on touch pad is the colored printing icon that mainly plays mark action.
Preferably, light guide plate is made up of polymethylmethacrylate.
The beneficial effects of the utility model are: owing to having adopted technique scheme, the light that light guide plate of the present utility model is sent side-emitting LED light source is upwards derived, ensured uniformity coefficient and the backlight effect of bright dipping, and the utility model is simple in structure, production cost is lower.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein:
Touch icon 1, touch pad 2, light guide plate 3, hollow out groove 4, LED lamp 5, metal electrode 6, circuit board 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model relates to a kind of capacitance touch control flow device; the principle of capacitance touch control technology is to utilize the electric current induction of human body to carry out work; surface of metal electrode covers insulating protective layer; in the time that finger touch is on insulating protective layer; due to people's bulk electric field; user and surface of metal electrode form with a coupling capacitance, and control module receives and transmit this signal, sends command adapted thereto.Backlight is luminous by light guide plate by the just luminous or side of LED, illuminates touch pad or touch-screen.The touch-screen of prior art mainly contains following two schemes: a kind of is to use touch control on small household appliances screen, and this scheme is on circuit board, to increase positive luminescence LED, product irradiation be with figuratum contact panel, thereby contact panel is more easily identified.But the defect of this scheme is that backlight effect uniformity coefficient is poor, and pattern is not attractive in appearance.Another kind of scheme is the touch control screen using on the mobile communications device of the mobile phone such as touch function, it is to have increased touch function on the basis of display screen, although this scheme display effect is good, price is too expensive, so fail to be widely used on the contact panel of small electric apparatus.
Fig. 1 shows schematic structure decomposition view of the present utility model, wherein, this touch panel device comprises the circuit board 7 that is provided with the touch pad 2 of multiple touch icons 1 and is positioned at touch pad 2 belows, on circuit board 7, be provided with corresponding with multiple touch icons 1 respectively, even isolated multiple metal electrodes 6 each other, at two transverse edge places of circuit board 7, be respectively arranged with the multiple side-emitting LED lamps 5 corresponding with metal electrode 6, 5 two one group, multiple side-emitting LED lamps and controlled separately, and every group of side-emitting LED lamp 5 is associated with an adjacent metal electrode in multiple metal electrodes 4, between touch pad 2 and circuit board 7, be also provided with light guide plate 3, in light guide plate 3, be provided with the corresponding hollow out groove 4 in gap between metal electrode 6, the downside of light guide plate 3 is provided with the reflective sheeting for reflection ray, upside is provided with the diffusion barrier for diffusing light, and on the cell wall of the hollow out groove 4 of light guide plate 3, is coated with for preventing that light from illuminating the reflective glue of other touch icons 1.
In such scheme, touch pad 2 is close to setting with light guide plate 3, the rectangular structure of shape of touch panel device, the touch icon 1 on touch pad 2 is the colored printing icon that mainly plays mark action, light guide plate 3 is made up of polymethylmethacrylate (PMMA).Can also use all-purpose printer or UV printer repeatedly repeat print colored printing touch icon.
With respect to prior art, the light that light guide plate 3 of the present utility model is sent side-emitting LED lamp 5 is upwards derived, and has ensured uniformity coefficient and the backlight effect of bright dipping, and the utlity model has technical advantage simple in structure, production cost is lower.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and variations.Here cannot give exhaustive to all embodiments.Everyly belong to apparent variation or the still row in protection domain of the present utility model of variation that the technical solution of the utility model amplifies out.
Claims (8)
1. a side-emitting LED touch panel device, comprise the circuit board that is provided with the touch pad of multiple touch icons and is positioned at touch pad below, on described circuit board, be provided with corresponding with described multiple touch icons respectively, even isolated multiple metal electrodes each other, it is characterized in that, at two transverse edge places of described circuit board, be respectively arranged with the multiple side-emitting LED light sources corresponding with described metal electrode, two one group of described multiple side-emitting LED light source and controlled separately, and every group of side-emitting LED light source is associated with an adjacent metal electrode in described multiple metal electrodes, between described touch pad and circuit board, be also provided with light guide plate, in described light guide plate, be provided with the corresponding hollow out groove in gap between described metal electrode, the downside of described light guide plate is provided with the reflectorized material for reflection ray, upside is provided with the diffusion barrier for diffusing light, and on the cell wall of the hollow out groove of described light guide plate, is coated with for preventing that light from illuminating the reflective glue of other touch icons.
2. side-emitting LED touch panel device according to claim 1, is characterized in that, described multiple metal electrodes are between described side-emitting LED light source.
3. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, described reflectorized material is reflective sheeting.
4. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, described touch pad and light guide plate are close to setting.
5. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, described LED light source is LED lamp.
6. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, the rectangular structure of shape of described touch panel device.
7. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, the touch icon on described touch pad is the colored printing icon that mainly plays mark action.
8. side-emitting LED touch panel device according to claim 1 and 2, is characterized in that, described light guide plate is made up of polymethylmethacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167825.8U CN203773510U (en) | 2014-04-01 | 2014-04-01 | Laterally-luminous LED touch screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167825.8U CN203773510U (en) | 2014-04-01 | 2014-04-01 | Laterally-luminous LED touch screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773510U true CN203773510U (en) | 2014-08-13 |
Family
ID=51290675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167825.8U Expired - Lifetime CN203773510U (en) | 2014-04-01 | 2014-04-01 | Laterally-luminous LED touch screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731042A (en) * | 2017-04-25 | 2018-11-02 | 浙江绍兴苏泊尔生活电器有限公司 | Touch control key of electromagnetic oven |
| CN116149430B (en) * | 2023-02-24 | 2024-01-12 | 苏州天立达精密科技股份有限公司 | Notebook computer touch panel backlight module |
-
2014
- 2014-04-01 CN CN201420167825.8U patent/CN203773510U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731042A (en) * | 2017-04-25 | 2018-11-02 | 浙江绍兴苏泊尔生活电器有限公司 | Touch control key of electromagnetic oven |
| CN116149430B (en) * | 2023-02-24 | 2024-01-12 | 苏州天立达精密科技股份有限公司 | Notebook computer touch panel backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |