CN202584075U - Optical touch-control module - Google Patents
Optical touch-control module Download PDFInfo
- Publication number
- CN202584075U CN202584075U CN 201220000230 CN201220000230U CN202584075U CN 202584075 U CN202584075 U CN 202584075U CN 201220000230 CN201220000230 CN 201220000230 CN 201220000230 U CN201220000230 U CN 201220000230U CN 202584075 U CN202584075 U CN 202584075U
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- China
- Prior art keywords
- optical touch
- space
- framework
- photosensitive device
- pedestal
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- Expired - Fee Related
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Abstract
The utility model discloses an optical touch-control module. The optical touch-control module comprises a frame body, a display module, at least one photosensitive device and at least one reflective component, wherein the frame body is formed by encircling a plurality of side walls, and an operation space is defined in the frame body; the display module is assembled in the frame body and comprises a base and a touch control panel arranged on the base, a first space and a second space are respectively kept between the base and two opposite side walls of the frame body, and the touch control panel is directly adjacent to and placed in the operation space; each photosensitive device is provided with a fixing part and a detecting part and arranged in the first space; and each reflective component is arranged in the second space opposite to the first space and provided with a reflecting face, and the reflecting face is substantially on the same horizontal plane together with the detecting part and aligns with the detecting part. The optical touch-control module has greatly reduced integral structure thickness and further is lower in manufacturing cost.
Description
Technical field
The utility model is meant the optical touch module of a kind of simple structure and thickness reduction especially about a kind of touch module.
Background technology
Contact panel technological of a great variety; Lifting along with processing procedure and quality; The scope that contact panel is employed is more and more; Especially the exploitation of optical touch control technology more makes touch technology march toward brand-new field, and compared to other technology, optical touch control has accurately, penetrance is high, spoilage is low, cost of manufacture is hanged down advantages such as also can supporting the multi-point touch gesture.
The optical touch screen is to utilize light source to receive the blocking principle, through the cooperation of sensor and reflecting component, when object blocking light, judges and the exact position, location via axis.It is on glass that traditional optical Touch Screen system is located at touch-control with sensor and reflecting component, and touch-control glass and LCD (LCD) and substrate space, so drop is big between the touch surface of traditional optical Touch Screen and substrate; Its thickness is increased, and cause assembling process to be difficult for, relative cost improves; More be not inconsistent the demand of market thin design; And touch-control glass is located at the LCD top, and maintenance brings inconvenience for LCD, also damages sensor and reflecting component easily.
The utility model content
The purpose of the utility model is to provide a kind of structure to simplify the optical touch module of frivolous and easy use.
For achieving the above object, the utility model provides a kind of optical touch module, comprises that a framework, shows module, at least one photosensitive device and at least one reflecting assembly, and framework is established by several sidewall frame and formed, and definition has an operating space in it; Show that module is assembled in this framework and comprises a pedestal and one of be located on this pedestal contact panel, the two lateral walls of this pedestal and this framework keeps first respectively at interval and second at interval, and this contact panel is direct neighbor and opens at this operating space; Photosensitive device has a fixed part and detecting part, and this photosensitive device is located in this first interval; Reflecting assembly is located in this second interval at relative this first interval, and this reflecting assembly has a reflective surface, and it roughly is positioned at same surface level with this detecting part, and in alignment with this detecting part.
The two lateral walls of said framework stretches out an architrave to said operating space respectively, and it has an inside surface, and its two architrave lays respectively at top at interval, said first interval and second, and this inside surface is parallel to said contact panel.
The fixed part of said photosensitive device and said reflecting assembly are located on the said pedestal, and respectively with said framework space.
The periphery of the adjacent said contact panel of said pedestal further is provided with a spacer, and the fixed part of said photosensitive device and said reflecting assembly are located at respectively on this spacer.
The fixed part of said photosensitive device and said reflecting assembly are located on the said framework, and respectively with said demonstration module space.
The fixed part of said photosensitive device is located on the said pedestal, and with said framework space, said reflecting assembly is located on this framework, and with said pedestal space.
Said contact panel is a LCD.
As stated, the utility model optical touch module can significantly reduce one-piece construction thickness, and then reduces manufacturing cost.
Description of drawings
Fig. 1 is the diagrammatic cross-section of first kind of embodiment of the utility model optical touch module.
Fig. 2 is the diagrammatic cross-section of second kind of embodiment of the utility model optical touch module.
Fig. 3 is the diagrammatic cross-section of the third embodiment of the utility model optical touch module.
Embodiment
By the technology contents, the structural attitude that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
See also Fig. 1, be the diagrammatic cross-section of first kind of embodiment of the utility model, the utility model provides a kind of optical touch module 1; Be used to provide image to show; And can reach the function that controls through the single-point or the multi-point touch of contact panel, and this optical touch module 1 comprises that a framework 2, shows module 3, two photosensitive devices 4 and several reflecting assemblies 5, this framework 2 is established by several sidewall 23 frames and is formed a rectangular frame; But the shape that its frame is established is not as limit; It is operating space 20 that its frame is established the definition space that forms, and wherein two lateral walls 23 stretches out an architrave 231 to this operating space 20 respectively, and it has an inside surface 232; Offer a piece of advice it, this two side 23 and these architrave 231 common sections that form an inverted L shape.
This demonstration module 3 is assembled in this framework 2 and comprises a pedestal 31 and be located at the contact panel 32 on this pedestal 31, and the two lateral walls 23 of this pedestal 31 and this framework 2 and this architrave 231 keep 21 and second interval 22, first interval respectively, in other words; This two architrave 231 lays respectively at 22 top at interval, this first interval 21 and second; And surface 232 is parallel to this contact panel 32 within this architrave 231, and what pay special attention to is that these contact panel 32 direct neighbors also open at this operating space 20; That is the top of this contact panel 32 does not have other member; And the bottom surface of this contact panel 32, promptly a side of relative this operating space 20 is electrically connected on this pedestal 31; In this embodiment; This contact panel 32 is to be LCD (LCD), and in addition, these pedestal 31 adjacent these contact panel 32 Dare peripheries 311 further are provided with a spacer 33 (shown in the 1st).
Please continue and consult Fig. 1, the utility model optical touch module 1 has two photosensitive devices 4, and it is located at respectively in this first interval 21; That is this architrave 231 is positioned on this photosensitive device 4, can hide and protect this photosensitive device 4, and each photosensitive device 4 comprises a fixed part 41 and detecting part 42 and electrically connects a touch-control IC (figure does not show); In this preferred embodiment; This photosensitive device 4 is a kind of camera head, and it is located at the corner of this demonstration module 3, and wherein this fixed part 41 is fixed on the spacer 33 of this pedestal 31; And respectively with these framework 2 spaces, this detecting part 42 is towards this operating space 20.
This reflecting assembly 5 has a reflective surface 51, be located at relatively this first at interval 21 this second at interval in 22, and be fixed in this second 22 interior spacers 33 at interval, this reflective surface 51 and this detecting part 42 roughly are positioned at same surface level, and in alignment with this detecting part 42.
In this embodiment, this reflecting assembly 5 can be reflection bar, is distributed in the part periphery of this pedestal 31, in order to light is reflected and photosensitive device 4 detectings are responded to.In addition; The light emitting source 43 of the utility model can use light emitting diode (LED) assembly (as shown in Figure 1) or other luminescence component to produce; This operating space 20 of the light of its ejaculation is to this reflecting assembly 5, and this light emitting source 43 can be located on this photosensitive device 4, or adjacent this photosensitive device 4.
See also Fig. 2; Second kind of embodiment for the utility model; Wherein this photosensitive device 4 and this reflecting assembly 5 be located at respectively to should first and second at interval on 21,22 the framework 2, and show module 3 spaces with this, offer a piece of advice it; Fixed part 41 and this reflecting assembly 5 of this photosensitive device 4 is attached at the inside surface 232 of this architrave 231, and the reflective surface 51 of this reflecting assembly 5 is aimed at this detecting part 42.
See also Fig. 3; The third embodiment for the utility model; Wherein the configuration of this photosensitive device 4 and this reflecting assembly 5 also can be: this photosensitive device 4 is located on this pedestal 31, and with these framework 2 spaces, and this reflecting assembly 5 is located at the architrave 231 of this framework 2; And with these pedestal 31 spaces, the reflective surface 51 of this reflecting assembly 5 is equally in alignment with this detecting part 42.
When the utility model uses, utilize light source to receive the blocking principle, as object; Like finger; When interdicting light and this contact panel 32 of touch-control of this operating space 20, this photosensitive device 4 senses shade to be changed, and carries out computing and then accurately judges the place, position by this touch-control IC.
In sum, the utility model optical touch module 1 does not need to install separately one deck tradition touch-control glass, and directly touch-control LCD touches blank panel 32; Significantly reduce integral thickness; And the minimizing manufacturing cost, and the photosensitive device 4 of the utility model and reflecting assembly 5 be to be located on pedestal 31 or the framework 2, but not be located on the contact panel 32; So can not be affected because of the maintenance of contact panel 32 or damage, help the overall maintenance process.
The above; For the person of ordinary skill of the art; Can make other various corresponding changes and distortion according to the technical scheme and the technical conceive of the utility model, and all these changes and distortion all should belong to the protection domain of the utility model claim.
Claims (7)
1. an optical touch module is characterized in that, comprising:
One framework is established by several sidewall frame and to be formed, and definition has an operating space in it;
One shows module, is assembled in this framework and comprises a pedestal and one of be located on this pedestal contact panel, and the two lateral walls of this pedestal and this framework keeps first respectively at interval and second at interval, and this contact panel direct neighbor also opens at this operating space;
At least one photosensitive device, it has a fixed part and detecting part, and this photosensitive device is located in this first interval; And
At least one reflecting assembly is located in this second interval at relative this first interval, and this reflecting assembly has a reflective surface, and it roughly is positioned at same surface level with this detecting part, and in alignment with this detecting part.
2. optical touch module as claimed in claim 1; It is characterized in that; The two lateral walls of said framework stretches out an architrave to said operating space respectively; It has an inside surface, and its two architrave lays respectively at top at interval, said first interval and second, and this inside surface is parallel to said contact panel.
3. optical touch module as claimed in claim 1 is characterized in that, the fixed part of said photosensitive device and said reflecting assembly are located on the said pedestal, and respectively with said framework space.
4. optical touch module as claimed in claim 3 is characterized in that, the periphery of the adjacent said contact panel of said pedestal further is provided with a spacer, and the fixed part of said photosensitive device and said reflecting assembly are located at respectively on this spacer.
5. optical touch module as claimed in claim 1 is characterized in that, the fixed part of said photosensitive device and said reflecting assembly are located on the said framework, and respectively with said demonstration module space.
6. optical touch module as claimed in claim 1 is characterized in that the fixed part of said photosensitive device is located on the said pedestal, and with said framework space, said reflecting assembly is located on this framework, and with said pedestal space.
7. optical touch module as claimed in claim 1 is characterized in that, said contact panel is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220000230 CN202584075U (en) | 2012-01-04 | 2012-01-04 | Optical touch-control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220000230 CN202584075U (en) | 2012-01-04 | 2012-01-04 | Optical touch-control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202584075U true CN202584075U (en) | 2012-12-05 |
Family
ID=47253466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220000230 Expired - Fee Related CN202584075U (en) | 2012-01-04 | 2012-01-04 | Optical touch-control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202584075U (en) |
-
2012
- 2012-01-04 CN CN 201220000230 patent/CN202584075U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140104 |