CN2938216Y - Optical browing device - Google Patents
Optical browing device Download PDFInfo
- Publication number
- CN2938216Y CN2938216Y CNU2006201213294U CN200620121329U CN2938216Y CN 2938216 Y CN2938216 Y CN 2938216Y CN U2006201213294 U CNU2006201213294 U CN U2006201213294U CN 200620121329 U CN200620121329 U CN 200620121329U CN 2938216 Y CN2938216 Y CN 2938216Y
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- optics
- browsing apparatus
- image
- image element
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- 230000003287 optical effect Effects 0.000 title abstract description 17
- 239000000758 substrate Substances 0.000 claims description 32
- 238000005286 illumination Methods 0.000 claims description 29
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012634 fragment Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
Disclosed is an optical browsing device, whose lighting channel and video channel are integrated. The utility model, which is a miniaturized device which combines an integrated optical system, a mechanism system and a circuit system, comprises an optical path and image element, a shell body and a first baseplate. The optical path and image element is integratedly structured by the video channel and the lighting channel; the shell body comprises a diaphragm and an alignment component, wherein, the diaphragm and the shell body are integratedly formed, while the alignment component is part of the shell body for sheathing and positioning the optical path and image element; the first baseplate comprises a power supply and a sensor, both of which are arranged on the same surface of the baseplate; the light from the light source is received by the sensor through the optical path and image element.
Description
Technical field
The utility model relates to a kind of optics browsing apparatus, especially relates to a kind of optics that is made of light source and sensor and browses sensor.
Background technology
Optics browsing apparatus (optical navigation device) generally includes an optics and browses the electronic chip (electronic chip) that sensor device (optical navigation sensor apparatus), can write down this optics browsing apparatus surface location of living in.The image of the image of this sensor acquisition surface location and the surface location that relatively when this optics browsing apparatus moves, is produced, this image comes record with a very high speed, and this sensor and an electronic circuit cooperate and calculate and determine the shift position of this optics browsing apparatus in level and vertical direction (x and y direction).
As shown in Figure 1, it is the synoptic diagram of known optical browsing apparatus, this optics is browsed sensor device and has been generally included a light source (not shown), for example a light emitting diode (light emittingdiode-LED) defines reflected image (reflected image) regional and that produce this irradiating surface in order to shine one of this optics browsing apparatus surface of living in.Have a passage (channel) to be formed on this sensor 10 in order to the image with this irradiation area in addition, traditionally, these two passages are respectively defined as illumination channel (illumination channel) and image passage (imaging channel).
When assembling, this sensor 10 is fixed on one first printed circuit board (PCB) (PCB) 12, use a reference plane contraposition post (base plate alignment post) 16 that first printed circuit board (PCB) 12 is fixed on one second printed circuit board (PCB) 14 again, pushing down with a cartridge clip (clip) 19 and a plastics shell fragment (plasticspring) 18 and fixing at last.
Yet the light source of known optics browsing apparatus and detecting device are separately independently, and when being installed in system, are not positioned at identical platform, therefore can increase the degree of difficulty of assembling, and cost are higher.In addition, because this Design of device mode, the height of known optics browsing apparatus is higher, can't be applicable to the product that requires miniaturization, simultaneously, also can't be used for the device of multicore sheet.And, the illumination channel of known optics browsing apparatus and image passage be system modular not, its functional test need be carried out separately, and in the production and assembly process, mechanism's contraposition of this product (mechanical alignment) has higher complexity and degree of difficulty.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of optics browsing apparatus, but its system combination multicore sheet comprises source (source) (a for example light source) and detecting device or the like, in order to required illumination optical passage of this optics browsing apparatus and image passage to be provided.And the size Miniaturizable of this optics browsing apparatus, and can utilize various external forms to assemble with miniaturization of surface mount ability (surface mounting capabilities).
Another purpose of the present utility model provides a kind of optics browsing apparatus, it can be applicable to various occasions, comprise hand-held browser (hand held navigation tool), it can be applicable to the operation of mobile phone, and the browsing apparatus of PC and notebook computer.When being applied to mobile phone, optics browsing apparatus of the present utility model can be provided on the display with the 360 degree of freedom moving cursors (cursor) of spending.
A purpose more of the present utility model provides a kind of optics browsing apparatus, and its integrating illumination channel and image passage be in one, and reaches miniaturization and simplify the functional effect of manufacture craft.Optics browsing apparatus of the present utility model is optical system, train of mechanism and Circuits System to be integrated in one miniaturization device.
A purpose more of the present utility model provides a kind of optics browsing apparatus, its integrating illumination channel and image passage are in one, and on substrate, produce a hole, make integrated illumination channel and image passage can pass this hole, to dwindle the size of optics browsing apparatus of the present utility model.
To achieve these goals, the utility model provides a kind of optics browsing apparatus: include a light path and image element, a housing and one first substrate.Wherein light path and image element are made of image passage and the one-body molded institute of illumination channel, this housing comprises a diaphragm (optical stop) and a pair of hyte part (alignment element), wherein this diaphragm and this housing are one-body molded, the contraposition assembly then is the part of housing, in order to coat and to locate this light path and image element, first substrate then includes a light source and a sensor, this light source and sensor are positioned at the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
To achieve these goals, the utility model also provides a kind of optics browsing apparatus, includes a light path and image element, a housing and one first substrate.Light path and image element are by a collimation plane (collimating surface), the image passage that one total internal reflection surface (total internal reflection surface) and a wedge (photo wedge) are constituted and constitute by the illumination channel with non-spherical image minute surface (imaging lens) is one-body molded, housing is in order to carrying and locate this light path and image element, and first substrate comprises a light source and a sensor, wherein, this light source and this sensor are positioned at the same surface of this first substrate, from the light of this light emitted via this light path and image element after, received by this sensor.
For achieving the above object, the utility model also provides a kind of optics browsing apparatus, and this optics browsing apparatus includes: a light path and image element, and it is made of image passage and illumination channel integration institute, and wherein this image passage and this illumination channel are one-body molded; One housing, it comprises a diaphragm and in order to carrying and locate the contraposition assembly of this light path and image element, wherein, this diaphragm is one-body molded with this housing, and this contraposition assembly part that is this housing; And one first substrate, comprise a light source and a sensor, wherein, this light source and this sensor are positioned at the same surface of this first substrate, from the light of this light emitted through this light path and image element after, received by this sensor.
Optics browsing apparatus of the present utility model has following characteristics:
1. optics browsing apparatus of the present utility model is integrated in one with illumination channel and image passage, thereby has realized the effect of miniaturization and simplification manufacture craft.
2. optics browsing apparatus of the present utility model is for being integrated in optical system, train of mechanism and Circuits System the miniaturization device of one.
3. optics browsing apparatus of the present utility model can be applicable to various occasions, comprises the hand-held browser, for example can be used for the operation of mobile phone, and the browsing apparatus of PC and notebook computer.
4. by making the printed circuit board (PCB) of scribing have a hole, make the combination of this light path and image element and this housing can pass the hole of this printed circuit board (PCB), can effectively reduce the height of whole optics browsing apparatus.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the synoptic diagram of known optics browsing apparatus;
Fig. 2 is the synoptic diagram of first embodiment of optics browsing apparatus of the present utility model;
Fig. 3 is the synoptic diagram of first embodiment of the light path of optics browsing apparatus of the present utility model and image element;
Fig. 4 is the synoptic diagram of second embodiment of the light path of optics browsing apparatus of the present utility model and image element; And
Fig. 5 is the synoptic diagram of second embodiment of optics browsing apparatus of the present utility model.
Wherein, description of reference numerals is as follows:
10 sensors, 12 first printed circuit board (PCB)s
14 second printed circuit board (PCB)s, 16 reference plane contraposition posts
18 plastics shell fragments, 19 cartridge clips
20 light paths and image element 201 illumination channel
2011 collimation planes, 2012 total internal reflection surface
2013 wedges
202 image passages, 203 grooves
204 holes, 205 stanchions
22 light sources, 24 sensors
26 first substrates, 28 housings
Wall is taken turns in 281 holes 30
32 second substrates, 34 weld pads
Embodiment
Please refer to shown in Figure 2, it is the synoptic diagram of optics browsing apparatus of the present utility model, optics browsing apparatus of the present utility model is integrated in optical system, train of mechanism and Circuits System one miniaturization optics browsing apparatus, compared with prior art, it can effectively dwindle the size of this optics browsing apparatus.The utility model illumination channel 201 and image passage 202 that the optics browsing apparatus is required is one-body molded, available various known mold making technology is finished, light path and image element 20 as Fig. 2, thereby realize simplifying the functional effect of manufacture craft, when light is launched from light source 22, after can formerly passing through this illumination channel 201, arrive the surface at this optics browsing apparatus place, then through this surface reflection, pass through this image passage 202 again, receive by a sensor 24, learn optics browsing apparatus position with this.
This light source 22 is that a light emitting diode, a laser diode, vertical cavity surface lase (VCSEL) or Organic Light Emitting Diode or the like constitute.In a preferred embodiment, this light source 22 and this sensor 24 are positioned on the same surface of one first substrate 26.Wherein this first substrate can be a printed circuit board (PCB), and it can be a substrate organic, inorganic or lead frame (lead frame).
Wherein, this illumination channel 201 comprises a collimation plane 2011, a total internal reflection surface 2012 (totalinternal reflection surface-TIR surface) and a wedge 2013, these three assemblies are also one-body molded, collimation plane 2011 impels the light-ray condensing of launching from light source 22 with parallel, the wavelength of the light that this light source 22 is launched can be from the visible light to the infrared ray, and it determines according to sensor 24.The light of launching from light source 22 at first arrives this collimation plane 2011, light is through these collimation plane 2011 back parallelizations, the light beam of this parallelization is reflected by total internal reflection surface 2012 (TIR surface), this total internal reflection surface 2012 is smooth smooth surfaces, and angle that should the surface is greater than the critical angle of incident beam.The light of this reflection makes this light be bent to a special angle through wedge 2013 then, this wedge 2013 makes light be bent to a special angle and makes the incident angle of this light can arrive the target surface of this optics browsing apparatus with an acceptable scope, and produces the good contrast on this surface.
Then, can and assemble through image passage 202 from the light of the target surface of optics browsing apparatus reflection, this image passage 202 is made of an image eyeglass.In a preferred embodiment, this image eyeglass includes two aspheric surfaces, and this can improve the parsing energy of eyeglass, and makes on sensor 24 and to produce an image with fine resolution.In addition, this image eyeglass also can be constituted or combined by both by sphere.In addition, also one-body molded on housing 28 have a diaphragm (aperture stop), and this diaphragm can stop discrete light to form an interference images on sensor 24.
Because this illumination channel 201 and image passage 202 are one-body molded, because the effect of total internal reflection, the light that has part can be in light path and image element 20, from illumination channel 201 to image passage 202, for head it off, as shown in Figure 3, can between illumination channel 201 and image passage 202, add a groove 203.In addition, also can add a hole 204, as shown in Figure 4, directly enter to this image passage 202 from this illumination channel 201 of this light path and image element 20 in order to avoid light in illumination channel 201 and 202 in image passage.
In another embodiment, when if light source 22 is a laser diode or vertical cavity surface lase, the light meeting auto-paralleling that light source 22 is launched, at this moment, 201 needs total internal reflection surface of illumination channel and a wedge, and do not need collimation plane just can produce the identical functions effect.
In order to make optical system and train of mechanism produce good contraposition (alignment), just can allow light path and image element 20 and housing 28 good appositions, and the problem that can not produce displacement or rotate, on the crater structure of light path and image element 20 and housing 28, form the structure that a convex-concave cooperates respectively, see also Fig. 5, for example, form a stanchion (post) 205 and on the structure of the crater of this housing 28, form a hole 281 in light path and image element 20, make stanchion 205 be installed in this hole 281 of this housing 28, so light path and image element 20 are controlled with relatively rotating of this housing 28.In another embodiment, can around light path and image element 20, set up a cam wall 30, thereby avoid the relative motion of light path and image element 20 and housing 28.
With reference to figure 2, after the assembling of finishing light path and image element 20, housing 28 and first substrate 26, the usable surface bond techniques is electrically connected with 32 generations of second substrate by a plurality of weld pads 34 that are positioned on first substrate 26 again.Wherein this second substrate 32 has a hole, make this light path and image element 20 and the combination of this housing 28 can pass the hole of this second substrate 32, can effectively reduce the height of whole optics browsing apparatus, second substrate 32 cooperates the applied design of optics browsing apparatus, be a printed circuit board (PCB) of scribing, and the hole of second substrate 32 is made by boring or punching press.
In order to make optics browsing apparatus of the present utility model be applied to the occasion of high temperature, light path and image element 20 can be made by high temperature thermosetting material (high temp thermo set material).
Optics browsing apparatus of the present utility model has following characteristics:
1. optics browsing apparatus of the present utility model is integrated in one with illumination channel and image passage, thereby has realized the effect of miniaturization and simplification manufacture craft.
2. optics browsing apparatus of the present utility model is for being integrated in optical system, train of mechanism and Circuits System the miniaturization device of one.
3. optics browsing apparatus of the present utility model can be applicable to various occasions, comprises the hand-held browser, for example can be used for the operation of mobile phone, and the browsing apparatus of PC and notebook computer.
4. by making the printed circuit board (PCB) of scribing have a hole, make this light path and image element 20 and the combination of this housing 28 can pass the hole of this printed circuit board (PCB), can effectively reduce the height of whole optics browsing apparatus.
Yet the above only is a preferable possible embodiments of the present utility model; be not so promptly limit scope of patent protection of the present utility model; therefore any those skilled in the art is in technical field of the present utility model, and variation of being implemented or modification all should be included in the scope of patent protection of the present utility model.
Claims (12)
1. an optics browsing apparatus is characterized in that, this optics browsing apparatus includes:
One light path and image element, it is made of image passage and illumination channel integration institute, and wherein this image passage and this illumination channel are one-body molded;
One housing, it comprises a diaphragm and in order to carrying and locate the contraposition assembly of this light path and image element, wherein, this diaphragm is one-body molded with this housing, and this contraposition assembly part that is this housing; And
One first substrate comprises a light source and a sensor, and wherein, this light source and this sensor are positioned at the same surface of this first substrate, after light this light path of process and image element of this light emitted, is received by this sensor.
2. optics browsing apparatus as claimed in claim 1, it is characterized in that: this light path and image element also include in order to avoid light directly to enter to a groove of this image passage from this illumination channel of this light path and image element, and wherein this groove is between this image passage and this illumination channel.
3. optics browsing apparatus as claimed in claim 1, it is characterized in that: this light path and image element also include in order to contraposition to be provided and to avoid light directly to enter to a hole of this image passage from this illumination channel of this light path and image element, and wherein this hole is between this image passage and this illumination channel.
4. optics browsing apparatus as claimed in claim 1 is characterized in that: this illumination channel comprises a collimation plane, a total internal reflection surface and a wedge.
5. optics browsing apparatus as claimed in claim 1 is characterized in that: this image passage comprises an image minute surface and a diaphragm.
6. optics browsing apparatus as claimed in claim 1 is characterized in that: this first substrate is a printed circuit board (PCB).
7. optics browsing apparatus as claimed in claim 1 is characterized in that: this first substrate is a substrate organic, inorganic or lead frame.
8. optics browsing apparatus as claimed in claim 1, it is characterized in that: this light path and image element also comprise a stanchion, and this housing has a hole, and wherein this stanchion is installed in this hole of this housing to control relatively rotating of this light path and image element and this housing.
9. optics browsing apparatus as claimed in claim 1 is characterized in that: this optics browsing apparatus also includes one second substrate, and wherein this second substrate has a hole, and the hole of this second substrate is passed in the combination of this light path and image element and this housing.
10. optics browsing apparatus as claimed in claim 9 is characterized in that: a surface of this first substrate has makes this first substrate produce a plurality of weld pads that are electrically connected by surface mount technology with this second substrate.
11. optics browsing apparatus as claimed in claim 1 is characterized in that: this light path and image element are made of the high temperature thermosetting material.
12. optics browsing apparatus as claimed in claim 1 is characterized in that: this light source is a light emitting diode, a laser diode or vertical cavity surface lase device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201213294U CN2938216Y (en) | 2006-06-23 | 2006-06-23 | Optical browing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201213294U CN2938216Y (en) | 2006-06-23 | 2006-06-23 | Optical browing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938216Y true CN2938216Y (en) | 2007-08-22 |
Family
ID=38362245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201213294U Expired - Fee Related CN2938216Y (en) | 2006-06-23 | 2006-06-23 | Optical browing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2938216Y (en) |
-
2006
- 2006-06-23 CN CNU2006201213294U patent/CN2938216Y/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: 20070822 |