CN203349171U - Light-emitting device and image sensor - Google Patents
Light-emitting device and image sensor Download PDFInfo
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- CN203349171U CN203349171U CN 201320396169 CN201320396169U CN203349171U CN 203349171 U CN203349171 U CN 203349171U CN 201320396169 CN201320396169 CN 201320396169 CN 201320396169 U CN201320396169 U CN 201320396169U CN 203349171 U CN203349171 U CN 203349171U
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- emitting device
- light guide
- angle
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Abstract
The utility model provides a light-emitting device and an image sensor. The light-emitting device comprises a first light source and a first light guide part. The angle-adjustable first light guide part is disposed at an exit of the first light source, so that light emergent angle of the first light guide part can be changed. Due to the fact that the angle between the first light guide part and the first light source is adjustable, the emergent angle of the light of the first light source can be changed by changing the included angle between the first light guide part and the first light source, and incident angle of the light irradiating on an image can be changed. By the light-emitting device, anti-counterfeiting marks made of optical color-changing ink and holographic images can be identified. In addition, the light-emitting device is simple in structure and low in manufacturing cost.
Description
Technical field
The utility model relates to sensor technical field, more specifically, relates to a kind of light-emitting device and imageing sensor.
Background technology
Along with the development of anti-counterfeiting technology, optical disclour printing ink and hologram image are widely used in false proof field.Optical disclour printing ink can be different along with the incident angle of extraneous light with hologram image, and present different colors or pattern.Therefore, the anti-fake mark of making in order to identify optical disclour printing ink and hologram image, needs change the incidence angle of extraneous light.
Imageing sensor of the prior art (for example: contact-type image sensor), because the shooting angle (and the angle between horizontal direction is 45 degree) of light-emitting device is constant all the time, thereby the anti-fake mark that can't make for identifying optical disclour printing ink and hologram image.
The utility model content
The utility model aims to provide a kind of light-emitting device and imageing sensor, to solve in prior art the constant problem that causes the anti-fake mark that None-identified optical disclour printing ink and hologram image make of shooting angle due to light-emitting device.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of light-emitting device, comprising: the first light source; The first light guide, the first light guide angle adjustable ground is arranged on the light-emitting window of the first light source and sentences the rising angle that changes the first light guide.
Further, the first light guide is the tube-like piece with light-conductive hole, between the axis of light-conductive hole and the axis of tube-like piece, is provided with the first angle, the corresponding setting of light-emitting window of light-conductive hole and the first light source.
Further, the sidewall of light-conductive hole comprises the first light guiding surface and the second light guiding surface, between the first light guiding surface and the second light guiding surface, is provided with the second angle.
Further, the number of the first light guide is a plurality of, and a plurality of the first light guides are arranged in order setting.
Further, the rising angle difference of at least two the first light guides.
Further, the first light guide is optical fiber.
Further, the first light guide is the printing opacity post.
According to another aspect of the present utility model, a kind of imageing sensor is provided, comprise light-passing board, lens, substrate, photographic department, mounting box and the first light-emitting device, light-passing board is arranged on the upper end of mounting box, and substrate is arranged on the lower end of mounting box, and photographic department is arranged on substrate, the first light-emitting device is above-mentioned light-emitting device, the first light-emitting device is arranged on the inside of mounting box, and lens are arranged in the reflected light path of the first light-emitting device, photographic department setting corresponding to lens.
Further, imageing sensor also comprises the second light-emitting device, and the second light-emitting device comprises secondary light source, and the first light source of secondary light source and the first light-emitting device is separately positioned on the both sides of lens.
Further, the second light-emitting device also comprises the second light guide, and the second light guide angle adjustable ground is arranged on the light-emitting window place of secondary light source.
Further, the second light guide and the first light guide are symmetrical arranged or are crisscross arranged along the length direction of lens.
The first light guide angle adjustable ground of the present utility model is arranged on the light-emitting window place of the first light source, to change the rising angle of the first light guide.Because the angle of the first light guide and the first light source can be regulated, thereby by changing the angle between the first light guide and the first light source, can change the shooting angle of the light of the first light source, be radiated at the incidence angle of the light on image thereby change, and then make light-emitting device in the utility model can be used for identifying the anti-fake mark that optical disclour printing ink and hologram image are made.Simultaneously, the light-emitting device in the utility model has characteristics simple in structure, low cost of manufacture.
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of imageing sensor in a preferred embodiment in the utility model;
Fig. 2 has schematically shown the A-A of Fig. 1 to cutaway view;
Fig. 3 has schematically shown the structural representation of imageing sensor in another preferred embodiment in the utility model;
Fig. 4 has schematically shown the B-B of Fig. 3 to cutaway view;
Fig. 5 has schematically shown the structural representation of imageing sensor in another preferred embodiment in the utility model; And
Fig. 6 has schematically shown the C-C of Fig. 5 to cutaway view.
Reference numeral in figure: 10, the first light source; 20, the first light guide; 30, light-passing board; 40, lens; 50, substrate; 60, photographic department; 70, mounting box; 80, the second light-emitting device; 81, secondary light source; 82, the second light guide.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, provide a kind of light-emitting device.As shown in Figures 1 to 6, light-emitting device comprises: the first light source 10; The first light guide 20, the first light guide 20 angle adjustable grounds are arranged on the light-emitting window of the first light source 10 and sentence the rising angle that changes the first light guide 20.Because the angle of the first light guide 20 and the first light source 10 can be regulated, thereby by changing the angle between the first light guide 20 and the first light source 10, can change the shooting angle of the light of the first light source 10, be radiated at the incidence angle of the light on image thereby change, and then make light-emitting device in the utility model can be used for identifying the anti-fake mark that optical disclour printing ink and hologram image are made.Simultaneously, the light-emitting device in the utility model has characteristics simple in structure, low cost of manufacture.
Preferably, the first light guide 20 is optical fiber.Further, fibre-optic number is a plurality of, and many optical fibers are set up in parallel.By change the position relationship between many optical fibers or change many optical fibers and the first light source 10 between angular relationship, can change the shooting angle of the light of the first light source 10, thereby make the shooting angle of the light of light-emitting device there is controllability, and then improved the dependability of light-emitting device.
Preferably, as shown in Figures 1 to 6, the first light guide 20 is the printing opacity post.Further, the printing opacity post is cylindrical.Because the printing opacity post has reflective functions, thereby, by changing angular relationship between printing opacity post and the first light source 10, can change the shooting angle of the light of the first light source 10.
Preferably, the first light guide 20, for having the tube-like piece of light-conductive hole, is provided with the first angle between the axis of light-conductive hole and the axis of tube-like piece, the corresponding setting of light-emitting window of light-conductive hole and the first light source 10.Further, the first angle is less than 90 degree.The light that the first light source 10 sends penetrates by the light-conductive hole of the first light guide 20, by changing the angular relationship between the first light source 10 and the first light guide 20, can change the angular relationship of light-conductive hole and the first light source 10, thereby make by the direction of the light of light-conductive hole outgoing controlled.Similarly, the first angle between the axis by changing light-conductive hole and the axis of tube-like piece, namely change light-conductive hole and be arranged on the position on the first light guide 20, thereby can change the shooting angle of the light of the first light source 10.The staff can determine that light-conductive hole is arranged on the angle in the first light guide 20 according to actual conditions, thereby makes the first light guide 20 can meet the different operating demand.Preferably, the first light guide 20 is that metal material is made.
Preferably, the sidewall of light-conductive hole comprises the first light guiding surface and the second light guiding surface, between the first light guiding surface and the second light guiding surface, is provided with the second angle.Because the sidewall of light-conductive hole forms by intersecting the different light guiding surfaces that arrange, thereby the light of the first light source 10 changes according to the setting position of light guiding surface through light-conductive hole the time, thereby changed the shooting angle of the light of the first light source 10.The staff can arrange the light guiding surface of different angles as required in light-conductive hole, thereby makes the beam projecting angle of light-emitting device have controllability.Preferably, the second angle is greater than 90 degree and is less than 180 degree.
Preferably, as shown in Figure 1, the number of the first light guide 20 is a plurality of, and a plurality of the first light guides 20 are arranged in order setting.Owing to being provided with a plurality of the first light guides 20, thereby can change the shooting angle of the light in certain-length, and not change the shooting angle of the light of other positions, the staff can need to determine the use number of the first light guide 20 according to real work.
Preferably, the rising angle difference of at least two the first light guides 20.When a plurality of the first light guides 20 are installed in the light-emitting window place of the first light source 10, the staff can be according to actual use needs, independent angle position relation of regulating each first light guide 20 and the first light source 10, thereby make light-emitting device can meet different instructions for uses, enlarged the scope of application of light-emitting device.
As second aspect of the present utility model, provide a kind of imageing sensor.As shown in Figures 1 to 6, photosensitive integrated circuit), mounting box 70 and the first light-emitting device imageing sensor for example comprises light-passing board 30, lens 40, substrate 50, photographic department 60(:, light-passing board 30 is arranged on the upper end of mounting box 70, substrate 50 is arranged on the lower end of mounting box 70, photographic department 60 is arranged on substrate 50, the first light-emitting device is above-mentioned light-emitting device, the first light-emitting device is arranged on the inside of mounting box 70, and lens 40 are arranged in the reflected light path of the first light-emitting device, photographic department 60 setting corresponding to lens 40.
While using the imageing sensor in the utility model, at first the image contribution is placed on light-passing board 30 towards imageing sensor, then the light that the first light source 10 sends is after the first light guide 20, light path changes ejaculation, light sees through light-passing board 30 and is radiated on the image contribution, the light of the character area on the image contribution is partially absorbed, and the light of the white portion on the image contribution is reflected (reflection, refraction, the light that the factors such as scattering cause these reverberation to comprise various angles), lens 40 are collected this reflection ray and it are shone to photographic department 60, photographic department 60 is comprised of many photosensitive areas and drive circuit, the light that this drive circuit can will shine each photosensitive area carries out opto-electronic conversion, and by signal output apparatus.After the light received converts the signal of telecommunication to, through overdrive circuit output (outwards exporting as image or Word message), when the image contribution constantly moves, the image of putting down in writing on it or Word message will be read continuously.
In the example of the anti-fake mark of making at the identification optical disclour printing ink, when the incident angle of light is different, spectral information after the optical disclour printing ink reflection is also different, the signal of telecommunication after different spectral information conversions is also different, therefore through the design and color of movement images, just can reach the purpose of identification anti-fake mark.
Again for example, when reading different anti-fake marks, the setting angle of the first light guide 20 also should be different.
Preferably, as shown in Figure 1, a plurality of the first light guides 20 are one group, and light-emitting device comprises many groups the first light guide 20.Owing to being provided with many groups the first light guide 20, thereby imageing sensor can identify the image contribution with many places anti-fake mark simultaneously, thus improved recognition efficiency, alleviated the staff labour intensity, improved the dependability of imageing sensor.Preferably, not the setting angle of the first light guide 20 on the same group and the first light source 10 can be different also can be identical.Simultaneously, anti-counterfeit scanning can be carried out to the image contribution in the position that is provided with the first light guide 20, and normal scan is still carried out to the image contribution in the position that the first light guide 20 is not set.
Preferably, the first light guide 20 bonding or clamping with mounting box 70.Due to the first light guide 20 and mounting box 70 clampings, thereby the staff can change the setting angle of the first light guide 20 as required, improved the dependability of imageing sensor.Certainly, the first light guide 20 and mounting box 70 are bonding has stable connection, characteristics that dependability is high.
Preferably, as shown in Figures 3 to 6, imageing sensor also comprises that the second light-emitting device 80, the second light-emitting devices 80 comprise secondary light source 81, and the first light source 10 of secondary light source 81 and the first light-emitting device is separately positioned on the both sides of lens 40.Owing to being provided with the second light-emitting device 80, thereby increase the swept brilliance of imageing sensor, thereby further improved the dependability of imageing sensor.
Preferably, the second light-emitting device 80 also comprises that the second light guide 82, the second light guide 82 angle adjustable grounds are arranged on the light-emitting window place (please refer to Fig. 3 to Fig. 6) of secondary light source 81.Owing to being provided with the second light guide 82, thereby can be simultaneously the anti-fake mark of image contribution diverse location be carried out to anti-counterfeit scanning, particularly for same image contribution, there are a plurality of anti-fake marks, and this anti-fake mark situation of needing the light of multiple different incidence angles degree to be identified.The staff can be according to using needs, the number of the second light guide 82 is set, and determine the setting angle between the second light guide 82 and secondary light source 81, so that the anti-fake mark of image contribution can be identified by imageing sensor the while, thereby improved operating efficiency.
Preferably, the second light guide 82 and the first light guide 20 are symmetrical arranged or are crisscross arranged along the length direction of lens 40.When the second light guide 82 and the first light guide 20 are symmetrical arranged along the length direction of lens 40, can irradiate respectively from two angles for the anti-fake mark of same place, thereby carry out false proof discriminating.When the second light guide 82 and the first light guide 20 are crisscross arranged along the length direction of lens 40, can irradiate respectively with two different incident angles for the anti-fake mark do not existed together, thereby carry out false proof discriminating.Certainly, the staff can also be according to actual conditions, the arrangement mode of the second light guide 82 and the first light guide 20 is set, thereby makes the imageing sensor in the utility model can be for detection of different image contributions, and then enlarged the scope of application of imageing sensor.
Preferably, mounting box 70 inside are provided with the enclosed slot of the first light source 10 for holding the first light-emitting device, are provided with the light inlet window that relative light-passing board 30 is 45 degree on enclosed slot.Further, the first light guide 20 is arranged on the inside of mounting box 70, and setting corresponding to light inlet window.
Certainly, mounting box 70 inside can also be provided with the groove of the first light source 10 for holding the first light-emitting device, and the angle between lamp guide and light-passing board 30 is 45 degree.The first light source 10 emits beam and is radiated on light-passing board 30 through lamp guide.The first light guide 20 is arranged on the inside of mounting box 70, and setting corresponding to lamp guide.
Imageing sensor in the utility model can read the anti-fake mark that color shifting ink or hologram image are made, and other need anti-fake mark or the image information of different reading angulars.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a light-emitting device, is characterized in that, comprising:
The first light source (10);
The first light guide (20), described the first light guide (20) angle adjustable ground is arranged on the light-emitting window of described the first light source (10) and sentences the rising angle that changes described the first light guide (20).
2. light-emitting device according to claim 1, it is characterized in that, described the first light guide (20) is for having the tube-like piece of light-conductive hole, be provided with the first angle between the axis of described light-conductive hole and the axis of described tube-like piece, the corresponding setting of light-emitting window of described light-conductive hole and described the first light source (10).
3. light-emitting device according to claim 2, is characterized in that, the sidewall of described light-conductive hole comprises the first light guiding surface and the second light guiding surface, between described the first light guiding surface and described the second light guiding surface, is provided with the second angle.
4. light-emitting device according to claim 1, is characterized in that, the number of described the first light guide (20) is a plurality of, and a plurality of described the first light guides (20) are arranged in order setting.
5. light-emitting device according to claim 4, is characterized in that, the rising angle difference of at least two described the first light guides (20).
6. light-emitting device according to claim 1, is characterized in that, described the first light guide (20) is optical fiber.
7. light-emitting device according to claim 1, is characterized in that, described the first light guide (20) is the printing opacity post.
8. an imageing sensor, comprise light-passing board (30), lens (40), substrate (50), photographic department (60), mounting box (70) and the first light-emitting device, described light-passing board (30) is arranged on the upper end of described mounting box (70), described substrate (50) is arranged on the lower end of described mounting box (70), described photographic department (60) is arranged on described substrate (50), it is characterized in that, described the first light-emitting device is the described light-emitting device of any one in claim 1 to 7, described the first light-emitting device is arranged on the inside of described mounting box (70), and described lens (40) are arranged in the reflected light path of described the first light-emitting device, described photographic department (60) and the corresponding setting of described lens (40).
9. imageing sensor according to claim 8, it is characterized in that, described imageing sensor also comprises the second light-emitting device (80), described the second light-emitting device (80) comprises secondary light source (81), and first light source (10) of described secondary light source (81) and described the first light-emitting device is separately positioned on the both sides of described lens (40).
10. imageing sensor according to claim 9, is characterized in that, described the second light-emitting device (80) also comprises the second light guide (82), and described the second light guide (82) angle adjustable ground is arranged on the light-emitting window place of described secondary light source (81).
11. imageing sensor according to claim 10, is characterized in that, described the second light guide (82) is symmetrical arranged or is crisscross arranged with the length direction of described the first light guide (20) along described lens (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320396169 CN203349171U (en) | 2013-07-04 | 2013-07-04 | Light-emitting device and image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320396169 CN203349171U (en) | 2013-07-04 | 2013-07-04 | Light-emitting device and image sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349171U true CN203349171U (en) | 2013-12-18 |
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ID=49749068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320396169 Withdrawn - After Issue CN203349171U (en) | 2013-07-04 | 2013-07-04 | Light-emitting device and image sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335279A (en) * | 2013-07-04 | 2013-10-02 | 威海华菱光电股份有限公司 | Light-emitting device and image sensor |
| CN104065850A (en) * | 2014-07-01 | 2014-09-24 | 威海华菱光电股份有限公司 | Oblique light plate and contact-type image sensor possessing same |
-
2013
- 2013-07-04 CN CN 201320396169 patent/CN203349171U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335279A (en) * | 2013-07-04 | 2013-10-02 | 威海华菱光电股份有限公司 | Light-emitting device and image sensor |
| CN103335279B (en) * | 2013-07-04 | 2015-12-02 | 威海华菱光电股份有限公司 | Light-emitting device and imageing sensor |
| CN104065850A (en) * | 2014-07-01 | 2014-09-24 | 威海华菱光电股份有限公司 | Oblique light plate and contact-type image sensor possessing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |