CN207399330U - Contact-type image sensor - Google Patents
Contact-type image sensor Download PDFInfo
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- CN207399330U CN207399330U CN201721385716.3U CN201721385716U CN207399330U CN 207399330 U CN207399330 U CN 207399330U CN 201721385716 U CN201721385716 U CN 201721385716U CN 207399330 U CN207399330 U CN 207399330U
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Abstract
This application provides a kind of contact-type image sensors.The contact-type image sensor includes：Wiring board；Photoelectric conversion chip is set on the surface of assist side, and and circuit board electrical connection；UV filter coatings are arranged on the surface of separate wiring board of photoelectric conversion chip.In the contact-type image sensor, UV light filter coatings are arranged on the surface of photoelectric conversion chip, it is higher to avoid installation UV filter coating difficulty in the prior art, UV filter coatings of the prior art are also avoided installation process is vulnerable to corrosion the problem of, it ensure that UV filter coatings have well stable performance, so as to ensure that contact-type image sensor has good performance.
Description
Technical field
This application involves sensor field, in particular to a kind of contact-type image sensor.
Background technology
In the prior art, the contact-type image sensor structure with UV filter coatings is as shown in Figure 1, it includes framework 1',
It is equipped with optical lens 2' in framework 1', the one side of optical lens 2' is equipped with light source 3', and light source 3' includes visible ray RGB and ultraviolet
The top of light UV, optical lens 2' are equipped with transparent panel 4', and the lower section of optical lens 2' is equipped with wiring board 5', is located on wiring board 5'
Lens 2''s is arranged right below a row photoelectric conversion chip 6', in optical lens 2' and framework 1' for accommodating opto-electronic conversion
UV filter coatings 7' is equipped between the accommodating chamber of chip 6'.Photoelectric conversion chip unit top surface is photosensitive equipped with photosensitive window 60'
Window 60' is as shown in Figure 2.Photoelectric conversion chip is internally provided with circuit, and the function of photoelectric conversion chip is to convert optical signals into
Electric signal.
When contact-type image sensor works, as the visible ray RGB that light source 3' is sent, original is irradiated to through transparent panel 4'
On original text, image and/or word on original copy etc. generate RGB reflected lights, these RGB reflected lights are then passed through transparent panel 4', into light
Lens 2' is learned, the RGB reflected lights come out from the optical lens 2' other ends are irradiated to photoelectric conversion chip 6' by UV filter coatings 7'
Photosensitive window on, UV filter coatings 7' because its transmittance spectrum characteristic to RGB reflected lights without filtering, photoelectric conversion chip 6'
The visible light signal received is converted into electric signal.
It when the UV light time that light source 3' is sent, is irradiated to through transparent panel 4' on original copy, image and/or word on original copy etc.
It generates UV reflected lights and RGB excitation lights, these UV reflected lights and RGB excitation lights and is then passed through transparent panel 4', into optical lens 2',
The UV reflected lights and RGB excitation lights come out from the optical lens 2' other ends is irradiated to photoelectric conversion chip 6' by UV filter coatings 7'
Photosensitive window on, UV filter coatings 7' because its transmittance spectrum characteristic filters out UV reflected lights, and to RGB excitation lights without
The RGB excitation lights received are converted into electric signal by filtering, photoelectric conversion chip 6'.Original copy constantly moves, recorded thereon
Image, text information will be read continuously and take off, and complete the image information scanning process of original copy.
Original contact-type image sensor with UV filter coatings, because contact-type image sensor is small, optics
Space between lens and photoelectric conversion chip is small, and the installation of UV filter coatings is fixed inconvenient, and mounting process difficulty is high, and filter coating is pacified
Dress process is vulnerable to corrosion and use throughout the year the phenomenon that being present with deterioration, can increase the manufacture cost of contact-type image sensor with
The stability in use and quality of contact-type image sensor are influenced, and then influences the quality of scanning of imaging sensor, is reduced various
The accuracy for differentiating and judging.
Therefore, there is an urgent need for developing a kind of new-type contact-type image sensor with UV filter coatings, and UV filter coatings are convenient for
Installation, reduces cost, and UV optical filterings film properties are stablized.
Utility model content
The main purpose of the application is to provide a kind of contact-type image sensor, of the prior art with UV to solve
The problem of contact-type image sensor installation of filter coating is inconvenient.
To achieve these goals, the application provides a kind of contact-type image sensor, contact type image sensing
Device includes：Wiring board；Photoelectric conversion chip is arranged on the surface of above-mentioned wiring board, and with above-mentioned circuit board electrical connection；UV is filtered
Light film is arranged on the surface away from above-mentioned wiring board of above-mentioned photoelectric conversion chip.
Further, above-mentioned contact-type image sensor further includes：Framework, including the first accommodating chamber, above-mentioned wiring board, on
It states photoelectric conversion chip and above-mentioned UV filter coatings is arranged in above-mentioned first accommodating chamber.
Further, one side of the above-mentioned photoelectric conversion chip away from above-mentioned wiring board includes multiple photosensitive windows, above-mentioned UV
The above-mentioned photosensitive window of filter coating at least covering part.
Further, the above-mentioned whole above-mentioned photosensitive windows of UV filter coatings covering.
Further, multiple above-mentioned photosensitive windows form at least one photosensitive window row, the row side of above-mentioned photosensitive window row
To vertical with the moving direction of determinand.
Further, above-mentioned contact-type image sensor further includes：Multiple transmittance sections, multiple above-mentioned transmittance sections are arranged on
It states between photosensitive window and above-mentioned UV filter coatings, multiple above-mentioned transmittance sections include feux rouges transmittance section, green light transmittance section and blue light
Transmittance section, above-mentioned transmittance section correspond with above-mentioned photosensitive window and set.
Further, above-mentioned photoelectric conversion chip includes an above-mentioned photosensitive window row, and multiple above-mentioned transmittance sections are along upper
Line direction arrangement is stated, forms multiple light transmitting cells, each above-mentioned light transmitting cells include above-mentioned feux rouges transmittance section, above-mentioned green light transmittance section
And above-mentioned blue light transmittance section.
Further, above-mentioned photoelectric conversion chip includes at least three above-mentioned photosensitive window rows, and at least three is above-mentioned photosensitive
Window row is arranged along above-mentioned determinand moving direction, and multiple above-mentioned transmittance sections form at least three light transmission rows, multiple above-mentioned light transmissions
Row includes feux rouges light transmission row, green light light transmission row and blue light light transmission row, wherein, above-mentioned feux rouges light transmission row is included along above-mentioned line direction
Multiple above-mentioned feux rouges transmittance sections of arrangement, above-mentioned green light light transmission row include the multiple above-mentioned green light light transmissions arranged along above-mentioned line direction
Portion, above-mentioned blue light light transmission row include the multiple above-mentioned blue light transmittance sections arranged along above-mentioned line direction.
Further, multiple above-mentioned light transmission rows include multiple light transmission row units, and multiple light transmission row units are along above-mentioned determinand
Moving direction arrangement, each above-mentioned light transmission row unit include an above-mentioned feux rouges light transmission row, an above-mentioned green light light transmission row and
One above-mentioned blue light light transmission row.
Further, above-mentioned framework further includes the second accommodating chamber and the 3rd accommodating chamber, above-mentioned first accommodating chamber, above-mentioned
Two accommodating chambers and the mutually isolated setting of above-mentioned 3rd accommodating chamber, above-mentioned second accommodating chamber and above-mentioned 3rd accommodating chamber are respectively positioned on
The separate above-mentioned photoelectric conversion chip one side of above-mentioned UV filter coatings, above-mentioned contact-type image sensor further include：Optical lens, if
It puts in above-mentioned second accommodating chamber and is set with above-mentioned photoelectric conversion chip face；Light source is arranged in above-mentioned 3rd accommodating chamber；Thoroughly
Isotropic disk is arranged on the outer surface away from above-mentioned wiring board one side of above-mentioned framework.
Using the technical solution of the application, in contact-type image sensor, UV light filter coatings are arranged on opto-electronic conversion
It on the surface of chip, avoids that install UV filter coating difficulty in the prior art higher, also avoids UV of the prior art and filter
Film ensure that UV filter coatings have well stable performance installation process is vulnerable to corrosion the problem of, so as to ensure that contact
Formula imaging sensor has good performance.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 shows a kind of structure diagram of contact-type image sensor of the prior art；
Fig. 2 shows the structure diagram in the photoelectric conversion chip in Fig. 1；
Fig. 3 shows the structure diagram of the contact-type image sensor provided according to a kind of embodiment of the application；
Fig. 4 shows the partial structural diagram of the contact-type image sensor of embodiments herein 1；
Fig. 5 shows the spectrogram after the UV filter coatings optical filtering in embodiments herein 1；
Fig. 6 shows the partial structural diagram of the contact-type image sensor of embodiments herein 2；
Fig. 7 shows the spectrogram after the UV filter coatings optical filtering in embodiments herein 2；And
Fig. 8 shows the partial structural diagram of the contact-type image sensor of embodiments herein 3.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1', framework；2', optical lens；3', light source；4', transparent panel；5', wiring board；6', photoelectric conversion chip；7'、UV
Filter coating；60', photosensitive window；1st, framework；2nd, optical lens；3rd, light source；4th, transparent panel；5th, wiring board；6th, opto-electronic conversion core
Piece；7th, transmittance section；8th, UV filter coatings；60th, photosensitive window；71st, feux rouges transmittance section；72nd, green light transmittance section；73rd, blue light transmittance section.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be understood that when element (such as layer, film, region or substrate) be described as another element " on " when, this yuan
Intermediary element can may be present directly on another element or also in part.Moreover, in specification and following claims
In, when description has element " connected " to another element, which " can be directly connected to " to another element or by the 3rd
Element " electrical connection " is to another element.
As background technology is introduced, the installation difficulty of UV filter coatings of the prior art is high, and in installation process
It is vulnerable to corrosion and use throughout the year the phenomenon that being present with deterioration, the technical issues of in order to solve as above, present applicant proposes one kind
Contact-type image sensor.
In a kind of typical embodiment of the application, a kind of contact-type image sensor is provided, as shown in figure 3, should
Contact-type image sensor includes wiring board 5, photoelectric conversion chip 6 and UV filter coatings 8.Wherein, photoelectric conversion chip 6 is set
It is electrically connected on the surface of above-mentioned wiring board 5, and with above-mentioned wiring board 5, for converting optical signal into electric signal；UV filter coatings
8 are arranged on the surface away from above-mentioned wiring board 5 of above-mentioned photoelectric conversion chip 6, for will photoelectric conversion chip be entered
UV light in light filters out, and UV shadows is avoided to ring photoelectric conversion chip, rgb light is accurately identified, be further ensured that detection information
Accuracy.
It should be noted that the light transmission features of above-mentioned UV filter coatings will meet the visible rays such as RGB and infrared light light transmission
It needs, i.e., these light is not filtered out, the transmitance of these light is higher, to reach more than 80%.
Above-mentioned UV filter coatings can select any available filter coating of the prior art, such as ceria, titanium dioxide
Titanium or zinc sulphide, those skilled in the art can select according to actual conditions, also, its specific production method can be according to reality
The selections such as the material that border is selected, can select chemical vapour deposition technique, sputtering method and physical vaporous deposition etc..
In above-mentioned contact-type image sensor, UV light filter coatings are arranged on the surface of photoelectric conversion chip, i.e.,
Setting is contacted with photoelectric conversion chip, when the imaging sensor makes, it is only necessary to photoelectric conversion chip and UV will be provided with
The wiring board of filter coating is arranged in fixed position or fixed structure, without additionally pacifying to UV filter coatings
Dress, it is higher so as to avoid UV filter coating difficulty is installed in the prior art, it also avoids UV filter coatings of the prior art and is pacifying
The problem of dress process is vulnerable to corrosion ensure that UV filter coatings have well stable performance, so as to ensure that contact type image
Sensor has good performance.
In a kind of embodiment of the application, as shown in figure 3, above-mentioned contact-type image sensor further includes framework 1, framework 1
Including the first accommodating chamber, above-mentioned wiring board 5, above-mentioned photoelectric conversion chip 6 and above-mentioned UV filter coatings 8, which are arranged on above-mentioned first, to be held
It receives in chamber, i.e., during the contact-type image sensor makes, as long as UV filter coatings are arranged on photoelectric conversion chip
On surface, subsequently the wiring board for being provided with photoelectric conversion chip and UV filter coatings is set directly in the first accommodating chamber
, without carrying out additional installation procedure to UV filter coatings, further avoid installation UV filter coating difficulty in the prior art
It is higher, UV filter coatings of the prior art are also avoided installation process is vulnerable to corrosion the problem of, ensure that UV filter coatings have
There is well stable performance, so as to ensure that contact-type image sensor has good performance.Also, the framework can dock
Other component in touch imaging sensor, such as wiring board, photoelectric conversion chip and UV filter coatings are protected, moreover it is possible to its
To supporting role so that these components are not easy to be damaged, and above-mentioned framework will be separated in contact-type image sensor
Structure forms an entirety, facilitates the use of the contact-type image sensor.
In another embodiment of the application, one side of the above-mentioned photoelectric conversion chip 6 away from above-mentioned wiring board 5 includes multiple
Photosensitive window 60, the above-mentioned photosensitive window 60 of above-mentioned UV filter coatings 8 at least covering part, and then will be in the light of photosensitive window be entered
At least part UV light filter out.
In order to further filter out the UV light in the light of photosensitive window to be entered, UV light is further avoided to make the biologies such as people
Into influence, in a kind of embodiment of the application, above-mentioned UV filter coatings 8 cover all above-mentioned photosensitive windows 60, i.e. UV filter coatings
Cover all photosensitive windows.
In order to detect the image information on determinand exactly, in a kind of embodiment of the application, such as Fig. 4, Fig. 6 or Fig. 8
Shown, multiple above-mentioned photosensitive windows 60 form at least one photosensitive window row, the line direction and determinand of above-mentioned photosensitive window row
Moving direction it is vertical.
In the another embodiment of the application, as shown in Fig. 4, Fig. 6 or Fig. 8, above-mentioned contact-type image sensor further includes
Multiple transmittance sections 7, multiple above-mentioned transmittance sections 7 are arranged between above-mentioned photosensitive window 60 and above-mentioned UV filter coatings 8, multiple above-mentioned
Light portion 7 includes feux rouges transmittance section 71, green light transmittance section 72 and blue light transmittance section 73, above-mentioned transmittance section 7 and above-mentioned photosensitive window
60 correspond setting, and one-to-one corresponding setting here not only has quantitative one-to-one corresponding, further include a pair on position
Should, projection of the photosensitive window on transmittance section is embodied as positioned at the inside of transmittance section or is overlapped with transmittance section.Above-mentioned indigo plant
Light transmittance section may only penetrate blue light, feux rouges transmittance section may only penetrate feux rouges, green light transmittance section may only light transmission green light, into
And outside UV filter coatings filter out the UV light in light, each transmittance section is again handled the light being emitted from UV filter coatings, is obtained
To feux rouges, blue light and green light, photoelectric conversion chip further includes circuit part, and circuit part is to respectively enteing different photosensitive windows
Feux rouges, blue light and green light be converted into electric signal, synthesized by photoelectric conversion chip either external signal processing circuit,
So as to obtain coloured image.
Multiple transmittance sections of the application can be formed at multiple films on same film or different, ability
Multiple transmittance sections can be formed on same film or different films by field technique personnel according to actual conditions.
In another embodiment of the application, as shown in fig. 6, above-mentioned photoelectric conversion chip 6 includes an above-mentioned photosensitive window
Mouth row, multiple above-mentioned transmittance sections 7 are arranged along above-mentioned line direction, form multiple light transmitting cells, and each above-mentioned light transmitting cells include upper
Feux rouges transmittance section 71, above-mentioned green light transmittance section 72 and above-mentioned blue light transmittance section 73, such structure are stated, although only there are one senses
Light window row, but due to the presence of light transmitting cells so that the light of photosensitive window to be entered is different colors, and then by light
The conversion of the circuit part of electric conversion chip obtains coloured image, and then being capable of the vivider figure detected exactly on determinand
Picture.
Feux rouges transmittance section, blue light transmittance section and putting in order for green light transmittance section in above-mentioned light transmitting cells are not limited to
Shown in Fig. 6, those skilled in the art can be arranged to different according to actual conditions and put in order, also, each light transmitting cells
In feux rouges transmittance section, blue light transmittance section and green light transmittance section setting order can be different, specifically can be according to actual feelings
Condition is set.
In another embodiment of the application, as shown in figure 8, above-mentioned photoelectric conversion chip 6 includes at least three above-mentioned senses
Light window row, at least three above-mentioned photosensitive window rows are arranged along above-mentioned determinand moving direction, multiple above-mentioned transmittance sections 7 formed to
Few three light transmission rows, since transmittance section and photosensitive window correspond and set, so the quantity of light transmission row here and photosensitive window
The quantity of mouth row is identical, and multiple above-mentioned light transmission rows include feux rouges light transmission row, green light light transmission row and blue light light transmission row,
In, above-mentioned feux rouges light transmission row includes the multiple above-mentioned feux rouges transmittance sections 71 arranged along above-mentioned line direction, above-mentioned green light light transmission row bag
The multiple above-mentioned green light transmittance sections 72 arranged along above-mentioned line direction are included, above-mentioned blue light light transmission row includes what is arranged along above-mentioned line direction
Multiple above-mentioned blue light transmittance sections 73.Feux rouges light transmission row, blue light light transmission row and putting in order for green light light transmission row are not limited to Fig. 8
It is shown, it can also be other arrangement modes.
In order to preferably form colored image, in a kind of embodiment of the application, as shown in figure 8, multiple above-mentioned light transmissions
Row includes multiple light transmission row units, and multiple light transmission row units are arranged along the moving direction of above-mentioned determinand, each above-mentioned light transmission row list
Member includes an above-mentioned feux rouges light transmission row, a green light light transmission row and a blue light light transmission row.Feux rouges in light transmission row unit
Light transmission row, green light light transmission row and putting in order for blue light light transmission row are not limited to shown in Fig. 8, can also be that other arrangements are suitable
Sequence.Also, the feux rouges light transmission row, blue light light transmission row and putting in order for green light light transmission row in different light transmission row units also may be used
To be different, those skilled in the art can set suitable order according to actual conditions.
In another embodiment of the application, as shown in figure 3, above-mentioned framework 1 further includes the second accommodating chamber and the 3rd appearance
Receive chamber, above-mentioned first accommodating chamber, above-mentioned second accommodating chamber and the mutually isolated setting of above-mentioned 3rd accommodating chamber, above-mentioned second accommodates
Chamber and above-mentioned 3rd accommodating chamber are respectively positioned on separate above-mentioned 6 one side of photoelectric conversion chip of above-mentioned UV filter coatings 8, above-mentioned contact
Imaging sensor further includes optical lens 2, transparent panel 4 and light source 3.Wherein, optical lens 2 is set in above-mentioned second accommodating chamber
And it is set with above-mentioned 6 face of photoelectric conversion chip；Light source 3 is arranged in above-mentioned 3rd accommodating chamber, can send UV light and rgb light；
Transparent panel 4 is arranged on the outer surface away from above-mentioned 5 one side of wiring board of above-mentioned framework 1.
Above-mentioned is in embodiment, when contact-type image sensor works, as the visible ray RGB that light source 3 is sent, is penetrated
Transparent panel 4 is irradiated on determinand, and image, word on determinand etc. generate reflected light RGB, these reflected lights RGB is then passed through
Transparent panel 4, into optical lens 2, the reflected light RGB come out from 2 other end of optical lens is irradiated to after UV filter coatings 8
On the photosensitive window of photoelectric conversion chip 6, UV filter coatings 8 are because of its transmittance spectrum characteristic to reflected light RGB without filtering, light
The visible light signal RGB that electric conversion chip 6 receives is converted into electric signal；When the UV light time that light source 3 is sent, through transparent panel
4 are irradiated on determinand, and image, word on determinand etc. generate UV reflected lights and RGB excitation lights, these UV reflected lights and
RGB excitation lights are then passed through transparent panel 4, into optical lens 2, the UV reflected lights come out from 2 other end of optical lens and RGB excitations
Light is irradiated to after UV filter coatings 8 on the photosensitive window of photoelectric conversion chip 6, and UV filter coatings are because of its transmittance spectrum characteristic
UV reflected lights are filtered out, and to RGB excitation lights without filtering, the RGB excitation lights conversion that photoelectric conversion chip 6 receives
Into electric signal.Determinand constantly moves, and recorded rgb light and the corresponding image of UV light, text information will be connected thereon
It resumes studies and takes off, complete the image information scanning process of determinand.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The embodiment of body illustrates come the technical solution to the application.
Embodiment 1
As shown in figure 3, the contact-type image sensor includes the framework 1 to play a supportive role, optical lens is equipped in framework 1
2, the one side of optical lens 2 is equipped with light source 3, and light source 3 can send visible ray RGB and ultraviolet light UV, the top of optical lens 2
Equipped with transparent panel 4, the lower section of optical lens 2 is equipped with wiring board 5, and optical lens 2 is located on wiring board 5 is arranged right below a row
Photoelectric conversion chip 6.6 top surface of photoelectric conversion chip is equipped with multiple photosensitive windows 60, and photosensitive window forms the photosensitive window of Fig. 4
Mouth row, the line direction of photosensitive window row is identical with the column direction of a row photoelectric conversion chip, and photoelectric conversion chip 6 is internally provided with electricity
Road, the function of photoelectric conversion chip 6 are to convert optical signals into electric signal, and one is coated on the photosensitive window of photoelectric conversion chip 6
Layer UV filter coatings 8.
When contact-type image sensor works, as the visible ray RGB that light source 3 is sent, original copy is irradiated to through transparent panel 4
On, image, word on original copy etc. generate reflected light RGB, these reflected lights RGB is then passed through transparent panel 4, into optical lens 2,
The reflected light RGB come out from 2 other end of optical lens is irradiated to the photosensitive window of photoelectric conversion chip 6 after UV filter coatings 8
On, UV filter coatings 8 because of its transmittance spectrum characteristic to reflected light RGB without filtering, what photoelectric conversion chip 6 received can
See that optical signal RGB is converted into electric signal.
It when the UV light time that light source 3 is sent, is irradiated to through transparent panel 4 on original copy, image, word on original copy etc. generate UV
Reflected light and RGB excitation lights, these UV reflected lights and RGB excitation lights are then passed through transparent panel 4, into optical lens 2, from optical lens
The UV reflected lights and RGB excitation lights that 2 other end of mirror comes out are irradiated to the photosensitive window of photoelectric conversion chip 6 after UV filter coatings 8
On mouth, UV filter coatings because its transmittance spectrum characteristic filters out UV reflected lights, and to RGB excitation lights without filtering, photoelectricity
The RGB excitation lights that conversion chip 6 receives are converted into electric signal.
Original copy constantly moves, and the image of recorded RGBUV light, text information will be read continuously and take off thereon, complete
Into the image information scanning process of original copy.Also, in the present embodiment, because being only coated with UV on the photosensitive window of photoelectric conversion chip 6
Filter coating, photosensitive window cannot distinguish between tri- kinds of colors of RGB, but be converted into electric signal using RGB excitation lights as a kind of optical signal,
Therefore, Transmission curves as shown in Figure 5 understand that the sensor can be only generated the black white image of UV excitation lights.
Embodiment 2
The difference is that, a transmittance section is correspondingly arranged on each photosensitive window in photosensitive window row with embodiment 1,
Transmittance section is arranged according to the arrangement mode of Fig. 6, and UV filter coatings are arranged on the side surface away from photosensitive outlet of each transmittance section.
The emergent light of optical lens is first passed through after UV filter coatings filter out UV light, is entered back into transmittance section, is obtained red, green and three kinds blue
The light of color, enters back into photosensitive window, these three optical signals are switched to electric signal respectively by the circuit of photoelectric conversion chip, and
It is synthesized, generates the coloured image of UV excitation lights shown in Fig. 7.
Embodiment 3
As shown in figure 8, photoelectric conversion chip 6 includes three photosensitive window rows, one is set respectively on three photosensitive window rows
The light transmission row of the light of kind color includes three light transmission rows of blue light light transmission row, green light light transmission row and feux rouges light transmission row, three
UV filter coatings are set on the surface of the separate photosensitive window of a light transmission row.The emergent light of optical lens first passes through UV filter coatings by UV
It after light filters out, enters back into transmittance section, obtains red, green and blue three-color light, enter back into photosensitive window, turned by photoelectricity
These three optical signals are switched to electric signal by the circuit for changing chip respectively, and are synthesized, and are generated Transmission curves shown in Fig. 7 and are corresponded to
UV excitation lights coloured image.
It can be seen from the above description that the application the above embodiments realize following technique effect：
In the contact-type image sensor of the application, UV light filter coatings are arranged on the surface of photoelectric conversion chip, i.e.,
Setting is contacted with photoelectric conversion chip, when the imaging sensor makes, it is only necessary to photoelectric conversion chip and UV will be provided with
The wiring board of filter coating is arranged in fixed position or fixed structure, without additionally pacifying to UV filter coatings
Dress, it is higher so as to avoid UV filter coating difficulty is installed in the prior art, it also avoids UV filter coatings of the prior art and is pacifying
The problem of dress process is vulnerable to corrosion ensure that UV filter coatings have well stable performance, so as to ensure that contact type image
Sensor has good performance.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of contact-type image sensor, which is characterized in that the contact-type image sensor includes：
Wiring board (5)；
Photoelectric conversion chip (6), is arranged on the surface of the wiring board (5), and is electrically connected with the wiring board (5)；And
UV filter coatings (8) are arranged on the surface away from the wiring board (5) of the photoelectric conversion chip (6).
2. contact-type image sensor according to claim 1, which is characterized in that the contact-type image sensor also wraps
It includes：
Framework (1), including the first accommodating chamber, the wiring board (5), the photoelectric conversion chip (6) and the UV filter coatings
(8) it is arranged in first accommodating chamber.
3. contact-type image sensor according to claim 1, which is characterized in that the photoelectric conversion chip (6) is separate
The one side of the wiring board (5) includes multiple photosensitive windows (60), the UV filter coatings (8) photosensitive window at least described in covering part
Mouth (60).
4. contact-type image sensor according to claim 3, which is characterized in that UV filter coatings (8) covering is all
The photosensitive window (60).
5. contact-type image sensor according to claim 3, which is characterized in that multiple photosensitive windows (60) are formed
At least one photosensitive window row, the line direction of the photosensitive window row are vertical with the moving direction of determinand.
6. contact-type image sensor according to claim 5, which is characterized in that the contact-type image sensor also wraps
It includes：
Multiple transmittance sections (7), multiple transmittance sections (7) be arranged on the photosensitive window (60) and the UV filter coatings (8) it
Between, multiple transmittance sections (7) include feux rouges transmittance section (71), green light transmittance section (72) and blue light transmittance section (73), described
Transmittance section (7) corresponds with the photosensitive window (60) and sets.
7. contact-type image sensor according to claim 6, which is characterized in that the photoelectric conversion chip (6) includes
One photosensitive window row, multiple transmittance sections (7) arrange along the line direction, form multiple light transmitting cells, each institute
Stating light transmitting cells includes the feux rouges transmittance section (71), the green light transmittance section (72) and the blue light transmittance section (73).
8. contact-type image sensor according to claim 6, which is characterized in that the photoelectric conversion chip (6) includes
At least three photosensitive window rows, at least three photosensitive window rows are arranged along the determinand moving direction, Duo Gesuo
It states transmittance section (7) and forms at least three light transmission rows, multiple light transmission rows include feux rouges light transmission row, green light light transmission row and blue light
Light transmission row, wherein, the feux rouges light transmission row includes the multiple feux rouges transmittance sections (71) arranged along the line direction, described green
Light light transmission row includes the multiple green light transmittance sections (72) arranged along the line direction, and the blue light light transmission row is included along described
Multiple blue light transmittance sections (73) of line direction arrangement.
9. contact-type image sensor according to claim 8, which is characterized in that multiple light transmission rows include multiple
Light row unit, multiple light transmission row units are arranged along the moving direction of the determinand, and each light transmission row unit includes an institute
State feux rouges light transmission row, a green light light transmission row and a blue light light transmission row.
10. contact-type image sensor according to claim 2, which is characterized in that the framework (1) further includes the second appearance
Receive chamber and the 3rd accommodating chamber, first accommodating chamber, second accommodating chamber and the 3rd accommodating chamber is mutually isolated sets
Put, second accommodating chamber and the 3rd accommodating chamber be respectively positioned on the UV filter coatings (8) away from the opto-electronic conversion core
Piece (6) one side, the contact-type image sensor further include：
Optical lens (2) sets in second accommodating chamber and is set with the photoelectric conversion chip (6) face；
Light source (3) is arranged in the 3rd accommodating chamber；And
Transparent panel (4) is arranged on the outer surface away from the wiring board (5) one side of the framework (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721385716.3U CN207399330U (en) | 2017-10-25 | 2017-10-25 | Contact-type image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108040187A (en) * | 2017-10-25 | 2018-05-15 | 威海华菱光电股份有限公司 | Contact-type image sensor |
| WO2019080631A1 (en) * | 2017-10-25 | 2019-05-02 | 威海华菱光电股份有限公司 | Contact image sensor |
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