CN109887940A - A kind of flexibility X-ray sensing device and detector - Google Patents
A kind of flexibility X-ray sensing device and detector Download PDFInfo
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- CN109887940A CN109887940A CN201910124332.3A CN201910124332A CN109887940A CN 109887940 A CN109887940 A CN 109887940A CN 201910124332 A CN201910124332 A CN 201910124332A CN 109887940 A CN109887940 A CN 109887940A
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- flexibility
- imaging sensor
- sensing device
- flexible
- sensor panel
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Abstract
The present invention provides a kind of flexible X-ray sensing device and detector.The sensing device includes TFT imaging sensor panel, flexible scintillator layers and lateral stiffness support plate, and the substrate of TFT imaging sensor panel is flexible base board；Scintillator layers are fixed on TFT imaging sensor panel upper surface；Multiple lateral stiffness support plates are pasted on base lower surface along TFT imaging sensor panel longitudinal arrangement.The detector includes above-mentioned sensing device and driving circuit；Driving circuit includes reading circuit and scanning drive chip, reading circuit and support plate are placed in parallel in the imaging sensor panel longitudinal direction TFT side, scanning drive chip is located at support plate transverse direction one end, including the multiple of lontitudinal series opposite from different support Board positions respectively.Sensing device and detector provided by the invention solve the problems, such as that plane projection can only be imaged in existing flat panel detector, to realize that detector is attached to the x-ray imaging of curved surface.
Description
Technical field
The invention belongs to digitalized electron technical fields, and in particular to a kind of flexible sensing device of x-ray imaging and
Detector.
Background technique
X-ray flat panel detector generally comprises TFT imaging sensor panel, scintillator layers, driving circuit.In current doctor
The X-ray flat panel detector of the various field detectors such as treatment, industry, security protection, which gradually replaces film, becomes the standard of x-ray imaging
Picture receiver part.
Existing X-ray flat panel detector is limited to TFT sensor has the circuit board of hard to drive two adjacent sides
It is dynamic.The circuit board of horizontal direction provides the Digital Signal Processing after the charge signal conversion read on photodiode and is
Pretreatment is carried out in transmission.The circuit board of vertical direction provides the driving of scan line.The circuit board of this two pieces of hard entirely to visit
Surveying device can not arbitrarily bend as film, and plane projection can only be imaged.Detector detect large-scale pipeline when in order to
Pipeline Curvature radius is adapted to, can only bit by bit be moved with tablet to constitute a complete weld image.Image mosaic at
One complete weld image is just more difficult.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of flexible X-ray sensing devices
And detector, for solving the problems, such as that plane projection can only be imaged in X-ray flat panel detector in the prior art.
In order to achieve the above objects and other related objects, present invention firstly provides a kind of flexible X-ray sensing devices, including
Flexible scintillator layers, TFT imaging sensor panel and lateral stiffness support plate, the flexibility scintillator layers are fixed on the TFT
Imaging sensor panel upper surface；The substrate of the TFT imaging sensor panel is flexible base board；Multiple lateral stiffness branch
Fagging is pasted on the lower surface of the substrate along the longitudinal arrangement of the TFT imaging sensor panel.
Preferably, flexible connector, and the elasticity of the further preferably flexible connector are equipped between the support plate
Modulus is 5-10Mpa.
Optionally, the scintillator layers are GOS film scintillator layers or flexibility CSi screen.
The present invention also provides a kind of flexible X-ray detectors, including driving circuit and aforementioned any flexible X-ray sensing
Device；The driving circuit includes reading circuit and scanning drive chip, and the reading circuit is parallel with the support plate, is placed
In the side of TFT imaging sensor panel longitudinal direction, the scanning drive chip is located at one end of the support plate transverse direction, packet
Include the multiple of lontitudinal series opposite from the different support Board positions respectively.
Optionally, the scanning drive chip is fixed on the TFT imaging sensor panel.
Optionally, the scanning drive chip is fixed on one end of the support plate, is located at TFT imaging sensor face
The outside of plate.
Preferably, the scanning drive chip wraps up flexible radiation protection layer.
Preferably, the detector outside is equipped with flexible package.
Flexibility X-ray sensing device and detector solution provided by the invention in the prior art can only carry out plane projection
The problem of imaging.There is the support plate of flexibility X-ray sensing device outer surface therein similar bamboo slip used for writing on during ancient times to arrange, large-scale bent in detection
It is convenient to be wrapped in curve surface work pieces surface operation for flexibility X-ray detector when the workpiece of face, while can guarantee the accurate of test data
Property.
Detailed description of the invention
Fig. 1 is shown as the schematic perspective view in one embodiment of the invention under flexible X-ray detector bending state.
Fig. 2 is shown as the side view of flexible X-ray detector in one embodiment of the invention.
Fig. 3 is shown as the topology view of driving circuit in one embodiment of the invention.
Fig. 4 is shown as the side view of a piece of support plate and driving chip opposed configuration in one embodiment of the invention.
Fig. 5 is shown as the operation schematic diagram of flexible detector in one embodiment of the invention.
Component label instructions
1 flexible X-ray sensing device
11 TFT imaging sensor panels
12 support plates
13 elastic connections
14 scintillator layers
2 driving circuits
21 reading circuits
22 scanning drive chips
23 flexible radiation protection layers
24 drive signal lines
3 curved surfaces to be detected
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Please refer to attached drawing.It should be noted that only the invention is illustrated in a schematic way for diagram provided in the present embodiment
Basic conception, only shown in schema then with related component in the present invention rather than component count, shape when according to actual implementation
Shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its component cloth
Office's kenel may also be increasingly complex.
As shown in Figure 1-3, the present invention provides the embodiment of flexible X-ray detector, flexible X-ray detector includes flexibility
X-ray sensing device 1, driving circuit 2.
Flexible X-ray sensing device 1 includes TFT imaging sensor panel 11 and support plate 12 and flexible scintillator layers 14.
TFT imaging sensor panel 11 is equipped with dot structure, and dot structure includes being arranged in the multiple of upper surface of base plate in two-dimensional array
Pixel unit.Wherein substrate is flexible base board, selects PET film in the present embodiment, and support plate 12 is rigid material, in the present embodiment
Carbon fiber board material is selected, other materials can be selected in other embodiments.Multiple cross-brace plates 12 are arranged in the vertical direction, and are pasted
It is fixed on base lower surface, constitutes bamboo slip used for writing on during ancient times type support construction.Support plate 12 is that TFT imaging sensor panel 11 provides support, is prevented
Only 11 bending angle of TFT imaging sensor panel is excessive.It can also be equipped with flexible connector 13 between support plate 12, selected in the present embodiment
It is excessive for the bending radian of restricted T FT imaging sensor panel 11 with rubber membrane, prevent damage TFT imaging sensor panel
11 and scintillator layers 2, the elasticity modulus of flexible connector preferably used is between 5-10Mpa.Elasticity between two support plates 12
Connector 13 can be one, can also be two, such as be separately connected the upper and lower surface of support plate 12.Flexible scintillator layers 14 are can
The scintillator material layer of bending selects GOS film scintillator layers in the present embodiment, flexibility CSi also may be selected in other embodiments
Screen or other flexible indirect reformer material layers.Scintillator layers 14 are fixed on 11 upper surface of TFT imaging sensor panel, such as are bonded
It is fixed.
Driving circuit 2 includes reading circuit 21 and scanning drive chip 22, and is penetrated to the flexibility of 22 progress radiation protections
Line protective layer 23.Reading circuit 21 is parallel with support plate 12 and is placed in the long axial side of TFT imaging sensor panel 11, scanning
Driving chip 22 is located at 11 short axial side of TFT imaging sensor panel.Gate driving specifically can be used in scanning drive chip 22
Chip, including several being fixed in different support plates 12, scanning drive chip 22 can be fixed on TFT imaging sensor panel
On 11 upper surface, it is also securable to the upper surface of support plate 12, positioned at the outside of TFT imaging sensor panel 11, for example (,) it is logical
It crosses and is adhesively fixed, and be coated with flexible radiation protection layer 23.Connection type between multiple scanning drive chips 22 is logical
Signal wire 24 of overdriving is connected along longitudinal direction.Chip on flexible (flexible chip) or Chip can be used in scanning drive chip 22
The driving chip of on glass (glass substrate chip).
To avoid being influenced by environment, detector outside can be also environmentally isolated with equipped with flexible package, be selected in this example
Method be plastic packaging, other materials and method can be selected in other embodiments.
The course of work of above-mentioned detector is as shown in figure 5, pass through bamboo slip used for writing on during ancient times type support construction for flexible detector upper surface edge
Circumferential to be bonded 3 outer surface of curved surface to be measured and be simultaneously fixed using suitable mode, support plate uses in the case where magnetic material then
It can be by magnetic absorption on curved surface 3.
It should be noted that TFT refers to thin film transistor, thin film transistor (TFT), TFT in above-mentioned each example
Array constitute photodiode array addressing circuit.Scintillator layers are to convert radioscopic image to turning for visible images
Change layer.The effect of Gate chip is driving row scanning, and chip on flex is the mode of chip on the supporting plate, chip
On glass is the mode in TFT imaging sensor panel surface chip, the data reading of flat panel detector be using by
Row gating, the mode of parallel read-out control row gating switch using Gate chip.
Flexibility X-ray detector provided by the invention, which effectively overcomes prior art detector, to carry out plane projection
The problem of imaging and tool high industrial utilization value.There is the support plate of flexible X-ray detector outer surface similar bamboo slip used for writing on during ancient times to arrange
Cloth, when detecting large-scale pipeline, it is easy to operate while guaranteeing the accuracy of test data to be wrapped in canal surface for flexible detector.
The principle of the present invention and its effect is only illustrated in the above embodiment of the present invention, and is not intended to limit the present invention.
Any person skilled in the art all without departing from the spirit and scope of the present invention, modifies above-described embodiment or is changed
Become.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit and technical idea
Lower completed all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of flexibility X-ray sensing device, it is characterised in that:
The flexibility X-ray sensing device includes flexible scintillator layers, TFT imaging sensor panel and lateral stiffness support plate,
The flexibility scintillator layers are fixed on the TFT imaging sensor panel upper surface；The substrate of the TFT imaging sensor panel
For flexible base board；Multiple lateral stiffness support plates are pasted on described along the longitudinal arrangement of the TFT imaging sensor panel
The lower surface of substrate.
2. flexibility X-ray sensing device according to claim 1, it is characterised in that:
Flexible connector is equipped between the support plate.
3. flexibility X-ray sensing device according to claim 2, it is characterised in that:
The elasticity modulus of the flexible connector is 5-10Mpa.
4. flexibility X-ray sensing device according to claim 1, it is characterised in that:
The flexibility scintillator layers are GOS film scintillator layers or flexibility CSi screen.
5. a kind of flexibility X-ray detector, including sensing device and driving circuit, it is characterised in that:
The sensing device is according to any flexible X-ray sensing device of claim 1-4；The driving circuit includes
Reading circuit and scanning drive chip, the reading circuit is parallel with the support plate, is placed in TFT imaging sensor face
The side of plate longitudinal direction, the scanning drive chip are located at one end of the support plate transverse direction, including respectively from the different branch
The opposite lontitudinal series in fagging position it is multiple.
6. flexibility X-ray detector according to claim 5, it is characterised in that:
The scanning drive chip is fixed on the TFT imaging sensor panel.
7. flexibility X-ray detector according to claim 5, it is characterised in that:
The scanning drive chip is fixed on one end of the support plate, positioned at the outside of the TFT imaging sensor panel.
8. according to any flexible X-ray detector of claim 5-7, it is characterised in that:
The scanning drive chip wraps up flexible radiation protection layer.
9. flexibility X-ray detector according to claim 5, it is characterised in that:
The detector outside is equipped with flexible package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124332.3A CN109887940A (en) | 2019-02-19 | 2019-02-19 | A kind of flexibility X-ray sensing device and detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124332.3A CN109887940A (en) | 2019-02-19 | 2019-02-19 | A kind of flexibility X-ray sensing device and detector |
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| CN109887940A true CN109887940A (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910124332.3A Pending CN109887940A (en) | 2019-02-19 | 2019-02-19 | A kind of flexibility X-ray sensing device and detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802863A (en) * | 2021-01-21 | 2021-05-14 | 上海大学 | Image sensor and preparation method thereof |
| CN113014836A (en) * | 2021-03-04 | 2021-06-22 | 德润特医疗科技（武汉）有限公司 | Flat panel detector capable of acquiring images by stages in regions |
| EP3968057A1 (en) * | 2020-09-11 | 2022-03-16 | InnoCare Optoelectronics Corporation | X-ray device |
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| CN102906596A (en) * | 2010-05-24 | 2013-01-30 | 皇家飞利浦电子股份有限公司 | CT detector including multi-layer fluorescent tape scintillator with switchable spectral sensitivity |
| US20140284485A1 (en) * | 2013-03-21 | 2014-09-25 | Canon Kabushiki Kaisha | Radiation detecting device and radiation detecting system |
| CN108010928A (en) * | 2017-11-02 | 2018-05-08 | 上海奕瑞光电子科技股份有限公司 | A kind of direct growth method of flexibility X ray sensor scintillator layers |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102906596A (en) * | 2010-05-24 | 2013-01-30 | 皇家飞利浦电子股份有限公司 | CT detector including multi-layer fluorescent tape scintillator with switchable spectral sensitivity |
| US20140284485A1 (en) * | 2013-03-21 | 2014-09-25 | Canon Kabushiki Kaisha | Radiation detecting device and radiation detecting system |
| CN108010928A (en) * | 2017-11-02 | 2018-05-08 | 上海奕瑞光电子科技股份有限公司 | A kind of direct growth method of flexibility X ray sensor scintillator layers |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3968057A1 (en) * | 2020-09-11 | 2022-03-16 | InnoCare Optoelectronics Corporation | X-ray device |
| US11675094B2 (en) | 2020-09-11 | 2023-06-13 | Innocare Optoelectronics Corporation | X-ray device |
| CN112802863A (en) * | 2021-01-21 | 2021-05-14 | 上海大学 | Image sensor and preparation method thereof |
| CN112802863B (en) * | 2021-01-21 | 2023-02-24 | 上海大学 | Image sensor and preparation method thereof |
| CN113014836A (en) * | 2021-03-04 | 2021-06-22 | 德润特医疗科技（武汉）有限公司 | Flat panel detector capable of acquiring images by stages in regions |
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Application publication date: 20190614 |
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