CN107589566A - A kind of photosensory assembly - Google Patents
A kind of photosensory assembly Download PDFInfo
- Publication number
- CN107589566A CN107589566A CN201710664239.2A CN201710664239A CN107589566A CN 107589566 A CN107589566 A CN 107589566A CN 201710664239 A CN201710664239 A CN 201710664239A CN 107589566 A CN107589566 A CN 107589566A
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- China
- Prior art keywords
- liquid crystal
- filter coating
- image
- photosensory assembly
- shielding part
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Blocking Light For Cameras (AREA)
Abstract
A kind of photosensory assembly, it includes filter coating and light sensing circuit, and the light sensing circuit receives the optical signal through the filter coating.The filter coating includes liquid crystal structure, and the liquid crystal structure includes liquid crystal, different according to the liquid crystal deflection angle, and the liquid crystal forms transmittance section and the light shielding part of the filter coating, and the transmittance section and the light shielding part are arranged at intervals.The present invention can convert the rotational angle of liquid crystal as needed by using material of the liquid crystal as filter coating light shielding part, can obtain the image of all phase, and coverage is bigger.And the form of light shielding part can be adjusted as needed, adjustment obtains the definition of picture, can more flexibly obtain image.
Description
Technical field
The present invention relates to a kind of photosensory assembly, especially a kind of photosensory assembly for being applied to obtain image.
Background technology
Traditional photosensory assembly, it is that image is obtained by the combination of lens, due to needing multiple lens combinations to use, sense
Optical assembly volume is larger, and existing electronic product, increasingly to lightening development, certainly will have to photosensory assembly as frivolous development
Requirement, and existing photosensory assembly has certain limitation.
In order to solve the bulky problem of traditional photosensory assembly, it is proposed that the photosensory assembly of plane, without multiple lens
Combination, image is obtained by being arranged at the plane grating before photo electric sensitive element.Existing plane photosensory assembly raster graphic list
One, the problems such as definition of the distance of object, direction and obtained picture can be shot, it can not be adjusted as needed,
It is therefore desirable to provide one kind can more flexibly obtain comprehensive picture rich in detail photosensory assembly.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind flexibly to obtain comprehensive picture rich in detail photosensory assembly.
To achieve these goals, the present invention provides a kind of photosensory assembly, and it includes filter coating and light sensing circuit, described
Light sensing circuit receives the optical signal through the filter coating.The filter coating includes liquid crystal structure, and the liquid crystal structure includes
Liquid crystal, the liquid crystal form transmittance section and the light shielding part of the filter coating, and the transmittance section and the light shielding part are arranged at intervals.
Further, the liquid crystal structure also includes driving electrodes and public electrode, in the driving electrodes and common electrical
Liquid crystal deflection described in pressurised driving between pole.
Further, the liquid crystal structure also includes thin film transistor (TFT), and the thin film transistor (TFT) connects the driving electrodes.
Further, the thin film transistor (TFT) is made using non-crystalline silicon or low temperature polysilicon process.
Further, the liquid crystal structure also includes upper substrate and infrabasal plate, and the driving electrodes are located at upper substrate, described
Public electrode is located at infrabasal plate, or the driving electrodes are located at infrabasal plate, and the public electrode is located at upper substrate.
Further, the transmittance section and light shielding part form are variable.
Further, the liquid crystal structure includes multiple cells, and the liquid crystal is located in cell.
The photosensitive method of above-mentioned photosensory assembly is：The liquid crystal of light shielding part in filter coating is driven, and the liquid crystal occurs inclined
Certain angle or lasting deflection are gone to, the light sensing circuit obtains the optical signal through the filter coating, to above-mentioned optical signal
Parsed, obtain image.
Further, if the liquid crystal deflection to certain angle, the light sensing circuit obtains optical signal, light is stated to described
Signal carries out parsing and obtains image；If the liquid crystal persistently deflects, the light sensing circuit obtains multigroup optical signal, to described more
Group optical signal carries out parsing and obtains image, and the multiple image is spliced, and obtains complete image.
Further, the quality of image is obtained to adjustment, adjusts the shape of transmittance section and light shielding part in the filter coating
After state, the liquid crystal is driven again, obtains image.
The present invention can convert the rotation of liquid crystal as needed by using material of the liquid crystal as the spill shield of filter coating
Angle, the image of all phase can be obtained, coverage is bigger, and can adjust the form of light shielding part as needed, adjustment
The definition of picture is obtained, can more flexibly obtain image.
Brief description of the drawings
Fig. 1 is the structural representation of photosensory assembly of the present invention.
Fig. 2 is the floor map of the embodiment of filter coating one.
Fig. 3 is the floor map of the another embodiment of filter coating.
Fig. 4 is the floor map of another embodiment of filter coating.
Fig. 5 is the structural representation of the embodiment of filter coating one.
Fig. 6 is the structural representation of the another embodiment of filter coating.
Fig. 7 is the circuit diagram of Fig. 6 filter coatings.
Fig. 8 is the light path schematic diagram that photosensory assembly obtains image.
Fig. 9 is liquid crystal deflection schematic diagram in image acquisition procedures.
Figure 10 is each bearing images schematic diagram that photosensory assembly obtains.
Figure 11 is each bearing images splicing schematic diagram.
Figure 12 is lcd segment schematic diagram in filter coating.
Figure 13 is the lcd segment schematic diagram after the form for changing light shielding part.
Figure 14 is the schematic flow sheet that photosensory assembly obtains image.
Embodiment
Invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the photosensory assembly of the present invention includes filter coating 1 and light sensing circuit 2, the filter coating 1 and described
Light sensing circuit 2 is bonded by optics colloid 3.The filter coating 1 obtains optical signal using optical principle, diffraction such as light, dry
Relate to, the optical signal that the sensing of light sensing circuit 2 is formed by the light beam of the filter coating 1.
As shown in Figure 2, Figure 3, Figure 4, the filter coating 1 include multiple transmittance sections 10 and it is multiple positioned at the transmittance section 10 it
Between light shielding part 11, i.e., described transmittance section 10 and the light shielding part 11 are arranged at intervals.The transmittance section 10 of the filter coating 1 and screening
Light portion 11 can have variform.
As shown in Fig. 2 the transmittance section 10 of the filter coating 1 and light shielding part 11 are shaped as bar shaped, the He of transmittance section 10
The parallel interval of light shielding part 11 arranges.
As shown in figure 3, the transmittance section 10 and the light shielding part 11 are circle, the transmittance section 10 and the light shielding part 11
With the same center of circle, the transmittance section 10 of diverse location and light shielding part 11 have different radiuses, the transmittance section 10 and light shielding part
11 be spaced annulus.
As shown in figure 4, the transmittance section 10 and the light shielding part 11 are diverging figure, the transmittance section 10 and the shading
Portion 11 is the bar shaped outwards dissipated from central point, and the bar shaped is smaller closer to center width, wide closer to boundary position
Degree is bigger, and the border for telling transmittance section 10 and the light shielding part 11 can be straight line or curve.
The light sensing circuit 2 can use CCD (Capacitance Coupled) photo-sensitive cells or CMOS (CMOSs half
Conductor) photo-sensitive cell.Wherein CMOS photo-sensitive cells can use silicon, glass to be made as base material.
As illustrated in figs. 5-7, the structure of the filter coating 1 is specifically introduced below according to different embodiments.
The filter coating 1 makes transmittance section 10 and light shielding part 11 using liquid crystal material, utilizes the liquid crystal 14 of diverse location
Deflection angle is different, and the deflection angle of partial liquid crystal 14 will not stop that light is injected, and form the transmittance section 10 of filter coating 1, part
The deflection angle of liquid crystal 14 shuts out the light injection, forms the light shielding part 11 of filter coating 1.The filter can be controlled to adjust as needed
The deflection angle of liquid crystal 14 in light film, and then adjust the spies such as the shape, thickness, interval of the transmittance section 10 and the light shielding part 11
Sign.
As shown in figure 5, it is an embodiment of the filter coating 1, the filter coating 1 includes liquid crystal structure, the liquid crystal
Structure includes upper substrate 12, infrabasal plate 13 and the liquid crystal 14 between the upper and lower substrate (12,13), the upper substrate
12 and infrabasal plate 13 be glass substrate, the upper substrate 12 is provided with driving electrodes 15, and the infrabasal plate 13 is provided with public electrode 16,
Can certainly the upper substrate 12 public electrode 16 is set, infrabasal plate 13 sets driving electrodes 15.The upper and lower substrate (12,
13) cavity is formed between, the liquid crystal 14 is poured into the cavity, and each liquid crystal 14 is in a cell.When to institute
When stating driving electrodes 15 and the pressurization of the public electrode 16, the liquid crystal 14 is driven to deflect.According to the deflection angle of liquid crystal 14
Degree is different, forms transmittance section 10 and the light shielding part 11 of filter coating 1.
As shown in fig. 6-7, it is another embodiment of the filter coating 1, and the filter coating 1 includes liquid crystal structure, described
Liquid crystal structure includes upper substrate 12, liquid crystal 14 and infrabasal plate 13, and the upper substrate 12 and infrabasal plate 13 are oppositely arranged, the liquid crystal
14 between the infrabasal plate 13 and the upper substrate 12.The upper substrate 12 includes public electrode 15, the infrabasal plate 13
Including multiple thin film transistor (TFT)s (TFT) 17 and driving electrodes 16, the thin film transistor (TFT) 17 arranges in an array manner, the drive
The corresponding thin film transistor (TFT) 17 of moving electrode 16 is set.The thin film transistor (TFT) 17 is driven to driving electrodes 16 and the common electrical
The electric capacity 18 that pole 15 forms charges, and the electric capacity 18 of the driving electrodes 16 and the composition of the public electrode 15 discharges, and realizes to liquid
The driving upset of crystalline substance 14.By controlling the selection to the thin film transistor (TFT) 17, and then control the selection to the liquid crystal 14.Institute
Stating thin film transistor (TFT) 17 can use non-crystalline silicon (a-Si) or low temperature polycrystalline silicon (LTPS) technique to make.Optimal, it is described thin
Film transistor 17 is made using the technique of low temperature polycrystalline silicon, and such manufacturing process can reduce the face of thin film transistor (TFT) 17
Product, is more beneficial for the importing of light.
Lower mask body introduces the method that above-mentioned photosensory assembly obtains image.
During image is obtained, the liquid crystal 14 in the filter coating 1 is driven, and the liquid crystal 14 deflects, light
Line passes through the transmittance section 10 between the filter coating light shielding part 11, using the transmittance section 10 and the form of the light shielding part 11,
Optical signal, the diffraction of such as light, interference are obtained using optical principle, optical signal is obtained by the light sensing circuit 2, and the light passes
The optical signal is converted to electric signal by inductive circuit 2.The time that the liquid crystal 14 deflects receives light letter with the light sensing circuit 2
Number conversion is corresponding to the time of electric signal, is received in the light sensing circuit 2 and optical signal and the optical signal is converted into electricity
After signal, the liquid crystal 14 is deflected next time.
When obtaining image, the yawing moment of the liquid crystal 14 is controlled, determines the form of the light shielding part 11 of the filter coating 1,
Optical signal is obtained through filter coating 1 by the light sensing circuit 2.The optical signal obtained to the light sensing circuit 2 parses,
Obtain image.Image to obtain other orientation, the yawing moment of the liquid crystal 14 is adjusted, reacquire image.
Fig. 8-14 shows the process for obtaining omnidirectional images.As shown in figure 8, the photo-sensitive cell is wanted to obtain entirely
The distance between orientation scene 19, the filter coating light shielding part 11 is d1, the comprehensive scene 19 and the photo-sensitive cell
Distance is d2, and d1 size determines the distance of shooting object, that is, shoots how remote image.D1 size and transmittance section 10
The quantity of middle liquid crystal cells lattice is relevant, and its numerical value is the multiple of liquid crystal cells lattice length.During an image obtains, control
The liquid crystal 14 for making the light shielding part 11 constantly deflects under the driving of voltage.As shown in figure 9, with the deflection of the liquid crystal 14,
Different angle (liquid crystal of different angle is shown by dashed lines in deflection), the light sensing circuit 2 is presented in the liquid crystal 14
The optical signal of incidence angles degree is obtained, i.e., described sensing circuit obtains multigroup optical signal, and the optical signal of same incident angle is
One group of optical signal, every group of optical signal obtain piece image.Although Fig. 9 shows clockwise yawing moment, this is not to use
It is of the invention in limiting, and the clearer description present invention is intended merely to, the yawing moment of the liquid crystal 14 is not limited, Ke Yishi
Clockwise, it can be counterclockwise or other modes.As shown in Figure 10, in an image acquisition procedures, the light passes
Inductive circuit 2 obtains the multiple image of different azimuth, and image is obtained to the light sensing circuit 2 and carries out image binaryzation processing, and
The image of acquisition is reduced, can be by way of Fourier changes to the reduction for obtaining image.As shown in figure 11, will be upper
The multiple image for stating reduction is overlapped, i.e., is spliced the image in each orientation, forms complete image.Such as Figure 12-14
It is shown, the contrast for obtaining image is analyzed, i.e., the edge of detection image, the edge of described image refer to two kinds of colors of image
Coloured silk converges part edge, the contour edge of image.If the contrast of described image is not up to maximum, liquid crystal is deflected by adjusting
14 quantity or angle of deflection liquid crystal 14 or both are all adjusted, to change in filter coating 1 in the form of transmittance section 10,
So that the photo-sensitive cell obtains more remote image, i.e. d2 increases.The step of repeating above-mentioned acquisition image, described in driving
Liquid crystal 14 in light shielding part 11 so that it deflects, and during the liquid crystal 14 deflects, obtains multiple image.To upper
State image and carry out reduction splicing, whether the contrast that analysis obtains image reaches maximum, if not up to maximum, continue to adjust
Whole transmittance section 10 diameter or width (if transmittance section 10 is bar shaped, adjust transmittance section 10 width, if transmittance section 10 for annular,
Adjust the diameter of the annulus of the transmittance section 10), change the modes such as the angle of incident ray so that and image becomes apparent from saturation,
Until the contrast of described image reaches optimal, output image.
By the form for the transmittance section 10 for converting the filter coating 1, change the figure that the light sensing circuit 2 can obtain
Picture, and then adjust the definition for obtaining image.
The present invention can convert liquid crystal as needed by using material of the liquid crystal 14 as the light shielding part 11 of filter coating 1
14 rotational angle, the image of all phase can be obtained, coverage is bigger, and can adjust light shielding part 11 as needed
Form, adjustment obtain the definition of picture, can more flexibly obtain image.
Claims (10)
1. a kind of photosensory assembly, it includes filter coating and light sensing circuit, and the light sensing circuit, which receives, passes through the filter coating
Optical signal, it is characterised in that：The filter coating includes liquid crystal structure, and the liquid crystal structure includes liquid crystal, and the liquid crystal is formed
The transmittance section of the filter coating and light shielding part, the transmittance section and the light shielding part are arranged at intervals.
2. photosensory assembly as claimed in claim 1, it is characterised in that：The liquid crystal structure also includes driving electrodes and common electrical
Pole, the liquid crystal deflection described in pressurised driving between the driving electrodes and public electrode.
3. photosensory assembly as claimed in claim 2, it is characterised in that：The liquid crystal structure also includes thin film transistor (TFT), described
Thin film transistor (TFT) connects the driving electrodes.
4. photosensory assembly as claimed in claim 3, it is characterised in that：The thin film transistor (TFT) is more using non-crystalline silicon or low temperature
Crystal silicon technique makes.
5. photosensory assembly as claimed in claim 2, it is characterised in that：The liquid crystal structure also includes upper substrate and infrabasal plate,
The driving electrodes are located at upper substrate, and the public electrode is located at infrabasal plate, or the driving electrodes are located at infrabasal plate, described
Public electrode is located at upper substrate.
6. photosensory assembly as claimed in claim 1, it is characterised in that：The transmittance section and light shielding part form are variable.
7. photosensory assembly as claimed in claim 1, it is characterised in that：The liquid crystal structure includes multiple cells, the liquid
Crystalline substance is in cell.
8. the photosensitive method of photosensory assembly as claimed in claim 1, it is characterised in that：The liquid crystal quilt of light shielding part in filter coating
Driving, the liquid crystal deflect to certain angle or lasting deflection, the light sensing circuit and obtained through the filter coating
Optical signal, the optical signal is parsed, obtain image.
9. the photosensitive method of photosensory assembly as claimed in claim 8, it is characterised in that：If the liquid crystal deflection is to certain angle
Degree, the light sensing circuit obtain optical signal, and parsing is carried out to above-mentioned optical signal and obtains image；If the liquid crystal persistently deflects,
The light sensing circuit obtains multigroup optical signal, and parsing is carried out to multigroup optical signal and obtains image, to the multiple image
Spliced, obtain complete image.
10. the photosensitive method of the photosensory assembly as described in claim 1 or 8, it is characterised in that：Image is obtained to adjustment
Quality, adjust in the filter coating after the form of transmittance section and light shielding part, drive the liquid crystal again, obtain image.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664239.2A CN107589566B (en) | 2017-07-28 | 2017-07-28 | Photosensitive assembly |
| PCT/CN2018/090237 WO2019019813A1 (en) | 2017-07-28 | 2018-06-07 | Photosensitive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664239.2A CN107589566B (en) | 2017-07-28 | 2017-07-28 | Photosensitive assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107589566A true CN107589566A (en) | 2018-01-16 |
| CN107589566B CN107589566B (en) | 2020-09-15 |
Family
ID=61043167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710664239.2A Active CN107589566B (en) | 2017-07-28 | 2017-07-28 | Photosensitive assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107589566B (en) |
| WO (1) | WO2019019813A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019019813A1 (en) * | 2017-07-28 | 2019-01-31 | 深圳吉迪思电子科技有限公司 | Photosensitive assembly |
| CN111158178A (en) * | 2020-02-27 | 2020-05-15 | 武汉华星光电技术有限公司 | Liquid crystal panel and liquid crystal display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019019813A1 (en) | 2019-01-31 |
| CN107589566B (en) | 2020-09-15 |
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Address after: 518000 a1102, Shenzhen national engineering laboratory building, No. 20, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Howell touch and display technology (Shenzhen) Co.,Ltd. Address before: 518000 Room 601, east block, coast city, Wenxin fifth road, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN JIDISI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Address after: 2405, yuemeite building, No. 1, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Howell touch and display technology (Shenzhen) Co.,Ltd. Address before: 518000 a1102, Shenzhen national engineering laboratory building, No. 20, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: Howell touch and display technology (Shenzhen) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |