CN107085338A - A kind of adaptive adjustment method of blue phase liquid crystal lenticule and its system used - Google Patents
A kind of adaptive adjustment method of blue phase liquid crystal lenticule and its system used Download PDFInfo
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- CN107085338A CN107085338A CN201710380188.0A CN201710380188A CN107085338A CN 107085338 A CN107085338 A CN 107085338A CN 201710380188 A CN201710380188 A CN 201710380188A CN 107085338 A CN107085338 A CN 107085338A
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- liquid crystal
- blue phase
- phase liquid
- crystal lens
- light
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 75
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 21
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 238000005305 interferometry Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13793—Blue phases
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of debugging system, more particularly to a kind of adaptive debugging system of blue phase liquid crystal lenticule.It comprises the following steps：1）Obtain monochromatic collimated beam source；2）Obtain two-beam interference directional light；3）Obtain interference fringe；4）Send computer to；5）Obtain the normalized curve of light distribution；6）Two kinds of curves are compared；7）What contrast was met is applied to blue phase liquid crystal lens driver again；8）Blue phase liquid crystal lens driver；9）Light through blue phase liquid crystal lens to be debugged is modulated；10）Repeat the above steps.The present invention is used for the debugging of blue phase liquid crystal lens, realizes that high performance application has great importance to the response speed blue phase liquid crystal lens with sub- millisecond.
Description
Technical field
The present invention relates to a kind of debugging system, more particularly to a kind of adaptive debugging system of blue phase liquid crystal lenticule and its tune
Method for testing.
Background technology
Many liquid crystal lens operation principles, the research of design and craft are reported in document, conclusion is often to obtain
Device with certain lens function, but for its optical property compared with rationality lens difference how much, liquid crystal lens that
The problematic poor optical properties caused in a little exact positions, and how targetedly to propose to improve the design and work of liquid crystal lens
Skill is often indefinite in its performance, document to improve, and its main cause is that liquid crystal lens adjustment method traditional at present is to use
Liquid crystal lens judge the convergent effect of parallel linearly polarized light the performance of liquid crystal lens, but only from the convergent effect of liquid crystal lens
Its index distribution can not be obtained, therefore is difficult to judge that regional area liquid crystal molecule direction of liquid crystal lens needs adjustment, that
One regional area liquid crystal molecule direction need not be adjusted, therefore be usually rule of thumb repeatedly to attempt to recall lens effect, also not
Easily targetedly improve design and craft.The granted patent of Application No. 201410446532.8：Liquid crystal lens optimization side
Method and describe the Optimization Debugging for nematic liquid crystal lens using its system, due to the nematic liquid crystal lens have it is inclined
Shake dependence, interference fringe is obtained using linearly polarized light principle of interference, but due to blue phase liquid crystal article polarization dependence, this method
Debugging for blue phase liquid crystal lens is not applied to simultaneously.
The content of the invention
There is provided a kind of blue phase liquid crystal lenticule of fast response time is adaptive for the defect that makes up prior art by the present invention
The system answered adjustment method and its used.
The present invention is achieved through the following technical solutions：
A kind of adaptive adjustment method of blue phase liquid crystal lenticule, it is characterized in that, comprise the following steps：
1）Obtain monochromatic collimated beam source；
2）Monochromatic collimated beam source compensated by compensation device after two-beam interference directional light；
3）Two-beam interference directional light obtains interference fringe after the interference of CCD imaging lens groups；
4）Image-forming component CCD sends the interference fringe monitored to computer；
5）The program processing interference fringe designed in computer obtains the normalized curve of light distribution；
6）Computer is bent by the normalized light distribution of Perfect Interferometry striped in the curve of light distribution and computer of above-mentioned acquisition
Line is compared, and judges whether difference is eligible, if it is satisfied, computer export motor optimum voltage value file；Such as
Fruit is unsatisfactory for, then carries out next step；
7）If being unsatisfactory for condition, the driving voltage of the Program Generating electrode of Computer Design is applied to the driving of blue phase liquid crystal lens
Device；
8）Blue phase liquid crystal lens driver：The electrode voltage value that computer is set gives blue phase liquid crystal lens, while to blue phase
Voltage during the electrode offer work of liquid crystal lens；
9）Light through blue phase liquid crystal lens to be debugged is modulated；
10）Repeat the above steps, until obtaining optimum voltage value.
System used in the above-mentioned adaptive adjustment method of blue phase liquid crystal lenticule, it is characterized in that, including monochromatic collimated beam
Source, the compensation device for receiving monochromatic collimated beam source and obtaining two-beam interference directional light, receive the CCD of two-beam interference directional light
Imaging lens group, the CCD image-forming components being connected with CCD imaging lens group primary circuits, computer, liquid crystal lens driving plate,
Respectively there is a speculum at compensation device rear and blue phase liquid crystal lens rear to be debugged.
The compensation device includes two pieces of parallel transparent plates and blue phase liquid crystal lens are used in compensation, wherein close to light source one
The back side of the transparent plate of side is coated with translucent silverskin.
The transparent plate is glass plate.
The compensation device includes Amici prism and blue phase liquid crystal lens are used in compensation.
The monochromatic collimated beam source is obtained by following device：The laser put successively including laser, convergent lens,
Aperture diaphragm, collimation lens and diaphragm.
The monochromatic collimated beam source can also be obtained by following device：Including the spot light put successively, aperture diaphragm,
Collimation lens, narrow band pass filter and adjustable diaphragm.
The monochromatic collimated beam source can also be obtained by following device：Including the fan, ellipsoid lampshade, hole put successively
Footpath diaphragm, collimation lens, narrow band pass filter and adjustable diaphragm.
The beneficial effects of the invention are as follows：
The contrast that the present invention is distributed according to the Perfect Interferometry striped of design liquid crystal lens with actually measured interference fringe transmitance,
Can determine whether need debug position and corresponding electrode voltage this how to change, make the transmission of liquid crystal lens interference fringe
Rate is distributed, adjustment offer to blue phase liquid crystal lens performance more identical with preferable blue phase liquid crystal lens interference fringe transmitance distribution
Instruct, high performance application, which has great importance, to be realized to the response speed blue phase liquid crystal lens with sub- millisecond.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is the first embodiment for obtaining monochromatic collimated beam source；
Fig. 2 is second of embodiment for obtaining monochromatic collimated beam source
Fig. 3 is the third embodiment for obtaining monochromatic collimated beam source；
Fig. 4 is the first embodiment of compensation device
Fig. 5 is second of embodiment of compensation device；
Fig. 6 is the interference fringe distribution that image-forming component CCD is monitored；
Fig. 7 is interference fringe transmitance and electrode corresponding relation；
Fig. 8 is computer debugging process surface chart；
Fig. 9 is experimental provision schematic diagram of the invention；
The operation principle schematic flow sheet of Figure 10 present invention.
In figure：1 laser, 2 convergent lenses, 3 aperture diaphragms, 4 collimation lenses, 5 diaphragms, 6 spot lights, 7 narrow band pass filters,
8 adjustable diaphragms, 9 fans, 10 ellipsoid lampshades, 11 Amici prisms, P1 is coated with the transparent plate of translucent silverskin, P2 transparent plates,
Blue phase liquid crystal lens are used in M1, M2 speculum, blue phase liquid crystal lens to be debugged L1, L2 compensation, L3 CCD imaging lens groups, C into
Element CCD, D liquid crystal lens driving plate, P computers, the interference fringe transmitance distribution of LX ideal liquid crystal liquid crystal lens, HX is adjusted
The transmitance distribution of the interference fringe of the blue phase liquid crystal lens of examination.
Embodiment
Accompanying drawing is specific embodiment of the invention.As shown in Figures 1 to 10, this kind of blue phase liquid crystal lenticule is adaptively debugged
Method, comprises the following steps：
1）Obtain monochromatic collimated beam source；There are three kinds of methods：The first as shown in figure 1, send light beam by laser 1, light beam according to
The secondary monochromatic collimated beam source by obtaining uniform intensity after convergent lens 2, aperture diaphragm 3, collimation lens 4 and diaphragm 5, when using
Laser speckle processing is done, makes light intensity homogenisation, can be using one, multiple rotations or the diffuser or random phase piece shaken
Optimize the light source uniformity；Second as shown in Fig. 2 the light beam that spot light 6 is sent pass sequentially through aperture diaphragm 3, collimation lens 4,
The monochromatic collimated beam source of uniform intensity is obtained after narrow band pass filter 7 and adjustable diaphragm 8；The third is as shown in figure 3, install a wind
Fan 9, one ellipsoid lampshade 10 of the front of fan 9 placement, the light that ellipsoid lampshade 10 is sent passes sequentially through aperture diaphragm 3, collimation lens
4th, the monochromatic collimated beam source of uniform intensity is obtained after narrow band pass filter 7 and adjustable diaphragm 8；
2）Monochromatic collimated beam source obtained above compensated by compensation device after two-beam interference directional light, compensation device
There are two kinds：The first is as shown in figure 4, two pieces tilt and parallel transparent plate and compensation blue phase liquid crystal lens L2, close to light
The transparent plate P1 that translucent silverskin is coated with for the back side of source side, plays light splitting, and another piece of transparent plate P2 plays compensation and made
With compensation optical path difference, transparent plate can use glass plate, and compensation is saturating with blue phase liquid crystal lens L2 and blue phase liquid crystal to be debugged
Mirror L1 is vertical；Second as shown in figure 5, including an Amici prism 11 and compensation blue phase liquid crystal lens L2, same compensation is used
Blue phase liquid crystal lens L2 is vertical with blue phase liquid crystal lens L1 to be debugged；When above-mentioned compensation device is passed through in monochromatic collimated beam source,
Reflection light velocity a and transmitted light beam b is divided into by first piece of transparent plate P1 or Amici prism 11, speculum M1 incident lights a1 is simultaneously
Simultaneously reflected light b2, a2 and b2 are obtained two-beam interference directional light by reflected light a2, speculum M2 incident lights b1；（In Fig. 4
In Fig. 5, incident light a1 and reflected light a2, incident light b1 and reflected light b2 are separately drawn, are for the ease of understanding）；
3）Two-beam interference directional light obtained above obtains interference fringe after CCD imaging lens groups L3 interference；
4）Image-forming component CCD C send the interference fringe monitored to computer P；It is image-forming component CCD prisons as shown in Figure 6
The interference fringe distribution measured；
5）The program processing interference fringe designed in computer P obtains the normalized curve of light distribution；It is dry as shown in Figure 7
Relate to electric striped transmitance and electrode corresponding relation；
6）Computer P is bent by the normalized light distribution of Perfect Interferometry striped in the curve of light distribution and computer of above-mentioned acquisition
Line is compared, and judges whether difference is eligible, if it is satisfied, computer export motor optimum voltage value file；Such as
Fruit is unsatisfactory for, then carries out next step；It is computer debugging process surface chart as shown in Figure 8, wherein LX represents preferable liquid crystal liquid
The interference fringe transmitance distribution of brilliant lens, HX represents the transmitance distribution of the interference fringe of the blue phase liquid crystal lens of debugging；
7）If being unsatisfactory for condition, the driving voltage of the Program Generating pole of Computer Design is applied to blue phase liquid crystal lens driving dress
Put；
8）The electrode voltage value that computer is set is given blue phase liquid crystal lens by blue phase liquid crystal lens driver, while to blue phase liquid
Voltage during the electrode offer work of brilliant lens；
9）Light through blue phase liquid crystal lens L1 to be debugged is modulated；
10）Repeat the above steps, until obtaining optimum voltage value.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (8)
1. a kind of adaptive adjustment method of blue phase liquid crystal lenticule, it is characterized in that, comprise the following steps：
1）Obtain monochromatic collimated beam source；
2）Monochromatic collimated beam source compensated by compensation device after two-beam interference directional light；
3）Two-beam interference directional light obtains interference fringe after the interference of CCD imaging lens groups；
4）Image-forming component CCD sends the interference fringe monitored to computer；
5）The program processing interference fringe designed in computer obtains the normalized curve of light distribution；
6）Computer is bent by the normalized light distribution of Perfect Interferometry striped in the curve of light distribution and computer of above-mentioned acquisition
Line is compared, and judges whether difference is eligible, if it is satisfied, computer export motor optimum voltage value file；Such as
Fruit is unsatisfactory for, then carries out next step；
7）If being unsatisfactory for condition, the driving voltage of the Program Generating electrode of Computer Design is applied to the driving of blue phase liquid crystal lens
Device；
8）Blue phase liquid crystal lens driver：The electrode voltage value that computer is set gives blue phase liquid crystal lens, while to blue phase
Voltage during the electrode offer work of liquid crystal lens；
9）Light through blue phase liquid crystal lens to be debugged is modulated；
10）Repeat the above steps, until obtaining optimum voltage value.
2. system used in the adaptive adjustment method of blue phase liquid crystal lenticule described in claim 1, it is characterized in that, including list
Color source of parallel light, the compensation device for receiving monochromatic collimated beam source and obtaining two-beam interference directional light, receive two-beam interference and put down
The CCD imaging lens groups of row light, CCD image-forming components, computer, the liquid crystal lens being connected with CCD imaging lens group primary circuits
Driving plate, respectively has a speculum at compensation device rear and blue phase liquid crystal lens rear to be debugged.
3. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to claim 2, it is characterized in that, institute
Stating compensation device includes two pieces of parallel transparent plates and compensation blue phase liquid crystal lens, wherein close to the transparent flat of light source side
The back side of plate is coated with translucent silverskin.
4. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to claim 3, it is characterized in that, institute
Transparent plate is stated for glass plate.
5. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to claim 2, it is characterized in that, institute
Stating compensation device includes Amici prism and compensation blue phase liquid crystal lens.
6. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to any one of claim 2 to 5, its
It is characterized in that the monochromatic collimated beam source is obtained by following device：Including the laser, convergent lens, aperture light put successively
Door screen, collimation lens and diaphragm.
7. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to any one of claim 2 to 5, its
It is characterized in that the monochromatic collimated beam source is obtained by following device：It is saturating including the spot light put successively, aperture diaphragm, collimation
Mirror, narrow band pass filter and adjustable diaphragm.
8. system used in the adaptive adjustment method of blue phase liquid crystal lenticule according to any one of claim 2 to 5, its
It is characterized in that the monochromatic collimated beam source is obtained by following device：Including the fan put successively, ellipsoid lampshade, aperture diaphragm,
Collimation lens, narrow band pass filter and adjustable diaphragm.
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| CN201710380188.0A CN107085338A (en) | 2017-05-25 | 2017-05-25 | A kind of adaptive adjustment method of blue phase liquid crystal lenticule and its system used |
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| CN201710380188.0A CN107085338A (en) | 2017-05-25 | 2017-05-25 | A kind of adaptive adjustment method of blue phase liquid crystal lenticule and its system used |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11119218A (en) * | 1997-10-20 | 1999-04-30 | Sharp Corp | Display device |
| CN101469976A (en) * | 2007-12-28 | 2009-07-01 | 富士能株式会社 | Light wave interferometer apparatus |
| US20090168076A1 (en) * | 2007-12-28 | 2009-07-02 | Zongtao Ge | Light wave interferometer apparatus |
| CN103105236A (en) * | 2013-01-18 | 2013-05-15 | 电子科技大学 | Method for detecting phase of liquid crystal space optical phase modulator |
| CN104216195A (en) * | 2014-09-04 | 2014-12-17 | 昆山龙腾光电有限公司 | Liquid-crystal lens optimization method and system employing same |
| CN104976965A (en) * | 2015-06-30 | 2015-10-14 | 福建师范大学 | Convergent light polarization interference surface deviation detection device and method thereof |
-
2017
- 2017-05-25 CN CN201710380188.0A patent/CN107085338A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11119218A (en) * | 1997-10-20 | 1999-04-30 | Sharp Corp | Display device |
| CN101469976A (en) * | 2007-12-28 | 2009-07-01 | 富士能株式会社 | Light wave interferometer apparatus |
| US20090168076A1 (en) * | 2007-12-28 | 2009-07-02 | Zongtao Ge | Light wave interferometer apparatus |
| CN103105236A (en) * | 2013-01-18 | 2013-05-15 | 电子科技大学 | Method for detecting phase of liquid crystal space optical phase modulator |
| CN104216195A (en) * | 2014-09-04 | 2014-12-17 | 昆山龙腾光电有限公司 | Liquid-crystal lens optimization method and system employing same |
| CN104976965A (en) * | 2015-06-30 | 2015-10-14 | 福建师范大学 | Convergent light polarization interference surface deviation detection device and method thereof |
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Application publication date: 20170822 |