CN107688248A - liquid crystal on silicon test platform - Google Patents
liquid crystal on silicon test platform Download PDFInfo
- Publication number
- CN107688248A CN107688248A CN201610640840.3A CN201610640840A CN107688248A CN 107688248 A CN107688248 A CN 107688248A CN 201610640840 A CN201610640840 A CN 201610640840A CN 107688248 A CN107688248 A CN 107688248A
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- China
- Prior art keywords
- ring body
- switching device
- liquid crystal
- telescopic switching
- test platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
Abstract
The present invention provides a kind of liquid crystal on silicon test platform, comprises at least：Bearing base；Telescopic switching device, it is configured above bearing base, telescopic switching device includes at least one first ring body, and one first hole with one first radius runs through；And at least one second ring body, one second hole with one second radius run through, at least the first ring body is coupled, wherein at least the first ring body has at least a portion overlapping with least the second ring body, to increase or decrease the length of telescopic switching device；Camera lens, connect telescopic switching device；And polarization splitting prism, it is configured on detection optical path.
Description
Technical field
The present invention relates to liquid crystal on silicon semi-automatic test platform field, more so it is related to stretching for liquid crystal on silicon test platform
Contracting adapter.
Background technology
Liquid crystal on silicon is also known as liquid crystal silicon substrate (Liquid Crystal On Silicon, LCoS) its structure and film
Transistor liquid crystal (TFT-LCD) is similar, and TFT-LCD is to pour into liquid crystal in upper and lower two pieces of glass substrates, and LCOS is then
The drive circuit formed using CMOS processing procedures is used as underlying substrate.
For LCOS products, typically, its outward appearance and feature can be detected, for example, for feature
Detection, can a detection technique or detection environment under test LCOS internal circuits correctness or video imaging quality；It is right
In apparent detection, the defects of glass or product appearance can be checked under detection technique or detection environment, for example, surface and interior
The dirty confirmation in portion.
In order to be detected to LCOS, half automatically testing platform is often used, this platform has an optical path with right
LCOS is detected, and this optical path may include with retardation plate, phase-plate, polarization splitting prism, spectroscope, lens, camera lens
An and camera.And in this optical path, the position of most of optical module and spacing be it is nonadjustable, for example,
The spacing of LCOS and retardation plate is fixed, the spacing of retardation plate to polarization splitting prism is also fixed, meanwhile, camera position need to match somebody with somebody
Closing operation flow and operating environment, therefore be also likely to be fixed.And camera is next to an adapter is generally had between camera lens
Support or fixed lens, and the distance between fixed lens and camera.
From the foregoing, under the use of adapter, therefore the distance of camera and camera lens can fix.If desired testing
Different LCOS products are tested on platform, then because LCOS products have different panel sizes, and because optical path is set
The spacing of optical module can not be transferred under meter, therefore when changing a different LCOS product test, it is necessary to change a difference
The adapter of size coordinates LCOS products, to reach the different test conditions of test platform.On the other hand, although camera lens can be with
Focal length is finely tuned, but the degree that can be finely tuned is smaller, is not enough to deal with the LCOS products of different Dimension Types.Manufacture different turn
Device is connect to meet that the cost of the test condition of different product is very high, because total class of product may be very more, while is being changed
Usually cause the environment of optical path to change during adapter, test result, or even increase damage optics group may be influenceed
The risk of part or camera lens, for the test environment of different total class products, if using the adapter of single specification for detecting environment
For the fixed detection environment of very inconvenient, easy change, and add more times and pecuniary cost.
The content of the invention
It is i.e. above-mentioned with solving the problems, such as in view of the missing of above-mentioned existing single specification adapter, the present invention.The present invention
A purpose be to provide a kind of liquid crystal on silicon test platform, improving the adapter that existing test platform uses needs to spend
More times change adapter and need to manufacture the missing of the adapter of many different sizes, and this means, liquid crystal on silicon of the invention is surveyed
The telescopic switching device of platform is tried, is not required to adapter taking down replacing, or manufacture different size during test product is changed
Adapter, but the regulation of lens location is completed using collapsing length, can be issued in the situation for being not required to change adapter
The requirement of test environment.
In order to reach the purpose and other purposes taken off, the present invention provides a kind of liquid crystal on silicon test platform, test platform
Telescopic switching device, be to be coupled using multiple ring bodies, stretched, with the length of adjusting switchover device.The liquid crystal on silicon of the present invention
Test platform, comprise at least：Bearing base；Telescopic switching device, is configured at the top of bearing base, and telescopic switching device at least wraps
Contain：At least one first ring body, one first hole with one first radius run through；And at least one second ring body, have one the
One second hole of two radiuses runs through, and couples at least the first ring body, and wherein at least the first ring body has extremely with least the second ring body
It is few a part of overlapping, to increase or decrease the length of telescopic switching device；Camera lens, connect telescopic switching device；And polarization splitting prism,
It is configured on detection optical path.
For up to above-mentioned all purposes, wherein the second radius is more than or equal to the radius of at least one first ring body so that at least
One second ring body is covered at least in one first ring body.
Up to above-mentioned all purposes, to have wherein at least in the second ring body and stopping payment screw thread, to fixed at least the first ring body
With at least the second ring body.
To be extended internally up to a first surface of above-mentioned all purposes, wherein at least one first ring body, to an embedded mirror
Head.
For up to above-mentioned all purposes, the material of wherein at least one first ring body and at least one second ring body is aluminium.
For up to above-mentioned all purposes, wherein telescopic switching device telescopic extensions are 0 to 70mm.
Up to above-mentioned all purposes, wherein further including at least one the 3rd ring body, to couple at least one second ring body, wherein at least
3rd ring body has at least a portion overlapping with least the second ring body, to increase or decrease the length of telescopic switching device.
To provide a kind of liquid crystal on silicon test platform up to above-mentioned all purposes, the present invention, comprising at least：Bearing base；Stretch
Contracting adapter, is configured at the top of bearing base, and telescopic switching device comprises at least：At least one first ring body, have one the first half
One first hole in footpath runs through；And at least one second ring body, one second hole with one second radius run through, coupling is at least
First ring body, wherein at least the first ring body are overlapping with least a portion with least the second ring body, to increase or decrease flexible turn
Connect the length of device；Camera lens, connect telescopic switching device；Polarization splitting prism, it is configured on detection optical path；And retardation plate,
It is configured on detection optical path, adjacent polarization splitting prism.
To stretch out up to the second surface of above-mentioned all purposes, wherein at least one first ring body, at least one second ring body
First surface extend internally and the second surface of at least one second ring body stretches out, and wherein at least one first ring body
Second surface and the first surface of at least one second ring body cause telescopic switching device internal light not leak outside when covering.
Compared to previous prior art, according to the telescopic switching for liquid crystal on silicon semi-automatic test platform of the present invention
Device, except compared with conventional adapter have need not it is time-consuming change adapter convenience in addition to, can more reach avoid damage to detect environment
And reduce cost for making multiple single specification adapters and other effects.
Described above is to illustrate the purpose of the present invention, technological means and its attainable effect, in association area
Person skilled in the art can be illustrated by the demonstration of following examples with adjoint schema and claim become apparent from it is bright
The present invention.
Brief description of the drawings
Fig. 1 is to illustrate that the basic framework of the telescopic switching device of liquid crystal on silicon test platform shows according to one embodiment of the invention
It is intended to.
Fig. 2 is the schematic diagram for illustrating telescopic switching device and liquid crystal on silicon detection platform according to one embodiment of the invention.
Fig. 3 is to illustrate that the section of the telescopic switching device of liquid crystal on silicon test platform is illustrated according to one embodiment of the invention
Figure.
Fig. 4 is to illustrate that the collapsing length of the telescopic switching device of liquid crystal on silicon test platform shows according to one embodiment of the invention
It is intended to.
Symbol description
951 liquid crystal on silicon
952 retardation plates
953 polarization splitting prisms
954 camera lenses
955 bearing bases
956 cameras
200th, 300,400, the 500 telescopic switching device for liquid crystal on silicon semi-automatic test platform
501 have the telescopic switching device of extreme length
502 have the telescopic switching device of shortest length
210th, 310,410 first ring body
212nd, 312 first radius
213rd, 313 first hole
220th, 320,420 second ring body
222nd, 322 second radius
223rd, 323 second hole
330th, 430 the 3rd ring body
The first surface of 414 first ring bodies
The second surface of 415 first ring bodies
The first surface of 424 second ring bodies
The second surface of 425 second ring bodies
The first surface of 434 the 3rd ring bodies
The second surface of 435 the 3rd ring bodies
The first surface of 444 the 4th ring bodies
The second surface of 445 the 4th ring bodies
560 telescopic extensions.
Embodiment
The present invention will be described in detail with preferred embodiment and viewpoint.Description below provides the specific execution of the present invention
Details, so that reader thoroughly understands the practising way of these embodiments.The skilled persons in the right field it is understood that the present invention also
It can be carried out under conditions of not possessing these details.In addition, to some well known structure or functions or it will not make thin in text
Section description, to avoid obscuring for unnecessary associated description between various embodiments, the term used in describing below will be with broadest
Rational method explain, even if it is used together with the detailed description of certain of the invention specific embodiment.
First embodiment
Fig. 1 is to illustrate that the basic framework of the telescopic switching device for liquid crystal on silicon test platform shows according to one embodiment of the invention
It is intended to.The present invention provides a kind of telescopic switching device for liquid crystal on silicon semi-automatic test platform, in one embodiment, stretches and turns
Device 200 is connect to comprise at least：At least one first ring body 210, there is the first hole 213 (being not depicted in figure) of one first radius 212
Run through；And at least one second ring body 220, one second hole 223 (being not depicted in figure) with one second radius 222 run through,
At least the first ring body 210 is coupled, wherein at least the first ring body 210 is overlapping with least a portion with least the second ring body 220, with
Increase or decrease the length of telescopic switching device.
Refering to Fig. 1 explanation, in one embodiment, the first ring body of the telescopic switching device 200 of liquid crystal on silicon test platform
210 the first hole 213, its radius are that the first radius 212 runs through the first ring body 210；Second hole 223 of the second ring body 220,
Its radius is that the second radius 222 runs through the second ring body 210, and this second radius 222 is more than or equal to the radius of the first ring body 210,
So that the second ring body 220 is coupled to the first ring body 210 and is covered on 210 in the first ring body.When the second radius 222 is equal to first
During the radius of ring body 210, then the second slow body is just covered in the first ring body 210, when the second radius 222 is more than the first ring body
During 210 radius, then it can increase pad or other materials, to be placed on the first ring body 210 by the second ring body of pad 220
On.Now, the second ring body 220 should be coupled and is covered on 210, meanwhile, the second ring body 220 is overlapping with the first ring body 210 so that
Second ring body 220 is displaced on the first ring body 210, therefore the length of telescopic switching device 200 can pass through the length elongation of covering
Or shorten.
From the above, in one embodiment, it is noted that it is related to the radius of ring body and the radius of hole, it is in this
Numerical value is only for example rather than is any limitation as, and under without departing substantially from scope, user is contemplated that actual state or considers that light leads to
Environment is detected corresponding to amount to make the specification of ring body radius and hole radius, two ring bodies only mutually coupled, latter ring need to be met
The radius in body opening hole is more than or equal to the radius of previous ring body, latter ring body is covered in previous ring body, as ring
Body radius or hole radius physical length are then unrelated with this.
From the above, in one embodiment, have in the second ring body 220 and stop payment screw thread, the first ring body 210 and the can be fixed
Two ring bodies 220, consequently, it is possible to which the first ring body 210 will not be mutually mobile with the second ring body 220, and telescopic switching device 200 can be kept
Regular length.Typically, to make set screw effectively to fix the first ring body 210 and the second ring body 220, the first ring body
210 must have the overlapping of certain length with the second ring body 220.Therefore in one embodiment, telescopic switching device can stretch most long length
The length spent for the first ring body 210 deducts both again plus the length of the second ring body 220 at least needs the length of lap.Citing
For, if the length of the first ring body is 28-32mm, preferably 30mm, the length of the second ring body is 18-22mm, preferably 20mm,
Overlapping 5mm is at least needed, then the tensile extreme length of telescopic switching device is 41-49mm, preferably 45mm.
From the above, in one embodiment, it is noted that the length of the first ring body 210 and the second ring body 212 is manufacturing
Shi Kewei is adjusted, this means, the length of the first ring body 210 and the second ring body 220 and on-fixed.Consequently, it is possible in the first ring body 210
With under the Maximum overlap length of the second ring body 200, the shortest length shortened of telescopic switching device 200 can be the first ring body 210
Length or the second ring body 220 length.For example, if the length of the first ring body is 28-32, preferably 30mm, the second ring
The length of body is 18-22mm, preferably 20mm, under the situation of Maximum overlap, then telescopic switching device can shorten shortest length
For 28-32mm, preferably 30mm.In one embodiment, if the length of the first ring body is equal to the length of the second ring body, at both
When completely overlapped, there is most short collapsing length.
From the above, in one embodiment, material used in the first ring body 210 and the second ring body 220 is aluminium, and is needed
Do anode cloudy surface and contaminate black surface treatment, so that telescopic switching device 200 is durable and with being not easy characteristic that is reflective and being not easy printing opacity.
Second embodiment
Fig. 2 is the schematic diagram for illustrating telescopic switching device and the semi-automatic detection platform of liquid crystal on silicon according to one embodiment of the invention.
As shown in fig.2, in one embodiment, liquid crystal on silicon test platform, comprise at least：Bearing base 955；Telescopic switching device 300,
It is configured on bearing base 955, telescopic switching device includes at least one first ring body 310, has the one the of one first radius 312
One hole 313 runs through；And at least one second ring body 320, one second hole 323 with one second radius 322 run through, and couple
At least the first ring body 310, wherein at least the first ring body 310 have at least a portion overlapping with least the second ring body 320, with increase
Or reduce the length of the telescopic switching device；Camera lens 954, connection telescopic switching device 300；And polarization splitting prism 953, it is configured at
Detect on optical path.
From the above, in one embodiment, the telescopic switching device 300 of liquid crystal on silicon test platform, two or more can be included
Ring body, and each ring body all has hole and overlapped telescopic switching device 300 can be caused to have longer stroke.One
In embodiment, telescopic switching device 300 has the 3rd ring body 330, and the hole radius of this 3rd ring body 330 is more than or equal to the second ring
Second radius 322 of body 320 so that the 3rd ring body 330 can be covered in the second ring body 320, and be moved in the second ring body 320.
From the above, in one embodiment, it is noted that ring body of the invention is not only limited in two or three,
Without prejudice to the ring body that under scope of the invention, can more comprise more than more than three.Only the radius of each ring body hole is all more than
Or the radius equal to next ring body coupled with it, for example, the hole radius of the 3rd ring body 330 is more than or equal to the second ring
The radius of body 320；The hole radius of second ring body 320 is more than or equal to the radius of the first ring body 310, therefore each ring body can all be covered
Cover in the ring body of next small radii coupled with it, and can thereon move or slide, and make to stretch and specially connect the whole of device 300
Body length elongates or shortens.
From the above, in one embodiment, it is noted that it is related to the radius of ring body and the radius of hole, it is in this
Numerical value is only for example rather than is any limitation as, and under without departing substantially from scope, user is contemplated that actual state or considers that light leads to
Environment is detected corresponding to amount to make the specification of ring body radius and hole radius, two ring bodies only mutually coupled, latter ring need to be met
The radius in body opening hole is more than or equal to the radius of previous ring body, latter ring body is covered in previous ring body, as ring
Body radius or hole radius physical length are then unrelated with this.
As shown in fig.2, in one embodiment, the test environment of test platform has the optical path of a test.In light
In ways for education footpath, it may include there is retardation plate 952, polarization splitting prism 953, camera lens 954 from the component of liquid crystal on silicon product 951s
And telescopic switching device 300, wherein, because the first ring body 310, the second ring body 320 and the 3rd ring body 330 all have hole, therefore light
Camera 956 can finally be reached by telescopic switching device 300.It should be noted that telescopic switching device 300 is to utilize bearing base 955
Fix, while the also fixed camera lens 954 with telescopic switching device.
As shown in fig.2, in one embodiment, telescopic switching device 300 couples with camera lens 954 and bearing base 955.Generally
For, it is to be fixed telescopic switching device 300, camera lens 954 and the three of bearing base 955 using screw, for example, implements one
In example, the first ring body 310 of telescopic switching device 300 is fixed with the phase of camera lens 954 using set screw, will be stretched using set screw
3rd ring body 330 of contracting adapter 300 is fixed on bearing base 955.After the completion of fixation, the inspection of liquid crystal on silicon product 951
Survey environment also to fix for it, test platform can proceed by test.It should be noted that being not limited to use set screw, stretch
Other modes are may also include under being fixed on without prejudice to scope of the invention of adapter 300 and camera lens 954 and bearing base 955,
For example, camera lens is made to be embedded in the first ring body 310, or the mode that use presses up and down fixes telescopic switching device 300 and carrying base
Seat 955.
3rd embodiment
Fig. 3 is the section for illustrating the telescopic switching device for liquid crystal on silicon semi-automatic test platform according to one embodiment of the invention
Schematic diagram.With reference to shown in figure 3, in one embodiment, a first surface 414 of the first ring body is the surface coupled with camera lens 954,
And first surface can extend internally, the opening of the first hole is set to diminish, beneficial to being put into for camera lens 954.In one embodiment, camera lens
954 can entirely be embedded on first surface without causing light that is incident or projecting camera lens 954 to be kept off by telescopic switching device 400
Firmly, and recycling set screw fixes to camera lens 954 and telescopic switching device 400.
As shown in fig.4, in one embodiment, a first surface 414 of the first ring body is the table coupled with camera lens 954
Face, a second surface 415 of the first ring body are the surface with the coupling of the second ring body 420；One first surface 424 of the second ring body is
With the surface of the first ring body 410 coupling, the second surface 425 of the second ring body is the surface with the coupling of the 3rd ring body 430；Similarly and
Speech, a first surface 434 of the 3rd ring body are the surface with the coupling of the second ring body 420, and the second surface 435 of the 3rd ring body is then
With the surface of the 4th ring body 410 coupling.
From the above, in one embodiment, the surface that each two ring body is coupled against each other is with extending inwardly or outwardly
Surface so that the joint sealing of telescopic switching device 400, and cause the joint not light leak of telescopic switching device.For example,
One second surface 415 of one ring body stretches out, and the first surface 424 of the second ring body extends internally, and two surfaces are staggeredly covered mutually
Close, the first ring body 410 of reinforcement is closely sealed with the seam crossing of the second ring body 420, makes it easier to fixed not light leak；The one of second ring body
Second surface 425 stretches out, and the first surface 434 of the 3rd ring body then extends internally, and two surfaces staggeredly cover mutually, strengthens the
Two ring bodies 410 are closely sealed with the seam crossing of the 3rd ring body 430, make it easier to fixed not light leak.For similarly, the 3rd ring body and the
Also designed at the coupling of four ring bodies for identical.
Fourth embodiment
Fig. 4 is to illustrate that the collapsing length of the telescopic switching device of liquid crystal on silicon test platform is illustrated according to one embodiment of the invention
Figure.In one embodiment, the telescopic switching device of liquid crystal on silicon test platform, more than two ring bodies, and each ring body can be included
All there is hole and overlapped telescopic switching device can be caused there are enough strokes.In one embodiment, telescopic switching device
501 have three ring bodies, and are overlapped mutually between ring body, and one end of telescopic switching device couples camera lens 954, other end coupling
Camera 956 is connect, in addition, telescopic switching device 501 is to cause telescopic switching device 501 to have most long length when three ring bodies are mutually mobile
Degree.Conversely, telescopic switching device 502 is telescopic switching device 502 is had most short length when three ring bodies overlap each other.
As shown in fig.4, in one embodiment, it is noted that the length of three ring bodies is not necessarily identical, should regard test
Environment user is determined that for example, if the 3rd ring body has most long length, the shortest length of telescopic switching device 502 can
For the length of the 3rd ring body；It can similarly say, if three ring body equal lengths, when three ring bodies are completely overlapped, telescopic switching
Device 502 has shortest length.Sum it up, user can produce corresponding telescopic switching device 501 according to test environment, herein
Ring body quantity, the length of each ring body and the length of ring body covering be citing without limiting for it, without prejudice to the present invention
Under the scope of, the overlay length of ring body quantity, the length of each ring body and each ring body is all adjustable, should regard user's actual demand
Consideration and set.
As shown in fig.4, in one embodiment, the telescopic extensions 560 of telescopic switching device 501,502 are then telescopic switching device
501 length subtracts the length of telescopic switching device 502.In other words, telescopic extensions 560 are that the distance of camera lens 954 to camera 956 becomes
Change amount.Telescopic extensions 560 are the judgement whether telescopic switching device 501 is applied to multiple different products, for example, if multiple silicon
Base fluid crystalline substance 951 need to transfer camera lens 954 and move 48-52mm, preferably 50mm to the direction of camera 956, then telescopic extensions 560 need to be between
0-50mm can be applicable this telescopic switching device in the range of.
Shown on holding, in one embodiment, the telescopic extensions of telescopic switching device 501 are 0 to 72mm, preferably 0-70mm,
This means, the distance of camera lens 954 to camera 956 can move 70-72mm, preferably 70mm by telescopic switching device 501.It should be noted that
That the telescopic extensions 506 of telescopic switching device 501 herein are only for example rather than are any limitation as, without prejudice to scope it
Under, can also be other values, such as 0-71mm or 0-50mm, it should regard set by user's actual demand.And the specification set is same
Also it can adjust, for example, if telescopic extensions 560 are 0-71mm, most long elongation 71mm can be averagely distributed to four ring bodies
Elongation, or the specification of different elongations is set to each ring body, as long as total elongation is up to 71mm.
Refering to shown in Fig. 2 and Fig. 4, in one embodiment, user, which can first estimate all liquid crystal on silicon products, to be made
The distance that camera lens 954 moves, plan that required elongation range, then row make the telescopic switching device of this corresponding telescopic extensions 560
300, or directly select the telescopic switching device 300 for the tolerable elongation made.When camera lens 954 has attached to telescopic switching
The ring body 310 of the front end of device 300, and after the tail end ring body 320 of telescopic switching device is fixed on bearing base 955, then complete flexible
It the setting of adapter 300, liquid crystal on silicon semi-automatic test platform can be used to start to test liquid crystal on silicon product 951, and need to become
More silica-based products 951 are tested, and user is not necessary to pull down camera lens 954, telescopic switching device 300 and bearing base 955, but are adjusted
The set screw of domain body, changes the overlay length between ring body, further adjusts the appropriate length of telescopic switching device, you can carry out
The test of next different liquid crystal on silicon products 951.
In summary, the present invention provides a kind of telescopic switching device for liquid crystal on silicon semi-automatic test platform, improves existing
The adapter for having test platform to use needs the overspending time to change adapter and need to manufacture the switching of many different sizes
The missing of device, this means, the telescopic switching device for liquid crystal on silicon semi-automatic test platform of the invention, is changing test product
During be not required to adapter taking down replacing, or even spend more time and the adapter of cost manufacture different size, but make
It is coupled against each other with the ring body of different radii size, the length mutually covered with shift(ing) ring body phase completes elongating or shortening for length,
After fixed lens, the regulation of lens location is completed by collapsing length, can be not required to change the shape of single specification adapter
Saved under condition the time with into the requirement for reaching test environment originally.
Above-mentioned purpose is to explain, various specific details are to provide for the thorough understanding for the present invention.Known sheet
The usual skill of invention field should can implement the present invention, without some of which specific detail.In other embodiments, it is existing
Structure and device be not depicted in block diagram.Intermediate structure may be included between schema components.Described component may
Comprising extra input and output, it is not depicted in accompanying drawing in detail.
The present invention includes various processing routines, and the processing routine is able to Hard disc module and performed, or is embedded in calculating
In the readable instruction fetch of machine, it can form general or specific purposes and processor or logic circuit with programming instruction, to perform
Program, in addition, described program are also obtained and performed by the combination of hardware and software.
Method is described with citation form, under without departing from scope, either method or message are derived from and increased in program
Add or delete, the usual skill of known item technical field further should can improve or correct the present invention, and particular implementation is only
To illustrate, the unrestricted present invention.
If having a component " A " coupling (or coupling) in text to component " B ", component A may directly couple (or coupling) extremely
B, (or coupling) also or through component C is coupled indirectly to B.If specification states clearly a component, feature, structure, program or spy
Property A can cause a component, feature, structure, program or characteristic B, it represents that A is at least B a part of reason, also or indicates
Other assemblies, feature, structure, program or characteristic assist to cause B." possibility " one word being previously mentioned in the description, its component, spy
Sign, program or characteristic are not only restricted in specification；Quantity noted in the disclosure is not only restricted to the words such as "a" or "an".
No matter the present invention is showing its totally different feature in prior art, be one big prominent with regard to purpose, means and effect
It is broken.Only it should be noted that above-described embodiment is only the principle and its effect of the illustrative present invention, not for the limitation present invention's
Scope.Although having illustrated herein with explaining specific embodiment and disclosed application, the embodiment is not intended to be limited to
Accurate to explain, any ripe personage in this skill can be under the technical principle and spirit without prejudice to the present invention, to embodiment
Make an amendment and change.It should also be recognized that without departing substantially from disclosed herein spirit and scope under, disclosed herein in this
Component and its various amendments, change, the operator for this field are the extension, operation, institute that are obviously arranged
The details of method is stated, and apparatus and method disclosed herein will not be confined, and preceding claims scope should be contained in
It is interior.
Claims (11)
1. a kind of liquid crystal on silicon test platform, it is characterised in that it is comprised at least：
Bearing base；
Telescopic switching device, is configured at the top of the bearing base, and the telescopic switching device comprises at least：At least one first ring
Body, one first hole with one first radius run through；And at least one second ring body, one second hole with one second radius
Hole is run through, at least the first ring body described in coupling, wherein at least first ring body has at least one with least second ring body
Partly overlap, to increase or decrease the length of the telescopic switching device；
Camera lens, connect the telescopic switching device；And
Polarization splitting prism, it is configured on detection optical path.
2. liquid crystal on silicon test platform as claimed in claim 1, it is characterised in that wherein described second radius is more than or waits institute
State the radius of at least one first ring body so that at least one second ring body is covered in described at least in one first ring body.
3. liquid crystal on silicon test platform as claimed in claim 2, it is characterised in that wherein described at least to have in one second ring body
Screw thread is stopped payment, at least one first ring body described in fixation and at least one second ring body.
4. liquid crystal on silicon test platform as claimed in claim 2, it is characterised in that the one of wherein described at least one first ring body
First surface extends internally, to an embedded camera lens.
5. liquid crystal on silicon test platform as claimed in claim 1, it is characterised in that wherein described at least one first ring body and institute
The material for stating at least one second ring body is aluminium.
6. liquid crystal on silicon test platform as claimed in claim 1, it is characterised in that wherein described telescopic switching device telescopic extensions
For 0 to 75mm.
7. liquid crystal on silicon test platform as claimed in claim 3, it is characterised in that it also includes at least one the 3rd ring body, coupling
At least one second ring body is connect, wherein at least the 3rd ring body has at least a portion weight with least second ring body
It is folded, to increase or decrease the length of the telescopic switching device.
8. liquid crystal on silicon test platform as claimed in claim 4, it is characterised in that the one of wherein described at least one first ring body
Second surface stretches out, a first surface of at least one second ring body extends internally and at least one second ring body
A second surface stretch out, and the wherein described at least second surface of one first ring body and at least one second ring
During the first surface covering of body the telescopic switching device internal light is not leaked outside.
9. a kind of liquid crystal on silicon test platform, it is characterised in that it is comprised at least：
Bearing base；
Telescopic switching device, is configured at the top of the bearing base, and the telescopic switching device comprises at least：At least one first ring
Body, one first hole with one first radius run through；And at least one second ring body, one second hole with one second radius
Hole is run through, at least the first ring body described in coupling, wherein at least first ring body has at least one with least second ring body
Partly overlap, to increase or decrease the length of the telescopic switching device；
Camera lens, connect the telescopic switching device；
Polarization splitting prism, it is configured on detection optical path；And
Retardation plate, it is configured on detection optical path, the adjacent polarization splitting prism.
10. liquid crystal on silicon test platform as claimed in claim 9, it is characterised in that it also includes at least one the 3rd ring body, coupling
At least one second ring body is connect, wherein at least the 3rd ring body has at least a portion weight with least second ring body
It is folded, to increase or decrease the length of the telescopic switching device.
11. liquid crystal on silicon test platform as claimed in claim 10, it is characterised in that wherein described at least one first ring body
One second surface stretches out, a first surface of at least one second ring body extends internally and at least one second ring
One second surface of body stretches out, and the wherein described at least second surface of one first ring body and described at least one second
During the first surface covering of ring body the telescopic switching device internal light is not leaked outside.
Priority Applications (1)
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| CN201610640840.3A CN107688248A (en) | 2016-08-05 | 2016-08-05 | liquid crystal on silicon test platform |
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| CN201610640840.3A CN107688248A (en) | 2016-08-05 | 2016-08-05 | liquid crystal on silicon test platform |
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