CN107462177A - A kind of thickness of liquid crystal box measurement apparatus and measuring method - Google Patents
A kind of thickness of liquid crystal box measurement apparatus and measuring method Download PDFInfo
- Publication number
- CN107462177A CN107462177A CN201710872980.8A CN201710872980A CN107462177A CN 107462177 A CN107462177 A CN 107462177A CN 201710872980 A CN201710872980 A CN 201710872980A CN 107462177 A CN107462177 A CN 107462177A
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- China
- Prior art keywords
- liquid crystal
- mobile station
- sliding block
- thickness
- crystal cell
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
Abstract
The present invention provides a kind of thickness of liquid crystal box measurement apparatus and measuring method, and thickness of liquid crystal box measurement apparatus includes the photoelectric detector of the optical signal of the first mobile station, the second mobile station being oppositely arranged with the first mobile station, optical transmitting set and reception optical transmitting set；Interval region is formed between the side of first mobile station and the side of the second mobile station, the side is equipped with chute；Chute is located in interval region built with multiple sliding blocks, sliding block, and sliding block includes the first mobile station of protrusion and the supporting body of the side of the second mobile station, and supporting body is located at carrying liquid crystal cell in interval region；Optical transmitting set and photoelectric detector are oppositely arranged up and down on the direction perpendicular to horizontal plane and optical signal path is located in interval region.Thickness of liquid crystal box measurement apparatus is to solve the position that can carry and support liquid crystal cell come flexible modulation sliding block according to the size and measurement position of liquid crystal cell in measurement process, so as to accurately measure the thickness of each position of liquid crystal cell.
Description
Technical field
The present invention relates to liquid crystal display manufacturing technology field, more particularly to a kind of thickness of liquid crystal box measurement apparatus and survey
Amount method.
Background technology
As the fast development of lcd technology and liquid crystal display device have small volume, effective area big and power consumption
Low advantage, user increasingly increase to the demand of liquid crystal display.Liquid crystal display device is mutual by array base palte and color membrane substrates
To box, and filling liquid crystal material is formed between array base palte and color membrane substrates.Wherein, between array base palte and color membrane substrates
Distance it is thick for liquid crystal cell.Liquid crystal cell thickness has material impact to liquid crystal display effect, it is therefore desirable to accurately measures liquid crystal cell
Thick size.
At present, it is liquid crystal cell thickness measuring machine to measure the thick equipment of liquid crystal cell.Liquid crystal cell thickness measuring machine is that basis passes through carrying
The thick measurement of liquid crystal cell is carried out in the refraction light of the liquid crystal cell of plummer.However, at liquid crystal cell of the measurement positioned at plummer
During liquid crystal cell thickness, liquid crystal cell is blocked by plummer, can not measure liquid crystal cell thickness.
The content of the invention
It is thick in liquid crystal cell for solving it is an object of the invention to provide a kind of liquid crystal cell thickness measuring device and measuring method
It can carry and support the position of liquid crystal cell in measurement process come flexible modulation sliding block according to the size and measurement position of liquid crystal cell,
It is thick so as to accurately measure the liquid crystal cell of each position of liquid crystal cell.
The thickness of liquid crystal box measurement apparatus of the present invention, for measuring the thickness of liquid crystal cell, including the first mobile station, with
The second mobile station that first mobile station is oppositely arranged, optical transmitting set and for receiving the optical transmitting set transmitting optical signal
Photoelectric detector；Interval region is formed between the side of first mobile station and the side of second mobile station, and
The side of first mobile station and the side of second mobile station are equipped with chute；The chute of first mobile station
Built with multiple first sliding blocks, the chute of second mobile station built with multiple second sliding blocks, first sliding block and
Second sliding block is located in the interval region；First sliding block and the second sliding block include protruding first mobile station and institute
The supporting body of the side of the second mobile station is stated, the supporting body is located at the carrying liquid crystal cell, the light in the interval region
Transmitter and photoelectric detector are oppositely arranged up and down on the direction perpendicular to horizontal plane and optical signal path is between described
In septal area domain.
Wherein, first sliding block and the second sliding block include sliding loaded on the slide mass in chute, the connection slip
Body and supporting body support body；It is described to support that body is convexly equipped in a surface of slide mass, supporting body is convexly equipped in and supports body surface face.
Wherein, each supporting body includes the first face, and the first face of the supporting body of first sliding block forms first and held
Section, the first face of the supporting body of second sliding block form the second loading end, first loading end and the second loading end structure
Into loading end, first loading end and the second loading end are in same level and in the interval regions.
Wherein, each body that supports includes the second face, and the second face for supporting body of first sliding block forms first and supported
Face is held, the second face for supporting body of second sliding block forms the second supporting surface, first supporting surface and the second supporting surface phase
To setting and towards in the interval region.
Wherein, the both sides of the chute are provided with the opening through mobile station, and the sliding block can skid off the opening.
Wherein, the chute of first mobile station and the second mobile station includes first side and put down with the first side
The relative second side of row；The end face of body is supported described in the first side abutting；The second side supports body described in abutting
Bottom surface.
Wherein, the optical transmitting set is wavelength 450-650nm generating laser.
Wherein, the photoelectric detector includes receiving unit and processing unit；The receiving unit is used to receive the light
The optical signal of transmitter transmitting, the processing unit are to convert optical signal into electric signal.
Wherein, the thickness of liquid crystal box measurement apparatus also includes the oscillograph for handling the electric signal.
The present invention also provides a kind of thickness of liquid crystal box measuring method, and it includes：
Liquid crystal cell is taken to be placed in the loading end of multiple sliding blocks, by adjusting the position of the sliding block to adjust the liquid crystal cell institute
Want measurement position；
The relative position of the mobile station is adjusted, the first supporting surface and the second supporting surface is clamped the liquid crystal cell；
Start optical transmitting set and photoelectric detector, the optical transmitting set launches optical signal, and the photoelectric detector receives institute
State optical signal and be converted into electric signal, and handle the electric signal, calculate the thickness of the liquid crystal cell.
Beneficial effects of the present invention are as follows：Slided by being set in the side of the side of the first mobile station and the second mobile station
Groove, and in the chute built with multiple the first sliding blocks and the second sliding block for being used to carrying and supporting liquid crystal cell, the first sliding block
Platform slip can be relatively moved in chute with the second sliding block, so as to which solve can be according to liquid in thickness of liquid crystal box measurement process
The size flexible modulation sliding block of brilliant box carries and supports the position of liquid crystal cell, and then accurately measure each position of liquid crystal cell
The thickness of liquid crystal cell.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the thickness of liquid crystal box measurement apparatus structural representation of the embodiment of the present invention.
Fig. 2 is Fig. 1 the first mobile station and the structural representation of the second mobile station
Fig. 3 is the structural representation of Fig. 1 the first sliding block.
Fig. 4 is the structural representation of Fig. 1 multiple first sliding blocks
Fig. 5 is Fig. 1 thickness of liquid crystal box measuring method schematic flow sheet.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, embodiment of the present invention provides a kind of thickness of liquid crystal box measurement apparatus, for measuring the thickness of liquid crystal cell
Size is spent, it includes：First mobile station 30, the second mobile station 40 being oppositely arranged with first mobile station 30, optical transmitting set
50 and launch the photoelectric detector 60 of optical signal for receiving the optical transmitting set 50.First mobile station 30 relative second
Mobile station 40 is in three-dimensional direction moving.Second mobile station 40 also can be with respect to the first mobile station 30 in three-dimensional direction moving.Institute
State and interval region 70 is formed between the side 42 of the mobile station 40 of side 32 and second of the first mobile station 30, and the first mobile station
The side 42 of 30 mobile station 40 of side 32 and second is equipped with chute；First chute 31 of first mobile station 30 built with
Multiple first sliding blocks 10, the second chute 42 of second mobile station 40 is built with multiple second sliding blocks 20, first sliding block
10 and second sliding block 20 be located in the interval region 70.First sliding block 10 and the second sliding block 20 include the first mobile station of protrusion
30 with the supporting body 11 of the side of second mobile station 40, described in the supporting body 11 be located in the interval region 70 and carried
Liquid crystal cell.The optical transmitting set 50 and photoelectric detector 60 are oppositely arranged up and down on the direction perpendicular to horizontal plane and light is believed
Number path is located in the interval region 70.The first sliding block 10 is adjusted by sliding the sliding block 20 of the first sliding block 10 and second
On the sliding block 20 of supporting body 11 and second on supporting body 11 carry the position of liquid crystal cell so that the supporting body 11 carries institute
Avoid needing the position for measuring thickness of liquid crystal box in the position for stating liquid crystal cell.Recycle the optical transmitting set 50 and light being oppositely arranged up and down
Photodetector 60 measures the thickness of liquid crystal cell.Obviously, measurement apparatus can pass through spirit described in thickness of liquid crystal box measurement process
The position of first sliding block 10 of regulation living and the carrying of the second sliding block 20 with supporting liquid crystal cell, to accurately measure each position of liquid crystal cell
The thickness of liquid crystal box put.
Specifically, as shown in Fig. 2 the first mobile station 30 is stainless steel material in the present embodiment, the first mobile station 30 is length
Cube structure.First mobile station 30 is 100 microns in the mobile accuracy of three-dimensional, can accurately regulate and control the first movement
The translation of platform 30..Translational speed is in 0~500 μm/s.In other embodiments, the first mobile station 30 can also be aluminium alloy
Deng, and shape, precision and translational speed can be in other scopes.One first is provided with a side 32 of the first mobile station 30
Chute 31, the bearing of trend of the first chute 31 of the first mobile station 30 along side 32 is set and the both ends of the first chute 31 are set
There is an opening through the first mobile station 30, the section of first chute 31 is convex shape, including groove bottom 313 and link slot bottom
The first side 311 and second side 312 that two of face 313 are oppositely arranged.First sliding block 10 can be slided with respect to the first mobile station 30
Go out the opening.Therefore, when the first sliding block 10 occur it is damaged or can be by the first chute 31 by the first sliding block when relaxing
10 skid off opening, replace the first new sliding block 10.
Second mobile station 40 is also stainless steel material, and the second mobile station 40 is rectangular parallelepiped structure.Second mobile station 40
It is 100 microns in the mobile accuracy of three-dimensional, can accurately regulates and controls the translation of the second mobile station 40.Translational speed exists
0~500 μm/s.In other embodiments, the second mobile station 40 can also be aluminium alloy etc., and shape, precision and movement are fast
Degree can be in other scopes.Second mobile station 40 side 42 relative with the first mobile station 30 also is provided with second chute
41, the bearing of trend of the second chute 41 of the second mobile station 40 along side 42 is set and the both ends of the second chute 41 are provided with and passed through
Wear the opening of the second mobile station 40, the section of second chute 41 is convex shape, including groove bottom 413 and connection groove bottom
The first side 411 and second side 412 that two of 413 are oppositely arranged.Second sliding block 20 can skid off with respect to the second mobile station 40
The opening.Therefore, when the second sliding block 20 occur it is damaged or can be by the second chute 41 by the second sliding block 20 when relaxing
Opening is skidded off, replaces the second new sliding block 20.
As shown in figure 3, first sliding block 10 includes sliding loaded on the slide mass 13 in the first chute 31, the connection cunning
Kinetoplast 13 supports body 12 with supporting body 11.It is described to support that body 12 is convexly equipped in a surface of slide mass 13, supporting body 11 is convexly equipped in
Support the surface of body 12.The slide mass 13 of the present embodiment is block, and the groove bottom 313 of the first chute 31 houses the slide mass 13.
Slide mass 13 slides relatively along the first chute 31.In other embodiments, slide mass 13 can also be cylinder, spheroid etc.,
Cylinder or spheroid help to reduce the friction between the first sliding block 10 and the first chute 31, specifically can be according to actual conditions
Depending on.Each supporting body 12 includes the second face 121, end face 122 and bottom surface 123.Support body 12 the of first sliding block 10
Two faces 121 form the first supporting surface 124, and first supporting surface 124 is towards in the interval region 70.Support the end face of body 12
122 abut the first side 311 of the first chute 31；The bottom surface 123 for supporting body 12 abuts the second side of the first chute 31
312.So, the end face 122 and bottom surface for supporting body 12 are secured the above with second side 312 by the first side 311 of chute
123, further prevent the first sliding block 10 from being rocked in measurement process.
As shown in figure 4, second sliding block 20 is as the structure of the first sliding block 10.Second sliding block 20 includes sliding
Loaded on the slide mass 13 in the second chute, the connection slide mass 13 body 12 is supported with supporting body 11.It is described that to support body 12 convex
It is convexly equipped in located at a surface of slide mass 13, supporting body 11 and supports the surface of body 12.The slide mass 13 of the present embodiment is block, second
The groove bottom 413 of chute 41 houses the slide mass 13.Slide mass 13 slides relatively along the second chute 41.In other embodiment
In, slide mass 13 can also be cylinder, spheroid etc., and cylinder or spheroid help to reduce the second sliding block 20 and the second chute
Friction between 41, specifically can be depending on actual conditions.Each supporting body 12 includes the second face 121, end face 122 and bottom surface
123.The second face for supporting body 12 of second sliding block 10 forms the second supporting surface (not shown), first supporting surface 124
Towards in the interval region.The end face 122 for supporting body 12 abuts the first side 411 of the second chute 41；It is described to support body 12
Bottom surface 123 abut the second chute 41 second side 412.So, the side of first side 411 and second of the second chute 41 is passed through
Face 412 secures the above the end face 122 and bottom surface 123 for supporting body 12, further prevents the first sliding block 10 from going out in measurement process
Now rock.
The side of the liquid crystal cell mutually supports with the first supporting surface 124 and the second supporting surface so that first sliding block
10 and second the body 12 that supports of sliding block 20 tightly hold residence and state liquid crystal cell, avoid liquid crystal cell from being slided in measurement process
It is dynamic, so as to influence the accuracy of measurement.Each supporting body 11 includes the first face 111, the supporting body of first sliding block 10
11 the first face 111 forms the first loading end 112, and the first face 111 of the supporting body 11 of second sliding block 20 forms second and held
Section (not shown), the loading end of the first loading end 112 and second form loading end, first loading end 112 and second
Loading end is in same level and in the interval region 70.The loading end is used to carry liquid crystal cell, prevents from surveying
Liquid crystal cell comes off during amount, occurs broken.
In the present embodiment, the optical transmitting set 50 is the generating laser that wave-length coverage is 450-650nm.In other implementations
In example, the optical transmitting set 50 of other wave-length coverages can also be used, such as wavelength is in 400nm~800nm xenon lamp.The photoelectricity
Detector 60 includes receiving unit and processing unit.Receiving unit is used to receive the optical signal that the optical transmitting set 50 is launched, place
Reason unit is that the optical signal is converted into electric signal.The measurement apparatus of the thickness of liquid crystal box also includes oscillograph.Oscillograph
Handled for showing electric signal, and to the electric signal.In other embodiments, other Electric signal processings can be used to fill
Put, can be depending on actual conditions.Specifically, during measurement liquid crystal cell, liquid crystal cell is placed in multiple first sliding blocks 10
With the loading end of the second sliding block 20, mobile station is adjusted, fixes liquid crystal cell.Start generating laser, generating laser sends sharp
Optical signal.After laser signal incides liquid crystal cell, multi beam reflected in parallel light and parallel projection are formed by multiple reflections and refraction
Light, according to principle of interference, the optical path difference of measuring beam.The receiving unit of photoelectric detector 60 receives the laser signal, and leads to
Cross processing unit and laser signal is converted into electric signal.Using the information of the oscilloscope display electric signal, and then calculate liquid
The thickness of liquid crystal box of brilliant box.
Referring to Fig. 5, the present invention also provides a kind of measuring method of thickness of liquid crystal box, it includes：
Step S10, liquid crystal cell is taken to be placed in the loading end of multiple sliding blocks, it is described to adjust by adjusting the position of the sliding block
Liquid crystal cell wants measurement position；According to the size of liquid crystal cell, the quantity of the sliding block 20 of the first sliding block 10 and second is determined,
The size of liquid crystal cell is bigger, and the quantity using the first sliding block 10 and the second sliding block 20 is more.In the present embodiment, the He of the first sliding block 10
The quantity of second sliding block 20 is respectively two.Liquid crystal cell is placed in the loading end of the first sliding block 10 and the second sliding block 20, it is determined that surveying
Measure the position of thickness of liquid crystal box.The first sliding block 10 and the second sliding block 20 are slided, the position of regulation carrying liquid crystal cell, avoids liquid crystal cell
The position to be measured.
Step S20, the relative position of the mobile station is adjusted, the first supporting surface and the second supporting surface is clamped the liquid crystal
Box；Start mobile station, 20 relative second mobile station 30 of the first mobile station is moved so that the first of first mobile station 30 supports
Second supporting surface of the mobile station 40 of face 124 and second and the side of liquid crystal cell are mutually supported, and liquid crystal cell is fixed so as to realize, are prevented
Only liquid crystal cell shakes.
Step S30, starts optical transmitting set 50 and photoelectric detector 60, and the optical transmitting set 50 launches optical signal, the light
Photodetector 60 receives the optical signal and is converted into electric signal, and handles the electrical signal information and calculate the liquid crystal cell
Thickness.In the present embodiment, optical transmitting set 50 is using the generating laser that wave-length coverage is 450-650nm.In other implementations
In example, the optical transmitting set 50 of other wave-length coverages can also be used, such as wavelength is in 400nm~800nm xenon lamp.Start laser
Transmitter, generating laser send laser signal.After laser signal incides liquid crystal cell, formed by multiple reflections and refraction more
Beam reflected in parallel light and parallel projection light, according to principle of interference, the optical path difference of measuring beam.The receiving unit of photoelectric detector 60
The laser signal is received, and laser signal is converted into by electric signal by processing unit.Utilize the oscilloscope display telecommunications
Number information, so as to calculate the thickness of the liquid crystal cell of liquid crystal cell.
Beneficial effects of the present invention are as follows：By being set in the side of the side of the first mobile station 10 and the second mobile station 20
Chute, and be used to carrying and supporting the first sliding blocks 10 and the second sliding block 20 of liquid crystal cell built with multiple in the chute, the
One sliding block 10 and the second sliding block 20 can relatively move platform in the first chute 31 and the second chute 41 respectively and slide, so as to solve
The position with supporting liquid crystal cell can be carried according to the size flexible modulation sliding block of liquid crystal cell in liquid crystal cell thickness measurement process, is entered
And the liquid crystal cell for accurately measuring each position of liquid crystal cell is thick.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and will according to right of the present invention
Made equivalent variations are sought, still falls within and invents covered scope.
Claims (10)
1. a kind of thickness of liquid crystal box measurement apparatus, for measuring the thickness of liquid crystal cell, it is characterised in that including the first movement
Platform, the second mobile station being oppositely arranged with first mobile station, optical transmitting set and launch for receiving the optical transmitting set
The photoelectric detector of optical signal；Spacer region is formed between the side of first mobile station and the side of second mobile station
Domain, and the side of first mobile station and the side of second mobile station are equipped with chute；First mobile station
The chute is built with multiple first sliding blocks, and the chute of second mobile station is built with multiple second sliding blocks, and described
One sliding block and the second sliding block are located in the interval region, and first sliding block and the second sliding block include protruding first shifting
Dynamic platform and the supporting body of the side of second mobile station, the supporting body are located at the carrying liquid crystal in the interval region
Box；The optical transmitting set and photoelectric detector are oppositely arranged up and down on the direction perpendicular to horizontal plane and optical signal path position
In in the interval region.
2. thickness of liquid crystal box measurement apparatus as claimed in claim 1, it is characterised in that first sliding block and the second sliding block are equal
Including sliding body is supported loaded on the slide mass in chute, the connection slide mass and supporting body；The body that supports is convexly equipped in cunning
One surface of kinetoplast, supporting body, which is convexly equipped in, supports body surface face.
3. thickness of liquid crystal box measurement apparatus as claimed in claim 2, it is characterised in that each supporting body includes first
Face, the first face of the supporting body of first sliding block form the first loading end, the first face shape of the supporting body of second sliding block
Into the second loading end, first loading end and the second loading end are in same level and in the interval regions.
4. thickness of liquid crystal box measurement apparatus as claimed in claim 2, it is characterised in that each body that supports includes second
Face, the second face for supporting body of first sliding block form the first supporting surface, the dihedron for supporting body of second sliding block
Into the second supporting surface, first supporting surface and the second supporting surface are oppositely arranged and towards in the interval regions.
5. thickness of liquid crystal box measurement apparatus as claimed in claim 1, it is characterised in that the both sides of the chute are provided with through shifting
The opening of dynamic platform, the sliding block can skid off the opening.
6. the thick measurement apparatus of liquid crystal cell as claimed in claim 1, it is characterised in that first mobile station and the second movement
The chute of platform includes first side and relative second side parallel with the first side；Described in the first side abuts
Support the end face of body；The bottom surface of body is supported described in the second side abutting.
7. the thick measurement apparatus of liquid crystal cell as claimed in claim 1, it is characterised in that the optical transmitting set is wavelength 450-
650nm generating laser.
8. thickness of liquid crystal box measurement apparatus as claimed in claim 7, it is characterised in that the photoelectric detector includes receiving list
Member and processing unit；The receiving unit is used for the optical signal for receiving the optical transmitting set transmitting, and the processing unit is by light
Signal is converted into electric signal.
9. thickness of liquid crystal box measurement apparatus as claimed in claim 1, it is characterised in that the thick measurement apparatus of the liquid crystal cell is also
Oscillograph including handling the electric signal.
A kind of 10. thickness of liquid crystal box measuring method, it is characterised in that including：
Take liquid crystal cell to be placed in the loading end of multiple sliding blocks, to be surveyed by adjusting the position of the sliding block with adjusting the liquid crystal cell
Measure position；
The relative position of the mobile station is adjusted, the first supporting surface and the second supporting surface is clamped the liquid crystal cell；
Start optical transmitting set and photoelectric detector, the optical transmitting set launches optical signal, and the photoelectric detector receives the light
Signal and electric signal is converted into, and handles the electric signal and calculate the thickness of the liquid crystal cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872980.8A CN107462177B (en) | 2017-09-25 | 2017-09-25 | A kind of thickness of liquid crystal box measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872980.8A CN107462177B (en) | 2017-09-25 | 2017-09-25 | A kind of thickness of liquid crystal box measuring device and measuring method |
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| CN107462177A true CN107462177A (en) | 2017-12-12 |
| CN107462177B CN107462177B (en) | 2019-11-05 |
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ID=60553028
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| CN201710872980.8A Active CN107462177B (en) | 2017-09-25 | 2017-09-25 | A kind of thickness of liquid crystal box measuring device and measuring method |
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|---|---|---|---|---|
| JP2001159751A (en) * | 1999-09-24 | 2001-06-12 | Susumu Sato | Liquid crystal cell parameter detecting device |
| CN1340690A (en) * | 2000-09-01 | 2002-03-20 | 精工爱普生株式会社 | Inspection method for liquid crystal box thickness, control system for liquid crystal box thickness and manufacture method for liquid crystal device |
| CN101074969A (en) * | 2006-05-19 | 2007-11-21 | 威光机械工程股份有限公司 | Carrier for measuring display device panel |
| KR100781605B1 (en) * | 2006-12-27 | 2007-12-03 | (주)오엘케이 | Clamp for panel fixation provided to equipment for inspecting flat display panel |
| CN102053396A (en) * | 2009-11-06 | 2011-05-11 | 复旦大学 | Method and device for measuring thickness of liquid crystal box |
| CN202854449U (en) * | 2012-11-12 | 2013-04-03 | 京东方科技集团股份有限公司 | Liquid crystal box thickness measuring device |
| CN104865266A (en) * | 2011-02-01 | 2015-08-26 | 郭上鲲 | Apparatus for optical inspection |
-
2017
- 2017-09-25 CN CN201710872980.8A patent/CN107462177B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001159751A (en) * | 1999-09-24 | 2001-06-12 | Susumu Sato | Liquid crystal cell parameter detecting device |
| CN1340690A (en) * | 2000-09-01 | 2002-03-20 | 精工爱普生株式会社 | Inspection method for liquid crystal box thickness, control system for liquid crystal box thickness and manufacture method for liquid crystal device |
| CN101074969A (en) * | 2006-05-19 | 2007-11-21 | 威光机械工程股份有限公司 | Carrier for measuring display device panel |
| KR100781605B1 (en) * | 2006-12-27 | 2007-12-03 | (주)오엘케이 | Clamp for panel fixation provided to equipment for inspecting flat display panel |
| CN102053396A (en) * | 2009-11-06 | 2011-05-11 | 复旦大学 | Method and device for measuring thickness of liquid crystal box |
| CN104865266A (en) * | 2011-02-01 | 2015-08-26 | 郭上鲲 | Apparatus for optical inspection |
| CN202854449U (en) * | 2012-11-12 | 2013-04-03 | 京东方科技集团股份有限公司 | Liquid crystal box thickness measuring device |
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| Publication number | Publication date |
|---|---|
| CN107462177B (en) | 2019-11-05 |
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