CN107462177B - A kind of thickness of liquid crystal box measuring device and measuring method - Google Patents
A kind of thickness of liquid crystal box measuring device and measuring method Download PDFInfo
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- CN107462177B CN107462177B CN201710872980.8A CN201710872980A CN107462177B CN 107462177 B CN107462177 B CN 107462177B CN 201710872980 A CN201710872980 A CN 201710872980A CN 107462177 B CN107462177 B CN 107462177B
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- liquid crystal
- thickness
- sliding block
- crystal cell
- measuring device
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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 measuring device and measuring method, and thickness of liquid crystal box measuring device includes the photoelectric detector of the optical signal of first movement platform, the second mobile station being oppositely arranged with first movement platform, optical transmitting set and reception optical transmitting set；Interval region is formed between the side of first movement platform and the side of the second mobile station, the side is equipped with sliding slot；Sliding slot is provided with multiple sliding blocks, and sliding block is located in interval region, and sliding block includes the supporting body for protruding the side of first movement platform and the second mobile station, and supporting body, which is located in interval region, carries liquid crystal cell；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 measuring device can carry and support the position of liquid crystal cell come flexible modulation sliding block according to the size and measurement position of liquid crystal cell in measurement process to solve, 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, in particular to a kind of thickness of liquid crystal box measuring device and survey
Amount method.
Background technique
As the fast development of LCD technology and liquid crystal display device have small in size, effective area greatly and power consumption
Low advantage, demand of the user to liquid crystal display increasingly increase.Liquid crystal display device is mutual by array substrate and color membrane substrates
To box, and between array substrate and color membrane substrates, filling liquid crystal material is formed.Wherein, between array substrate and color membrane substrates
Distance be that liquid crystal cell is thick.Liquid crystal cell thickness has great influence to liquid crystal display effect, it is therefore desirable to accurately measure liquid crystal cell
Thick size.
Currently, the equipment of measurement liquid crystal cell thickness is liquid crystal cell thickness measuring machine.Liquid crystal cell thickness measuring machine is according to across carrying
Liquid crystal cell thickness measurement is carried out in the refraction light of the liquid crystal cell of plummer.However, at the liquid crystal cell that measurement is located at plummer
When liquid crystal cell thickness, liquid crystal cell is blocked by plummer, is unable to measure out liquid crystal cell thickness.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid crystal cell thickness measuring device and measurement methods, for solving in liquid crystal cell thickness
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,
To which the liquid crystal cell for accurately measuring each position of liquid crystal cell is thick.
Thickness of liquid crystal box measuring device of the invention, for measuring the thickness of liquid crystal cell, including first movement platform, with
The second mobile station that the first movement platform 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 the first movement platform and the side of second mobile station, and
The side of the first movement platform and the side of second mobile station are equipped with sliding slot；The sliding slot of the first movement platform
Be provided with multiple first sliding blocks, the sliding slot of second mobile station is provided 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 the first movement platform 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 be located at it is described between
In septal area domain.
Wherein, first sliding block and the second sliding block include sliding loaded on the slide mass in sliding slot, the connection sliding
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 holds
First face of section, the supporting body of second sliding block forms the second loading end, first loading end and the second loading end structure
At loading end, first loading end and the second loading end are in same level and are located in the interval region.
Wherein, each body that supports includes the second face, and the second face for supporting body of first sliding block forms first and supports
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 two sides of the sliding slot are equipped with the opening through mobile station, and the sliding block can skid off the opening.
Wherein, the first movement platform and the sliding slot of the second mobile station include first side and put down with the first side
The opposite 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 the laser emitter of wavelength 450-650nm.
Wherein, the photoelectric detector includes receiving unit and processing unit；The receiving unit is for receiving the light
The optical signal of transmitter transmitting, the processing unit is for converting optical signal into electric signal.
Wherein, the thickness of liquid crystal box measuring device further includes the oscillograph for handling the electric signal.
The present invention also provides a kind of thickness of liquid crystal box measurement methods comprising:
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 for adjusting the mobile station makes the first supporting surface and the second supporting surface clamp the liquid crystal cell；
Start optical transmitting set and photoelectric detector, the optical transmitting set emits optical signal, and the photoelectric detector receives institute
It states optical signal and is 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: being arranged by the side of side and the second mobile station in first movement platform and slided
Slot, and multiple the first sliding blocks and the second sliding block for being used to carry and support liquid crystal cell, the first sliding block are provided in the sliding slot
Platform sliding can be relatively moved in sliding slot with the second sliding block, so that solving 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.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the thickness of liquid crystal box measuring device structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the first movement platform of Fig. 1 and the structural schematic diagram of the second mobile station
Fig. 3 is the structural schematic diagram of the first sliding block of Fig. 1.
Fig. 4 is the structural schematic diagram of multiple first sliding blocks of Fig. 1
Fig. 5 is the thickness of liquid crystal box measurement method flow diagram of Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, embodiment of the present invention provides a kind of thickness of liquid crystal box measuring device, for measuring the thickness of liquid crystal cell
Spend size comprising: first movement platform 30, the second mobile station 40 being oppositely arranged with the first movement platform 30, optical transmitting set
50 and emit the photoelectric detector 60 of optical signal for receiving the optical transmitting set 50.The first movement platform 30 opposite second
Mobile station 40 is in three-dimensional direction moving.Second mobile station 40 can also be with respect to first movement platform 30 in three-dimensional direction moving.Institute
State formation interval region 70 between the side 32 of first movement platform 30 and the side 42 of the second mobile station 40, and first movement platform
30 side 32 and the side 42 of the second mobile station 40 are equipped with sliding slot；The first sliding groove 31 of the first movement platform 30 is provided with
Multiple first sliding blocks 10, the second sliding slot 42 of second mobile station 40 are provided 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 protrusion first movement platform
30 are located in the interval region 70 described in carrying with the supporting body 11 of the side of second mobile station 40, the supporting body 11
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 first sliding block 10 and the second sliding block 20
On supporting body 11 and the second sliding block 20 on supporting body 11 carry the position of liquid crystal cell so that the supporting body 11 carry it is described
Avoid needing to measure the position of thickness of liquid crystal box in the position of liquid crystal cell.Recycle the optical transmitting set 50 and photoelectricity being oppositely arranged up and down
The thickness of the measurement liquid crystal cell of detector 60.Obviously, the measuring device described in thickness of liquid crystal box measurement process can be by flexible
The first sliding block 10 and the carrying of the second sliding block 20 and the position for supporting liquid crystal cell are adjusted, to accurately measure each position of liquid crystal cell
Thickness of liquid crystal box.
Specifically, first movement platform 30 is length as shown in Fig. 2, first movement platform 30 is stainless steel material in the present embodiment
Cube structure.First movement platform 30 is 100 microns in the mobile accuracy of three-dimensional, can accurately regulate and control first movement
The translation of platform 30.Movement speed is in 0~500 μm/s.In other embodiments, first movement platform 30 or aluminum alloy materials
Deng, and shape, precision and movement speed can be in other ranges.One first is equipped in a side 32 of first movement platform 30
The first sliding groove 31 of sliding slot 31, first movement platform 30 is set along the extending direction setting of side 32 and the both ends of first sliding groove 31
There is the opening through first movement platform 30, the section of the first sliding groove 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 sliding with respect to first movement platform 30
The opening out.Therefore, when the first sliding block 10 occur it is damaged or can be by first sliding groove 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.Movement speed exists
0~500 μm/s.In other embodiments, the second mobile station 40 or aluminium alloy etc., and shape, precision and movement speed
It can be in other ranges.Second mobile station 40 side 42 opposite with first movement platform 30 also is provided with a second sliding slot
41, the second sliding slot 41 of the second mobile station 40 is equipped with and passes through along the extending direction setting of side 42 and the both ends of second sliding slot 41
The opening of the second mobile station 40 is worn, the section of the second sliding slot 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 be skidded 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 second sliding slot 41 by the second sliding block 20 when relaxing
Opening is skidded off, the second new sliding block 20 is replaced.
As shown in Figures 3 and 4, first sliding block 10 includes sliding loaded on the slide mass 13 in first sliding groove 31, connection
The slide mass 13 supports body 12 with supporting body 11.The body 12 that supports is convexly equipped in a surface of slide mass 13, supporting body 11
It is convexly equipped in and supports 12 surface of body.The slide mass 13 of the present embodiment is block, and the groove bottom 313 of first sliding groove 31 accommodates the sliding
Body 13.Slide mass 13 is slided along first sliding groove 31 is opposite.In other embodiments, slide mass 13 or cylindrical body, ball
Body etc., cylindrical body or sphere help to reduce the friction between the first sliding block 10 and first sliding groove 31, specifically can be according to reality
Depending on the situation of border.Each supporting body 12 includes the second face 121, end face 122 and bottom surface 123.First sliding block 10 supports body
12 the second face 121 forms the first supporting surface 124, and first supporting surface 124 is towards in the interval region 70.Support body 12
End face 122 abut first sliding groove 31 first side 311；The bottom surface 123 for supporting body 12 abuts the of first sliding groove 31
Two side faces 312.In this way, the first side 311 and second side 312 by sliding slot secure the above the end face 122 for supporting body 12
With bottom surface 123, the first sliding block 10 is further prevented to shake in measurement process.
As shown in Figures 3 and 4, second sliding block 20 is as the structure of the first sliding block 10.Second sliding block 20 wraps
It includes sliding and supports body 12 with supporting body 11 loaded on the slide mass 13 in second sliding slot, the connection slide mass 13.It is described to support
Body 12 is convexly equipped in a surface of slide mass 13, supporting body 11 is convexly equipped in and supports 12 surface of body.The slide mass 13 of the present embodiment is block
Body, the groove bottom 413 of second sliding slot 41 accommodate the slide mass 13.Slide mass 13 is slided along second sliding slot 41 is opposite.At it
In his embodiment, slide mass 13 or cylindrical body, sphere etc., cylindrical body or sphere help to reduce the second sliding block 20 with
Friction between second sliding slot 41, specifically can according to the actual situation depending on.Each supporting body 12 includes the second face 121, end face
122 and bottom surface 123.The the second supporting surface (not shown) of the second face formation for supporting body 12 of second sliding block 10, described first
Supporting surface 124 is towards in the interval region.The end face 122 for supporting body 12 abuts the first side 411 of second sliding slot 41；It is described
The bottom surface 123 for supporting body 12 abuts the second side 412 of second sliding slot 41.In this way, passing through the first side 411 of second sliding slot 41
The end face 122 and bottom surface 123 for supporting body 12 are secured the above with second side 412, and the first sliding block 10 is further prevented to measure
It shakes in the process.
The side of the liquid crystal cell is mutually supported 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 sliding in measurement process
It is dynamic, 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 holds
Section (not shown), first loading end 112 and the second loading end constitute loading end, first loading end 112 and second
Loading end is in same level and is located in the interval region 70.The loading end prevents from surveying for carrying liquid crystal cell
Liquid crystal cell falls off during amount, occurs broken.
In the present embodiment, the optical transmitting set 50 is the laser emitter 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 the xenon lamp of 400nm~800nm.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 emits, place
Reason unit is used to convert electric signal for the optical signal.The thickness of liquid crystal box measuring device further includes oscillograph.Oscillograph
It is handled for showing electric signal, and to the electric signal.In other embodiments, it can be filled using other Electric signal processings
Set, can according to the actual situation depending on.Specifically, liquid crystal cell is placed in multiple first sliding blocks 10 during measurement liquid crystal cell
With the loading end of the second sliding block 20, mobile station is adjusted, liquid crystal cell is fixed.Start laser emitter, laser emitter, which issues, to swash
Optical signal.After laser signal is incident on 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
It crosses processing unit and converts electric signal for laser 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 measurement methods of thickness of liquid crystal box comprising:
Step S10 takes liquid crystal cell to be placed in the loading end of multiple sliding blocks, described to adjust by adjusting the position of the sliding block
The wanted measurement position of liquid crystal cell；According to the size of liquid crystal cell, the quantity of first sliding block 10 and the second sliding block 20 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, 10 He of the first sliding block
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, determines and surveys
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 carrying liquid crystal cell is adjusted, avoids liquid crystal cell
Position to be measured.
Step S20 adjusts the relative position of the mobile station, and the first supporting surface and the second supporting surface is made to clamp the liquid crystal
Box；Start mobile station, first movement platform 20 is moved with respect to the second mobile station 30, so that the first of the first movement platform 30 supports
The side of the second supporting surface and liquid crystal cell of face 124 and the second mobile station 40 mutually supports, and fixes liquid crystal cell to realize, prevents
Only liquid crystal cell shakes.
Step S30, starts optical transmitting set 50 and photoelectric detector 60, and the optical transmitting set 50 emits 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 the laser emitter of 450-650nm using wave-length coverage.In other implementations
In example, the optical transmitting set 50 of other wave-length coverages can also be used, such as wavelength is in the xenon lamp of 400nm~800nm.Start laser
Transmitter, laser emitter issue laser signal.After laser signal is incident on 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 converts electric signal for laser signal through the processing unit.Utilize the oscilloscope display telecommunications
Number information, to calculate the thickness of the liquid crystal cell of liquid crystal cell.
Beneficial effects of the present invention are as follows: being arranged by the side of side and the second mobile station 20 in first movement platform 10
Sliding slot, and multiple the first sliding blocks 10 and the second sliding block 20 for being used to carry and support liquid crystal cell are provided in the sliding slot, the
One sliding block 10 and the second sliding block 20 can relatively move platform sliding in first sliding groove 31 and second sliding slot 41 respectively, to solve
The position that can be carried according to the size flexible modulation sliding block of liquid crystal cell in liquid crystal cell thickness measurement process and support liquid crystal cell, into
And the liquid crystal cell for accurately measuring each position of liquid crystal cell is thick.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (10)
1. a kind of thickness of liquid crystal box measuring device, for measuring the thickness of liquid crystal cell, which is characterized in that including first movement
Platform, the second mobile station being oppositely arranged with the first movement platform, optical transmitting set and emit for receiving the optical transmitting set
The photoelectric detector of optical signal；Spacer region is formed between the side of the first movement platform and the side of second mobile station
Domain, and the side of the first movement platform and the side of second mobile station are equipped with sliding slot；The first movement platform
The sliding slot is provided with multiple first sliding blocks, and the sliding slot of second mobile station is provided with multiple second sliding blocks, and described
One sliding block and second sliding block are located in the interval region, and first sliding block and second sliding block include protrusion institute
The supporting body of the side of first movement platform and second mobile station is stated, the supporting body, which is located in the interval region, carries institute
State liquid crystal cell；The optical transmitting set and the photoelectric detector are oppositely arranged up and down on the direction perpendicular to horizontal plane and light
Signal path is located in the interval region.
2. thickness of liquid crystal box measuring device as described in claim 1, which is characterized in that first sliding block and described second is slided
Block includes sliding the slide mass being loaded in the sliding slot, the connection slide mass to support body with the supporting body；It is described to support
Hold the surface that body is convexly equipped in the slide mass, the supporting body, which is convexly equipped in, described supports body surface face.
3. thickness of liquid crystal box measuring device as claimed in claim 2, which is characterized in that each supporting body includes first
First face in face, the supporting body of first sliding block forms the first loading end, the first face shape of the supporting body of second sliding block
At the second loading end, first loading end and second loading end are in same level and are located at the interval region
It is interior.
4. thickness of liquid crystal box measuring device as claimed in claim 2, which is characterized in that each body that supports includes second
Second face for supporting body in face, first sliding block forms the first supporting surface, the dihedron for supporting body of second sliding block
At the second supporting surface, first supporting surface and second supporting surface are oppositely arranged and towards in the interval regions.
5. thickness of liquid crystal box measuring device as described in claim 1, which is characterized in that the two sides of the sliding slot are equipped with through shifting
The opening of dynamic platform, the sliding block can skid off the opening.
6. thickness of liquid crystal box measuring device as claimed in claim 2, which is characterized in that the first movement platform and the second movement
The sliding slot of platform includes first side and opposite 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. thickness of liquid crystal box measuring device as described in claim 1, which is characterized in that the optical transmitting set is wavelength 450-
The laser emitter of 650nm.
8. thickness of liquid crystal box measuring device as claimed in claim 7, which is characterized in that the photoelectric detector includes receiving list
Member and processing unit；The receiving unit is used to receive the optical signal of the optical transmitting set transmitting, and the processing unit is used for will
Optical signal is converted into electric signal.
9. thickness of liquid crystal box measuring device as claimed in claim 8, which is characterized in that the thickness of liquid crystal box measuring device is also
Oscillograph including handling the electric signal.
10. a kind of thickness of liquid crystal box measurement method, the method is the survey of thickness of liquid crystal box measuring device as claimed in claim 4
Amount method characterized by comprising
It takes liquid crystal cell to be placed in the loading end of multiple sliding blocks, and according to the size of the liquid crystal cell, determines the number of the sliding block
Amount, by adjusting the position of the sliding block to adjust the wanted measurement position of the liquid crystal cell；
The relative position for adjusting mobile station makes the first supporting surface and the second supporting surface clamp the liquid crystal cell；
Start optical transmitting set and photoelectric detector, the optical transmitting set emits optical signal, and the photoelectric detector receives the light
Signal and it is converted into electric signal, and handles the electric signal and calculate the thickness of the liquid crystal cell.
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| 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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| 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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| CN107462177B true CN107462177B (en) | 2019-11-05 |
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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 |
|---|---|
| CN107462177A (en) | 2017-12-12 |
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