CN106783660A - The bending test apparatus and bending method of testing of flexible display panels - Google Patents
The bending test apparatus and bending method of testing of flexible display panels Download PDFInfo
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- CN106783660A CN106783660A CN201611219714.7A CN201611219714A CN106783660A CN 106783660 A CN106783660 A CN 106783660A CN 201611219714 A CN201611219714 A CN 201611219714A CN 106783660 A CN106783660 A CN 106783660A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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Abstract
The present invention provides the bending test apparatus and bending method of testing of a kind of flexible display panels, the device is adsorbed and fixing flexible display panel by the way that stomata is vacuumized, clamping plate is controlled to move reciprocatingly so that flexible display panels form different bending diameters by controlled motor, so as to complete flexible display panels bending test, flexible display panels need not be clamped using chuck, avoiding grips causes the material of the flexible display panels surface tension in bending cannot to discharge and then cause the problem of different layers layers of material, the true bending characteristic for reflecting flexible display panels, effectively improve the accuracy of bending test.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of flexible display panels bending test apparatus and bending survey
Method for testing.
Background technology
Flat panel display device has many merits such as thin fuselage, power saving, radiationless, is widely used.It is existing
Flat panel display device mainly includes liquid crystal display device (Liquid Crystal Display, LCD) and Organic Light Emitting Diode
Display device (Organic Light Emitting Display, OLED).
Organic light emitting diodde desplay device due to being provided simultaneously with self-luminous, be not required to backlight, contrast high, thickness of thin,
Visual angle is wide, reaction speed is fast, can be used for flexibility panel, temperature in use scope wide, construction and the excellent specific property such as processing procedure is simpler,
It is considered as the emerging application technology of flat-panel screens of future generation.
Flexible OLED panel is the important research direction of OLED display device, and it uses flexible substrate to substitute traditional glass
Substrate brings subversive concept to realize the flexible of panel to consumer, can lift Consumer's Experience, strengthens product
Competitiveness.But current flexible OLED panel technology is ripe not enough, in terms of crooked process radius, reliability and product production also
There are problems that a lot, the crooked process radius of the development of flexible OLED panel, particularly flexible OLED panel are constrained, as flexibility
The characteristics of OLED products are most prominent, good bending and reliability is always the mesh that major flexible OLED panel manufacturers are pursued
Mark.
In order to test the bending performance of flexible OLED panel, flexible OLED panel manufacturer would generally enter to flexible OLED panel
Row bending test, common method of testing is to clamp the two ends of testing sample respectively by the way of fixture, fixed wherein one
Individual fixture, by pull bar so that another fixture moves back and forth, and then drives sample continuous repeated stretching, bending
State, bending test is carried out to testing sample.
There is following defect in above-mentioned bending method of testing, because testing sample generally includes substrate, the sun on substrate
Pole, the organic luminous layer on anode, the electron transfer layer on organic luminous layer and the moon on electron transfer layer
The sandwich constructions such as pole, for the testing sample of sandwich construction, because clamping causes the material of different Young's in bending process
Middle surface tension cannot discharge, and just occur that the situation of layers of material occurs, and have impact on the accuracy of bending test result, it is impossible to
The bending characteristic of true reflection testing sample.
The content of the invention
It is an object of the invention to provide a kind of bending test apparatus of flexible display panels, Flexible Displays face can be avoided
Plate occurs the problem of different layers layers of material, the accuracy of lifting bending test when test is bent.
A kind of bending method of testing the present invention also aims to provide flexible display panels, can avoid Flexible Displays
Panel occurs the problem of different layers layers of material, the accuracy of lifting bending test when test is bent.
To achieve the above object, the invention provides a kind of bending test apparatus of flexible display panels, including：Base,
The slide rail that is fixed on the base, the first clamping plate being fixed on the slide rail and the first clamping plate are oppositely arranged and can
The control electricity that the pull bar that the second clamping plate slided along the slide rail is connected with the second clamping plate is connected with the pull bar
Conduit that machine is connected with the first clamping plate and second clamping plate and the compressor connected with the conduit；
The first clamping plate includes：The first supporting part for being vertically connected with the base and with first supporting part
The first connected adsorption section；The second clamping plate includes：The second supporting part for being vertically connected with the base and with described
The second connected adsorption section of two supporting parts；One side surface and described second of the first adsorption section correspondence second clamping plate
One side surface of the adsorption section correspondence first clamping plate is equipped with multiple stomatas connected with the conduit.
The pull bar is parallel with the slide rail, pulls pull bar to cause the second clamping plate edge by the controlled motor
The slide rail moves back and forth.
Control what the second clamping plate moved back and forth along the slide rail by setting the operational factor of controlled motor
Stroke.
First adsorption section is rotatably connected with first supporting part, second adsorption section and second supporting part
Rotatable connection；
First adsorption section can be from the position coplanar with first supporting part to the sidespin away from second clamping plate
Go to the position parallel with the base；
Second adsorption section can be from the position coplanar with second supporting part to the sidespin away from first clamping plate
Go to the position parallel with the base.
It is applied to the bending test of flexible OLED display panel.
The present invention provides a kind of bending method of testing of flexible display panels, comprises the following steps：
Step S1, the bending test apparatus that a flexible display panels are provided, including：Base, it is fixed on the base
Slide rail, the first clamping plate being fixed on the slide rail and the first clamping plate be oppositely arranged and can be slided along the slide rail the
Controlled motor that the pull bar that second splint is connected with the second clamping plate is connected with the pull bar and the first clamping plate and
The conduit of second clamping plate connection and the compressor connected with the conduit；
The first clamping plate includes：The first supporting part for being vertically connected with the base and with first supporting part
The first connected adsorption section；The second clamping plate includes：The second supporting part for being vertically connected with the base and with described
The second connected adsorption section of two supporting parts；
One side surface and second adsorption section correspondence of first adsorption section correspondence second clamping plate described the
One side surface of one clamping plate is equipped with multiple stomatas connected with the conduit；
Step S2, provide a flexible display panels, by two end surfaces of flexible display panels respectively with the first clamping plate
Fitted with second clamping plate；
Step S3, unlatching compressor, the compressor vacuumizes the stomata makes the flexible display panels absorption exist
Between first clamping plate and second clamping plate；
Step S4, unlatching controlled motor, the controlled motor drive the second clamping plate along the slide rail by pull bar
Moving back and forth makes flexible display panels form different bending diameters.
When second clamping plate moves back and forth along the slide rail in the step S4, first clamping plate and the second clamping plate it
Between minimum range be equal to the flexible display panels the need for the minimum bending diameter tested.
The second clamping plate is controlled to enter along the slide rail in the step S4 by setting the operational factor of controlled motor
The reciprocating stroke of row.
First adsorption section is rotatably connected with first supporting part, second adsorption section and second supporting part
Rotatable connection；
In the step S2, first first adsorption section is from the position coplanar with first supporting part to away from the second folder
The side of plate is rotated to the position parallel with the base, while by second adsorption section from coplanar with second supporting part
Position rotated to the position parallel with the base to the side away from first clamping plate, then the flexible display panels are put down
It is placed on first adsorption section and the second adsorption section；
In the step S3, first the stomata is vacuumized so that the flexible display panels are by the first adsorption section and second
Adsorption section is adsorbed, and first adsorption section then is rotated back into first supporting part from the position parallel with the base again
Coplanar position, while second adsorption section is rotated back to from the position parallel with the base being total to second supporting part
The position in face so that the flexible display panels absorption is between first clamping plate and second clamping plate.
The flexible display panels are flexible OLED display panel.
Beneficial effects of the present invention：The invention provides a kind of bending test apparatus of flexible display panels, its pass through by
Stomata vacuumizes to adsorb simultaneously fixing flexible display panel, controls clamping plate to move reciprocatingly so that Flexible Displays by controlled motor
Panel forms different bending diameters, so as to complete flexible display panels bending test, it is not necessary to clamp flexibility using chuck
Display panel, it is to avoid grips cause the material of the flexible display panels surface tension in bending cannot to discharge and then cause
The problem of different layers layers of material, truly reflects the bending characteristic of flexible display panels, effectively improves the standard of bending test
True property.The present invention also provides a kind of bending method of testing of flexible display panels, and flexible display panels can be avoided to be surveyed in bending
Occur the problem of different layers layers of material, the accuracy of lifting bending test during examination.
Brief description of the drawings
In order to be able to be further understood that feature of the invention and technology contents, refer to below in connection with of the invention detailed
Illustrate and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, not for being any limitation as to the present invention.
In accompanying drawing,
Fig. 1 is the structural representation of the bending test apparatus of flexible display panels of the invention；
The schematic diagram of the step of Fig. 2 is the bending method of testing of flexible display panels of the invention S2；
Fig. 3 is the plan of the bending test apparatus middle clamp plate of flexible display panels of the invention；
Fig. 4 is the flow chart of the bending method of testing of flexible display panels of the invention.
Specific embodiment
Further to illustrate technological means and its effect that the present invention is taken, it is preferable to carry out below in conjunction with of the invention
Example and its accompanying drawing are described in detail.
Fig. 1 is referred to, the present invention provides a kind of bending test apparatus of flexible display panels, including：Base 1, it is fixed on
Slide rail 2 on the base 1, the first clamping plate 3 being fixed on the slide rail 2 and the first clamping plate 3 are oppositely arranged and can edges
The control that the pull bar 5 that the second clamping plate 4 that the slide rail 2 is slided is connected with the second clamping plate 4 is connected with the pull bar 5
Conduit 7 that motor 6 is connected with the first clamping plate 3 and second clamping plate 4 and the compressor 8 connected with the conduit 7.
Especially, refer to Fig. 1 and combine Fig. 3, the first clamping plate 3 includes：First be vertically connected with the base 1
Supporting part 31 and the first adsorption section 32 being connected with first supporting part 31；The second clamping plate 4 includes：With the bottom
1 the second supporting part 41 being vertically connected of seat and the second adsorption section 42 being connected with second supporting part 41；Described first inhales
One side surface of the correspondence second clamping plate 4 of attached portion 32 and the side of the second adsorption section 42 correspondence first clamping plate 3
Surface is equipped with multiple stomatas 93 connected with the conduit 7.
Specifically, the pull bar 5 is parallel with the slide rail 4, pulls pull bar 4 to cause institute by the controlled motor 6
Second clamping plate 4 is stated to be moved back and forth along the slide rail 2.
Specifically, the course of work of the bending test apparatus of above-mentioned flexible display panels is：First, by flexible display panels
100 two end surfaces are fitted with the first clamping plate 3 with second clamping plate 4 respectively, then, by compressor 8 by the stomata 93
Vacuumizing makes the flexible display panels 100 adsorb between first clamping plate 3 and second clamping plate 4, finally using the control electricity
Machine 6 drives the second clamping plate 4 to be moved back and forth along the slide rail 2 by pull bar 5 makes flexible display panels 100 be formed not
Same bending diameter.
Further, when the second clamping plate 4 moves back and forth along the slide rail 2, first clamping plate 3 and described second is pressed from both sides
The minimum bending diameter that minimum range between plate 4 is tested the need for being equal to the flexible display panels 100, the minimum range can
It is modified with by the operational factor for setting controlled motor 6, namely can be by setting the operational factor of controlled motor 6
Come the stroke for controlling the second clamping plate 4 to be moved back and forth along the slide rail 2.
It should be noted that the installation of flexible display panels 100 and absorption for convenience, heretofore described first absorption
Rotation is used between portion 32 and first supporting part 31 and between second adsorption section 42 and second supporting part 41
Turn connection, install flexible display panels 100 when, can first by first adsorption section 32 can from first supporting part
31 coplanar positions are rotated to the position parallel with the base 1 to the side away from second clamping plate 4, while described second is inhaled
Attached portion 42 can be rotated from the position coplanar with second supporting part 41 to the side away from first clamping plate 3 to the base
1 parallel position, then lies on the first adsorption section 32 and the second adsorption section 42 flexible display panels 100, then by gas
Hole 93 vacuumizes so that the surface at the two ends of flexible display panels 100 is adsorbed by the first adsorption section 32 and the second adsorption section 42,
First adsorption section 32 is finally rotated back into the coplanar position of first supporting part 31 from the position parallel with the base 1 again
Put, while second adsorption section 42 is rotated back to from the position parallel with the base 1 coplanar with second supporting part 41
Position, adsorbed between first clamping plate 3 and second clamping plate 4 from by the flexible display panels 100, the flexible display panels
100 centre position will not be adsorbed, when diameter reduction is bent, its contact with the first supporting part 31 and the second supporting part 41
Area increases, and when diameter increase is bent, it reduces with the contact area of the first supporting part 31 and the second supporting part 41.
Specifically, above-mentioned flexible display panels 100 are flexible OLED display panel, and the flexible OLED display panel has
The sandwich constructions such as flexible base board, negative electrode, luminescent layer and anode, the method by vacuum suction of the invention is come fixing flexible
Display panel 100, it is not necessary to flexible display panels 100 are clamped using chuck, it is to avoid grips cause Flexible Displays face
The material of plate 100 surface tension in bending cannot discharge and then cause the problem of different layers layers of material, truly reflect soft
Property display panel 100 bending characteristic, effectively improve bending test accuracy.
Fig. 4 is referred to, based on the bending test apparatus of above-mentioned flexible display panels, the present invention also provides a kind of Flexible Displays
The bending method of testing of panel, comprises the following steps：
Step S1, the bending test apparatus for providing flexible display panels of the invention, here is omitted for concrete structure.
Step S2, a flexible display panels 100 are provided, by two end surfaces of flexible display panels 100 respectively with described the
One clamping plate 3 is fitted with second clamping plate 4.
Specifically, first adsorption section 32 is rotatably connected with first supporting part 31, second adsorption section 42 with
Second supporting part 41 is rotatably connected.
In the step S2, first first adsorption section 32 is from the position coplanar with first supporting part 31 to away from the
The side of second splint 4 is rotated to the position parallel with the base 1, at the same by second adsorption section 42 from described second
The coplanar position in support part 41 is rotated to the position parallel with the base 1 to the side away from first clamping plate 3, then will be described soft
Property display panel 100 is lain on the adsorption section 42 of first adsorption section 32 and second.
Step S3, unlatching compressor 8, the compressor 8 vacuumizes the stomata 93 makes the flexible display panels 100
Absorption is between first clamping plate 3 and second clamping plate 4.
In the step S3, first the stomata 93 is vacuumized so that the flexible display panels 100 are by the first adsorption section
32 and second adsorption section 42 adsorb, first adsorption section 32 is rotated back to from the position parallel with the base 1 again then
The coplanar position of first supporting part 31, while second adsorption section 42 is rotated from the position parallel with the base 1
Go back to the position coplanar with second supporting part 41 so that the flexible display panels 100 are adsorbed and pressed from both sides in first clamping plate 3 and second
Between plate 4.
Step S4, unlatching controlled motor 6, the controlled motor 6 drive the second clamping plate 4 along described by pull bar 5
Slide rail 2 moves back and forth makes flexible display panels 100 form different bending diameters.
Specifically, when second clamping plate 4 moves back and forth along the slide rail 2 in the step S4, first clamping plate 3 with it is described
The minimum bending diameter that minimum range between second clamping plate 4 is tested the need for being equal to the flexible display panels 100.
Specifically, the second clamping plate 4 is controlled in the step S4 by setting the operational factor of controlled motor 6 along institute
State the stroke that slide rail 2 moves back and forth.
Specifically, above-mentioned flexible display panels 100 are flexible OLED display panel, and the flexible OLED display panel has
The sandwich constructions such as flexible base board, negative electrode, luminescent layer and anode, the method by vacuum suction of the invention is come fixing flexible
Display panel 100, it is not necessary to flexible display panels 100 are clamped using chuck, it is to avoid grips cause Flexible Displays face
The material of plate 100 surface tension in bending cannot discharge and then cause the problem of different layers layers of material, truly reflect soft
Property display panel 100 bending characteristic, effectively improve bending test accuracy.
In sum, the invention provides a kind of bending test apparatus of flexible display panels, it takes out very by by stomata
Sky is adsorbed and fixing flexible display panel, by controlled motor controls clamping plate to move reciprocatingly so that flexible display panels are formed
Different bending diameters, so as to complete flexible display panels bending test, it is not necessary to clamp flexible display panels using chuck,
Avoiding grips causes the material of the flexible display panels surface tension in bending cannot to discharge and then cause different layers material
Expect the problem of layering, truly reflect the bending characteristic of flexible display panels, effectively improve the accuracy of bending test.This hair
A kind of bright bending method of testing for also providing flexible display panels, can avoid flexible display panels from occurring not when test is bent
With the problem that layer material is layered, the accuracy of lifting bending test.
The above, for the person of ordinary skill of the art, can be with technology according to the present invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
1. a kind of bending test apparatus of flexible display panels, it is characterised in that including：Base (1), it is fixed on the base
(1) slide rail (2) on, the first clamping plate (3) being fixed on the slide rail (2) and the first clamping plate (3) are oppositely arranged and can
Pull bar (5) and the pull bar that the second clamping plate (4) slided along the slide rail (2) is connected with the second clamping plate (4)
(5) connected controlled motor (6) is connected with the first clamping plate (3) and second clamping plate (4) conduit (7) and led with described
The compressor (8) of pipe (7) connection；
The first clamping plate (3) includes：The first supporting part (31) for being vertically connected with the base (1) and with described first
Connected the first adsorption section (32) of supporting part (31)；The second clamping plate (4) includes：Be vertically connected with the base (1)
Two supporting parts (41) and the second adsorption section (42) being connected with second supporting part (41)；First adsorption section (32)
One side surface of the correspondence second clamping plate (4) and the side of second adsorption section (42) the correspondence first clamping plate (3)
Surface is equipped with multiple stomatas (93) connected with the conduit (7).
2. bending test apparatus of flexible display panels as claimed in claim 1, it is characterised in that the pull bar (5) with
The slide rail (2) is parallel, pulls pull bar (5) to cause the second clamping plate (4) along the slide rail by the controlled motor (6)
(2) move back and forth.
3. bending test apparatus of flexible display panels as claimed in claim 1, it is characterised in that by setting controlled motor
(6) operational factor is come the stroke that controls the second clamping plate (4) to be moved back and forth along the slide rail (2).
4. bending test apparatus of flexible display panels as claimed in claim 1, it is characterised in that first adsorption section
(32) it is rotatably connected with first supporting part (31), second adsorption section (42) rotates with second supporting part (41) and connects
Connect；
First adsorption section (32) can be from the position coplanar with first supporting part (31) to away from second clamping plate (4)
Side is rotated to the position parallel with the base (1)；
Second adsorption section (42) can be from the position coplanar with second supporting part (41) to away from first clamping plate (3)
Side is rotated to the position parallel with the base (1).
5. bending test apparatus of flexible display panels as claimed in claim 1, it is characterised in that be applied to flexible OLED and show
Show the bending test of panel.
6. the bending method of testing of a kind of flexible display panels, it is characterised in that comprise the following steps：
Step S1, the bending test apparatus that a flexible display panels are provided, including：Base (1), it is fixed on the base (1)
Slide rail (2), the first clamping plate (3) that is fixed on the slide rail (2) and the first clamping plate (3) be oppositely arranged and can be along institute
State pull bar (5) and the pull bar (5) phase that the second clamping plate (4) of slide rail (2) slip is connected with the second clamping plate (4)
The conduit (7) that is connected with the first clamping plate (3) and second clamping plate (4) of controlled motor (6) even and with the conduit (7)
The compressor (8) of connection；
The first clamping plate (3) includes：The first supporting part (31) for being vertically connected with the base (1) and with described first
Connected the first adsorption section (32) of supporting part (31)；The second clamping plate (4) includes：Be vertically connected with the base (1)
Two supporting parts (41) and the second adsorption section (42) being connected with second supporting part (41)；
One side surface and second adsorption section (42) correspondence of the first adsorption section (32) correspondence second clamping plate (4)
One side surface of the first clamping plate (3) is equipped with multiple stomatas (93) connected with the conduit (7)；
Step S2, a flexible display panels (100) are provided, by two end surfaces of flexible display panels (100) respectively with described the
One clamping plate (3) is fitted with second clamping plate (4)；
The stomata (93) is vacuumized and makes the flexible display panels by step S3, unlatching compressor (8), the compressor (8)
(100) absorption is between first clamping plate (3) and second clamping plate (4)；
Step S4, unlatching controlled motor (6), the controlled motor (6) drive second clamping plate (4) edge by pull bar (5)
The slide rail (2) moves back and forth makes flexible display panels (100) form different bending diameters.
7. the bending method of testing of flexible display panels as claimed in claim 6, it is characterised in that second in the step S4
When clamping plate (4) moves back and forth along the slide rail (2), the minimum range between first clamping plate (3) and the second clamping plate (4)
The minimum bending diameter tested the need for equal to the flexible display panels (100).
8. the bending method of testing of flexible display panels as claimed in claim 6, it is characterised in that pass through in the step S4
The row for setting the operational factor of controlled motor (6) to control the second clamping plate (4) to be moved back and forth along the slide rail (2)
Journey.
9. the bending method of testing of flexible display panels as claimed in claim 6, it is characterised in that first adsorption section
(32) it is rotatably connected with first supporting part (31), second adsorption section (42) rotates with second supporting part (41) and connects
Connect；
In the step S2, first first adsorption section (32) is from the position coplanar with first supporting part (31) to away from the
The side of second splint (4) is rotated to the position parallel with the base (1), at the same by second adsorption section (42) from it is described
The coplanar position of second supporting part (41) is rotated to the position parallel with the base (1) to the side away from first clamping plate (3),
Then the flexible display panels (100) are lain on first adsorption section (32) and the second adsorption section (42)；
In the step S3, first the stomata (93) is vacuumized so that the flexible display panels (100) are by the first adsorption section
(32) adsorbed with the second adsorption section (42), then again by first adsorption section (32) from the position parallel with the base (1)
Put and rotate back to the coplanar position of first supporting part (31), at the same by second adsorption section (42) from the base (1)
Parallel position rotates back to the position coplanar with second supporting part (41) so that flexible display panels (100) absorption
Between first clamping plate (3) and second clamping plate (4).
10. the bending method of testing of flexible display panels as claimed in claim 6, it is characterised in that the Flexible Displays face
Plate (100) is flexible OLED display panel.
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| CN201611219714.7A CN106783660B (en) | 2016-12-26 | 2016-12-26 | The bending test apparatus and bend test method of flexible display panels |
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| CN201611219714.7A CN106783660B (en) | 2016-12-26 | 2016-12-26 | The bending test apparatus and bend test method of flexible display panels |
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| CN110836764B (en) * | 2019-11-29 | 2021-07-27 | 昆山国显光电有限公司 | Detection method and detection device for bending stiffness and test method for display panel |
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| CN111745942A (en) * | 2020-07-03 | 2020-10-09 | 京东方科技集团股份有限公司 | Bending device and bending method of flexible display panel |
| CN111912609A (en) * | 2020-08-11 | 2020-11-10 | 京东方科技集团股份有限公司 | Measuring device and measuring method |
| CN111912609B (en) * | 2020-08-11 | 2022-08-26 | 京东方科技集团股份有限公司 | Measuring device and measuring method |
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