CN105182576A - Device and method for detecting laminating accuracy of polarizing plate - Google Patents
Device and method for detecting laminating accuracy of polarizing plate Download PDFInfo
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- CN105182576A CN105182576A CN201510681377.2A CN201510681377A CN105182576A CN 105182576 A CN105182576 A CN 105182576A CN 201510681377 A CN201510681377 A CN 201510681377A CN 105182576 A CN105182576 A CN 105182576A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Chemical & Material Sciences (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention provides a device and method for detecting the laminating accuracy of a polarizing plate. The device is characterized in that by additional arrangement of a positioning unit between two image acquisition units that are arranged oppositely, the laminating accuracy of the polarizing plate at two corners of the front end of a display panel is detected when the front end of the display panel reaches the positioning unit, and the laminating accuracy of the polarizing plate at two corners of the tail end of the display panel is detected when the tail end of the display panel leaves the positioning unit, so that the purpose of detecting the laminating accuracy of the polarizing plate at the four corners of the display panel is achieved, the problem in the prior art that the laminating accuracy of the polarizing plate at two corners of the tail end of the display panel cannot be detected, therefore unqualified products cannot be effectively intercepted when the accuracy of the tail end is abnormal is solved, and the product quality is ensured. According to the device and the method for detecting the laminating accuracy of the polarizing plate, provided by the invention, the laminating accuracy of the polarizing plate at the four corners of the display panel can be detected, unqualified display panels can be effectively intercepted, and the product quality can be further improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of Polarizer and attach accuracy detecting device and detection method.
Background technology
Liquid crystal indicator (LCD, LiquidCrystalDisplay) have that fuselage is thin, power saving, the many merits such as radiationless, be widely used, as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen etc.Usual liquid crystal indicator comprises housing, is located at the display panels in housing and is located at the backlight module (Backlightmodule) in housing.Wherein, the structure of display panels is mainly by a thin-film transistor array base-plate (ThinFilmTransistorArraySubstrate, TFTArraySubstrate), a colored filter substrate (ColorFilterSubstrate, CFSubstrate) and the liquid crystal layer (LiquidCrystalLayer) be configured between two substrates formed, its principle of work is by applying the rotation that driving voltage controls the liquid crystal molecule of liquid crystal layer on two panels glass substrate, the light refraction of backlight module out being produced picture.
It is an extremely important procedure in process for manufacturing liquid crystal display that Polarizer attaches, it is that Polarizer is pasted to glass baseplate surface, Polarizer passes through with specific direction in order to control light, recycling liquid crystal is to the rotation effect of polarized light, thus the selectivity reaching light is passed through, and then liquid crystal panel is made to show different pictures.It is that after having been attached by Polarizer, its edge has been weighed to the distance at display panel edge that Polarizer attaches precision, the less precision of distance is higher, otherwise the larger precision of distance is lower, Polarizer attaching precision exceeds specification and can cause the consequences such as product is bad, module group procedure is bad, therefore Polarizer need be carried out after Polarizer attaches and attach accuracy detection, and bad product is blocked out carry out heavy industry process.
Refer to Fig. 1 and Fig. 2, existing Polarizer attaches accuracy detecting device and usually adopts two ccd image sensors 300 to carry out Polarizer attaching accuracy detection to the display panel 100 having attached Polarizer 102.Display panel 100 from production line flow to two ccd image sensors 300 within sweep of the eye after, two ccd image sensors 300 are taken pictures to two angles 400 of display panel 100 front end respectively, and find out the edge of Polarizer 102 and the edge of display panel 100 by graphical analysis, calculate the distance x1 between the edge of Polarizer 102 and the edge of display panel 100, x2, y1 and y2, and then judge that Polarizer attaches precision whether in specification limit.As shown in Figure 2, this Polarizer attaches the Polarizer attaching accuracy data that accuracy detecting device only can obtain Liang Ge angle, display panel 100 front end 400, precision cannot be attached to the Polarizer at display panel 100 end two angles 500 to monitor, but, only attach precision to the Polarizer at Liang Ge angle, front end 400 to detect, effectively cannot ensure that the Polarizer on whole display panel 100 attaches precision in specification limit, its for because of processing procedure abnormal, Polarizer size is abnormal, it is abnormal that the end Polarizer that the factors such as size of display panels is abnormal cause attaches precision, effectively cannot block inspection.
Summary of the invention
The object of the present invention is to provide a kind of Polarizer to attach accuracy detecting device, the Polarizer at detection display panel four angles can attach precision, the effectively defective display panel of interception, Improving The Quality of Products.
The present invention also aims to provide a kind of Polarizer to attach accuracy checking method, the Polarizer at detection display panel four angles can attach precision, the effectively defective display panel of interception, Improving The Quality of Products.
For achieving the above object, the invention provides a kind of Polarizer and attach accuracy detecting device, comprising: central processing unit and the panel delivery unit, the first image acquisition units, the second image acquisition units and the positioning unit that are connected with described central processing unit respectively; Wherein, described positioning unit is located between described first image acquisition units and the second image acquisition units;
Described panel delivery unit is used for the display panel attaching Polarizer to be passed between the first image acquisition units and the second image acquisition units; Described positioning unit is used for sending front end accuracy detection signal and end accuracy detection signal when display panel arrives and leave the position of described positioning unit respectively to described central processing unit;
Described central processing unit controls the first and second image acquisition units and carries out image acquisition to two jiaos, the front end of display panel and end two jiaos respectively after receiving the front end accuracy detection signal and end accuracy detection signal that positioning unit sends, and go out two jiaos, the front end of display panel and Polarizer edge, the end two jiaos of places distance value far from display panel edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos, display panel front end and end two jiaos of places attaches precision.
Described first and second image acquisition units is ccd image sensor.
Described positioning unit is alignment sensor.
Also comprise the alarm unit be connected with described central processing unit, when described central processing unit detects that the distance value of the Polarizer edge at least one angle place of display panel far from display panel edge be not in the standard value range preset, alarm unit sends alerting signal.
Also comprise the input-output unit be connected with described central processing unit, described input-output unit is used in central processing unit, input the standard value range of described Polarizer edge far from the distance value at display panel edge, and the Polarizer at output display panel four angles attaches the testing result of precision from central processing unit.
The present invention also provides a kind of Polarizer to attach accuracy checking method, comprises the steps:
Step 1, provide one Polarizer attach accuracy detecting device, comprising: central processing unit and the panel delivery unit, the first image acquisition units, the second image acquisition units and the positioning unit that are connected with described central processing unit respectively; Wherein, described positioning unit is located between described first image acquisition units and the second image acquisition units;
Step 2, the display panel of Polarizer that provides to attach, be positioned over described display panel on described panel delivery unit, described display panel moved between the first image acquisition units and the second image acquisition units;
Step 3, when the front end of described display panel arrives the position of described positioning unit, described positioning unit sends front end accuracy detection signal to central processing unit, described central processing unit controls the image that the described first and second image acquisition units gathers two jiaos, described display panel front end, and go out the distance value of Polarizer edge far from display panel edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos of places, display panel front end attaches precision;
Step 4, described display panel move on, when the end of described display panel leaves the position of described positioning unit, described positioning unit sends end accuracy detection signal to central processing unit, described central processing unit controls the image that the described first and second image acquisition units gathers described display panel end two jiaos, and go out the distance value of Polarizer edge far from display panel edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at display panel end two jiaos of places attaches precision.
Described Polarizer attaches accuracy detecting device and also comprises the alarm unit be connected with described central processing unit, when described central processing unit detects that the distance value of the Polarizer edge at least one angle place of display panel far from display panel edge be not in the standard value range preset, alarm unit sends alerting signal.
Described Polarizer attaches accuracy detecting device and also comprises the input-output unit be connected with described central processing unit, described input-output unit is used in central processing unit, input the standard value range of described Polarizer edge far from the distance value at display panel edge, and the Polarizer at output display panel four angles attaches the testing result of precision from central processing unit.
Described first and second image acquisition units is ccd image sensor.
Described positioning unit is alignment sensor.
Beneficial effect of the present invention: the invention provides a kind of Polarizer and attach accuracy detecting device, by increasing locating unit between two image acquisition units be oppositely arranged, when display panel front end arrives positioning unit, the Polarizer at two jiaos of places, detection display panel front end attaches precision, when display panel end leaves positioning unit, the Polarizer at detection display panel end two jiaos of places attaches precision, the Polarizer reaching detection display panel four angles attaches the object of precision, solve the Polarizer that cannot carry out display panel end two jiaos of places in prior art and attach accuracy detection, and then when end precision is abnormal, effectively cannot tackle the problem of substandard product, ensure product quality.The present invention also provides a kind of Polarizer to attach accuracy checking method, the Polarizer at detection display panel four angles can attach precision, the effectively defective display panel of interception, Improving The Quality of Products.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 be existing Polarizer attach accuracy detecting device to the display panel attaching Polarizer carry out Polarizer attach accuracy detection time schematic diagram;
Fig. 2 is the distance schematic diagram at the edge of the two jiaos of place's Polarizers in front end at display panel and the edge of display panel;
Fig. 3 is the schematic diagram that Polarizer of the present invention attaches accuracy detecting device;
Fig. 4 is the schematic diagram that Polarizer of the present invention attaches the step 2 of accuracy checking method;
Fig. 5 is the schematic diagram that Polarizer of the present invention attaches the step 3 of accuracy checking method;
Fig. 6-Fig. 7 is the schematic diagram that Polarizer of the present invention attaches the step 4 of accuracy checking method;
Fig. 8 is the process flow diagram that Polarizer of the present invention attaches accuracy checking method.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 3, consult Fig. 4-7 simultaneously, the invention provides a kind of Polarizer and attach accuracy detecting device, comprising: central processing unit 10 and panel delivery unit 20, first image acquisition units 31, second image acquisition units 32 be connected with described central processing unit 10 respectively and positioning unit 40; Wherein, described positioning unit 40 is located between described first image acquisition units 31 and the second image acquisition units 32;
Described panel delivery unit 20 is for being passed between the first image acquisition units 31 and the second image acquisition units 32 by the display panel 11 having attached Polarizer 12; Front end accuracy detection signal and end accuracy detection signal is sent respectively to described central processing unit 10 when described positioning unit 40 is for arriving at display panel 11 and leave the position of described positioning unit 40;
Described central processing unit 10 controls first after receiving the front end accuracy detection signal and end accuracy detection signal that positioning unit 40 sends, and second image acquisition units 31, 32 carry out image acquisition to two jiaos, the front end of display panel 11 and end two jiaos respectively, and go out two jiaos, the front end of display panel 11 and the end two jiaos of place's Polarizers 12 edge distance value far from display panel 11 edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos, display panel 11 front end and end two jiaos of places attaches precision.
Concrete, the described first and second image acquisition units 31,32 is ccd image sensor.
Further, the distance between described first image acquisition units 31 and the second image acquisition list 32 is more than or equal to the width of display panel 11.
Concrete, described positioning unit 40 is alignment sensor.
Concrete, described Polarizer attaches accuracy detecting device and also comprises the alarm unit 50 be connected with described central processing unit 10, when described central processing unit 10 detects that the distance value of Polarizer 12 edge at least one angle place of display panel 11 far from display panel 11 edge be not in the standard value range preset, alarm unit 50 sends alerting signal.
Concrete, described Polarizer attaches accuracy detecting device and also comprises the input-output unit 60 be connected with described central processing unit 10, described input-output unit 60 for inputting the standard value range of described Polarizer 12 edge far from the distance value at display panel 11 edge in central processing unit 10, and the Polarizer at output display panel 11 4 angles attaches the testing result of precision from central processing unit 10.
Further, described positioning unit 40 is for determining that the described first and second image acquisition units 31,32 carries out the position of image acquisition, when display panel 11 front end arrives positioning unit 40, positioning unit 40 goes to OFF signal (OFF) by ON signal (ON), this OFF signal is front end accuracy detection signal, and the Polarizer realizing two jiaos of places, display panel 11 front end attaches accuracy detection.Display panel 11 continues flowing, now positioning unit 40 keeps OFF signal, when display panel 11 end leaves positioning unit 40, positioning unit 40 goes to ON signal by OFF signal, this ON signal is end accuracy detection signal, and then the Polarizer completing display panel 11 end two jiaos of places attaches accuracy detection, reach the object that display panel corner Polarizer attaches accuracy detection, solve the Polarizer that cannot carry out display panel end two jiaos in prior art and attach accuracy detection, and then when end precision is abnormal, effectively cannot tackle the problem of substandard product, ensure that product quality.
In addition, the change over order of ON signal and OFF signal also can for when display panel 11 front end arrives positioning unit 40, positioning unit 40 goes to ON signal by OFF signal, and this ON signal is front end accuracy detection signal, and the Polarizer realizing two jiaos of places, display panel 11 front end attaches accuracy detection.Display panel 11 continues flowing, now positioning unit 40 keeps ON signal, when display panel 11 end leaves positioning unit 40, positioning unit 40 goes to OFF signal by ON signal, this OFF signal is end accuracy detection signal, and then the Polarizer completing display panel 11 end two jiaos of places attaches accuracy detection, the object that display panel corner Polarizer attaches accuracy detection can be realized equally.
Refer to Fig. 8, the present invention also provides a kind of Polarizer to attach accuracy checking method, comprises the steps:
Step 1, refer to Fig. 3, there is provided a Polarizer to attach accuracy detecting device, comprising: central processing unit 10 and panel delivery unit 20, first image acquisition units 31, second image acquisition units 32 be connected with described central processing unit 10 respectively and positioning unit 40; Wherein, described positioning unit 40 is located between described first image acquisition units 31 and the second image acquisition units 32.
Concrete, the described first and second image acquisition units 31,32 is ccd image sensor.
Concrete, described positioning unit 40 is alignment sensor.
Concrete, described Polarizer attaches accuracy detecting device and also comprises the alarm unit 50 be connected with described central processing unit 10, when described central processing unit 10 detects that the distance value of Polarizer 12 edge at least one angle place of display panel 11 far from display panel 11 edge be not in the standard value range preset, alarm unit 50 sends alerting signal.
Concrete, described Polarizer attaches accuracy detecting device and also comprises the input-output unit 60 be connected with described central processing unit 10, described input-output unit 60 for inputting the standard value range of described Polarizer 12 edge far from the distance value at display panel 11 edge in central processing unit 10, and the Polarizer at output display panel 11 4 angles attaches the testing result of precision from central processing unit 10.
Step 2, refer to Fig. 4, the display panel 11 of the Polarizer 12 that provides to attach, is positioned over described display panel 11 on described panel delivery unit 20, described display panel 11 is moved between the first image acquisition units 31 and the second image acquisition units 32.
Concrete, described display panel 11 can advance in the horizontal direction or vertical direction advances, respectively corresponding horizontal Polarizer sticking machine and vertical type Polarizer sticking machine.
Step 3, refer to Fig. 5, when the front end of described display panel 11 arrives the position of described positioning unit 40, described positioning unit 40 sends front end accuracy detection signal to central processing unit 10, described central processing unit 10 controls described first, and second image acquisition units 31, the image of 32 described two jiaos, display panel 11 front ends of collection, and go out the distance value of Polarizer 12 edge far from display panel 11 edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos of places, display panel 11 front end attaches precision.
Concrete, when display panel 11 front end arrives positioning unit 40, the first and second image acquisition units 31,32 is just in time dropped within sweep of the eye in two jiaos, the front end of display panel 11, positioning unit 40 goes to OFF signal by ON signal, this OFF signal is front end accuracy detection signal and is supplied to central processing unit 10, and the Polarizer carrying out two jiaos, display panel 11 front end attaches accuracy detection.
Or when display panel 11 front end arrives positioning unit 40, positioning unit 40 goes to ON signal by OFF signal, and this ON signal is front end accuracy detection signal and is supplied to central processing unit 10.
Step 4, refer to Fig. 6-7, described display panel 11 moves on, when the end of described display panel 11 leaves the position of described positioning unit 40, described positioning unit 40 sends end accuracy detection signal to central processing unit 10, described central processing unit 10 controls described first, and second image acquisition units 31, the image of described display panel 11 end two jiaos of 32 collection, and go out the distance value of Polarizer 12 edge far from display panel 11 edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at display panel 11 end two jiaos of places attaches precision.
Concrete, described display panel 11 moves on, positioning unit 40 keeps OFF signal, until display panel 11 end leaves positioning unit 40, the end two jiaos of display panel 11 just in time drop on the first and second image acquisition units 31,32 within sweep of the eye time, positioning unit 40 goes to ON signal by OFF signal, and this ON signal is end accuracy detection signal and is supplied to central processing unit 10, and the Polarizer carrying out display panel 11 end two jiaos attaches accuracy detection.
Or when display panel 11 end leaves positioning unit 40, positioning unit 40 goes to OFF signal by ON signal, and this OFF signal is end accuracy detection signal and is supplied to central processing unit 10.
In sum, the invention provides a kind of Polarizer and attach accuracy detecting device, by increasing locating unit between two image acquisition units be oppositely arranged, when display panel front end arrives positioning unit, the Polarizer at two jiaos of places, detection display panel front end attaches precision, when display panel end leaves positioning unit, the Polarizer at detection display panel end two jiaos of places attaches precision, the Polarizer reaching detection display panel four angles attaches the object of precision, solve in prior art and cannot detect the Polarizer attaching precision at display panel end two jiaos of places, and then when end precision is abnormal, effectively cannot tackle the problem of substandard product, ensure product quality.The present invention also provides a kind of Polarizer to attach accuracy checking method, the Polarizer at detection display panel four angles can attach precision, the effectively defective display panel of interception, Improving The Quality of Products.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (10)
1. a Polarizer attaches accuracy detecting device, it is characterized in that, comprising: central processing unit (10) and the panel delivery unit (20), the first image acquisition units (31), the second image acquisition units (32) and the positioning unit (40) that are connected with described central processing unit (10) respectively; Wherein, described positioning unit (40) is located between described first image acquisition units (31) and the second image acquisition units (32);
Described panel delivery unit (20) is for being passed between the first image acquisition units (31) and the second image acquisition units (32) by the display panel (11) having attached Polarizer (12); Described positioning unit (40) is for sending front end accuracy detection signal and end accuracy detection signal when display panel (11) arrives and leave the position of described positioning unit (40) respectively to described central processing unit (10);
Described central processing unit (10) controls first after receiving the front end accuracy detection signal and end accuracy detection signal that positioning unit (40) sends, and second image acquisition units (31, 32) respectively image acquisition is carried out to two jiaos, the front end of display panel (11) and end two jiaos, and go out two jiaos, the front end of display panel (11) and end two jiaos of place's Polarizer (12) edges distance value far from display panel (11) edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos, display panel (11) front end and end two jiaos of places attaches precision.
2. Polarizer as claimed in claim 1 attaches accuracy detecting device, and it is characterized in that, the described first and second image acquisition units (31,32) is ccd image sensor.
3. Polarizer as claimed in claim 1 attaches accuracy detecting device, and it is characterized in that, described positioning unit (40) is alignment sensor.
4. Polarizer as claimed in claim 1 attaches accuracy detecting device, it is characterized in that, also comprise the alarm unit (50) be connected with described central processing unit (10), when described central processing unit (10) detects that the distance value of Polarizer (12) edge at display panel (11) at least one angle place far from display panel (11) edge be not in the standard value range preset, alarm unit (50) sends alerting signal.
5. Polarizer as claimed in claim 4 attaches accuracy detecting device, it is characterized in that, also comprise the input-output unit (60) be connected with described central processing unit (10), described input-output unit (60) for inputting the standard value range of described Polarizer (12) edge far from the distance value at display panel (11) edge in central processing unit (10), and attaches the testing result of precision from the Polarizer at output display panel (11) four angles in central processing unit (10).
6. Polarizer attaches an accuracy checking method, it is characterized in that, comprises the steps:
Step 1, provide one Polarizer attach accuracy detecting device, comprising: central processing unit (10) and the panel delivery unit (20), the first image acquisition units (31), the second image acquisition units (32) and the positioning unit (40) that are connected with described central processing unit (10) respectively; Wherein, described positioning unit (40) is located between described first image acquisition units (31) and the second image acquisition units (32);
The display panel (11) of step 2, the Polarizer (12) that provides to attach, described display panel (11) is positioned on described panel delivery unit (20), described display panel (11) is moved between the first image acquisition units (31) and the second image acquisition units (32);
Step 3, when the front end of described display panel (11) arrives the position of described positioning unit (40), described positioning unit (40) sends front end accuracy detection signal to central processing unit (10), described central processing unit (10) controls described first, and second image acquisition units (31, 32) image of two jiaos, described display panel (11) front end is gathered, and go out the distance value of Polarizer (12) edge far from display panel (11) edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at two jiaos of places, display panel (11) front end attaches precision,
Step 4, described display panel (11) moves on, when the end of described display panel (11) leaves the position of described positioning unit (40), described positioning unit (40) sends end accuracy detection signal to central processing unit (10), described central processing unit (10) controls described first, and second image acquisition units (31, 32) image of described display panel (11) end two jiaos is gathered, and go out the distance value of Polarizer (12) edge far from display panel (11) edge according to the image analysis collected, and by described distance value and the standard value range comparison preset, whether up to standardly judge that the Polarizer at display panel (11) end two jiaos of places attaches precision.
7. Polarizer as claimed in claim 6 attaches accuracy checking method, it is characterized in that, described Polarizer attaches accuracy detecting device and also comprises the alarm unit (50) be connected with described central processing unit (10), when described central processing unit (10) detects that the distance value of Polarizer (12) edge at display panel (11) at least one angle place far from display panel (11) edge be not in the standard value range preset, alarm unit (50) sends alerting signal.
8. Polarizer as claimed in claim 6 attaches accuracy checking method, it is characterized in that, described Polarizer attaches accuracy detecting device and also comprises the input-output unit (60) be connected with described central processing unit (10), described input-output unit (60) for inputting the standard value range of described Polarizer (12) edge far from the distance value at display panel (11) edge in central processing unit (10), and attaches the testing result of precision from the Polarizer at output display panel (11) four angles in central processing unit (10).
9. Polarizer as claimed in claim 6 attaches accuracy checking method, and it is characterized in that, the described first and second image acquisition units (31,32) is ccd image sensor.
10. Polarizer as claimed in claim 6 attaches accuracy checking method, and it is characterized in that, described positioning unit (40) is alignment sensor.
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| CN201510681377.2A CN105182576A (en) | 2015-10-19 | 2015-10-19 | Device and method for detecting laminating accuracy of polarizing plate |
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| CN201510681377.2A CN105182576A (en) | 2015-10-19 | 2015-10-19 | Device and method for detecting laminating accuracy of polarizing plate |
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Cited By (6)
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| WO2018120394A1 (en) * | 2016-12-28 | 2018-07-05 | 惠科股份有限公司 | Polarizer attachment quality detection system and method |
| WO2020082432A1 (en) * | 2018-10-25 | 2020-04-30 | 惠科股份有限公司 | Attaching control method for object, attaching machine and storage medium |
| WO2020134967A1 (en) * | 2018-12-24 | 2020-07-02 | 惠科股份有限公司 | Polarizer attachment detection method and device, and display device |
| CN111401327A (en) * | 2020-04-21 | 2020-07-10 | Oppo广东移动通信有限公司 | Inspection method, electronic device, and storage medium |
| CN112596286A (en) * | 2020-12-15 | 2021-04-02 | 滁州惠科光电科技有限公司 | Polaroid detection method and device and polaroid attaching machine |
| CN114355640A (en) * | 2021-12-31 | 2022-04-15 | 深圳市深科达智能装备股份有限公司 | Polaroid laminating detection equipment, system and method |
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Application publication date: 20151223 |