CN204666996U - Lamination diaphragm detection system - Google Patents
Lamination diaphragm detection system Download PDFInfo
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- CN204666996U CN204666996U CN201520251878.2U CN201520251878U CN204666996U CN 204666996 U CN204666996 U CN 204666996U CN 201520251878 U CN201520251878 U CN 201520251878U CN 204666996 U CN204666996 U CN 204666996U
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- lamination
- detection system
- polarizer
- lamination diaphragm
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Abstract
The utility model provides a kind of lamination diaphragm detection system, wherein lamination diaphragm comprises diaphragm and Polarizer, and the Width of diaphragm has the icon indicia of the optical property in each region of record protection film, system comprises light source, adjustable phase difference device, detection Polarizer, mark reading device, control module, image capture unit and detecting element, wherein adjustable phase difference device comprises plural district and independently can adjust the phase differential array of offset to offset the phase differential in each region of diaphragm, therefore, the printing opacity image of the lamination diaphragm after the phase differential impact in each region of diaphragm can be offset by image capture unit acquisition, defects detection is carried out to lamination diaphragm.Lamination diaphragm detection system of the present utility model solves the technical matters cannot carrying out defects detection in prior art to the Polarizer after attaching diaphragm.
Description
Technical field
The utility model relates to a kind of lamination diaphragm detection system, to detect the lamination diaphragm of superimposed diaphragm and Polarizer, under the phase differential impact avoiding diaphragm, can detect the defect of lamination diaphragm.
Background technology
Polarizer is the key part and component of liquid crystal display, it is arranged at the both sides of liquid crystal cell, and because wherein side is directly towards user, if its outward appearance has obvious flaw, will not easily accept by user, therefore produce at Polarizer in the assembling process of display, all need to increase diaphragm in Polarizer surface, prevent Polarizer from damaging, but, in Polarizer production run, also the various open defect for Polarizer is needed, axially, optical properties etc. detect, such as, after adopting the detection Polarizer as benchmark to superpose with Polarizer to be measured, can under the mutual orthogonal of absorption axle, detect breakage, foreign matter, the light leak that the open defect such as bubble and scratch causes, and measure its character such as absorption shaft angle degree and degree of polarization etc., but generally as the base material of diaphragm, such as PET etc., generally there is irregular phase distribution region, therefore the interference of testing process optical image can be caused, and in order to improve visual angle, the optical appearance such as contrast, existing Polarizer generally comprises compensate film, though general indemnity film has fixing phase difference value usually, therefore by another phase retardation film superimposed, the impact with the compensate film of single phase difference value can be got rid of, but for the impact of diaphragm, then only first can detect Polarizer before not attaching diaphragm, and cannot get rid of at the same time compensate film and all regions of diaphragm out of phase difference affect under, Polarizer after attaching diaphragm is detected, but, after attaching diaphragm or in process, Polarizer still may produce defect, and cause Polarizer final products bad, therefore, need a kind of lamination diaphragm detection system detecting superimposed diaphragm and Polarizer, with under the irregular phase differential impact avoiding diaphragm, detect the defect of lamination diaphragm.
Utility model content
Because the problem of above-mentioned known techniques, the purpose of this utility model is to provide a kind of lamination diaphragm detection system, to overcoming the difficult point that existing product cannot detect the Polarizer after attaching diaphragm.
For achieving the above object, the utility model provides a kind of lamination diaphragm detection system, wherein lamination diaphragm comprises diaphragm and Polarizer, this lamination diaphragm detection system comprises: light source, in order to irradiate the Polarizer side of lamination diaphragm, wherein one end of the diaphragm Width of lamination diaphragm has the icon indicia of the optical property in each region of record protection film; Adjustable phase difference device, it is arranged at the diaphragm side of lamination diaphragm, and comprises the phase differential array that plural district independently can adjust offset; Detection Polarizer, it is arranged at light source by the light path after adjustable phase difference device; Mark reading device, in order to the icon indicia of fetch protection film, and understands the optical property that this icon indicia records; Control module, it is electrically connected on mark reading device and adjustable phase difference device, and the offset of the phase differential array in this plural district of adjustable phase difference device is adjusted according to the optical property that icon indicia records, offset with the phase differential of each respective regions with diaphragm; Image capture unit, is arranged at light source by the light path after detection Polarizer, offsets the printing opacity image of the lamination diaphragm after diaphragm phase differential in order to acquisition; And detecting element, it is electrically connected on image capture unit, and based on captured printing opacity image, carries out defects detection to lamination diaphragm.
In the lamination diaphragm detection system of an embodiment, adjustable phase difference device comprises the liquid crystal cell of single or multiple lift, to change the adjustable range of offset.
In the lamination diaphragm detection system of another embodiment, liquid crystal cell is automatically controlled or magnetic control, to change liquid crystal orientation.
In the lamination diaphragm detection system of another embodiment, the offset R of liquid crystal cell
0for 0nm to 180nm.
In the lamination diaphragm detection system of another embodiment, the liquid crystal of liquid crystal cell is disc-like liquid crystal or rod-like liquid crystal.
In the lamination diaphragm detection system of another embodiment, this lamination diaphragm detection system also comprises wheelwork, and this wheelwork is in order to change the relative angle of the absorption axle of the Polarizer of detection Polarizer and lamination diaphragm.
In the lamination diaphragm detection system of another embodiment, this lamination diaphragm detection system also comprises flaw labeling device, and this flaw labeling device is electrically connected on detecting element, and according to testing result, by the diaphragm of flaw labeling in lamination diaphragm.
The utility model is provided with adjustable phase difference device; it has plural district independently can adjust the phase differential array of offset to offset the phase differential in each region of diaphragm, thus solves the technical matters cannot carrying out defects detection in prior art to the Polarizer after attaching diaphragm.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of light modulating device one embodiment of the present utility model.
Fig. 2 is the adjustable phase difference device of light modulating device of the present utility model and the corresponding schematic diagram with the diaphragm of icon indicia.
Fig. 3 is the schematic diagram of another embodiment of light modulating device of the present utility model.
Embodiment
More easily understand for making feature of the present utility model, content, advantage and the effect that can reach thereof, hereby the utility model is coordinated accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and wherein used accompanying drawing, its purport is only the use of signal and aid illustration book, may not for the utility model implement after actual proportions with precisely configure, therefore should not understand with regard to the ratio of accompanying drawing and configuration relation, limit to the interest field of the utility model on reality is implemented, conjunction is first chatted bright.
Hereinafter with reference to relevant drawings, the embodiment according to lamination diaphragm detection system of the present utility model is described, for making to be convenient to understand, the similar elements in following embodiment illustrates with identical symbology.
Please also refer to Fig. 1 and Fig. 2, in a better enforcement aspect, the utility model provides a kind of lamination diaphragm detection system 1, wherein lamination diaphragm 2 comprises diaphragm 21 and Polarizer 22, and lamination diaphragm 2 is coiled strip or sheet stock, lamination diaphragm detection system 1 comprises light source 3, light source 3 is in order to irradiate Polarizer 22 side of lamination diaphragm 2, wherein one end of the Width of the diaphragm 21 of lamination diaphragm 2 has the icon indicia 21a of the optical property in each region of record protection film 21, the mode of record is such as in advance for laminated front single diaphragm 21, detect the phase difference value in its each region, adopt the modes such as ink-jet again, with the pattern of bar code or two-dimensional bar code, the phase difference value that each for diaphragm 21 region has is recorded in one end of diaphragm 21, adjustable phase difference device 4, it is arranged at diaphragm 21 side of lamination diaphragm 2, and comprises the phase differential array 4a that plural district independently can adjust offset, detect with Polarizer 5, it is arranged at light source 3 by the light path after adjustable phase difference device 4, mark reading device 6, in order to the icon indicia 21a of fetch protection film 21, and understands its optical property recorded, control module 7, it is electrically connected on mark reading device 6 and adjustable phase difference device 4, and the offset of the phase differential array 4a in each district of adjustable phase difference device 4 is adjusted according to the optical property that icon indicia 21a records, offset with the phase differential of each respective regions with diaphragm 21, image capture unit 8, is arranged at light source 3 by the light path after detection Polarizer 5, offsets the printing opacity image of the lamination diaphragm 2 after diaphragm 21 phase differential in order to acquisition, and detecting element 9, it is electrically connected on image capture unit 8, and based on captured printing opacity image, carries out defects detection to lamination diaphragm 2.
In the lamination diaphragm detection system of an embodiment; adjustable phase difference device comprises the liquid crystal cell of single or multiple lift; to change the adjustable range of its offset; and by employing electrod-array; the offset of each phase differential array independently can be adjusted according to the phase differential of each respective regions of obtained diaphragm, reach the effect phase differential of diaphragm entirety offset by the impact of Polarizer.
In the lamination diaphragm detection system of another embodiment, liquid crystal cell be automatically controlled or magnetic control to change liquid crystal orientation, and regulate and control offset.
In the lamination diaphragm detection system of another embodiment, the offset R of liquid crystal cell
0for 0nm to 180nm, when superimposed multilayer, such as, during 2 layers of liquid crystal cell, then can make offset R
0for 0nm to 360nm, to meet the phase difference value scope of various diaphragm.
In the lamination diaphragm detection system of another embodiment, the liquid crystal of liquid crystal cell is disc-like liquid crystal or rod-like liquid crystal.
In the lamination diaphragm detection system of another embodiment, lamination diaphragm detection system also comprises wheelwork, to change the absorption axle relative angle of the Polarizer of detection Polarizer and lamination diaphragm; When making the absorption axle orthogonal of the Polarizer adjusting detection Polarizer and lamination diaphragm, can dark-state be obtained, and the bright spot that the foreign matter that can detect on Polarizer or between Polarizer and diaphragm and defect cause; Maybe using the absorption axle of detection Polarizer as reference axially, the absorption axle change of the Polarizer of lamination diaphragm is recorded.
Please refer to Fig. 3, implement in the lamination diaphragm detection system of aspect at another, with embodiment illustrated in fig. 1 similar, the lamination diaphragm detection system 1 of the present embodiment comprises lamination diaphragm 2, light source 3, adjustable phase difference device 4, detect with Polarizer 5, mark reading device 6, control module 7, image capture unit 8 and detecting element 9 etc., differently from previous embodiment to be, the lamination diaphragm detection system 1 of the present embodiment also comprises flaw labeling device 10, flaw labeling device 10 is electrically connected on detecting element 9, and according to testing result, by the diaphragm 21 of flaw labeling in lamination diaphragm 2, follow-up personnel can be provided to recheck, or cutting and adding man-hour of follow-up lamination diaphragm is provided, in order to get rid of marking of defects place, defective products is avoided to flow out to client.
Above-described embodiment is only and technological thought of the present utility model and feature is described, its object understands content of the present utility model implementing according to this enabling those skilled in the art, when can not with restriction the scope of the claims of the present utility model, namely the equalization change that the spirit generally disclosed according to the utility model is done or modification, must be encompassed in the scope of the claims of the present utility model.
Claims (7)
1. a lamination diaphragm detection system, is characterized in that, this lamination diaphragm comprises diaphragm and Polarizer, and this lamination diaphragm detection system comprises:
Light source, in order to irradiate the side of this Polarizer of this lamination diaphragm, wherein one end of the Width of this diaphragm of this lamination diaphragm has the icon indicia of the optical property in each region of recording this diaphragm;
Adjustable phase difference device, it is arranged at the side of this diaphragm of this lamination diaphragm, and comprises the phase differential array that plural district independently can adjust offset;
Detection Polarizer, it is arranged at this light source by the light path after this adjustable phase difference device;
Mark reading device, in order to read this icon indicia of this diaphragm, and understands the optical property that this icon indicia records;
Control module, it is electrically connected on this mark reading device and this adjustable phase difference device, and the offset of the phase differential array in this plural district of this adjustable phase difference device is adjusted according to this optical property that this icon indicia records, offset with the phase differential of each respective regions with this diaphragm;
Image capture unit, is arranged at this light source by the light path after this detection Polarizer, offsets the printing opacity image of this lamination diaphragm after diaphragm phase differential in order to acquisition; And
Detecting element, it is electrically connected on this image capture unit, and based on captured printing opacity image, carries out defects detection to this lamination diaphragm.
2. lamination diaphragm detection system as claimed in claim 1, is characterized in that, this adjustable phase difference device comprises the liquid crystal cell of single or multiple lift, to change the adjustable range of offset.
3. lamination diaphragm detection system as claimed in claim 2, it is characterized in that, this liquid crystal cell is automatically controlled or magnetic control, to change liquid crystal orientation.
4. lamination diaphragm detection system as claimed in claim 2, is characterized in that, the offset R of this liquid crystal cell
0for 0nm to 180nm.
5. lamination diaphragm detection system as claimed in claim 2, it is characterized in that, the liquid crystal of this liquid crystal cell is disc-like liquid crystal or rod-like liquid crystal.
6. lamination diaphragm detection system as claimed in claim 1, it is characterized in that, this lamination diaphragm detection system also comprises wheelwork, and this wheelwork is in order to change the relative angle of the absorption axle of this Polarizer of this detection Polarizer and this lamination diaphragm.
7. lamination diaphragm detection system as claimed in claim 1; it is characterized in that, this lamination diaphragm detection system also comprises flaw labeling device, and this flaw labeling device is electrically connected on this detecting element; and according to testing result, by flaw labeling this diaphragm in this lamination diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251878.2U CN204666996U (en) | 2015-04-23 | 2015-04-23 | Lamination diaphragm detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251878.2U CN204666996U (en) | 2015-04-23 | 2015-04-23 | Lamination diaphragm detection system |
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| CN204666996U true CN204666996U (en) | 2015-09-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589230A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Panel mark detection method and Mura compensation method for panel mark area |
| CN108273768A (en) * | 2018-02-09 | 2018-07-13 | 明基材料有限公司 | A kind of polaroid screening plant and screening technique |
| CN110703474A (en) * | 2019-10-30 | 2020-01-17 | 深圳市华星光电半导体显示技术有限公司 | Device and method for reworking polarizing plate |
| CN113844243A (en) * | 2020-10-12 | 2021-12-28 | 友达光电股份有限公司 | Light modulation system |
-
2015
- 2015-04-23 CN CN201520251878.2U patent/CN204666996U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589230A (en) * | 2016-03-09 | 2016-05-18 | 深圳市华星光电技术有限公司 | Panel mark detection method and Mura compensation method for panel mark area |
| CN105589230B (en) * | 2016-03-09 | 2018-10-26 | 深圳市华星光电技术有限公司 | The Mura compensation methodes in face plate indicia method for detecting and face plate indicia region |
| CN108273768A (en) * | 2018-02-09 | 2018-07-13 | 明基材料有限公司 | A kind of polaroid screening plant and screening technique |
| CN108273768B (en) * | 2018-02-09 | 2020-04-21 | 明基材料有限公司 | Polaroid screening device and method |
| CN110703474A (en) * | 2019-10-30 | 2020-01-17 | 深圳市华星光电半导体显示技术有限公司 | Device and method for reworking polarizing plate |
| CN113844243A (en) * | 2020-10-12 | 2021-12-28 | 友达光电股份有限公司 | Light modulation system |
| CN113844243B (en) * | 2020-10-12 | 2023-06-16 | 友达光电股份有限公司 | Dimming system |
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