CN100392378C - Method and device for detecting polyemid - Google Patents
Method and device for detecting polyemid Download PDFInfo
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- CN100392378C CN100392378C CNB031018491A CN03101849A CN100392378C CN 100392378 C CN100392378 C CN 100392378C CN B031018491 A CNB031018491 A CN B031018491A CN 03101849 A CN03101849 A CN 03101849A CN 100392378 C CN100392378 C CN 100392378C
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- alignment film
- test pieces
- inspecting
- film test
- sensing chamber
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Abstract
The present invention relates to a method and a device for detecting an oriented film. Firstly, a detecting piece of an oriented film is put in a detecting chamber; then, the detecting piece of the oriented film is atomized by a steam generator; next, the atomized detecting piece of the oriented film is irradiated by strong light; finally, the detecting piece of the oriented film is visually checking for detecting whether abnormal phenomena are generated on the surface of the detecting piece of the oriented film.
Description
Technical field
The invention relates to a kind of method and apparatus of inspecting alignment film, and particularly can directly inspect LCD (Liquid Crystal Display, the method and apparatus of alignment film LCD) in visual mode relevant for a kind of.
Background technology
Advantages such as LCD has that high image quality, volume are little, in light weight, low voltage drive, low consumpting power and applied range, therefore, be applied in medium and small Portable TV, mobile phone widely, shot with video-corder consumer electronics or computer products such as projector, mobile computer, desktop display and projection TV, and (Cathode Ray Tube CRT) becomes the main flow of display to replace cathode-ray tube (CRT) more gradually.
LCD mainly is made of two plate bases and the liquid crystal layer that is configured between the two substrates.And, usually (surface that contacts with liquid crystal layer) can dispose an alignment film respectively on the surface of two substrates, and be configured on the substrate alignment film go through one grind manufacture craft after, can form many grooves in its surface, thus, liquid crystal molecule just can be along the groove on the alignment film and orientation.Grinding manufacture craft about alignment film is as described below.
Shown in Figure 1, it illustrates the synoptic diagram of the grinding manufacture craft that is an alignment film.
Please refer to Fig. 1, utilize one to grind manufacture craft to form the method for many grooves on alignment film, a substrate 100 that at first will be formed with an alignment film 102 is placed in the grinder station.Afterwards, a roller bearing (Roller) 104 that utilizes grinder station to be grinding alignment film 102, and forms many grooves 106 in the surface of alignment film 102.
Usually alignment film is after grinding manufacture craft, step is carried out inspecting in the capital, with the position of inspecting the groove on the alignment film and length or the like conformance with standard whether all, and the surface of inspecting alignment film do not have other unusual pattern also simultaneously by mint-mark on alignment film.If have abnormal occurrence to produce owing to can find the lip-deep groove of alignment film in real time, or because of microparticle being arranged when causing unusual pattern to appear on the alignment film on the roller that grinds manufacture craft, the staff just can be according to unusual situation immediately to conduct a survey maintenance or do the adjustment of parameter of grinder station, subsequent product is impacted avoiding.
And the method for inspecting alignment film at present mostly is to utilize an optical review instrument to carry out the step of inspecting of alignment film.Yet this light kind is inspected instrument costliness very, and because known method of inspecting is to utilize optical instrument to inspect, therefore must carry out many instrumental correction contrapositions or the like trivial step.In addition, still do not have simple and easy at present and the effective visual apparatus and method for of inspecting, can judge the result after alignment film grinds fast.
Summary of the invention
Therefore, purpose of the present invention is exactly that a kind of method and apparatus of inspecting the alignment film of LCD is being provided, and to improve the known method and apparatus of inspecting alignment film comparatively expensive and comparatively loaded down with trivial details shortcoming is arranged.
Purpose of the present invention is exactly that a kind of method and apparatus of inspecting the alignment film of LCD is being provided, and can directly inspect alignment film fast in visual mode so that the personnel of inspecting to be provided.
The present invention proposes a kind of method of inspecting the alignment film of LCD, and the method at first is placed on an alignment film test pieces in one sensing chamber.Wherein, be coated with light tight, an airtight and opaque shady deal around this sensing chamber, so that extraneous light and interference in air flow are blocked outside.And the alignment film test pieces had been gone through a grinding manufacture craft, therefore had been formed with many grooves on the surface of alignment film test pieces.Then, with alignment film test pieces atomizing, the method utilization of the alignment film test pieces that wherein atomizes is placed on this alignment film test pieces on one steam generator, by steam that steam generator produced so that alignment film is atomized.Afterwards, utilize a strong illumination alignment film test pieces, and inspect directly on this alignment film test pieces table in visual mode whether abnormal occurrence is arranged, in other words, inspect whether conformance with standard of the length of the groove on the alignment film test pieces and spacing in visual mode, and whether the surface of inspecting the alignment film test pieces there is other unusual pattern indentation to exist.
The present invention proposes a kind of equipment of inspecting the alignment film of LCD, and it comprises a sensing chamber, a steaming device generator and a major light.Wherein, sensing chamber is made of a firm framework, and also is coated with light tight, an airtight and opaque shady deal around sturdy frame, so that extraneous light and interference in air flow are blocked outside.In addition, the steaming device generator is placed in the sensing chamber, and wherein an alignment film test pieces to be measured is placed on the steam generator, so that the steam that steam generator produced can atomize the alignment film test pieces.And major light is placed in the sensing chamber, and this alignment film test pieces of major light direct irradiation, and during whereby with auxiliary alignment film test pieces after inspecting atomizing in visual mode, whether the surface that can inspect out the alignment film test pieces easily has unusual phenomenon.
Method of inspecting the alignment film of LCD of the present invention, because it just can directly visually inspect whether unusual situation is arranged on the alignment film with after the alignment film atomizing under the irradiation of high light, therefore method of the present invention has quick and simple advantage.
The equipment of inspecting the alignment film of LCD of the present invention because it only needs steam generator and major light, and does not need expensive optical review instrument, and therefore more known to inspect equipment cheaply many.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, elaborate.
Description of drawings
Shown in Figure 1, it illustrates the synoptic diagram of the grinding manufacture craft that is an alignment film;
Fig. 2 is the equipment synoptic diagram of inspecting alignment film according to a preferred embodiment of the present invention;
Fig. 3 is a synoptic diagram of inspecting alignment film according to the mode with visual of a preferred embodiment of the present invention; And
Fig. 4 is the process flow diagram of inspecting alignment film according to a preferred embodiment of the present invention.
Indicate explanation
100: substrate 102: alignment film
104: roller 106: groove
200: sensing chamber 202: shady deal
204: steam generator 206: the alignment film test pieces
208: major light 210: power supply unit
Embodiment
Fig. 2 is the equipment synoptic diagram of inspecting alignment film according to a preferred embodiment of the present invention for it illustrates.
Please refer to Fig. 2, the checkout equipment of the alignment film of present embodiment comprises a sensing chamber 200, a steam generator 204 and a major light 208.
Wherein, sensing chamber 200 is made of a firm framework, and also is coated with a shady deal 202 around sturdy frame, and this shady deal 202 is light tight, an airtight and opaque black cloth curtain material, so that extraneous light and interference in air flow are blocked outside.
In addition, major light 208 is placed in the sensing chamber 200, and this alignment film test pieces 206 of major light 208 direct irradiations.And this major light 208 also is connected with power supply unit 210, in order to power supply to major light 208.
After utilizing these major light 208 irradiation alignment film test pieces 206, just can be directly inspect on the surface of the alignment film test pieces 206 after the atomizing in visual mode whether abnormal occurrence is arranged, and so-called abnormal occurrence for example is a whether conformance with standard of the length of the groove on the alignment film test pieces 206 and spacing, and whether the surface of alignment film test pieces 206 has other unusual pattern indentation to exist.As shown in Figure 3; alignment film test pieces 206 after the personnel of inspecting will atomize takes up directly and inspects in visual mode; because the groove on the alignment film test pieces 206 after the atomizing will obviously display; add the auxiliary of major light 208, the personnel that therefore inspect can be easily whether inspect out the groove on surface of alignment film test pieces 206 in visual mode unusual or other unusual indentation pattern generating arranged.
When if the personnel of inspecting find that there is abnormal occurrence on the surface of alignment film test pieces 206 really, then can adjust the parameter of grinding manufacture craft immediately according to unusual situation or carry out the maintenance and inspection work of grinder station, can not impacted to guarantee follow-up product.
Shown in Figure 4, it illustrates and is the process flow diagram of inspecting alignment film according to a preferred embodiment of the present invention.
Please refer to Fig. 4, utilize method of inspecting equipment of the present invention, at first an alignment film test pieces is placed in the sensing chamber (step 400) with the alignment film of inspecting LCD.Wherein, for example be to be coated with light tight, an airtight and opaque shady deal around this sensing chamber, so that extraneous light and interference in air flow are blocked outside.And this alignment film test pieces had been gone through one and had been ground manufacture craft, therefore had been formed with many grooves on the surface of alignment film test pieces.
Then, with alignment film test pieces atomizing (step 402), the method for the alignment film test pieces that wherein atomizes for example is that this alignment film test pieces is placed on the steam generator, by steam that steam generator produced so that alignment film is atomized.
Afterwards, utilize a strong illumination alignment film test pieces (step 404).Directly inspect alignment film test pieces (step 406) again in visual mode, in other words, after with the alignment film test pieces after the strong illumination atomizing, just can be directly inspect on the surface of this alignment film test pieces in visual mode whether abnormal occurrence is arranged, for example inspect whether conformance with standard of the length of the groove on the alignment film test pieces and spacing, and whether the surface of inspecting the alignment film test pieces there is other unusual pattern indentation to exist.
If in step 406, when there is abnormal occurrence on the surface of discovery alignment film test pieces really, then can adjust the parameter of grinding manufacture craft immediately according to unusual situation or carry out the maintenance and inspection work of grinder station, can not be affected to guarantee follow-up product.
Therefore, the method and apparatus of inspecting the alignment film of LCD of the present invention, because it is with after the atomizing of alignment film test pieces, under the irradiation of high light, just can directly visually inspect whether unusual situation is arranged on the alignment film, therefore the present invention is a kind of simple and easy and visual fast inspection method and equipment, and it has quick and simple advantage is arranged.
The method and apparatus of inspecting the alignment film of LCD of the present invention because it only needs steam generator and major light, and does not need expensive optical review instrument, so the present invention is more known, and to inspect apparatus and method for cheaply many.
Claims (15)
1. method of inspecting alignment film is characterized in that: comprising:
One alignment film test pieces is placed in the sensing chamber;
With this alignment film test pieces atomizing;
With this alignment film test pieces of strong illumination; And
Whether the surface of inspecting this alignment film test pieces has abnormal occurrence.
2. method of inspecting alignment film as claimed in claim 1 is characterized in that: this alignment film test pieces has lived through one and has ground manufacture craft.
3. method of inspecting alignment film as claimed in claim 1 is characterized in that: this sensing chamber blocks extraneous light and interference in air flow outside.
4. method of inspecting alignment film as claimed in claim 1 is characterized in that: utilize shady deal shielding to live around this sensing chamber.
5. method of inspecting alignment film as claimed in claim 4 is characterized in that: this shady deal is light tight, an airtight and opaque black cloth curtain material.
6. method of inspecting alignment film as claimed in claim 1 is characterized in that: the method for this alignment film test pieces that atomizes utilizes steam that a steaming device generator produced with this alignment film test pieces atomizing.
7. method of inspecting alignment film as claimed in claim 1 is characterized in that: utilize this alignment film test pieces of a major light direct irradiation with the method for this alignment film test pieces of strong illumination.
8. method of inspecting alignment film as claimed in claim 1 is characterized in that: inspect the method whether abnormal occurrence is arranged on this alignment film test pieces table and directly utilize visual method to judge.
9. method of inspecting alignment film as claimed in claim 1, it is characterized in that: inspect this step whether abnormal occurrence is arranged on this alignment film test pieces table and comprise whether trench length and the groove position of inspecting this alignment film test pieces surface be unusual, and whether the surface of inspecting this alignment film test pieces has unusual pattern to produce.
10. method of inspecting alignment film as claimed in claim 1 is characterized in that: if the result that inspects of this alignment film test pieces is unusual, then adjusts the manufacture craft parameter or carry out maintenance and inspection work according to its unusual situation.
11. an equipment of inspecting alignment film is characterized in that: comprising:
One sensing chamber;
One steaming device generator is configured in this sensing chamber, and wherein an alignment film test pieces to be measured is placed on this steam generator; And
One major light is configured in this sensing chamber, wherein this alignment film test pieces to be measured of this major light direct irradiation.
12. the equipment of inspecting alignment film as claimed in claim 11 is characterized in that: this sensing chamber blocks extraneous light and interference in air flow outside.
13. the equipment of inspecting alignment film as claimed in claim 11 is characterized in that: this sensing chamber is made of a firm framework, and covers a shady deal around this sturdy frame.
14. the equipment of inspecting alignment film as claimed in claim 13 is characterized in that: this shady deal is light tight, an airtight and opaque black cloth curtain material.
15. the equipment of inspecting alignment film as claimed in claim 11 is characterized in that: also comprise a power supply unit, give this steam generator and this major light in order to power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031018491A CN100392378C (en) | 2003-01-22 | 2003-01-22 | Method and device for detecting polyemid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031018491A CN100392378C (en) | 2003-01-22 | 2003-01-22 | Method and device for detecting polyemid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1519559A CN1519559A (en) | 2004-08-11 |
| CN100392378C true CN100392378C (en) | 2008-06-04 |
Family
ID=34281481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031018491A Expired - Fee Related CN100392378C (en) | 2003-01-22 | 2003-01-22 | Method and device for detecting polyemid |
Country Status (1)
| Country | Link |
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| CN (1) | CN100392378C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798993A (en) * | 2011-05-24 | 2012-11-28 | 广西钦州天山微电子有限公司 | Method and device for detecting liquid crystal display (LCD) directional grinding equipment |
| CN104317077B (en) * | 2014-10-22 | 2017-08-25 | 合肥京东方光电科技有限公司 | A kind of alignment films detection machine |
| CN107255875B (en) * | 2017-08-17 | 2020-04-24 | 京东方科技集团股份有限公司 | Alignment detection method and alignment detection device |
| CN108036725B (en) * | 2017-12-01 | 2021-06-04 | 信利（惠州）智能显示有限公司 | Method and device for detecting rubbing alignment film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10111237A (en) * | 1996-10-07 | 1998-04-28 | Hitachi Ltd | Manufacture of liquid crystal display device, method and apparatus for optical inspection |
| JP2000111857A (en) * | 1998-10-05 | 2000-04-21 | Matsushita Electric Ind Co Ltd | Method for evaluating liquid crystal display device |
| US6097462A (en) * | 1996-08-22 | 2000-08-01 | Sony Corporation | Defect compensation method and apparatus for liquid crystal display apparatus |
| JP2002090745A (en) * | 2000-09-14 | 2002-03-27 | Rikogaku Shinkokai | Method for evaluating alignment film and test body for function of alignment treatment |
| CN1374552A (en) * | 2001-03-14 | 2002-10-16 | 株式会社日立制作所 | Method for producing liquid crystal display elements and its producing apparatus thereof, and liquid crystal display device |
-
2003
- 2003-01-22 CN CNB031018491A patent/CN100392378C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097462A (en) * | 1996-08-22 | 2000-08-01 | Sony Corporation | Defect compensation method and apparatus for liquid crystal display apparatus |
| JPH10111237A (en) * | 1996-10-07 | 1998-04-28 | Hitachi Ltd | Manufacture of liquid crystal display device, method and apparatus for optical inspection |
| JP2000111857A (en) * | 1998-10-05 | 2000-04-21 | Matsushita Electric Ind Co Ltd | Method for evaluating liquid crystal display device |
| JP2002090745A (en) * | 2000-09-14 | 2002-03-27 | Rikogaku Shinkokai | Method for evaluating alignment film and test body for function of alignment treatment |
| CN1374552A (en) * | 2001-03-14 | 2002-10-16 | 株式会社日立制作所 | Method for producing liquid crystal display elements and its producing apparatus thereof, and liquid crystal display device |
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| Publication number | Publication date |
|---|---|
| CN1519559A (en) | 2004-08-11 |
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Granted publication date: 20080604 Termination date: 20210122 |