CN102636460A - Glass substrate detection system and method for plasma display - Google Patents
Glass substrate detection system and method for plasma display Download PDFInfo
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- CN102636460A CN102636460A CN2012101088858A CN201210108885A CN102636460A CN 102636460 A CN102636460 A CN 102636460A CN 2012101088858 A CN2012101088858 A CN 2012101088858A CN 201210108885 A CN201210108885 A CN 201210108885A CN 102636460 A CN102636460 A CN 102636460A
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Abstract
The invention discloses a glass substrate detection system for a plasma display, comprising an emission device, a receiving device and a processing device, wherein the emission device is used for emitting a detection signal to a surface to be detected of the glass substrate; the receiving device is used for collecting a detection signal reflected by the surface to be detected; and the processing device is used for judging and distinguishing a tin surface and a tin-free surface of the glass substrate according to the reflected detection signal of the receiving device. The reflectivity rates of the tin surface and the tin-free surface of the glass substrate to the detected signal are different so that the tin surface and the tin-free surface can be distinguished according to the strength of the collected detected signal; therefore, the tin surface and the tin-free surface of the glass substrate can be distinguished. The detection system can simply and rapidly detect the glass substrate and can distinguish the tin surface and the tin-free surface of the glass substrate, so that the electrode reddening phenomenon caused by erroneously placing the tin surface and the tin-free surface of the glass substrate is avoided, thereby improving the finished product rate of electrode baking of a PDP (Plasma Display Panel) and reducing the production cost.
Description
Technical field
The present invention relates to plasma display manufacture craft technical field, more particularly, relates to a kind of plasma display with glass substrate detection system and method.
Background technology
Plasma display PDP (Plasma Display Panel) is so that the visual angle is wide, slim, image is undistorted, response speed is fast, the life-span is long, high-luminous-efficiency, high brightness, memory function, be not subject to electromagnetic interference (EMI), be prone to make advantages such as large scale screen and become the display of new generation after kinescope CRT (Cathod Ray Tube), LCD LCD (Liquid Crystal Display); And belong to the active illuminating device; It can the same rich color with CRT; But more be applicable to large screen display than CRT; Simultaneously aspect display effect, be superior to LCD again greatly, become the outstanding person who realizes that high-definition large-screen shows.
The main carrier of PDP is special glass substrate, and the reverse side of said glass substrate has one deck tin film through the float glass process preparation.It has tin face and Wuxi face as broad as long in appearance, so be difficult to intuitively to judge and distinguish two surfaces through observing.Will the generating electrodes rutilism if said glass substrate has tin face and Wuxi face to place mistake when carrying out the electrode burning process, cause the failure of making.
It is current that effective method or device be used to detect glass substrate that tin face and Wuxi face arranged carrying out not having when PDP produces, thus develop a kind of plasma display with glass substrate detection system and/or method be PDP production raising yield rate, problem demanding prompt solution reduces production costs.
Summary of the invention
For solving the problems of the technologies described above; The present invention provides a kind of plasma display with glass substrate detection system and method; This pick-up unit can fast detecting distinguish plasma display with glass substrate tin face and Wuxi face arranged, thereby improved yield rate, reduced production cost.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of plasma display is used glass substrate detection system, and this system comprises:
A kind of plasma display is used glass substrate detection system, and this system comprises:
Emitter, said emitter is to the surface launching detection signal to be detected of said glass substrate;
Receiving trap, said receiving trap is used to gather the detection signal of said to be detected reflection;
Treating apparatus, said treating apparatus according to the reflection of said receiving trap collection after detection signal judge to distinguish said glass substrate tin face and Wuxi face arranged.
Preferably, in the said system, said emitter is an actinolyte.
Preferably, in the said system, said receiving trap is ultraviolet receiver.
Preferably, in the said system, said treating apparatus is the photoelectric commutator that can numeral shows, the electric signal that converts correspondence with it in order to the detection signal after the reflection that will gather into is to characterize the intensity of the detection signal after the said reflection.
Preferably, in the said system, said system also comprises:
With the processor that said photoelectric commutator is connected, the said glass substrate of standard value comparison automatic distinguishing of intensity electric signal and its storage of said processor through said photoelectric commutator will being characterized the detection signal after the said reflection tin face and Wuxi face arranged.
The present invention also provides a kind of plasma display to use the glass substrate detection method, and this method comprises:
Surface launching detection signal to be detected to said glass substrate;
Gather through the detection signal after said to be detected the reflection;
According to the reflected signal of gathering judge distinguish said glass substrate tin face and Wuxi face arranged.
Preferably, in the said method, said detection signal is a UV signal.
Can find out that from technique scheme plasma display provided by the present invention comprises with glass substrate detection system: emitter, said emitter is to the surface launching detection signal to be detected of said glass substrate; Receiving trap, said receiving trap is used to gather the detection signal of said to be detected reflection; Treating apparatus, said treating apparatus according to the reflection detection signal of said receiving trap collection judge distinguish said glass substrate tin face and Wuxi face arranged.Detection system according to the invention is when detecting glass substrate to be measured; Launch the detection signal of certain intensity by emitter; Through after said to be detected the reflection by said receiving trap collection; Because said glass substrate has the tin face different in the face of the reflectivity of detection signal with the Wuxi; Promptly the intensity of reflection back detection signal is different, so treating apparatus can judge that said to be detected still is the Wuxi face for the tin face is arranged according to the intensity of the detection signal of said receiving trap collection, thereby distinguish said glass substrate tin face and Wuxi face arranged.Therefore; Said detection system can detect said glass substrate simply fast; Distinguish it tin face and Wuxi face are arranged; Avoided because glass substrate has tin face and Wuxi face to place the electrode rutilism that mistake causes, carried out the yield rate of electrode when firing, reduced production cost thereby improved PDP.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the said plasma display of the embodiment of the invention with glass substrate detection system;
Fig. 2 is the method flow synoptic diagram of the said plasma display of the embodiment of the invention with the glass substrate detection method.
Embodiment
Said as the background technology part, plasma display has tin face and Wuxi face as broad as long in appearance with glass substrate, so be difficult to intuitively to judge and distinguish two surfaces through observing.It is current that effective method or device be used to detect glass substrate that tin face and Wuxi face arranged carrying out not having when PDP produces, thus develop a kind of plasma display with glass substrate detection system and/or method be PDP production raising yield rate, problem demanding prompt solution reduces production costs.
Though tin face and Wuxi face are arranged and can be convenient to differentiate said substrate through on said glass substrate, making marks; But guarantee the clean and tidy etc. of said substrate production cost, surface; The realization of this method increases the glass substrate production technology; Reduce production efficiency, thereby increase the use cost of glass substrate.So existing PDP technology is carrying out generally not adopting the above-mentioned method that makes marks when PDP produces, and only through simple production management, what the glass substrate after the float glass process manufacturing was soon unified puts, as the unified placement up of tin face or unified towards held will be arranged.But, on the one hand, because operational issue, can not guarantee that all substrates all correctly put according to management method; On the other hand, the glass substrate after can not guaranteeing to check after the quality restriction of the float glass process glass substrate client operational phase of producing correctly puts according to management method.
Glass substrate is being carried out electrode when firing; If said glass substrate has tin face and Wuxi face to put incorrectly will to cause the electrode rutilism, thereby causes making failure, and the glass substrate of this moment can not reprocessed processing; Can only scrap; Cause yield rate not high, and wasted glass substrate, cause production cost too high.So, develop a kind of plasma display with glass substrate detection system and/or method be improve yield rate during PDP produces, problem demanding prompt solution reduces production costs.
The inventor discovers, plasma display with glass substrate its two surfaces of tin face and Wuxi face are arranged is different to the reflectivity of light.Promptly after the light incident of certain intensity, owing to there is the tin face different with the reflectivity of Wuxi face, the intensity level of the light reflected that receives is different.So, utilize the light of certain intensity to detect wire size one of them surface of incident (face to be detected), judge that according to the intensity of the light detecting signal after the reflection said face to be detected has tin face or Wuxi face then.
Based on above-mentioned research, the invention provides a kind of plasma display and use glass substrate detection system, this system comprises:
Emitter, said emitter is to the surface launching detection signal to be detected of said glass substrate;
Receiving trap, said receiving trap is used to gather the detection signal of said to be detected reflection;
Treating apparatus, said treating apparatus according to the reflection detection signal of said receiving trap collection judge distinguish said glass substrate tin face and Wuxi face arranged.
Plasma display according to the invention passes through an emitter emitting detection signal with glass substrate detection system; Then through the detection signal of receiving trap collection after through said glass baseplate surface to be detected reflection, the detection signal strength of treating apparatus after according to the reflection of gathering judge distinguish said glass substrate tin face and Wuxi face arranged.The reflectivity that tin face and Wuxi face are arranged of glass substrate as described above is different; After the detection signal incident of certain intensity; The intensity of the detection signal of two surface reflections is two different definite values, for the glass substrate of certain model, according to what the intensity of detection signal after the reflection just can be distinguished glass substrate to be detected tin face and Wuxi face is arranged; Promptly the intensity like the signal after said to be detected the reflection conforms to the theoretical reflection strength of this glass substrate to be detected; Then said to be detected for the tin face is arranged, otherwise then said to be detected is the Wuxi face.It is thus clear that said detection system realizes simple, that can distinguish glass substrate to be detected fast has tin face and a Wuxi face, because glass substrate has had tin face and Wuxi face to place the production that mistake causes fails, has improved yield rate when having avoided PDP to produce; Reduce glass substrate simultaneously owing to make the consumption of failure, reduced production cost; And said system realizes simple, and it is lower to detect cost.
The present invention also provides a kind of plasma display to use the glass substrate detection method, and this method comprises:
Surface launching detection signal to be detected to said glass substrate;
Gather through the detection signal after said to be detected the reflection;
According to the reflected signal of gathering judge distinguish said glass substrate tin face and Wuxi face arranged.
Plasma display according to the invention is with a surface (face to be detected) of the said glass substrate of detection signal incident of the certain intensity of glass substrate detection method utilization; Detection signal according to after the reflection judges that said face to be detected has tin face or Wuxi face; That can distinguish glass substrate fast has tin face and a Wuxi face; Improve the yield rate that PDP produces, reduced cost; Simultaneously, implementation is simple, and it is lower to detect cost.
It more than is the application's core concept; To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention carried out clear, intactly description, obviously; Described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
A lot of details have been set forth in the following description so that make much of the present invention; But the present invention can also adopt other to be different from alternate manner described here and implement; Those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed specific embodiment.
Secondly, the present invention combines synoptic diagram to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The sectional view of indication device spare structure can be disobeyed general ratio and done local the amplification, and said synoptic diagram is example, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and height.
Embodiment one
Based on above-mentioned thought, present embodiment provides a kind of plasma display to use glass substrate detection system, and with reference to figure 1, said detection system comprises: actinolyte 1, ultraviolet receiver 3, photoelectric commutator 4.Wherein, said photoelectric commutator 4 can numeral show.
Said plasma display with glass substrate detection system when peeling off the substrate detection zone and divide it that tin face and Wuxi face are arranged; At first through the UV detection signal of said actinolyte 1 to the certain intensity of surface launching to be detected of glass substrate to be detected; Gather through the detection signal after said to be detected the reflection through ultraviolet receiver 3 then; And send the detection signal after the reflection of being gathered to said photoelectric commutator 4; The detection signal of said photoelectric commutator 4 after according to said reflection is converted into corresponding with it electric signal and shows, characterizes the intensity level of said detection signal through said electric signal.
As above-mentioned; Plasma display is different with the tin face that has of glass substrate with the reflectivity of Wuxi face; Special; Tin face and Wuxi face are arranged, and it is bigger to ultraviolet reflectivity difference, and the UV detection signal through certain intensity shines glass substrate to be detected, and the detection signal strength after the reflection is two and differs bigger definite value.So; According to what the intensity of detection signal after the reflection can be distinguished said glass substrate tin face and Wuxi face arranged; The detection signal strength that is about to after the reflection has the standard value comparison after tin face and the theoretic reflection of Wuxi face with said substrate respectively; If with the standard value approximately equal that the tin face is arranged then for the tin face is arranged, if identical with the standard value of Wuxi face then be the Wuxi face.In practical operation, only need carry out once relatively get final product, as with the standard value comparison that the tin face is arranged, identical then said to be detected for the tin face is arranged, otherwise be the Wuxi face.
Said detection system also comprises: the processor that is connected with said photoelectric commutator.Said processor storage inside has above-mentioned standard value, can with the said glass substrate of standard value comparison automatic distinguishing of the intensity electric signal that characterizes the detection signal after the said reflection and its storage tin face and Wuxi face arranged, thereby improved detection efficiency.
Can know through above-mentioned argumentation; The said plasma display of technical scheme of the present invention has tin face and a Wuxi face with what glass substrate detection system can be distinguished glass substrate to be detected fast; Because glass substrate has tin face and Wuxi face to place the wrong production failure that causes, improved yield rate when having avoided PDP to produce; Reduce glass substrate simultaneously owing to make the consumption of failure, reduced production cost; And said system realizes simple, and it is lower to detect cost.
Embodiment two
Based on above-mentioned thought, present embodiment provides a kind of ion glass substrate for display detection method, and with reference to figure 2, this method comprises:
Step S11: to the surface launching detection signal to be detected of said glass substrate.
Different in view of the reflectivity that has tin face and Wuxi to face light signal of said glass substrate, specifically the ultraviolet reflection rate there is evident difference.So present embodiment preferably adopts ultraviolet ray as detection signal, in the actual detected process, can be through the UV detection signal of an actinolyte to the certain intensity of surface launching to be detected of glass substrate to be detected.
Step S12: gather through the detection signal after said to be detected the reflection.
Corresponding with above-mentioned actinolyte, in this step, adopt the detection signal of a ultraviolet receiver collection through said to be detected thickness by reflection.
Step S13: according to the reflected signal of gathering judge distinguish said glass substrate tin face and Wuxi face arranged.
Can receive the detection signal after the reflection of above-mentioned collection through a photoelectric commutator; Be converted into it corresponding electric signal characterizing the intensity of said detection signal, tin face and Wuxi face arranged according to what said glass substrate was distinguished in the intensity size interpretation of said detection signal.Identical among concrete judgement differentiating method and the embodiment one.Equally, can adopt a processor to judge automatically, to improve detection efficiency.
The said plasma display of present embodiment is with a surface (face to be detected) of the said glass substrate of detection signal incident of the certain intensity of glass substrate detection method utilization; Detection signal according to after the reflection judges that said to be detected still is the Wuxi face for the tin face is arranged; That can distinguish glass substrate fast has tin face and a Wuxi face; Improve the yield rate that PDP produces, reduced cost; Simultaneously, implementation is simple, and it is lower to detect cost.
Need to prove; Be the preferred implementation that technical scheme of the present invention realizes as detection signal with the implementation that tin face and Wuxi face are arranged that realizes several classes in the said glass of differentiation just in the embodiment of the invention with ultraviolet ray; Be not unique implementation, can adopt other detection signals to judge other implementations that tin face and Wuxi face are arranged of distinguishing said glass substrate yet according to the size of the signal intensity after reflecting.To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.
Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a plasma display is used glass substrate detection system, it is characterized in that, comprising:
Emitter, said emitter is to the surface launching detection signal to be detected of said glass substrate;
Receiving trap, said receiving trap is used to gather the detection signal of said to be detected reflection;
Treating apparatus, said treating apparatus according to the reflection of said receiving trap collection after detection signal judge to distinguish said glass substrate tin face and Wuxi face arranged.
2. system according to claim 1 is characterized in that, said emitter is an actinolyte.
3. system according to claim 2 is characterized in that, said receiving trap is ultraviolet receiver.
4. according to the described system of claim, it is characterized in that said treating apparatus is the photoelectric commutator that can numeral shows, the electric signal that converts correspondence with it in order to the detection signal after the reflection that will gather into is to characterize the intensity of the detection signal after the said reflection.
5. system according to claim 4 is characterized in that, said system also comprises:
With the processor that said photoelectric commutator is connected, the said glass substrate of standard value comparison automatic distinguishing of intensity electric signal and its storage of said processor through said photoelectric commutator will being characterized the detection signal after the said reflection tin face and Wuxi face arranged.
6. a plasma display is used the glass substrate detection method, it is characterized in that, comprising:
Surface launching detection signal to be detected to said glass substrate;
Gather through the detection signal after said to be detected the reflection;
According to the reflected signal of gathering judge distinguish said glass substrate tin face and Wuxi face arranged.
7. method according to claim 6 is characterized in that, said detection signal is a UV signal.
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| CN2012101088858A CN102636460A (en) | 2012-04-13 | 2012-04-13 | Glass substrate detection system and method for plasma display |
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| CN2012101088858A CN102636460A (en) | 2012-04-13 | 2012-04-13 | Glass substrate detection system and method for plasma display |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721692A (en) * | 2012-06-19 | 2012-10-10 | 深圳市华星光电技术有限公司 | Detecting device for glass substrate cassette |
| CN103604391A (en) * | 2013-11-30 | 2014-02-26 | 新乡市天光科技有限公司 | Concave surface and convex surface detecting method and device of object with concave surface and convex surface being mirror reflection surfaces |
| CN103728318A (en) * | 2013-12-31 | 2014-04-16 | 深圳市金立通信设备有限公司 | Method, device and terminal for detecting cleanliness of screen |
| CN106706618A (en) * | 2016-12-09 | 2017-05-24 | 重庆市三星精艺玻璃股份有限公司 | Marking tool for producing laminated glass |
| CN106770239A (en) * | 2016-12-09 | 2017-05-31 | 重庆市三星精艺玻璃股份有限公司 | A kind of glass plate labeling method |
| CN106908454A (en) * | 2015-12-23 | 2017-06-30 | 昆山国显光电有限公司 | The testing equipment and method of substrate |
| CN112986154A (en) * | 2021-02-03 | 2021-06-18 | 重庆神华薄膜太阳能科技有限公司 | Float glass tin surface detection device and detection method |
| CN113039474A (en) * | 2018-11-20 | 2021-06-25 | 中央硝子株式会社 | Head-up display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046625A (en) * | 2006-03-31 | 2007-10-03 | Hoya株式会社 | Pattern defect inspection method, photomask manufacturing method, and display device substrate manufacturing method |
| CN201262614Y (en) * | 2008-08-05 | 2009-06-24 | 中国建筑材料科学研究总院 | Multifunctional zero energy consumption chilled glass detector |
| CN201653897U (en) * | 2010-04-30 | 2010-11-24 | 北京奥博泰科技有限公司 | Float glass tin surface verification instrument |
-
2012
- 2012-04-13 CN CN2012101088858A patent/CN102636460A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046625A (en) * | 2006-03-31 | 2007-10-03 | Hoya株式会社 | Pattern defect inspection method, photomask manufacturing method, and display device substrate manufacturing method |
| CN201262614Y (en) * | 2008-08-05 | 2009-06-24 | 中国建筑材料科学研究总院 | Multifunctional zero energy consumption chilled glass detector |
| CN201653897U (en) * | 2010-04-30 | 2010-11-24 | 北京奥博泰科技有限公司 | Float glass tin surface verification instrument |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721692A (en) * | 2012-06-19 | 2012-10-10 | 深圳市华星光电技术有限公司 | Detecting device for glass substrate cassette |
| CN102721692B (en) * | 2012-06-19 | 2015-11-25 | 深圳市华星光电技术有限公司 | The pick-up unit of glass substrate board box |
| CN103604391A (en) * | 2013-11-30 | 2014-02-26 | 新乡市天光科技有限公司 | Concave surface and convex surface detecting method and device of object with concave surface and convex surface being mirror reflection surfaces |
| CN103728318A (en) * | 2013-12-31 | 2014-04-16 | 深圳市金立通信设备有限公司 | Method, device and terminal for detecting cleanliness of screen |
| CN106908454A (en) * | 2015-12-23 | 2017-06-30 | 昆山国显光电有限公司 | The testing equipment and method of substrate |
| CN106706618A (en) * | 2016-12-09 | 2017-05-24 | 重庆市三星精艺玻璃股份有限公司 | Marking tool for producing laminated glass |
| CN106770239A (en) * | 2016-12-09 | 2017-05-31 | 重庆市三星精艺玻璃股份有限公司 | A kind of glass plate labeling method |
| CN106706618B (en) * | 2016-12-09 | 2019-03-05 | 重庆市三星精艺玻璃股份有限公司 | Marking tool is used in a kind of production of laminated glass |
| CN106770239B (en) * | 2016-12-09 | 2019-03-05 | 重庆市三星精艺玻璃股份有限公司 | A kind of glass plate labeling method |
| CN113039474A (en) * | 2018-11-20 | 2021-06-25 | 中央硝子株式会社 | Head-up display device |
| CN113039474B (en) * | 2018-11-20 | 2023-08-25 | 中央硝子株式会社 | Head-up display device |
| CN112986154A (en) * | 2021-02-03 | 2021-06-18 | 重庆神华薄膜太阳能科技有限公司 | Float glass tin surface detection device and detection method |
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Application publication date: 20120815 |