CN102645765A - Detection device - Google Patents
Detection device Download PDFInfo
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- CN102645765A CN102645765A CN2012101239171A CN201210123917A CN102645765A CN 102645765 A CN102645765 A CN 102645765A CN 2012101239171 A CN2012101239171 A CN 2012101239171A CN 201210123917 A CN201210123917 A CN 201210123917A CN 102645765 A CN102645765 A CN 102645765A
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Abstract
The invention relates to a detection device which is used for detecting the defects of a backlight module; the detection device comprises a test table, a base and a positioning device, wherein an upper cover and a test plate are arranged on the test table; the upper cover is of a frame structure, wherein the middle part of the frame structure is rectangular hollow; a display panel is arranged at the rectangular hollow part; the test plate is used for bearing the backlight module; the upper cover is in pivot connection with the test plate; the base is in pivot connection with the test plate; and the positioning device is used for fixing the test plate and the base at a selected angle. According to the device, the display panel for test is directly fixedly arranged on the test device; in detection, only the backlight module to be measured is changed continuously without consuming labor and working to assemble or disassemble, therefore, the detection time is reduced, the detection efficiency and effect are improved, and the service life of the display panel is effectively prolonged.
Description
Technical field
The present invention relates to a kind of pick-up unit, especially refer to a kind of pick-up unit that detects module defective backlight.
Background technology
The competition in LCD market at present is fierce all the more; Producer and consumer all have higher requirement to the quality of LCD; And module backlight is as the important component part of display, and its quality and yield directly have influence on the quality and the yield of finished LCD products.If can tackle fast and effectively, will help the quality of LCD and the lifting of yield to the quality of module backlight.
Usually, module backlight manufacturer only can tackle to some defectives of module backlight self.When having some slight stains or white point on the blooming piece of module backlight; If the ratio of defective products is higher; Then may cause the yield of module backlight low excessively, even occur producing the situation that line stops line, and some stain or white point are invisible after being assembled into the demonstration module with display panel; And do not have other risks, so then caused the waste of module backlight and production capacity; On the other hand, the quality of module sometimes backlight itself is no problem, but may form some defectives because of interference when using with display panel collocation, and is like this then reduced the yield of demonstration module.
How to formulate the testing mechanism of module backlight and display panel, become the key point that yield promotes, reduces cost.Existing way is, when detecting monomer module backlight, has slight white point or stain if find on the blooming piece; Then should module backlight and a slice display panel be assembled into the demonstration module; Judge then whether this demonstration module shows normally, after judgement finishes, should show again that module disassembled.Since constantly assemble and disassemble, the one, expended great amount of manpower, two cause breaking of display panel easily, thereby cause scrapping.
Summary of the invention
The object of the present invention is to provide a kind of pick-up unit, this pick-up unit can fast and effeciently detect module backlight, the life-span of the display panel that uses when prolonging test simultaneously.
In order to achieve the above object, the present invention proposes a kind of pick-up unit that is used to detect the defective of module backlight, and this pick-up unit comprises test board, pedestal and locating device.This test board comprises loam cake and test board, and this loam cake is middle part rectangle hollow frame structure, and this rectangle hollow out place is provided with a display panel, and this test board is used for carrying this module backlight, and this loam cake is articulated in this test board, and pedestal is articulated in this test board; Locating device is in order to be fixed in a selected angle with this test board and this pedestal.
As optional technical scheme; This test board has leading section and rearward end; The two ends of this rearward end are relatively set with first articulated section and second articulated section, and this first articulated section has first respectively with this second articulated section and articulates the through hole and the second pivot joint through hole, and cover back-end both sides are provided with first connecting rod and second connecting rod on this; This first connecting rod is movably connected in this first pivot joint through hole, and this second connecting rod is movably connected in this second pivot joint through hole.
As optional technical scheme; This first articulated section also comprises first nut, second nut, first screw rod and first articulated part; This first articulated part has this first pivot joint through hole and third through-hole; And being arranged in this first screw rod through this third through-hole, on this first screw rod, this first screw rod is fixedly connected on this test board in order to fixing this first articulated part for this first nut and this second nut; When regulating this first articulated part with respect to the position of this first screw rod, the space change between this loam cake and this test board.
As optional technical scheme, this locating device comprises this first pivot connecting plate, the 4th bolt and the 4th nut, and this first pivot connecting plate is connected in this test board; This pedestal comprises first support, and this first pivot connecting plate is provided with meniscate second slotted eye, and correspondence is provided with second guide hole on this first support; When this test board turns to this selected angle; The 4th bolt passes this second slotted eye and this second guide hole, cooperates with the 4th nut, and this test board is fixed on this pedestal.
As optional technical scheme; Also be provided with first through hole on this first pivot connecting plate; Correspondence is provided with second through hole on this first support, and this first through hole and this second through hole articulate through first axis, makes that this test board can be that rotate in the axle center with this first axis.
As optional technical scheme, the two ends of this leading section are respectively arranged with movable projection at least, and this movable this module backlight of projection restriction is on this test board.
As optional technical scheme, this movable projection has first slotted eye, has the 3rd slotted eye on this test board, and first bolt is arranged in this first slotted eye and the 3rd slotted eye.
As optional technical scheme, the inner edge of this movable projection is the L type.
As optional technical scheme, the inner edge turning point of this movable projection is provided with first indent.
As optional technical scheme, this leading section is provided with first fixed part, and this first fixed part comprises the 3rd articulated part, the 3rd nut and the 3rd screw rod; The 3rd screw rod is articulated in the 3rd articulated part; Cover correspondence on being somebody's turn to do and be provided with first breach, when this test board is closed, rotate the 3rd screw rod to this first indentation, there; Lock the 3rd nut, this loam cake and this test board are fixed.
The present invention directly is fixedly mounted on display panel on the proving installation; During detection; Only need constantly to change module backlight to be measured, do not need again labor intensive and operation to go to assemble and disassemble, effectively reduce detection time; Improve detection efficiency and effect, and prolonged the serviceable life of the display panel that uses when testing.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Synoptic diagram when Fig. 1 opens for pick-up unit in the embodiment of the invention;
Fig. 2 is the synoptic diagram when pick-up unit is closed in the embodiment of the invention;
Fig. 3 is the synoptic diagram of first articulated section among Fig. 1;
Fig. 4 is the synoptic diagram of movable projection among Fig. 1;
Fig. 5 A is the synoptic diagram of first fixed part among Fig. 1;
Fig. 5 B is the synoptic diagram when first fixed part locks among Fig. 5 A;
Fig. 6 A is the synoptic diagram of locating device among Fig. 1;
Fig. 6 B is the synoptic diagram of first support among Fig. 6 A.
Embodiment
Please refer to Fig. 1 and Fig. 2, the synoptic diagram when Fig. 1 opens for pick-up unit in the embodiment of the invention, Fig. 2 are the synoptic diagram when pick-up unit is closed in the embodiment of the invention.Pick-up unit 1 comprises test board 1000, pedestal 2000 and locating device 3000.Test board 1000 comprises loam cake 1100 and test board 1200, and loam cake 1100 is middle part rectangle hollow frame structure 1120, and this rectangle hollow out place is installed with a display panel 1110; Test board 1200 is used to carry module backlight to be measured, and loam cake 1100 is articulated in this test board 1200.Pedestal 2000 is articulated in this test board 1200, and 3000 of locating devices are used for this test board 1200 and this pedestal 2000 are fixed in a selected angle.
Please refer to Fig. 3, Fig. 3 is the synoptic diagram of first articulated section among Fig. 1.Test board 1200 has leading section and rearward end; The two ends of this rearward end are relatively set with first articulated section 1210 and second articulated section 1250; This first articulated section 1210 has first and articulates through hole 1215; This both sides, loam cake 1100 rear end correspondence is provided with first connecting rod 1121 and second connecting rod (not shown), and first connecting rod 1121 is movably connected in this first pivot joint through hole 1215.Similarly, this second articulated section 1220 has second and articulates the through hole (not shown), and this second connecting rod is movably connected in this second pivot joint through hole.After first connecting rod 1121 was movably connected with first articulated section 1210 and second articulated section 1250 respectively with second connecting rod, loam cake 1100 can be that rotate in the axle center with first connecting rod 1121.
In addition, this first articulated section 1210 also comprises first nut 1211, second nut 1212, first articulated part 1213 and first screw rod 1214.This first screw rod 1214 is fixedly connected on this test board 1200; This first articulated part 1213 has the third through-hole (not shown); This first screw rod 1214 is arranged in this first articulated part 1213 through this third through-hole, utilizes first nut 1211 and second nut 1212 that this first articulated part 1213 is fixed on this first screw rod 1214 simultaneously.So the structural similarity of second articulated section 1220 and first articulated section 1210 is ineffective giving unnecessary details.When this first articulated part 1213 of needs adjustment during with respect to the position of this first screw rod 1214; First nut 1211 and first nut 1212 are unscrewed; On this first screw rod 1214, move up and down this first articulated part 1213 again and arrive desired location, again first nut 1211 and second nut 1212 are tightened.Because this loam cake 1100 is articulated in this first articulated part 1213; When first articulated part 1213 during with respect to the position change of this first screw rod 1214; The gap that this loam cake 1100 and this test board are 1200 changes thereupon, thereby makes this proving installation 1 can hold the module to be measured backlight of different-thickness.
Please be simultaneously with reference to figure 1, Fig. 4, Fig. 4 is the synoptic diagram of movable projection among Fig. 1.In present embodiment; Four corners of test board 1200 are respectively arranged with movable projection 1220; This movable projection 1220 can be limited to module backlight on this test board 1200; When test board 1200 rotates, because the restriction of movable projection 1220 makes this module backlight to be measured can not drop from this test board 1200.In other embodiment; The quantity of movable projection 1220 and the position of setting are looked actual needs and are decided; Not as limit, for example, can be respectively arranged with movable projection 1220 in the both sides of test board 1200 front ends; Or can be provided with movable projection 1220 respectively in 1,200 two places, diagonal angle of test board, as long as can module backlight to be measured be fixed on the test board 1200.As shown in Figure 4, this movable projection 1220 has body 1221.Body 1221 is provided with first slotted eye 1222, and correspondence is provided with cooperating of the 3rd slotted eye 1225, the first bolts 1223 and a nut (not shown) on the test board 1200, should be locked on this test board 1200 by movable projection 1220.When testing the module backlight of different size; Earlier first bolt 1223 is unclamped; The module backlight that this is to be measured is positioned on this test board 1200, adjusts the relative position of 1220 of these four movable projections, makes the space of movable projection 1220 restrictions and module backlight to be measured be complementary; First bolt 1223 is locked again, so design makes this test board 1200 can be applicable to the test of the module backlight of different size again.In the present embodiment; The inner edge of movable projection 1220 is the L type; To mate with the outer rim of module backlight corner, simultaneously, the inner edge turning point of this movable projection 1220 is provided with first indent 1224; In order to avoid four jiaos of module backlight directly to contact with the inner edge turning points of movable projection 1220, prevent four jiaos of module backlight in the operating process clashed into and cause being out of shape or inner member impaired.
Usually; In order to guarantee the display effect after module backlight and display panel 1110 make up; The size of display panel 1110 needs to be complementary with the size of module light-emitting zone backlight to be measured, and in order to increase the usable range of pick-up unit 1, can loam cake 1100 be designed to change the structure of rectangle hollow out size; When detecting different size module backlight, display panel 1110 is replaced by getting final product of corresponding size.
In the practical operation; Because display panel 1110 is equivalent to a thickness and is about the glass about 1mm; Breakage takes place in the installing/dismounting process easily, in order to reduce this type breakage, can limit the display panel 1110 of 1 a kind of size of fixed installation of a pick-up unit; Then the size of the light-emitting zone of 1 module backlight that can test of this pick-up unit also has only a kind of; But the substantial periphery size of light-emitting zone module backlight same or similar in size is not necessarily identical, and the design of movable projection 1220 makes same test board 1200 can carry the module backlight of different Outside Dimensions, and the usable range of test board 1200 is broadened.
Please refer to Fig. 5 A and Fig. 5 B, Fig. 5 A is the synoptic diagram of first fixed part among Fig. 1, and Fig. 5 B is the synoptic diagram when first fixed part locks among Fig. 5 A.The leading section of this test board 1200 is provided with first fixed part 1230, and in the present embodiment, this first fixed part 1230 is positioned at the centre position of this leading section, but not as limit.This first fixed part 1230 has the 3rd articulated part 1231, the 3rd screw rod 1232 and the 3rd nut 1233.The 3rd screw rod 1232 is articulated in the 3rd articulated part 1231; Position corresponding to this first fixed part 1230 on this loam cake 1100 is provided with first breach 1122, when test board 1000 closures, rotates the 3rd screw rod 1232 to these first breach, 1122 places; Again the 3rd nut 1233 is tightened; Thereby this loam cake 1100 is fixing with this test board 1200, and loam cake 1100 rocks when preventing to test, and guarantees to detect effect.
Please refer to Fig. 6 A and Fig. 6 B, Fig. 6 A is the synoptic diagram of locating device among Fig. 1, and Fig. 6 B is the synoptic diagram of first support among Fig. 6 A.This locating device 3000 comprises first pivot connecting plate 1240, the 4th bolt 1243 and the 4th nut.This first pivot connecting plate 1240 is connected in test board 1200, and pedestal 2000 also comprises first support 2100.It is crescent that this first pivot connecting plate 1240 is provided with second slotted eye, 1242, the second slotted eyes 1242.First support 2100 is provided with second guide hole 2102; When angle is selected in these test board 1200 relative these pedestals 2000 rotations one; The 4th bolt 1243 passes this second slotted eye 1242 and this second guide hole 2102; And cooperate with the 4th nut, this test board 1200 is fixed on this pedestal 2000.This first pivot connecting plate 1240 can be one-body molded with this test board 1200, also can be fixedly connected with this test board 1200 through modes such as screw or welding, not as limit.
In addition; This first pivot connecting plate 1240 is provided with first through hole 1241; Correspondence is provided with second through hole 2101 on this first support, and this first through hole 1241 articulates through first axis 1244 with this second through hole 2101, makes that this test board 1000 can be that rotate in the axle center with this first axis 1244.In the test process, the different viewing angle that sometimes needs in order to reduce operating personnel's movement range, makes things convenient for its operation, can realize through the relative angle of adjusting 2000 of test board 1000 and pedestals.Again because second slotted eye 1242 is a crescent; When test board 1000 rotates with respect to this pedestal 2000; The angular range that test board 1000 rotates will be limited in the two ends of this second slotted eye 1242; Make test board 1000 only in the required angle of test, rotate, the radian of second slotted eye 1242 can be adjusted according to actual needs.
In other embodiment; To adopt being connected of test board 1000 and pedestal 2000 connected mode of display screen and keyboard on the similar laptop computer; Be about to test board 1000 and constitute hinge with pedestal 2000; Rotate test board 1000 during use to required angle, rely on the friction force restriction, test board 1000 is fixed in this angle.Or, utilize torsion spring (the for example employed structure of the clockwork spring of clock) to realize test board 1000 is turned to required angle, be fixed in this angle again.The connected mode of test board 1000 and pedestal 2000 can be adjusted design according to actual needs, not as limit.
Use as the step 1 of this pick-up unit 1 as follows:
(1) adjusts the position of this movable projection 1220, first articulated part 1213 and the second articulated part (not shown), so that a module backlight to be measured is positioned on this test board 1200;
(2) this module backlight to be measured is carried out the connection of circuit (not shown);
(3) rotate this loam cake 1100, make this test board 1000 closures;
(4) rotate the 3rd screw rod 1232, tighten the 3rd nut 1233, make this loam cake 1100 fixing with this test board 1200;
(5) the line power (not shown) is opened, begun test, if need the adjustment angle, then unclamp the 4th nut (not shown), and this test board 1200 is turned to this angle, during detection again with the 4th nut screwing clamping.
Because display panel 1100 is fixed on the test board 1000; When a slice module test backlight finishes, only need line power is closed, open test board 1000; Module backlight is replaced by down a slice module backlight to be measured fast to get final product; Need display panel 1100 and each sheet module backlight to be measured not assembled repeatedly and disassemble, make display panel 1100 be effectively protected, prolong the serviceable life of display panel 1100; Simultaneously owing to each sheet module backlight all with after the display panel collocation detects; Both can guarantee that module shipment backlight that module backlight factory can be not bad with some was to showing module assembly plant; Can avoid too harsh again because of blocking inspection; Cause the yield of module backlight factory low excessively, thereby reached the effect that reduces cost.
In addition,, can reduce tester's movement range, make things convenient for its operation owing to test board 1000 pedestal 2000 rotations relatively.
The present invention directly is fixedly mounted on display panel on the proving installation, during detection, only needs constantly to change module backlight to be measured; Do not need again labor intensive and operation to go to assemble and disassemble; Effectively reduce detection time, improved detection efficiency and effect, and prolonged the serviceable life of display panel.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. pick-up unit is used to detect the defective of module backlight, it is characterized in that this pick-up unit comprises:
Test board, this test board comprises:
Loam cake is middle part rectangle hollow frame structure, and this rectangle hollow out place is provided with a display panel, and
Test board is used for carrying this module backlight, and this loam cake is articulated in this test board,
Pedestal is articulated in this test board; And
Locating device is in order to be fixed in a selected angle with this test board and this pedestal.
2. pick-up unit according to claim 1; It is characterized in that: this test board has leading section and rearward end; The two ends of this rearward end are relatively set with first articulated section and second articulated section, and this first articulated section has first respectively with this second articulated section and articulates the through hole and the second pivot joint through hole, and cover back-end both sides are provided with first connecting rod and second connecting rod on this; This first connecting rod is movably connected in this first pivot joint through hole, and this second connecting rod is movably connected in this second pivot joint through hole.
3. pick-up unit according to claim 2; It is characterized in that: this first articulated section also comprises first nut, second nut, first screw rod and first articulated part; This first articulated part has this first pivot joint through hole and third through-hole; And being arranged in this first screw rod through this third through-hole, on this first screw rod, this first screw rod is fixedly connected on this test board in order to fixing this first articulated part for this first nut and this second nut; When regulating this first articulated part with respect to the position of this first screw rod, the space change between this loam cake and this test board.
4. pick-up unit according to claim 1; It is characterized in that: this locating device comprises first pivot connecting plate, the 4th bolt and the 4th nut, and this first pivot connecting plate is connected in this test board, and this pedestal also comprises first support; This first pivot connecting plate is provided with meniscate second slotted eye; Correspondence is provided with second guide hole on this first support, and when this test board turned to this selected angle, the 4th bolt passed this second slotted eye and this second guide hole; Cooperate with the 4th nut, this test board is fixed on this pedestal.
5. pick-up unit according to claim 4; It is characterized in that: also be provided with first through hole on this first pivot connecting plate; Correspondence is provided with second through hole on this first support; This first through hole and this second through hole articulate through first axis, make that this test board can be that rotate in the axle center with this first axis.
6. pick-up unit according to claim 2 is characterized in that: the two ends of this leading section are respectively arranged with movable projection at least, and this movable this module backlight of projection restriction is on this test board.
7. pick-up unit according to claim 6 is characterized in that: this movable projection has first slotted eye, and correspondence is provided with the 3rd slotted eye on this test board, and first bolt is arranged in this first slotted eye and the 3rd slotted eye.
8. pick-up unit according to claim 6 is characterized in that: the inner edge of this movable projection is the L type.
9. pick-up unit according to claim 8 is characterized in that: the inner edge turning point of this movable projection is provided with first indent.
10. pick-up unit according to claim 2 is characterized in that: this leading section is provided with first fixed part, and this first fixed part comprises the 3rd articulated part, the 3rd nut and the 3rd screw rod; The 3rd screw rod is articulated in the 3rd articulated part; Cover correspondence on being somebody's turn to do and be provided with first breach, when this test board is closed, rotate the 3rd screw rod to this first indentation, there; Lock the 3rd nut, this loam cake and this test board are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123917.1A CN102645765B (en) | 2012-04-26 | 2012-04-26 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123917.1A CN102645765B (en) | 2012-04-26 | 2012-04-26 | Detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102645765A true CN102645765A (en) | 2012-08-22 |
| CN102645765B CN102645765B (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210123917.1A Expired - Fee Related CN102645765B (en) | 2012-04-26 | 2012-04-26 | Detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102645765B (en) |
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| CN104834114A (en) * | 2015-05-15 | 2015-08-12 | 武汉精测电子技术股份有限公司 | Opencell screen detection device |
| CN106840605A (en) * | 2017-01-17 | 2017-06-13 | 武汉华星光电技术有限公司 | Detection means and monitor station |
| CN106932935A (en) * | 2017-05-17 | 2017-07-07 | 锦湖光电(深圳)有限公司 | Backlight check device |
| CN107783321A (en) * | 2016-08-24 | 2018-03-09 | 神讯电脑(昆山)有限公司 | LCDs detection means and its method |
| CN112985765A (en) * | 2021-02-05 | 2021-06-18 | 南京创维平面显示科技有限公司 | Display assembly line and assembly and warehousing method based on same |
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| CN101858577A (en) * | 2009-04-08 | 2010-10-13 | 鸿富锦精密工业（深圳）有限公司 | Fixing jig of back light module |
| CN201944503U (en) * | 2010-12-30 | 2011-08-24 | 天津市通卡公用网络***有限公司 | Support with rotatable angle |
| CN102253511A (en) * | 2011-08-01 | 2011-11-23 | 友达光电（苏州）有限公司 | Panel test fixture and method for cleaning same |
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| CN1580800A (en) * | 2003-08-05 | 2005-02-16 | 奇美电子股份有限公司 | Multifunctional detecting platform for liquid crystal display panel and its detecting method |
| CN101395512A (en) * | 2006-03-08 | 2009-03-25 | Ccs技术公司 | Splicer with rotatable splicing cassette carrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104834114A (en) * | 2015-05-15 | 2015-08-12 | 武汉精测电子技术股份有限公司 | Opencell screen detection device |
| CN107783321A (en) * | 2016-08-24 | 2018-03-09 | 神讯电脑(昆山)有限公司 | LCDs detection means and its method |
| CN106840605A (en) * | 2017-01-17 | 2017-06-13 | 武汉华星光电技术有限公司 | Detection means and monitor station |
| CN106932935A (en) * | 2017-05-17 | 2017-07-07 | 锦湖光电(深圳)有限公司 | Backlight check device |
| CN106932935B (en) * | 2017-05-17 | 2023-11-07 | 江苏大发建设工程有限公司 | Backlight inspection device |
| CN112985765A (en) * | 2021-02-05 | 2021-06-18 | 南京创维平面显示科技有限公司 | Display assembly line and assembly and warehousing method based on same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102645765B (en) | 2014-09-17 |
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