CN103529373B - Defect detection device for OLED - Google Patents
Defect detection device for OLED Download PDFInfo
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- CN103529373B CN103529373B CN201310507879.4A CN201310507879A CN103529373B CN 103529373 B CN103529373 B CN 103529373B CN 201310507879 A CN201310507879 A CN 201310507879A CN 103529373 B CN103529373 B CN 103529373B
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- supporting plate
- backboard
- oled
- display screen
- adjusting part
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Abstract
Defect detection device for OLED of the present invention comprises frame, installs supporting plate, attitude regulation assembly, detects adjusting part, clamps backboard and probe assembly.Supporting plate is installed be flexibly connected with frame by fixing joint, there is the rotary freedom of perpendicular; Attitude regulation assembly is connected to frame and installs between supporting plate, for regulating the degree of tilt of installing supporting plate; The described backboard that clamps, for fixing OLED display screen, clamps backboard and is connected with detection adjusting part, detects adjusting part and is fixedly installed on installation supporting plate, detects adjusting part and clamps backboard and the relative position installing supporting plate for changing; Probe assembly is used for powering to OLED display screen.Beneficial effect is when operating personnel control electric machine rotation, just can according to the height of individual and operating habit, the angle of inclination of adjustment oled panel and surface level.Effectively can slow down the degree of fatigue of worker on volume production line, increase work efficiency and effectively ensure to detect quality.
Description
Technical field
The invention belongs to Organic Light Emitting Diode (OLED) display technique field, operation is detected in the rear end relating to OLED volume production, particularly relates to for defect detecting device during OLED volume production.
Background technology
Organic electroluminescent LED (OLED) display is called as " dreamlike display ", it is with all solid state, active illuminating, high brightness, high-contrast, ultra-thin and ultra-light, low-power consumption, without angle limitations and the characteristic such as operating temperature range is wide, be considered to the emerging application technology of follow-on flat-panel screens.But, the part-structure of OLED display be especially positioned at electrode wherein and organic material extremely responsive for the external environmental factor of such as oxygen and moisture, need in actual use to be encapsulated device to make device and water vapour and oxygen-barrier to extend the serviceable life of OLED, if encapsulate bad, element just there will be because being oxidized the stain produced, and stain increase in time can expand rapidly, finally causes whole device failure, affects the serviceable life of device.Therefore, good to OLED encapsulation is the most important mode extending the OLED life-span.
The manufacturing process of OLED is complicated, after complete TFT circuit and organic material layer encapsulation, the generation of a variety of device defects may be caused, in order to ensure the shipment quality of product, display defect detection must be carried out to OLED, to reject defective products in the detection operation of rear end.
Summary of the invention
The present invention detects operation volume production problem in order to the rear end solving existing OLED manufacturing process, proposes a kind of defect detection device for OLED.
Technical scheme of the present invention is: defect detection device for OLED, comprises frame, it is characterized in that, device also comprises installation supporting plate, attitude regulation assembly, detects adjusting part, clamps backboard and probe assembly; Supporting plate is installed be flexibly connected with frame by fixing joint, there is the rotary freedom of perpendicular; Attitude regulation assembly is connected to frame and installs between supporting plate, for regulating the degree of tilt of installing supporting plate; The described backboard that clamps, for fixing OLED display screen, clamps backboard and is connected with detection adjusting part, detects adjusting part and is fixedly installed on installation supporting plate, detects adjusting part and clamps backboard and the relative position installing supporting plate for changing; Probe assembly is used for powering to OLED display screen.
Further, in order to avoid tissue damage OLED display screen, described probe assembly also comprises constant-voltage equipment, and constant-voltage equipment is fixedly installed in be installed on supporting plate, and probe is installed on the free end of constant-voltage equipment, to make probe with constant pressure and OLED display screen electrode contact.
Preferably, attitude regulation assembly comprises screw elevator, adjusting screw(rod), rail plate and reducing motor, rail plate comprises fixed rail and slide block, wherein fixed rail is flexibly connected with the installation supporting plate back side, screw elevator is fixedly installed in frame, and adjusting screw(rod) one end is by cradle head connection sliding block, and connecting screw rod lifter, reducing motor connecting screw rod lifter, moves up and down for drive screw.
Preferably, detect adjusting part and comprise drive lead screw, holder and servomotor, drive lead screw is installed in the through hole of holder, holder is fixedly installed in be installed on supporting plate, clamp backboard to be threaded with drive lead screw, drive lead screw one end connects servomotor, and servomotor is fixed on to be installed on supporting plate, clamps backboard relative to the position of installing supporting plate for being regulated by drive lead screw.
Further, the position clamping backboard relative with OLED display screen electrode comprises through hole, and described through hole is used for probe and OLED display screen electrode contact.
Further, clamp backboard surrounding and comprise vacuum suction groove, vacuum suction groove is connected with vacuum subassembly, fixes OLED display screen for the vacuum provided according to vacuum subassembly.
Further, described pick-up unit comprises control module, and described control module is connected with reducing motor, servomotor, probe assembly and vacuum subassembly.
Beneficial effect of the present invention is: defect detection device for OLED of the present invention, achieve according to worker's self-condition adjustment attitude by arranging attitude regulation assembly, namely when operating personnel control electric machine rotation, just can according to the height of individual and operating habit, the angle of inclination of adjustment oled panel and surface level.Effectively can slow down the degree of fatigue of worker on volume production line, increase work efficiency and effectively ensure to detect quality.
Accompanying drawing explanation
Fig. 1 is defect detection device for OLED structural representation of the present invention.
Description of reference numerals: frame 1, installs supporting plate 2, fixing joint 3, attitude regulation assembly 4, screw elevator 41, cradle head 42, guide rail 43, reducing motor 44, detects adjusting part 5, servomotor 51, drive lead screw 52, absorptive table 53, clamps backboard 54, constant-voltage equipment 55, OLED display screen 6.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, the defect detection device for OLED of the present embodiment, comprises frame 1, installation supporting plate 2, attitude regulation assembly 4, detects adjusting part 5, clamps backboard 54 and probe assembly 55.Supporting plate 2 is installed be flexibly connected with frame 1 by fixing joint 3, makes supporting plate 2 has perpendicular rotary freedom relative to frame 1 is installed.Attitude regulation assembly 4 is connected to frame 1 and installs between supporting plate 2, installs by regulating the degree of tilt that the anglec of rotation of supporting plate 2 in perpendicular regulates installation supporting plate 2.The described backboard 54 that clamps, for fixing OLED display screen, clamps backboard 54 and is connected with detection adjusting part 5, detects adjusting part 5 and is fixedly installed on installation supporting plate 2, detects adjusting part 5 and clamps backboard 54 and the relative position installing supporting plate 2 for changing.Probe assembly is used for powering to OLED display screen.
In order to avoid the tissue damage OLED display screen of probe assembly, described probe assembly also comprises constant-voltage equipment 55, constant-voltage equipment is fixedly installed in be installed on supporting plate, and above-mentioned probe is installed on the free end (piston end) of constant-voltage equipment, to make probe with constant pressure and OLED display screen electrode contact.
Preferably, the attitude regulation assembly 4 of above-described embodiment comprises screw elevator 41, adjusting screw(rod), rail plate 43 and reducing motor 44, rail plate 43 comprises fixed rail and slide block, wherein fixed rail is flexibly connected with installation supporting plate 2 back side, and slide block can be free to slide within the scope of fixed rail.Screw elevator 41 is fixedly installed in frame 1, and an end of adjusting screw(rod) is by cradle head 42 connection sliding block, and connecting screw rod lifter 41, reducing motor 44 connecting screw rod lifter 41, moves up and down for drive screw.The key of said structure be provided with rail plate 43 and cradle head 42, drive adjusting screw(rod) to move up and down by reducing motor drive screw lifter, so by the interlock of cradle head and rail plate achieve to install supporting plate 2 angular adjustment.
The present embodiment further provides a kind of specific embodiments of detection components, the detection adjusting part of the present embodiment comprises drive lead screw 52, holder and servomotor 51, drive lead screw 52 is installed in the through hole of holder, holder is fixedly installed in be installed on supporting plate 2, clamp backboard 54 to be threaded with drive lead screw 52, drive lead screw 52 1 end connects servomotor 51, servomotor 51 is fixed on to be installed on supporting plate 2, clamps backboard 54 relative to the position of installing supporting plate 2 for being regulated by drive lead screw 52.Concrete, detection adjusting part described in the present embodiment regulates and clamps backboard is the needs detected for OLED, because in OLED testing process, need selectivity must connect each column electrode of OLED, this device is used for relatively fixing to the electrode catheter position that OLED powers, so regulated the position clamping backboard by this detection adjusting part, realize probe and power to correspondingly clamping backboard.
In order to the probe realizing clamping the backboard back side is powered to the OLED display screen being fixed on its front, the position clamping backboard relative with the electrode of OLED display screen 6 is provided with through hole, this through hole is exclusively used in probe and OLED display screen electrode contact, detects with the energising completing OLED display screen.
Be easily fixed to clamp on backboard to realize OLED display screen, clamp backboard surrounding in the device of the present embodiment and provide vacuum suction groove structure, vacuum suction groove is connected with vacuum subassembly, fixes OLED display screen for the vacuum provided according to vacuum subassembly.Its advantage be can by simple must control that vacuum switch realizes OLED display screen secure release.
Further, pick-up unit also comprises control module, and described control module is connected with reducing motor, servomotor, probe assembly and vacuum subassembly.By the control of control module, the complicacy of operated by personnel can be simplified, also can realize part or all of intelligent operation.
Below the structure of apparatus of the present invention and the course of work are further described, to represent principle of the present invention and advantage further.The device lower framework of the embodiment of the present invention is preferably aluminium alloy frame, and machine frame inside uses reducing motor drive screw lifter.The adjusting screw(rod) top of screw elevator adopts cradle head to connect rail plate, and guide rail is fixed on to be installed on supporting plate, and another cradle head is then be fixed on aluminium alloy frame and install between supporting plate.When operating personnel control electric machine rotation, just can according to the height of individual and operating habit, the angle of inclination of adjustment oled panel and surface level.Install above supporting plate and servomotor and drive lead screw are housed, clamping backboard is fixed on the sliding shoe of screw mandrel, oled panel (OLED display screen) is placed in and clamps on backboard, porose vacuum tank is processed, for oled panel being adsorbed on tightly is clamped backboard in the edge clamping backboard.In installation supporting plate centre position, cylinder is housed, probe jig (probe assembly) is fixed on cylinder push-rod (free end).Because oled panel is frivolous frangible, therefore use constant voltage cylinder to control probe thrust.Clamp in the middle of backboard and be drilled with multiple through hole, after these through holes are used for cylinder propelling, the probe in probe jig contacts with OLED electrode constant voltage.
Use-pattern is: install supporting plate when device starts and be horizontal, the mechanical arm for auxiliary detection work takes out oled panel from card casket, is placed on and clamps on backboard, and the vacuum clamping backboard is opened, and adsorbed by panel, mechanical arm leaves this device region.Producers start reset switch, and servomotor starts makes drive lead screw that oled panel is transported to the initial position of setting.When equipment recovers initial position, the OLED electrode position of oled panel the first row and probe jig aligned in position.Then, producers control reducing motor, make screw elevator increase, and stop when examine position moves to oneself position applicable.Open cylinder, cylinder is by the electrode of probe jig top to contact oled panel, and now probe jig and all OLED of oled panel the first row are connected, then open gating switch, select to need the row be communicated with to device at this journey, operating personnel start to carry out defect inspection.After checking out one's own profession device, cylinder drives probe jig to regain, and driven by servomotor drive lead screw makes the electrode alignment probe jig of oled panel second row, then checks as above.After all devices check, cylinder drives probe jig to regain, and driven by servomotor drive lead screw is transported to initial position oled panel.Reducing motor controls screw elevator makes installation supporting plate get back to horizontal level, and after closing vacuum, mechanical arm is taken oled panel away and put into card casket, and fetches another panel to be checked, so repeatedly.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (7)
1.OLED defect detecting device, comprises frame, it is characterized in that, device also comprises installation supporting plate, attitude regulation assembly, detects adjusting part, clamps backboard and probe assembly; Supporting plate is installed be flexibly connected with frame by fixing joint, there is the rotary freedom of perpendicular; Attitude regulation assembly is connected to frame and installs between supporting plate, for regulating the degree of tilt of installing supporting plate; The described backboard that clamps, for fixing OLED display screen, clamps backboard and is connected with detection adjusting part, detects adjusting part and is fixedly installed on installation supporting plate, detects adjusting part and clamps backboard and the relative position installing supporting plate for changing; Probe assembly is used for powering to OLED display screen.
2. pick-up unit according to claim 1, it is characterized in that, probe assembly also comprises constant-voltage equipment, and constant-voltage equipment is fixedly installed in be installed on supporting plate, probe is installed on the free end of constant-voltage equipment, to make probe with constant pressure and OLED display screen electrode contact.
3. pick-up unit according to claim 1, it is characterized in that, attitude regulation assembly comprises screw elevator, adjusting screw(rod), rail plate and reducing motor, rail plate comprises fixed rail and slide block, and wherein fixed rail is flexibly connected with the installation supporting plate back side, and screw elevator is fixedly installed in frame, adjusting screw(rod) one end is by cradle head connection sliding block, and connecting screw rod lifter, reducing motor connecting screw rod lifter, moves up and down for drive screw.
4. pick-up unit according to claim 3, it is characterized in that, detect adjusting part and comprise drive lead screw, holder and servomotor, drive lead screw is installed in the through hole of holder, holder is fixedly installed in be installed on supporting plate, and clamp backboard and be threaded with drive lead screw, drive lead screw one end connects servomotor, servomotor is fixed on to be installed on supporting plate, clamps backboard relative to the position of installing supporting plate for being regulated by drive lead screw.
5. pick-up unit according to claim 1, is characterized in that, the position clamping backboard relative with OLED display screen electrode comprises through hole, and described through hole is used for probe and OLED display screen electrode contact.
6. pick-up unit according to claim 5, is characterized in that, clamp backboard surrounding and comprise vacuum suction groove, vacuum suction groove is connected with vacuum subassembly, fixes OLED display screen for the vacuum provided according to vacuum subassembly.
7. the pick-up unit according to any one claim of claim 1-6, it is characterized in that, described pick-up unit comprises control module, described control module is connected with reducing motor, servomotor, probe assembly and vacuum subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507879.4A CN103529373B (en) | 2013-10-24 | 2013-10-24 | Defect detection device for OLED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507879.4A CN103529373B (en) | 2013-10-24 | 2013-10-24 | Defect detection device for OLED |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103529373A CN103529373A (en) | 2014-01-22 |
| CN103529373B true CN103529373B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310507879.4A Expired - Fee Related CN103529373B (en) | 2013-10-24 | 2013-10-24 | Defect detection device for OLED |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969567A (en) * | 2014-04-22 | 2014-08-06 | 四川虹视显示技术有限公司 | Method and device for detecting and analyzing defects of OLED device |
| CN104834114B (en) * | 2015-05-15 | 2018-07-03 | 武汉精测电子集团股份有限公司 | Opencell screen detection devices |
| CN107749270A (en) * | 2017-11-24 | 2018-03-02 | 广东菲柯特电子科技有限公司 | Display screen testing device |
| CN107833549A (en) * | 2017-12-11 | 2018-03-23 | 苏州广林达电子科技有限公司 | The soft screen CELL tools of OLED |
| CN109307940A (en) * | 2018-03-22 | 2019-02-05 | 苏州故善得电子科技有限公司 | A kind of fixation device when adjustable LCD liquid crystal display screen detects |
| CN108519214B (en) * | 2018-03-22 | 2020-04-10 | 武汉华星光电技术有限公司 | Panel detection device |
| CN109298552A (en) * | 2018-03-22 | 2019-02-01 | 苏州故善得电子科技有限公司 | A kind of fixation device detecting LCD liquid crystal display screen |
| CN109142122B (en) * | 2018-10-16 | 2021-04-30 | 绍兴韦德汽配有限公司 | Test device for testing wear performance of brake pad and use method thereof |
| CN111679137A (en) * | 2020-05-26 | 2020-09-18 | 江西源盛泰电子科技有限公司 | Backlight screen detection tool |
| CN115616261B (en) * | 2022-12-15 | 2023-03-10 | 长春光华微电子设备工程中心有限公司 | Probe card assembly and probe station equipment |
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Patent Citations (5)
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| CN2519281Y (en) * | 2002-01-09 | 2002-10-30 | 中台探针实业有限公司 | Probe measurment and test device |
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| CN103529373A (en) | 2014-01-22 |
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Granted publication date: 20160210 Termination date: 20201024 |