CN203351177U - OLED panel electrical property detection device based on modularization - Google Patents
OLED panel electrical property detection device based on modularization Download PDFInfo
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- CN203351177U CN203351177U CN 201320394492 CN201320394492U CN203351177U CN 203351177 U CN203351177 U CN 203351177U CN 201320394492 CN201320394492 CN 201320394492 CN 201320394492 U CN201320394492 U CN 201320394492U CN 203351177 U CN203351177 U CN 203351177U
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Abstract
The utility model provides an OLED panel electrical property detection device based on modularization. The device comprises an upper computer module and a lower computer module, wherein the upper computer module comprises a PC machine and a serial communication module. The lower computer module comprises a core control module, a signal output module, and a power module. The PC machine is connected with the serial communication module. The core control module comprises a singlechip control unit, a digital-to-analogue conversion unit, an operation amplification driving unit, and a high and low level switching circuit unit. The signal output module is connected with the operation amplification driving unit and the high and low level switching circuit unit. The serial communication module is connected with the singlechip control unit. The digital-to-analogue conversion unit is respectively connected with the singlechip control unit and the operation amplification driving unit. The device provides convenience for test personnel to set or change parameters of OLED driving waveforms through an upper computer visual interface, troubles that programming personnel have to set or change the parameters of OLED driving waveforms through modifying program source codes are prevented.
Description
Technical field
The utility model relates to a kind of based on modular oled panel electrical property testing device.
Background technology
OLED, be Organic Light Emitting Diode (Organic Light-Emitting Diode), being called again Organic Electricity laser display (Organic Electroluminesence Display, OELD), is a kind of novel display technique grown up from mid-term in 20th century.With liquid crystal display, compare, that OLED has is all solid state, active illuminating, high brightness, high-contrast, ultra-thin, low-cost, low-power consumption, without plurality of advantages such as visual angle restriction, operating temperature range are wide.Therefore, someone foretells that OLED is the display device of new generation of the following LCD of replacement.But the OLED display technique is the technology of a youth, the infrastructure such as the checkout equipment detected for the OLED electrical property at present, drive IC are imperfection also.In recent years, along with the OLED display screen more and more for substituting the LCD display of mobile phone, to the OLED display screen carry out the electrical property detection for the qualification rate that improves product, reduce costs all significant.
In actual production process, due to processing procedure and raw-material bad, the OLED product quality can not reach 100% qualification rate, has more or less defect, therefore need to be detected oled panel.Detection principle of the present utility model is that the parameter that the tester passes through upper computer module (PC) arranges interface (tester is without understanding programming), according to actual conditions, the oled panel waveform parameter is set, this parameter is transferred to kernel control module by serial communication module, kernel control module produces a series of oled panel drive waveforms through processing, driving OLED Display panel picture, the picture by detection display just can judge whether oled panel exists defect.
Oled panel checkout equipment of the prior art, revising oled panel drive waveforms parameter needs the programming personnel to revise the drive waveforms that the former code of single-chip microcomputer could produce different parameters, revise cumbersome, and waste a large amount of time, reduce detection efficiency, increased the cost of enterprise.
The utility model content
The purpose of this utility model is to change for existing OLED drive waveforms variation and existing detector the characteristics that test parameter bothers, and has designed a kind of based on OLED electrical property testing device modular, the test parameter visual setting.
The utility model proposes a kind ofly based on modular oled panel electrical property testing device, comprise upper computer module and slave computer module, wherein upper computer module comprises PC and serial communication module; The slave computer module comprises kernel control module, signal output module, power module; Described PC is connected with serial communication module; Described kernel control module comprises Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit; Described signal output module is connected with the low and high level conversion circuit unit with described operation amplifier driver element; Described power module is connected with described Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit respectively; Described serial communication module is connected with described Single-chip Controlling unit; Described D/A conversion unit is connected with the operation amplifier driver element with described Single-chip Controlling unit respectively.
Oled panel electrical property testing device as above, described power module comprises the circuit power processing unit, and described circuit power processing unit connects respectively described Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit.
Oled panel electrical property testing device as above, described circuit power processing unit is for regulating power supply part and unadjustable power unit.
Oled panel electrical property testing device as above, describedly regulate power supply part and unadjustable power unit is direct current transducer.
Oled panel electrical property testing device as above, described power module also comprises for connecting the power interface of operate outside power supply.
Oled panel electrical property testing device as above, also comprise backlight control module, and described backlight control module is connected with the circuit power processing unit.
Oled panel electrical property testing device as above, also comprise the keyboard load module, and described keyboard load module is connected with described Single-chip Controlling unit.
Oled panel electrical property testing device as above, described serial communication module is USB interface.
Oled panel electrical property testing device of the present utility model, adopt modular design proposal to make circuit simple but multiple functional.Can directly on PC, arrange or the change waveform parameter, and just can be transferred to kernel control module by revising parameter by serial communication module, kernel control module produces corresponding drive waveforms parameter through processing, being transferred to oled panel by signal output module can be detected, avoided the programming personnel to revise the trouble of waveform parameter by revising former code, improve the detection efficiency of oled panel, lowered the testing cost of enterprise.And this equipment volume is little, easy to carry, as long as and PC couple together and just can change detected parameters, having changed can the PC use after parameter.
The accompanying drawing explanation
The functional module structure schematic diagram that Fig. 1 is the utility model oled panel electrical property testing device embodiment;
The natural pattern block structure schematic diagram that Fig. 2 is the utility model oled panel electrical property testing device embodiment;
The display interface intention in kind that Fig. 3 is the utility model oled panel electrical property testing device embodiment.
Description of reference numerals:
The 1-PC machine; The 2-serial communication module; 3-keyboard load module; 4-Single-chip Controlling unit;
The 5-D/A conversion unit; 6-operation amplifier driver element; 7-low and high level conversion circuit unit;
The 8-signal output module; The 9-power module; 10-regulated power supply part; The non-adjustable power unit of 11-;
The 12-switch; The output of 13-signal; 14-keyboard load module; The 15-power light;
The 16-power interface; 17-serial communication interface; The 18-PC machine; The 19-backlight control module;
20-parameter display zone; Other viewing areas of 21-; 22-model selection zone;
23-device name viewing area; The 24-Business Name.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
Main technical schemes of the present utility model is, the key control unit of single-chip microcomputer as oled panel electrical property testing device slave computer module is set, can produce corresponding drive waveforms to control the slave computer module by the visualization interface parameters of upper computer module, with existing OLED checkout equipment, compare, setting or change drive waveforms parameter are more convenient, circuit structure is simpler, and equipment cost is low and volume is little, easy to carry.
Below by the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
The functional module structure schematic diagram that Fig. 1 is the utility model oled panel electrical property testing device embodiment; Shown in Fig. 1 and Fig. 2, kernel control module comprises Single-chip Controlling unit 4, D/A conversion unit 5 and operation amplifier driver element 6.Wherein, an end of D/A conversion unit 5 connects Single-chip Controlling unit 4, and driver element 6 is amplified in other end concatenation operation.Serial communication module 2 one ends connect host computer PC 1, and the other end connects Single-chip Controlling unit 4; Power module 9 is connected and low and high level conversion circuit unit 7 with Single-chip Controlling unit 4, D/A conversion unit 5, operation amplifier driver element 6, keyboard load module 3 respectively; Signal output module 8 is connected with low and high level conversion circuit unit 7 with operation amplifier driver element 6 respectively.
Concrete, power module 9 comprises can regulate power supply part 10 and unadjustable power unit 11.It can be connected with external power source, for system works provides voltage.Can regulating power supply part 10 and unadjustable power unit 11, can to adopt the high-performance direct current converter be that the DC-DC chip is realized voltage multichannel output, and output voltage is inputted respectively Single-chip Controlling unit 4, D/A conversion unit 5, operation amplifier driver element 6.Therefore power module 9 can comprise power interface 16 and power light 15.Whether pilot lamp is used to indicate system and powers on.
The core control section that Single-chip Controlling unit 4 is signal generating circuit, can produce a series of signal by its inner timer conter.The setting but Single-chip Controlling unit 4 logarithmic mode converting units 5 are programmed, make a series of self-defined waveforms of its output, then amplify through operation amplifier driver element 6, in order to the driving OLED panel, shown.Be that Single-chip Controlling unit 4 can be adjusted signal by Control peripheral circuit, can arrange by 4 programmings of Single-chip Controlling unit such as the voltage of signal waveform, frequency etc., to meet the demand of different tested oled panels.Use Single-chip Controlling unit 4 as the core control section, guaranteed the stability of function and signal, also simplified circuit structure, reduced the volume of cost and equipment.
D/A conversion unit 4 has adopted AD series high-performance D/C conversion chip, realizes 4 road analog signal outputs.The simulating signal of output, after operation amplifier driver element 6 amplifies, has realized the generation of tested oled panel desired signal.By regulating the parameter of D/A conversion unit 5, can realize that the output voltage of different output channels is different, thereby realize the output of multi-series signal.The 6 Zhong You tetra-tunnel outputs of operation amplifier driver element, required source signal (both rgb signals) and the Vcom signal of output driving OLED.The above each drive voltage signal all can be passed through host computer PC 1 parameters, the parameter arranged is transferred to Single-chip Controlling unit 4 by serial communication module, and 4 pairs of Single-chip Controlling unit parameter passes to D/A conversion unit 5 after being processed and low and high level conversion circuit unit 7 can produce corresponding drive voltage signal.
The utility model oled panel electrical property testing device also comprises keyboard load module 3.This keyboard load module 3 is connected with Single-chip Controlling unit 4, make system equipment that the selection function of switch, next width picture, a upper width picture, circulation pattern can be arranged, these buttons, after start, can be used as selection function, and the system output function is selected.
The utility model oled panel electrical property testing device also comprises serial communication module 2, and the interface of this module is USB interface, can carry out communication by data line and host computer 1, and tamper detection signal waveform parameter at any time, in order to drive different oled panels.
The natural pattern block structure schematic diagram that Fig. 2 is the oled panel electrical property testing device.Wherein, outlet 16 is used for and being connected of external power source, and whether pilot lamp 15 is used to refer to system and powers on.Switch 12 is used for the conducting of control system and external power source.Can pass through button in keyboard load module 14, make system carry out the work of different mode.Serial communication socket 17 is connected with PC, can carry out communication with system, makes system export user-defined waveform.The visualization interface of PC 18 can be used to show various parameters.Output module 13 is exactly the output of signal, is used for the demonstration of driving OLED panel.
The display interface schematic diagram in kind that Fig. 3 is the oled panel electrical property testing device.As can be seen from the figure, display interface can comprise parameter display zone 20, other viewing area 21, model selection zone 22, device name viewing area 23, Business Name 24.Wherein, can carry out by model selection zone 22 model selection, corresponding and keyboard load module 14 when starting shooting.After pattern is selected, can show the information relevant to this module in parameter display zone 20.
The utility model oled panel electrical property testing device, can be directly on being the visualization interface of PC, host computer arranges or the change waveform parameter, and will revise parameter by serial communication module and be transferred to kernel control module, kernel control module produces corresponding drive waveforms parameter through processing, being transferred to oled panel by signal output module can be detected, avoided oled panel electrical property testing device in the past to need the programming personnel to revise the trouble of waveform parameter by revising former code, improved the detection efficiency of oled panel, lowered the testing cost of enterprise.
Claims (9)
1. an oled panel electrical property testing device, is characterized in that, comprises upper computer module and slave computer module, and wherein upper computer module comprises PC and serial communication module; The slave computer module comprises kernel control module, signal output module, power module;
Described PC is connected with serial communication module; Described kernel control module comprises Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit; Described signal output module is connected with the low and high level conversion circuit unit with described operation amplifier driver element; Described power module is connected with described Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit respectively; Described serial communication module is connected with described Single-chip Controlling unit; Described D/A conversion unit is connected with the operation amplifier driver element with described Single-chip Controlling unit respectively.
2. oled panel electrical property testing device according to claim 1, it is characterized in that, described power module comprises the circuit power processing unit, and described circuit power processing unit connects respectively described Single-chip Controlling unit, D/A conversion unit, operation amplifier driver element and low and high level conversion circuit unit.
3. oled panel electrical property testing device according to claim 2, is characterized in that, described circuit power processing unit is for regulating power supply part and unadjustable power unit.
4. oled panel electrical property testing device according to claim 2, is characterized in that, describedly regulates power supply part and unadjustable power unit is direct current transducer.
5. oled panel electrical property testing device according to claim 2, is characterized in that, described power module also comprises for connecting the power interface of operate outside power supply.
6. oled panel electrical property testing device according to claim 1, is characterized in that, also comprises backlight control module, and described backlight control module is connected with the circuit power processing unit.
7. oled panel electrical property testing device according to claim 1, is characterized in that, also comprises the keyboard load module, and described keyboard load module is connected with described Single-chip Controlling unit.
8. oled panel electrical property testing device according to claim 1, is characterized in that, described upper computer module comprises PC and serial communication module, and described serial communication module is connected with described kernel control module.
9. oled panel electrical property testing device according to claim 8, is characterized in that, described serial communication module is USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394492 CN203351177U (en) | 2013-06-29 | 2013-06-29 | OLED panel electrical property detection device based on modularization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394492 CN203351177U (en) | 2013-06-29 | 2013-06-29 | OLED panel electrical property detection device based on modularization |
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| CN203351177U true CN203351177U (en) | 2013-12-18 |
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| CN 201320394492 Expired - Fee Related CN203351177U (en) | 2013-06-29 | 2013-06-29 | OLED panel electrical property detection device based on modularization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238403A (en) * | 2014-08-21 | 2014-12-24 | 武汉精测电子技术股份有限公司 | CELL panel detection signal generation device and method |
| WO2016026220A1 (en) * | 2014-08-18 | 2016-02-25 | 京东方科技集团股份有限公司 | Oled display apparatus, display device and oled display apparatus testing method |
| CN105700400A (en) * | 2016-02-02 | 2016-06-22 | 武汉精测电子技术股份有限公司 | Modularization control box for panel detection |
-
2013
- 2013-06-29 CN CN 201320394492 patent/CN203351177U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026220A1 (en) * | 2014-08-18 | 2016-02-25 | 京东方科技集团股份有限公司 | Oled display apparatus, display device and oled display apparatus testing method |
| US9892675B2 (en) | 2014-08-18 | 2018-02-13 | Boe Technology Group Co., Ltd. | Organic light-emitting diode display apparatus, display device, and method for testing the organic light-emitting diode display apparatus |
| CN104238403A (en) * | 2014-08-21 | 2014-12-24 | 武汉精测电子技术股份有限公司 | CELL panel detection signal generation device and method |
| CN104238403B (en) * | 2014-08-21 | 2017-01-18 | 武汉精测电子技术股份有限公司 | CELL panel detection signal generation device and method |
| CN105700400A (en) * | 2016-02-02 | 2016-06-22 | 武汉精测电子技术股份有限公司 | Modularization control box for panel detection |
| CN105700400B (en) * | 2016-02-02 | 2018-10-16 | 武汉精测电子集团股份有限公司 | Panel detection modularity control box |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140629 |
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| EXPY | Termination of patent right or utility model |