CN209231635U - A kind of liquid crystal display electric performance test equipment - Google Patents
A kind of liquid crystal display electric performance test equipment Download PDFInfo
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- CN209231635U CN209231635U CN201821615786.8U CN201821615786U CN209231635U CN 209231635 U CN209231635 U CN 209231635U CN 201821615786 U CN201821615786 U CN 201821615786U CN 209231635 U CN209231635 U CN 209231635U
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- liquid crystal
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Abstract
The utility model discloses a kind of liquid crystal display electric performance test equipment, including shell, being arranged further includes liquid crystal display, test reset key, key, single step key, pause switch, VOP voltage+key, VOP voltage-key, single-chip microcontroller, VDD voltage potential device, backlight voltage potentiometer, test equipment power switch, external impressed current table line interface, the digital display ammeter, 20Pin output interface for being located on shell and testing circuit board and connect in the intracorporal test circuit board of shell.The problem of the utility model can effectively solve the problem that inspection result existing for existing detection mode is unreliable, leans on subjective judgement more, and parameter can not be adjusted directly, also can not intuitively be read when being easy missing inspection, erroneous judgement, low efficiency and test product.
Description
Technical field
The utility model relates to a kind of liquid crystal display electric performance test equipment.
Background technique
With the fast development of information industry, matched liquid crystal is suddenly increased with module demand, especially single color LCD module
Ratio be also gradually increased.General module detection method is all relative complex, test content is single, usually using MCU driving
Test module also needs to increase the tools such as electric current, voltmeter or multimeter, work is former for parameters such as the power consumptions of testing product
Reason is: MCU driving liquid crystal display shows that multimeter concatenation monitors the operating current of liquid crystal display on the tester rack, and operator needs one
While seeing display effect, whether observation electric current is exceeded on one side, if only needing to detect entire module dissipation electric current also relatively easy one
Point, this detection mode have the following problems: 1) inspection result is unreliable, leans on subjective judgement more, is easy missing inspection, erroneous judgement；2)
Low efficiency, parameter can not be adjusted directly when test product, also can not intuitively be read.
Utility model content
The purpose of the utility model is to provide a kind of liquid crystal display electric performance test equipment, solve existing for existing detection mode
Inspection result is unreliable, leans on subjective judgement more, is easy missing inspection, erroneous judgement, low efficiency and parameter can not be direct when test product
It adjusts, the problem of also can not intuitively reading.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of liquid crystal display electric performance test equipment,
Including shell, being arranged further includes the liquid crystal display for being located on shell and testing circuit board and connect in the intracorporal test circuit board of shell
Screen, test reset key, key, single step key, pause switch, VOP voltage+key, VOP voltage-key, single-chip microcontroller, vdd voltage
Potentiometer, backlight voltage potentiometer, test equipment power switch, external impressed current table line interface, digital display ammeter, 20Pin output
Interface,
Liquid crystal display is for showing that supply voltage and backlight voltage, test reset key are used for the display of liquid crystal display
Picture is reset to the picture that most initial is shown, key shows being switched fast for picture for liquid crystal display, and single step key is used for liquid
Crystal display screen shows the stepping switching of picture, and pause switch is used to suspend the display picture of liquid crystal display, VOP voltage+key
For liquid crystal voltage to be turned up, VOP voltage-key is used for turning down liquid crystal voltage, VDD voltage potential device and backlight voltage potentiometer
The adjustment of test product process parameter value is realized in cooperation liquid crystal display, and external impressed current table line interface is used for external test product
Testing host；Digital display ammeter and external impressed current table interface connect, the current value for test product；20Pin output interface
For external testing host.
Further, the alarm buzzer to connect with single-chip microcontroller is additionally provided on shell.
Further, resettlement groove slot compatible with single-chip microcontroller has been provided on shell.
Further, connect ammeter line interface and 20Pin output interface be embedded on shell, connect ammeter line interface and
Rubber seal plug to be opened/closed is provided on 20Pin output interface and resettlement groove slot.
The utility model has the beneficial effects that improving existing testing efficiency, solves existing test machine multimeter test fluid
The problems such as crystalline substance screen electric current, artificial monitoring module static current of lcd value, increase the exceeded alarm miscellaneous function of current value, solves manually to determine
Error；Increase product test parameter monitoring, prevents parameter adjustment mistake from causing the undesirable generation of product reliability；It solves existing
Inspection result existing for detection mode is unreliable, leans on subjective judgement more, is easy missing inspection, erroneous judgement, low efficiency, when test product
The problem of parameter can not be adjusted directly, also can not intuitively be read.
Below with reference to drawings and examples, the utility model is described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Embodiment, a kind of liquid crystal display electric performance test equipment as shown in Fig. 1 figure, including shell 1 are arranged in shell 1
Test circuit board, further include being located on shell 1 and liquid crystal display 6, test reset key 2, key that test circuit board connects
3, single step key 4, pause switch 13, VOP voltage+key 11, VOP voltage-key 10, single-chip microcontroller 5, VDD voltage potential device 7, back
Photovoltage potentiometer 8, test equipment power switch 9, external impressed current table line interface 14, digital display ammeter 15,20Pin output interface
12,
Liquid crystal display 6 is for showing that supply voltage and backlight voltage, test reset key 2 are used for liquid crystal display 6
Display picture is reset to the picture that most initial is shown, key 3 shows that picture jumps automatically for liquid crystal display 6, and single step key 4 is used
The stepping switching of picture is shown in liquid crystal display 6, and pause switch 5 is used to suspend the display picture of liquid crystal display 6, VOP electricity
Pressure+key 11 is for being turned up liquid crystal voltage, and VOP voltage-key 10 is for turning down liquid crystal voltage, VDD voltage potential device 7 and back
The adjustment that photovoltage potentiometer 8 is used to that liquid crystal display 6 to be cooperated to realize test product process parameter value, external impressed current table line connect
Mouth 14 is used for the testing host of external test product；Digital display ammeter 15 and external impressed current table interface connect, and are used for test product
Current value；20Pin output interface 12 is used for external testing host.
The alarm buzzer 16 to connect with single-chip microcontroller 5 is additionally provided on shell 1.It has been provided on shell 1 and 5 phase of single-chip microcontroller
The resettlement groove slot of adaptation.It connects ammeter line interface and 20Pin output interface 12 is embedded on shell 1, being provided with can open
The rubber seal plug closed.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not
It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out
Improvement；Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this
Within the protection scope of utility model.
Claims (4)
1. a kind of liquid crystal display electric performance test equipment, including shell are arranged in the intracorporal test circuit board of shell, it is characterised in that:
Further include be located on shell and liquid crystal display that test circuit board connects, test reset key, key, single step key, pause switch,
VOP voltage+key, VOP voltage-key, single-chip microcontroller, VDD voltage potential device, backlight voltage potentiometer, test equipment power supply are opened
Pass, external impressed current table line interface, digital display ammeter, 20Pin output interface,
Liquid crystal display is for showing that supply voltage and backlight voltage, test reset key are used for the display picture of liquid crystal display
It is reset to the picture that most initial is shown, key shows being switched fast for picture for liquid crystal display, and single step key is used for liquid crystal
Display screen shows the stepping switching of picture, and pause switch is used to suspend the display picture of liquid crystal display, and VOP voltage+key is used for
Liquid crystal voltage is turned up, VOP voltage-key is for turning down liquid crystal voltage, VDD voltage potential device and backlight voltage potentiometer for matching
The adjustment that liquid crystal display realizes test product process parameter value is closed, external impressed current table line interface is used for the survey of external test product
Try mainboard；Digital display ammeter and external impressed current table interface connect, the current value for test product；20Pin output interface is used for
External testing host.
2. liquid crystal display electric performance test equipment according to claim 1, it is characterised in that: be additionally provided on shell and monolithic
The alarm buzzer that machine connects.
3. liquid crystal display electric performance test equipment according to claim 1 or 2, it is characterised in that: be provided on shell and
The compatible resettlement groove slot of single-chip microcontroller.
4. liquid crystal display electric performance test equipment according to claim 3, it is characterised in that: connect ammeter line interface and
20Pin output interface is embedded on shell, is connect and is respectively provided on ammeter line interface and 20Pin output interface and resettlement groove slot
There is rubber seal plug to be opened/closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615786.8U CN209231635U (en) | 2018-09-30 | 2018-09-30 | A kind of liquid crystal display electric performance test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615786.8U CN209231635U (en) | 2018-09-30 | 2018-09-30 | A kind of liquid crystal display electric performance test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231635U true CN209231635U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821615786.8U Active CN209231635U (en) | 2018-09-30 | 2018-09-30 | A kind of liquid crystal display electric performance test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735309A (en) * | 2020-12-04 | 2021-04-30 | 安徽金视界光电科技有限公司 | STN liquid crystal display OTP (one time programmable) burning instrument and burning method |
-
2018
- 2018-09-30 CN CN201821615786.8U patent/CN209231635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735309A (en) * | 2020-12-04 | 2021-04-30 | 安徽金视界光电科技有限公司 | STN liquid crystal display OTP (one time programmable) burning instrument and burning method |
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