CN209486417U - A kind of liquid crystal display device photoelectric parameter detection interface arrangement - Google Patents
A kind of liquid crystal display device photoelectric parameter detection interface arrangement Download PDFInfo
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- CN209486417U CN209486417U CN201920539381.9U CN201920539381U CN209486417U CN 209486417 U CN209486417 U CN 209486417U CN 201920539381 U CN201920539381 U CN 201920539381U CN 209486417 U CN209486417 U CN 209486417U
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 92
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract
The utility model discloses a kind of liquid crystal display device photoelectric parameters to detect interface arrangement, and the interface arrangement includes FPGA or ARM universal plate, signal reformer plate, test board, LCD interface board；LCD interface board includes the first LCD interface, the 2nd LCD interface, the 3rd LCD interface；FPGA the or ARM universal plate passes through signal reformer plate connecting test plate；The test board is separately connected the first LCD interface, the 2nd LCD interface, the 3rd LCD interface.The utility model can connect driving power, source driving signal and the peripheral detection device of any kind of tested liquid crystal display device and needs, solve the problems, such as to purchase and prepare the equipment such as numerous driving powers, source driving signal and the repeatedly trouble of connection line because of type and model difference needs.
Description
Technical field
The utility model relates to liquid crystal display device detections, and in particular to a kind of detection of liquid crystal display device photoelectric parameter connects
Mouth device.
Background technique
Currently, according to the requirement of " the liquid crystal display device test method photoelectric parameter " test stone of GB/T 18910.61, liquid crystal
Display device needs to detect 14 photoelectric parameters, detects any parameter and requires source driving signal, and the type of liquid crystal display device
Number different driving signal source is also different, and not only product quality inspection organ needs to prepare a large amount of various types liquid crystal display signal for this
Reviewer is returned since the difference of type and model replaces source driving signal in checkout procedure repeatedly and carries out many and diverse company in source
Tape splicing comes greatly inconvenient.
Summary of the invention
The utility model is in view of the above-mentioned problems, provide a kind of liquid crystal display device photoelectric parameter detection interface arrangement.
The technical solution adopted in the utility model is: a kind of liquid crystal display device photoelectric parameter detection interface arrangement, described
Interface arrangement includes FPGA or ARM universal plate, signal reformer plate, test board, LCD interface board；LCD interface board includes the first LCD
Interface, the 2nd LCD interface, the 3rd LCD interface；FPGA the or ARM universal plate passes through signal reformer plate connecting test plate；It is described
Test board is separately connected the first LCD interface, the 2nd LCD interface, the 3rd LCD interface.
Further, the test board mainly includes fpga chip, FPGA configuration chip, JTAG download slot, USB/SD
Controller, SD card slot, USB interface, burning slot, SDRAM, liquid crystal image data save FLASH, liquid crystal image data transfer
RAM, RS232 interface, key, Current Voltage AD conversion chip, power input and protection circuit；The fpga chip is separately connected
FPGA configures chip, JTAG download slot, USB/SD controller, SD card slot, USB interface, burning slot, SDRAM, liquid crystal figure
It is defeated that sheet data saves FLASH, liquid crystal image data transfer RAM, RS232 interface, key, Current Voltage AD conversion chip, power supply
Enter and protect circuit.
Further, the first LCD interface is for connecting Mobile phone screen, flat screen；The 2nd LCD interface is for connecting
Connect custom liquid crystals screen, conventional vehicle-mounted screen, regular industrial liquid crystal display；The 3rd LCD interface for connect small size black and white smaller screen,
Oled screen.
The advantages of the utility model:
The liquid crystal display device photoelectric parameter detection interface arrangement of the utility model is tested liquid crystal display device and driving
Connection center between power supply, source driving signal and detection device, the inspection of the liquid crystal display device suitable for various types and model
It surveys, is testing agency without going to purchase and prepare more other driving powers and source driving signal because of type and model difference
It solves due to detection LCD monitor part is different the worry of connection line repeatedly, brings great convenience for testing staff.
The utility model can connect driving power, the source driving signal of any kind of tested liquid crystal display device and needs
And peripheral detection device, it solves because numerous driving powers, source driving signal are purchased and prepared to type and model difference needs
Etc. the problem of equipment and the trouble of connection line repeatedly；The data Collection & Processing System of interface circuit is by the light tested and electricity
Performance data is transported on computer and shows, can disposably form the test report of photoelectric parameter；Connecing for various screens can be provided
Mouthful, meet the power drives and signal driving of variety classes screen；Rgb signal can be converted to mobile phone MIPI signal.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is that a kind of liquid crystal display device photoelectric parameter detection interface arrangement of the utility model is corresponding
Detect the structural block diagram of interface system；
Fig. 2 is a kind of interface of liquid crystal display device photoelectric parameter detection interface system of the utility model
The schematic diagram of device；
Fig. 3 is a kind of test of liquid crystal display device photoelectric parameter detection interface arrangement of the utility model
The structural block diagram of plate；
Fig. 4 is that a kind of liquid crystal display device photoelectric parameter detection interface arrangement of the utility model is corresponding
Software system structural block diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
With reference to Fig. 1, as shown in Figure 1, a kind of liquid crystal display device photoelectric parameter of the utility model detects interface arrangement pair
The liquid crystal display device photoelectric parameter detection interface system answered, including interface arrangement and software system；The test software
System setting is electrically connected interface arrangement in control computer, the computer；The interface arrangement is used for liquid crystal display device
Photoelectric parameter detection；The parameter of the software system testing liquid crystal display part.Interface arrangement is connected by communication interface
Control computer.
With reference to Fig. 2, as shown in Fig. 2, a kind of liquid crystal display device photoelectric parameter detection interface arrangement includes FPGA or ARM ten thousand
It can plate, signal reformer plate, test board, LCD interface board；LCD interface board includes the first LCD interface, the 2nd LCD interface, the 3rd LCD
Interface；FPGA the or ARM universal plate passes through signal reformer plate connecting test plate；The test board is separately connected the first LCD and connects
Mouth, the 2nd LCD interface, the 3rd LCD interface；
The first LCD interface is for connecting Mobile phone screen, flat screen；
The 2nd LCD interface is for connecting custom liquid crystals screen, conventional vehicle-mounted screen, regular industrial liquid crystal display；
The 3rd LCD interface is for connecting small size black and white smaller screen, oled screen；
The FPGA of the FPGA or ARM universal plate generates RGB tricolor signal, drives the liquid crystal display of rgb interface type,
MIPI signal circuit board can be converted by RGB and rgb signal is converted into MIPI signal, drive mobile phone liquid crystal screen and flat type liquid
Crystalline substance screen；
ARM in FPGA or ARM universal plate drives small size black and white smaller screen, oled screen.
With reference to Fig. 3, as shown in figure 3, the test board mainly includes fpga chip, FPGA configures chip, JTAG downloading is inserted
Slot, USB/SD controller, SD card slot, USB interface, burning slot, SDRAM, liquid crystal image data save FLASH, liquid crystal figure
Sheet data transfer RAM, RS232 interface, key, Current Voltage AD conversion chip, power input and protection circuit；The FPGA core
Piece be separately connected FPGA configuration chip, JTAG download slot, USB/SD controller, SD card slot, USB interface, burning slot,
SDRAM, liquid crystal image data save FLASH, liquid crystal image data transfer RAM, RS232 interface, key, Current Voltage AD conversion
Chip, power input and protection circuit.
With reference to Fig. 4, as shown in figure 4, the software system includes that control unit, display unit, brightness and brightness are equal
Even property test cell, preheating characteristic test unit, response time test cell, flashing test cell, brightness and contrast test
Unit, angular field of view test cell, transmissivity measurement test cell, the specularity factor test of effective display area field surface are single
First, white field coloration and uniformity of chromaticity test cell, display resolution test cell, intersect string at color reprodubility test cell
Disturb test cell, threshold voltage and saturation voltage test cell, power consumption test unit；It is single that described control unit links display respectively
Member, brightness and brightness uniformity test cell, response time test cell, flash test cell, are bright preheating characteristic test unit
Degree and contrast test cell, angular field of view test cell, transmissivity measurement test cell, effective display area field surface mirror surface
Reflection coefficient test cell, white field coloration and uniformity of chromaticity test cell, color reprodubility test cell, display resolution are surveyed
Try unit, cross-talk test cell, threshold voltage and saturation voltage test cell, power consumption test unit.
Described control unit: for display unit, brightness and brightness uniformity test cell, preheating characteristic test list
Member, response time test cell, flashing test cell, brightness and contrast test cell, angular field of view test cell, transmissivity
Measure test cell, the specularity factor test cell of effective display area field surface, white field coloration and uniformity of chromaticity test
Unit, color reprodubility test cell, display resolution test cell, cross-talk test cell, threshold voltage and saturation electricity
Test cell, power consumption test unit is pressed to carry out comprehensively control；
Display unit: it is surveyed for display brightness and brightness uniformity test cell, preheating characteristic test unit, response time
Try unit, flashing test cell, brightness and contrast test cell, angular field of view test cell, transmissivity measurement test cell,
The specularity factor test cell of effective display area field surface, white field coloration and uniformity of chromaticity test cell, color rendering
Property test cell, display resolution test cell, cross-talk test cell, threshold voltage and saturation voltage test cell, function
Consume the data of test cell test；
Brightness and brightness uniformity unit: the brightness of display device and the display device with built-in back light system are measured
Surface brightness uniformity；
Preheat characteristic test unit: measurement tested display part reaches stability requirement institute in booting initial stage, brightness
The time needed；
Response time test cell: when including service time, turn-off time, rise time, fall time, gray scale response
Between；After measuring application driving voltage, display device is from bright to secretly or from secretly to time required for bright variation, grayscale sound
What is measured between seasonable is the response time that display device changes between two grayscale；
Flash test cell: the display brightness situation of change of measurement multichannel or matrix display device；
Brightness and contrast test cell: the luminance contrast of display device is detected；
Angular field of view test cell: the angle of corresponding maximum-contrast, that is, visual direction peak value are measured；Display is measured simultaneously
The angular field of view of screen, the value including angular field of view both horizontally and vertically, that is, contrast are greater than limit value；
Transmissivity test cell: the liquid crystal display device suitable for being free of backlight measures liquid crystal display device visible
Transmissivity in optical range；
The specularity factor test cell of effective display area field surface: incident light institute of the measurement outside display device
The specular reflectivity of caused display device effective display area domain；
White field coloration and uniformity of chromaticity test cell: only to matrix display device, measurement has the liquid of built-in backlight
The white field coloration and uniformity of chromaticity of crystal display device are only effective to matrix display device；
Color reprodubility test cell: only to matrix display device, the color reprodubility of display device carrys out table with color gamut value
Show；
Display resolution test cell: only to high resolution matrix display device, the pixel resolution of display device is measured；
Cross-talk test cell: the degree of measurement liquid crystal display device cross-talk under graphical display state；
Threshold voltage and saturation voltage test cell: being suitable for Twisted Nematic LCD part, measures liquid crystal display
The threshold voltage and saturation voltage of device；
Power consumption test unit: the power consumption and electric current of display device are measured；Liquid crystal display device generally includes a liquid crystal
Display screen, driving circuit, analog circuit and subsidiary back light source system circuit.
The liquid crystal display device photoelectric parameter detection interface arrangement of the utility model is tested liquid crystal display device and driving
Connection center between power supply, source driving signal and detection device, the inspection of the liquid crystal display device suitable for various types and model
It surveys, is testing agency without going to purchase and prepare more other driving powers and source driving signal because of type and model difference
It solves due to detection LCD monitor part is different the worry of connection line repeatedly, brings great convenience for testing staff.
The utility model can connect driving power, the source driving signal of any kind of tested liquid crystal display device and needs
And peripheral detection device, it solves because numerous driving powers, source driving signal are purchased and prepared to type and model difference needs
Etc. the problem of equipment and the trouble of connection line repeatedly；The data Collection & Processing System of interface circuit is by the light tested and electricity
Performance data is transported on computer and shows, can disposably form the test report of photoelectric parameter；Connecing for various screens can be provided
Mouthful, meet the power drives and signal driving of variety classes screen；Rgb signal can be converted to mobile phone MIPI signal.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (3)
1. a kind of liquid crystal display device photoelectric parameter detects interface arrangement, which is characterized in that the interface
Device includes FPGA or ARM universal plate, signal reformer plate, test board, LCD interface board；LCD interface board includes the first LCD
Interface, the 2nd LCD interface, the 3rd LCD interface；FPGA the or ARM universal plate passes through signal reformer plate connecting test plate；It is described
Test board is separately connected the first LCD interface, the 2nd LCD interface, the 3rd LCD interface.
2. liquid crystal display device photoelectric parameter according to claim 1 detects interface arrangement, which is characterized in that the test
Plate mainly includes fpga chip, FPGA configuration chip, JTAG download slot, USB/SD controller, SD card slot, USB interface, burning
It records slot, SDRAM, liquid crystal image data and saves FLASH, liquid crystal image data transfer RAM, RS232 interface, key, electric current electricity
Press AD conversion chip, power input and protection circuit；The fpga chip is separately connected FPGA configuration chip, JTAG downloading is inserted
Slot, USB/SD controller, SD card slot, USB interface, burning slot, SDRAM, liquid crystal image data save FLASH, liquid crystal figure
Sheet data transfer RAM, RS232 interface, key, Current Voltage AD conversion chip, power input and protection circuit.
3. liquid crystal display device photoelectric parameter according to claim 1 detects interface arrangement, which is characterized in that described first
LCD interface is for connecting Mobile phone screen, flat screen；The 2nd LCD interface is for connecting custom liquid crystals screen, conventional vehicle-mounted screen, often
Advise industrial liquid crystal display；The 3rd LCD interface is for connecting small size black and white smaller screen, oled screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539381.9U CN209486417U (en) | 2019-04-19 | 2019-04-19 | A kind of liquid crystal display device photoelectric parameter detection interface arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539381.9U CN209486417U (en) | 2019-04-19 | 2019-04-19 | A kind of liquid crystal display device photoelectric parameter detection interface arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209486417U true CN209486417U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920539381.9U Expired - Fee Related CN209486417U (en) | 2019-04-19 | 2019-04-19 | A kind of liquid crystal display device photoelectric parameter detection interface arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323096A (en) * | 2021-12-10 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | General type process parameter display instrument |
| CN114446213A (en) * | 2020-11-02 | 2022-05-06 | 联发科技（新加坡）私人有限公司 | Mainboard, display device, display method and computer readable storage medium |
-
2019
- 2019-04-19 CN CN201920539381.9U patent/CN209486417U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446213A (en) * | 2020-11-02 | 2022-05-06 | 联发科技（新加坡）私人有限公司 | Mainboard, display device, display method and computer readable storage medium |
| US11842704B2 (en) | 2020-11-02 | 2023-12-12 | Mediatek Singapore Pte. Ltd. | Mainboard with at least two interfaces to boost performance for connecting different displays and the related device and method |
| CN114323096A (en) * | 2021-12-10 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | General type process parameter display instrument |
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Granted publication date: 20191011 |