CN109143628A - Device and method of the one kind in liquid crystal module real-time display Flick, Vcom numerical value - Google Patents
Device and method of the one kind in liquid crystal module real-time display Flick, Vcom numerical value Download PDFInfo
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- CN109143628A CN109143628A CN201811071452.3A CN201811071452A CN109143628A CN 109143628 A CN109143628 A CN 109143628A CN 201811071452 A CN201811071452 A CN 201811071452A CN 109143628 A CN109143628 A CN 109143628A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The present invention provides one kind liquid crystal module real-time display Flick, Vcom numerical value device and method, including numeric character dot matrix enable module, the numeric character dot matrix enable module for generate corresponding image lattice enable data；Clock module, the clock module are used to generate pixel clock according to liquid crystal module timing information；Fpga chip, the fpga chip enables data and pixel clock for Flick according to above-mentioned image lattice, Vcom numerical value font is superimposed upon on image to be shown, the present invention realizes the test number of picture meeting real-time display Flick, Vcom of operator LCD module under test in the test process of Flick, Vcom for testing liquid crystal module to be produced, save testing cost, testing efficiency and test reliability are promoted, the production efficiency and product qualification rate of enterprise are promoted.
Description
Technical field
The invention belongs to the display of liquid crystal module and the field of test technology, and in particular to one kind is in liquid crystal module real-time display
The method of Flick, Vcom numerical value.
Background technique
Liquid crystal module has many advantages, such as that frivolous, power consumption is low, radiation is small, screen flicker free, rich in color, extensively at present
For various mobile phone screens, tablet computer screen, the electronic equipments such as laptop screen；Configuration before liquid crystal module factory is surveyed
As soon as examination is critically important link, wherein containing the production procedures such as Flick is adjusted, Vcom is adjusted.It is traditional at present
It is Flick, Vcom that operator tests liquid crystal module to be produced using test equipment that Flick, Vcom, which adjust test mode, is being tested
The picture of LCD module under test can have different variations with the variation of Flick, Vcom test number in the process, and with test
End, Flick, Vcom test number of LCD module under test can settle out finally, and operator be not aware that finally to
Survey the stationary value of Flick, Vcom test number of liquid crystal module.
Summary of the invention
Device and method the present invention provides one kind in liquid crystal module real-time display Flick, Vcom numerical value, present invention reality
The picture for having showed operator LCD module under test in the test process of Flick, Vcom for testing liquid crystal module to be produced can be real-time
It shows the test number of Flick, Vcom, saves testing cost, promote testing efficiency and test reliability, promote the production of enterprise
Efficiency and product qualification rate.
Device the present invention provides one kind in liquid crystal module real-time display Flick, Vcom numerical value, including numeric character point
The enabled module of battle array, the numeric character dot matrix enable module and enable data for generating corresponding image lattice；Clock module, institute
Clock module is stated for generating pixel clock according to liquid crystal module timing information；Fpga chip, the fpga chip is according to above-mentioned
Image lattice enable data and pixel clock for Flick, Vcom numerical value font is superimposed upon on image to be shown.
Above-mentioned device, wherein further include ROM initialization value generation module, the ROM initialization value generation module according to
ROM initialization files format is converted into the format for the initialization value that ROM is adapted to inside corresponding fpga chip inside fpga chip
File, wherein the numeric character dot matrix enables module and uses character library Software Create Flick, Vcom character, punctuation mark character
And after the font of character needed for 0-9 digital value, size information, then generates corresponding image lattice and enable data.
Above-mentioned device, wherein the fpga chip includes source images output module, numeric character library memory module, figure
As timing generation module, character control module and image overlay module.
Above-mentioned device, wherein the source images output module output meets the image of current LCD module under test specification
The size of data, numerical imaging font is reasonably adjusted according to the memory space of used fpga chip, so that numeric character library
The occupied memory space of all data stored in memory module is no more than the chip memory space of fpga chip.
Above-mentioned device, wherein numeric character library memory module stores the word in the enabled module of numeric character dot matrix
Accord with corresponding data value.
Above-mentioned device, wherein described image timing generation module includes linage-counter and field counter, two counters
To the pixel clock cycle count generated in clock module, corresponding clock signal, institute are generated according to liquid crystal module timing sequence specification
The control that character control module includes the color of the position coordinates of character, character is stated, also according to Flick in liquid crystal module,
The numerical value that Vcom is tested out calculates corresponding address and takes out data and finally in liquid in the memory module of numeric character library
It is shown in brilliant mould group.
Above-mentioned device, wherein the pixel clock is numeric character library memory module, image timing generation module, word
It accords with control module, image overlay module, liquid crystal module and clock frequency is provided.
Above-mentioned device, wherein described image laminating module, for judging whether current displaing coordinate is numeric character
The overlap-add region of library memory module and display image, if the overlap-add region of display image, then judge the corresponding number of changing coordinates
It is worth the character data that the data in character repertoire memory module are raw image data or numerical value, if the character data of numerical value,
Then the data of image overlay module output are corresponding character data in the memory module of numeric character library；If not the color of numerical value
Data then image overlay module output be the output of source images output module image data, the liquid crystal module is by image superposition
The data exported in module are shown as corresponding image.
Another side of the invention additionally provides a kind of method in liquid crystal module real-time display Flick, Vcom numerical value, including
Following steps:
Step (1): a numeric character dot matrix is provided and enables module, ROM initialization value generation module, fpga chip, clock
Module and liquid crystal module, wherein fpga chip includes source images output module, numeric character library memory module, the generation of image timing
Module, character control module, image overlay module；
Step (2): numeric character dot matrix enables module and passes through character library Software Create Flick, Vcom character, punctuation word
The font of character needed for symbol and 0-9 digital value after size information, generates corresponding image lattice and enables data；
Step (3): it is established in fpga chip according to the enabled size of data of the image lattice generated in step (2) identical big
Small ROM；
Step (4): the image lattice generated in step (2) is made according to ROM initialization files format inside fpga chip
Can data conversion at the formatted file of ROM inside the corresponding fpga chip initialization value being adapted to, and steps for importing (3) generates
In ROM；
Step (5): when clock module generates LCD module under test corresponding pixel according to LCD module under test timing information
Clock, and it is output to numeric character library memory module, image timing generation module, character control module, image overlay module, liquid crystal
Linage-counter and field counter start the cycle over meter according to the pixel clock of generation in mould group and in image timing generation module
Number, generates the clock signal of corresponding LCD module under test timing sequence specification；
Step (6): character control module combines liquid crystal to be measured according to counter in step (5), by the count value of counter
The timing sequence specification figure of mould group calculates the displaing coordinate at current time, if coordinate is in Flick, Vcom numeric character overlap-add region
When, character control module calculates address of the pixel in the memory module of numeric character library according to coordinate, and address information is sent
Corresponding numeric character pixel can be read out into numeric character library memory module enables numerical value；
Step (7): image overlay module judges whether current displaing coordinate is numeric character library memory module and display
The overlap-add region of image then enables data according to numeric character pixel in step (6) and sentences if the overlap-add region of display image
Data in the disconnected corresponding numeric character library memory module of changing coordinates are the character data of raw image data or numerical value, if
For the character data of numerical value, then the data of image overlay module output are corresponding number of characters in the memory module of numeric character library
According to, and according to the character for the character color output different colours that character control module provides in step (6)；If not the face of numerical value
Chromatic number is the image data of source images output module output according to the output of then image overlay module, and finally shows in liquid crystal module
Image is shown.
The invention has the following advantages: 1, the present invention realize operator the Flick for testing liquid crystal module to be produced,
In the test process of Vcom LCD module under test picture can real-time display Flick, Vcom test number, save test at
This, promotes testing efficiency and test reliability, promotes the production efficiency and product qualification rate of enterprise, and use FPGA as
Main control chip can be superimposed different fonts when showing image on LCD module under test, make Flick, and Vcom test number is real-time
It is shown on LCD module under test, promotes testing efficiency and test reliability and user experience.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in all the attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is show the gist of the present invention.
Fig. 1 is a kind of structural representation of device in liquid crystal module real-time display Flick, Vcom numerical value provided by the invention
Figure.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical solution of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiments.
Shown in referring to Fig.1, a kind of device in liquid crystal module real-time display Flick, Vcom numerical value of the present invention, including numerical value
Character pattern enables module 1, and wherein numeric character dot matrix enables module 1 and enables data, tool for generating corresponding image lattice
Body is that numeric character dot matrix enables module, using character library Software Create Flick, Vcom character, punctuation mark character and 0-9 number
After the font of character needed for word value, size information, generates corresponding image lattice and enable data；Clock module 7, wherein clock mould
Block 7 is used to generate pixel clock according to 9 timing information of liquid crystal module, and specially clock module 7 is by external clock chip according to liquid
Brilliant mould group timing information generates pixel clock and pixel clock is numeric character library memory module 4, image timing generation module
5, character control module 6, image overlay module 8, liquid crystal module 9 provide clock frequency；Fpga chip 10, wherein fpga chip 10
Data and pixel clock are enabled by Flick according to above-mentioned image lattice, and Vcom numerical value font is superimposed upon on image to be shown.
The present invention one further includes ROM initialization value generation module 3, wherein ROM is initial preferably rather than in the embodiment of limitation
Change value generation module 3 is converted into ROM inside corresponding fpga chip according to 10 inside ROM initialization files format of fpga chip and fits
The formatted file for the initialization value matched.
For the present invention one preferably rather than in the embodiment of limitation, fpga chip 10 includes source images output module 2, numeric character
Library memory module 4, image timing generation module 5, character control module 6 and image overlay module 8.
For the present invention one preferably rather than in the embodiment of limitation, the output of source images output module 2 meets current liquid crystal mould to be measured
The image data of group specification, the size of numerical imaging font reasonably adjust according to the memory space of used fpga chip, make
Storage is empty in piece of the occupied memory space of all data stored in value character repertoire memory module 4 no more than FPGA
Between and numeric character library memory module 4 store numeric character dot matrix enable module 1 in the corresponding data value of character；Image
Timing generation module 5, includes linage-counter and field counter, and two counters follow the pixel clock generated in clock module 7
Ring count generates corresponding clock signal according to liquid crystal module timing sequence specification.
The present invention one is preferably rather than in the embodiment of limitation, character control module 6, not only includes the position seat of character
The control of the color of mark, character, also according to Flick in liquid crystal module 9, the numerical value that Vcom is tested out calculates corresponding address
And data are taken out in numeric character library memory module 4 and are finally shown in liquid crystal module 9.
The present invention one preferably rather than limitation embodiment in, image overlay module 8, judge current displaing coordinate whether be
The overlap-add region of numeric character library memory module 4 and display image, if the overlap-add region of display image, then judge changing coordinates
Data in corresponding numeric character library memory module 4 are the character data of raw image data or numerical value, if numerical value
Character data, the then data that image overlay module 8 exports are corresponding character data in numeric character library memory module 4；If no
Be numerical value color data then image overlay module 8 export be source images output module 2 export image data and liquid crystal
The data exported in image overlay module 8 are shown as corresponding image by mould group 9.
Method the present invention also provides one kind in liquid crystal module real-time display Flick, Vcom numerical value, including following step
It is rapid:
Step (1): a numeric character dot matrix is provided and enables module, ROM initialization value generation module, fpga chip, clock
Module and liquid crystal module, wherein fpga chip includes source images output module, numeric character library memory module, the generation of image timing
Module, character control module, image overlay module；
Step (2): numeric character dot matrix enables module and passes through character library Software Create Flick, Vcom character, punctuation word
The font of character needed for symbol and 0-9 digital value after size information, generates corresponding image lattice and enables data；
Step (3): it is established in fpga chip according to the enabled size of data of the image lattice generated in step (2) identical big
Small ROM；
Step (4): the image lattice generated in step (2) is made according to ROM initialization files format inside fpga chip
Can data conversion at the formatted file of ROM inside the corresponding fpga chip initialization value being adapted to, and steps for importing (3) generates
In ROM；
Step (5): when clock module generates LCD module under test corresponding pixel according to LCD module under test timing information
Clock, and it is output to numeric character library memory module, image timing generation module, character control module, image overlay module, liquid crystal
Linage-counter and field counter start the cycle over meter according to the pixel clock of generation in mould group and in image timing generation module
Number, generates the clock signal of corresponding LCD module under test timing sequence specification；
Step (6): character control module combines liquid crystal to be measured according to counter in step (5), by the count value of counter
The timing sequence specification figure of mould group calculates the displaing coordinate at current time, if coordinate is in Flick, Vcom numeric character overlap-add region
When, character control module calculates address of the pixel in the memory module of numeric character library according to coordinate, and address information is sent
Corresponding numeric character pixel can be read out into numeric character library memory module enables numerical value；
Step (7): image overlay module judges whether current displaing coordinate is numeric character library memory module and display
The overlap-add region of image then enables data according to numeric character pixel in step (6) and sentences if the overlap-add region of display image
Data in the disconnected corresponding numeric character library memory module of changing coordinates are the character data of raw image data or numerical value, if
For the character data of numerical value, then the data of image overlay module output are corresponding number of characters in the memory module of numeric character library
According to, and according to the character for the character color output different colours that character control module provides in step (6)；If not the face of numerical value
Chromatic number is the image data of source images output module output according to the output of then image overlay module, and finally shows in liquid crystal module
Image is shown.
The present invention provides one kind liquid crystal module real-time display Flick, Vcom numerical value method and apparatus, can with
When FPGA is shown in image in liquid crystal module as main control chip, by Flick, Vcom numerical value font is superimposed upon figure to be shown
As upper.The invention has the advantages that: using FPGA as main control chip when showing image on LCD module under test,
Different font can be superimposed, make Flick, Vcom test number real-time display on LCD module under test, promoted testing efficiency and
Test reliability and user experience.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation
Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention
In the range of technical solution protection.
Claims (9)
1. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value, which is characterized in that including numeric character dot matrix
Enabled module, the numeric character dot matrix enable module and enable data for generating corresponding image lattice；Clock module, it is described
Clock module is used to generate pixel clock according to liquid crystal module timing information；Fpga chip, the fpga chip is according to above-mentioned
Image lattice enables data and pixel clock for Flick, and Vcom numerical value font is superimposed upon on image to be shown.
2. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as described in claim 1, which is characterized in that
It further include ROM initialization value generation module, the ROM initialization value generation module initializes text according to ROM inside fpga chip
Part format is converted into the formatted file for the initialization value that ROM is adapted to inside corresponding fpga chip, wherein the numeric character point
The enabled module of battle array uses character library Software Create Flick, Vcom character, character needed for punctuation mark character and 0-9 digital value
After font, size information, then generates corresponding image lattice and enable data.
3. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 2, which is characterized in that
The fpga chip includes source images output module, numeric character library memory module, image timing generation module, character control mould
Block and image overlay module.
4. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 3, which is characterized in that
The source images output module output meets the image data of current LCD module under test specification, the big rootlet of numerical imaging font
It is reasonably adjusted according to the memory space of used fpga chip, so that all data institutes stored in the memory module of numeric character library
The memory space of occupancy is no more than the chip memory space of fpga chip.
5. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 4, which is characterized in that
Numeric character library memory module stores the corresponding data value of character in the enabled module of numeric character dot matrix.
6. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 5, it is characterised in that；
Described image timing generation module includes linage-counter and field counter, when two counters are to the pixel generated in clock module
Clock cycle count generates corresponding clock signal according to liquid crystal module timing sequence specification, and the character control module includes character
Position coordinates, character color control, calculate phase also according to Flick in liquid crystal module, the Vcom numerical value tested out
Simultaneously data are taken out in the memory module of numeric character library and are finally shown in liquid crystal module for the address answered.
7. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 6, it is characterised in that；
The pixel clock be numeric character library memory module, image timing generation module, character control module, image overlay module,
Liquid crystal module provides clock frequency.
8. a kind of device in liquid crystal module real-time display Flick, Vcom numerical value as claimed in claim 7, it is characterised in that；
Described image laminating module, for judging whether current displaing coordinate is the folded of numeric character library memory module and display image
Add region, if the overlap-add region of display image, then judge the data in the corresponding numeric character library memory module of changing coordinates
For the character data of raw image data or numerical value, if the character data of numerical value, the then data that image overlay module exports
For corresponding character data in the memory module of numeric character library；If not the color data of numerical value then image overlay module output
It is the image data of source images output module output, the data exported in image overlay module are shown as phase by the liquid crystal module
The image answered.
9. a kind of method in liquid crystal module real-time display Flick, Vcom numerical value, it is characterised in that；The following steps are included:
Step (1): a numeric character dot matrix is provided and enables module, ROM initialization value generation module, fpga chip, clock module
And liquid crystal module, wherein fpga chip includes source images output module, numeric character library memory module, image timing generation mould
Block, character control module, image overlay module；
Step (2): numeric character dot matrix enables module by character library Software Create Flick, Vcom character, punctuation mark character with
And after the font of character needed for 0-9 digital value, size information, generates corresponding image lattice and enable data；
Step (3): size of data is enabled according to the image lattice generated in step (2) and establishes same size in fpga chip
ROM；
Step (4): the image lattice generated in step (2) is enabled by number according to ROM initialization files format inside fpga chip
According to the formatted file for being converted into the initialization value that ROM is adapted to inside corresponding fpga chip, and the ROM that steps for importing (3) generates
In；
Step (5): clock module generates the corresponding pixel clock of LCD module under test according to LCD module under test timing information, and
It is output to numeric character library memory module, image timing generation module, character control module, image overlay module, liquid crystal module
In and image timing generation module in linage-counter and field counter counting started the cycle over according to the pixel clock of generation, it is raw
At the clock signal of corresponding LCD module under test timing sequence specification；
Step (6): character control module is according to counter in step (5), by the count value combination LCD module under test of counter
Timing sequence specification figure calculate the displaing coordinate at current time, if coordinate in Flick, Vcom numeric character overlap-add region, word
It accords with control module and address of the pixel in the memory module of numeric character library is calculated according to coordinate, address information is sent to numerical value
Corresponding numeric character pixel can be read out in character repertoire memory module enables numerical value；
Step (7): image overlay module judges whether current displaing coordinate is numeric character library memory module and display image
Overlap-add region, if display image overlap-add region, then according to numeric character pixel in step (6) enable data judgement work as
Data in the corresponding numeric character library memory module of preceding coordinate are the character data of raw image data or numerical value, if number
The character data of value, then the data of image overlay module output are corresponding character data in the memory module of numeric character library, and
According to the character for the character color output different colours that character control module provides in step (6)；If not the number of colours of numerical value
It is the image data of source images output module output according to the output of then image overlay module, and is finally shown in liquid crystal module
Image.
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| CN201811071452.3A CN109143628B (en) | 2018-09-14 | 2018-09-14 | Device and method for displaying flicker and Vcom values in real time on liquid crystal module |
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| CN109143628B (en) | 2021-09-28 |
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