CN209312421U - A kind of display correction device and display - Google Patents
A kind of display correction device and display Download PDFInfo
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- CN209312421U CN209312421U CN201920128025.8U CN201920128025U CN209312421U CN 209312421 U CN209312421 U CN 209312421U CN 201920128025 U CN201920128025 U CN 201920128025U CN 209312421 U CN209312421 U CN 209312421U
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Abstract
The utility model embodiment provides a kind of display correction device and display.Wherein, device includes: the second luminance sensor, acquires the backlight illumination of display and is sent to master board；Master board is connect with display, sends trigger signal to correction module when backlight illumination is greater than predetermined luminance threshold value, and the test image signal for receiving correction module transmission is sent to display；First luminance sensor and chromaticity transducer, the luminance information and chrominance information of the test image that acquisition display is generated according to test image signal respectively are simultaneously sent to master board；Correction module, the luminance information for receiving the test image that master board is sent and chrominance information are to generate correction data.A kind of display correction device and display provided by the embodiment of the utility model, can accurately be corrected display, also, more convenient without using the brightness and colour measurement equipment, correction course of profession.
Description
Technical field
The utility model embodiment is related to display technology field more particularly to a kind of display correction device and display
Device.
Background technique
With the development of display technology, the display effect of display is required higher and higher.Liquid crystal display conduct
A kind of display being most widely used, it is either still a large amount of at present using well-done CCFL fluorescent tube because of its characteristic
The LED backlight used, display brightness all can use the time changing with display, moreover, partial display
Brightness can also be influenced by environment temperature and be changed, and in order to guarantee the display effect of display, need to display into
Row correction.
Conventional correcting mode has following two:
(1) display effect for visually observing display manually adjusts parameters of display when effect is undesirable and is corrected.
But since perceptual sensitivity of the naked eyes for color difference and luminance difference etc. is lower, manual correction is excessively subjective, it is difficult to by parameter
It is adjusted to perfect condition.
(2) not readily portable using the brightness and colour measurement equipment of profession, and operation is more complicated, is unfavorable for reality
Correction in the process.
Therefore, need a kind of display correction device at present, when display needs to be corrected, can it is convenient and efficient and
Being corrected accurately, makes the display effect of display be guaranteed.
Utility model content
For the technical problems in the prior art, the utility model embodiment provide a kind of display correction device and
Display.
In a first aspect, the utility model embodiment provides a kind of display correction device, comprising:
Master board, and the first luminance sensor, the second luminance sensor, coloration biography that are connect with the master board
Sensor and correction module；
Second luminance sensor, for being installed on the backlight module of display, the backlight for acquiring the display is bright
Degree, and it is sent to the master board；
The master board, for being connect with the display, when the backlight illumination is greater than predetermined luminance threshold value, to
The correction module sends trigger signal, so that the correction module generates test image signal, and receives the straightening die
The test image signal that block is sent, is sent to the display；
First luminance sensor and the chromaticity transducer, for being installed on the liquid crystal display panel of the display, point
The luminance information and chrominance information of the test image that the display is generated according to the test image signal are not acquired, and are sent
To the master board；
The correction module, for receiving the luminance information and coloration letter of the test image that the master board is sent
Breath, and according to the test image signal, the luminance information and the chrominance information, generate correction data.
Further, the master board includes:
Comparison circuit and processor；
The comparison circuit is connect with second luminance sensor, for by the backlight illumination with it is described preset it is bright
Degree threshold value is compared, and when the backlight illumination is greater than the predetermined luminance threshold value, exports high level signal；
The processor is connect with the comparison circuit, for generating trigger signal simultaneously when receiving high level signal
It is sent to the correction module.
Further, described device further include: the key being connect with the correction module；
The key, for when being in triggering state, Xiang Suoshu correction module to send trigger signal, so that the school
Positive module generates test image signal.
Further, described device further include: the memory being connect with the correction module；
The memory, for storing the correction data.
Further, the master board is attached with the correction module by DVI cable or DP cable.
Second aspect, the utility model embodiment provide a kind of display, including display correction described in first aspect
Device.
A kind of display correction device and display provided by the embodiment of the utility model are sent by correction module and are tested
Picture signal, and the chrominance information and luminance information of test image are received, generate correction data.Can accurately to display into
Row correction, also, it is more convenient without using the brightness and colour measurement equipment, correction course of profession.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is display correction structure drawing of device provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of display provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is display correction structure drawing of device provided by the embodiment of the utility model, as shown in Figure 1, the device includes:
Master board 1, and the first luminance sensor 2, the second luminance sensor, the chromaticity transducer 3 that are connect with the master board 1
With correction module 4；Second luminance sensor 8 acquires the back of the display for being installed on the backlight module of display
Brightness, and it is sent to the master board 1；The master board 1, for being connect with the display, when the backlight is bright
When degree is greater than predetermined luminance threshold value, Xiang Suoshu correction module 4 sends trigger signal, so that the correction module 4 generates test
Picture signal, and the test image signal that the correction module 4 is sent is received, it is sent to the display；First brightness
Sensor 2 and the chromaticity transducer 3 acquire the display root for being installed on the liquid crystal display panel of the display respectively
According to the luminance information and chrominance information of the test image that the test image signal generates, and it is sent to the master board 1；Institute
Correction module 4 is stated, for receiving the luminance information and chrominance information of the test image that the master board 1 is sent, and root
According to the test image signal, the luminance information and the chrominance information, correction data is generated.
Firstly, it is necessary to explanation, display includes liquid crystal display panel and backlight module, and the second luminance sensor 8 is installed on
The backlight module part of display, acquires the backlight illumination of display.Second luminance sensor 8 is connect with master board 1, will be adopted
The backlight illumination of the display collected is sent to master board 1.It should be noted that due to only when the backlight illumination of display
It could start to correct after reaching predetermined luminance threshold value, therefore, in the utility model embodiment, be made with the size of backlight brightness values
For corrected trigger condition.Specifically, a luminance threshold i.e. the utility model is preset in master board 1 to implement
Predetermined luminance threshold value in example is sent out when master board 1 determines that backlight brightness values are greater than predetermined luminance threshold value to correction module 4
Trigger signal is sent, so that correction module 4 generates test image signal according to trigger signal to start to be corrected.
First luminance sensor 2 and chromaticity transducer 3 are used to be installed on liquid crystal display panel part, to acquire display respectively
The luminance information and chrominance information of shown image.
Master board 1 can be with the discrete setting of display, can also be integrally disposed.Master board 1 is connect with correction module 4, is connect
The test image signal that correction module 4 is sent is received, and sends it to display, so that display is aobvious according to test image signal
Show test image.It is shown at this point, the first luminance sensor 2 and chromaticity transducer 3 that connect with master board 1 acquire display respectively
The luminance information and chrominance information for the test image shown, and it is sent to master board 1.
Correction module 4 can be with the discrete setting of display, can also be integrally disposed.Correction module 4 is connect with master board 1, will
The test image signal of generation is sent to master board 1, and receives the luminance information and color of the test image of master board transmission
Spend information.In turn, it according to the test image signal of generation, the luminance information of the test image received and chrominance information, generates
Correction data.
It should be noted that test image signal is the signal comprising rgb value in the utility model embodiment, firstly,
RGB is illustrated:
Rgb color mode is a kind of color standard of industry, is by logical to red (R), green (G), blue (B) three colors
The variation in road and their mutual superpositions are to obtain miscellaneous color.Wherein, R has 256 grades of brightness, and value is
0~255, G have 256 grades of brightness, and value is that 0~255, B has 256 grades of brightness, and value is 0~255.
The rgb value for including in test image signal can take any one in (0,0,0)-(255,255,255),
In, three elements in bracket are respectively the value of the value of R, the value of G and B.When display receives test image signal
Afterwards, test image corresponding with rgb value therein can be shown.
The bearing calibration based on display correction device provided by the embodiment of the utility model is illustrated below:
Step 1, correction module 4 sends the test image signal comprising rgb value for (0,0,0) to master board 1.
Step 2, after master board 1 receives the signal, display is sent it to, after display receives the signal,
According to the rgb value in the signal, corresponding test image is shown.
Step 3, master board 1 sends acquisition instructions to the first luminance sensor 2 and chromaticity transducer 3, and the first brightness passes
After sensor 2 receives the instruction, acquires the luminance information of test image shown by display screen and feed back to master board 1, color
After degree sensor 3 receives the instruction, acquires the chrominance information of test image shown by display screen and feed back to master board
1。
Step 4, after master board 1 receives luminance information and the chrominance information of test image, it is sent to correction module 4,
Correction module 4 generates correction data according to test image signal, the luminance information of test image and chrominance information.
Step 5, it is (0,0,0)~(255,255,255) survey that correction module 4, which is successively sent to master board 1 comprising rgb value,
Picture signal is tried, corresponding correction data is generated according to step 2~4 for each signal.
Step 6, correction module 4 summarizes all correction datas generated by above-mentioned steps, is sent to main control
Plate 1.
Step 7, correction data is sent to display by master board 1, and display carries out school to itself according to correction data
Just.
Device provided by the embodiment of the utility model sends test image signal by correction module, and receives test chart
The chrominance information and luminance information of picture generate correction data.Accurately display can be corrected, also, without using
The brightness and colour measurement equipment, correction course of profession are more convenient.
On the basis of the various embodiments described above, master board is further described.The master board includes: to compare
Circuit and processor；The comparison circuit is connect with second luminance sensor, for by the backlight illumination with it is described pre-
If luminance threshold is compared, and when the backlight illumination is greater than the predetermined luminance threshold value, exports high level signal；It is described
Processor is connect with the comparison circuit, for when receiving high level signal, generating trigger signal and being sent to the school
Positive module, so that the correction module generates test image signal.
On the basis of the various embodiments described above, device provided by the embodiment of the utility model further include: with the straightening die
The key of block connection；The key is used for when being in triggering state, and Xiang Suoshu correction module sends trigger signal, so that
The correction module generates test image signal.
Specifically, key can be an independent component, and may also set up can facilitate user to touch in display outer surface etc.
Place.Key is connect with correction module, is in triggering state when the button is pressed, when key is in triggering state, then
Trigger signal is sent to correction module, so that correction module generates test image signal.
Device provided by the embodiment of the utility model can facilitate user to start correct operation at any time by setting button,
Improve user experience effect.
On the basis of the various embodiments described above, device provided by the embodiment of the utility model further include: with the straightening die
The memory of block connection；The memory, for storing the correction data.
Specifically, memory, can be with the discrete setting of display, can also be integrally disposed with display.Memory and correction
Module connection, can receive the correction data of correction module output.It on the one hand can be according to the correction data of storage in configuration text
Part fast quick-recovery when losing, on the other hand the correction data of storage can be used as later maintenance and status tracking.
On the basis of the various embodiments described above, the utility model embodiment carries out master board and correction module further
Illustrate: master board is attached with the correction module by DVI cable or DP cable.
Wherein, DVI cable is for connecting the display data line that display, DVD, projector etc. show equipment.DP cable
Standard cable is quickly connected for Profibus-DP, the design of bus cable radial symmetric can fast, easily assemble bus company
Connect device.
In addition, the utility model embodiment also provides a kind of display, which includes above-mentioned each Installation practice
Display correction device.
Fig. 2 is a kind of structural schematic diagram of display provided by the embodiment of the utility model, as shown in Fig. 2, display packet
Liquid crystal display panel 5, backlight module 6 and back shroud 7 are included, master board 1 is installed on 6 part of backlight module, 2 He of the first luminance sensor
Chromaticity transducer 3 is installed on 5 part of liquid crystal display panel, and the second luminance sensor 8 is installed on 6 part of backlight module, correction module 4 with
The discrete setting of display.
In the utility model embodiment, subelement and display are integrally disposed in display correction device, part member
Part and the discrete setting of display, function, positional relationship, connection and the means for correcting of each element of display correction device with
Display is cooperated to carry out the process of display correction and be illustrated in the above-described embodiments, and details are not described herein again.
A kind of display provided by the embodiment of the utility model sends test image signal by correction module, and receives
The chrominance information and luminance information of test image generate correction data.Accurately display can be corrected, also, nothing
The brightness of profession and colour measurement equipment, correction course need to be used more convenient.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (6)
1. a kind of display correction device characterized by comprising
Master board, and the first luminance sensor, the second luminance sensor, chromaticity transducer that are connect with the master board
And correction module；
Second luminance sensor acquires the backlight illumination of the display for being installed on the backlight module of display, and
It is sent to the master board；
The master board, for being connect with the display, when the backlight illumination is greater than predetermined luminance threshold value, Xiang Suoshu
Correction module sends trigger signal, so that the correction module generates test image signal, and receives the correction module hair
The test image signal sent is sent to the display；
First luminance sensor and the chromaticity transducer are adopted respectively for being installed on the liquid crystal display panel of the display
Collect the luminance information and chrominance information of the test image that the display is generated according to the test image signal, and is sent to institute
State master board；
The correction module, for receiving the luminance information and chrominance information of the test image that the master board is sent,
And according to the test image signal, the luminance information and the chrominance information, correction data is generated.
2. the apparatus according to claim 1, which is characterized in that the master board includes:
Comparison circuit and processor；
The comparison circuit is connect with second luminance sensor, is used for the backlight illumination and the predetermined luminance threshold
Value is compared, and when the backlight illumination is greater than the predetermined luminance threshold value, exports high level signal；
The processor is connect with the comparison circuit, for when receiving high level signal, generating trigger signal and sending
To the correction module.
3. the apparatus according to claim 1, which is characterized in that further include: the key being connect with the correction module；
The key, for when being in triggering state, Xiang Suoshu correction module to send trigger signal, so that the straightening die
Block generates test image signal.
4. the apparatus according to claim 1, which is characterized in that further include: the memory being connect with the correction module；
The memory, for storing the correction data.
5. the apparatus according to claim 1, which is characterized in that the master board and the correction module pass through DVI line
Cable or DP cable are attached.
6. a kind of display, which is characterized in that including the described in any item display correction devices of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920128025.8U CN209312421U (en) | 2019-01-24 | 2019-01-24 | A kind of display correction device and display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920128025.8U CN209312421U (en) | 2019-01-24 | 2019-01-24 | A kind of display correction device and display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751932A (en) * | 2019-11-22 | 2020-02-04 | 北京德为智慧科技有限公司 | Display effect management device and method for display |
| CN110880307A (en) * | 2019-11-22 | 2020-03-13 | 北京德为智慧科技有限公司 | Self-checking device and method for correction curve of display |
| CN112863411A (en) * | 2021-01-15 | 2021-05-28 | 北京德为智慧科技有限公司 | Display calibration device and method |
-
2019
- 2019-01-24 CN CN201920128025.8U patent/CN209312421U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751932A (en) * | 2019-11-22 | 2020-02-04 | 北京德为智慧科技有限公司 | Display effect management device and method for display |
| CN110880307A (en) * | 2019-11-22 | 2020-03-13 | 北京德为智慧科技有限公司 | Self-checking device and method for correction curve of display |
| CN112863411A (en) * | 2021-01-15 | 2021-05-28 | 北京德为智慧科技有限公司 | Display calibration device and method |
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