CN107610673A - The display adjusting method of display device - Google Patents
The display adjusting method of display device Download PDFInfo
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- CN107610673A CN107610673A CN201710884503.3A CN201710884503A CN107610673A CN 107610673 A CN107610673 A CN 107610673A CN 201710884503 A CN201710884503 A CN 201710884503A CN 107610673 A CN107610673 A CN 107610673A
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Abstract
The invention discloses the display adjusting method of display device, comprise the following steps：Test image is shown on the display screen of display device；The region that adjusts is needed on selection display screen and with reference to contrast district；The image parameter and the image parameter with reference to contrast district in the region for needing to adjust by sensor detection；The image parameter in the region that the needs according to detected by sensor adjust and with reference to contrast district image parameter between comparative result, the image parameter in the region adjusted to needs is adjusted, until the image parameter in region that the needs detected by sensor adjust and with reference to the difference between the image parameter of contrast district in the range of tolerance, preserve the present image parameter in the region for needing to adjust.The present invention can be consistent the whole screen of the image display effect of display device.
Description
Technical field
The present invention relates to Display Technique.
Background technology
Problem of non-uniform, example is shown and there is image in existing all kinds of main flow display devices, LCD, DLP, LED etc.
Such as, using occurring dark angle during multi-screen splicing on splicing seams periphery, and the image shown on LED giant-screens also occur brightness and
The inconsistent situation of color is especially, new to change in LED giant-screens if after individual other LED module breaks down and change
LED module color and brightness be difficult to be consistent with other LED modules, whole LED giant-screens can only be changed when serious
To solve this problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of display adjusting method of display device, and it can make display
The whole screen of image display effect of equipment is consistent.
The technical solution adopted in the present invention is：
The display adjusting method of display device, comprises the following steps：
Test image is shown on the display screen of display device；
The region that adjusts is needed on selection display screen and with reference to contrast district；
The image parameter and the image parameter with reference to contrast district in the region for needing to adjust by sensor detection；
Between the image parameter in region and the image parameter with reference to contrast district that needs according to detected by sensor adjust
Comparative result, the image parameter in region adjusted to needs is adjusted, adjusted until the needs detected by sensor
The image parameter in region and with reference to contrast district image parameter between difference in the range of tolerance, preservation need to adjust
Region present image parameter.
The display adjusting method of display device according to an embodiment of the invention to whole display screen by directly showing
In the range of optional position, arbitrary size local location positioning, and to the adjustment of select region progress image parameter, from
And can be consistent the brightness of the image in the range of whole display screen and the display of color, solve LCD and DLP splicings
Shield multiple LED moulds in the problem of display is uneven inside splicing seams periphery You An angles and single display unit, LED giant-screens
Display effect is inconsistent between block and has changed the display effect occurred after indivedual LED modules in LED giant-screens and differs
The problem of cause.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the display adjusting method of display device according to an embodiment of the invention.
Fig. 2 shows the schematic diagram of mosaic display screen.
Fig. 3 shows the schematic diagram for needing adjustment region selected in mosaic display screen.
Fig. 4 and Fig. 5 shows that the display adjusting method of display device according to an embodiment of the invention is spelled applied to LCD
Connect display effect schematic diagram during display screen.
Fig. 6 and Fig. 7 shows the display adjusting method of display device according to an embodiment of the invention big applied to LED
Display effect schematic diagram during screen.
Embodiment
Further explanation is made to the present invention below in conjunction with the accompanying drawings.
Incorporated by reference to shown in Fig. 1, the display adjusting method of display device according to an embodiment of the invention, including following step
Suddenly：
Step a, test image is shown on the display screen of display device.
Display device receives the test image signal of input, and then can show test image on the display screen.Test chart
As usually monochrome image, in the present embodiment, test image includes white image, red image, blue image and green image.
Step b, select to need the region that adjusts on display screen and with reference to contrast district.
After test image signal is input to display device, operating personnel visually observe on display screen whether have display effect
Inconsistent region, the region for specifying the inconsistent region of display effect to be adjusted as needs.In the present embodiment, it is to show
The region and the brightness that local display colour cast on screen be present are partially dark, partially bright region is imitated as the region for needing to adjust, display
The normal region of fruit can be used as with reference to contrast district.When showing white image on the display screen, it is observed that brightness is inclined
Secretly, partially bright region；When showing red image, blue image and green image on the display screen, it is observed that color occurs
Inclined region.
Operating personnel can specify the regional for needing to adjust on display screen, area by intelligent control devices such as computers
The setting accuracy of domain size can arrive half-pixel, realize optional position adjustment truly, can be deposited after determining position
Store up the location parameter of regional.More specifically, the region that adjusts is needed on above-mentioned selection display screen and with reference to contrast
Region, it is the starting point and ending point for demarcating region on the display screen with mouse or keyboard by user, with starting point and end
Angle steel joint of the stop as rectangle, the region that user selectes is determined, and store the coordinate of starting point and ending point.
Fig. 2 and Fig. 3 is shown selectes a schematic diagram for needing adjustment region on mosaic display screen.Wherein, the splicing
Display screen 1 is made up of four display units 11, and test image signal is output to four display units 11, computer
Control system 2 controls single 11 yuan of this four displays are independent to show four display pictures.When showing white test image, operator
Member observes that dark angle occurs in the splicing seams periphery of four display units 11, by operating computer control system（Can also be
Other intelligence control systems）For the mouse or keyboard of positioning, demarcation needs the starting point O1 and terminating point O2 in the region adjusted,
The minimum step of mouse and keyboard is positioned up to half-pixel point.Once starting point O1 and terminating point O2 are selected, computer control
System processed can determine the area that the needs that user selectes adjust automatically using starting point O1 and terminating point O2 as the angle steel joint of rectangle
Domain, and store starting point O1 and terminating point O2 coordinate.Starting point O1 and terminating point O2（Stain in Fig. 3）It is that selection needs to adjust
The calibration point in whole region, only show in adjustment, can be disappeared after completing adjustment from display screen.
Step c, the image parameter in the region adjusted by sensor detection needs and the image ginseng with reference to contrast district
Number.
In the present embodiment, described image parameter is chromaticity coordinates and/or brightness, and described sensor is detection chromaticity coordinates
And/or the sensor of brightness.
The image parameter in the region that needs step d, according to detected by sensor adjust and the figure with reference to contrast district
As the comparative result between parameter, the image parameter in the region adjusted to needs is adjusted, until detected by sensor
The image parameter in the region for needing to adjust and with reference to contrast district image parameter between difference in the range of tolerance, protect
Deposit the present image parameter in the region for needing to adjust.
It is determined that after regional location, the image parameter and ginseng in the region that computer control system can adjusts as needed
Region parameter adjustment is carried out according to the comparative result between the image parameter of contrast district.This adjustment is a kind of automatic Approach by inchmeal
The adjustment processing of formula, the region for needing to adjust is again read off after computer control system adjust every time by sensor
Image parameter, between the image parameter in region and the image parameter with reference to contrast district that are adjusted according to the needs again read off
Difference carry out region parameter adjustment, until the image parameter in region that needs detected by sensor adjust and with reference to contrast
Difference between the image parameter in region now needs the image display effect and ginseng in region adjusted in the range of tolerance
The uniformity of height is reached according to the image display effect of contrast district, the image parameter in the region for being currently needed for adjustment has been protected
Deposit, when subsequently carrying out the display processing of normal input picture, all pixels in the region of needs adjustment can be according to being protected
The image parameter adjustment input picture deposited.With brightness adjustment for example, it is determined that after regional location, detected by sensor
The brightness in the region for needing to adjust is B1, and the brightness with reference to contrast district is B2, and B2 is more than B1, and luminance difference between the two is
Δ B1, the deviation allowed is exceeded, then adjustment for the first time can make the brightness increase Δ of all pixels in the region of needs adjustment
B1, then, the brightness in region adjusted is needed with luminance sensor detection again, the brightness value detected is B3, and B3 is still small
In B2, luminance difference between the two is Δ B2, and the luminance difference Δ B2 is still above the deviation allowed, in being also to carry out
Second of adjustment, second of adjustment can make the brightness increase Δ B2 of all pixels in the region of needs adjustment, then again with bright
Degree sensor detection needs the brightness in the region adjusted, and the rest may be inferred, until the region that the needs detected by sensor adjust
Brightness and with reference to contrast district brightness between difference in the range of tolerance, will last time adjustment brightness value protect
Store away.When subsequently carrying out the display processing of normal input picture, all pixels in the region of needs adjustment can be according to
The brightness value preserved shows input picture.The process for adjusting chromaticity coordinates is similar with this.
Preferably, when the image parameter in region adjusted to needs is adjusted, the region that the needs adjust is made
The color at edge and/or brightness are with gradual manner transition.
The display device of the application can be single LCD display, single DLP display screens, LCD mosaic screens, DLP giant-screens
Or LED giant-screens etc..
In Fig. 4 by the mosaic display screen 1 that 4 LCD display units form when showing white test image, it can be seen that bright
Dark angle between aobvious splicing seam.It is fixed first using the display adjusting method of display device according to an embodiment of the invention
Position 5 needs the region 15 adjusted, wherein, the stain of two drift angles of each rectangular area is that computer control system is being tested
The caused instruction point for localization region, after completing adjustment, the brightness adjustment of 5 adjustment regions has arrived and other regions one
Cause, as shown in Figure 5.After exiting adjustment, the instruction point for positioning is no longer shown, can be carried out normal input signal and be shown.
LED giant-screens 3 in Fig. 6 have three positions bad point occur after being used for a while, are changing bad point
After the LED module of region, it can see in input red test image, the image in the region after replacing shows and must differed
Cause, red has color offset phenomenon, as shown in Figure 6.By selecting this 3 regions 33 for needing to adjust, by the area adjusted to needs
After the chromaticity coordinates value in domain is adjusted, it can be seen from figure 7 that the color of image on whole LED giant-screens 3 has reached consistent.
Claims (7)
1. the display adjusting method of display device, it is characterised in that comprise the following steps：
Test image is shown on the display screen of display device；
Select to need the region that adjusts on the display screen and with reference to contrast district；
The image parameter in the region for needing to adjust and the image parameter with reference to contrast district are detected by sensor；
Between the image parameter in region and the image parameter with reference to contrast district that needs according to detected by sensor adjust
Comparative result, the image parameter in region adjusted to needs is adjusted, adjusted until the needs detected by sensor
The image parameter in region and with reference to contrast district image parameter between difference in the range of tolerance, preservation need to adjust
Region present image parameter.
2. the display adjusting method of display device as claimed in claim 1, it is characterised in that the test image is achromatic map
Picture.
3. the display adjusting method of display device as claimed in claim 1, it is characterised in that the test image includes white
Image, red image, blue image and green image.
4. the display adjusting method of display device as claimed in claim 1, it is characterised in that described image parameter is sat for color
Mark and/or brightness.
5. the display adjusting method of display device as claimed in claim 4, it is characterised in that in the region adjusted to needs
When image parameter is adjusted, make the edge in the region that the needs adjust color and/or brightness with gradual manner transition.
6. the display adjusting method of display device as claimed in claim 1, it is characterised in that on described selection display screen
Need the region that adjusts and with reference to contrast district, be the starting point for demarcating region on the display screen by user's mouse or keyboard
And terminating point, using the starting point and the terminating point as the angle steel joint of rectangle, the region that user selectes is determined, and store institute
State the coordinate of starting point and the terminating point.
7. the display adjusting method of display device as claimed in claim 1, it is characterised in that the display device is single
LCD display, single DLP display screens, LCD mosaic screens, DLP giant-screens or LED giant-screens.
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| CN201710884503.3A CN107610673A (en) | 2017-09-26 | 2017-09-26 | The display adjusting method of display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002243A (en) * | 2018-06-28 | 2018-12-14 | 维沃移动通信有限公司 | A kind of image parameter adjusting method and terminal device |
| CN109189355A (en) * | 2018-08-23 | 2019-01-11 | 京东方科技集团股份有限公司 | A kind of location regulation method and its auxiliary installation device of spliced display unit |
| CN111402825A (en) * | 2020-03-31 | 2020-07-10 | 浙江宇视科技有限公司 | Screen correction method, device and system and logic board |
| CN113160757A (en) * | 2021-03-03 | 2021-07-23 | 华源智信半导体(深圳)有限公司 | Brightness processing method and system of mini-LED splicing backlight device and automatic brightness processing system |
| WO2022152002A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳光峰科技股份有限公司 | Image quality debugging method, apparatus, system and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109002243A (en) * | 2018-06-28 | 2018-12-14 | 维沃移动通信有限公司 | A kind of image parameter adjusting method and terminal device |
| CN109002243B (en) * | 2018-06-28 | 2021-06-29 | 维沃移动通信有限公司 | Image parameter adjusting method and terminal equipment |
| CN109189355A (en) * | 2018-08-23 | 2019-01-11 | 京东方科技集团股份有限公司 | A kind of location regulation method and its auxiliary installation device of spliced display unit |
| CN111402825A (en) * | 2020-03-31 | 2020-07-10 | 浙江宇视科技有限公司 | Screen correction method, device and system and logic board |
| WO2022152002A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳光峰科技股份有限公司 | Image quality debugging method, apparatus, system and electronic device |
| CN113160757A (en) * | 2021-03-03 | 2021-07-23 | 华源智信半导体(深圳)有限公司 | Brightness processing method and system of mini-LED splicing backlight device and automatic brightness processing system |
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Application publication date: 20180119 |