CN1755790A - Automatic color adjusting apparatus for display device and relative method thereof - Google Patents
Automatic color adjusting apparatus for display device and relative method thereof Download PDFInfo
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- CN1755790A CN1755790A CN 200410080639 CN200410080639A CN1755790A CN 1755790 A CN1755790 A CN 1755790A CN 200410080639 CN200410080639 CN 200410080639 CN 200410080639 A CN200410080639 A CN 200410080639A CN 1755790 A CN1755790 A CN 1755790A
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Abstract
The invention relates to automatic color regulator for black and white standard of display device to receive image signal from PC and display, which comprises: a user interface device to input regulation command, an A/D converter to receive black and white mode signal from PC to convert into digital signal and output, a scaler to store signal from A/D converter into memory, and a microcomputer to regulate black mode signal minimum and white mode signal maximum according to command and A/D converter output standard. This invention can increase color reproducibility at maximum limit without relation with input signal.
Description
Technical field
The present invention relates to display device auto color adjusting gear, particularly user and can directly adjust display device auto color adjusting gear of black standard of display device and white standard and associated method automatically.
Background technology
Generally, the contrast (Contrast) of display devices such as display in order to adjust image output needs to adjust the color adjustment operation of black standard (Black Level) and white standard (White Level).
Above-mentioned color adjustment operation is by operating personnel directly black standard of adjustment display device and standard in vain on production line; At this moment, the adjustment of black standard and white standard determines according to side-play amount (Offset) and gain (Gain) value.
Display device auto color adjusting gear of the prior art as shown in Figure 1, according to operating personnel's requirement, utilizes the signal generation device 10 of generation/output black pattern (Black Pattern) and white mode (White Pattern) on production line; And above-mentioned signal generation device 10 is connected to the display device of having produced 20,, adjusts the black mode and the white mode of above-mentioned display device 20 according to the black mode and the white mode of above-mentioned signal generation device 10 outputs.
Be described in detail as follows: the producer will connect signal generation device 10 on the display device 20 that carries out the color adjustment, and above-mentioned display device 20 just receives black mode, i.e. the R/G/B signals of OV standard from above-mentioned signal generation device 10.
Above-mentioned display device 20 is converted to the digital signal form by A/D converter 21 with the above-mentioned black mode that is transfused to, and then above-mentioned switched digital signal is kept in the memory storage 22a of scaler 22.
At this moment, the microcomputer 23 of above-mentioned display device 20 is by the digital signal value of connection (Communication Line) reading and saving in scaler 22 memory storage 22a, and change the black standard of above-mentioned A/D converter 21, making the above-mentioned digital signal mean value that reads is 0.In other words, when the R/G/B standard that is transfused to is got the OV value, the output valve of above-mentioned A/D converter 21 is adjusted into 0.
The adjustment of above-mentioned black standard is finished, and above-mentioned display device 20 receives white mode, i.e. the R/G/B signal of 0.7V standard from above-mentioned signal generation device 10.
The white mode that is transfused to is converted to the digital signal form through A/D converter 21, equally also is saved among the memory storage 22a of above-mentioned scaler 22.
And microcomputer 23 is by connection, the digital signal value of reading and saving in above-mentioned memory storage 22a, and change the white standard of above-mentioned A/D converter 21, the mean value that makes above-mentioned digital signal is 255.In other words, when the R/G/B standard that is transfused to is got the 0.7V value, the output valve of above-mentioned A/D converter 21 is adjusted into 255.
In a single day above-mentioned color adjustment is finished, and above-mentioned display device 20 will show 256 full gray scales (256Full Gray), promptly maximum briliancy image.
Therefore, display device after its black standard and the white standard fixed, just becomes normal product through above-mentioned color adjustment process; The user will buy these display devices, and utilize in family or company.
But in the above-mentioned prior art, the color adjustment of display device is fixing on production line, and when the standard of signal generation apparatus on black standard that user PC (video card) provides and white standard and the production line was inconsistent, display device just can't be exported maximum briliancy.
In other words, because black standard of the display device of fixing on production line and white standard and PC signal input standard are inconsistent, can't indicate full grey scale, so can cause the low problem of display device color reprodubility.
Summary of the invention
The purpose of this invention is exactly in order to solve variety of problems of the prior art, provides according to customer requirements, corresponding to inconsistent PC signal input, can adjust display device auto color adjusting gear of display device color standard and associated method automatically.
In order to achieve the above object, display device auto color adjusting gear in this invention comprises following parts as the display device that receives signal of video signal and show from PC (Personal Computer): the user's interface device of user's input color adjustment instruction; Receive black mode (Black Pattern) and white mode (White Pattern) signal from PC, and be converted to the signal standards of digital form, the A/D converter of exporting again; The black mode of above-mentioned A/D converter output and white mode signal standards are kept at scaler in the internal storage; According to above-mentioned user interface input color adjustment instruction, be minimum value by controlling the outputting standard of above-mentioned A/D converter, make the black mode signal standards that is kept at above-mentioned scaler inside, the signal standards of above-mentioned white mode is peaked microcomputer.
And, in order to achieve the above object, display device auto color method of adjustment in this invention, as the display device control method that receives signal of video signal and show from PC (Personal Computer), comprise the following several stages content: in the stage one, receive black mode and white mode signal that above-mentioned PC exports; In the stage two, above-mentioned black mode that receives and white mode are converted to the signal standards of digital form separately, and preserve; Stage three, when the user imports color adjustment instruction, adjust black standard and white standard, make the above-mentioned black mode signal standards of having preserved get minimum value, above-mentioned white mode signal standards is got maximal value.
As noted earlier, display device auto color adjusting gear in this invention and associated method can make the user directly adjust the color standard of display device automatically; Therefore under the prerequisite irrelevant, can adjust color standard, with full gray scales (full gray scale) show image with being input to signal in the display device.In other words, under the irrelevant prerequisite of input signal, can improve the color reprodubility of display device to greatest extent.
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.
Therefore, the technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to interest field.
Description of drawings
Fig. 1 is the module map of display device auto color adjusting gear in the prior art;
Fig. 2 is the module map of display device auto color adjusting gear in this invention;
Fig. 3 is the OSD displayed map that comprises auto color adjustment menu in this invention;
Fig. 4 is a display device auto color method of adjustment process flow diagram in this invention.
* accompanying drawing major part symbol description *
100: video card 200: display device
210:A/D converter 220: scaler
230: microcomputer 240: user's interface device
Embodiment
The detailed description of example being carried out with reference to accompanying drawing, other purposes, feature and advantage that can clear and definite this invention.
With reference to the accompanying drawings, the example to the auto color adjusting gear of display device in this invention and associated method describes.
Display device auto color adjusting gear in this invention comprises following parts as shown in Figure 2: the user's interface device 240 of user's input color adjustment instruction; Receive black mode (Black Pattern) and white mode (White Pattern) signal from the video card 100 of PC, and be converted to the signal standards of digital form, the A/D converter of exporting again 210; The black mode of above-mentioned A/D converter 210 outputs and white mode signal standards are kept at scaler 220 among the internal storage 220a; According to above-mentioned user's interface device 240 input color adjustment instructions, by controlling the outputting standard of above-mentioned A/D converter 210, making the black mode signal standards that is kept at above-mentioned scaler 220 inside is minimum value, and the signal standards of above-mentioned white mode is peaked microcomputer 230.
At this moment, in this invention, except process display device color adjustment process on the production line, can also be by the color adjustment process that the user directly carry out and the input of PC signal is corresponding.
Generally, be provided with screen video control system (On Screen Display is designated hereinafter simply as OSD) function in the display device; And above-mentioned OSD adjusts function as the user, comprises various menus such as picture light and shade and brightness adjustment, picture horizontal/vertical move, color is selected, OSD adjusts and move.
Display device in this invention has appended ' color adjustment ' menu as shown in Figure 3 on above-mentioned OSD, if the user selects ' color adjustment ' in the OSD menu, will automatically perform the color adjustment.
In other words, the user carries out OSD by user's interface device 240, selects ' color adjustment ' menu, can directly control the color adjustment.
Display device auto color method of adjustment in this invention is described in detail as follows.
At first, display device 200 receives black modes (the R/G/B signal of OV) and white mode (the R/G/B signal of 0.7V) (S100) from PC video card 100.
For example, above-mentioned PC will be kept at menu CD that display device manufacturing company provides or black mode and the white mode in the system storage (sign is not arranged among the figure) in advance, output in the display device 200 through video card 100.
And, the signal standards that black mode that above-mentioned display device 200 will be transfused to by A/D converter 210 and white mode are converted to digital form, and above-mentioned switched black mode and white mode signal standards be kept among the internal storage 220a of scaler 220.
Here, the user is by user's interface device 240 input color adjustment instructions, above-mentioned microcomputer 230 will be discerned user's color adjustment instruction, read the black mode signal of prior preservation, and change the black standard of above-mentioned A/D conversion equipment 210, make to read the black mode signal standards and get 0 value (S200-S300).In other words, when the R/G/B standard that is transfused to is 0V, the outputting standard of A/D converter 210 is adjusted into 0.
In a single day the adjustment of above-mentioned black standard is finished, and will read the white mode signal of above-mentioned prior preservation, and changes the white standard of above-mentioned A/D conversion equipment 210, makes the signal standards of white mode get 255 values (S400-S500).In other words, when the R/G/B standard of input was 0.7V, the outputting standard of above-mentioned A/D converter 210 was adjusted into 255.
In a single day the adjustment of above-mentioned white standard is finished, and will promptly show input signal (S700) with maximum briliancy with 256 full gray scales.
Therefore, this invention corresponding to inconsistent PC input signal, can be controlled the color adjustment of display device according to user's color adjustment instruction automatically.
Claims (2)
1, a kind of display device auto color adjusting gear receives signal of video signal and shows from PC, it is characterized in that, comprises following parts: the user's interface device of user's input color adjustment instruction; Receive black mode and white mode signal from PC, and be converted to the signal standards of digital form, the A/D converter of exporting again; The black mode of above-mentioned A/D converter output and white mode signal standards are kept at scaler in the internal storage; According to above-mentioned user interface input color adjustment instruction, be minimum value by controlling the outputting standard of above-mentioned A/D converter, make the black mode signal standards that is kept at above-mentioned scaler inside, the signal standards of above-mentioned white mode is peaked microcomputer.
2, a kind of display device auto color is adjusted the device of correlation technique, receives signal of video signal and shows that it is characterized in that, this method will comprise the following several stages content from PC: in the stage one, receive black mode and white mode signal that above-mentioned PC exports; In the stage two, above-mentioned black mode that receives and white mode are converted to the signal standards of digital form separately, and preserve; Stage three, when the user imports color adjustment instruction, adjust black standard and white standard, make the above-mentioned black mode signal standards of having preserved get minimum value, above-mentioned white mode signal standards is got maximal value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410080639 CN1755790A (en) | 2004-09-29 | 2004-09-29 | Automatic color adjusting apparatus for display device and relative method thereof |
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| CN 200410080639 CN1755790A (en) | 2004-09-29 | 2004-09-29 | Automatic color adjusting apparatus for display device and relative method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359466B (en) * | 2007-07-30 | 2010-09-08 | 佳世达科技股份有限公司 | Display device, display system and method for setting color mode |
| CN101840693A (en) * | 2010-03-05 | 2010-09-22 | 惠州Tcl移动通信有限公司 | Electronic document display method |
| CN101211415B (en) * | 2006-12-29 | 2011-12-28 | 诚研科技股份有限公司 | Image data processing system and its related method |
| CN103310764A (en) * | 2012-03-15 | 2013-09-18 | 冠捷投资有限公司 | Method for executing auto color setup by using display |
-
2004
- 2004-09-29 CN CN 200410080639 patent/CN1755790A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211415B (en) * | 2006-12-29 | 2011-12-28 | 诚研科技股份有限公司 | Image data processing system and its related method |
| CN101359466B (en) * | 2007-07-30 | 2010-09-08 | 佳世达科技股份有限公司 | Display device, display system and method for setting color mode |
| CN101840693A (en) * | 2010-03-05 | 2010-09-22 | 惠州Tcl移动通信有限公司 | Electronic document display method |
| CN101840693B (en) * | 2010-03-05 | 2013-08-14 | 惠州Tcl移动通信有限公司 | Electronic document display method |
| CN103310764A (en) * | 2012-03-15 | 2013-09-18 | 冠捷投资有限公司 | Method for executing auto color setup by using display |
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