CN103177694B - White balance adjusting method of LED (Light Emitting Diode) display screen - Google Patents
White balance adjusting method of LED (Light Emitting Diode) display screen Download PDFInfo
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- CN103177694B CN103177694B CN201310136802.0A CN201310136802A CN103177694B CN 103177694 B CN103177694 B CN 103177694B CN 201310136802 A CN201310136802 A CN 201310136802A CN 103177694 B CN103177694 B CN 103177694B
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- chromaticity coordinates
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- white balance
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Abstract
The invention discloses a white balance adjusting method of an LED (Light Emitting Diode) display screen. A white balance adjusting program of a white balance adjuster converts brightness and color data picked up by an optical device into column strips and coordinate axes, and the brightness and color data can be intuitively displayed. An LED lamp is convenient to debug, and operators can quickly adjust targeted white balance data conveniently.
Description
Technical field
The present invention relates to field of LED display, what exactly refer to a kind of LED display adjusts to white balance method.
Background technology
At present, traditional white balance proportioning carries out color conversion in the ratio of R (redness): G (green): B (blueness)=3:6:1, because the R used in aforementioned proportion, G, the chromaticity coordinates of the color of the LED use of B is fixing, and the R used in reality, G, the chromaticity coordinates of the LED of B is distributed in different regions, so the lamp in these different regions carries out the white that color that proportioning shows is not standard according to the above ratio, the white that the lamp of various different color mixes out has thousands of kind, the color of the LED of different batches is caused to there is deviation, consistance is poor.
Summary of the invention
For above-mentioned defect, what the technical matters that the present invention solves was to provide a kind of LED display adjusts to white balance method, facilitates the debugging of LED, handled easily personnel can adjust target white balance data rapidly.
In order to solve above technical matters, LED display provided by the invention adjust to white balance method, comprise the following steps:
(1), white balance debugging instrument is connected by order wire with between optical device;
(2) whether, open and white balance debugging instrument adjusts to white equilibrium code, adjusting to white equilibrium code can be connected with white balance debugging instrument by self-inspection optical device, detect errorless after enter next step;
(3), click the beginning icon of white balance debugging instrument toolbar, adjust to white equilibrium code reading and start, program upper left side can the realtime curve of optical device picked-up out, and data include brightness, chromaticity coordinates; Lower left shows the mode of brightness data histogram, facilitates commissioning staff to understand the situation of color change more intuitively; Chromaticity coordinates shows in the mode of two-dimensional coordinate axle by the right main areas adjusting to white equilibrium code, chromaticity coordinates data is directly changed into the chromaticity coordinates axle of CIE1931, makes commissioning staff more intuitively the chromaticity coordinates of data type be converted to color;
(4), assemble tested LED module, by the tested LED module of side-looking region inscribe of the watch window of optical device be connected with white balance debugging instrument, the watch window of optical device keeps vertical with tested LED module;
(5), equilibrium code reading is adjusted to white in unlatching, then tested LED module power supply is opened, now adjusting to white the brightness and chromaticity coordinates data that can observe tested LED module in the middle of equilibrium code, first regulate three variable resistors be connected with tested LED module on module side together simultaneously, three variable resistors regulate red colored lamp, green light and blue lamp respectively, are transferred to subject brightness range; When brightness is red higher than the brightness display of adjusting to white equilibrium code during standard, lower than showing blueness during standard, in object brightness regional extent, show grey; Again by regulating three variable resistors to regulate chromaticity coordinates respectively, the coordinate adjusting to white equilibrium code has the primary target chromaticity coordinates square frame of a coarse adjustment to enter following operation:
When the right at square frame of chromaticity coordinates, need to add redness, reduce red variable-resistance resistance;
When the top of chromaticity coordinates at square frame, need to add green, reduce green variable-resistance resistance;
When the lower left of chromaticity coordinates at square frame, need to add blueness, reduce blue variable-resistance resistance;
When the left side of chromaticity coordinates at square frame, need to subtract redness, increase red variable-resistance resistance;
When chromaticity coordinates is square frame following, needs to subtract green, increase green variable-resistance resistance;
When the upper right side of chromaticity coordinates at square frame, need to subtract blueness, increase blue variable-resistance resistance;
Chromaticity coordinates is adjusted in primary target chromaticity coordinates square frame; If when now the brightness column-shape strip on the left side is not in target area, proceeded as follows:
When brightness display becomes blueness, represent that brightness is on the low side, turn described red, green, blue three variable-resistance resistances simultaneously down;
When brightness display becomes redness, represent that brightness is higher, heighten described red, green, blue three variable-resistance resistances simultaneously.
(6), when chromaticity coordinates is adjusted in target color coordinates square frame, and brightness column-shape strip also in target area time, now adjust to white equilibrium code and can eject more further coordinate axis, have the Secondary objective chromaticity coordinates square frame of a fine tuning, now carry out fine tuning according to the identical debugging principle of primary target chromaticity coordinates, chromaticity coordinates is adjusted in described Secondary objective chromaticity coordinates square frame;
(7), regulated after record red, green, blue three variable-resistance resistance values by multimeter, then find out the resistance of corresponding resistance value, be then welded on tested LED module, now complete adjust to white balance color whole process.
Preferably, described optical device is color difference meter.
Preferably, described white balance debugging instrument is connected by the order wire of a serial ports with between described optical device.
Preferably, described white balance debugging instrument is run the computer adjusting to white equilibrium code.
Compared with prior art, LED display provided by the invention adjust to white balance method, white balance debugging instrument adjust to white brightness that optical device absorbs by equilibrium code and color data converts column-shape strip and coordinate axis to, can show more intuitively, facilitate the debugging of LED, handled easily personnel can adjust target white balance data rapidly.
Accompanying drawing explanation
Fig. 1 is the connection diagram adjusting to white hardware in balance method of LED display in the embodiment of the present invention, and wherein hardware comprises white balance debugging instrument, optical device, tested LED module and order wire;
Fig. 2 is that in the embodiment of the present invention, adjusting to white in balance method of LED display adjusts to white equilibrium code display interface figure.
Embodiment
In order to those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the connection diagram adjusting to white hardware in balance method of LED display in the embodiment of the present invention, and wherein hardware comprises white balance debugging instrument, optical device, tested LED module and order wire; Fig. 2 is that in the embodiment of the present invention, adjusting to white in balance method of LED display adjusts to white equilibrium code display interface figure.
The LED display that the embodiment of the present invention provides adjust to white balance method, comprise the following steps:
(1) order wire 4, by a serial ports between white balance debugging instrument 1 with described color difference meter 2 is connected;
(2) whether, open and white balance debugging instrument 1 adjusts to white equilibrium code, adjusting to white equilibrium code can be connected with white balance debugging instrument 1 by self-inspection color difference meter 2, detect errorless after enter next step;
(3), click the beginning icon of white balance debugging instrument 1 toolbar, adjust to white equilibrium code reading and start, out, data include brightness, chromaticity coordinates to the realtime curve that program upper left side can be absorbed color difference meter 2; Lower left shows the mode of brightness data histogram, facilitates commissioning staff to understand the situation of color change more intuitively; Chromaticity coordinates shows in the mode of two-dimensional coordinate axle by the right main areas adjusting to white equilibrium code, chromaticity coordinates data is directly changed into the chromaticity coordinates axle of CIE1931, makes commissioning staff more intuitively the chromaticity coordinates of data type be converted to color;
(4), assemble tested LED module 3, by the tested LED module 3 of side-looking region inscribe of the watch window of color difference meter 2 be connected with white balance debugging instrument 1, the watch window of color difference meter 2 keeps vertical with tested LED module 3;
(5), equilibrium code reading is adjusted to white in unlatching, then tested LED module 3 power supply is opened, now adjusting to white the brightness and chromaticity coordinates data that can observe tested LED module 3 in the middle of equilibrium code, first regulate three variable resistors be connected with tested LED module 3 on module side together simultaneously, three variable resistors regulate red colored lamp, green light and blue lamp respectively, are transferred to subject brightness range; When brightness is red higher than the brightness display of adjusting to white equilibrium code during standard, lower than showing blueness during standard, in object brightness regional extent, show grey; Again by regulating three variable resistors to regulate chromaticity coordinates respectively, the coordinate adjusting to white equilibrium code has the primary target chromaticity coordinates square frame of a coarse adjustment to enter following operation:
When the right at square frame of chromaticity coordinates, need to add redness, reduce red variable-resistance resistance;
When the top of chromaticity coordinates at square frame, need to add green, reduce green variable-resistance resistance;
When the lower left of chromaticity coordinates at square frame, need to add blueness, reduce blue variable-resistance resistance;
When the left side of chromaticity coordinates at square frame, need to subtract redness, increase red variable-resistance resistance;
When chromaticity coordinates is square frame following, needs to subtract green, increase green variable-resistance resistance;
When the upper right side of chromaticity coordinates at square frame, need to subtract blueness, increase blue variable-resistance resistance;
Chromaticity coordinates is adjusted in primary target chromaticity coordinates square frame; If when now the brightness column-shape strip on the left side is not in target area, proceeded as follows:
When brightness display becomes blueness, represent that brightness is on the low side, turn described red, green, blue three variable-resistance resistances simultaneously down;
When brightness display becomes redness, represent that brightness is higher, heighten described red, green, blue three variable-resistance resistances simultaneously.
(6), when chromaticity coordinates is adjusted in target color coordinates square frame, and brightness column-shape strip also in target area time, now adjust to white equilibrium code and can eject more further coordinate axis, have the Secondary objective chromaticity coordinates square frame of a fine tuning, now carry out fine tuning according to the identical debugging principle of primary target chromaticity coordinates, chromaticity coordinates is adjusted in described Secondary objective chromaticity coordinates square frame;
(7), regulated after record red, green, blue three variable-resistance resistance values by multimeter, then find out the resistance of corresponding resistance value, be then welded on tested LED module 3, now complete adjust to white balance color whole process.
White balance debugging instrument 1 is run the computer adjusting to white equilibrium code.
Compared with prior art, LED display provided by the invention adjust to white balance method, white balance debugging instrument adjust to white brightness that optical device absorbs by equilibrium code and color data converts column-shape strip and coordinate axis to, can show more intuitively, facilitate the debugging of LED, handled easily personnel can adjust target white balance data rapidly.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. LED display adjust to white a balance method, it is characterized in that, comprise the following steps:
(1), white balance debugging instrument is connected by order wire with between optical device;
(2) whether, open and white balance debugging instrument adjusts to white equilibrium code, adjusting to white equilibrium code can be connected with white balance debugging instrument by self-inspection optical device, detect errorless after enter next step;
(3), click the beginning icon of white balance debugging instrument toolbar, adjust to white equilibrium code reading and start, program upper left side can the realtime curve of optical device picked-up out, and data include brightness, chromaticity coordinates; Lower left shows the mode of brightness data histogram, facilitates commissioning staff to understand the situation of color change more intuitively; Chromaticity coordinates shows in the mode of two-dimensional coordinate axle by the right main areas adjusting to white equilibrium code, chromaticity coordinates data is directly changed into the chromaticity coordinates axle of CIE1931, makes commissioning staff more intuitively the chromaticity coordinates of data type be converted to color;
(4), assemble tested LED module, by the tested LED module of side-looking region inscribe of the watch window of optical device be connected with white balance debugging instrument, the watch window of optical device keeps vertical with tested LED module;
(5), equilibrium code reading is adjusted to white in unlatching, then tested LED module power supply is opened, now adjusting to white the brightness and chromaticity coordinates data that can observe tested LED module in the middle of equilibrium code, first regulate three variable resistors be connected with tested LED module on module side together simultaneously, three variable resistors regulate red colored lamp, green light and blue lamp respectively, are transferred to subject brightness range; When brightness is red higher than the brightness display of adjusting to white equilibrium code during standard, lower than showing blueness during standard, in object brightness regional extent, show grey; Again by regulating three variable resistors to regulate chromaticity coordinates respectively, the coordinate adjusting to white equilibrium code has the primary target chromaticity coordinates square frame of a coarse adjustment to enter following operation:
When the right at square frame of chromaticity coordinates, need to add redness, reduce red variable-resistance resistance;
When the top of chromaticity coordinates at square frame, need to add green, reduce green variable-resistance resistance;
When the lower left of chromaticity coordinates at square frame, need to add blueness, reduce blue variable-resistance resistance;
When the left side of chromaticity coordinates at square frame, need to subtract redness, increase red variable-resistance resistance;
When chromaticity coordinates is square frame following, needs to subtract green, increase green variable-resistance resistance;
When the upper right side of chromaticity coordinates at square frame, need to subtract blueness, increase blue variable-resistance resistance;
Chromaticity coordinates is adjusted in primary target chromaticity coordinates square frame; If when now the brightness column-shape strip on the left side is not in target area, proceeded as follows:
When brightness display becomes blueness, represent that brightness is on the low side, turn described red, green, blue three variable-resistance resistances simultaneously down;
When brightness display becomes redness, represent that brightness is higher, heighten described red, green, blue three variable-resistance resistances simultaneously;
(6), when chromaticity coordinates is adjusted in target color coordinates square frame, and brightness column-shape strip also in target area time, now adjust to white equilibrium code and can eject more further coordinate axis, have the Secondary objective chromaticity coordinates square frame of a fine tuning, now carry out fine tuning according to the identical debugging principle of primary target chromaticity coordinates, chromaticity coordinates is adjusted in described Secondary objective chromaticity coordinates square frame;
(7), regulated after record red, green, blue three variable-resistance resistance values by multimeter, then find out the resistance of corresponding resistance value, be then welded on tested LED module, now complete adjust to white balance color whole process.
2. LED display according to claim 1 adjust to white balance method, it is characterized in that, described optical device is color difference meter.
3. LED display according to claim 1 adjust to white balance method, it is characterized in that, described white balance debugging instrument is connected by the order wire of a serial ports with between described optical device.
4. LED display according to claim 1 adjust to white balance method, it is characterized in that, described white balance debugging instrument is run to adjust to white the computer of equilibrium code.
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| CN201310136802.0A CN103177694B (en) | 2013-04-18 | 2013-04-18 | White balance adjusting method of LED (Light Emitting Diode) display screen |
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| CN105047132A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | Intelligent and automatic adjustment system for LED display screen |
| CN105161050A (en) * | 2015-07-31 | 2015-12-16 | 苏州玄禾物联网科技有限公司 | Intelligent automatic LED display white balance adjustment system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039439A (en) * | 2007-04-23 | 2007-09-19 | 北京中星微电子有限公司 | Method and apparatus for realizing correction of white balance |
| CN101193317A (en) * | 2006-11-30 | 2008-06-04 | 北京思比科微电子技术有限公司 | Method and device for automatic white balance processing of the image |
| CN101283604A (en) * | 2005-08-30 | 2008-10-08 | 诺基亚公司 | Image processing device with automatic white balance |
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| JP2000358253A (en) * | 2000-01-01 | 2000-12-26 | Hitachi Ltd | Display using color picture tube provided with automatic white balance adjusting circuit |
| US7394930B2 (en) * | 2005-01-07 | 2008-07-01 | Nokia Corporation | Automatic white balancing of colour gain values |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101283604A (en) * | 2005-08-30 | 2008-10-08 | 诺基亚公司 | Image processing device with automatic white balance |
| CN101193317A (en) * | 2006-11-30 | 2008-06-04 | 北京思比科微电子技术有限公司 | Method and device for automatic white balance processing of the image |
| CN101039439A (en) * | 2007-04-23 | 2007-09-19 | 北京中星微电子有限公司 | Method and apparatus for realizing correction of white balance |
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Effective date of registration: 20160726 Address after: 511400 Guangdong Province, Guangzhou City Southern towns south of Panyu District Cao Tang Cun He Xi Lu 2-1 Building No. 2 Patentee after: Guangzhou poly Electronic Equipment Co., Ltd. Address before: 511442 Guangdong Province, Guangzhou City Southern towns Panyu District Cao Tang Cun He Xi Road No. 2-1 east of the first floor Patentee before: Guangzhou GuanTai Digital Display Equipment Co., Ltd. |
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Granted publication date: 20150304 Termination date: 20190418 |
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