CN100414595C - Color temperature adjusting method and display device employing the same - Google Patents
Color temperature adjusting method and display device employing the same Download PDFInfo
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- CN100414595C CN100414595C CNB2005100795442A CN200510079544A CN100414595C CN 100414595 C CN100414595 C CN 100414595C CN B2005100795442 A CNB2005100795442 A CN B2005100795442A CN 200510079544 A CN200510079544 A CN 200510079544A CN 100414595 C CN100414595 C CN 100414595C
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Abstract
The present invention relates to a color temperature adjusting method which comprises the following steps that a first color temperature parameter and a second color temperature parameter are obtained, and whether the difference between the first color temperature parameter and the second color temperature parameter falls into an acceptable range is judged. When the difference between the first color temperature parameter and the second color temperature parameter falls into the acceptable range, a first voltage value of a voltage of a back light module which is applied to a corresponding display device at present is stored into a storage device in the display device.
Description
Technical field
This invention relates to a kind of display device, the display device of particularly a kind of color temperature adjusting method and utilization the method.
Background technology
Traditional liquid crystal panel (liquid crystal panel, LCD) display, usually control liquid crystal panel by the ratio of the RGB parameter of micro-control unit (MicroProcessing Unit) control display driving integrated circuit (Scalar IC), in order to carry out the adjustment of colour temperature.And this control mode is more nonelastic usually, therefore, needs a kind of new color temperature adjusting method and the display device of utilization the method.
Summary of the invention
In view of this, purpose of the present invention is for providing a kind of new color temperature adjusting method and the display device of utilization the method
The embodiment of the invention discloses a kind of color temperature adjusting method, comprise the following step, obtain first color temperature parameters and second color temperature parameters, judge whether the difference between first color temperature parameters and second color temperature parameters falls into acceptable scope, and when the difference between first color temperature parameters and second color temperature parameters fell into acceptable scope, storage was corresponding in first magnitude of voltage of the present voltage that puts on the backlight module in the display device memory storage to the display device.Make display device when electric power starting, apply corresponding to the voltage of first magnitude of voltage of storing and give backlight module.
In one case, the method more comprises when the difference between first color temperature parameters and second color temperature parameters does not fall into acceptable scope, determine second magnitude of voltage according to the difference between first color temperature parameters and second color temperature parameters, and apply corresponding to the voltage of second magnitude of voltage backlight module to the display device.
In one case, first color temperature parameters is corresponding to a mark, and this mark is in order to point out that the picture corresponding to first color temperature parameters is the picture with specific colour temperature.The method more comprises the memory storage of storage mark to the display device, and this mark is associated with first magnitude of voltage.
The embodiment of the invention discloses a kind of computer readable memory medium in addition, in order to storage computation machine program.This computer program is in order to be loaded and to carry out color temperature adjusting method.
The embodiment of the invention more discloses another kind of display device, comprises backlight module, memory storage and processing unit.Memory device stores first magnitude of voltage.Processing unit is coupled to backlight module and memory storage, reads first magnitude of voltage, applies corresponding to the voltage of first magnitude of voltage of storing and gives backlight module.
In one case, processing unit is more obtained first color temperature parameters and second color temperature parameters, judge whether the difference between first color temperature parameters and second color temperature parameters falls into acceptable scope, and when the difference between first color temperature parameters and second color temperature parameters falls into acceptable scope, storage corresponding to first magnitude of voltage of the present voltage that puts on backlight module to memory storage.
In one case, when the difference between first color temperature parameters and second color temperature parameters does not fall into acceptable scope, determine second magnitude of voltage according to the difference between first color temperature parameters and second color temperature parameters, and apply voltage corresponding to second magnitude of voltage to backlight module.In ideal conditions, when applying voltage corresponding to second magnitude of voltage to backlight module, can be by the new color temperature parameters that display device is measured than first color temperature parameters near second color temperature parameters.
In one case, first color temperature parameters is corresponding to a mark, and this mark is in order to point out that the picture corresponding to first color temperature parameters is the picture with specific colour temperature.More storage mark is to memory storage for processing unit, and this mark is associated with first magnitude of voltage.
First color temperature parameters and second color temperature parameters can be the cie color coordinate.First color temperature parameters can be represented by the detected color temperature parameters of colour temperature measurement device, and second color temperature parameters can be represented the benchmark color temperature parameters.Display device can be LCD.Backlight module can be made up of Organic Light Emitting Diode, white organic LED or ruddiness, green glow and blue light Organic Light Emitting Diode, and this first magnitude of voltage can be represented the voltage that puts on the various Organic Light Emitting Diodes in the display device corresponding to present.
Description of drawings
Fig. 1 is the system architecture diagram of expression according to the colour temperature regulating system of the embodiment of the invention;
Fig. 2 is the system architecture diagram of expression according to the LCD of the embodiment of the invention;
Fig. 3 is the hardware structure figure of expression according to the computing machine of the embodiment of the invention;
Fig. 4 is the method flow diagram of the color temperature adjusting method of expression first embodiment of the invention;
Fig. 5 is the computer readable memory medium synoptic diagram that expression is adjusted according to the colour temperature of first embodiment of the invention;
Fig. 6 is the method flow diagram of the color temperature adjusting method of expression second embodiment of the invention;
Fig. 7 is the computer readable memory medium synoptic diagram that expression is adjusted according to the colour temperature of second embodiment of the invention.
The reference numeral explanation
The 10-colour temperature regulating system; The 11-LCD; 13-colour temperature measurement device; The 15-computing machine; The 21-digital signal input end; The 23-input end of analog signal; The 24-microprocessing unit; The 25-drive integrated circult; The 26-communicator; The 27-memory storage; The 29-panel of LCD; The 291-display module; The 293-backlight module; The 31-processing unit; The 32-storer; The 33-memory storage; The 34-output unit; The 35-input media; The 36-communicator; The 37-bus; S411, S421, S431, S433, S435, S437-process step; The 50-medium; The 520-colour temperature is adjusted computer program; 521-receives detected color temperature parameters logic; 522-obtains the color temperature parameters logic of benchmark; Whether the adjustment of 523-decision colour temperature finishes logic; The 524-storage is corresponding to the magnitude of voltage logic of the voltage of present driving backlight module; 525-is according to the color temperature parameters decision/adjustment magnitude of voltage logic of detected color temperature parameters and benchmark; 526-applies corresponding to the voltage of the magnitude of voltage of decision and gives the backlight module logic; S611, S621, S631, S633, S635, S637-process step; The 70-medium; The 720-colour temperature is adjusted computer program; 721-receives detected color temperature parameters logic; 722-obtains the color temperature parameters logic of benchmark; Whether the adjustment of 723-colour temperature finishes logic; 724-shows that LCD is with the magnitude of voltage logic of storage corresponding to the voltage of present driving backlight module; 725-is according to the color temperature parameters decision/adjustment magnitude of voltage logic of detected color temperature parameters and benchmark; 726-shows that LCD is to apply corresponding to a pressure value generating pressure that determines to the backlight module logic.
Embodiment
Fig. 1 is the system architecture diagram of expression according to the colour temperature regulating system 10 of the embodiment of the invention, comprises LCD 11, colour temperature measurement device (color temperature metrology apparatus) 13 and computing machine 15.Colour temperature measurement device 13 can use connected mode miscellaneous to be connected in computing machine 15, and computing machine 15 can use connected mode miscellaneous to be connected in LCD 11.
Fig. 2 is LCD (the Liquid Crystal Display of expression according to the embodiment of the invention, LCD) 11 system architecture diagram, comprise digital signal input end 21, input end of analog signal 23, microprocessing unit (Microprocessing Unit, MPU) 24, drive integrated circult (Scalar IC) 25, communicator 26, memory storage 27 and panel of LCD 29.In addition, haveing the knack of this skill personage also can be with the invention process on other display device structure (configuration).Display pannel comprises display module (display module) 291 and backlight module (backlight module) 293, backlight module 293 can be made up of white organic LED (white light LED), or formed by ruddiness (redlight), green glow (green light), blue light (blue light) Organic Light Emitting Diode, backlight in order to produce.Memory storage 27 can comprise ROM (read-only memory) (read only memory; ROM), flash memory (flash ROM) with and/or random access memory (random access memory; RAM).Drive integrated circult 25 receives red (R), green (G) and blue (B) signal in order to see through digital signal input end 21 or input end of analog signal 23, controls display module 291 according to this and shows specific picture.Wherein, red, green and blue signal provides the color information of each pixel.Can store a magnitude of voltage in the memory storage 27 in order to allowing microprocessing unit 24 read this magnitude of voltage, and apply corresponding to the voltage of magnitude of voltage and give backlight module 293, make LCD 11 shown pictures have specific colour temperature type.In another case, also can store many magnitude of voltage records in the memory storage 27, comprise specific colour temperature type in each record, for example red partially (reddish) or blue partially (blueish), reach magnitude of voltage information corresponding to the voltage that imposes on backlight module 293, set (On-Screen Display in order to allow microprocessing unit 24 obtain screen display, OSD) the colour temperature type setting value in, obtain the magnitude of voltage in the qualified magnitude of voltage record in view of the above, and apply corresponding to the voltage of magnitude of voltage and give backlight module 293, make LCD 11 shown pictures have screen display and set specified specific colour temperature type.
Fig. 3 is the hardware structure figure of expression according to the computing machine 15 of the embodiment of the invention, comprising processing unit 31, storer 32, memory storage 33, output unit 34, input media 35, communicator 36, and uses bus 37 that it is linked together.In addition, haveing the knack of this skill personage also can be implemented on computing machine 15 on other Computer Systems Organization (configuration), for example, multicomputer system, based on microprocessor or programmable consumption electronic products (microprocessor-based orprogrammable consumer electronics), network computer, mini-computer, mainframe, mobile computer and similar equipment.Processing unit 31 can comprise a single CPU (central processing unit) (central-processing unit; CPU) or close a plurality of parallel processing units be connected in parallel computing environment (parallelprocessing environment).Storer 32 comprises ROM (read-only memory) (read only memory; ROM), flash memory (flsh ROM) with and/or random access memory (randomaccess memory; RAM), can be in order to storage for the program module and the data of processing unit 31 execution.Generally speaking, program module comprises Chang Xu (routines), program (program), object (object), assembly (component) etc., adjusts function in order to carry out colour temperature.The present invention can also be implemented on the distributed arithmetic environment, and it is performed that its computing work is linked to the teleprocessing equipment of telecommunication network by one.In distributed environment, perhaps the function executing of computing machine 15 is finished jointly by this locality and multi-section remote computer system.
When 293 generations of the backlight module in the LCD 11 are backlight, colour temperature measurement device 13 is the color temperature parameters of detection LCD monitor 11 shown pictures repeatedly, be cie color coordinate (chromaticity coordinates) under preferable situation, and send detected color temperature parameters to computing machine 15.
First embodiment
Fig. 4 is the method flow diagram of the color temperature adjusting method of expression first embodiment of the invention.The method is carried out by the microprocessing unit in the LCD 11 24.At step S411, receive by colour temperature pick-up unit 13 detected color temperature parameters by computing machine 15.At step S421, obtain the color temperature parameters of benchmark, this is a predetermined value.At step S431, foundation difference between the two determines whether this colour temperature adjustment finishes, and is the processing of then carrying out step S433, otherwise carries out the processing of step S435.Whether step S431 can fall into an acceptable scope by the difference between the color temperature parameters of judging detected color temperature parameters and benchmark, is then to finish whole colour temperature adjustment process.At step S433, storage corresponding to the magnitude of voltage of the voltage of present driving backlight module 293 to memory storage 27, make LCD 11 when power supply opening, to read the stored voltage value earlier, and apply corresponding to the voltage of the magnitude of voltage that reads and give backlight module 293.It is noted that at this, if backlight module 293 is made up of white organic LED, then this magnitude of voltage representative drives the voltage of white organic LED, in addition, if backlight module 293 is made up of ruddiness, green glow and blue light Organic Light Emitting Diode, then this magnitude of voltage is represented the voltage that drives ruddiness, green glow and blue light Organic Light Emitting Diode respectively.At step S435, drive the magnitude of voltage of backlight module 293 according to difference decision/adjustment between the two.At step S437, apply corresponding to the voltage of the magnitude of voltage that determines and give backlight module 293.In ideal conditions, when applying voltage corresponding to the decision magnitude of voltage during to backlight module 293, by colour temperature pick-up unit 13 detected new color temperature parameters can more detected color temperature parameters near the color temperature parameters of benchmark.
Moreover first embodiment of the invention more proposes a kind of computer readable memory medium, and in order to store a computer program, aforementioned calculation machine program is in order to realize color temperature adjusting method, and these methods can be carried out aforesaid step.Fig. 5 is the computer readable memory medium synoptic diagram that expression is adjusted according to the colour temperature of first embodiment of the invention.This medium 50, adjust computer program 520 in order to the storage colour temperature, its computer program comprises six logics, and whether the color temperature parameters logic 522 that be respectively and receive detected color temperature parameters logic 521, obtains benchmark, the adjustment of decision colour temperature finish logic 523, storage corresponding to the magnitude of voltage logic 524 of the voltage of present driving backlight module, according to color temperature parameters decision/the adjustments magnitude of voltage logic 525 of detected color temperature parameters and benchmark and apply voltage corresponding to the magnitude of voltage that determines to backlight module logic 526.
Second embodiment
Fig. 6 is the method flow diagram of the color temperature adjusting method of expression second embodiment of the invention.The method is carried out by the processing unit in the computing machine 15 31.At step S611, receive detected color temperature parameters by colour temperature measurement device 13.At step S621, obtain the color temperature parameters of benchmark, this is a predetermined value.At step S631, foundation difference between the two determines whether this colour temperature adjustment finishes, and is the processing of then carrying out step S633, otherwise carries out the processing of step S635.Whether step S631 can fall into an acceptable scope by the difference between the color temperature parameters of judging detected color temperature parameters and benchmark, is then to finish whole colour temperature adjustment process.At step S633, microprocessing unit 24 storage in the indicator solution crystal display 11 corresponding to the magnitude of voltage of the voltage of present driving backlight module 293 to memory storage 27, make that LCD 11 can be when electric power starting, read the stored voltage value earlier, and apply corresponding to the voltage of the magnitude of voltage that reads and give backlight module 293.At step S635, drive the magnitude of voltage of backlight module 293 according to difference decision/adjustment between the two.At step S637, the microprocessing unit 24 in the indicator solution crystal display 11 applies corresponding to the voltage of the magnitude of voltage that determines and gives backlight module 293.
Moreover second embodiment of the invention more proposes a kind of computer readable memory medium, and in order to store a computer program, aforementioned calculation machine program is in order to realize color temperature adjusting method, and these methods can be carried out aforesaid step.Fig. 7 is the computer readable memory medium synoptic diagram that expression is adjusted according to the colour temperature of second embodiment of the invention.This medium 70, adjust computer program 720 in order to the storage colour temperature, its computer program comprises six logics, the color temperature parameters logic 722 that be respectively and receive detected color temperature parameters logic 721, obtains benchmark, the adjustment of decision colour temperature whether finish logic 723, indicator solution crystal display with storage corresponding to the magnitude of voltage logic 724 of the voltage of present driving backlight module, according to color temperature parameters decision/the adjustments magnitude of voltage logic 725 of detected color temperature parameters and benchmark and indicator solution crystal display to apply voltage corresponding to the magnitude of voltage that determines to backlight module logic 726.
It is noted that at this above-described color temperature adjusting method can adjust many group magnitudes of voltage, and is stored in the memory storage 27.For example, can in step S421/S621, obtain the benchmark color temperature parameters of inclined to one side indigo plant, adjust the magnitude of voltage that can make picture blue partially according to this, and this magnitude of voltage is stored in the memory storage 27.In addition, can in step S421/S621, obtain red partially benchmark color temperature parameters, adjust the magnitude of voltage that can make picture red partially according to this, and this magnitude of voltage is stored in the memory storage 27.And each magnitude of voltage of storage can be gone up an identification marking more, when giving backlight module 293 in order to point out to apply this magnitude of voltage, can make picture indigo plant or red partially partially.
It is noted that at this, if backlight module 293 is made up of white organic LED, then this stored voltage value representative drives the voltage of white organic LED, in addition, if backlight module 293 is made up of ruddiness, green glow and blue light Organic Light Emitting Diode, then this stored voltage value is represented the voltage that drives ruddiness, green glow and blue light Organic Light Emitting Diode respectively.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those who are familiar with this art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (7)
1. color temperature adjusting method, its method comprises:
Obtain first color temperature parameters and second color temperature parameters;
Judge whether the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters falls into an acceptable scope; And
When the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters fell into above-mentioned acceptable scope, storage was corresponding to first magnitude of voltage of the present voltage that puts on the backlight module in the display device extremely in the memory storage in the above-mentioned display device,
Make above-mentioned display device when electric power starting, apply corresponding to the voltage of first magnitude of voltage of above-mentioned storage and give above-mentioned backlight module;
When the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters does not fall into above-mentioned acceptable scope, determine second magnitude of voltage according to the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters; And
Apply corresponding to the voltage of the above-mentioned second magnitude of voltage above-mentioned backlight module to the above-mentioned display device.
2. temperature method of adjustment as claimed in claim 1, wherein, described first color temperature parameters is corresponding to a mark, and above-mentioned mark is in order to point out that the picture corresponding to above-mentioned first color temperature parameters is the picture with specific colour temperature.
3. temperature method of adjustment as claimed in claim 2 in storing step, is more stored the above-mentioned above-mentioned memory storage that is tagged in the above-mentioned display device, and above-mentioned mark is associated with above-mentioned first magnitude of voltage.
4. display device comprises:
Backlight module;
Memory storage is stored first magnitude of voltage; And
Processing unit is coupled to above-mentioned backlight module and above-mentioned memory storage, reads above-mentioned first magnitude of voltage, applies corresponding to the voltage of first magnitude of voltage of above-mentioned storage and gives above-mentioned backlight module;
Described processing unit is obtained first color temperature parameters and second color temperature parameters, judge whether the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters falls into an acceptable scope, and when the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters fell into above-mentioned acceptable scope, storage was corresponding to above-mentioned first magnitude of voltage of the present voltage that puts on above-mentioned backlight module extremely in the above-mentioned memory storage;
Described processing unit is not more when the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters falls into above-mentioned acceptable scope, determine second magnitude of voltage according to the difference between above-mentioned first color temperature parameters and above-mentioned second color temperature parameters, and apply corresponding to the voltage of above-mentioned second magnitude of voltage above-mentioned backlight module extremely.
5. display device as claimed in claim 4, wherein, described first color temperature parameters representative is by the detected color temperature parameters of a colour temperature measurement device, and above-mentioned second color temperature parameters is represented the benchmark color temperature parameters.
6. display device as claimed in claim 4, wherein, described first color temperature parameters is corresponding to a mark, and above-mentioned mark is in order to point out that the picture corresponding to above-mentioned first color temperature parameters is the picture with specific colour temperature.
7. display device as claimed in claim 6, wherein, described processing unit is more stored the above-mentioned above-mentioned memory storage that is tagged to, and above-mentioned mark is associated with above-mentioned first magnitude of voltage.
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| CNB2005100795442A CN100414595C (en) | 2005-06-23 | 2005-06-23 | Color temperature adjusting method and display device employing the same |
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| CNB2005100795442A CN100414595C (en) | 2005-06-23 | 2005-06-23 | Color temperature adjusting method and display device employing the same |
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| CN100414595C true CN100414595C (en) | 2008-08-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122483B (en) * | 2010-12-22 | 2013-08-21 | 利亚德光电股份有限公司 | Method and system for monitoring LED (light-emitting diode) display screen as well as LED display |
| CN103218980B (en) * | 2013-03-27 | 2015-06-03 | 京东方科技集团股份有限公司 | Color temperature regulating method, color temperature regulating device and display device |
| CN105590578A (en) * | 2014-10-20 | 2016-05-18 | 深圳富泰宏精密工业有限公司 | Eye protection system and method capable of automatically turning on blue light filter |
| CN107545869A (en) * | 2017-10-17 | 2018-01-05 | 努比亚技术有限公司 | Screen color temp method of adjustment, mobile terminal and computer-readable recording medium |
| CN109817130B (en) * | 2019-01-30 | 2023-11-10 | 西藏创煌信息科技有限公司 | Color temperature regulating method, device and computer readable storage medium |
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| US20050128316A1 (en) * | 2003-12-12 | 2005-06-16 | Canon Kabushiki Kaisha | Image processing system |
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