CN106102248A - A kind of illumination control method, illuminator and terminal - Google Patents
A kind of illumination control method, illuminator and terminal Download PDFInfo
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- CN106102248A CN106102248A CN201610601344.7A CN201610601344A CN106102248A CN 106102248 A CN106102248 A CN 106102248A CN 201610601344 A CN201610601344 A CN 201610601344A CN 106102248 A CN106102248 A CN 106102248A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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- H05B45/10—Controlling the intensity of the light
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Abstract
The invention provides a kind of illumination control method, illuminator and terminal.Wherein, the method includes: obtaining the first photochroic features data of screen, wherein, the first photochroic features data include: the color characteristic data of screen and the brightness data of screen；The first photochroic features data according to screen determine the second photochroic features data of each color light source of the illuminator being associated with screen, and wherein, the second photochroic features data include: the color characteristic data of each color light source and brightness data；The second photochroic features Data Control according to each color light source is illuminating device luminous.In the embodiment of the present invention, the photochroic features such as the color by data collecting module collected screen, and then utilize the color of screen, brightness illuminating device luminous to regulate, so that the houselights of illuminator can be well suited for the display content of screen, improve user and watch the experience of screen and improve vision health.
Description
Technical field
The present invention relates to field of illumination lamp technology, particularly relate to a kind of illumination control method, illuminator and terminal.
Background technology
Watching various video on the display screen of television set, computer or cinema has been must in people's daily life
Indispensable looses.People are typically when viewing lamp is being turned on or is regarding watching under lamp closedown both states
Frequently, such as, cinema, when playing film, may often be such that and turns off light, and people are to see a film in the dark；Or see at home
During TV, people may often be such that and lamp is opened, and sees TV under the illumination of light.This time, television set, computer or cinema
Lighting control in the environment that the back lighting of the display screen when playing these media contents and people were at that time is
Two parallel systems, are not directly dependent upon each other, and ambient lighting will not change along with the conversion of the brightness of screen.Ratio
As, in family parlor, the camera lens that the sun beats down play by TV, and the light in parlor will not be because of such a camera lens occur
And increase brightness and become warm tones, and in some correlation technique, although the brightness of screen may be along with the change of ambient light
Change and change, but the sensitivity changed ambient light due to the screen of ambient light sensor and playback equipment is the highest, generally
Will cause that screen intensity changes delayed and user's defect to the demand of screen intensity comfort level cannot be met, or,
The brightness of screen can't change along with the change of ambient light, and in this case, the viewing experience of people receives greatly
Destruction, usually have a kind of sensation not to one's heart's content.
But, the insensitivity that ambient light changed in the face of the screen of playback equipment and the Consumer's Experience that causes is bad
Problem, thus this problem urgently to be resolved hurrily.
Summary of the invention
In view of the above problems, it is proposed that the present invention in case provide one overcome the problems referred to above or at least in part solve on
State problem.
According to an aspect of of the present present invention, it is provided that a kind of illumination control method, including:
Obtaining the first photochroic features data of screen, wherein, described first photochroic features data include: the face of described screen
Color characteristic data and the brightness data of described screen；
The first photochroic features data according to described screen determine every kind of face of the illuminator being associated with described screen
Second photochroic features data of color light source, wherein, the second photochroic features data of described each color light source include: described every kind
The color characteristic data of colour light source and expectation brightness data；
Described in the second photochroic features Data Control according to described each color light source illuminating device luminous.
Alternatively, the first photochroic features data of described acquisition screen, including:
Gather the intensity data of the trichroism each component of RGB of described screen, strong according to the trichroism each component of the RGB of described screen
Degrees of data calculates the first photochroic features data obtaining described screen.
Alternatively, the color characteristic data of described screen, including: the chromaticity coordinates of described screen；
The intensity data of the described each component of the RGB according to described screen calculates the first photochroic features number obtaining described screen
According to, including:
According to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of described screen each component is converted to CIE mark
Quasi-tristimulus values X, Y, Z, and according to described CIE tristimulus values X, Y, Z calculate described screen chromaticity coordinates (x, y)；And
The brightness data of described screen is obtained after parameter Y is corrected.
Alternatively, the color characteristic data of described each color light source, including: described each color light source participates in mixed light
Participation ratio；
Described the first photochroic features data according to described screen determine the every of the illuminator that is associated with described screen
Plant the second photochroic features data of colour light source, including:
The each color light source obtaining described illuminator participates in the reference color coordinate of mixed light；
Chromaticity coordinates and the reference colour of each color light source participation mixed light of described illuminator according to described screen are sat
Mark calculates the participation ratio of the shades of colour light source participation mixed light of described illuminator；
The participation ratio of described shades of colour light source participation mixed light and the brightness data of described screen is utilized to be calculated
The described expectation brightness data of each color light source of described illuminator.
Alternatively, the described brightness data utilizing described participation ratio and described screen is calculated described illuminator
The described expectation brightness data of each color light source, including:
Obtain the driving electric current of described illuminator each color light source, and participate in mixed light according to described shades of colour light source
Participation ratio and the Current calculation that drives of each color light source obtain the light modulation ratio of each color light source；
The light modulation ratio of described each color light source and the brightness data of described screen is utilized to be calculated described illumination
The described expectation brightness data of each color light source of device.
According to another aspect of the present invention, it is provided that a kind of illuminator, including: light source, also include:
Data processing module, for obtaining the first photochroic features data of screen of terminal, and according to the of described screen
One photochroic features data determine the second photochroic features data of each color light source of the illuminator being associated with described screen,
Wherein, described first photochroic features data include: the color characteristic data of described screen and the brightness data of described screen；Described
Second photochroic features data of each color light source include: the color characteristic data of described each color light source and expectation brightness number
According to；
Lighting control module, for according to illumination dress described in the second photochroic features Data Control of described each color light source
Put luminescence.
Optionally, also include: data acquisition module, for gathering the intensity data of the trichroism each component of RGB of described screen,
And the intensity data of trichroism for the RGB of described screen each component is transmitted to described data processing module；Described data processing module,
Intensity data specifically for the trichroism each component of the RGB according to described screen calculates the first photochroic features number of the described screen of acquisition
According to.
Optionally, the color characteristic data of described screen, including: the chromaticity coordinates of described screen；Described data processing module,
Intensity data specifically for each component of the RGB according to described screen calculates the first photochroic features data of the described screen of acquisition,
Including: according to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of described screen each component is converted to CIE standard
Tristimulus values X, Y, Z, and according to described CIE tristimulus values X, Y, Z calculate described screen chromaticity coordinates (x, y)；And to ginseng
Number Y obtains the brightness data of described screen after being corrected.
Optionally, the color characteristic data of described each color light source, including: described each color light source participates in mixed light
Participation ratio；Described data processing module, for determining and described screen phase according to the first photochroic features data of described screen
Second photochroic features data of each color light source of the illuminator of association, including: described data processing module, it is used for obtaining
The each color light source of described illuminator participates in the reference color coordinate of mixed light；Chromaticity coordinates according to described screen and described photograph
The shades of colour light source of the reference color coordinate described illuminator of calculating that each color light source of bright device participates in mixed light participates in mixed
The participation ratio of light, and utilize described shades of colour light source to participate in participation ratio and the brightness data meter of described screen of mixed light
Calculate the described expectation brightness data of each color light source obtaining described illuminator.
Optionally, described data processing module, based on the brightness data utilizing described participation ratio and described screen
Calculate the described expectation brightness data of each color light source obtaining described illuminator, including: obtain every kind of described illuminator
The driving electric current of colour light source, and participate in the participation ratio of mixed light and each color light source according to described shades of colour light source
Current calculation is driven to obtain the light modulation ratio of each color light source；Utilize the light modulation ratio of described each color light source and described
The brightness data of screen is calculated the described expectation brightness data of each color light source of described illuminator.
According to another aspect of the present invention, it is provided that a kind of terminal, including: screen, also include illuminating dress as above
Put.
In the embodiment of the present invention, by photochroic features such as the colors of data collecting module collected screen, and then utilize screen
Color, brightness regulate illuminating device luminous, so that the houselights of illuminator can be well suited for screen
Display content, improves user and watches the experience of screen and improve vision health.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow above and other objects of the present invention, the feature and advantage can
Become apparent, below especially exemplified by the detailed description of the invention of the present invention.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, advantage and the feature of the present invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
Fig. 1 shows the flow chart of a kind of illumination control method；
Fig. 2 shows the structural representation of a kind of terminal；
Fig. 3 shows the structural representation of a kind of illuminator；
Fig. 4 shows the structural representation of another kind of according to an embodiment of the invention illuminator；
Fig. 5 shows the structural representation of another kind of according to an embodiment of the invention terminal.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
For solving above-mentioned technical problem, embodiments provide a kind of method regulating screen illumination device.Fig. 1 shows
Go out the flow chart of a kind of method regulating screen illumination device.Seeing Fig. 1, the method is at least
Including step S102 to step S106.
Step S102, obtains the first photochroic features data of screen, and wherein, the first photochroic features data include: screen
Color characteristic data and the brightness data of screen.
The present invention is forbidden for the brightness overcoming in prior art the intensity according to ambient light to regulate playback equipment screen
Really, not in time, the purpose of inconvenient drawback, it is proposed that one is easier, efficiently, illumination control method, data acquisition efficiently
Collection module uses RGB color sensor to gather the photochroic features of screen, regulates screen illumination by the color of screen, brightness
Device is luminous (such as color, brightness).Therefore, in step s 102, as the optional embodiment of one, the first of screen is obtained
Photochroic features data, including: gather the intensity data of the trichroism each component of RGB of screen, according to the trichroism each component of the RGB of screen
Intensity data calculates the first photochroic features data of screen.
Wherein, the intensity data of the trichroism each component of the RGB of screen is by RGB color sensor acquisition.RGB color sensor exists
After collecting the intensity data of the trichroism each component of RGB of current screen, it is directly output to data processing module and (photograph can be integrated in
The micro-control unit (Microcontroller Unit, MCU) of bright device), data processing module carry out a series of data
Process, draw and may finally drive the second photochroic features data controlling illuminator, such that it is able to regulation illuminator is defeated
Go out to reach the luminous environment that the photochroic features with screen matches, meet the comfort level demand of user's viewing.
Wherein, the color characteristic data of screen, including: the chromaticity coordinates of screen；The described each component of the RGB according to described screen
Intensity data calculate described screen the first photochroic features data, including:
According to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of screen each component is converted to CIE standard three
Colour X, Y, Z, and according to CIE tristimulus values X, Y, Z calculate screen chromaticity coordinates (x, y)；And, parameter Y is carried out school
Obtain the brightness data L of described screen the most afterwards.
In the present embodiment, can be corrected luminance parameter Y according to L=aY, wherein a is regulation coefficient.This adjustment
Coefficient be technical staff in actual applications by test of many times by desired for screen brightness and reference instrument are measured
Data carry out contrasting and obtain.Such as, the value of Y is 510mcd, by obtaining the brightness data L of screen after correction is
500mcd。
Step S104, determines the every of the illuminator that is associated with screen according to the first photochroic features data of described screen
Planting the second photochroic features data of colour light source, wherein, the second photochroic features data include: the color characteristic of each color light source
Data and expectation brightness data.
In the present embodiment, the illuminator being associated with screen can be arranged on any position of screen, such as, is arranged on
Below screen, as backlight, it is also possible to as indoor illuminator, but, this illuminator associates with screen,
The adjustment of brightness can be carried out along with the change of the brightness of screen.Along with LED (Light Emitting Diode, luminescence two
Pole is managed) the reaching its maturity of technology, LED has become as trend as light source, in the present embodiment, all enters using LED as illuminator
Row explanation.LED described here can refer to encapsulation LED, unencapsulated LED, surface mount LED, chip on board LED, include a certain
The LED of type optical element.Using LED light device, one of which scheme is exactly that the LED using red, green, blue trichroism is mixed into
The illuminator of white, and the RGB each color light source of illuminator how mixed light can mate desired screen intensity is exactly
The present invention is actually subjected to solve the technical problem that, in the present embodiment, obtain screen chromaticity coordinates (x, y) and brightness data L
After, it is possible to the second of each color light source the photochromic spy in three primary colours RGB of illuminator is calculated according to step S104
Levy data, just can control according to these the second photochroic features data illuminating device luminous to adapt to the photochroic features of screen.
Wherein, the color characteristic data of each color light source of illuminator, including: each color light source participates in mixed light
Participation ratio；
Specifically, step S104 determines the illumination dress being associated with screen according to the first photochroic features data of described screen
Second photochroic features data of each color light source put, comprise the following steps (S104a～S104c):
Step S104a, each color light source obtaining illuminator participates in the reference color coordinate of mixed light；
Whole illuminator can preset each color light source and participate in the reference color coordinate of mixed light, the reference colour of HONGGUANG
Coordinate (XR,YR), the reference color coordinate (X of green glowG,YG), the reference color coordinate (X of blue lightB,YB)；
Step S104b, according to the chromaticity coordinates of screen (x, y) and each color light source of illuminator participates in the mark of mixed light
Quasi-chromaticity coordinates calculates the participation ratio of the shades of colour light source participation mixed light of illuminator；
In this step, shades of colour light source can be calculated with specific reference to below equation and participate in the participation ratio of mixed light
(Pr, Pg, Pb):
Wherein, Pr, Pg, Pb are the participation ratio (percentage ratio) that three kinds of colour light sources of red, green, blue participate in mixed light, and x, y are screen
The chromaticity coordinates of curtain, Xr, Yr are the reference color coordinate of HONGGUANG, and Xg, Yg are the reference color coordinate of green glow, and Xb, Yb are the standard of blue light
Chromaticity coordinates.
Step S104c, utilizes above-mentioned shades of colour light source to participate in participation ratio (Pr, Pg, Pb) and the step of mixed light
The brightness data L of the screen obtained in S102 be calculated the expectation brightness data of each color light source of illuminator: Lr,
Lg、Lb。
Such as, the brightness data L of screen is 500mcd, participates in ratio Pr:Pg:Pb=3:6:1, then can obtain Lr=
150mcd, Lg=300mcd, Lb=50mcd.
Expectation brightness data by each color light source of illuminator obtained above: Lr, Lg, Lb just can control to shine
Bright device is luminous.
Driving control three-color light source luminous for the ease of controlling three road light sources of illuminator, step S104c can also have
Body comprises the following steps:
A1, the driving electric current (Ir, Ig, Ib) of acquisition illuminator each color light source, and join according to shades of colour light source
It is calculated every kind of face with the participation ratio (Pr, Pg, Pb) of mixed light and the driving electric current (Ir, Ig, Ib) of each color light source
The light modulation ratio (Dr, Dg, Db) of color light source；
Wherein, the driving electric current (Ir, Ig, Ib) of each color light source is the corresponding light source led driving each color and sends out
The driving electric current of light, in general, the driving electric current of the LED of each color is different, such as, and red driving 1A, green
Driving 1A, blue for 0.5A, so, directly can not control the bright of each color light source accurately by participation ratio
Degree, therefore, it is also desirable to calculate based on each paths of LEDs under it drives electric current, concrete light modulation ratio is how many, i.e. needs to calculate
The light modulation ratio of each color light source.PWM light mixing way is the major way of current LED mixed light, to dim ratio as dutycycle
As a example by, certain the present embodiment is not precluded from the light modulation ratio of other modes.As a example by PWM mode, it is simply that by regulation dutycycle
Realize the control to LED light source brightness.
Such as, each color light source participate in mixed light light modulation ratio can according to the participation ratio of each color light source and
Drive electric current can obtain according to mode calculated below:
Dr=Pr*Ir, Dg=Pg*Ig, Db=Pb*Ib
Wherein, DR, DG, DB are respectively RGB3 kind colour light source and participate in the light modulation ratio (such as dutycycle) of mixed light.
Such as, the participation ratio of redgreenblue light source is 30%, 30% and 40%, and red driving electric current is 1A, green
The driving electric current of color is 1A, and blue driving electric current is for 0.5A, then the dutycycle of redgreenblue light source is 20%, 30% He
20%.
The brightness data L of the screen obtained in A2, the light modulation ratio utilizing described each color light source and step S102
It is calculated the expectation brightness data of each color light source of illuminator: Lr, Lg, Lb.
Such as, the brightness data L of screen is 500mcd, and dutycycle is DR=20%, DG=30%, DB=20%, then may be used
To obtain Lr2=100mcd, Lg2=150mcd, Lb2=100mcd.
Thus, the expectation brightness data of each color light source of the illuminator obtained by above-mentioned steps A3 (Lr, Lg,
Lb) light source luminescent of every road color of illuminator can just be controlled.
For by gathering screen light color characteristic regulation illuminator, LED light device can be by output and screen
Color and the brightness of screen is strengthened in the color of curtain color matching and brightness, such as, when screen themes is redness, LED illumination fills
Put output red light, thus play the effect that picture extends.The most such as, keep the export ratio of LED light device at 0-100%
Between, this ratio is mainly carried out according to the brightness ratio of screen, as completely black in screen, and LED light lamp does not works, if screen is
Big brightness, LED is also high-high brightness.And for color, too, when the dominant hue of screen is redness, LED output
Dominant hue is also red, and the two color dot mainly obtained by RGB color sensor carrys out the coordinating and unifying.
Therefore, in three primary colours RGB of illuminator the output brightness of each color light source have above-mentioned output brightness Lr,
After Lg, Lb, it is possible to reach to regulate color and the effect of brightness of screen.
Step S106, sends out according to the second photochroic features Data Control illuminator of each color light source of illuminator
Light.
In the present embodiment, in by step S104, it is calculated each color light source in three primary colours RGB of illuminator
Participate in mixed light brightness data: after Lr, Lg, Lb, it is possible to the three-color light source thus controlling described illuminator is luminous.
The method of the regulation screen illumination device that the present embodiment provides, by the color of RGB color sensor acquisition screen
Deng photochroic features, and then utilize the color of screen, brightness illuminating device luminous to regulate, so that the illuminating lamp of illuminator
Light can be well suited for the display content of screen, improves user and watches the experience of screen and improve vision health.
Based on same inventive concept, the embodiment of the present invention also provides for a kind of terminal.Seeing Fig. 2, this terminal at least includes: screen
Curtain 100 and the illuminator 200 of described screen 100 association, the terminal that the present embodiment provides can for example, mobile terminal, electricity
Depending on, PC, intelligent watch, game machine etc. there is the equipment of screen, the illuminator 200 being associated with screen 100 can be arranged
In any position relevant to screen, such as, it is arranged on below screen, as backlight, it is also possible to as indoor illumination
Device, but, this illuminator 200 associates with screen 100, and this illuminator 200 can be along with the output of screen 100
Change and carry out the adjustment of light.
Fig. 3 shows the structural representation of a kind of illuminator 200.Fig. 4 shows root
Structural representation according to the another kind of illuminator 200 of one embodiment of the invention.Fig. 5 shows according to an embodiment of the invention
The structural representation of another kind of terminal；Seeing Fig. 3, Fig. 4 and Fig. 5, this illuminator 200 at least may include that light source 20, also may be used
To include:
Data processing module 30, for obtaining the first photochroic features data of screen, and according to the first light of described screen
Color characteristic data determine the second photochroic features data of each color light source of the illuminator being associated with described screen, its
In, described first photochroic features data include: the color characteristic data of described screen and the brightness data of described screen；Described often
The the second photochroic features data planting colour light source include: the color characteristic data of described each color light source and expectation brightness number
According to；
Lighting control module 40, luminous for the three-color light source according to described second photochroic features Data Control light source 20.
In the present embodiment, in actual applications, data processing module 20 can be integrated in the micro-control unit of illuminator
In (Microcontroller Unit, MCU).
In another embodiment of the invention, as shown in Figure 4, this device can also include:
Data acquisition module 50, for gathering the intensity data of the trichroism each component of RGB of described screen 100, and by described
The intensity data transmission of the trichroism each component of RGB of screen is to described data processing module；In the present embodiment, data acquisition module can
To use color sensor, it is certainly not limited to this, as long as the RGB data of screen can be collected.
Described data processing module 30, the intensity data specifically for the trichroism each component of the RGB according to described screen calculates
First photochroic features data of described screen 100.
As the optional embodiment of the one in the present embodiment, the color characteristic data of described screen 100, including: described
The chromaticity coordinates of screen 100；
Described data processing module 30, the intensity data specifically for each component of RGB according to described screen 100 calculates institute
State the first photochroic features data of screen 100, including:
According to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of described screen each component is converted to CIE mark
Quasi-tristimulus values X, Y, Z, and chromaticity coordinates x, y of described screen is calculated according to described CIE tristimulus values X, Y, Z；And to ginseng
Number Y obtains the brightness data of described screen after being corrected.
In the present embodiment, can be corrected luminance parameter Y according to L=aY, wherein a is regulation coefficient.This adjustment
Coefficient be technical staff in actual applications by test of many times by desired for screen brightness and reference instrument are measured
Data carry out contrasting and obtain.Such as, the value of Y is 510mcd, by obtaining the brightness data L of screen after correction is
500mcd。
As the optional embodiment of the one in the present embodiment, the color characteristic data of described each color light source, including:
Described each color light source participates in the participation ratio of mixed light；
Data processing module 30, is associated with described screen for determining according to the first photochroic features data of described screen
The second photochroic features data of each color light source of illuminator, including:
Data processing module 30, the reference colour participating in mixed light for obtaining each color light source of described illuminator is sat
Mark；Each color light source according to described chromaticity coordinates and described illuminator participates in the reference color coordinate of mixed light and calculates described photograph
The shades of colour light source of bright device participates in the participation ratio (Pr, Pg, Pb) of mixed light, and it is mixed to utilize described shades of colour light source to participate in
The participation ratio (Pr, Pg, Pb) of light and the brightness data L of described screen are calculated three primary colours RGB of described illuminator
The expectation brightness data (Lr, Lg, Lb) of middle each color light source.
Wherein, whole illuminator can preset each color light source and participate in the reference color coordinate of mixed light, HONGGUANG
Reference color coordinate (XR,YR), the reference color coordinate (X of green glowG,YG), the reference color coordinate (X of blue lightB,YB)；Data processing module
30 can obtain assorted reference color coordinate according to default.Specifically it is calculated shades of colour light source and participates in the participation of mixed light
The formula of ratio (Pr, Pg, Pb) refer to the description in the method for above-mentioned regulation screen illumination device.
Such as, the brightness data L of screen is 500mcd, participates in ratio Pr:Pg:Pb=3:6:1, then can obtain Lr=
150mcd, Lg=300mcd, Lb=50mcd.
Expectation brightness data by each color light source of illuminator obtained above: Lr, Lg, Lb just can control to shine
Bright device is luminous.
Drive control three-color light source luminous, as in the present embodiment for the ease of controlling three road light sources of illuminator
Planting optional embodiment, data processing module 30, for utilizing the brightness data of described participation ratio and described screen to calculate
Obtain the described expectation brightness data of each color light source of illuminator 200, specifically include:
Data processing module 30 obtains the driving electric current (Ir, Ig, Ib) of illuminator 200 each color light source, and according to
Described shades of colour light source participate in the participation ratio (Pr, Pg, Pb) of mixed light and each color light source driving electric current (Ir, Ig,
Ib) the light modulation ratio (Dr, Dg, Db) of each color light source it is calculated；
The light modulation ratio (Dr, Dg, Db) of described each color light source and the brightness data L of screen 100 is utilized to calculate
Expectation brightness data Lr, Lg, Lb to each color light source of illuminator 200.Specifically it is referred to above-mentioned Lighting control side
Description in method.
Thus, the expectation brightness data of each color light source of the illuminator obtained by above-mentioned steps A3 (Lr, Lg,
Lb) light source luminescent of every road color of illuminator can just be controlled.
The illuminator of the present embodiment offer and terminal, by photochromic spies such as the colors of data collecting module collected screen
Levy, and then utilize the color of screen, brightness illuminating device luminous to regulate, so that the houselights of illuminator can be very
It is suitable for well the display content of screen, improves user and watch the experience of screen and improve vision health.
In description mentioned herein, illustrate a large amount of detail.It is to be appreciated, however, that the enforcement of the present invention
Example can be put into practice in the case of not having these details.In some instances, it is not shown specifically known method, structure
And technology, in order to do not obscure the understanding of this description.
Similarly, it will be appreciated that one or more in order to simplify that the disclosure helping understands in each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the present invention is grouped together into single enforcement sometimes
In example, figure or descriptions thereof.But, the method for the disclosure should not be construed to reflect an intention that i.e. required guarantor
The application claims feature more more than the feature being expressly recited in each claim protected.More precisely, as following
Claims reflected as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
The claims following detailed description of the invention are thus expressly incorporated in this detailed description of the invention, the most each claim itself
All as the independent embodiment of the present invention.
Those skilled in the art are appreciated that and can carry out the module in the equipment in embodiment adaptively
Change and they are arranged in one or more equipment different from this embodiment.Can be the module in embodiment or list
Unit or assembly are combined into a module or unit or assembly, and can put them in addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit excludes each other, can use any
Combine all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so disclosed appoint
Where method or all processes of equipment or unit are combined.Unless expressly stated otherwise, this specification (includes adjoint power
Profit requires, summary and accompanying drawing) disclosed in each feature can be carried out generation by providing identical, equivalent or the alternative features of similar purpose
Replace.
Although additionally, it will be appreciated by those of skill in the art that embodiments more described herein include other embodiments
Some feature included by rather than further feature, but the combination of the feature of different embodiment means to be in the present invention's
Within the scope of and form different embodiments.Such as, in detail in the claims, embodiment required for protection one of arbitrarily
Can mode use in any combination.
So far, although those skilled in the art will appreciate that the multiple of the most detailed present invention of illustrate and describing show
Example embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
Determine or derive other variations or modifications of many meeting the principle of the invention.Therefore, the scope of the present invention is it is understood that and recognize
It is set to and covers other variations or modifications all these.
Claims (11)
1. an illumination control method, it is characterised in that including:
Obtaining the first photochroic features data of screen, wherein, described first photochroic features data include: the color of described screen is special
Levy data and the brightness data of described screen；
The first photochroic features data according to described screen determine each color light of the illuminator being associated with described screen
The second photochroic features data in source, wherein, the second photochroic features data of described each color light source include: described each color
The color characteristic data of light source and expectation brightness data；
Described in the second photochroic features Data Control according to described each color light source illuminating device luminous.
Method the most according to claim 1, it is characterised in that
First photochroic features data of described acquisition screen, including:
Gather the intensity data of the trichroism each component of RGB of described screen, according to the intensity number of the trichroism each component of the RGB of described screen
According to calculating the first photochroic features data obtaining described screen.
Method the most according to claim 2, it is characterised in that
The color characteristic data of described screen, including: the chromaticity coordinates of described screen；
The intensity data of the described each component of the RGB according to described screen calculates the first photochroic features data obtaining described screen,
Including:
According to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of described screen each component is converted to CIE standard three
Colour X, Y, Z, and according to described CIE tristimulus values X, Y, Z calculate described screen chromaticity coordinates (x, y)；And
The brightness data of described screen is obtained after parameter Y is corrected.
Method the most according to claim 3, it is characterised in that
The color characteristic data of described each color light source, including: described each color light source participates in the participation ratio of mixed light；
Described the first photochroic features data according to described screen determine every kind of face of the illuminator being associated with described screen
Second photochroic features data of color light source, including:
The each color light source obtaining described illuminator participates in the reference color coordinate of mixed light；
Chromaticity coordinates according to described screen and the reference color coordinate meter of each color light source participation mixed light of described illuminator
The shades of colour light source calculating described illuminator participates in the participation ratio of mixed light；
The participation ratio of described shades of colour light source participation mixed light and the brightness data of described screen is utilized to be calculated described
The described expectation brightness data of each color light source of illuminator.
Method the most according to claim 4, it is characterised in that
The described brightness data utilizing described participation ratio and described screen is calculated each color of described illuminator
The described expectation brightness data of light source, including:
Obtain the driving electric current of described illuminator each color light source, and participate in the ginseng of mixed light according to described shades of colour light source
The light modulation ratio of each color light source is obtained with the Current calculation that drives of ratio and each color light source；
The light modulation ratio of described each color light source and the brightness data of described screen is utilized to be calculated described illuminator
The described expectation brightness data of each color light source.
6. an illuminator, it is characterised in that also include:
Data processing module, for obtaining the first photochroic features data of the screen of terminal, and according to the first light of described screen
Color characteristic data determine the second photochroic features data of each color light source of the illuminator being associated with described screen, its
In, described first photochroic features data include: the color characteristic data of described screen and the brightness data of described screen；Described often
The the second photochroic features data planting colour light source include: the color characteristic data of described each color light source and expectation brightness number
According to；
Lighting control module, for according to light source luminescent described in the second photochroic features Data Control of described each color light source.
Illuminator the most according to claim 6, it is characterised in that also include:
Data acquisition module, for gathering the intensity data of the trichroism each component of RGB of described screen, and by the RGB of described screen
The intensity data transmission of trichroism each component is to described data processing module；
Described data processing module, the intensity data for the trichroism each component of RGB according to described screen calculates and obtains described screen
First photochroic features data of curtain.
Illuminator the most according to claim 7, it is characterised in that
The color characteristic data of described screen, including: the chromaticity coordinates of described screen；
Described data processing module, the intensity data for each component of RGB according to described screen calculates and obtains described screen
First photochroic features data, including:
According to CIE1931 standard colorimetric space, the intensity data of trichroism for the RGB of described screen each component is converted to CIE standard three
Colour X, Y, Z, and according to described CIE tristimulus values X, Y, Z calculate described screen chromaticity coordinates (x, y)；And
The brightness data of described screen is obtained after parameter Y is corrected.
9. according to the illuminator described in any one of claim 6 to 8, it is characterised in that
The color characteristic data of described each color light source, including: described each color light source participates in the participation ratio of mixed light；
Described data processing module, is associated with described screen for determining according to the first photochroic features data of described screen
Second photochroic features data of each color light source of illuminator, including:
Described data processing module, participates in the reference color coordinate of mixed light for obtaining each color light source of described illuminator；
Chromaticity coordinates and the reference color coordinate of each color light source participation mixed light of described illuminator according to described screen calculate institute
The shades of colour light source stating illuminator participates in the participation ratio of mixed light, and utilizes described shades of colour light source to participate in the ginseng of mixed light
Described expectation brightness with each color light source that the brightness data of ratio and described screen is calculated described illuminator
Data.
Illuminator the most according to claim 9, it is characterised in that
Described data processing module, for utilizing the brightness data of described participation ratio and described screen to be calculated described photograph
The described expectation brightness data of each color light source of bright device, including:
Obtain the driving electric current of described illuminator each color light source, and participate in the ginseng of mixed light according to described shades of colour light source
The light modulation ratio of each color light source is obtained with the Current calculation that drives of ratio and each color light source；
The light modulation ratio of described each color light source and the brightness data of described screen is utilized to be calculated described illuminator
The described expectation brightness data of each color light source.
11. 1 kinds of terminals, including: screen, it is characterised in that also include the illumination dress as described in any one of claim 6～10
Put.
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| CN114666940A (en) * | 2022-03-01 | 2022-06-24 | 深圳市彩斓光电科技有限公司 | Intelligent synchronous color-obtaining atmosphere lighting system for display |
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| CN106102248B (en) | 2019-01-22 |
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