CN105848003A - Eye protection method suitable for display screen and eye protection device suitable for display screen - Google Patents
Eye protection method suitable for display screen and eye protection device suitable for display screen Download PDFInfo
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- CN105848003A CN105848003A CN201610186006.1A CN201610186006A CN105848003A CN 105848003 A CN105848003 A CN 105848003A CN 201610186006 A CN201610186006 A CN 201610186006A CN 105848003 A CN105848003 A CN 105848003A
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- Prior art keywords
- display screen
- eye protection
- eye
- brightness
- frequency
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
Abstract
The invention provides an eye protection method suitable for a display screen and an eye protection device suitable for a display screen, and belongs to the intelligent television technology field. The eye protection method is characterized in that an eye protection mode is turned on; the display parameter of the display screen can be adjusted according to the preset value, and comprises at least one of flicker frequency, brightness, and color temperature. After the eye protection mode is turned on, the display parameter, namely at least one parameter of the flicker frequency, the brightness, and the color temperature, can be adjusted according to the preset value, and the object of protecting the eyes can be achieved. The hardware modification of the conventional television is not required to be carried out, and the user is not required to wear the eyeglasses, or the television is not required to be provided with the film in an attached manner, and therefore the cost can be reduced. By adopting the above mentioned adjustment, the damages on the visual sense caused by the flicker, the brightness, and the high energy can be reduced at the same time.
Description
Technical field
The present embodiments relate to intelligent television technology field, particularly relate to a kind of display screen that is applicable to
Eye care method and device.
Background technology
Display screen ubiquitous in life extends our Cognitive Spaces.But, bad display sets
Standby and that viewing mode can be bigger to our eyes generation improperly injury, especially for growth and development
The child in stage.
During realizing the present invention, inventor finds the display screen of the prior art injury to eyes
Essentially from three aspects:
First, the visual fatigue that stroboscopic causes
Current light emitting diode (Light Emitting Diode, LED) display screen generally uses PWM
Pulse width modulation mode (Pulse-Width Modulation, PWM) carries out brightness regulation.The light modulation side of PWM
Formula so that LED backlight is opened according to the frequency set, closed, and light modulating frequency is usually set to 100-
200Hz.Human eye is when viewing, although will not experience fairly obvious film flicker, but watch meeting for a long time
Substantially feel visual fatigue.
Second, screen intensity arranges improper, and the human eye caused produces asthenopia phenomenon
When screen intensity sets too high, screen light intensity is too strong, and long-time viewing can make eyes generation burn
Sense；When screen intensity sets too low, picture detail is unintelligible, and long-time viewing can produce and significantly regard
Feel tired.
3rd, the high-energy light injury to human eye
Visible wavelength range is 400-750nm, in visible-range, and blue light (wavelength 400-500nm)
Owing to having relatively short wavelength, the energy that photon carries is most, referred to as high-energy light.Television set
LED backlight uses blue dies to add the mode of RG fluorescent material, containing more blue light ingredient.If
Long-term viewing, the high energy blue light of excess enters human eye, can accelerate the oxidation of macula retinae portion, not by macula lutea
The blue light absorbed also can coup injury optic cell.Due to the macula retinae of the child absorption energy to blue light
Power is weak, and the blue ray radiation amount that child's retina receives is about 2 times of adult, so blue ray radiation
Maximum to children's vision health effect, it is the colony needing most protection.
Prior art to reduce the screen injury to eyes, such as by reducing high energy blue light output:
Use and there is the relatively long LED-backlit module of blue wave band wavelength (by blue wave band crest by 440nm
Move to 460nm)；Or, user wears filter blue light glasses when watching television set；Or, aobvious
Show and on device, paste protection glass or protecting film.For using special LED-backlit module, although it can
Obtain preferable anti-blue light effect, but the LED-backlit module of this speciality cannot be applied to user
On the general television set bought, and it has of a relatively high cost.And wear filter blue light glasses or patch
The mode of film then, while increasing user use cost, reduces Consumer's Experience, and has a strong impact on
The viewing effect of television set and brightness.
Therefore, it is necessary to provide a kind of eye care method being applicable to display screen and device, solve prior art
Eye care method is relatively costly and the problem of poor user experience.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of eye care method being applicable to display screen and device, uses
Relatively costly and the user's body with solution prior art eye care method of employing during using display screen
Test poor problem.
The technical scheme that the embodiment of the present invention uses is as follows:
The embodiment of the present invention provides a kind of eye care method being applicable to display screen, and described method includes:
Open eye protection pattern；
According to the display parameters of preset value regulation display screen, described display parameters include flicker frequency, brightness
With at least one in colour temperature.
Preferably, in said method, the described display parameters according to preset value regulation display screen, described
Display parameters include at least one in flicker frequency, brightness and colour temperature, including:
Described flicker frequency is regulated by the frequency of the LED-backlit of described display screen being adjusted to predeterminated frequency；
And/or
Described brightness is regulated by the dutycycle of described LED-backlit being adjusted to default ratio.
Preferably, in said method, the display parameters of described regulation display screen, described display parameters include
At least one in flicker frequency, brightness and colour temperature, including:
The frequency regulation of described LED-backlit is regulated in the range of 200 to 1500HZ；And/or
By adjusting the dutycycle of described LED-backlit, by brightness regulation to 100 to 250cd/m2In the range of；
And/or
The regulation of described colour temperature is regulated in the range of 4500 to 8000K
Preferably, in said method, before described unlatching eye protection pattern, described method also includes:
Receive the instruction opening eye protection pattern of user's input.
Preferably, in said method, before described unlatching eye protection pattern, described method also includes:
Pre-setting the trigger event opening eye protection pattern, described trigger event includes in following event
At least one: the duty persistent period of display screen exceedes preset duration, judges that people's eye fatigue surpasses
Cross preset value, identify display screen before user include specifying user, current time to be included in pre-
If time period within；
Judge whether to occur described trigger event, and perform described after there occurs described trigger event
Open the step of eye protection pattern.
The embodiment of the present invention also provides for a kind of eye protector being applicable to display screen, and described device includes:
Opening module, is used for opening eye protection pattern；
Adjustment module, for regulating the display parameters of display screen, described display parameters include flicker frequency,
At least one in brightness and colour temperature.
Preferably, in said apparatus, described adjustment module includes:
Backlighting frequency adjustment module, the frequency for the LED-backlit by adjusting described display screen regulates institute
State flicker frequency；And/or
Backlight duty cycle adjustment module, for bright described in the duty cycle adjustment by the described LED-backlit of adjustment
Degree.
Preferably, in said apparatus, described backlighting frequency adjustment module, it is additionally operable at 200 to 1500HZ
In the range of regulate described LED-backlit frequency regulation；And/or
Described backlight duty cycle adjustment module, is additionally operable to the dutycycle by adjusting described LED-backlit, will
Brightness regulation is to 100 to 250cd/m2In the range of；And/or
Described adjustment module also includes colour temperature adjustment module, for regulating in the range of 4500 to 8000K
Described colour temperature regulates.
Preferably, in said apparatus, also include:
Receiver module, for before opening eye protection pattern, receives the eye protection pattern of opening of user's input
Instruction.
Preferably, in said apparatus, also include:
Module is set, for pre-setting the trigger event opening eye protection pattern, described trigger event bag
Include the most pre-conditioned at least one: the duty persistent period of display screen exceed preset duration,
Judge people's eye fatigue exceed preset value, identify display screen before user include specify user or
Within the current time is included in the default time period；
Judge module, is used for judging whether described trigger event；
Described opening module, is additionally operable to after described judge module judges to there occurs described trigger event
Perform the step of described unlatching eye protection pattern.
The technical scheme of the embodiment of the present invention has the advantage that after opening eye protection pattern, according in advance
If the display parameters of value regulation display screen, such as at least one parameter in flicker frequency, brightness or colour temperature,
Realize the purpose of eye protection, it is not necessary to existing television set is carried out the transformation of hardware, wears eye without user
Mirror or television set is carried out pad pasting, reduces cost.And, by above-mentioned regulation, can slow down simultaneously
Stroboscopic, brightness and high-energy light three are for the injury of vision.Further, user can input as required
Open the instruction of eye protection pattern or pre-set the trigger event opening eye protection pattern, further increasing
Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of eye care method being applicable to display screen that Fig. 1 provides for the embodiment of the present application one；
The flow chart of a kind of eye care method being applicable to display screen that Fig. 2 provides for the embodiment of the present application two；
The flow chart of a kind of eye care method being applicable to display screen that Fig. 3 provides for the embodiment of the present application three；
The module knot of a kind of eye protector being applicable to display screen that Fig. 4 provides for the embodiment of the present application four
Structure schematic diagram；
Fig. 5 provide for the embodiment of the present application four another be applicable to the module of eye protector of display screen
Structural representation.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
The embodiment of the present invention one provides a kind of eye care method being applicable to display screen, and this display screen can be
Using LED as the display screen of backlight module (i.e. LED-backlit), such as the display screen of intelligent TV set.
As it is shown in figure 1, method flow includes:
Step S101, unlatching eye protection pattern；
The unlatching of this concrete eye protection pattern, directly can open when display screen is started working, it is also possible to
Instruction or default trigger event according to user's input are opened.
Step S102, the display parameters of regulation display screen, described display parameters include flicker frequency, brightness
With at least one in colour temperature.
Concrete, flicker frequency and the brightness of display screen are controlled by brightness and the flicker of LED-backlit.
The dimming mode of LED-backlit divides two kinds, and one is PWM light modulation, and one is unidirectional current (Direct
Current, DC) light modulation.It is relatively conventional that the general PWM of employing dims.In view of the refresh rate of liquid crystal,
LED-backlit typically can use the frequency of 100-200Hz, and eyes can be caused fatigue by this frequency.Cause
This, improve the frequency of LED-backlit, it is possible to obtain more preferable anti-tired effect.But, due to LED
The impact of the factors such as backlight self-characteristic, too high frequency will have a strong impact on the life-span of backlight module, actual
In application, the frequency regulation of described LED-backlit can be regulated in the range of 200 to 1500HZ.Preferably
, by the frequency configuration of backlight at about 540Hz, to realize the balance of life of product and eye protection.
The brightness of display screen, can be by adjusting duty for the LED-backlit of PWM dimming mode
Than realizing.Too high brightness and too low brightness all can cause the fatigue of vision, it is preferred that can pass through
Adjust the dutycycle of LED-backlit, it is possible to make television set brightness maintain about the 40% of maximum brightness, real
In the application of border, 100 to 250cd/m can be maintained2In the range of, preferably can be by adjusting LED
The dutycycle of backlight, by brightness regulation to 140 ± 30cd/m2, thus realize the protection for eyes.
This brightness disclosure satisfy that in most cases viewing demand to television set, simultaneously can be to greatest extent
Play the effect of protection eyes.
From the point of view of the colour temperature of corresponding display screen, in the range of 4500 to 8000K, regulate colour temperature, can reduce
The output of high-energy light (i.e. blue light) in screen color, thus play the effect of protection eyes.Preferably
, the display colour temperature of television set is adjusted to about 5000K, can reach to show color fidelity and protect
The balance of eye effect.
The eye care method being applicable to display screen of the present embodiment, after opening eye protection pattern, according to presetting
The display parameters of value regulation display screen, such as at least one parameter in flicker frequency, brightness or colour temperature, reality
The purpose of existing eye protection, it is not necessary to existing television set is carried out the transformation of hardware, without user wearing spectacles
Or television set is carried out pad pasting, reduce cost and improve Consumer's Experience.And, by above-mentioned tune
Joint, can slow down stroboscopic, brightness and the high-energy light three injury for vision simultaneously.
The embodiment of the present invention two further provides a kind of eye care method being applicable to display screen, refers to
Fig. 2, method flow includes:
Step S201, the instruction opening eye protection pattern of reception user's input；
Step S202, unlatching eye protection pattern；
Step S203, the display parameters of regulation display screen, described display parameters include flicker frequency, brightness
With at least one in colour temperature.
Concrete, the implementation method of step S203 is identical with step S102 shown in Fig. 1.
The eye care method being applicable to display screen of the present embodiment, opens eye protection mould according to the instruction of user's input
Formula, improves Consumer's Experience.
The embodiment of the present invention three provides another kind and is applicable to the eye care method of display screen.Below will be with intelligence
Illustrating as a example by the display screen of television set, refer to Fig. 3, method flow includes:
Step S301, pre-set open eye protection pattern trigger event.
Concrete, trigger event can include at least one in following event:
Trigger event 1, the duty persistent period of display screen exceed preset duration.
In actual application, can according to television set operations at work arrange different default time
Long.
Operations in a television set may include that viewing video, object for appreciation are played, browse webpage, seen
Picture etc..When user carries out different operations, the time feeling fatigue of eyes is the most different, therefore
Preset duration can be different.
Trigger event 2, people's eye fatigue exceed predetermined threshold value.
Concrete, people's eye fatigue can be defined as television set and carry out the duration of operations with every
The product of the tired factor of operation.Such as, as a example by predetermined threshold value 60, it is normal to watch video
Degree, the i.e. tired factor is 1, from viewing initial time o'clock after one hour, then people eyestrain
Degree is 60 minutes * 1, exceedes predetermined threshold value 60, then it is assumed that there occurs default trigger event 3.?
When playing game, may need to stare at the game movie in screen owing to playing game always, therefore tired because of
Son is higher, as a example by the tired factor is 1.3, from object for appreciation game initial time o'clock through 46 minutes, then and people
Eye fatigue is 46 minutes * 1.3, exceedes predetermined threshold value 60, then it is assumed that there occurs default triggering thing
Part 3.Or, first viewing video 30 minutes, play game 24 minutes, then add up people's eye fatigue
It is 30 minutes * 1+24 minute * 1.3, has exceeded predetermined threshold value 60, then it is assumed that there occurs default touching
Send out event 3.
Trigger event 3, identify display screen before user include specify user.
Concrete, television set can be used in conjunction with body-sensing photographic head, by body-sensing photographic head to photographing
Face be identified, such as, when having identified child seeing television set when, be switched on eye protection
Pattern；Or can also be set by input photograph and specify user, now, body-sensing photographic head will be clapped
The face taken the photograph is identified and comparison, if similarity reaches default threshold with the face in this photograph
Value, then it is assumed that there occurs default trigger event 3.
Within trigger event 4, current time are included in the default time period.
Concrete, as a example by 19:00 in night later time period, owing to blue light can affect sleeping of people
Dormancy quality, in the time period later for 19:00 before facing sack time, will open eye protection pattern.
In actual application, trigger event can be configured dispatching from the factory when by manufacturer, it is also possible to by
User setup.
Step S302: judge whether to occur described trigger event, if so, perform step S203.
With trigger event 3, as a example by predetermined threshold value 60.After display screen is opened, first determine whether current behaviour
As seeing video, it is determined that the tired factor is 1, and starts timing, people when calculating more new video in real time
Eye fatigue also judges that its value, whether beyond predetermined threshold value, and determines generation when beyond predetermined threshold value
The trigger event preset.If being not above predetermined threshold value 60, it is determined that the triggering thing preset
Part.
Step S303: open eye protection pattern.
Step S304: according to the display parameters of preset value regulation display screen, these display parameters include flicker frequency
At least one in rate, brightness and colour temperature.
Concrete, the implementation method of step S304 is identical with step S102 of flow process shown in Fig. 1.
It should be noted that in actual application, it is also possible to pre-set different according to trigger event difference
Adjustment mode.Such as when trigger event is trigger event 1, adjust simultaneously display screen flicker frequency,
Brightness and colour temperature；When trigger event is trigger event 4, only adjust the colour temperature of display screen.
The eye care method being applicable to display screen of the present embodiment, can pre-set and open touching of eye protection pattern
The event of sending out, improves Consumer's Experience.
On the basis of above-described embodiment, the embodiment of the present invention additionally provides a kind of display screen of being applicable to
Eye protector, refers to Fig. 4, and this device includes:
Opening module 401, is used for opening eye protection pattern；
Adjustment module 402, for regulating the display parameters of display screen, described display parameters include flicker frequency
At least one in rate, brightness and colour temperature.
Adjustment module 402 includes backlighting frequency adjustment module, backlight duty cycle adjustment module or colour temperature regulation
At least one in module.Wherein, backlighting frequency adjustment module, in 200 to 1500HZ scope
The frequency regulation of the described LED-backlit of interior regulation, is preferably used in and the frequency of described LED-backlit is regulated
For 540Hz.
Backlight duty cycle adjustment module, for the dutycycle by adjusting described LED-backlit, adjusts brightness
Save 100 to 250cd/m2In the range of, it is preferably used in and the brightness ratio of described LED-backlit is adjusted to
140±30cd/m2。
Colour temperature adjustment module, for regulating the regulation of described colour temperature, preferably in the range of 4500 to 8000K
For colour temperature is adjusted to 5000K.
In actual application, backlight flicker frequency is controlled by backlight drive circuit with dutycycle, backlight
Drive circuit there is a PWM chip control frequency and dutycycle, and frequency is joined with the concrete of dutycycle
Number is by master chip control, and therefore backlighting frequency adjustment module, backlight duty cycle adjustment module can be integrated in
PWM chip, it is also possible to be integrated on master chip；Colour temperature is then by the image quality (Picture in master chip
Quality, PQ) process part processes, and therefore colour temperature adjustment module can be integrated on master chip.
Certainly, in actual application, above-mentioned several modules can also integrate, and is integrated in master chip the most simultaneously
On upper or other control chip.In a preferred scheme, as it is shown in figure 5, this device also may be used
To include arranging module 403 and judge module 404 on the basis of modular structure shown in Fig. 4.
Module 403 is set, for pre-setting the trigger event opening eye protection pattern, described triggering thing
Part include the most pre-conditioned at least one: concrete, trigger event can include following event
In at least one:
Trigger event 1, the duty persistent period of display screen exceed preset duration.
In actual application, can according to television set operations at work arrange different default time
Long.
Operations in a television set may include that viewing video, object for appreciation are played, browse webpage, seen
Picture etc..When user carries out different operations, the time feeling fatigue of eyes is the most different, therefore
Preset duration can be different.
Trigger event 2, people's eye fatigue exceed predetermined threshold value.
Concrete, people's eye fatigue can be defined as television set and carry out the duration of operations with every
The product of the tired factor of operation.Such as, to watch video as normal degree, the i.e. tired factor is 1,
From viewing initial time o'clock after one hour, then people's eye fatigue is 60 minutes * 1.Playing trip
During play, may need to stare at the game movie in screen owing to playing game, therefore the tired factor is relatively always
Height, as a example by the tired factor is 1.3, from object for appreciation game initial time o'clock through 46 minutes, then human eye is tired
Lao Du is 46 minutes * 1.3.Or, first viewing video 30 minutes, playing game 24 minutes, then tiring out
Meter people's eye fatigue is 30 minutes * 1+24 minute * 1.3.When people's eye fatigue exceedes predetermined threshold value then
Think and there occurs default trigger event 2.
Trigger event 3, identify display screen before user include specify user.
Concrete, television set can be used in conjunction with body-sensing photographic head, by body-sensing photographic head to photographing
Face be identified, such as, when having identified child seeing television set when, be switched on eye protection
Pattern；Or can also be set by input photograph and specify user, now, body-sensing photographic head will be clapped
The face taken the photograph is identified and comparison, if similarity reaches default threshold with the face in this photograph
Value, then it is assumed that there occurs default trigger event 3.
Within trigger event 4, current time are included in the default time period.
Concrete, as a example by 19:00 in night later time period, owing to blue light can affect sleeping of people
Dormancy quality, in the time period later for 19:00 before facing sack time, will open eye protection pattern.
In actual application, trigger event can be configured dispatching from the factory when by manufacturer, it is also possible to by
User setup.
Judge module 404, is used for judging whether described trigger event.
With trigger event 3, as a example by predetermined threshold value 60.After display screen is opened, first determine whether current behaviour
As seeing video, it is determined that the tired factor is 1, and starts timing, people when calculating more new video in real time
Eye fatigue also judges that its value, whether beyond predetermined threshold value, and determines generation when beyond predetermined threshold value
The trigger event preset.If being not above predetermined threshold value 60, it is determined that the triggering thing preset
Part.
Described opening module 401, is additionally operable to judge to there occurs described trigger event at described judge module
Perform the step of described unlatching eye protection pattern afterwards.
In a preferred scheme, this device can also be on the basis of modular structure shown in Fig. 4 or Fig. 5
On include receiver module, for receive user input open eye protection pattern instruction.This instruction can be led to
Crossing user uses the button on remote controller or television set to select to open the input of eye protection pattern in TV menu.
Now, opening module 401, then for receiver module receive open eye protection pattern instruction it
After, open eye protection pattern.
The eye care method being applicable to display screen of the present embodiment, after opening eye protection pattern, according to presetting
The display parameters of value regulation display screen, such as at least one parameter in flicker frequency, brightness or colour temperature, reality
The purpose of existing eye protection, it is not necessary to existing television set is carried out the transformation of hardware, without user wearing spectacles
Or television set is carried out pad pasting, reduce cost.And, by above-mentioned regulation, frequency can be slowed down simultaneously
Sudden strain of a muscle, brightness and high-energy light three are for the injury of vision.Further, user can input out as required
Open the instruction of eye protection pattern or pre-set the trigger event opening eye protection pattern, further increasing use
Family is experienced.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Module can be or may not be physically separate, the parts shown as module can be or
Person may not be physical module, i.e. may be located at a place, or can also be distributed to multiple network
In module.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the eye care method being applicable to display screen, it is characterised in that described method includes:
Open eye protection pattern；
According to the display parameters of preset value regulation display screen, described display parameters include flicker frequency, brightness
With at least one in colour temperature.
Method the most according to claim 1, the described display ginseng according to preset value regulation display screen
Number, described display parameters include at least one in flicker frequency, brightness and colour temperature, including:
Described flicker frequency is regulated by the frequency of the LED-backlit of described display screen being adjusted to predeterminated frequency；
And/or
Described brightness is regulated by the dutycycle of described LED-backlit being adjusted to default ratio.
Method the most according to claim 2, it is characterised in that the display ginseng of described regulation display screen
Number, described display parameters include at least one in flicker frequency, brightness and colour temperature, including:
The frequency regulation of described LED-backlit is regulated in the range of 200 to 1500HZ；And/or
By adjusting the dutycycle of described LED-backlit, by brightness regulation to 100 to 250cd/m2In the range of；
And/or
The regulation of described colour temperature is regulated in the range of 4500 to 8000K.
4. according to the method described in any one of claims 1 to 3, it is characterised in that described unlatching eye protection
Before pattern, described method also includes:
Receive the instruction opening eye protection pattern of user's input.
5. according to the method described in any one of claims 1 to 3, it is characterised in that described unlatching is protected
Before eye pattern, described method also includes:
Pre-setting the trigger event opening eye protection pattern, described trigger event includes in following event
At least one: the duty persistent period of display screen exceedes preset duration, judges that people's eye fatigue surpasses
Cross preset value, identify display screen before user include specifying user, current time to be included in pre-
If time period within；
Judge whether to occur described trigger event, and perform described after there occurs described trigger event
Open the step of eye protection pattern.
6. the eye protector being applicable to display screen, it is characterised in that described device includes:
Opening module, is used for opening eye protection pattern；
Adjustment module, for regulating the display parameters of display screen, described display parameters include flicker frequency,
At least one in brightness and colour temperature.
Device the most according to claim 6, it is characterised in that described adjustment module includes:
Backlighting frequency adjustment module, the frequency for the LED-backlit by adjusting described display screen regulates institute
State flicker frequency；And/or
Backlight duty cycle adjustment module, for bright described in the duty cycle adjustment by the described LED-backlit of adjustment
Degree.
Device the most according to claim 6, it is characterised in that
Described backlighting frequency adjustment module, is additionally operable in the range of 200 to 1500HZ regulate described LED
The frequency regulation of backlight；And/or
Described backlight duty cycle adjustment module, is additionally operable to the dutycycle by adjusting described LED-backlit, will
Brightness regulation is to 100 to 250cd/m2In the range of；And/or
Described adjustment module also includes colour temperature adjustment module, for regulating in the range of 4500 to 8000K
Described colour temperature regulates.
9. according to the device described in any one of claim 5 to 8, it is characterised in that described device
Also include:
Receiver module, for before opening eye protection pattern, receives the eye protection pattern of opening of user's input
Instruction.
10. according to the device described in any one of claim 5 to 8, it is characterised in that described device
Also include:
Module is set, for pre-setting the trigger event opening eye protection pattern, described trigger event bag
Include the most pre-conditioned at least one: the duty persistent period of display screen exceed preset duration,
Judge people's eye fatigue exceed preset value, identify display screen before user include specify user or
Within the current time is included in the default time period；
Judge module, is used for judging whether described trigger event；
Described opening module, is additionally operable to after described judge module judges to there occurs described trigger event
Perform the step of described unlatching eye protection pattern.
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