CN105845099B - Screen intensity display methods and device - Google Patents
Screen intensity display methods and device Download PDFInfo
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- CN105845099B CN105845099B CN201510020382.9A CN201510020382A CN105845099B CN 105845099 B CN105845099 B CN 105845099B CN 201510020382 A CN201510020382 A CN 201510020382A CN 105845099 B CN105845099 B CN 105845099B
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Abstract
A kind of screen intensity display methods, which comprises measure the light intensity of environment, and corresponding display pattern is selected according to the light intensity measured；The light intensity changed will be needed to carry out equal part according to light adjustment factor and obtain corresponding step value；The corresponding display time is calculated according to the selected corresponding time adjustment coefficient of display pattern；The light intensity measured is added up according to the step value until making screen intensity reach preset value within the display time.It uses this method that screen can be enabled to be shown in gentle soft mode, effectively reduces visual impact.Further, it would be desirable to provide a kind of screen intensity display devices.
Description
Technical field
The present invention relates to medical instruments fields, more particularly to a kind of screen intensity display methods and device.
Background technique
Although the adjusting of monitor screen brightness at present uses direct key, selection is adjusted or according to ambient light intensity
The modes such as automatic adjustment, but screen intensity is basic or is shown in a manner of a kind of cataclysm, and light intensity changes greatly, right
Operator and patient in the environment at night or dark cause visual impact to stimulate, and people is allowed not feel well.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide and a kind of screen intensity be enabled to show gentler screen
Curtain brightness display methods and device.
A kind of screen intensity display methods, which comprises
The light intensity of environment is measured, and corresponding display pattern is selected according to the light intensity measured；
The light intensity changed will be needed to carry out equal part according to light adjustment factor and obtain corresponding step value；
The corresponding display time is calculated according to the selected corresponding time adjustment coefficient of display pattern；
The light intensity measured is added up according to the step value until making to shield within the display time
Curtain brightness reaches preset value.
It is described in one of the embodiments, that the light intensity that changes will be needed to carry out etc. getting according to light adjustment factor
Before the step of to corresponding step value, further includes:
The light intensity measured is compared with preset light intensity section, the light measured described in determination
Light intensity section locating for intensity, as the light intensity section before change；
The corresponding light adjustment factor in light intensity section before obtaining the change.
It is described in one of the embodiments, that the light intensity that changes will be needed to carry out etc. getting according to light adjustment factor
Include: to the step of corresponding step value
Calculate the light intensity for needing to change；
The equal part number of the light intensity for needing to change is calculated according to the light adjustment factor；
According to the light intensity and the equal part number for needing to change, corresponding step value is calculated.
Described the step of obtaining the light intensity that the needs change, includes: in one of the embodiments,
The corresponding light intensity section of the preset value of screen intensity is determined, as the light intensity after change；
The light after corresponding first control parameter in light intensity section and the change before obtaining the change respectively
Corresponding second control parameter of intensity；
It is poor that second control parameter and first control parameter are made, and obtains the light intensity for needing to change.
The corresponding time adjustment coefficient of the selected display pattern of the basis, which calculates, in one of the embodiments, corresponds to
The display time the step of include:
Obtain time adjustment coefficient corresponding with the selected display pattern；
According to the time adjustment coefficient display time corresponding with the calculating of preset time radix.
A kind of screen intensity display device, described device include:
Mode selection module, for measuring the light intensity of environment, and it is corresponding according to the light intensity selection measured
Display pattern；
Equal sub-modules obtain corresponding step for the light intensity for needing to change to be carried out equal part according to light adjustment factor
Into value；
Time computing module, for calculating corresponding display according to the selected corresponding time adjustment coefficient of display pattern
Time；
Accumulator module, for carrying out the light intensity measured according to the step value within the display time
It adds up until making screen intensity reach preset value.
Described device in one of the embodiments, further include:
Determining module determines institute for the light intensity measured to compare with preset light intensity section
Light intensity section locating for the light intensity measured is stated, as the light intensity section before change；
Module is obtained, for obtaining the corresponding light adjustment factor in light intensity section before the change.
The equal sub-modules include: in one of the embodiments,
Light intensity computing module, for calculating the light intensity for needing to change；
Number computing module, for calculating the equal part of the light intensity for needing to change according to the light adjustment factor
Number；
Step value computing module, for calculating and corresponding to according to the light intensity and the equal part number for needing to change
Step value.
The light intensity computing module includes: in one of the embodiments,
Determination unit, the preset value corresponding light intensity section for determining screen intensity, as the light after change
Intensity；
First acquisition unit, for obtain respectively corresponding first control parameter in light intensity section before the change with
Corresponding second control parameter of light intensity after the change；
Make poor unit, it is poor for making second control parameter and first control parameter, it obtains the needs and changes
The light intensity of change.
The time computing module includes: in one of the embodiments,
Second acquisition unit, for obtaining time adjustment coefficient corresponding with the selected display pattern；
Time calculating unit, when for calculating corresponding display with preset time radix according to the time adjustment coefficient
Between.
Above-mentioned screen intensity display methods and device, by measuring the light intensity of environment, and according to the light measured
Intensity selects corresponding display pattern；The light intensity changed will be needed to carry out equal part according to light adjustment factor and obtain stepping
Value；The corresponding display time is calculated according to the selected corresponding time adjustment coefficient of display pattern；By light within the display time
Line intensity is added up according to step value until making screen intensity reach preset value.Since step value is the light changed as needed
For line intensity according to what is obtained after light adjustment factor equal part, the display time is according to the selected corresponding time tune of display pattern
Section coefficient obtains, therefore light intensity is added to preset value according to step value within the display time, to enable screen with flat
Delay soft mode to be shown, effectively reduces visual impact.
Detailed description of the invention
Fig. 1 is the flow chart of screen intensity display methods in one embodiment；
Fig. 2 is the structural schematic diagram of screen intensity display device in one embodiment；
Fig. 3 is the structural schematic diagram of screen intensity display device in another embodiment；
Fig. 4 is the structural schematic diagram of the medium sub-module of one embodiment；
Fig. 5 is the structural schematic diagram of light intensity computing module in one embodiment；
Fig. 6 is the structural schematic diagram of time computing module in one embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
In one embodiment, as shown in Figure 1, providing a kind of screen intensity display methods, this method is specifically included:
Step 102, the light intensity of environment is measured, and corresponding display pattern is selected according to the light intensity measured.
Using optical sensor detection circuit come the light intensity of measuring instrument local environment, light intensity is with brightness value Lux
To indicate.The light intensity measured is that the brightness that instrument screen is currently shown is superimposed with the light intensity for the environment being presently in
Sum afterwards.It is appreciated that since the position that apparatus structure is different and optical sensor detection circuit is on different instruments may not
The light intensity of same factor, light intensity and actual environment that instrument detects slightly has differences.Preferably, instrument is prison
Protect instrument.Different screen intensity display pattern there are many being stored in advance in instrument.According to the light intensity of the environment measured, instrument
Corresponding display pattern can be adaptive selected in device.Every kind of display pattern is both provided with the range of corresponding light intensity, tool
Body, corresponding display pattern can be determined according to the range that the brightness value measured is fallen into.For example, monitor screen brightness is aobvious
Show that mode includes: the soft display of depth, soft display and normal three kinds of display, wherein depth is soft shows corresponding light intensity
Range are as follows: brightness value≤10；The soft range for showing corresponding light intensity are as follows: 10 < brightness value < 50；Normal display pair
The range for the light intensity answered are as follows: brightness value >=50.The preset value of different display patterns, screen intensity can be different, can also
With identical.
Step 104, the light intensity changed will be needed to carry out equal part according to light adjustment factor and obtains corresponding step value.
The light intensity that difference between the preset value of screen intensity and the light intensity measured as needs to change.Light
Line adjustment factor refers to light from secretly to bright or from bright to the coefficient being secretly adjusted, can be according to the light intensity divided in advance
Corresponding section is preset.The corresponding section of different light intensities corresponds to different light adjustment factors.It can basis
Light adjustment factor determines the equal part number of light intensity that needs change.Step value refers to the light intensity for changing needs
Cumulative light intensity is gradually carried out after equal part.The quotient of light intensity and equal part number that step value can according to need change comes
It determines.
Step 106, the corresponding display time is calculated according to the selected corresponding time adjustment coefficient of display pattern.
Every kind of display pattern is both provided with the corresponding display time.The different display modes corresponding display time is different.It is aobvious
Show that the time can calculate according to time adjustment coefficient and time radix.
Step 108, the light intensity measured is added up according to step value until keeping screen bright within the display time
Degree reaches preset value.
Within the calculated display time, the light intensity of the environment locating for the instrument, the light that will need to change
Intensity adds up according to step value, and screen intensity is made to progressively reach preset value, and the preset value is kept to be shown.
In the present embodiment, the light intensity of environment is measured, and corresponding display mould is selected according to the light intensity measured
Formula；The light intensity changed will be needed to carry out equal part according to light adjustment factor and obtain step value；According to selected display mould
The corresponding time adjustment coefficient of formula calculates the corresponding display time；Light intensity carried out according to step value within the display time tired
Add until making screen intensity reach preset value.Since step value is the light intensity that changes as needed according to light adjustment factor
It is obtained after equal part, the display time is to be obtained according to the selected corresponding time adjustment coefficient of display pattern, therefore showing
Show in the time and light intensity is added to preset value according to step value, so that screen is enabled to be shown in gentle soft mode,
Effectively reduce visual impact.
In one embodiment, the light intensity changed will be needed to be obtained according to light adjustment factor progress equal part corresponding
Before the step of step value, further includes: the light intensity measured compares with preset light intensity section, determines measurement
Light intensity section locating for the light intensity arrived, as the light intensity section before change；Obtain the light intensity before changing
The corresponding light adjustment factor in section.
In the present embodiment, the light intensity under a variety of environment is divided into multiple and different sections in advance, and is in advance each
Corresponding light adjustment factor is arranged in section.Specifically, can be divided according to angle value.For example, according to by secretly to bright, according to
Angle value is corresponding to be divided into 5 sections, and the corresponding brightness value in each section and light adjustment factor are as shown in following table one:
Table one:
| Section | First interval | Second interval | 3rd interval | 4th section | 5th section |
| Brightness value | Lux≤4 | 4 Lux≤10 < | 10 Lux≤25 < | 25 Lux≤50 < | Lux > 50 |
| Light adjustment factor | N5 | N4 | N3 | N2 | N1 |
Wherein: N1, N2, N3, N4, N5 are natural number.
In one embodiment, the light intensity changed will be needed to be obtained according to light adjustment factor progress equal part corresponding
The step of step value includes: the light intensity for obtaining and needing to change；It is strong that the light for needing to change is calculated according to light adjustment factor
The equal part number of degree；The light intensity and equal part number changed as needed, calculates corresponding step value.
In the present embodiment, brightness value is divided into multiple sections in advance, to indicate different light intensities.Each section
With corresponding pulse width duty ratio, each pulse width duty ratio has corresponding control parameter.Pulse is by micro process
Device generates, and passes through PWM (Pulse Width Modulation, pulse width modulation) output fixed frequency of microprocessor internal
Waveform.Specifically, can by the timer of default setting microprocessor internal from 0 increase to 1000 when to generate frequency be 1KHz
PWM waveform, by control microprocessor internal register, to adjust the control parameter of pulse width duty ratio.Wherein
In one embodiment, light intensity is divided by 5 sections according to the critical value of brightness value, light intensity section (abbreviation section),
The relationship for controlling pulse width duty ratio (abbreviation duty ratio) and control parameter, as shown in following table two:
Table two:
| Section | First interval | Second interval | 3rd interval | 4th section | 5th section |
| Brightness value | Lux≤4 | 4 Lux≤10 < | 10 Lux≤25 < | 25 Lux≤50 < | Lux > 50 |
| Duty ratio | 20% | 40% | 60% | 80% | 100% |
| Control parameter | 200 | 400 | 600 | 800 | 1000 |
In the environment of different light intensities, the preset value of instrument screen brightness can be the same or different.Wherein
In one embodiment, obtains the step of needing the light intensity changed and comprise determining that the corresponding light of the preset value of screen intensity
Intensity interval, as the light intensity after change；Corresponding first control parameter in light intensity section before changing is obtained respectively
The second control parameter corresponding with the light intensity after change；It is poor that second control parameter and the first control parameter are made, and is needed
The light intensity to be changed.For example, change before light intensity section be first interval, duty ratio 20%, corresponding first
Control parameter P1 is 200；Light intensity section after change is 3rd interval, duty ratio 60%, corresponding second control ginseng
Number P2 is 600.Due to by adjusting control parameter, i.e., adjustable duty ratio, and then can change light intensity, therefore by second
The difference △ P of control parameter and the first control parameter is used to indicate the light intensity for needing to change indirectly.Thus it obtains: △ P
=P2-P1=600-200=400.The equal part number for needing the light intensity changed, equal part are calculated according to light adjustment factor
Number is the product of light adjustment factor and equal portions radix.Wherein equal part number is indicated with n, and light adjustment factor is with N come table
Show, equal part radix is shown with k1 game clock, n=N × k1.N, N and k1 is natural number.Step value be need the light intensity that changes with
The quotient of equal part number, specific step value indicate with w, i.e. w=(P2-P1) ÷ n.Light intensity is controlled from corresponding first
Parameter processed starts, and gradually adds up within the display time according to the step value, until being added to the second control parameter, thus makes
It obtains light intensity and reaches preset value, so that screen be enabled to be shown in soft mode, effectively reduce visual impact.
In one embodiment, when calculating corresponding display according to the selected corresponding time adjustment coefficient of display pattern
Between the step of include: the corresponding time adjustment coefficient of display pattern that obtains with selected；According to time adjustment coefficient and preset
Time radix calculates the corresponding display time.
In the present embodiment, every kind of display pattern all has corresponding time adjustment coefficient.The light intensity measured is lower,
The time adjustment coefficient of corresponding display pattern is bigger.As referred in above-described embodiment, the display mould of monitor screen brightness
Formula has the soft display of depth, soft display and normal three kinds of display, and corresponding adjustment factor is respectively M3, M2 and M1.These three
The brightness value of display pattern is sequentially increased, and thus obtains M3 > M2 > M1.Show that the time is time adjustment coefficient and preset time
The product of radix.Specifically, the display time indicates that time adjustment coefficient is indicated with M with t, preset time radix is with k2 come table
Show to get t=M × k2 is arrived.Since preset time radix is chosen according to 24 traditional frames of instrument screen/second display mode
, therefore according to preset time radix and time adjustment coefficient calculated display time, human eye can be made not feel
Feel the interruption jump of light intensity.
It is appreciated that if no longer needing to count when section locating for the brightness value of the light intensity measured does not change
Step value and display time are calculated, can directly be shown according to the brightness value measured.
In one embodiment, as shown in Fig. 2, providing a kind of screen intensity display device, which includes: mode choosing
Select module 202, etc. sub-modules 204, time computing module 206 and accumulator module 208, in which:
Mode selection module 202 is corresponded to for measuring the light intensity of environment, and according to the light intensity selection measured
Display pattern.
Equal sub-modules 204 are corresponded to for the light intensity for needing to change to be carried out equal part according to light adjustment factor
Step value.
Time computing module 206, it is corresponding for being calculated according to the selected corresponding time adjustment coefficient of display pattern
Show the time.
Accumulator module 208, for display the time in by the light intensity measured according to step value added up until
Screen intensity is set to reach preset value.
In one embodiment, as shown in figure 3, the device further include: determining module 210 and acquisition module 212, in which:
Determining module 210 determines measurement for the light intensity measured to compare with preset light intensity section
Light intensity section locating for the light intensity arrived, as the light intensity section before change.
Module 212 is obtained, for obtaining the corresponding light adjustment factor in light intensity section before changing.
In one embodiment, as shown in figure 4, waiting sub-modules 204 includes: light intensity computing module 214, number computing module
224 and step value computing module 234, in which:
Light intensity computing module 214, for calculating the light intensity for needing to change.In one of the embodiments, such as Fig. 5 institute
Show, light intensity computing module 214 comprises determining that unit 214a, first acquisition unit 214b and makees poor unit 214c, in which: determines
Unit 214a, the preset value corresponding light intensity section for determining screen intensity, as the light intensity after change；First
Acquiring unit 214b, for the light after obtaining corresponding first control parameter in light intensity section before changing respectively and changing
Corresponding second control parameter of intensity；Make poor unit 214c, it is poor for making the second control parameter and the first control parameter, it obtains
The light intensity for needing to change.
Number computing module 224, for calculating the equal part number for needing the light intensity changed according to light adjustment factor.
Step value computing module 234, light intensity and equal part number for changing as needed, calculates corresponding stepping
Value.
In one embodiment, as shown in fig. 6, time computing module 206 includes: second acquisition unit 206a and time meter
Calculate unit 206b, in which:
Second acquisition unit 206a, the corresponding time adjustment coefficient of display pattern for obtaining with selected.
Time calculating unit 206b, when for calculating corresponding display with preset time radix according to time adjustment coefficient
Between.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of screen intensity display methods, which comprises
The light intensity of environment is measured, and corresponding display pattern is selected according to the light intensity measured；
The light intensity measured is compared with preset light intensity section, the light intensity measured described in determination
Locating light intensity section, as the light intensity section before change；
The corresponding light adjustment factor in light intensity section before obtaining the change；
The light intensity changed will be needed to carry out equal part according to light adjustment factor and obtain corresponding step value；
The corresponding display time is calculated according to the selected corresponding time adjustment coefficient of display pattern；
The light intensity measured is added up according to the step value until keeping screen bright within the display time
Degree reaches preset value.
2. the method according to claim 1, wherein described will need the light intensity changed to be adjusted according to light
Coefficient carries out equal part the step of obtaining corresponding step value and includes:
Calculate the light intensity for needing to change；
The equal part number of the light intensity for needing to change is calculated according to the light adjustment factor；
According to the light intensity and the equal part number for needing to change, corresponding step value is calculated.
3. according to the method described in claim 2, it is characterized in that, the step of obtaining the light intensity for needing to change packet
It includes:
The corresponding light intensity section of the preset value of screen intensity is determined, as the light intensity after change；
The light intensity after corresponding first control parameter in light intensity section and the change before obtaining the change respectively
Corresponding second control parameter；
It is poor that second control parameter and first control parameter are made, and obtains the light intensity for needing to change.
4. according to the method described in claim 2, it is characterized in that, the corresponding time tune of display pattern that the basis selected
Saving the step of coefficient calculates the corresponding display time includes:
Obtain time adjustment coefficient corresponding with the selected display pattern；
According to the time adjustment coefficient display time corresponding with the calculating of preset time radix.
5. a kind of screen intensity display device, which is characterized in that described device includes:
Mode selection module selects corresponding display for measuring the light intensity of environment, and according to the light intensity measured
Mode；
Determining module determines the survey for the light intensity measured to compare with preset light intensity section
Light intensity section locating for the light intensity measured, as the light intensity section before change；
Module is obtained, for obtaining the corresponding light adjustment factor in light intensity section before the change；
Equal sub-modules obtain corresponding stepping for the light intensity for needing to change to be carried out equal part according to light adjustment factor
Value；
Time computing module, when for calculating corresponding display according to the selected corresponding time adjustment coefficient of display pattern
Between；
Accumulator module, for the light intensity measured to add up according to the step value within the display time
Until making screen intensity reach preset value.
6. device according to claim 5, which is characterized in that the equal sub-modules include:
Light intensity computing module, for calculating the light intensity for needing to change；
Number computing module, for calculating the equal portionings of the light intensity for needing to change according to the light adjustment factor
Number；
Step value computing module, for calculating corresponding step according to the light intensity and the equal part number for needing to change
Into value.
7. device according to claim 6, which is characterized in that the light intensity computing module includes:
Determination unit, the preset value corresponding light intensity section for determining screen intensity, as the light intensity after change；
First acquisition unit, for obtain respectively corresponding first control parameter in light intensity section before the change with it is described
Corresponding second control parameter of light intensity after change；
Make poor unit, it is poor for making second control parameter and first control parameter, obtain what the needs changed
Light intensity.
8. device according to claim 6, which is characterized in that the time computing module includes:
Second acquisition unit, for obtaining time adjustment coefficient corresponding with the selected display pattern；
Time calculating unit, for according to the time adjustment coefficient display time corresponding with the calculating of preset time radix.
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| CN106782135A (en) * | 2017-03-17 | 2017-05-31 | 杭州快步展示科技有限公司 | A kind of intelligent LED display |
| CN107592559A (en) * | 2017-08-10 | 2018-01-16 | 深圳益创信息科技有限公司 | Intelligent playing method and intelligent TV set |
| CN111315094B (en) * | 2020-03-09 | 2022-11-18 | 美智光电科技股份有限公司 | Light-operated lamp and control method thereof |
| CN112562609B (en) * | 2020-12-10 | 2022-03-15 | 北京集创北方科技股份有限公司 | Brightness adjusting method, electronic device, display panel and electronic equipment |
| CN113851088A (en) * | 2021-08-18 | 2021-12-28 | 惠州市德赛西威汽车电子股份有限公司 | Automobile instrument self-adaptive backlight control system and method |
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