CN106331346B - Contrast adjustment method, apparatus and display screen and portable equipment with the device - Google Patents
Contrast adjustment method, apparatus and display screen and portable equipment with the device Download PDFInfo
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- CN106331346B CN106331346B CN201610718337.5A CN201610718337A CN106331346B CN 106331346 B CN106331346 B CN 106331346B CN 201610718337 A CN201610718337 A CN 201610718337A CN 106331346 B CN106331346 B CN 106331346B
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- ambient brightness
- change rate
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
Abstract
The present invention provides a kind of contrast adjustment method, apparatus and display screen and portable equipment with the device.Wherein contrast adjustment method includes: ambient brightness obtaining step, obtains ambient brightness information；Ambient brightness change rate determines step, calculates the ambient brightness change rate according to the ambient brightness information；Display screen contrast adjustment step adjusts display screen contrast according to current environment brightness in the case where ambient brightness change rate is greater than predetermined luminance change rate threshold value.The technical solution of offer of the invention, it being capable of quick environment-identification brightness change, according to the contrast of ambient brightness change rate dynamic regulation screen, achieve the effect that mobile phone screen still keeps high resolution, it effectively avoids the case where screen is not seen occur because ambient brightness changes rapidly, brings extraordinary user experience.
Description
Technical field
The present invention relates to control field more particularly to a kind of contrast adjustment method, apparatus and with the display of the device
Screen and portable equipment.
Background technique
With the fast development of mobile electronic device, Portable mobile electronic device such as mobile phone etc. in people's daily life and
Popularity rate in work constantly rises.When using portable equipment outdoors, often cause to show because daylight is excessively strong
Screen can not be seen, especially when portable equipment is from dark environment to high-brightness environment (strong light environment), even if display screen display
Show that brightness reaches highest, screen also will appear the case where not seeing.For avoid working outdoors it is middle using portable equipment when occur
Misread, working efficiency is low, with asthenopia the problems such as, the readability for improving display screen in portable equipment becomes urgently to be resolved at present
The problem of.
A kind of display image contrast is disclosed in the utility model patent that Authorization Notice No. is CN203616973U
Self-checking device.The device can automatically adjust to display contrast, but in intensity of illumination change dramatically, can not be fast
Contrast is automatically adjusted fastly.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of contrast adjustment method, comprising: ambient brightness obtaining step,
Obtain ambient brightness information；Ambient brightness change rate determines step, calculates the ambient brightness according to the ambient brightness information
Change rate；Display screen contrast adjustment step, the case where the ambient brightness change rate is greater than predetermined luminance change rate threshold value
Under, the display screen contrast is adjusted according to current environment brightness.
Optionally, the method also includes presetting the rate of change of brightness threshold value, the rate of change of brightness threshold value packet
Include brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
Optionally, further includes: be less than or equal to the scheduled rate of change of brightness threshold value in the ambient brightness change rate
In the case where, ambient brightness changing value is compared with scheduled luminance delta threshold value；It is big in the ambient brightness changing value
It in the case where the scheduled luminance delta threshold value, calls contrast that function is set, institute is adjusted according to current environment brightness
State display screen contrast.
Optionally, further includes: obtained by after scheduled first time threshold, sequentially carrying out the ambient brightness again
Step, the ambient brightness change rate determine step, the display screen contrast adjustment step.
It optionally, further include setting control button, for starting to execute or stopping executing the contrast adjustment method.
It optionally, further include initialization step, the initialization step, for starting to execute the contrast adjustment side
When method, the display screen contrast to be matched first according to current environment brightness setting with ambient brightness, then to execute the environment bright
Degree obtaining step, the ambient brightness change rate determine step, the display screen contrast adjustment step.
Optionally, further includes: if the ambient brightness change rate is always below predetermined in predetermined second time threshold
Minimum threshold then stops executing the contrast adjustment method.
Optionally, the stopping executes the contrast adjustment method, further includes reverting to the display screen contrast
Default value.
Another aspect of the invention provides a kind of contrast control device, comprising: ambient brightness acquisition module, for obtaining
Ambient brightness information；Computing module, for calculating the ambient brightness change rate according to the ambient brightness information；Control mould
Block is configured that in the case where the ambient brightness change rate is greater than predetermined luminance change rate threshold value, according to current environment brightness
Adjust display screen contrast.
It optionally, further include setup module, for presetting the rate of change of brightness threshold value, the rate of change of brightness threshold
Value includes brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
Optionally, the control module is additionally configured to: being less than or equal in the ambient brightness change rate described scheduled
In the case where rate of change of brightness threshold value, ambient brightness changing value is compared with scheduled luminance delta threshold value；In the ring
In the case that border brightness change value is greater than the scheduled luminance delta threshold value, call contrast that function is set, according to current
Ambient brightness adjusts the display screen contrast.
Optionally, the control module is additionally configured to: by sequentially carrying out institute again after scheduled first time threshold
State ambient brightness obtaining step, the ambient brightness change rate determines step, the display screen contrast adjustment step.
Optionally, further include control button, be connected with the control module, start to execute for controlling or stop executing
The contrast adjustment method.
Optionally, further include initialization module, be configured that when starting to execute the contrast adjustment method, first root
The display screen contrast to match according to current environment brightness setting with ambient brightness.
Optionally, the control module is additionally configured to: if in predetermined second time threshold, the ambient brightness variation
Rate is always below predetermined minimum threshold, then stops executing the contrast adjustment method.
Optionally, the control module is additionally configured to: when stopping executing the contrast adjustment method, by the display
Screen contrast reverts to default value.
Another aspect of the present invention provides a kind of display screen, has contrast control device described in any of the above embodiments.
Further aspect of the present invention provides a kind of portable equipment, has above-described display screen, the portable equipment packet
Include mobile phone, notebook or tablet computer.
The technical solution of offer of the invention, can quick environment-identification brightness change, it is dynamic according to ambient brightness change rate
State adjusts the contrast of screen, achievees the effect that mobile phone screen still keeps high resolution, effectively avoids becoming rapidly because of ambient brightness
Change and the case where screen is not seen occur, brings extraordinary user experience.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the general frame figure of contrast adjustment method provided by the invention；
Fig. 2 is a kind of flow chart of preferred embodiment of contrast adjustment method provided by the invention；
Fig. 3 is the flow chart of the another preferred embodiment of contrast adjustment method provided by the invention；
Fig. 4 is the flow chart of the further embodiment of contrast adjustment method provided by the invention；
Fig. 5 is the overall structure figure of contrast control device provided by the invention；
Fig. 6 is a kind of structural schematic diagram of preferred embodiment of contrast control device provided by the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
One aspect of the present invention provides a kind of contrast adjustment method.Fig. 1 is contrast adjustment method provided by the invention
General frame figure.As shown in Figure 1, contrast adjustment method of the present invention includes: step 101, ambient brightness obtaining step is obtained
Ambient brightness information；Step 102, ambient brightness change rate determines step, calculates the environment according to the ambient brightness information
Rate of change of brightness；Step 103, display screen contrast adjustment step is greater than predetermined luminance change rate threshold in ambient brightness change rate
In the case where value, display screen contrast is adjusted according to current environment brightness.Step 101, step 102, step 103 sequentially execute.
When the display screen of usual portable device is from dark environmental change to high-brightness environment (strong light environment), even if mobile phone display brightness
Reach highest, mobile phone screen, which also will appear, does not see situation.When ambient brightness enhances rapidly or weakens rapidly, pass through ring first
Brightness acquisition module in border obtains ambient brightness information, then calculates the variable quantity of ambient brightness whithin a period of time and time used
Ratio, the as described ambient brightness change rate.According to external environment rate of change of brightness, i.e., according to external environment brightness change
Speed program adjusts Display Contrast, can change to ambient brightness and make rapid reaction, reaches mobile phone screen and keeps high
The effect of resolution.
A kind of embodiment of contrast adjustment method according to the present invention, further include preset by setup module it is described
Rate of change of brightness threshold value, the rate of change of brightness threshold value include brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
The impression for enhancing rapidly due to ambient brightness and weakening both scenes user rapidly is different, can set for two kinds of scenes
Two kinds of threshold values, i.e. brightness enhance change rate threshold value and brightness deterioration change rate threshold value, are arranged not for different application scenarios
Same sensitivity, to obtain good user experience.A kind of embodiment of contrast adjustment method according to the present invention, can be with
The setting page is provided, the two threshold values are set by user oneself, or user is allowed to go to modify the two thresholds according to the hobby of oneself
Value.
Fig. 2 is a kind of flow chart of preferred embodiment of contrast adjustment method provided by the invention.As shown in Fig. 2,
Step 101 obtains ambient brightness information and step 102 and calculates the ambient brightness change rate according to the ambient brightness information,
Step 202 is executed later, and the ambient brightness change rate is compared with scheduled rate of change of brightness threshold value.Become in ambient brightness
In the case that rate is greater than predetermined luminance change rate threshold value, step 203 is executed, calls contrast that function is set, according to working as front ring
Border brightness regulation display screen contrast.
A kind of embodiment of contrast adjustment method according to the present invention, further includes: after step 202, in the ring
In the case that border rate of change of brightness is less than or equal to scheduled rate of change of brightness threshold value, step 204 is executed, ambient brightness is changed
Value is compared with scheduled luminance delta threshold value；It is greater than the scheduled luminance delta threshold in the ambient brightness changing value
In the case where value, step 203 is executed, calls contrast that function is set, display screen contrast is adjusted according to current environment brightness.?
In the case that ambient brightness change rate is smaller, that is, ambient brightness variation is relatively slow, when ambient brightness changing value reaches certain journey
Degree when reaching scheduled luminance delta threshold value, just adjusts display screen contrast.Contrast adjustment method according to the present invention
A kind of embodiment can provide the setting page, set luminance delta threshold value by user oneself, or allow user according to oneself
Hobby go modification luminance delta threshold value.
A kind of embodiment of contrast adjustment method according to the present invention, further includes: after step 203, by predetermined
First time threshold, come back to step 101, obtain ambient brightness information, above-mentioned steps are then repeated, until step
203, display screen contrast is adjusted according to the ambient brightness information.First time threshold can be set according to specific environment situation,
First time threshold is set to smaller, and system is higher to the sensitivity of ambient brightness reacting condition.Contrast according to the present invention
A kind of embodiment of adjusting method, can provide the setting page, set first time threshold by user oneself, or allow user
Modification first time threshold is gone according to the hobby of oneself.
Fig. 3 is the flow chart of the another preferred embodiment of contrast adjustment method provided by the invention.As shown in figure 3, this
The contrast adjustment method of invention further includes setting control button, for starting to execute or stopping executing the contrast adjustment side
Method.A kind of embodiment of contrast adjustment method according to the present invention can add a control button in system setting, to supply
User chooses whether to open the function that enhances automatically of contrast, for example, this function can be placed on setting -> display and brightness ->
Brightness regulation.In Fig. 3, user executes step 301, clicks control button.System responds the operation that user clicks control button,
Step 302 is executed, starts to execute contrast adjustment method；Or step 304 is executed, stop executing contrast adjustment method.
As shown in figure 3, further including that when starting to execute the contrast adjustment method, step is first carried out in step 302
303, the display screen contrast to be matched according to current environment brightness setting with ambient brightness.Then step 101, step are executed again
102 and step 103, display screen contrast is adjusted according to environment high information.In view of what is turned on the switch under strong light as user
When, ambient light shines no significant change, at this moment sets and just goes to be set once according to ambient brightness when user turns on the switch
Contrast, to reach good visual experience.
As shown in figure 3, further include when stopping executing the contrast adjustment method, executing step 305 in step 304, it will
The display screen contrast reverts to default value.
Fig. 4 is the flow chart of the further embodiment of contrast adjustment method provided by the invention.As shown in figure 4,
Step 101, ambient brightness information and step 102 are obtained, the ambient brightness change rate is calculated according to the ambient brightness information
Later, step 401 is executed, ambient brightness change rate is compared with scheduled minimum threshold, if in predetermined second time threshold
In value, the ambient brightness change rate is always below predetermined minimum threshold, thens follow the steps 304 and step 305, stops executing institute
Contrast adjustment method is stated, the display screen contrast is reverted into default value.When the position of display screen is not moved or is grown
Time external environment is unchanged and when ambient brightness being caused to vary less, close contrast adjustment service to reduce system burden.
A kind of embodiment of contrast adjustment method according to the present invention, can provide the setting page, when by user oneself setting second
Between threshold value and minimum threshold, or user is allowed to go modification second time threshold and minimum threshold according to the hobby of oneself.
As a kind of alternative of embodiment illustrated in fig. 4, wherein step 102, calculates according to the ambient brightness information
The ambient brightness change rate, can be replaced: calculate the ambient brightness variable quantity according to the ambient brightness information；Accordingly
Step 401 ambient brightness change rate is compared with scheduled minimum threshold, be can be replaced by ground: by ambient brightness variable quantity with
Scheduled minimum change threshold value compares, if the ambient brightness variable quantity is low always in predetermined second time threshold
In predetermined minimum change threshold value, 304 and step 305 are thened follow the steps, stops executing the contrast adjustment method, it will be described
Display screen contrast reverts to default value.
Further, the ambient brightness variable quantity is calculated according to the ambient brightness information, ambient brightness variable quantity is big
When a certain threshold value, the contrast for calling contrast setting method to remove setting screen is just gone.
Another aspect of the invention provides a kind of contrast control device.Fig. 5 is contrast adjustment dress provided by the invention
The overall structure figure set.As shown in figure 5, contrast control device of the present invention includes: ambient brightness acquisition module 510, for obtaining
Take ambient brightness information；Computing module 520, for calculating the ambient brightness change rate according to the ambient brightness information；Control
Molding block 530 is configured that in the case where ambient brightness change rate is greater than predetermined luminance change rate threshold value, according to current environment
Brightness regulation display screen contrast.
Fig. 6 is a kind of structural schematic diagram of preferred embodiment of contrast control device provided by the invention.Such as Fig. 6 institute
Show, the contrast control device further includes setup module 540, described bright for presetting the rate of change of brightness threshold value
Degree change rate threshold value includes brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
A kind of embodiment of contrast control device according to the present invention, the control module 530 are additionally configured to: described
Ambient brightness change rate be less than or equal to scheduled rate of change of brightness threshold value in the case where, by ambient brightness changing value with it is scheduled
Luminance delta threshold value compares；The case where the ambient brightness changing value is greater than the scheduled luminance delta threshold value
Under, it calls contrast that function is set, display screen contrast is adjusted according to current environment brightness.
A kind of embodiment of contrast control device according to the present invention, the control module 530 are additionally configured to: by pre-
After fixed first time threshold, ambient brightness obtaining step is sequentially carried out again, ambient brightness change rate determines step, display
Shield contrast adjustment step.
A kind of embodiment of contrast control device according to the present invention further includes control button 550, with the control mould
Block phase 530 connects, and starts to execute for controlling or stops executing the contrast adjustment method.
A kind of embodiment of contrast control device according to the present invention, further includes initialization module 560, is configured that
When starting to execute the contrast adjustment method, the display screen to match with ambient brightness is set according to current environment brightness first
Contrast.
A kind of embodiment of contrast control device according to the present invention, the control module 530 are additionally configured to: if
In predetermined second time threshold, the ambient brightness change rate is always below predetermined minimum threshold, then stops executing the comparison
Spend adjusting method.
A kind of embodiment of contrast control device according to the present invention, the control module 530 are additionally configured to: being stopped
When executing the contrast adjustment method, the display screen contrast is reverted into default value.
Another aspect of the present invention provides a kind of display screen, has contrast control device described in any of the above embodiments.
Further aspect of the present invention provides a kind of portable equipment, has above-described display screen, the portable equipment packet
Include mobile phone, notebook or tablet computer.
The technical solution of offer of the invention, can quick environment-identification brightness change, it is dynamic according to ambient brightness change rate
State adjusts the contrast of screen, achievees the effect that mobile phone screen still keeps high resolution, effectively avoids becoming rapidly because of ambient brightness
Change and the case where screen is not seen occur, brings extraordinary user experience.
Function described herein can be implemented in hardware, the software executed by processor, firmware or any combination thereof.
If implemented in the software executed by processor, computer can be stored in using function as one or more instructions or codes
It is transmitted on readable media or via computer-readable media.Other examples and embodiment are wanted in the present invention and appended right
It asks in the scope and spirit of book.For example, due to the property of software, function described above can be used by processor,
Hardware, firmware, hardwired or the software implementation for appointing the combination of whichever to execute in these.In addition, each functional unit can integrate
In one processing unit, it is also possible to each unit to physically exist alone, can also be integrated in two or more units
In one unit.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, and fill as control
The component set may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (16)
1. a kind of contrast adjustment method, comprising:
Ambient brightness obtaining step obtains ambient brightness information；
Ambient brightness change rate determines step, calculates the ambient brightness change rate according to the ambient brightness information；
Display screen contrast adjustment step, in the case where the ambient brightness change rate is greater than predetermined luminance change rate threshold value,
The display screen contrast is adjusted according to current environment brightness；
In the case where the ambient brightness change rate is less than or equal to the scheduled rate of change of brightness threshold value, by ambient brightness
Changing value is compared with scheduled luminance delta threshold value；
In the case where the ambient brightness changing value is greater than the scheduled luminance delta threshold value, call contrast that letter is set
Number adjusts the display screen contrast according to current environment brightness.
2. the method according to claim 1, wherein presetting the rate of change of brightness threshold value, the brightness
Change rate threshold value includes brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
3. the method according to claim 1, wherein further include: pass through after scheduled first time threshold, weight
Newly sequentially carry out the ambient brightness obtaining step, the ambient brightness change rate determines step, the display screen contrast tune
Save step.
4. the method according to claim 1, wherein further including setting control button, for starting to execute or stop
Only execute the contrast adjustment method.
5. according to the method described in claim 4, it is characterized in that, further including initialization step, the initialization step is used for
When starting to execute the contrast adjustment method, the display to match with ambient brightness is set according to current environment brightness first
Shield contrast, then execute the ambient brightness obtaining step, the ambient brightness change rate determines step, the display screen comparison
Spend regulating step.
6. the method according to claim 1, wherein further include: if in predetermined second time threshold, it is described
Ambient brightness change rate is always below predetermined minimum threshold, then stops executing the contrast adjustment method.
7. the method according to any one of claim 4-6, which is characterized in that the stopping executes the contrast adjustment
Method further includes that the display screen contrast is reverted to default value.
8. a kind of contrast control device, comprising:
Ambient brightness acquisition module, for obtaining ambient brightness information；
Computing module, for calculating the ambient brightness change rate according to the ambient brightness information；
Control module is configured that in the case where the ambient brightness change rate is greater than predetermined luminance change rate threshold value, according to working as
Preceding environment brightness regulation display screen contrast；
The control module is additionally configured to:
In the case where the ambient brightness change rate is less than or equal to the scheduled rate of change of brightness threshold value, by ambient brightness
Changing value is compared with scheduled luminance delta threshold value；
In the case where the ambient brightness changing value is greater than the scheduled luminance delta threshold value, call contrast that letter is set
Number adjusts the display screen contrast according to current environment brightness.
9. device according to claim 8, which is characterized in that further include setup module, for presetting the brightness
Change rate threshold value, the rate of change of brightness threshold value include brightness enhancing change rate threshold value and brightness deterioration change rate threshold value.
10. device according to claim 8, which is characterized in that the control module is additionally configured to: passing through scheduled first
After time threshold, the ambient brightness obtaining step is sequentially carried out again, the ambient brightness change rate determines step, described
Display screen contrast adjustment step.
11. device according to claim 8, which is characterized in that further include control button, be connected with the control module
It connects, start to execute for controlling or stops executing the contrast adjustment method.
12. device according to claim 11, which is characterized in that further include initialization module, be configured that and starting to execute
When the contrast adjustment method, the display screen contrast to match with ambient brightness is set according to current environment brightness first.
13. device according to claim 8, which is characterized in that the control module is additionally configured to:
If the ambient brightness change rate is always below predetermined minimum threshold in predetermined second time threshold, then stop holding
The row contrast adjustment method.
14. device according to claim 11, which is characterized in that the control module is additionally configured to: stopping executing institute
When stating contrast adjustment method, the display screen contrast is reverted into default value.
15. a kind of display screen has such as the described in any item contrast control devices of claim 8-14.
16. a kind of portable equipment has display screen as claimed in claim 15, the portable equipment includes mobile phone, notebook
Or tablet computer.
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| CN201610718337.5A CN106331346B (en) | 2016-08-24 | 2016-08-24 | Contrast adjustment method, apparatus and display screen and portable equipment with the device |
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| CN201610718337.5A CN106331346B (en) | 2016-08-24 | 2016-08-24 | Contrast adjustment method, apparatus and display screen and portable equipment with the device |
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| CN106713658B (en) * | 2017-01-20 | 2019-10-11 | 北京小米移动软件有限公司 | Light source adjusting method and device |
| CN112233631B (en) * | 2020-10-28 | 2022-05-31 | 超越科技股份有限公司 | Automatic screen brightness adjusting device and method for all-solid tablet personal computer |
| CN112509508A (en) * | 2020-11-28 | 2021-03-16 | 珠海格力电器股份有限公司 | Washing machine panel display brightness adjusting device and brightness adjusting method |
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