CN105427815A - Method and apparatus for adjusting backlight brightness - Google Patents
Method and apparatus for adjusting backlight brightness Download PDFInfo
- Publication number
- CN105427815A CN105427815A CN201610017041.0A CN201610017041A CN105427815A CN 105427815 A CN105427815 A CN 105427815A CN 201610017041 A CN201610017041 A CN 201610017041A CN 105427815 A CN105427815 A CN 105427815A
- Authority
- CN
- China
- Prior art keywords
- backlight
- current value
- backlight illumination
- brightness values
- brightness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Telephone Function (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a method for adjusting backlight brightness. The method comprises the following steps: obtaining current values corresponding to a display device under different backlight brightness; and according to selected backlight brightness, adjusting to a corresponding current value. According to the invention, firstly, the current values of the display device under the different backlight brightness are obtained through a test, the backlight brightness is in one-to-one correspondence with the current values, afterwards, when a user applies brightness adjustment, when certain brightness is adjusted, the current value corresponding to the brightness can be found, then, the current value of the display device can be adjusted to the corresponding current value, and thus the user can obtain desired brightness. In such a way, the backlight brightness adjusted by the user can be more accurate and better accords with psychological expectation of the user, and a proper backlight brightness value is obtained.
Description
Technical field
The present invention relates to field of mobile terminals, particularly relate to a kind of method and apparatus adjusting backlight illumination.
Background technology
Along with the development of science and technology, the application of liquid crystal display is more and more extensive, no matter be family expenses or commercialization, liquid crystal display almost occupies the display market of the overwhelming majority, all the more so in mobile terminal market, the display of mobile terminal such as mobile phone, flat board etc. is all generally to adjust brightness, and the adjustment of brightness can manually control, and also can environmentally automatically adjust.
At present, the backlight adjustment of liquid crystal display is all adjust backlight illumination according to the number percent of adjustment electric current, and because backlight electric current and backlight illumination are not linear corresponding relation, so electric current and brightness are not corresponding, concrete brightness position just cannot be adjusted to when such user adjusts, therefore, the backlight illumination that how can adjust display device more accurately becomes the problem needing solution badly.
Summary of the invention
The object of this invention is to provide a kind of method and apparatus that can adjust the backlight illumination of display device more accurately.
The object of the invention is to be achieved through the following technical solutions:
Adjust a method for backlight illumination, described method comprises:
Current value corresponding under obtaining the different backlight illumination of display device;
Backlight illumination according to selecting adjusts to corresponding current value.
Preferably, the step of current value corresponding under the different backlight illumination of described acquisition display device comprises: the maximum backlight brightness values obtaining display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
Preferably, the step that the described backlight illumination according to selecting adjusts corresponding current value comprises: according to the backlight brightness values selected, be adjusted to the current value corresponding with described backlight brightness values.
Preferably, the step of current value corresponding under the different backlight illumination of described acquisition display device comprises: the maximum backlight brightness values obtaining display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, the backlight brightness values of arithmetic progression distribution is gone out according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
Preferably, the step that the described backlight illumination according to selecting adjusts corresponding current value comprises: according to the backlight illumination number percent selected, be adjusted to the current value corresponding with described backlight illumination number percent.
The present invention also discloses a kind of device adjusting backlight illumination, and described device comprises:
Acquisition device, for current value corresponding under obtaining the different backlight illumination of display device;
Regulating device, for adjusting to corresponding current value according to the backlight illumination selected.
Preferably, described acquisition device also for: obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
Preferably, described regulating device also for: according to select backlight brightness values, be adjusted to the current value corresponding with described backlight brightness values.
Preferably, described acquisition device also for: obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, the backlight brightness values of arithmetic progression distribution is gone out according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
Preferably, described regulating device also for: according to select backlight illumination number percent, be adjusted to the current value corresponding with described backlight illumination number percent.
Compared to existing technology, the present invention has the following advantages: in prior art, electric current realizes by controlling for the adjustment of the backlight illumination of display device, but the relation of electric current and backlight illumination is not existing, as shown in Figure 1, so the mode only by control electric current adjustment backlight illumination is not very accurate.Disclose a kind of method adjusting backlight illumination in the present invention, described method comprises: current value corresponding under obtaining the different backlight illumination of display device; Backlight illumination according to selecting adjusts to corresponding current value.Adopt in this way, current value corresponding under first obtaining the different backlight illumination of display device by test, backlight illumination and current value are carried out one_to_one corresponding, afterwards when the brightness of user's adjustment in use, be adjusted to a certain brightness, just can find out the current value corresponding to this brightness, then just the current value of display device is adjusted to the current value of this correspondence, thus the brightness allowing user obtain user to want, adopt the backlight illumination that user can be allowed to regulate in this way more accurate, more meet the in-mind anticipation of user, obtain suitable backlight brightness values.
Accompanying drawing explanation
Fig. 1 is electric current and brightness homologous thread figure;
Fig. 2 is the process flow diagram of the method for the adjustment backlight illumination of the embodiment of the present invention one;
Fig. 3 is the schematic diagram of the device of the adjustment backlight illumination of the embodiment of the present invention three.
Wherein: 201, acquisition device, 202, regulating device.
Embodiment
Before in further detail exemplary embodiment being discussed, it should be mentioned that some exemplary embodiments are described as the process or method described as process flow diagram.Although operations is described as the process of order by process flow diagram, many operations wherein can be implemented concurrently, concomitantly or simultaneously.In addition, the order of operations can be rearranged.Described process can be terminated when its operations are completed, but can also have the additional step do not comprised in the accompanying drawings.Described process can correspond to method, function, code, subroutine, subroutine etc.
Within a context alleged " computer equipment ", also referred to as " computer ", refer to the intelligent electronic device that can be performed the predetermined process such as numerical evaluation and/or logical calculated process by operation preset program or instruction, it can comprise processor and storer, the survival instruction that prestores in memory is performed to perform predetermined process process by processor, or perform predetermined process process by the hardware such as ASIC, FPGA, DSP, or combined by said two devices and realize.Computer equipment includes but not limited to server, PC, notebook computer, panel computer, smart mobile phone etc.
Described computer equipment comprises subscriber equipment and the network equipment.Wherein, described subscriber equipment or client include but not limited to computer, smart mobile phone, PDA etc.; The described network equipment includes but not limited to the server group that single network server, multiple webserver form or the cloud be made up of a large amount of computing machine or the webserver based on cloud computing (CloudComputing), wherein, cloud computing is the one of Distributed Calculation, the super virtual machine be made up of a group loosely-coupled computing machine collection.Wherein, described computer equipment isolated operation can realize the present invention, also accessible network by realizing the present invention with the interactive operation of other computer equipments in network.Wherein, the network residing for described computer equipment includes but not limited to internet, wide area network, Metropolitan Area Network (MAN), LAN (Local Area Network), VPN etc.
It should be noted that; described subscriber equipment, client, the network equipment and network etc. are only citing; other computer equipments that are existing or that may occur from now on or network, as being applicable to the present invention, within also should being included in scope, and are contained in this with way of reference.
Method (some of them are illustrated by process flow diagram) discussed below can be implemented by hardware, software, firmware, middleware, microcode, hardware description language or its combination in any.When implementing by software, firmware, middleware or microcode, program code or code segment in order to implement necessary task can be stored in machine or computer-readable medium (such as storage medium).(one or more) processor can implement necessary task.
Concrete structure disclosed herein and function detail are only representational, and are the objects for describing exemplary embodiment of the present invention.But the present invention can carry out specific implementation by many replacement forms, and should not be construed as only being limited to the embodiments set forth herein.
Should be understood that, although may have been used term " first ", " second " etc. here to describe unit, these unit should not limit by these terms.These terms are used to be only used to a unit and another unit to distinguish.For example, when not deviating from the scope of exemplary embodiment, first module can be called as second unit, and second unit can be called as first module similarly.Here used term "and/or" comprise one of them or more any and all combinations of listed associated item.
Should be understood that, when a unit is called as " connection " or " coupling " to another unit, it can directly connect or be coupled to another unit described, or can there is temporary location.On the other hand, " when being directly connected " or " directly coupled " to another unit, then there is not temporary location when a unit is called as.Should explain in a comparable manner the relation be used between description unit other words (such as " and be in ... between " compared to " and be directly in ... between ", " with ... contiguous " compared to " and with ... be directly close to " etc.).
Here used term is only used to describe specific embodiment and be not intended to limit exemplary embodiment.Unless context refers else clearly, otherwise singulative used here " ", " one " are also intended to comprise plural number.It is to be further understood that, the existence of the feature that term used here " comprises " and/or " comprising " specifies to state, integer, step, operation, unit and/or assembly, and do not get rid of and there is or add other features one or more, integer, step, operation, unit, assembly and/or its combination.
Also it should be mentioned that and to replace in implementation at some, the function/action mentioned can according to being different from occurring in sequence of indicating in accompanying drawing.For example, depend on involved function/action, in fact the two width figure in succession illustrated can perform simultaneously or sometimes can perform according to contrary order substantially.
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
Wherein, the method for the present embodiment has display device such as flat panel TV etc. mainly through mobile terminal or other and realizes; Mobile terminal, as mobile phone, flat board etc., also can have network function, can carry out communication and be connected, but be not limited to above-mentioned several with other-end.
It should be noted that, mobile terminal is only citing, and other network equipments that are existing or that may occur from now on and client, as being applicable to the present invention, within also should being included in scope, and are contained in this with way of reference.In addition, the embodiment in the present invention is only and illustrates, can independent assortment between embodiment and embodiment, also can combine, as long as can realize the effect in the present invention between multiple embodiment.
Embodiment one
As shown in Figure 2, disclose a kind of method adjusting backlight illumination in the present embodiment, described method comprises:
S101, current value corresponding under obtaining the different backlight illumination of display device;
S102, the backlight illumination according to selecting adjusts to corresponding current value.
Adopt in this way, current value corresponding under first obtaining the different backlight illumination of display device by test, backlight illumination and current value are carried out one_to_one corresponding, afterwards when the brightness of user's adjustment in use, be adjusted to a certain brightness, just can find out the current value corresponding to this brightness, then just the current value of display device is adjusted to the current value of this correspondence, thus the brightness allowing user obtain user to want, adopt the backlight illumination that user can be allowed to regulate in this way more accurate, more meet the in-mind anticipation of user, obtain suitable backlight brightness values.
Such as, for mobile phone, first test screen luminance of mobile phone and corresponding current value, testing out screen luminance of mobile phone is 20cd/m
2time, current value is 0.78 milliampere; Brightness is 40cd/m
2time, current value is 1.47 milliamperes; Brightness is 372cd/m
2time, current value is 17.26 milliamperes; So when user is when regulating brightness, need the brightness regulation of mobile phone screen to 20cd/m
2time, current value will be adjusted to 0.78 milliampere by mobile phone; Need the brightness regulation of mobile phone screen to 40cd/m
2time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need the brightness regulation of mobile phone screen to 372cd/m
2time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.And if user to want to be adjusted to brightness be 21cd/m
2time, because 21cd/m
2corresponding current value did not have test, compares, such as, choose 20cd/m so be merely able to find out immediate brightness value
2time corresponding current value 0.78 milliampere.And the screen luminance of mobile phone such as tested out is 24cd/m
2time, current value is 0.94 milliampere, then wanting to be adjusted to brightness user is 22cd/m
2time, still can select 20cd/m
2time corresponding current value 0.78 milliampere; If it is 23cd/m that user wants to be adjusted to brightness
2time, brightness just can be selected to be 24cd/m
2time corresponding current value 0.94 milliampere.
According to another example, the step of current value S101 corresponding under the different backlight illumination of described acquisition display device comprises: the maximum backlight brightness values obtaining display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
The step that the described backlight illumination according to selecting adjusts corresponding current value S102 comprises: according to the backlight brightness values selected, be adjusted to the current value corresponding with described backlight brightness values.
Such as, for mobile phone, the maximum backlight brightness values of mobile phone screen is 400cd/m
2, preset and regulate exponent number value to be 100, therefore backlight illumination tolerance value is 400/100=4, therefore obtains the backlight brightness values of arithmetic progression distribution, and obtains corresponding current value through test, as shown in the table:
Table 1
Thus, obtain the current value corresponding to different screen brightness value, therefore when user selects concrete brightness value, just can be adjusted to current value corresponding in table 1.Such as, testing out screen luminance of mobile phone is 20cd/m
2time, current value is 0.78 milliampere; Brightness is 40cd/m
2time, current value is 1.47 milliamperes; Brightness is 372cd/m
2time, current value is 17.26 milliamperes; So when user is when regulating brightness, need the brightness regulation of mobile phone screen to 20cd/m
2time, current value will be adjusted to 0.78 milliampere by mobile phone; Need the brightness regulation of mobile phone screen to 40cd/m
2time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need the brightness regulation of mobile phone screen to 372cd/m
2time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.And if user to want to be adjusted to brightness be 21cd/m
2time, because 21cd/m
2corresponding current value did not have test, compares, such as, choose 20cd/m so be merely able to find out immediate brightness value
2time corresponding current value 0.78 milliampere.And the screen luminance of mobile phone such as tested out is 24cd/m
2time, current value is 0.94 milliampere, then wanting to be adjusted to brightness user is 22cd/m
2time, still can select 20cd/m
2time corresponding current value 0.78 milliampere; If it is 23cd/m that user wants to be adjusted to brightness
2time, brightness just can be selected to be 24cd/m
2time corresponding current value 0.94 milliampere.
Embodiment two
The present embodiment can be thought, to the more detailed description of embodiment one, can use with embodiment one simultaneously.
Concrete, in the present embodiment, the step of current value S101 corresponding under the different backlight illumination of described acquisition display device comprises: the maximum backlight brightness values obtaining display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, the backlight brightness values of arithmetic progression distribution is gone out according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
The step that the described backlight illumination according to selecting adjusts corresponding current value S102 comprises: according to the backlight illumination number percent selected, be adjusted to the current value corresponding with described backlight illumination number percent.
The present embodiment is exactly first by measuring equipment, the electric current brightness corresponding relation of backlight is measured, and then directly goes to adjust backlight according to the electric current that brightness number percent is corresponding when user adjusts backlight; Backlight display brightness is allowed to go adjustment according to brightness number percent completely.
Such as, for mobile phone, the maximum backlight brightness values of mobile phone screen is 400cd/m
2, preset and regulate exponent number value to be 100, therefore backlight illumination tolerance value is 400/100=4, therefore the backlight brightness values of arithmetic progression distribution is obtained, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, such as backlight brightness values is 40cd/m
2time, 40/400=10%, therefore 40cd/m
2be exactly 10% of this screen luminance of mobile phone, and obtain corresponding current value through test, as shown in the table:
Table 2
| Screen intensity ratio (%) | Screen brightness (unit: cd/m 2) | Current value (unit: milliampere) |
| 0 | 0 | 0 |
| 1 | 4 | 0.15 |
| 2 | 8 | 0.31 |
| 3 | 12 | 0.46 |
| 4 | 16 | 0.62 |
| 5 | 20 | 0.78 |
| 6 | 24 | 0.94 |
| 7 | 28 | 1.1 |
| 8 | 32 | 1.15 |
| 9 | 36 | 1.31 |
| 10 | 40 | 1.47 |
| ... | ... | ... |
| 90 | 360 | 16.3 |
| 91 | 364 | 16.63 |
| 92 | 368 | 16.94 |
| 93 | 372 | 17.26 |
| 94 | 376 | 17.59 |
| 95 | 380 | 17.93 |
| 96 | 384 | 18.28 |
| 97 | 388 | 18.65 |
| 98 | 392 | 19.05 |
| 99 | 396 | 19.55 |
| 100 | 400 | 20 |
Thus, obtain the current value corresponding to different screen brightness value, therefore when user selects concrete brightness number percent, just can be adjusted to current value corresponding in table 2.Such as, testing out screen luminance of mobile phone is 20cd/m
2time, brightness number percent be exactly 5% (20 divided by 400), current value is 0.78 milliampere; Brightness is 40cd/m
2time, brightness number percent be exactly 10% (40 divided by 400), current value is 1.47 milliamperes; Brightness is 372cd/m
2time, brightness number percent be exactly 93% (372 divided by 400), current value is 17.26 milliamperes; So when user is when regulating brightness, when needing the brightness number percent of mobile phone screen to be adjusted to 5%, current value will be adjusted to 0.78 milliampere by mobile phone; Need by the brightness regulation of mobile phone screen to 10% time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need by the brightness regulation of mobile phone screen to 93% time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.When present mobile terminal or flat panel TV etc. carry out adjustment brightness, also regulated by number percent, use number percent to carry out regulating also is accurately simultaneously, also user-friendly, meet user's use habit, adopt in this way, brightness number percent is fixing, from 0% to 100%, increase progressively according to 1%, obtain the different current values corresponding to brightness number percent, then when user regulates brightness, also be carry out step-by-step adjustment according to 1%, convenient adjustment, corresponding current value regulates simultaneously, also can be more accurate, when user can be allowed to adjust backlight illumination, personal understanding is to brightness percentage change, to user with true and reliable sensation, the Consumer's Experience of improving product.
Embodiment three
As shown in Figure 3, the present embodiment also discloses a kind of device adjusting backlight illumination, and described device comprises:
Acquisition device 201, for current value corresponding under obtaining the different backlight illumination of display device;
Regulating device 202, for adjusting to corresponding current value according to the backlight illumination selected.
Adopt this device, current value corresponding under first obtaining the different backlight illumination of display device by test, backlight illumination and current value are carried out one_to_one corresponding, afterwards when the brightness of user's adjustment in use, be adjusted to a certain brightness, just can find out the current value corresponding to this brightness, then just the current value of display device is adjusted to the current value of this correspondence, thus the brightness allowing user obtain user to want, adopt the backlight illumination that user can be allowed to regulate in this way more accurate, more meet the in-mind anticipation of user, obtain suitable backlight brightness values.
Such as, for mobile phone, first test screen luminance of mobile phone and corresponding current value, testing out screen luminance of mobile phone is 20cd/m
2time, current value is 0.78 milliampere; Brightness is 40cd/m
2time, current value is 1.47 milliamperes; Brightness is 372cd/m
2time, current value is 17.26 milliamperes; So when user is when regulating brightness, need the brightness regulation of mobile phone screen to 20cd/m
2time, current value will be adjusted to 0.78 milliampere by mobile phone; Need the brightness regulation of mobile phone screen to 40cd/m
2time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need the brightness regulation of mobile phone screen to 372cd/m
2time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.And if user to want to be adjusted to brightness be 21cd/m
2time, because 21cd/m
2corresponding current value did not have test, compares, such as, choose 20cd/m so be merely able to find out immediate brightness value
2time corresponding current value 0.78 milliampere.And the screen luminance of mobile phone such as tested out is 24cd/m
2time, current value is 0.94 milliampere, then wanting to be adjusted to brightness user is 22cd/m
2time, still can select 20cd/m
2time corresponding current value 0.78 milliampere; If it is 23cd/m that user wants to be adjusted to brightness
2time, brightness just can be selected to be 24cd/m
2time corresponding current value 0.94 milliampere.
According to another example, described acquisition device 201 also for: obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
Described regulating device 202 also for: according to select backlight brightness values, be adjusted to the current value corresponding with described backlight brightness values.
Such as, for mobile phone, the maximum backlight brightness values of mobile phone screen is 400cd/m
2, preset and regulate exponent number value to be 100, therefore backlight illumination tolerance value is 400/100=4, therefore obtains the backlight brightness values of arithmetic progression distribution, and obtains corresponding current value through test, as shown in the table:
Table 3
Thus, obtain the current value corresponding to different screen brightness value, therefore when user selects concrete brightness value, just can be adjusted to current value corresponding in table 3.Such as, testing out screen luminance of mobile phone is 20cd/m
2time, current value is 0.78 milliampere; Brightness is 40cd/m
2time, current value is 1.47 milliamperes; Brightness is 372cd/m
2time, current value is 17.26 milliamperes; So when user is when regulating brightness, need the brightness regulation of mobile phone screen to 20cd/m
2time, current value will be adjusted to 0.78 milliampere by mobile phone; Need the brightness regulation of mobile phone screen to 40cd/m
2time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need the brightness regulation of mobile phone screen to 372cd/m
2time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.And if user to want to be adjusted to brightness be 21cd/m
2time, because 21cd/m
2corresponding current value did not have test, compares, such as, choose 20cd/m so be merely able to find out immediate brightness value
2time corresponding current value 0.78 milliampere.And the screen luminance of mobile phone such as tested out is 24cd/m
2time, current value is 0.94 milliampere, then wanting to be adjusted to brightness user is 22cd/m
2time, still can select 20cd/m
2time corresponding current value 0.78 milliampere; If it is 23cd/m that user wants to be adjusted to brightness
2time, brightness just can be selected to be 24cd/m
2time corresponding current value 0.94 milliampere.
Embodiment four
The present embodiment can be thought, to the more detailed description of embodiment three, can use with embodiment San Tong method.
Concrete, in the present embodiment, described acquisition device 201 also for: obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
Described regulating device 202 also for: according to select backlight illumination number percent, be adjusted to the current value corresponding with described backlight illumination number percent.
The present embodiment is exactly first by measuring equipment, the electric current brightness corresponding relation of backlight is measured, and then directly goes to adjust backlight according to the electric current that brightness number percent is corresponding when user adjusts backlight; Backlight display brightness is allowed to go adjustment according to brightness number percent completely.
Such as, for mobile phone, the maximum backlight brightness values of mobile phone screen is 400cd/m
2, preset and regulate exponent number value to be 100, therefore backlight illumination tolerance value is 400/100=4, therefore the backlight brightness values of arithmetic progression distribution is obtained, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, such as backlight brightness values is 40cd/m
2time, 40/400=10%, therefore 40cd/m
2be exactly 10% of this screen luminance of mobile phone, and obtain corresponding current value through test, as shown in the table:
Table 4
Thus, obtain the current value corresponding to different screen brightness value, therefore when user selects concrete brightness number percent, just can be adjusted to current value corresponding in table 4.Such as, testing out screen luminance of mobile phone is 20cd/m
2time, brightness number percent be exactly 5% (20 divided by 400), current value is 0.78 milliampere; Brightness is 40cd/m
2time, brightness number percent be exactly 10% (40 divided by 400), current value is 1.47 milliamperes; Brightness is 372cd/m
2time, brightness number percent be exactly 93% (372 divided by 400), current value is 17.26 milliamperes; So when user is when regulating brightness, when needing the brightness number percent of mobile phone screen to be adjusted to 5%, current value will be adjusted to 0.78 milliampere by mobile phone; Need by the brightness regulation of mobile phone screen to 10% time, current value will be adjusted to 1.47 milliamperes by mobile phone; Need by the brightness regulation of mobile phone screen to 93% time, current value will be adjusted to 17.26 milliamperes by mobile phone; So will be more accurate.When present mobile terminal or flat panel TV etc. carry out adjustment brightness, also regulated by number percent, use number percent to carry out regulating also is accurately simultaneously, also user-friendly, meet user's use habit, adopt in this way, brightness number percent is fixing, from 0% to 100%, increase progressively according to 1%, obtain the different current values corresponding to brightness number percent, then when user regulates brightness, also be carry out step-by-step adjustment according to 1%, convenient adjustment, corresponding current value regulates simultaneously, also can be more accurate, when user can be allowed to adjust backlight illumination, personal understanding is to brightness percentage change, to user with true and reliable sensation, the Consumer's Experience of improving product.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. adjust a method for backlight illumination, it is characterized in that, described method comprises:
Current value corresponding under obtaining the different backlight illumination of display device;
Backlight illumination according to selecting adjusts to corresponding current value.
2. a kind of method adjusting backlight illumination according to claim 1, is characterized in that, the step of current value corresponding under the different backlight illumination of described acquisition display device comprises:
Obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
3. a kind of method adjusting backlight illumination according to claim 2, is characterized in that, the step that the described backlight illumination according to selecting adjusts corresponding current value comprises:
According to the backlight brightness values selected, be adjusted to the current value corresponding with described backlight brightness values.
4. a kind of method adjusting backlight illumination according to claim 1, is characterized in that, the step of current value corresponding under the different backlight illumination of described acquisition display device comprises:
Obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, the backlight brightness values of arithmetic progression distribution is gone out according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
5. a kind of method adjusting backlight illumination according to claim 4, is characterized in that, the step that the described backlight illumination according to selecting adjusts corresponding current value comprises:
According to the backlight illumination number percent selected, be adjusted to the current value corresponding with described backlight illumination number percent.
6. adjust a device for backlight illumination, it is characterized in that, described device comprises:
Acquisition device, for current value corresponding under obtaining the different backlight illumination of display device;
Regulating device, for adjusting to corresponding current value according to the backlight illumination selected.
7. a kind of device adjusting backlight illumination according to claim 6, is characterized in that, described acquisition device also for:
Obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, go out the backlight brightness values of arithmetic progression distribution according to backlight illumination tolerance calculation, the backlight brightness values according to gained obtains corresponding current value.
8. a kind of device adjusting backlight illumination according to claim 7, is characterized in that, described regulating device also for:
According to the backlight brightness values selected, be adjusted to the current value corresponding with described backlight brightness values.
9. a kind of device adjusting backlight illumination according to claim 6, is characterized in that, described acquisition device also for:
Obtain the maximum backlight brightness values of display device, according to described maximum backlight brightness values divided by default adjustment exponent number value, obtain backlight illumination tolerance value, the backlight brightness values of arithmetic progression distribution is gone out according to backlight illumination tolerance calculation, by the backlight brightness values of gained divided by maximum backlight brightness values, obtain backlight illumination number percent, obtain the current value corresponding to described backlight illumination number percent.
10. a kind of device adjusting backlight illumination according to claim 9, is characterized in that, described regulating device also for:
According to the backlight illumination number percent selected, be adjusted to the current value corresponding with described backlight illumination number percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017041.0A CN105427815A (en) | 2016-01-12 | 2016-01-12 | Method and apparatus for adjusting backlight brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017041.0A CN105427815A (en) | 2016-01-12 | 2016-01-12 | Method and apparatus for adjusting backlight brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105427815A true CN105427815A (en) | 2016-03-23 |
Family
ID=55505973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017041.0A Pending CN105427815A (en) | 2016-01-12 | 2016-01-12 | Method and apparatus for adjusting backlight brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105427815A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788539A (en) * | 2016-05-20 | 2016-07-20 | 京东方科技集团股份有限公司 | Backlight adjusting method and system, backlight modules and display device |
| CN108269524A (en) * | 2017-01-03 | 2018-07-10 | 昆山国显光电有限公司 | A kind of method and system for adjusting AMOLED brightness of display screen |
| WO2018219291A1 (en) * | 2017-06-02 | 2018-12-06 | 广东野光源眼科技有限公司 | Control method |
| CN110164385A (en) * | 2019-05-31 | 2019-08-23 | 厦门天马微电子有限公司 | A kind of adjusting method of back light source brightness |
| CN110890069A (en) * | 2018-09-07 | 2020-03-17 | 深圳市巨烽显示科技有限公司 | Display brightness adjusting method and device and display |
| CN111681614A (en) * | 2020-06-18 | 2020-09-18 | 上海闻泰电子科技有限公司 | Backlight brightness value adjusting method and device, electronic equipment and storage medium |
| CN112230834A (en) * | 2020-10-30 | 2021-01-15 | 上海龙旗科技股份有限公司 | Method and device for adjusting backlight of intelligent device |
| CN118248103A (en) * | 2024-05-20 | 2024-06-25 | 合肥为国半导体有限公司 | Local dimming driving method and device and related equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030164815A1 (en) * | 2002-03-01 | 2003-09-04 | Fujitsu Display Technologies Corporation | Back light and liquid crystal display |
| CN1620681A (en) * | 2001-08-23 | 2005-05-25 | 精工爱普生株式会社 | Electronic device drive method, electronic device, semiconductor integrated circuit, and electronic apparatus |
| CN1758175A (en) * | 2004-10-08 | 2006-04-12 | 索尼公司 | Led driving apparatus and method of controlling luminous power |
| CN102903337A (en) * | 2012-09-21 | 2013-01-30 | 京东方科技集团股份有限公司 | Liquid crystal display as well as control method and device thereof |
| CN104080245A (en) * | 2013-03-25 | 2014-10-01 | 雅马哈株式会社 | Control signal generating device and audio signal processing device |
| CN104754134A (en) * | 2015-03-31 | 2015-07-01 | 酷派软件技术（深圳）有限公司 | Screen brightness adjusting method and screen brightness adjusting system |
| CN104851415A (en) * | 2015-06-10 | 2015-08-19 | 联想(北京)有限公司 | Control method and device, and electronic equipment |
-
2016
- 2016-01-12 CN CN201610017041.0A patent/CN105427815A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1620681A (en) * | 2001-08-23 | 2005-05-25 | 精工爱普生株式会社 | Electronic device drive method, electronic device, semiconductor integrated circuit, and electronic apparatus |
| US20030164815A1 (en) * | 2002-03-01 | 2003-09-04 | Fujitsu Display Technologies Corporation | Back light and liquid crystal display |
| CN1758175A (en) * | 2004-10-08 | 2006-04-12 | 索尼公司 | Led driving apparatus and method of controlling luminous power |
| CN102903337A (en) * | 2012-09-21 | 2013-01-30 | 京东方科技集团股份有限公司 | Liquid crystal display as well as control method and device thereof |
| CN104080245A (en) * | 2013-03-25 | 2014-10-01 | 雅马哈株式会社 | Control signal generating device and audio signal processing device |
| CN104754134A (en) * | 2015-03-31 | 2015-07-01 | 酷派软件技术（深圳）有限公司 | Screen brightness adjusting method and screen brightness adjusting system |
| CN104851415A (en) * | 2015-06-10 | 2015-08-19 | 联想(北京)有限公司 | Control method and device, and electronic equipment |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788539A (en) * | 2016-05-20 | 2016-07-20 | 京东方科技集团股份有限公司 | Backlight adjusting method and system, backlight modules and display device |
| CN105788539B (en) * | 2016-05-20 | 2018-07-10 | 京东方科技集团股份有限公司 | Backlight adjusting method and system, backlight module and display device |
| CN108269524A (en) * | 2017-01-03 | 2018-07-10 | 昆山国显光电有限公司 | A kind of method and system for adjusting AMOLED brightness of display screen |
| US11069321B2 (en) | 2017-06-02 | 2021-07-20 | Guangdong Xiaye Household Electrical Appliances Co., Ltd | Control method |
| WO2018219291A1 (en) * | 2017-06-02 | 2018-12-06 | 广东野光源眼科技有限公司 | Control method |
| CN110890069A (en) * | 2018-09-07 | 2020-03-17 | 深圳市巨烽显示科技有限公司 | Display brightness adjusting method and device and display |
| CN110890069B (en) * | 2018-09-07 | 2021-04-20 | 深圳市巨烽显示科技有限公司 | Display brightness adjusting method and device and display |
| CN110164385A (en) * | 2019-05-31 | 2019-08-23 | 厦门天马微电子有限公司 | A kind of adjusting method of back light source brightness |
| CN111681614A (en) * | 2020-06-18 | 2020-09-18 | 上海闻泰电子科技有限公司 | Backlight brightness value adjusting method and device, electronic equipment and storage medium |
| WO2021254455A1 (en) * | 2020-06-18 | 2021-12-23 | 闻泰科技(深圳)有限公司 | Backlight brightness value adjustment method and apparatus, and electronic device and storage medium |
| CN112230834A (en) * | 2020-10-30 | 2021-01-15 | 上海龙旗科技股份有限公司 | Method and device for adjusting backlight of intelligent device |
| CN118248103A (en) * | 2024-05-20 | 2024-06-25 | 合肥为国半导体有限公司 | Local dimming driving method and device and related equipment |
| CN118248103B (en) * | 2024-05-20 | 2024-08-09 | 合肥为国半导体有限公司 | Local dimming driving method and device and related equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105427815A (en) | Method and apparatus for adjusting backlight brightness | |
| US10037070B2 (en) | Image display method and display system | |
| WO2016192188A1 (en) | Method and terminal for adjusting cpu operation parameter | |
| CN105336286A (en) | Spliced screen color adjusting method and device | |
| CN104571990A (en) | Method and system for adjusting operating state of display screen | |
| CN107068044B (en) | Image gamma revision method, scanning card and display system | |
| CN109599054A (en) | The control method and device of display panel brightness | |
| CN105825834A (en) | Terminal and backlight brightness adjustment method thereof | |
| CN105719611A (en) | Display uniformity adjusting method and device for liquid crystal display equipment | |
| CN105336309A (en) | Screen brightness adjusting method and electronic equipment | |
| CN105516281A (en) | Low energy consumption and load balance transfer calculating method and device based on mobile cloud environment | |
| CN103942105A (en) | Method and device for acquiring resource utilization situation | |
| CN105739824A (en) | Application icon display method and apparatus | |
| CN107533827A (en) | Backlight circuit, electronic equipment and backlight adjusting method | |
| CN104954286B (en) | The method and device of bandwidth allocation | |
| CN103487964B (en) | A kind of real-time dynamic power consumption display device | |
| CN105373373B (en) | Method and device for quickly generating icon | |
| CN105745807B (en) | A kind of DC-DC power source control circuit and electronic equipment | |
| CN103517297B (en) | A kind of method for displaying signal intensity and device | |
| CN105354054A (en) | Electronic product and adjusting method for performance parameter thereof | |
| CN105988677A (en) | Method and device for controlling page brightness | |
| CN112863424A (en) | Display screen brightness adjusting method and device and electronic equipment | |
| CN102157124B (en) | The display screen control device of smart allocation and the display screen control system of smart allocation | |
| CN104765599A (en) | Terminal | |
| CN103631577A (en) | Image display adjusting method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |