CN102946494A - Mobile terminal and method for automatically adjusting backlight brightness - Google Patents
Mobile terminal and method for automatically adjusting backlight brightness Download PDFInfo
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- CN102946494A CN102946494A CN2012104916342A CN201210491634A CN102946494A CN 102946494 A CN102946494 A CN 102946494A CN 2012104916342 A CN2012104916342 A CN 2012104916342A CN 201210491634 A CN201210491634 A CN 201210491634A CN 102946494 A CN102946494 A CN 102946494A
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Abstract
The invention relates to a mobile terminal and a method for automatically adjusting backlight brightness. The mobile terminal comprises a light sensing module, a receiving module, a storage module, a processor and a backlight driving module, the light sensing module is used for sensing the peripheral and current environment brightness of the mobile terminal, the receiving module is used for receiving backlight parameters inputted by a user, the storage module is used for storing a first backlight parameter list, the first backlight parameter list comprises the environment brightness sensed by the light sensing module and the backlight parameter inputted by the user and corresponding to the environment brightness, the processor is used for searching the corresponding backlight parameter according to the environment brightness sensed by the light sensing module in the first backlight parameter list in the storage module, and further outputting backlight brightness setting according to the backlight parameter, and the backlight driving module is used for adjusting a display unit to reach preset backlight brightness according to the backlight brightness setting outputted by the processor. The backlight brightness of the mobile terminal can be automatically adjusted according to the environment brightness and user preferences (the first backlight parameter list), and user experience is improved.
Description
Technical field
The present invention relates to portable terminal, more particularly, relate to a kind of portable terminal and method thereof of automatic adjustment backlight illumination.
Background technology
At present, the portable terminal display backlight brightness such as most of mobile phone all is to adopt the method that presets preset parameter.Comprise screen and key groups such as conventional mobile phone, when the user wants to change the backlight illumination of screen, need the backlight illumination size by the key groups self-setting screen, and ambient brightness is ceaselessly changing (such as daytime, night, fine, the ambient brightnesss such as rainy day are different), the user just needs ceaselessly by backlight illumination manually is set, to know the display frame content, simultaneously also can reduce power consumption, if backlight illumination is arranged to bigger than normal always, although then satisfied clearly display frame content, when but backlight illumination was larger, the power consumption of screen was also larger, will relatively reduce the stand-by time of mobile phone.In existing improvement project, have at portable terminal and increased a photosensor senses surround lighting, and then along with backlight illumination is adjusted in the variation of surround lighting, at present the corresponding relation of surround lighting and backlight illumination is (such as the Default Value) of default setting in advance in this improvement project, be different user in use, the backlight illumination that same surround lighting is corresponding all is the same, but, no user is different to the comfort level of backlight illumination, as under same surround lighting, the backlighting parameters that user A needs is 10%, and the backlighting parameters that user B needs is 20%, and this will cause this scheme only to change backlighting parameters according to surround lighting, and then changes backlight illumination, and can not consider each user's personal like, select the Extraordinary backlight illumination.
Summary of the invention
The technical problem to be solved in the present invention is, for only automatically the adjusting backlight illumination according to surround lighting and can not adjust according to user preferences the defective of backlight illumination of prior art, provide a kind of portable terminal and the method thereof that can automatically adjust according to ambient brightness and user preferences backlight illumination.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of portable terminal of automatic adjustment backlight illumination, comprising:
Optical sensing module is for the present environmental light brightness of sensing movement terminal surrounding;
Receiver module is used for receiving the backlighting parameters that the user inputs;
Memory module is used for storage the first backlighting parameters table, and this first backlighting parameters table comprises the environmental light brightness of optical sensing module sensing and the backlighting parameters inputted of corresponding user with it;
Processor is used for searching corresponding backlighting parameters according to the environmental light brightness of optical sensing module sensing at the first backlighting parameters table of described memory module, sets according to this backlighting parameters output backlight illumination again;
The backlight drive module is used for setting the adjustment display unit according to the described backlight illumination of processor output and reaches predetermined backlight illumination.
In the portable terminal of automatic adjustment backlight illumination of the present invention, the second backlighting parameters table of acquiescence that described memory module also is used for this portable terminal of storage when dispatching from the factory, described the second backlighting parameters table comprise dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it;
Described portable terminal also comprises the Working mode set module, be used for to set the mode of operation of portable terminal, this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and adjusts the second mode of operation of backlight illumination according to the second backlighting parameters table.
In the portable terminal of automatic adjustment backlight illumination of the present invention, described portable terminal also comprises analog-to-digital conversion module, this analog-to-digital conversion module is connected between optical sensing module and the processor, is used for the analog signal conversion of described optical sensing module output is become digital signal.
In the portable terminal of automatic adjustment backlight illumination of the present invention, described portable terminal also comprises D/A converter module, this D/A converter module is connected between processor and the backlight drive module, is used for converting the digital signal of processor output to analog signal.
In the portable terminal of automatic adjustment backlight illumination of the present invention, described portable terminal is smart mobile phone, palmtop PC.
The present invention also constructs a kind of method of automatic adjustment backlight illumination, uses the portable terminal of above-mentioned automatic adjustment backlight illumination, may further comprise the steps:
S1, store the first backlighting parameters table in memory module, this first backlighting parameters table comprises the environmental light brightness of optical sensing module sensing and the backlighting parameters of corresponding user's input with it;
S2, the present environmental light brightness by optical sensing module sensing movement terminal surrounding;
S3, processor are searched corresponding backlighting parameters according to the first backlighting parameters table of environmental light brightness in described memory module of optical sensing module sensing, set according to this backlighting parameters output backlight illumination again;
S4, backlight drive module are set the adjustment display unit according to the described backlight illumination of processor output and are reached predetermined backlight illumination.
In the method for automatic adjustment backlight illumination of the present invention, described step S1 stores the first backlighting parameters table and specifically may further comprise the steps:
The present environmental light brightness of S11, optical sensing module sensing movement terminal surrounding;
S12, receiver module receive the backlighting parameters of user's input;
S13, the with it corresponding environmental light brightness of the backlighting parameters of user input and optical sensing module sensing is added in the first backlighting parameters table.
In the method for automatic adjustment backlight illumination of the present invention, also stored when this portable terminal dispatches from the factory the second backlighting parameters table of acquiescence in the memory module, described the second backlighting parameters table comprises dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it;
Further comprising the steps of before step S1:
S0, set the mode of operation of portable terminal by the Working mode set module, this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and is used for adjusting according to the second backlighting parameters table the second mode of operation of backlight illumination.
In the method for automatic adjustment backlight illumination of the present invention, further comprising the steps of before the described step S3:
The analog-to-digital conversion module of S31, portable terminal becomes digital signal with the analog signal conversion of optical sensing module output, sends processor to again.
In the method for automatic adjustment backlight illumination of the present invention, described portable terminal is smart mobile phone, palmtop PC.
Implement portable terminal and the method for automatic adjustment backlight illumination of the present invention, has following beneficial effect: by in memory cell, setting in advance first a backlighting parameters table, this backlighting parameters comprises the environmental light brightness of sensing module sensing and the backlighting parameters (namely this first backlighting parameters table is that the user likes setting according to the individual) of corresponding user's input with it, processor is searched corresponding backlighting parameters according to the environmental light brightness of optical sensing module sensing at the first backlighting parameters table, sets according to this backlighting parameters output backlight illumination again; Then set the adjustment display unit by the backlight drive module according to the backlight illumination of processor output and reach predetermined backlight illumination, can automatically adjust backlight illumination according to ambient brightness and user preferences easily, improve the user and experience.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the first example structure block diagram of the portable terminal of automatic adjustment backlight illumination of the present invention;
Fig. 2 is the first example structure block diagram of the portable terminal of automatic adjustment backlight illumination of the present invention;
Fig. 3 is the method flow diagram of automatic adjustment backlight illumination of the present invention.
Embodiment
In order to make purpose of the present invention clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, in the first example structure block diagram of the portable terminal 100 of automatic adjustment backlight illumination of the present invention, this portable terminal 100 comprises: optical sensing module 11, receiver module 12, memory module 13, processor 14, backlight drive module 15, display unit 16; Optical sensing module 11 is used for the present environmental light brightness of sensing movement terminal surrounding; Receiver module 12 is used for receiving the backlighting parameters of user's input; Memory module 13 is used for storage the first backlighting parameters table, and this first backlighting parameters table comprises the environmental light brightness of optical sensing module 11 sensings and the backlighting parameters inputted of corresponding user with it; Processor 14 is used for searching corresponding backlighting parameters according to the environmental light brightness of optical sensing module 11 sensings at the first backlighting parameters table of memory module 13, sets according to this backlighting parameters output backlight illumination again; Backlight drive module 15 is used for setting adjustment display unit 16 according to the described backlight illumination of processor output and reaches predetermined backlight illumination.Namely in the specific implementation, the user can arrange the first backlighting parameters table according to the personal like first, under at the present situation, start the current environmental light brightness A1 of optical sensing module 11 sensings, then input backlighting parameters, as can inputting 10%, 20% etc., the user can will think personally that the backlighting parameters of under this environmental light brightness the most comfortable is stored in the first backlighting parameters table in the memory module 13 as backlighting parameters corresponding under this environmental light brightness.The user can arrange this first backlighting parameters table under different environment, form first a backlighting parameters table that meets user habit, automatically to adjust backlight illumination according to this first backlighting parameters table in use.The user in use, also can revise this first backlighting parameters table, be 10% as backlighting parameters corresponding to environmental light brightness A1 is set before, it can be modified as 20%, namely with 20% cover point original 10%, the user may wish to adopt different backlighting parameters to same environmental light brightness at different times.
Optical sensing module 11 adopts optical sensors, can be UV sensor or other.
Further, the second backlighting parameters table of acquiescence that memory module 13 also is used for this portable terminal 100 of storage when dispatching from the factory, this second backlighting parameters table comprise dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it.This second backlighting parameters table is popular set-up mode, and fixes, and the user can not arbitrarily change.
Further, portable terminal 100 also comprises Working mode set module 17, be used for to set the mode of operation of portable terminal 100, this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and adjusts the second mode of operation of backlight illumination according to the second backlighting parameters table.When portable terminal is in the first mode of operation, and when the present environmental light brightness of optical sensing module 11 sensing movement terminal surrounding is A1, then processor is searched corresponding backlighting parameters B1 according to the first backlighting parameters table of this environmental light brightness A1 in memory module 13, sets according to this backlighting parameters B1 output backlight illumination again.When portable terminal is in the second mode of operation, and when the present environmental light brightness of sensing module 11 sensing movement terminal surrounding is A1, then processor is searched corresponding backlighting parameters b1 according to the second backlighting parameters table of this environmental light brightness A1 in memory module 13, sets according to this backlighting parameters b1 output backlight illumination again.Backlight drive module 15 is set adjustment display unit 16 according to the backlight illumination of processor 14 outputs and is reached predetermined backlight illumination.
Further, as shown in Figure 2, this portable terminal also comprises analog-to-digital conversion module 18, D/A converter module 19; This analog-to-digital conversion module 18 is connected between optical sensing module 11 and the processor 14, is used for the analog signal conversion of optical sensing module output is become digital signal, digital signal is sent to processor 14 again; D/A converter module 19 is connected between processor and the backlight drive module, is used for converting the digital signal of processor output to analog signal.
Further, this portable terminal 100 is smart mobile phone, palmtop PC etc.
Adopt the portable terminal of the automatic adjustment backlight illumination of this invention, the user can set in advance first a backlighting parameters table, this backlighting parameters comprises the environmental light brightness of sensing module sensing and the backlighting parameters (namely this first backlighting parameters table is that the user likes setting according to the individual) of corresponding user's input with it, processor is searched corresponding backlighting parameters according to the environmental light brightness of optical sensing module sensing at the first backlighting parameters table, sets according to this backlighting parameters output backlight illumination again; Then set the adjustment display unit by the backlight drive module according to the backlight illumination of processor output and reach predetermined backlight illumination, can automatically adjust backlight illumination according to ambient brightness and user preferences easily, improve the user and experience.The user also can search backlighting parameters corresponding to current environmental light brightness by the second backlighting parameters table.It is to read corresponding backlighting parameters from the first backlighting parameters table or the second backlighting parameters table that the user can set processor by the Working mode set module, so that this portable terminal can be various backlight illumination is set.
As shown in Figure 3, in the method flow diagram of automatic adjustment backlight illumination of the present invention, use the portable terminal of automatically adjusting backlight illumination shown in Fig. 1 or 2, may further comprise the steps:
S1, at memory module 13 storage the first backlighting parameters table, this first backlighting parameters table comprises the environmental light brightness of optical sensing module sensing and the backlighting parameters inputted of corresponding user with it;
S2, by the present environmental light brightness around the optical sensing module 11 sensing movement terminals 100;
S3, processor 14 are searched corresponding backlighting parameters according to the first backlighting parameters table of environmental light brightness in memory module 13 of optical sensing module 11 sensings, set according to this backlighting parameters output backlight illumination again;
S4, backlight drive module 15 are set adjustment display unit 16 according to the backlight illumination of processor 14 outputs and are reached predetermined backlight illumination.
Further, storing the first backlighting parameters table at step S1 specifically may further comprise the steps:
The present environmental light brightness of S11, optical sensing module 11 sensing movement terminal surrounding; Optical sensing module 11 adopts optical sensors, can be UV sensor or other.
S12, receiver module receive the backlighting parameters of user's input;
S13, the with it corresponding environmental light brightness of the backlighting parameters of user input and optical sensing module sensing is added in the first backlighting parameters table.
In specific implementation process, the user can arrange the first backlighting parameters table according to the personal like first, under at the present situation, in step S11, start the current environmental light brightness A1 of optical sensing module 11 sensings, then input backlighting parameters, as can inputting 10%, 20% etc., the user can will think personally that corresponding backlighting parameters under the backlighting parameters of under this environmental light brightness A1 the most comfortable is as this environmental light brightness is stored in the first backlighting parameters table in the memory module 13.The user can arrange this first backlighting parameters table under different environment, form first a backlighting parameters table that meets user habit, automatically to adjust backlight illumination according to this first backlighting parameters table in use.The user in use, also can revise this first backlighting parameters table, be 10% as backlighting parameters corresponding to environmental light brightness A1 is set before, it can be modified as 20%, namely with 20% cover point original 10%, the user may wish to adopt different backlighting parameters to same environmental light brightness at different times.
Further, also stored when this portable terminal 100 dispatches from the factory the second backlighting parameters table of acquiescence in the memory module 13, the second backlighting parameters table comprises dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it.This second backlighting parameters table is popular set-up mode, and fixes, and the user can not arbitrarily change.
Further, further comprising the steps of before step S1:
S0, set the mode of operation of portable terminals 100 by Working mode set module 17, this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and is used for adjusting according to the second backlighting parameters table the second mode of operation of backlight illumination.
When portable terminal is in the first mode of operation, and when the present environmental light brightness of optical sensing module 11 sensing movement terminal surrounding is A1, then processor is searched corresponding backlighting parameters B1 according to the first backlighting parameters table of this environmental light brightness A1 in memory module 13, sets according to this backlighting parameters B1 output backlight illumination again.When portable terminal is in the second mode of operation, and when the present environmental light brightness of sensing module 11 sensing movement terminal surrounding is A1, then processor is searched corresponding backlighting parameters b1 according to the second backlighting parameters table of this environmental light brightness A1 in memory module 13, sets according to this backlighting parameters b1 output backlight illumination again.Backlight drive module 15 is set adjustment display unit 16 according to the backlight illumination of processor 14 outputs and is reached predetermined backlight illumination.
Further, further comprising the steps of before the step S3:
The analog-to-digital conversion module of S31, portable terminal becomes digital signal with the analog signal conversion of optical sensing module output, sends processor to again.
Further, portable terminal is smart mobile phone, palmtop PC etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a portable terminal of automatically adjusting backlight illumination is characterized in that, comprising:
Optical sensing module (11) is for the present environmental light brightness of sensing movement terminal surrounding;
Receiver module (12) is used for receiving the backlighting parameters that the user inputs;
Memory module (13) is used for storage the first backlighting parameters table, and this first backlighting parameters table comprises the environmental light brightness of optical sensing module sensing and the backlighting parameters inputted of corresponding user with it;
Processor (14) is used for searching corresponding backlighting parameters according to the environmental light brightness of optical sensing module sensing at the first backlighting parameters table of described memory module, sets according to this backlighting parameters output backlight illumination again;
Backlight drive module (15) is used for setting adjustment display unit (16) according to the described backlight illumination of processor output and reaches predetermined backlight illumination.
2. the portable terminal of automatic adjustment backlight illumination according to claim 1, it is characterized in that, the second backlighting parameters table of acquiescence that described memory module (13) also is used for this portable terminal of storage when dispatching from the factory, described the second backlighting parameters table comprise dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it;
Described portable terminal also comprises Working mode set module (17), be used for to set the mode of operation of portable terminal, this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and adjusts the second mode of operation of backlight illumination according to the second backlighting parameters table.
3. the portable terminal of automatic adjustment backlight illumination according to claim 2, it is characterized in that, described portable terminal also comprises analog-to-digital conversion module (18), this analog-to-digital conversion module (18) is connected between optical sensing module (11) and the processor (14), is used for the analog signal conversion of described optical sensing module (11) output is become digital signal.
4. the portable terminal of automatic adjustment backlight illumination according to claim 3, it is characterized in that, described portable terminal also comprises D/A converter module (19), this D/A converter module (19) is connected between processor (14) and the backlight drive module (15), is used for converting the digital signal of processor (14) output to analog signal.
5. the portable terminal of automatic adjustment backlight illumination according to claim 4 is characterized in that, described portable terminal is smart mobile phone, palmtop PC.
6. a method of automatically adjusting backlight illumination is used the portable terminal such as each described automatic adjustment backlight illumination of claim 1-5, it is characterized in that, may further comprise the steps:
S1, at memory module (13) storage the first backlighting parameters table, this first backlighting parameters table comprises the environmental light brightness of optical sensing module (11) sensing and the backlighting parameters inputted of corresponding user with it;
S2, the present environmental light brightness by optical sensing module (11) sensing movement terminal surrounding;
S3, processor (14) are searched corresponding backlighting parameters according to the first backlighting parameters table of environmental light brightness in described memory module of optical sensing module sensing, set according to this backlighting parameters output backlight illumination again;
S4, backlight drive module (15) are set the adjustment display unit according to the described backlight illumination of processor output and are reached predetermined backlight illumination.
7. the method for automatic adjustment backlight illumination according to claim 6 is characterized in that, described step S1 stores the first backlighting parameters table and specifically may further comprise the steps:
The present environmental light brightness of S11, optical sensing module (11) sensing movement terminal surrounding;
S12, receiver module (12) receive the backlighting parameters of user's input;
S13, the with it corresponding environmental light brightness of the backlighting parameters of user input and optical sensing module (11) sensing is added in the first backlighting parameters table.
8. the method for automatic adjustment backlight illumination according to claim 7, it is characterized in that, also stored when this portable terminal dispatches from the factory the second backlighting parameters table of acquiescence in the memory module, described the second backlighting parameters table comprises dispatch from the factory default environmental light brightness and the backlighting parameters of correspondence with it;
Further comprising the steps of before step S1:
S0, set the mode of operation of portable terminal by Working mode set module (17), this mode of operation comprises according to the first backlighting parameters table to be adjusted the first mode of operation of backlight illumination and is used for adjusting according to the second backlighting parameters table the second mode of operation of backlight illumination.
9. the method for automatic adjustment backlight illumination according to claim 6 is characterized in that, and is further comprising the steps of before the described step S3:
The analog-to-digital conversion module of S31, portable terminal becomes digital signal with the analog signal conversion of optical sensing module output, sends processor to again.
10. the method for automatic adjustment backlight illumination according to claim 6 is characterized in that, described portable terminal is smart mobile phone, palmtop PC.
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