CN103377621B - Back light adjusting system and method - Google Patents
Back light adjusting system and method Download PDFInfo
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- CN103377621B CN103377621B CN201210113619.4A CN201210113619A CN103377621B CN 103377621 B CN103377621 B CN 103377621B CN 201210113619 A CN201210113619 A CN 201210113619A CN 103377621 B CN103377621 B CN 103377621B
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- exposure value
- camera
- micro
- control unit
- camera exposure
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Abstract
A kind of system and backlight adjusting method, it is adaptable to a backlight module.After this backlight adjusting method comprises the steps of a camera exposure value sensing units sense environment light source of a camera model, transmit a camera exposure value signal to a micro-control unit；This micro-control unit according to the signal synopsis an of camera exposure value with backlight illumination transmit to should a backlight illumination signal of camera exposure value signal to a backlight module driver element；This backlight module drive unit drives also controls the brightness of this backlight module.Wherein, this camera exposure value is stored in a mnemon with the signal synopsis of backlight illumination.
Description
Technical field
The present invention relates to a kind of adjustment System and method for, particularly to a kind of back light adjusting system and method.
Background technology
Science and technology is maked rapid progress, and increasing electronic product is all integrated into commodity, to allow consumer use
Get up enhanced convenience；Such as intelligent mobile phone or mobile computer, be equiped with network camera the most simultaneously
, and can automatically adjust the backlight module of backlight illumination according to environment light source and (allow user eye (webcam)
Eyeball is more comfortable, the most more power saving).
Automatically the function of exposure value is adjusted after having sensing environment light source in above-mentioned network camera, and can be according to environment
Light source then includes optical inductor in automatically adjusting the backlight module of backlight illumination, uses induced environment light source
Brightness and automatically adjust the brightness of backlight module；So, existing product has the most simultaneously network camera and
Optical inductor element, uses number of elements by increasing and improves the manufacturing cost of Producer.
Therefore, the exposure value such as by the light sensing of network camera replaces optical inductor function, not only
The light sensing function of before-mentioned products can be integrated, it is possible to save the component cost of optical inductor.
Summary of the invention
For improving the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of back light adjusting system.
For improving the shortcoming of above-mentioned prior art, it is still another object of the present invention to provide a kind of backlight adjustment side
Method.
For reaching the above-mentioned purpose of the present invention, the present invention provides a kind of back light adjusting system to be applicable to a backlight mould
Block, this back light adjusting system comprises: a micro-control unit；One camera exposure value sensing unit, is electrically connected with
To this micro-control unit；One backlight module driver element, is electrically connected to this micro-control unit and this backlight mould
Block, in order to drive this backlight module；And a mnemon, it is electrically connected to this micro-control unit, in order to store up
Deposit the signal synopsis of a camera exposure value and backlight illumination.When this camera exposure value sensing units sense ring
After environmental light source, transmit a camera exposure value signal to this micro-control unit；This micro-control unit is according to this camera
The signal synopsis of exposure value and backlight illumination transmits should a backlight illumination letter of camera exposure value signal
Number to this backlight module driver element to drive and to control the brightness of this backlight module.
For reaching the above-mentioned purpose of the present invention, the present invention also provides for a kind of back light adjusting system and is applicable to a backlight
Module, this back light adjusting system comprises: a micro-control unit；One camera model, has a camera exposure value
Sensing unit, is electrically connected to this micro-control unit；One backlight module driver element, is electrically connected to this micro-
Control unit and this backlight module, in order to drive this backlight module；And a mnemon, it is electrically connected to this
Micro-control unit, in order to store the signal synopsis of a camera exposure value and backlight illumination.When this camera exposes
After light value sensing units sense environment light source, transmit a camera exposure value signal to this micro-control unit；This is micro-
Control unit transmits should camera exposure value according to the signal synopsis of this camera exposure value and backlight illumination
One backlight illumination signal of signal with driving and controls the bright of this backlight module to this backlight module driver element
Degree.
Wherein this camera model also comprises a lens unit, arranges relative to this camera exposure value sensing unit.
For reaching the above-mentioned purpose of the present invention, the present invention provides a kind of backlight adjusting method to be applicable to a backlight mould
Block, this backlight adjusting method comprises the steps of a camera exposure value sensing units sense of a camera model
After environment light source, transmit a camera exposure value signal to a micro-control unit；This micro-control unit is according to one
Camera exposure value and the signal synopsis of backlight illumination transmit to should a backlight of camera exposure value signal bright
Degree signal is to a backlight module driver element；This backlight module drive unit drives also controls this backlight module
Brightness.Wherein, this camera exposure value is stored in a mnemon with the signal synopsis of backlight illumination.
Effect of the present invention is to utilize the exposure value of camera model to adjust the backlight illumination of backlight module, and energy
Save the optical inductor of backlight module.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 is an embodiment block diagram of the back light adjusting system of the present invention；
Fig. 2 is another embodiment block diagram of the back light adjusting system of the present invention；
Fig. 3 is the backlight adjusting method flow chart of the present invention；
Fig. 4 is a camera exposure value embodiment synopsis with the signal synopsis of backlight illumination of the present invention
Lattice.
Wherein, reference
Back light adjusting system 10
Backlight module 20
Micro-control unit 102
Camera exposure value sensing unit 104
Backlight module driver element 106
Mnemon 108
Camera model 110
Lens unit 112
Camera exposure value signal 302
Camera exposure value signal and backlight illumination signal synopsis 304
Backlight illumination signal 306
Step S02～10
Detailed description of the invention
Structural principle and operation principle to the present invention are described in detail below in conjunction with the accompanying drawings:
Refer to Fig. 1, it is the embodiment block diagram of back light adjusting system of the present invention.One backlight adjusts
System 10 be applicable to a backlight module 20 with provide a display (not shown, such as intelligent mobile phone or pen
The liquid crystal display of note type computer) back light；This back light adjusting system 10 comprises a microcontroller list
Unit's 102, one camera exposure value sensing unit 104, backlight module driver element 106 and mnemon
108。
This camera exposure value sensing unit 104 is electrically connected to this micro-control unit 102；This backlight module drives
Moving cell 106 is electrically connected to this micro-control unit 102 and this backlight module 20；This mnemon 108
It is electrically connected to this micro-control unit 102.
This backlight module driver element 106 is in order to drive this backlight module 20；This mnemon 108 in order to
Store the signal synopsis 304 of a camera exposure value and backlight illumination.
When after this camera exposure value sensing unit 104 induced environment light source, transmit a camera exposure value signal
302 to this micro-control unit 102；This micro-control unit 102 is according to this camera exposure value and backlight illumination
Signal synopsis 304 transmit to should a backlight illumination signal 306 of camera exposure value signal 302 to this back of the body
Optical module driver element 106 is to drive and to control the brightness of this backlight module 20.
Refer to Fig. 4, it is a camera exposure value enforcement with the signal synopsis of backlight illumination of the present invention
Example comparison form.Such as when environment light source is brighter, the grade of this camera exposure value signal 302 is for example,
14, corresponding backlight can be found bright when correspondence to this camera exposure value is with the signal synopsis 304 of backlight illumination
Degree signal 306 is dark 30cd/m2, thereby when environment light source is brighter, this backlight module 20 can drop
Low-light level shows, is conserved power supply and allows user acquisition preferably browse brightness.
The most such as when environment light source is moderate, the grade of this camera exposure value signal 302 for example, 5, corresponding
To this camera exposure value with the signal synopsis 304 of backlight illumination time this corresponding backlight illumination can be found to believe
Numbers 306 is moderate 120cd/m2, thereby when environment light source is moderate, this backlight module 20 brightness shows
Also it is moderate, allows user obtain and preferably browse brightness.
The most such as when environment light source is dark, the grade for example,-4 of this camera exposure value signal 302, corresponding
To this camera exposure value with the signal synopsis 304 of backlight illumination time this corresponding backlight illumination can be found to believe
Numbers 306 is brighter 210cd/m2, thereby when environment light source is dark, this backlight module 20 will improve bright
Degree display, allows user obtain and preferably browses brightness.
This micro-control unit 102 can be such as one operating system (operating system)；This mnemon
108 can be such as one memory body.
Refer to Fig. 2, it is another embodiment block diagram of back light adjusting system of the present invention.The present embodiment
Different from Fig. 1 it is, also comprises a camera model 110；This camera model 110 comprises a camera exposure value
Sensing unit 104, one lens unit 112 and other be existing camera components (not shown).This camera
Module 110 is electrically connected to this micro-control unit 102；This lens unit 112 is relative to this camera exposure value
Sensing unit 104 is arranged.The present embodiment repeats no more with the place of Fig. 1 identical content.
Refer to Fig. 3, it is the backlight adjusting method flow chart of the present invention.The backlight adjusting method of the present invention
It is applied to a backlight module to provide a display (liquid crystal of such as intelligent mobile phone or mobile computer
Show device) back light；This backlight adjusting method comprises the steps of
After one camera exposure value sensing units sense environment light source of S02: one camera model, transmit a phase
Machine exposure value signal is to a micro-control unit.Subsequently enter step S04.
S04: this camera exposure value signal is the most correct？If mistake (such as this camera model is not yet turned on),
Then enter step S06；If correct, then enter step S08.
S06: this micro-control unit opens this camera model.It is subsequently returning to step S02.
S08: this micro-control unit transmits corresponding according to a camera exposure value with the signal synopsis of backlight illumination
One backlight illumination signal of this camera exposure value signal is to a backlight module driver element.Subsequently enter step
S10。
S10: this backlight module drive unit drives also controls the brightness of this backlight module.
By back light adjusting system and the method for the present invention, aforementioned camera model (or camera exposure value sensing is single
Unit) then need not be held open state for a long time, use and can save power supply；That is, when user needs to adjust
During the brightness of backlight module, micro-control unit just opens camera model.
The back light adjusting system of the present invention and effect of method are that the exposure value utilizing camera model adjusts the back of the body
The backlight illumination of optical module, and can save and the optical inductor element of backlight module is set (that is, need not the back of the body
The optical inductor of optical module).
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art work as can make various corresponding change and deformation according to the present invention, but
These change accordingly and deform the protection domain that all should belong to appended claims of the invention.
Claims (9)
1. a back light adjusting system a, it is adaptable to backlight module, it is characterised in that this backlight adjusts system
System comprises:
One micro-control unit；
One camera exposure value sensing unit, is electrically connected to this micro-control unit；
One backlight module driver element, is electrically connected to this micro-control unit and this backlight module, in order to drive
This backlight module；And
One mnemon, is electrically connected to this micro-control unit, bright with backlight in order to store a camera exposure value
The signal synopsis of degree,
Wherein, when after this camera exposure value sensing units sense environment light source, a camera exposure value signal is transmitted
To this micro-control unit；If a camera model with this camera exposure value sensing unit is not yet turned on causing
This camera exposure value signal error, then this micro-control unit opens this camera model；If this camera exposure value
Signal is correct, then this micro-control unit is right according to this camera exposure value and the transmission of the signal synopsis of backlight illumination
Should camera exposure value signal a backlight illumination signal to this backlight module driver element with drive and control
The brightness of this backlight module；This camera exposure value sensing unit is non-to be held open state for a long time, works as needs
When adjusting the brightness of this backlight module, this micro-control unit just opens this camera exposure value sensing unit.
Back light adjusting system the most according to claim 1, it is characterised in that this micro-control unit is
One operating system, this mnemon is a memory body.
3. a back light adjusting system a, it is adaptable to backlight module, it is characterised in that this backlight adjusts system
System comprises:
One micro-control unit；
One camera model, has a camera exposure value sensing unit, is electrically connected to this micro-control unit；
One backlight module driver element, is electrically connected to this micro-control unit and this backlight module, in order to drive
This backlight module；And
One mnemon, is electrically connected to this micro-control unit, in order to store a camera exposure value and backlight
The signal synopsis of brightness,
Wherein, when after this camera exposure value sensing units sense environment light source, a camera exposure value signal is transmitted
To this micro-control unit；If this camera model is not yet turned on causing this camera exposure value signal error, then should
Micro-control unit opens this camera model；If this camera exposure value signal is correct, then this micro-control unit depends on
Transmit should the back of the body of camera exposure value signal according to the signal synopsis of this camera exposure value and backlight illumination
Brightness signal to this backlight module driver element to drive and to control the brightness of this backlight module；This camera exposes
Light value sensing unit is non-to be held open state for a long time, when needing the brightness adjusting this backlight module, and should
Micro-control unit just opens this camera exposure value sensing unit.
Back light adjusting system the most according to claim 3, it is characterised in that this camera model also comprises
One lens unit, is arranged relative to this camera exposure value sensing unit.
Back light adjusting system the most according to claim 4, it is characterised in that this micro-control unit is one
Operating system, this mnemon is a memory body.
Back light adjusting system the most according to claim 5, it is characterised in that this camera model is a net
Network camera.
7. a backlight adjusting method a, it is adaptable to backlight module, it is characterised in that this backlight adjustment side
Method comprises:
A., after a camera exposure value sensing units sense environment light source of a camera model, a camera is transmitted
Exposure value signal is to a micro-control unit；
If a1. this camera model is not yet turned on causing this camera exposure value signal error, then this microcontroller list
This camera model is opened by unit；
If b. this camera exposure value signal is correct, then this micro-control unit is according to a camera exposure value and the back of the body
The signal synopsis of brightness transmit to should a backlight illumination signal of camera exposure value signal to a backlight
Module drive unit；And
C. this backlight module drive unit drives control the brightness of this backlight module,
Wherein, this camera exposure value is stored in a mnemon with the signal synopsis of backlight illumination；This camera
Exposure value sensing unit is non-to be held open state for a long time, when needing the brightness adjusting this backlight module,
This micro-control unit just opens this camera exposure value sensing unit.
Backlight adjusting method the most according to claim 7, it is characterised in that this camera model is a net
Network camera, this camera model also comprises a lens unit.
Backlight adjusting method the most according to claim 8, it is characterised in that this micro-control unit is one
Operating system, this mnemon is a memory body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113619.4A CN103377621B (en) | 2012-04-18 | 2012-04-18 | Back light adjusting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113619.4A CN103377621B (en) | 2012-04-18 | 2012-04-18 | Back light adjusting system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103377621A CN103377621A (en) | 2013-10-30 |
| CN103377621B true CN103377621B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210113619.4A Expired - Fee Related CN103377621B (en) | 2012-04-18 | 2012-04-18 | Back light adjusting system and method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104601808A (en) * | 2014-12-30 | 2015-05-06 | 西安乾易企业管理咨询有限公司 | Method for automatically adjusting screen luminance by detecting environment light through mobile phone camera |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079238A (en) * | 2006-05-22 | 2007-11-28 | 明基电通股份有限公司 | Hand-held electronic device for automatically regulating backlight brightness and backlight brightness regulation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6816676B2 (en) * | 2002-04-19 | 2004-11-09 | Hewlett-Packard Development Company, L.P. | Adaptive control of LCD display utilizing imaging sensor measurements |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079238A (en) * | 2006-05-22 | 2007-11-28 | 明基电通股份有限公司 | Hand-held electronic device for automatically regulating backlight brightness and backlight brightness regulation method |
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| CN103377621A (en) | 2013-10-30 |
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Granted publication date: 20160817 Termination date: 20170418 |