CN102955326B - Electronic device for providing adjustable supplementary lighting - Google Patents
Electronic device for providing adjustable supplementary lighting Download PDFInfo
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- CN102955326B CN102955326B CN201110247200.3A CN201110247200A CN102955326B CN 102955326 B CN102955326 B CN 102955326B CN 201110247200 A CN201110247200 A CN 201110247200A CN 102955326 B CN102955326 B CN 102955326B
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Abstract
The invention relates to an electronic device for providing adjustable supplementary lighting. The electronic device comprises a camera module, a multi-color-temperature supplementary light, a multi-channel driving circuit, a controller and a user interface. The multi-color-temperature supplementary light comprises a red light emitting diode assembly, a green light emitting diode assembly and a blue light emitting diode assembly. When a user selects a supplementary lighting mode via the user interface, the controller drives the multi-channel driving circuit to respectively adjust driving current of the red light emitting diode assembly, driving current of the green light emitting diode assembly and driving current of the blue light emitting diode assembly according to the supplementary lighting mode, and accordingly light rays provided by the multi-color-temperature supplementary light can have the color temperature corresponding to the supplementary lighting mode.
Description
Art
The present invention relates to a kind of electronic installation that adjustable light filling is provided, particularly relate to and a kind ofly utilize multiple light-emitting diode component to provide the electronic installation of adjustable light filling simultaneously.
Background technology
Along with development in science and technology, the function of the portable electronic devices such as intelligent mobile phone, personal digital assistant (personal digital assistant, PDA), notebook computer or flat computer is more and more diversified.No matter the major function of all types of portable electronic devices why, it provides the camera function of shooting photograph and video clip mostly, therefore also is often treated as digital camera/video camera to use.
In the process of photographing or take a picture, if the natural light brightness of surrounding environment is not enough, then need to utilize auxiliary artificial light sources to improve image effect.Possess in the portable electronic devices of camera function, xenon flash lamp (xenon flash lamp) and white light emitting diode (light emitting diode, LED) light compensating lamp are modal auxiliary artificial light sources.Xenon flash lamp can provide the line source of high luminosity, and its colour temperature, close to the natural light about 5500 ° of K ~ 6000 ° K, is therefore widely used on Special digital camera.But xenon flash lamp cost is higher, its high power consumption charged needed for flash of light also significantly can shorten the stand-by time of portable electronic devices.
By contrast, white light emitting diode light compensating lamp has the advantages such as easy to manufacture, life-span long, high opto-electronic conversion usefulness and low power consumption, is therefore particularly suitable for being applied on portable electronic devices.In the prior art, the white light emitting diode light compensating lamp be applied on portable electronic devices adopts low light Wavelength design, there is provided white light source by blue light-emitting diode assembly yellow fluorescent powder of arranging in pairs or groups with light mixing way, the performance therefore in red and green is more weak.When carrying out light filling and taking pictures or photograph, object is easily partially white, affects the performance of overall picture color.On the other hand, white light emitting diode light compensating lamp of the prior art only can provide the artificial light sources of fixing colour temperature, and user cannot be allowed to comply with the colour temperature of its hobby from Row sum-equal matrix light compensating lamp.
Summary of the invention
The object of the present invention is to provide a kind of electronic installation that adjustable light filling is provided.
The electronic installation that adjustable light filling is provided of the present invention, it comprises:
One photographing module, is used for filmed image;
One multi color temperature light compensating lamp, be used for providing light when this photographing module runs, it comprises one first light source, is used to provide the light of wavelength in one first preset range; And a secondary light source, be used to provide the light of wavelength in one second preset range;
One multichannel driving circuit, is used for according to a control signal with one second drive current of one first drive current He this secondary light source that produce this first light source;
One controller, is used for according to the light filling pattern corresponding to a user instruction to produce this control signal; And
One user interface, is used for receiving this user instruction.
Compared with prior art, advantage of the present invention is:
Electronic installation in the present invention can provide adjustable multi color temperature light filling function under image pickup mode, and allow user comply with the colour temperature of its hobby from Row sum-equal matrix light compensating lamp, the picture therefore photographed under various circumstances can reach the effect that user wants.On the other hand, in the present invention, the multi color temperature light compensating lamp of electronic installation adopts red-light LED assembly, blue light LED assemblies and green light LED assembly, and energy ezpenditure is less, and possesses the ability of continuous illumination.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the electronic installation of the adjustable light filling camera function of a kind of tool in the present invention.
Fig. 2 is the schematic diagram of electronic installation in the embodiment of the present invention.
Fig. 3 A and Fig. 3 B is the schematic diagram of electronic installation display advanced menu mode of the present invention after choosing self-defined pattern.
Primary clustering symbol description:
10 power supply supplies
20 photographing modules
22 ruddiness modules
24 green module
26 blue module
30 multi color temperature light compensating lamps
40 driving circuits
42 screens
44 input medias
50 controllers
60 storage elements
70 user interfaces
90 casings
100 electronic installations
R red-light LED assembly
G green light LED assembly
B blue light LED assemblies
Embodiment
Fig. 1 is the functional block diagram of the electronic installation 100 of the adjustable light filling camera function of a kind of tool in the present invention.Electronic installation 100 comprises power supply supply 10, one photographing module 20, multi color temperature light compensating lamp 30, one drive circuit 40, controller 50, storage element 60, and a user interface 70.
Power supply supply 10 can be built-in battery, internal battery, or is provided by outside civil power, voltage required when being used for supplying each assembly operating in electronic installation 100.
Photographing module 20 can comprise the assemblies such as camera lens, CCD/CMOS photosensory assembly, internal memory and processor, can be used to shooting photograph or video clip after electronic installation 100 enters image pickup mode.
Multi color temperature light compensating lamp 30 can comprise ruddiness module 22, green module 24 and a blue module 26: ruddiness module 22 can comprise multiple red-light LED assembly R, is used to provide wavelength coverage approximately between the light of 600 ~ 780nm; Green module 24 can comprise multiple green light LED assembly G, is used to provide wavelength coverage approximately between the light of 500 ~ 600nm; Blue module 26 can comprise multiple blue light LED assemblies B, is used to provide wavelength coverage approximately between the light of 380 ~ 500nm.
Driving circuit 40 adopts multichannel design to drive multi color temperature light compensating lamp 30, and the control signal CTL that can transmit according to controller 50 provides ruddiness module 22 to run required drive current I respectively
r, green module 24 runs required drive current I
g, and blue module 26 runs required drive current I
b.
Storage element 60 internal memory electronic installation 100 is various default light filling pattern under image pickup mode, such as:
(1) sunlight pattern: or claim high color temperature pattern, corresponding to the D65 light source that standard sources defines, colour temperature 6500 ° of K, chromaticity coordinates (0.31,0.33);
(2) indoor mode: or color temperature mode in claiming, corresponding to the CWF light source that standard sources defines, colour temperature 4000 ° of K, chromaticity coordinates (0.38,0.38);
(3) Night: or claim low color temperature mode, corresponding to the A light source that standard sources defines, colour temperature 3000 ° of K, chromaticity coordinates (0.4,0.435); And
(4) self-defined pattern: colour temperature can be decided in its sole discretion by user.
When user selects a specific light filling pattern in sunlight pattern, indoor mode or Night by user interface 70, controller 50 can control driving circuit 40 according to the corresponding setting of storage element 60 internal memory, by adjustment drive current I
r, I
g, I
bvalue light that multi color temperature light compensating lamp 30 is provided can possess the colour temperature corresponding to selected light filling pattern.
When user is selected self-defined pattern by user interface 70 and inputted specific settings, controller 50 can control driving circuit 40 according to specific settings, through adjustment drive current I
r, I
g, I
bvalue light that multi color temperature light compensating lamp 30 is provided can possess colour temperature corresponding to self-defined pattern.
Fig. 2 is the schematic diagram of electronic installation 100 in the embodiment of the present invention.Fig. 2 shows casing 90 outward appearance of electronic installation 100, and wherein the Front camera camera lens of photographing module 20, the lamp hole of multi color temperature light compensating lamp 30 and user interface 70 can be arranged on casing 90 front.It is inner that power supply supply 10, driving circuit 40, controller 50 and storage element 60 can be arranged on casing 90, is not therefore shown in Fig. 2.
Near the Front camera camera lens of photographing module 20 and the lamp hole of multi color temperature light compensating lamp 30 are located at usually, to reach better light filling effect.User interface 70 can be a graphical user interface (graphic user interface, GUI), it comprises one touch/non-touch screen 42 and an input media 44 (special function keys, numerical key, letter key or directionkeys etc.), or only comprises a touch control screen 42.
In the embodiment shown in Figure 2, under image pickup mode, electronic installation 100 can list selectable default light filling pattern with menu mode on screen 42, and user can directly select by touch control manner, or chooses specific light filling pattern by input media 44.
If user chooses the systemic presupposition patterns such as sunlight pattern, indoor mode or Night, electronic installation 100 directly can apply mechanically the corresponding setting of storage element 60 internal memory; If user chooses self-defined pattern, electronic installation 100 separately can show an advanced menu on screen 42, to allow user's parameter such as input color temperature or chromaticity coordinates voluntarily.
Fig. 3 A and Fig. 3 B is the schematic diagram showing advanced menu mode after choosing self-defined pattern.In the embodiment as shown in fig. 3 a, electronic installation 100 can allow user input on screen 42 or adjust the value of chromaticity coordinates.In the embodiment shown in figure 3b, electronic installation 100 can show a CIE chromaticity diagram at screen 42.The color coordinate system that CIE chromaticity diagram is formulated for international lighting association (CommissionInternationale de l ' clairage), represents red, green and that blue ray is shared in the color of certain pixel ratio by trichromatic coefficient (trichromaticcoefficient) ER, EG and EB.The summation of ER, EG and EB is 1, and CIE chromaticity diagram is using ER as transverse axis, and EG is the longitudinal axis, can represent the color space that red green blue tricolor is formed.In CIE chromaticity diagram, what be positioned at three summits is the maximum Red Green Blue of chroma, and the middle body white that to be chroma minimum.User, by arrow cursor shown on moving screen 42, CIE chromaticity diagram is selected the setting of self-defined pattern.Meanwhile, screen 42 also can show (1) sunlight pattern, (2) indoor mode and (3) Night opposite position in CIE chromaticity diagram with for reference.
In the present invention, electronic installation 100 can show the default light filling pattern under image pickup mode by different way on user interface 70, user can touch control manner or by special function keys, numerical key, letter key or directionkeys etc., selects a specific light filling pattern or inputs the setting of self-defined pattern.Fig. 2, Fig. 3 A and Fig. 3 B is only embodiments of the invention, not delimit the scope of the invention.
Electronic installation 100 of the present invention can provide adjustable multi color temperature light filling function under image pickup mode, and allow user comply with the colour temperature of its hobby from Row sum-equal matrix light compensating lamp, the picture therefore photographed under various circumstances can reach the effect that user wants.On the other hand, the multi color temperature light compensating lamp 30 of electronic installation 100 of the present invention adopts red-light LED assembly, blue light LED assemblies and green light LED assembly, and energy ezpenditure is less, and possesses the ability of continuous illumination.In one application, the multi color temperature light compensating lamp 30 of electronic installation 100 of the present invention also can be used as electric torch or reading lamp; In another kind application, in the present invention, electronic installation 100 can show the real-time imaging of user under image pickup mode on user interface 70, that is provides mirror function, and now multi color temperature light compensating lamp 30 can be used as lamp of refining the make-up.
The foregoing is only preferred embodiment of the present invention, all equal changes of making according to the claims in the present invention and amendment, all should belong to covering scope of the present invention.
Claims (5)
1. provide an electronic installation for adjustable light filling, it comprises:
One photographing module, is used for filmed image;
One multi color temperature light compensating lamp, be used for providing light when this photographing module runs, it comprises: one first light source, is used to provide the light of wavelength in one first preset range, and a secondary light source, is used to provide the light of wavelength in one second preset range;
One multichannel driving circuit, is used for according to a control signal with one second drive current of one first drive current He this secondary light source that produce this first light source;
One controller, is used for according to the light filling pattern corresponding to a user instruction to produce this control signal; And
One user interface, is used for receiving this user instruction;
One storage element, be used for storing the setting corresponding to this light filling pattern, this setting correspond to this multi color temperature light compensating lamp under this light filling pattern light predetermined colour temperature is provided, this light filling pattern comprises: sunlight pattern, indoor mode, Night and self-defined pattern;
When user selects a specific light filling pattern in sunlight pattern, indoor mode or Night by user interface, controller controls driving circuit according to the corresponding setting of storage element internal memory, and light multi color temperature light compensating lamp being provided by the value adjusting drive current can possess the colour temperature corresponding to selected light filling pattern;
When user is selected self-defined pattern by user interface and is inputted specific settings, controller controls driving circuit according to specific settings, and the light that the value through adjustment drive current makes multi color temperature light compensating lamp provide can possess the colour temperature corresponding to self-defined pattern.
2. electronic installation as claimed in claim 1, is characterized in that, this first preset range and the second preset range be 380 ~ 500nm, 500 ~ 600nm and 600 ~ 780nm wherein two.
3. electronic installation as claimed in claim 1, it is characterized in that, this first light source comprises a first kind light-emitting diode component, this secondary light source comprises a Second Type light-emitting diode component, and this first kind light-emitting diode component and this Second Type light-emitting diode component be a red light-emitting diode assembly, a green light LED assembly and a blue light-emitting diode assembly wherein two.
4. electronic installation as claimed in claim 1, it is characterized in that, this multi color temperature light compensating lamp separately comprises one the 3rd light source, be used to provide the light of wavelength in one the 3rd preset range, wherein this first preset range to the 3rd preset range be respectively 380 ~ 500nm, 500 ~ 600nm and 600 ~ 780nm one of them.
5. electronic installation as claimed in claim 4, it is characterized in that, this first light source comprises a red light-emitting diode assembly, and this secondary light source comprises a green light LED assembly, and the 3rd light source comprises a blue light-emitting diode assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247200.3A CN102955326B (en) | 2011-08-25 | 2011-08-25 | Electronic device for providing adjustable supplementary lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247200.3A CN102955326B (en) | 2011-08-25 | 2011-08-25 | Electronic device for providing adjustable supplementary lighting |
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| Publication Number | Publication Date |
|---|---|
| CN102955326A CN102955326A (en) | 2013-03-06 |
| CN102955326B true CN102955326B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110247200.3A Active CN102955326B (en) | 2011-08-25 | 2011-08-25 | Electronic device for providing adjustable supplementary lighting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104506772A (en) * | 2014-12-22 | 2015-04-08 | 小米科技有限责任公司 | Method and device for regulating shooting parameters |
| CN205122104U (en) * | 2015-10-28 | 2016-03-30 | 乐视移动智能信息技术（北京）有限公司 | Display device |
| CN105791711A (en) * | 2016-04-29 | 2016-07-20 | 努比亚技术有限公司 | Shooting light supplement apparatus and method thereof |
| CN106454142A (en) * | 2016-07-26 | 2017-02-22 | 深圳市沃特沃德股份有限公司 | Light filling apparatus and self-timer lever |
| CN106604010A (en) * | 2016-12-15 | 2017-04-26 | 北京小米移动软件有限公司 | Method and device for controlling lighting of screen |
| CN107395999A (en) * | 2017-09-11 | 2017-11-24 | 厦门美图移动科技有限公司 | Light supplementing method and device and mobile terminal |
| CN108924424B (en) * | 2017-11-14 | 2021-03-02 | 深圳市联代科技有限公司 | Photographing assisting system and mobile phone applying same |
| CN108156389B (en) * | 2017-11-14 | 2018-11-09 | 北京中恒驿站数码信息技术有限公司 | Mobile intelligent helps shooting method |
| CN107911585B (en) * | 2017-11-28 | 2020-06-09 | 维沃移动通信有限公司 | Image processing method and device of mobile terminal and mobile terminal |
| WO2020043141A1 (en) * | 2018-08-28 | 2020-03-05 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN111917990B (en) * | 2019-05-08 | 2022-02-01 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN112243306B (en) * | 2019-07-19 | 2023-03-14 | 致伸科技股份有限公司 | Color adjusting method of color light emitting element and input device with color adjusting function |
| CN112444963B (en) * | 2019-08-30 | 2023-04-07 | 成都理想境界科技有限公司 | Light source driving circuit and display module |
| CN111182228B (en) * | 2019-12-06 | 2021-07-23 | 广东小天才科技有限公司 | Light supplement control method and intelligent loudspeaker box |
| CN111288898A (en) * | 2020-03-31 | 2020-06-16 | 重庆新创科技股份有限公司 | Road marking measuring and detecting vehicle and measuring method thereof |
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| CN102955326A (en) | 2013-03-06 |
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