CN102955326A - Electronic device for providing adjustable supplementary lighting - Google Patents
Electronic device for providing adjustable supplementary lighting Download PDFInfo
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- CN102955326A CN102955326A CN2011102472003A CN201110247200A CN102955326A CN 102955326 A CN102955326 A CN 102955326A CN 2011102472003 A CN2011102472003 A CN 2011102472003A CN 201110247200 A CN201110247200 A CN 201110247200A CN 102955326 A CN102955326 A CN 102955326A
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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
Affiliated technical field
The present invention relates to a kind of electronic installation that adjustable light filling is provided, relate in particular to a kind of electronic installation that utilizes simultaneously multiple light-emitting diode component that adjustable light filling is provided.
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 taking photograph and video clip mostly, therefore also often is treated as digital camera/video camera and uses.
In the process of photography or photograph, if the natural light brightness of surrounding environment is not enough, then need 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 approaches the natural light about 5500 ° of K～6000 ° K, therefore is widely used on the Special digital camera.Yet the xenon flash lamp cost is higher, and the required high power consumption of its charging flash of light also can significantly shorten the stand-by time of portable electronic devices.
By contrast, therefore the advantages such as that the white light emitting diode light compensating lamp has is easy to manufacture, the life-span long, high opto-electronic conversion usefulness and low power consumption are particularly suitable for being applied on the portable electronic devices.In the prior art, the white light emitting diode light compensating lamp that is applied on the portable electronic devices is to adopt the low light Wavelength design, provide white light source by blue light-emitting diode assembly collocation yellow fluorescent powder with light mixing way, therefore a little less than the performance aspect red and green.Carrying out light filling when taking pictures or photographing, object is easily partially white, affects whole picture color performance.On the other hand, white light emitting diode light compensating lamp of the prior art only can provide the fixedly artificial light sources of colour temperature, and can't allow the user comply with it to like the colour temperature of coming the Self-adjustment 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 is used for providing light when this photographing module operation, and 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 one second drive current of a control signal with one first drive current that produces this first light source and this secondary light source;
One controller is used for producing this control signal according to the corresponding light filling pattern of a user instruction; And
One user interface is used for receiving this user instruction.
Compared with prior art, advantage of the present invention is:
Electronic installation among the present invention can provide adjustable multi color temperature light filling function under image pickup mode, allow the user comply with it and like the colour temperature of coming the Self-adjustment light compensating lamp, and the picture that therefore photographs under varying environment can both reach the effect that the user wants.On the other hand, the multi color temperature light compensating lamp of electronic installation adopts red-light LED assembly, blue-ray LED assembly and green light LED assembly among the present invention, and energy consumption is less, and possesses the luminous ability of continuing.
Description of drawings
Fig. 1 is the functional block diagram of the electronic installation of the adjustable light filling camera function of a kind of tool among the present invention.
Fig. 2 is the schematic diagram of electronic installation in the embodiment of the invention.
Fig. 3 A and Fig. 3 B choose the schematic diagram that electronic installation of the present invention after the self-defined pattern shows the advanced menu mode.
The 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-ray LED assembly
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 among the present invention.Electronic installation 100 comprises power supply supply 10, one photographing module 20, a multi color temperature light compensating lamp 30, one drive circuit 40, a controller 50, a storage element 60, and a user interface 70.
Photographing module 20 can comprise the assemblies such as camera lens, CCD/CMOS photosensory assembly, internal memory and processor, can be used to take photograph or video clip after electronic installation 100 enters image pickup mode.
Multi color temperature light compensating lamp 30 can comprise a ruddiness module 22, a green module 24 and a blue module 26: ruddiness module 22 can comprise a plurality of red-light LED assembly R, is used to provide wavelength coverage approximately between the light of 600～780nm; Green module 24 can comprise a plurality of green light LED assembly G, is used to provide wavelength coverage approximately between the light of 500～600nm; Blue module 26 can comprise a plurality of blue-ray LED assembly B, is used to provide wavelength coverage approximately between the light of 380～500nm.
(1) sunlight pattern: or claim the high color temperature pattern, corresponding to the defined D65 light source of standard sources, 6500 ° of K of colour temperature, chromaticity coordinates (0.31,0.33);
(2) indoor mode: or colour temperature pattern in claiming, corresponding to the defined CWF light source of standard sources, 4000 ° of K of colour temperature, chromaticity coordinates (0.38,0.38);
(3) Night: or claim low colour temperature pattern, corresponding to the defined A light source of standard sources, 3000 ° of K of colour temperature, chromaticity coordinates (0.4,0.435); And
(4) self-defined pattern: can decide colour temperature in its sole discretion by the user.
When the user selected in sunlight patterns, indoor mode or the Night a specific light filling pattern by user interface 70, controller 50 can be controlled driving circuit 40 according to the corresponding setting of storage element 60 internal memories, by adjusting drive current I
R, I
G, I
BValue so that the light that multi color temperature light compensating lamp 30 provides can possess the colour temperature corresponding to selected light filling pattern.
When the user selected self-defined pattern and inputs specific settings by user interface 70, controller 50 can be controlled driving circuit 40 according to specific settings, sees through to adjust drive current I
R, I
G, I
BValue so that the light that multi color temperature light compensating lamp 30 provides can possess the colour temperature corresponding to self-defined pattern.
Fig. 2 is the schematic diagram of electronic installation 100 in the embodiment of the invention.Fig. 2 has shown casing 90 outward appearances of electronic installation 100, and wherein the lamp hole of the preposition camera lens of photographing module 20, multi color temperature light compensating lamp 30 and user interface 70 can be arranged on casing 90 fronts.Power supply supply 10, driving circuit 40, controller 50 and storage element 60 can be arranged on casing 90 inside, therefore are not shown among Fig. 2.
Near the preposition 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 a touch/non-touch control 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 be listed selectable default light filling pattern with menu mode on screen 42, and the user can directly select by touch control manner, or chooses specific light filling pattern by input media 44.
If the user chooses the systemic presupposition patterns such as sunlight pattern, indoor mode or Night, electronic installation 100 can directly be applied mechanically the corresponding setting of storage element 60 internal memories; If the user chooses self-defined pattern, electronic installation 100 can show an advanced menu in addition on screen 42, to allow the voluntarily parameter such as input color temperature or chromaticity coordinates of user.
Fig. 3 A and Fig. 3 B choose the schematic diagram that shows the advanced menu mode after the self-defined pattern.In the embodiment shown in Fig. 3 A, electronic installation 100 can allow the user input or adjust the value of chromaticity coordinates at screen 42.In the embodiment shown in Fig. 3 B, electronic installation 100 can show an XYZ chromaticity diagram at screen 42.XYZ chromaticity diagram is that (the color coordinate system that CommissionInternationale de l ' clairage) formulates represents redness, green and blue ray shared ratio in the color of certain pixel by trichromatic coefficient (trichromaticcoefficient) ER, EG and EB in international lighting association.The summation of ER, EG and EB is 1, and as transverse axis, EG is the longitudinal axis to XYZ chromaticity diagram with ER, can represent the formed color space of red green blue tricolor.In XYZ chromaticity diagram, what be positioned at three summits is the Red Green Blue of chroma maximum, and middle body is the white of chroma minimum.The user can by shown arrow cursor on the moving screen 42, come to select in XYZ chromaticity diagram the setting of self-defined pattern.Simultaneously, screen 42 also can show (1) sunlight pattern, (2) indoor mode and (3) Night at the opposite position of XYZ chromaticity diagram with for reference.
In the present invention, electronic installation 100 can be in the default light filling pattern that shows by different way on the user interface 70 under the image pickup mode, the 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 are embodiments of the invention only, not delimit the scope of the invention.
The above only is preferred embodiment of the present invention, and all claim is made according to the present invention equal variation and modification all should belong to covering scope of the present invention.
Claims (8)
1. electronic installation that adjustable light filling is provided, it comprises:
One photographing module is used for filmed image;
One multi color temperature light compensating lamp is used for providing light when this photographing module operation, and it comprises: one first light source, be 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 one second drive current of a control signal with one first drive current that produces this first light source and this secondary light source;
One controller is used for producing this control signal according to the corresponding light filling pattern of a user instruction; And
One user interface is used for receiving this user instruction.
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 comprises one the 3rd light source in addition, be used to provide the light of wavelength in one the 3rd preset range, wherein this first preset range to the 3rd preset range respectively be 380～500nm, 500～600nm and 600～780nm one of them.
5. electronic installation as claimed in claim 4 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.
6. electronic installation as claimed in claim 1 is characterized in that, also comprises a storage element, is used for storing a setting corresponding to this light filling pattern.
7. electronic installation as claimed in claim 6 is characterized in that, this setting provides a predetermined colour temperature of light lower of this light filling pattern corresponding to this multi color temperature light compensating lamp.
8. electronic installation as claimed in claim 7 is characterized in that, this multichannel driving circuit is set the value of adjusting respectively this first drive current and this second drive current according to this.
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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| CN102955326A true CN102955326A (en) | 2013-03-06 |
| CN102955326B CN102955326B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110247200.3A Active CN102955326B (en) | 2011-08-25 | 2011-08-25 | Electronic device for providing adjustable supplementary lighting |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2017071253A1 (en) * | 2015-10-28 | 2017-05-04 | 乐视控股（北京）有限公司 | Display device |
| WO2017185870A1 (en) * | 2016-04-29 | 2017-11-02 | 努比亚技术有限公司 | Light supplement apparatus and method for photographing, and storage medium |
| 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 |
| CN107809595A (en) * | 2017-11-14 | 2018-03-16 | 李春莲 | Mobile intelligent helps shooting system |
| CN107911585A (en) * | 2017-11-28 | 2018-04-13 | 维沃移动通信有限公司 | Image processing method and device, the mobile terminal of a kind of mobile terminal |
| CN108156389A (en) * | 2017-11-14 | 2018-06-12 | 李春莲 | Mobile intelligent helps shooting method |
| WO2018107752A1 (en) * | 2016-12-15 | 2018-06-21 | 北京小米移动软件有限公司 | Screen luminance control method and device |
| 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 |
| CN111182228A (en) * | 2019-12-06 | 2020-05-19 | 广东小天才科技有限公司 | Light supplement control method and intelligent loudspeaker box |
| CN111917990A (en) * | 2019-05-08 | 2020-11-10 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN112243306A (en) * | 2019-07-19 | 2021-01-19 | 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 |
| CN112444963A (en) * | 2019-08-30 | 2021-03-05 | 成都理想境界科技有限公司 | Light source driving circuit and display module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2017071253A1 (en) * | 2015-10-28 | 2017-05-04 | 乐视控股（北京）有限公司 | Display device |
| WO2017185870A1 (en) * | 2016-04-29 | 2017-11-02 | 努比亚技术有限公司 | Light supplement apparatus and method for photographing, and storage medium |
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| CN108156389A (en) * | 2017-11-14 | 2018-06-12 | 李春莲 | Mobile intelligent helps shooting method |
| CN107809595B (en) * | 2017-11-14 | 2018-07-20 | 数海信息技术有限公司 | Mobile intelligent helps shooting system |
| CN107809595A (en) * | 2017-11-14 | 2018-03-16 | 李春莲 | Mobile intelligent helps shooting system |
| 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 |
| CN107911585A (en) * | 2017-11-28 | 2018-04-13 | 维沃移动通信有限公司 | Image processing method and device, the mobile terminal of a kind of 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 |
| CN111917990A (en) * | 2019-05-08 | 2020-11-10 | 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 |
| CN112243306A (en) * | 2019-07-19 | 2021-01-19 | 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 |
| 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 |
| CN112444963A (en) * | 2019-08-30 | 2021-03-05 | 成都理想境界科技有限公司 | Light source driving circuit and display module |
| CN111182228A (en) * | 2019-12-06 | 2020-05-19 | 广东小天才科技有限公司 | Light supplement control method and intelligent loudspeaker box |
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