CN104735327A - Imaging device and method - Google Patents
Imaging device and method Download PDFInfo
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- CN104735327A CN104735327A CN201510164078.1A CN201510164078A CN104735327A CN 104735327 A CN104735327 A CN 104735327A CN 201510164078 A CN201510164078 A CN 201510164078A CN 104735327 A CN104735327 A CN 104735327A
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Abstract
The invention provides an imaging device and method. External light will not be filtered, so that the photovoltaic conversion efficiency relative to the external light is improved. The imaging method includes the steps the external light passes through a reserved micro lens and then generates transmission light which can improve the light sensitive efficiency; an electrical signal of a specific frequency band is generated according to the transmission light; an image is generated according to the electrical signal of the specific frequency band. The imaging device comprises the micro lens, a light sensitive unit and a processing unit, wherein the micro lens is used for making the external light generate the transmission light which can improve the light sensitive efficiency; the light sensitive unit is used for generating the electrical signal of the specific frequency band according to the transmission light generated by the micro lens; the processing unit is used for generating the image according to the electrical signal which is generated by the light sensitive unit and is of the specific frequency band.
Description
Technical field
The present invention relates to camera chip field, be specifically related to imaging device and formation method.
Background technology
In existing imaging technique, by the lenticule with filtering functions, exterior light is processed, thus generate the transmitted light after filtering.Then by photo-sensitive cell, opto-electronic conversion is carried out to the transmitted light after optical filtering, thus generate the signal of telecommunication.Then, coloured image is generated according to the signal of telecommunication generated by photo-sensitive cell.
As mentioned above, in the prior art, owing to filtering to exterior light in advance, thus the light of other frequency bands can be stopped, cause the weakened of the light inciding photo-sensitive cell (reducing roughly 15%).Thus, the photoelectric conversion efficiency relative to exterior light of photo-sensitive cell more than 85%, cannot cause the photosensitive area that cannot reduce photo-sensitive cell further.
Summary of the invention
The present invention completes in view of the above problems, and its object is to provides a kind of imaging device and formation method, can not filter to exterior light, thus improves the photoelectric conversion efficiency relative to exterior light.
According to an aspect of the present invention, a kind of imaging device is provided.Described imaging device comprises: lenticule, for exterior light being generated the transmitted light that can improve light receiving efficiency; Photosensitive unit, the transmitted light for generating according to described lenticule generates the signal of telecommunication of special frequency channel; Processing unit, for the signal of telecommunication synthetic image of special frequency channel generated according to described photosensitive unit.
As optionally, described lenticule adopts white lens.
Described photosensitive unit comprises further differentiates subelement and conversion subelement:
Differentiate subelement, for the different wave length according to described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color;
Conversion subelement, for generating the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color.
As optionally, described processing unit, is further used for processing the signal of telecommunication of described special frequency channel, generates the coloured image of a pixel.
According to a further aspect in the invention, a kind of formation method is provided.Described formation method comprises: by exterior light by generating the transmitted light that can improve light receiving efficiency after predetermined lenticule; The signal of telecommunication of special frequency channel is generated according to described transmitted light; According to the signal of telecommunication synthetic image of described special frequency channel.
Further, generate the signal of telecommunication of special frequency channel according to described transmitted light, comprising:
According to the different wave length of described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color;
The signal of telecommunication of the special frequency channel corresponding with described predetermined color is generated according to the color component of each predetermined color.
Further, according to the signal of telecommunication synthetic image of described special frequency channel, comprising:
The signal of telecommunication of described special frequency channel is processed, generates the coloured image of a pixel.
Image-forming apparatus according to the present invention and formation method, can not filter to exterior light, and the luminous intensity therefore inciding photosensitive unit increases relative to prior art, thus can improve the photoelectric conversion efficiency relative to exterior light.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the imaging device representing embodiments of the present invention.
Fig. 2 is the flow chart of the formation method representing embodiments of the present invention.
Fig. 3 represents lenticular structural representation in prior art, and wherein a is green, and b is blue.
Fig. 4 is predetermined lenticular structural representation in the imaging device representing embodiments of the present invention, and wherein a be green, and b is blueness.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.There is provided the description referring to accompanying drawing, to help the understanding to the example embodiment of the present invention limited by claim and equivalent thereof.It comprises the various details helping to understand, but they can only be counted as exemplary.Therefore, those skilled in the art will recognize that, can make various changes and modifications execution mode described herein, and do not depart from the scope of the present invention and spirit.And, in order to make specification clearly succinct, will the detailed description to well known function and structure be omitted.
Below, the imaging device of embodiments of the present invention is described with reference to Fig. 1.Fig. 1 is the functional block diagram of the imaging device representing embodiments of the present invention.
As shown in Figure 1, imaging device 1 comprises lenticule 11, photosensitive unit 12 and processing unit 13.Imaging device 1 shown in Fig. 1 is such as digital camera, first-class imaging device of making a video recording, in addition also can as the electronic equipment of module installation in such as mobile phone, notebook computer etc.
Exterior light is generated the transmitted light that can improve light receiving efficiency by lenticule 11.Particularly, lenticule 11 is arranged on the photo-sensitive cell of photosensitive unit 12 described later, thus exterior light incides each photo-sensitive cell via each lenticule 11.By arranging lenticule 11 on photo-sensitive cell, thus the photosensitive area of photo-sensitive cell be can't help the aperture area of photo-sensitive cell and is determined, but is determined by the surface area of lenticule 11.Therefore, the transmitted light that exterior light is formed after lenticule 11, relative to exterior light, light receiving efficiency improves.In other words, after being provided with lenticule, under the luminous intensity of same exterior light, photo-sensitive cell can produce the stronger signal of telecommunication, can improve image quality thus.
As shown in Figure 3, lenticule of the prior art is all coloured, and need colored filter to filter to exterior light, lenticule 11 has filtering functions, and lenticule 11 such as carries out the optical filtering of the frequency range residing for the optical filtering of the frequency range residing for the optical filtering of the frequency range residing for red light, green light or blue light to exterior light particularly.The light of other color corresponding wavelength except lenticular color can be stopped like this, cause the luminous intensity after lenticule transmission to weaken, thus the intensity of the light formed weakens about 15% relative to exterior light.The light of remitted its fury is incided photo-sensitive cell, and therefore photo-sensitive cell cannot bring up to more than 85% relative to the photoelectric conversion efficiency of exterior light.
In contrast, in embodiments of the present invention, as shown in Figure 4, lenticule 11 is made up of white lens, and removes colored filter, eliminates the filtering process to exterior light.Thus, the intensity inciding the light of photosensitive unit can not be weakened, and is generally more than 99%, thus can improve the photoelectric conversion efficiency of photo-sensitive cell relative to exterior light.
Photosensitive unit 12 generates the signal of telecommunication of special frequency channel according to the transmitted light that described lenticule generates.
Particularly, wherein special frequency channel refers to the frequency range corresponding to predetermined color, and predetermined color can be red light, green light and/or blue light, generates by transmitted light the signal of telecommunication that described in red, green and/or blue light, frequency range is corresponding.Such as, the transmitted light of gold is generated the signal of telecommunication of the frequency range composition of red corresponding frequency range and green correspondence.The transmitted light inciding photosensitive unit 12 has the wavelength of different colours, and therefore photosensitive unit 12 is according to the wavelength with different colours, generates the signal of telecommunication corresponding with the frequency range residing for predetermined color.Such as, photosensitive unit 12 generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light.
Such as, photosensitive unit 12 is made up of multiple photo-sensitive cell, and each photo-sensitive cell configures respectively to be responded to incident exterior light, generates the signal of telecommunication corresponding with the luminous intensity of predetermined color.Wherein, each photo-sensitive cell such as generates the signal of telecommunication corresponding with the frequency range residing for red light, the signal of telecommunication corresponding with the frequency range residing for green light or the signal of telecommunication corresponding with the frequency range residing for sodium yellow.Such as, photo-sensitive cell group is divided at the photo-sensitive cell of adjacent position configuration, the luminous intensity of photo-sensitive cell in photo-sensitive cell group to different frequency range is responded to, thus generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light respectively in photo-sensitive cell group.
Be preferably, photosensitive unit 12 comprises further: differentiate subelement, for the different wave length according to described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color; Conversion subelement, for generating the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color.
As mentioned above, the transmitted light inciding photosensitive unit 12 has the wavelength of different colours, therefore differentiates subelement and projection light can be differentiated into the light be made up of the color component of the color component of redness, green color component and/or blueness.Then, by changing subelement according to differentiated color component precedent in next life as the signal of telecommunication corresponding with the frequency range residing for red light, the signal of telecommunication corresponding with the frequency range residing for green light and the signal of telecommunication corresponding with the frequency range residing for sodium yellow.
As optionally, differentiate subelement and be such as made up of quantum film, the configuration of this quantum film absorbs incident transmitted light and launches the intermediate light of particular color.Wherein, to the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for red light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as red light.Similarly, to the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for green light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as green light, to the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for blue light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as blue light.
So, change subelement and the intermediate light of incident particular color is converted to the corresponding signal of telecommunication.Such as, in the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for red light to generation, the intermediate light as red light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the red light in exterior light.In the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for green light to generation, the intermediate light as green light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the green light in exterior light.In the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for blue light to generation, the intermediate light as blue light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the blue light in exterior light.
The signal of telecommunication synthetic image of the special frequency channel that processing unit 13 generates according to described photosensitive unit.Particularly, the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and/or with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light that processing unit 13 generates according to photosensitive unit 12, synthetic image.
Be preferably, the signal of telecommunication of processing unit to described special frequency channel processes, and generates the coloured image of a pixel.Particularly, in image procossing, according to the half-tone information of the half-tone information of red component, the half-tone information of green component and blue component, color and the brightness of this pixel can be determined.Therefore the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light that generate according to photosensitive unit 12 of processing unit 13, can reduce the color of exterior light and brightness, and then the color of each pixel and brightness can be carried out combining thus generating coloured image.
Such as, as mentioned above, photo-sensitive cell group is divided at the photo-sensitive cell of adjacent position configuration, the luminous intensity of photo-sensitive cell in photo-sensitive cell group to different frequency range is responded to, thus generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light respectively in photo-sensitive cell group.Each photo-sensitive cell group corresponds to each pixel, and processing unit 13, according to the signal of telecommunication corresponding with different colours generated in photo-sensitive cell group, can reduce the color of exterior light in the pixel corresponding with this photo-sensitive cell group.The color of each pixel combines by processing unit 13 further, thus can generate coloured image.
Imaging device according to the embodiment of the present invention, adopt white lenticule, and remove colored filter, eliminate the filtering process to exterior light, therefore the luminous intensity inciding photosensitive unit increases relative to prior art, thus can improve the photoelectric conversion efficiency relative to exterior light.
Further, based on the transmitted light of the raising light receiving efficiency obtained after white lenticule, the signal of telecommunication that the frequency range of generation residing for predetermined color is corresponding, wherein predetermined color can be red light, green light and/or blue light.Specific implementation one, based on the wavelength of different colours, differentiates the color component of described transmitted light at least one predetermined color, generates the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color.Such as gold by red and green light according to must component blending form, therefore can be generated the signal of telecommunication of the frequency range of redness correspondence and the frequency range composition of green correspondence by gold according to redness and green color component.Specific implementation two, absorbs described transmitted light by quantum film and launches the intermediate light of predetermined color, the intermediate light of predetermined color is converted to the corresponding signal of telecommunication.Such as absorb golden transmitted light and launch red and green intermediate light, red and green intermediate light is converted to the signal of telecommunication of the frequency range composition of red corresponding frequency range and green correspondence.Namely two kinds of modes all by adding color elements or color circuit below photosensitive part, to differentiate the color response of light, because the wavelength of the light of each color is different, so at photosensitive pixel when having response to light, be the component of the color having way resolved light, generate according at red, green and/or that blue light is corresponding color component the signal of telecommunication that described in red, green and/or blue light, frequency range is corresponding.The embodiment of the present invention carries out color identifying after improving light receiving efficiency to exterior light, to generate the signal of telecommunication that residing for red, green and/or blue light, frequency range is corresponding, thus synthetic image, make the impact reducing crosstalk.
Below, the formation method of embodiments of the present invention is described with reference to Fig. 2.Fig. 2 is the flow chart of the formation method representing embodiments of the present invention.
Formation method shown in Fig. 2 can be applied to the imaging device shown in Fig. 1.As shown in Figure 1, imaging device 1 comprises lenticule 11, photosensitive unit 12 and processing unit 13.
In step sl, exterior light can be improved the transmitted light of light receiving efficiency by generation after predetermined lenticule.Particularly, when applying in imaging device 1, lenticule 11 is arranged on the photo-sensitive cell of photosensitive unit 12, thus exterior light incides each photo-sensitive cell via each lenticule 11.By arranging lenticule 11 on photo-sensitive cell, thus the photosensitive area of photo-sensitive cell be can't help the aperture area of photo-sensitive cell and is determined, but is determined by the surface area of lenticule 11.Therefore, the transmitted light that exterior light is formed after lenticule 11, relative to exterior light, light receiving efficiency improves.In other words, after being provided with lenticule, under the luminous intensity of same exterior light, photo-sensitive cell can produce the stronger signal of telecommunication, can improve image quality thus.
As shown in Figure 3, lenticule of the prior art is all coloured, and need colored filter to filter to exterior light, lenticule 11 has filtering functions, and lenticule 11 such as carries out the optical filtering of the frequency range residing for the optical filtering of the frequency range residing for the optical filtering of the frequency range residing for red light, green light or blue light to exterior light particularly.The light of other color corresponding wavelength except lenticular color can be stopped like this, cause the luminous intensity after lenticule transmission to weaken, thus the intensity of the light formed weakens about 15% relative to exterior light.The light of remitted its fury is incided photo-sensitive cell, and therefore photo-sensitive cell cannot bring up to more than 85% relative to the photoelectric conversion efficiency of exterior light.
In contrast, in embodiments of the present invention, as shown in Figure 4, lenticule 11 is made up of white lens, and removes colored filter, thus does not carry out optical filtering process as prior art.Thus, the intensity inciding the light of photosensitive unit can not be weakened, and is generally more than 99%, thus can improve the photoelectric conversion efficiency of photo-sensitive cell relative to exterior light.
In step s 2, the signal of telecommunication of special frequency channel is generated according to the transmitted light generated in step sl.Wherein special frequency channel refers to the frequency range corresponding to predetermined color, and predetermined color can be red light, green light and/or blue light, generates by transmitted light the signal of telecommunication that described in red, green and/or blue light, frequency range is corresponding.Such as, the transmitted light of gold is generated the signal of telecommunication of the frequency range composition of red corresponding frequency range and green correspondence.Particularly, when applying in imaging device 1, the transmitted light inciding photosensitive unit 12 has the wavelength of different colours, and therefore photosensitive unit 12 is according to the wavelength with different colours, generates the signal of telecommunication corresponding with the frequency range residing for predetermined color.Such as, photosensitive unit 12 generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light.
Such as, photosensitive unit 12 is made up of multiple photo-sensitive cell, and each photo-sensitive cell configures respectively to be responded to incident exterior light, generates the signal of telecommunication corresponding with the luminous intensity of predetermined color.Wherein, each photo-sensitive cell such as generates the signal of telecommunication corresponding with the frequency range residing for red light, the signal of telecommunication corresponding with the frequency range residing for green light or the signal of telecommunication corresponding with the frequency range residing for sodium yellow.Such as, photo-sensitive cell group is divided at the photo-sensitive cell of adjacent position configuration, the luminous intensity of photo-sensitive cell in photo-sensitive cell group to different frequency range is responded to, thus generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light respectively in photo-sensitive cell group.
Be preferably, step S2 comprises: according to the different wave length of described transmitted light corresponding color, differentiates the color component of described transmitted light at least one predetermined color; The signal of telecommunication of the special frequency channel corresponding with described predetermined color is generated according to the color component of each predetermined color.
As mentioned above, the transmitted light inciding photosensitive unit 12 has the wavelength of different colours, therefore, it is possible to projection light to be differentiated into the light be made up of the color component of the color component of redness, green color component and/or blueness.Then, according to differentiated color component precedent in next life as the signal of telecommunication corresponding with the frequency range residing for red light, the signal of telecommunication corresponding with the frequency range residing for green light and the signal of telecommunication corresponding with the frequency range residing for sodium yellow.
Particularly, according to the different wave length of described transmitted light corresponding color, differentiate described transmitted light in the step of the color component of at least one predetermined color, realize this function by quantum film.Wherein, the configuration of this quantum film absorbs incident transmitted light and launches the intermediate light of particular color.To the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for red light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as red light.Similarly, to the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for green light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as green light, to the quantum film that the photo-sensitive cell generating the signal of telecommunication corresponding with the frequency range residing for blue light is arranged, configuration absorbs incident transmitted light and launches the intermediate light as blue light.
So, generate in the step of the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color, such as, in the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for red light to generation, the intermediate light as red light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the red light in exterior light.In the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for green light to generation, the intermediate light as green light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the green light in exterior light.In the photo-sensitive cell of the signal of telecommunication corresponding with the frequency range residing for blue light to generation, the intermediate light as blue light of being launched by the quantum film arranged in this photo-sensitive cell is changed, thus generates the signal of telecommunication corresponding with the frequency range residing for the blue light in exterior light.
In step s3, according to the signal of telecommunication synthetic image generated in step s 2.Particularly, processing unit 13 according to the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and/or with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light that generate in step s 2, synthetic image.
Be preferably, step S3 comprises and processing the signal of telecommunication of described special frequency channel, generates the coloured image of a pixel.Particularly, in image procossing, according to the half-tone information of the half-tone information of red component, the half-tone information of green component and blue component, color and the brightness of this pixel can be determined.Therefore in step s3, according to the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light that are generated by step S2, can reduce the color of exterior light and brightness, and then the color of each pixel and brightness can be carried out combining thus generating coloured image.
Such as, as mentioned above, photo-sensitive cell group is divided at the photo-sensitive cell of adjacent position configuration, the luminous intensity of photo-sensitive cell in photo-sensitive cell group to different frequency range is responded to, thus generates the signal of telecommunication, with frequency range green light residing for the corresponding signal of telecommunication and with frequency range sodium yellow residing for the corresponding signal of telecommunication corresponding with the frequency range residing for red light respectively in photo-sensitive cell group.Each photo-sensitive cell group corresponds to each pixel, and processing unit 13, according to the signal of telecommunication corresponding with different colours generated in photo-sensitive cell group, can reduce the color of exterior light in the pixel corresponding with this photo-sensitive cell group.The color of each pixel combines by processing unit 13 further, thus can generate coloured image.
Formation method according to the embodiment of the present invention, can not filter to exterior light, and the luminous intensity therefore inciding photosensitive unit increases relative to prior art, thus can improve the photoelectric conversion efficiency relative to exterior light.
In the embodiment of the present invention, as shown in Figure 3, lenticule of the prior art is all coloured, and need colored filter to filter to exterior light, the light of other color corresponding wavelength except lenticular color can be stopped like this, cause the luminous intensity after lenticule transmission to weaken, be generally only about 85%, therefore cause lenticular photoelectric conversion rate cannot problem more than 85%.As shown in Figure 4, lenticule is set to white by the present invention, and removes colored filter, eliminates the filtering process to exterior light, the luminous intensity after lenticule transmission is significantly improved, is generally more than 99%, therefore improve lenticular photoelectric conversion rate.
Further, based on the transmitted light of the raising light receiving efficiency obtained after white lenticule, the signal of telecommunication that the frequency range of generation residing for predetermined color is corresponding, wherein predetermined color can be red light, green light and/or blue light.Specific implementation one, based on the wavelength of different colours, differentiates the color component of described transmitted light at least one predetermined color, generates the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color.Such as gold by red and green light according to must component blending form, therefore can be generated the signal of telecommunication of the frequency range of redness correspondence and the frequency range composition of green correspondence by gold according to redness and green color component.Specific implementation two, absorbs described transmitted light by quantum film and launches the intermediate light of predetermined color, the intermediate light of predetermined color is converted to the corresponding signal of telecommunication.Such as absorb golden transmitted light and launch red and green intermediate light, red and green intermediate light is converted to the signal of telecommunication of the frequency range composition of red corresponding frequency range and green correspondence.Namely two kinds of modes all by adding color elements or color circuit below photosensitive part, to differentiate the color response of light, because the wavelength of the light of each color is different, so at photosensitive pixel when having response to light, be the component of the color having way resolved light, generate according at red, green and/or that blue light is corresponding color component the signal of telecommunication that residing for red, green and/or blue light, frequency range is corresponding.
Further, according to the signal of telecommunication synthetic image of special frequency channel, the signal of telecommunication that the signal of telecommunication corresponding to the frequency range namely residing for red light, frequency range residing for green light are corresponding and/or the signal of telecommunication corresponding to the frequency range residing for blue light, the color of reduction exterior light and brightness, and then the color of each pixel and brightness are carried out combination producing coloured image.
The embodiment of the present invention eliminates the filtering process of lens, improves the photoelectric conversion rate of exterior light, decreases the impact of crosstalk.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Finally, also it should be noted that, above-mentioned a series of process not only comprises with the order described here temporally process that performs of sequence, and comprises process that is parallel or that perform respectively instead of in chronological order.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Specifically, the computer program instructions that information processing method in the embodiment of the present application is corresponding can be stored in CD, hard disk, on the storage mediums such as USB flash disk, read by the first electronic equipment when the computer program instructions corresponding with information processing method in storage medium or when being performed, comprise the steps:
By exterior light by generating the transmitted light that can improve light receiving efficiency after predetermined lenticule;
The signal of telecommunication of special frequency channel is generated according to described transmitted light;
According to the signal of telecommunication synthetic image of described special frequency channel.
Optionally, generate the signal of telecommunication of special frequency channel according to described transmitted light, comprising:
According to the different wave length of described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color;
The signal of telecommunication of the special frequency channel corresponding with described predetermined color is generated according to the color component of each predetermined color.
Optionally, according to the signal of telecommunication synthetic image of described special frequency channel, comprising:
The signal of telecommunication of described special frequency channel is processed, generates the coloured image of a pixel.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in system claims or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.
Although show and describe exemplary embodiment especially above, it will be appreciated by those skilled in the art that when not deviating from the spirit and scope of claims, can change to some extent in its form and details.
Claims (10)
1. a formation method, comprising:
By exterior light by generating the transmitted light that can improve light receiving efficiency after predetermined lenticule;
The signal of telecommunication of special frequency channel is generated according to described transmitted light;
According to the signal of telecommunication synthetic image of described special frequency channel.
2. formation method as claimed in claim 1, wherein,
Described predetermined lenticule adopts white lens.
3. formation method as claimed in claim 1, wherein generates the signal of telecommunication of special frequency channel, comprising according to described transmitted light:
According to the different wave length of described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color;
The signal of telecommunication of the special frequency channel corresponding with described predetermined color is generated according to the color component of each predetermined color.
4. formation method as claimed in claim 1, wherein according to the signal of telecommunication synthetic image of described special frequency channel, comprising:
The signal of telecommunication of described special frequency channel is processed, generates the coloured image of a pixel.
5. the formation method as described in any one of claim 1-4, wherein said special frequency channel, comprising:
At least one frequency range in frequency range residing for red light, the frequency range residing for green light and the frequency range residing for blue light.
6. an imaging device, comprising:
Lenticule, for generating the transmitted light that can improve light receiving efficiency by exterior light;
Photosensitive unit, the transmitted light for generating according to described lenticule generates the signal of telecommunication of special frequency channel;
Processing unit, for the signal of telecommunication synthetic image of special frequency channel generated according to described photosensitive unit.
7. imaging device as claimed in claim 6, wherein,
Described lenticule adopts white lens.
8. imaging device as claimed in claim 6, wherein, described photosensitive unit comprises further:
Differentiate subelement, for the different wave length according to described transmitted light corresponding color, differentiate the color component of described transmitted light at least one predetermined color;
Conversion subelement, for generating the signal of telecommunication of the special frequency channel corresponding with described predetermined color according to the color component of each predetermined color.
9. imaging device as claimed in claim 6, wherein,
Described processing unit, is further used for processing the signal of telecommunication of described special frequency channel, generates the coloured image of a pixel.
10. the imaging device as described in any one of claim 6-9, wherein said special frequency channel, comprising:
At least one frequency range in frequency range residing for red light, the frequency range residing for green light and the frequency range residing for blue light.
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