CN106298826A - A kind of imageing sensor - Google Patents
A kind of imageing sensor Download PDFInfo
- Publication number
- CN106298826A CN106298826A CN201610866380.6A CN201610866380A CN106298826A CN 106298826 A CN106298826 A CN 106298826A CN 201610866380 A CN201610866380 A CN 201610866380A CN 106298826 A CN106298826 A CN 106298826A
- Authority
- CN
- China
- Prior art keywords
- filter
- unit
- basic
- imageing sensor
- filters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 238000003491 array Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14627—Microlenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
- H01L27/14607—Geometry of the photosensitive area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Color Television Image Signal Generators (AREA)
- Optical Filters (AREA)
Abstract
A kind of imageing sensor, including the lens jacket being sequentially connected with, color separation filter layer and photosensitive layer, described color separation filter layer is G pattern color filter array, wherein G pattern color filter array includes the dot structure unit that several sizes, shape are identical, described lens jacket includes the electronic circuit matrix that several micro lens, described photosensitive layer are X*Y pixel composition；Spaced two row of described dot structure unit, the pixels of spaced two row are green, remaining pixel in a line or string at its place mutually compartment of terrain present redness or blueness；Dot structure unit includes 12 G filters, 2 R filters, 2 B filters so that G filter proportion is 3/4, and R, B filter proportion is respectively 1/4；The present invention improves the purpose of green pixel point accounting so that graph image has higher definition, it is easier to accepted by human eye, improves human eye identification, image degree and human eye plays certain protective effect.
Description
Technical field
A kind of imageing sensor involved in the present invention, a kind of colour image sensing based on G Pattern Filter array
Device, belongs to imaging device fields.
Background technology
Imageing sensor is a kind of equipment that optical imagery is converted into electronic signal, and its basic functional principle is by the external world
The optical imagery of the two-dimensional illumination intensity distribution that object is formed on object lens imaging surface is changed into the one-dimensional sequential signal of telecommunication.Imageing sensor
The one-dimensional sequential signal of telecommunication of output, after follow-up amplification and Synchronization Control process, gives image display, the most reducible also
Display two-dimensional optical image.
Imageing sensor is widely used in various consumer electronics product, as digital camera, mobile phone and video are supervised
Ore-controlling Role etc..The imageing sensor of main flow is broadly divided into two kinds, and one is CCD (charge coupled device, electric charge coupling
Close element), another kind is CMOS (Complementary Metal-Oxide Semiconductor, metal-oxide semiconductor (MOS)
Element) sensor.The distinctive technique of CCD, has that low-light (level) is effective, signal to noise ratio is high, penetrating sense is strong, color restoration capability is good
Advantage, is widely used in many high-end fields, but simultaneously because its cost is high, power consumption the most also constrains its market development
Space.
For from external structure, imageing sensor is broadly divided into three layers, is followed successively by micro lens layer, color separation from outside to inside
Filter layer and photosensitive layer.It is in outermost micro lens layer to be made up of a lot of micro lens, entering through this layer
Penetrate light and can more gather photosensitive regions of pixels.The optical filter that color separation filter layer is made up of color filter array, color
The corresponding pixel of each filter unit of filter array, each filter unit can only have the light of a kind of color to pass through, its
Purpose is the size allowing each pixel characterize a kind of particular color light intensity.
The most the most frequently used color filter array (Color Filter Array is called for short CFA) is Bayer color filter battle array
Row (Bayer pattern CFA), it is green and blue with green filter and one group that this filter array is used alternatingly one group of redness
Filter is constituted, and each 2 × 2 basic filter unit is made up of 2 greens (G), 1 redness (R) and 1 blueness (B) unit, because of
This can capture the green glow of 1/2, the HONGGUANG of 1/4 and the blue light of 1/4.Innermost photosensitive layer is by the X corresponding with upper strata CFA
The electronic circuit matrix of × Y pixel composition, its effect is that the optical signal through CFA is changed into current signal output.
Human visual system has larger difference to the sensitivity of RGB three primary colours.Human eye is quick to the green glow that wavelength is 555nm
Sensitivity is the strongest, and wavelength increases or reduces all can make human eye vision sensitivity reduce, and human eye is about green glow to the sensitivity of HONGGUANG
1/2, the sensitivity of blue light is about the 1/3 of HONGGUANG.Therefore, G pixel is maximum on the impact of image definition.Currently used
In Bayer array, shared by G pixel, the ratio of total pixel is 1/2.So that the definition of image improves, need color filter
The ratio of the G filter of array improves more than 1/2, and Bayer array is no longer desirable for the image of higher image definition requirements and passes
Sensor.
Summary of the invention
The invention aims to overcome the deficiency of above-mentioned background technology, and provide a kind of higher image of definition to pass
Sensor so that the image of imageing sensor capture more meets the visual standards of human eye.
To achieve these goals, the present invention adopts the following technical scheme that:
Imageing sensor, including the lens jacket being sequentially connected with, color separation filter layer and photosensitive layer, described color separation filter layer is G
Pattern color filter array, wherein G pattern color filter array includes the dot structure unit that several sizes, shape are identical；
Lens jacket includes several micro lens, for incident illumination more gathers photosensitive regions of pixels；Described photosensitive layer be X ×
The electronic circuit matrix of Y pixel composition, the optical signal that will transmit through color separation filter layer (5) is changed into signal of telecommunication output.
The dot structure unit of described color filter array includes the first basic filter unit and the second basic filter unit,
The minimal structure list of 4 × 4 arrays is formed by mixing arrangement the first basic filter unit and the second basic filter unit
Unit.
The first basic filter unit or second that each two in the dot structure unit of described color filter array is identical
The basic paired linea angulata of filter unit, horizontally or vertically arrange.
Described first basic filter unit is 2 × 2 arrays, including 3 G filters and 1 R filter；Described second base
This filter unit is 2 × 2 arrays equally, including 3 G filters and 1 B filter.
R filter in described first basic filter unit and the B filter in the second basic filter unit be respectively positioned on place 2 ×
The same position of 2 arrays.
R filter in described first basic filter unit and the B filter in the second basic filter unit be respectively positioned on place 2 ×
The upper left corner of 2 arrays, the lower right corner, the upper right corner or the lower left corner.
Described dot structure unit includes 12 G filters, 2 R filters, 2 B filters.
It is 3/4 that the G filter of described dot structure unit accounts for the ratio of total filter number, and R, B filter accounts for total filter respectively
The 1/8 of number, the eight neighborhood of each R, B filter outside flash trimming angle is G filter.
The invention has the beneficial effects as follows: the present invention, by effectively arranging R, G, B filter unit, improves green pixel and accounts for whole
Volumetric pixel ratio, green pixel point ratio increases so that image has higher definition, it is easier to accepted by human eye,
More press close to the visual standards of human eye.It is demonstrated experimentally that imageing sensor involved in the present invention, compare the tradition figure of same resolution
As sensor, line number (ISO12233 standard resolution test card) test can improve more than 10%.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the another kind of architecture figure of the present invention.
Fig. 3 a, 3b, 3c are the arrangement mode schematic diagrams of three kinds of dot structure unit of the present invention.
Fig. 4 a, 4b are R, B filter structural representations of the non-corner location of the present invention.
Fig. 5 is the schematic diagram of the G pattern color filter array of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but should not be understood as the limit to the application
System.
Imageing sensor as shown in Figure 1, Figure 2, structure is followed successively by lens jacket 3, color separation filter layer 5 and photosensitive layer 4, described color separation
Filter layer is G pattern color filter array (optical filter), and wherein G pattern color filter array includes several sizes, shape
Identical dot structure unit 1；Lens jacket includes several micro lens, photosensitive for incident illumination more gathers pixel
Region；Photosensitive layer is the electronic circuit matrix of X × Y pixel composition, and the optical signal that will transmit through color separation filter layer is changed into telecommunications
Number output.
As it is shown in figure 5, the G pattern color filter array that the present invention uses includes the pixel that several sizes, shape are identical
Construction unit 1, the arrangement of described dot structure unit 1 forms G pattern color filter array 2, and dot structure unit 1 includes the first base
This filter unit 11 and the second basic filter unit 12, by mixing arrangement the first basic filter unit 11 and the second basic filter
Unit 12 and form the minimum structural unit of 4 × 4 arrays, first that in described dot structure unit, each two is identical is basic
Several arrangement modes such as filter unit 11 or the second basic filter unit 12 paired linea angulata, horizontally or vertically arrangement, make whole
Being significantly increased of the filter ratio of color filter array Green, improves image definition.
First basic filter unit 11 is 2 × 2 arrays, including 3 G filters and 1 R filter；Second basic filter
Unit 12 is 2 × 2 arrays equally, including 3 G filters and 1 B filter, and the R filter in the first basic filter unit and
B filter in two basic filter unit is respectively positioned on the same position of place 2 × 2 array, such as in the array of 2 × 2 upper left corner,
The lower right corner, the upper right corner or the lower left corner.It is on bottom right in 2 × 2 arrays by R, B filter below and illustrates as a example by angle.
Accompanying drawing 3a is dot structure unit (4 × 4 array minimal structures of G pattern color filter array of the present invention
Unit) a kind of detailed description of the invention, its queueing discipline is: apply the basic filter unit of above-mentioned first and the second basic filter
Each two of unit, diagonally arranges between the basic filter unit that each two is identical；
Accompanying drawing 3b is dot structure unit (4 × 4 array minimal structures of G pattern color filter array of the present invention
Unit) one be embodiment, its queueing discipline is: apply the basic filter unit of above-mentioned first and the second basic filter list
Each two of unit, horizontally arranged between the basic filter unit that each two is identical；
Accompanying drawing 3c is dot structure unit (4 × 4 array minimal structures of G pattern color filter array of the present invention
Unit) a kind of embodiment, its queueing discipline is: apply the basic filter unit of above-mentioned first and the second basic filter unit
Each two, arranged vertically between the basic filter unit that each two is identical；
4 × 4 array minimum structural units of G pattern color filter array are not limited to above-mentioned example.Such as change the first base
R, B filter location in this filter unit and the second basic filter unit so that it is be respectively positioned on a left side for place 2 × 2 array
Upper angle or optional position, then can be arranged in different array structures, and its principle of compositionality is identical.
The dot structure unit 1 of the present invention includes 12 G filters, 2 R filters, 2 B filters, and G filter proportion is
3/4, R, B filter proportion is respectively 1/4, and the eight neighborhood of each R, B filter outside flash trimming angle is G filter, as Fig. 4 a,
4b.So make image that the high accounting because of green filter is realized the raising of definition, and closer to the visual impression of human body
It is subject to, it is easier to accepted by human eye, and the filter accounting example height of green is also beneficial to the protection of human eye.
Spaced two row of the dot structure unit 1 of the present invention, the filters of spaced two row are green, remaining
Filter in a line or string at its place mutually compartment of terrain present redness or blueness, i.e. ensure that green pixel point
At high proportion, the definition of image is effectively raised.
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. an imageing sensor, including the lens jacket (3) being sequentially connected with, color separation filter layer (5) and photosensitive layer (4), its feature
It is: described color separation filter layer is G pattern color filter array, and wherein G pattern color filter array includes several sizes, shape
The dot structure unit (1) that shape is identical；Lens jacket includes several micro lens, for incident illumination more gathers pixel
Photosensitive region；Photosensitive layer is the electronic circuit matrix of X × Y pixel composition, and the optical signal that will transmit through color separation filter layer (5) changes
Export for the signal of telecommunication.
A kind of imageing sensor the most according to claim 1, it is characterised in that: described dot structure unit (1) includes the
One basic filter unit (11) and the second basic filter unit (12), by mixing arrangement the first basic filter unit (11) and the
Two basic filter unit (12) and form the minimum structural unit of 4 × 4 arrays.
A kind of imageing sensor the most according to claim 2, it is characterised in that: in described dot structure unit (1) every two
Individual the first identical basic filter unit (11) or the second basic filter unit (12) linea angulata in pairs, horizontally or vertically arrange.
4. according to a kind of imageing sensor described in Claims 2 or 3, it is characterised in that: the described first basic filter unit
(11) it is 2 × 2 arrays, including 3 G filters and 1 R filter；Described second basic filter unit (12) is one 2 equally
× 2 arrays, including 3 G filters and 1 B filter.
A kind of imageing sensor the most according to claim 4, it is characterised in that: the R in the described first basic filter unit
B filter in filter and the second basic filter unit is respectively positioned on the same position of place 2 × 2 array.
A kind of imageing sensor the most according to claim 5, it is characterised in that: the R in the described first basic filter unit
B filter in filter and the second basic filter unit is respectively positioned on the upper left corner of place 2 × 2 array, the lower right corner, the upper right corner or lower-left
Angle.
7. according to a kind of imageing sensor described in claim 1 or 2 or 3, it is characterised in that: described dot structure unit (1)
Including 12 G filters, 2 R filters, 2 B filters.
A kind of imageing sensor the most according to claim 4, it is characterised in that: the G filter of described dot structure unit (1)
The ratio accounting for total filter is 3/4, and R, B filter accounts for the 1/8 of total filter respectively, and the eight neighborhood of each R, B filter outside flash trimming angle is equal
For G filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866380.6A CN106298826A (en) | 2016-09-29 | 2016-09-29 | A kind of imageing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866380.6A CN106298826A (en) | 2016-09-29 | 2016-09-29 | A kind of imageing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106298826A true CN106298826A (en) | 2017-01-04 |
Family
ID=57716591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610866380.6A Pending CN106298826A (en) | 2016-09-29 | 2016-09-29 | A kind of imageing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130526A (en) * | 2019-03-26 | 2021-07-16 | 福州鑫图光电有限公司 | High-sensitivity image sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736935Y (en) * | 2004-09-11 | 2005-10-26 | 鸿富锦精密工业（深圳）有限公司 | Image sensor |
| CN101006731A (en) * | 2005-06-21 | 2007-07-25 | 索尼株式会社 | Image processing device and method, imaging device, and computer program |
| CN101312537A (en) * | 2004-12-27 | 2008-11-26 | 索尼株式会社 | Drive method for solid-state imaging device, solid-state imaging device, and imaging apparatus |
| CN102959959A (en) * | 2011-03-30 | 2013-03-06 | 富士胶片株式会社 | Method for driving solid-state imaging element, solid-state imaging element, and imaging device |
| CN206148433U (en) * | 2016-09-29 | 2017-05-03 | 杭州雄迈集成电路技术有限公司 | Image sensor |
-
2016
- 2016-09-29 CN CN201610866380.6A patent/CN106298826A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736935Y (en) * | 2004-09-11 | 2005-10-26 | 鸿富锦精密工业（深圳）有限公司 | Image sensor |
| CN101312537A (en) * | 2004-12-27 | 2008-11-26 | 索尼株式会社 | Drive method for solid-state imaging device, solid-state imaging device, and imaging apparatus |
| CN101006731A (en) * | 2005-06-21 | 2007-07-25 | 索尼株式会社 | Image processing device and method, imaging device, and computer program |
| CN102959959A (en) * | 2011-03-30 | 2013-03-06 | 富士胶片株式会社 | Method for driving solid-state imaging element, solid-state imaging element, and imaging device |
| CN206148433U (en) * | 2016-09-29 | 2017-05-03 | 杭州雄迈集成电路技术有限公司 | Image sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130526A (en) * | 2019-03-26 | 2021-07-16 | 福州鑫图光电有限公司 | High-sensitivity image sensor |
| CN113130526B (en) * | 2019-03-26 | 2023-04-28 | 福州鑫图光电有限公司 | High-sensitivity image sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8860857B2 (en) | System and method for a high performance color filter mosaic array | |
| CN105025278B (en) | Imaging sensor with binning in scaling filter array and pixel | |
| CN106257679A (en) | Imageing sensor and imaging system | |
| US20180026065A1 (en) | Image-sensor structures | |
| EP3113491B1 (en) | Color filter array patterns for reduction of color aliasing | |
| CN101740603A (en) | Solid-state image capture device and image capture apparatus | |
| CN107112342A (en) | Device for solid photography and electronic equipment | |
| CN104717474B (en) | Image processing method, module and the electronic equipment comprising it | |
| CN104410847B (en) | A kind of chromatic filter and color image sensor | |
| CN106688098A (en) | Solid-state imaging element, imaging device, and electronic device | |
| CN106791734A (en) | The method of device, electronic installation and IMAQ for IMAQ | |
| CN109922286A (en) | Cmos image sensor and its imaging method | |
| CN104412581A (en) | Color imaging element and imaging device | |
| CN103283240A (en) | Color imaging device | |
| CN107346089A (en) | Imaging sensor, camera module and electronic installation | |
| CN101150731B (en) | Color filtering array for digital imaging and its imaging method | |
| US9674493B2 (en) | Color image sensor with metal mesh to detect infrared light | |
| CN104079903B (en) | High-dynamic-range color and gray image sensor | |
| CN106298826A (en) | A kind of imageing sensor | |
| CN206148433U (en) | Image sensor | |
| CN103443921B (en) | Back-illuminated solid-state imaging element, method for producing same, and imaging device | |
| CN207251823U (en) | Imaging device and imaging system | |
| EP4213479A1 (en) | Image sensor, terminal, data processing method and apparatus, and storage medium | |
| CN111918004B (en) | Image sensor, terminal, data processing method, device and storage medium | |
| CN206908722U (en) | Optimization color filter array for color image sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |