JP5230726B2 - ゲイン制御を備える画像センサ画素 - Google Patents
ゲイン制御を備える画像センサ画素 Download PDFInfo
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- JP5230726B2 JP5230726B2 JP2010506226A JP2010506226A JP5230726B2 JP 5230726 B2 JP5230726 B2 JP 5230726B2 JP 2010506226 A JP2010506226 A JP 2010506226A JP 2010506226 A JP2010506226 A JP 2010506226A JP 5230726 B2 JP5230726 B2 JP 5230726B2
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- Prior art keywords
- charge
- voltage conversion
- voltage
- transfer gate
- conversion region
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- 238000006243 chemical reaction Methods 0.000 claims description 58
- 238000012546 transfer Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 2
- 206010034960 Photophobia Diseases 0.000 claims 2
- 208000013469 light sensitivity Diseases 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 28
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 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
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/778—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising amplifiers shared between a plurality of pixels, i.e. at least one part of the amplifier must be on the sensor array itself
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
- H04N25/59—Control of the dynamic range by controlling the amount of charge storable in the pixel, e.g. modification of the charge conversion ratio of the floating node capacitance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
- H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
- H04N25/771—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Facsimile Heads (AREA)
Description
105,305 行デコーダ回路
110,310 タイミング発生器
115,315 アナログ−デジタル変換器
120,320 集積画像処理
125,325 相関二重サンプリング(CDS)回路
130,308 光感受画素
150,206 リセットトランジスタ
151 フォトダイオード
152 トランスファートランジスタ
153,207 出力トランジスタ
154,208 行選択トランジスタ
155,160,162,166 浮遊拡散ノード
161,163 キャパシタ
165 ダングリングトランジスタゲート
167,168,169 トランジスタゲート
200 画素
201,202 フォトダイオード埋め込み
203,204 トランスファーゲート
205 電荷−電圧変換ノード
209 出力信号線
210 電源電圧
211 表面ピンニング層埋め込み/ピンフォトダイオード
220,221 カラーフィルタ材質
222,223 マイクロレンズ
224 光線
230,234 光発生電荷(フォトダイオード)
231,232,233 チャネルポテンシャル
240,241 出力電圧曲線
242 高ゲイン曲線
243 点
244 曲線
400 デジタルカメラ
Claims (2)
- 画像信号を読み出す方法であって、
少なくとも2つの光感受領域を設けるステップと、
前記少なくとも2つの光感受領域の夫々に各自関連する少なくとも2つのトランスファーゲートを設けるステップと、
前記少なくとも2つのトランスファーゲートに電気的に接続されるコモン電荷−電圧変換領域を設けるステップと、
前記コモン電荷−電圧変換領域をリセットするリセットメカニズムを設けるステップと、
前記少なくとも2つの光感受領域のうち少なくとも1つの光感受領域から電荷を運んだ後、第1の時点で前記少なくとも2つのトランスファーゲートの全てを無効にするステップと、
続く第2の時点で少なくとも1つのトランスファーゲートを有効にするステップと、
前記第2の時点から前記少なくとも1つのトランスファーゲートが有効なままである間、続く第3の時点で前記少なくとも2つの光感受領域のうち少なくとも1つの他の光感受領域から電荷を運ぶステップとを含み、
前記第2の時点と前記第3の時点との間に前記コモン電荷−電圧変換領域をリセットするステップを更に含む、方法。 - 前記少なくとも2つの光感受領域に少なくとも2つの異なる光感受性を与えるステップと、
より高い光感受性を有する前記少なくとも2つの光感受領域のうち少なくとも1つの他の光感受領域から前記第3の時点に電荷を運ぶステップと
を更に含む請求項1記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/742,883 | 2007-05-01 | ||
US11/742,883 US8159585B2 (en) | 2007-05-01 | 2007-05-01 | Image sensor pixel with gain control |
PCT/US2008/005148 WO2008133861A1 (en) | 2007-05-01 | 2008-04-22 | Image sensor pixel with gain control |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010526479A JP2010526479A (ja) | 2010-07-29 |
JP2010526479A5 JP2010526479A5 (ja) | 2011-06-16 |
JP5230726B2 true JP5230726B2 (ja) | 2013-07-10 |
Family
ID=39473856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010506226A Active JP5230726B2 (ja) | 2007-05-01 | 2008-04-22 | ゲイン制御を備える画像センサ画素 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8159585B2 (ja) |
EP (2) | EP2150038B1 (ja) |
JP (1) | JP5230726B2 (ja) |
KR (1) | KR101388276B1 (ja) |
CN (1) | CN101675657B (ja) |
TW (1) | TWI450579B (ja) |
WO (1) | WO2008133861A1 (ja) |
Families Citing this family (17)
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WO2009136285A2 (en) * | 2008-04-16 | 2009-11-12 | Quantum Semiconductor Llc | Pixel circuitry for ultra wide dynamic range |
JP4538528B2 (ja) * | 2008-12-26 | 2010-09-08 | 廣津 和子 | 固体撮像素子 |
US8411184B2 (en) * | 2009-12-22 | 2013-04-02 | Omnivision Technologies, Inc. | Column output circuits for image sensors |
US9000500B2 (en) * | 2009-12-30 | 2015-04-07 | Omnivision Technologies, Inc. | Image sensor with doped transfer gate |
FR2995725A1 (fr) * | 2012-09-19 | 2014-03-21 | St Microelectronics Sa | Procede de commande d'un pixel cmos |
CN102843524B (zh) * | 2012-09-25 | 2015-09-23 | 中国科学院上海高等研究院 | Cmos图像传感器及其工作方法 |
EP2975839B1 (en) * | 2013-03-14 | 2020-11-25 | Nikon Corporation | Image-capturing unit, image-capturing device, and image-capture control program |
US9578223B2 (en) | 2013-08-21 | 2017-02-21 | Qualcomm Incorporated | System and method for capturing images with multiple image sensing elements |
US9160958B2 (en) | 2013-12-18 | 2015-10-13 | Omnivision Technologies, Inc. | Method of reading out an image sensor with transfer gate boost |
JP6254048B2 (ja) * | 2014-06-05 | 2017-12-27 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
KR102591364B1 (ko) | 2015-09-23 | 2023-10-19 | 삼성디스플레이 주식회사 | 광 센서 및 이를 포함하는 표시 장치 |
CN105681692B (zh) * | 2016-01-11 | 2018-10-30 | 珠海艾思克科技有限公司 | Cmos图像传感器及其复位噪声评估方法 |
DE102016212784A1 (de) * | 2016-07-13 | 2018-01-18 | Robert Bosch Gmbh | CMOS Pixel, Bildsensor und Kamera sowie Verfahren zum Auslesen eienes CMOS Pixels |
JP6420450B2 (ja) * | 2017-11-29 | 2018-11-07 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US11317038B2 (en) | 2017-12-19 | 2022-04-26 | SmartSens Technology (HK) Co., Ltd. | Pixel unit with a design for half row reading, an imaging apparatus including the same, and an imaging method thereof |
JP7299680B2 (ja) * | 2018-08-23 | 2023-06-28 | キヤノン株式会社 | 撮像装置及び撮像システム |
WO2021102366A1 (en) | 2019-11-20 | 2021-05-27 | Gigajot Technology, Inc. | Scalable-pixel-size image sensor |
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-
2007
- 2007-05-01 US US11/742,883 patent/US8159585B2/en active Active
-
2008
- 2008-04-22 JP JP2010506226A patent/JP5230726B2/ja active Active
- 2008-04-22 CN CN200880014156.8A patent/CN101675657B/zh active Active
- 2008-04-22 EP EP09176344.1A patent/EP2150038B1/en active Active
- 2008-04-22 KR KR1020097022858A patent/KR101388276B1/ko active IP Right Grant
- 2008-04-22 WO PCT/US2008/005148 patent/WO2008133861A1/en active Application Filing
- 2008-04-22 EP EP08743163.1A patent/EP2140676B1/en active Active
- 2008-04-30 TW TW097116019A patent/TWI450579B/zh active
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2012
- 2012-03-12 US US13/418,182 patent/US8717476B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2140676B1 (en) | 2015-08-19 |
JP2010526479A (ja) | 2010-07-29 |
CN101675657B (zh) | 2014-09-10 |
KR101388276B1 (ko) | 2014-04-22 |
US8159585B2 (en) | 2012-04-17 |
WO2008133861A1 (en) | 2008-11-06 |
EP2150038A3 (en) | 2012-05-30 |
CN101675657A (zh) | 2010-03-17 |
TWI450579B (zh) | 2014-08-21 |
EP2140676A1 (en) | 2010-01-06 |
EP2150038B1 (en) | 2013-06-12 |
US20080273104A1 (en) | 2008-11-06 |
US8717476B2 (en) | 2014-05-06 |
US20120168611A1 (en) | 2012-07-05 |
TW200922284A (en) | 2009-05-16 |
KR20100016124A (ko) | 2010-02-12 |
EP2150038A2 (en) | 2010-02-03 |
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