JP2015061136A - 撮像素子及び撮像装置及びその制御方法 - Google Patents
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Abstract
【解決手段】フォトダイオードが配置された第1の半導体基板309と、電荷を記憶する記憶素子が配置された第2の半導体基板311と、第1の半導体基板のフォトダイオードにより生成された画素信号が、第2の半導体基板の記憶素子に記憶されるように、フォトダイオードと記憶素子とを電気的に接続する接続部312,313とを有する。
【選択図】 図2
Description
図1は、本発明の第1の実施形態に係わる撮像素子の構成を示す図である。図1において、撮像素子の有効画素領域は、複数の画素セット100が垂直方向(列方向)及び水平方向(行方向)にマトリクス状に配置されることにより形成される。画素セット100には垂直走査回路105から制御信号が出力される制御信号線104が接続される。また、画素セット100はそれぞれ撮像素子内部を縦断して画素列に隣接する垂直出力線101に接続される。垂直出力線101は一端が定電流源103に接続され、他端がカラムアンプ(増幅アンプ)102に接続される。カラムアンプ102の出力は、制御信号PTSで駆動されるスイッチ106を介して保持容量108に接続される。保持容量108は、水平走査回路114から出力される列毎の制御信号PHによって駆動される出力転送スイッチ110を介して、水平出力線112に接続される。そして、保持容量108により保持された画素セット100の信号レベルが水平出力線112に出力される。
以下、本発明の第2の実施形態に係わる撮像装置について説明する。
図11は、本発明の第3の実施形態としての携帯電話機1100の構成を示すブロック図である。本実施形態の携帯電話機1100は、音声通話機能の他、電子メール機能や、インターネット接続機能、画像の撮影、再生機能等を有する。
また、本発明は、以下の処理を実行することによっても実現される。即ち、上述した実施形態の機能を実現するソフトウェア(プログラム)を、ネットワーク又は各種記憶媒体を介してシステム或いは装置に供給し、そのシステム或いは装置のコンピュータ(またはCPUやMPU等)がプログラムを読み出して実行する処理である。
Claims (11)
- フォトダイオードが配置された第1の半導体基板と、
画素信号を記憶する記憶素子が配置された第2の半導体基板と、
前記第1の半導体基板の前記フォトダイオードにより生成された画素信号が、前記第2の半導体基板の前記記憶素子に記憶されるように、前記フォトダイオードと前記記憶素子とを電気的に接続する接続手段と、
を有することを特徴とする撮像素子。 - 前記記憶素子は、フォトダイオードごとに複数配置されていることを特徴とする請求項1に記載の撮像素子。
- 前記記憶素子は、複数のフォトダイオードに接続されていることを特徴とする請求項1に記載の撮像素子。
- 複数回の蓄積制御により蓄積された各画素信号を、前記複数の記憶素子に独立に格納することを特徴とする請求項1乃至3のいずれか1項に記載の撮像素子。
- 前記複数の記憶素子に格納される各画素信号を、独立に読み出す手段をさらに有することを特徴とする請求項4に記載の撮像素子。
- 前記フォトダイオードで生成された画素信号を、前記記憶素子を経由して読み出す動作と、前記記憶素子を経由しないで読み出す動作を切り替える手段をさらに備えることを特徴とする請求項1乃至5のいずれか1項に記載の撮像素子。
- 前記接続手段は、マイクロバンプからなることを特徴とする請求項1乃至6のいずれか1項に記載の撮像素子。
- 請求項1乃至7のいずれか1項に記載の撮像素子と、
前記撮像素子に画素信号の生成と、生成された画素信号の読み出しを交互に行う第1のモードと、前記撮像素子に複数回の画素信号の生成を行わせた後に、複数回生成された画素信号の読み出しを行う第2のモードとを切り替える切り替え手段と、
を有することを特徴とする撮像装置。 - 前記第1のモードでは、前記第2の半導体基板の電源の一部または全部をオフにすることを特徴とする請求項8に記載の撮像装置。
- 前記第2のモードでは、前記複数回生成された画素信号を、前記記憶素子に記憶させることを特徴とする請求項8または9に記載の撮像装置。
- 請求項1乃至7のいずれか1項に記載の撮像素子を備える撮像装置を制御する方法であって、
前記撮像素子に画素信号の生成と、生成された画素信号の読み出しを交互に行う第1のモードと、前記撮像素子に複数回の画素信号の生成を行わせた後に、複数回生成された画素信号の読み出しを行わせる第2のモードとを切り替える切り替え工程を有することを特徴とする撮像装置の制御方法。
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JP2013192369A JP6257235B2 (ja) | 2013-09-17 | 2013-09-17 | 撮像素子及び撮像装置 |
US14/482,305 US9967498B2 (en) | 2013-09-17 | 2014-09-10 | Image sensor and image capturing apparatus having a plurality of storage devices |
CN201410469776.8A CN104469185B (zh) | 2013-09-17 | 2014-09-15 | 图像传感器和摄像装置 |
KR1020140122645A KR101706421B1 (ko) | 2013-09-17 | 2014-09-16 | 촬상 센서 및 촬상 장치 |
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US5585652A (en) * | 1994-10-25 | 1996-12-17 | Dalsa, Inc. | Method and apparatus for real-time background illumination subtraction |
JP3704052B2 (ja) | 2000-03-28 | 2005-10-05 | リンク・リサーチ株式会社 | 高速撮像素子及び高速撮影装置 |
JP4349232B2 (ja) * | 2004-07-30 | 2009-10-21 | ソニー株式会社 | 半導体モジュール及びmos型固体撮像装置 |
CN101010944B (zh) * | 2004-09-02 | 2010-06-16 | 索尼株式会社 | 摄像装置及摄像结果的输出方法 |
JP2008042825A (ja) | 2006-08-10 | 2008-02-21 | Matsushita Electric Ind Co Ltd | 固体撮像素子 |
US7488928B2 (en) * | 2007-04-20 | 2009-02-10 | Alexander Krymski | Image sensor circuits and methods with multiple readout lines per column of pixel circuits |
JP2008277511A (ja) | 2007-04-27 | 2008-11-13 | Fujifilm Corp | 撮像素子及び撮像装置 |
US7999866B2 (en) * | 2007-05-21 | 2011-08-16 | Canon Kabushiki Kaisha | Imaging apparatus and processing method thereof |
JP4835710B2 (ja) | 2009-03-17 | 2011-12-14 | ソニー株式会社 | 固体撮像装置、固体撮像装置の製造方法、固体撮像装置の駆動方法、及び電子機器 |
JP2013106224A (ja) | 2011-11-15 | 2013-05-30 | Canon Inc | 撮像装置 |
US9055241B2 (en) * | 2011-12-01 | 2015-06-09 | Olympus Corporation | Solid-state image pickup device, image pickup device, and signal reading method including an averaging circuit for averaging accumulated signals |
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