JP2013520006A - イメージセンサおよび動作方法 - Google Patents
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- H01L27/144—Devices controlled by radiation
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- H01L27/14643—Photodiode arrays; MOS imagers
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- H01L27/144—Devices controlled by radiation
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Abstract
イメージセンサのピクセルは、ピニング電圧が異なる複数のドーピング領域を含む検出部と、前記検出部から電子が送信されて復調する復調部とを含む。
Description
Claims (18)
- 少なくとも1つのイメージセンサのピクセルを含むイメージセンサにおいて、前記少なくとも1つのイメージピクセルは、
光を受信して少なくとも1つの電子を生成し、前記少なくとも1つの電子を復調部に送信する検出部と、
前記検出部から前記少なくとも1つの電子を受信し、受信された少なくとも1つの電子を格納し、前記電子を蓄積するための少なくとも1つの送信ノードに前記少なくとも1つの電子を送信する復調部と、を含み、
前記検出部は、前記電子を前記復調部に送信するために印加される電界のピニング電圧が異なる複数のドーピング領域を含むイメージセンサ。 - 前記複数のドーピング領域は複数のn−層または複数のp−層を含み、前記複数のn−層または複数のp−層は前記復調部に近いほど高いピニング電圧を有する請求項1に記載のイメージセンサ。
- 前記複数のn−層または複数のp−層それぞれのピニング電圧は、ドーピング濃度または接合深さによって調整される請求項2に記載のイメージセンサ。
- 前記検出部は、前記複数のドーピング領域を含むピン止めフォトダイオードに構成される請求項1〜請求項3のいずれか一項に記載のイメージセンサ。
- 前記復調部はフォトゲートを含む請求項1〜請求項4のいずれか一項に記載のイメージセンサ。
- 前記フォトゲートの電位は、第1時間区間で前記検出部のピニング電圧および前記電子を蓄積するための第1送信ノードの電位と同一であるか低く、第2時間区間で前記検出部のピニング電圧および前記電子を蓄積するための第1送信ノードの電位よりも高い請求項5に記載のイメージセンサ。
- 前記第1時間区間において前記フォトゲートに格納された電子は前記少なくとも1つの送信ノードに移動し、前記第2時間区間において前記検出部で生成された電子は前記フォトゲートに移動する請求項5または請求項6に記載のイメージセンサ。
- 前記フォトゲートの電位は、第3時間区間で前記検出部の電位および前記電子を蓄積するための第2送信ノードの電位よりも低く、前記第2時間区間において前記検出部で生成された電子は第3時間区間で前記第1送信ノードに移動する請求項7に記載のイメージセンサ。
- 前記フォトゲートの電位および前記検出部の電位は、前記第2時間区間で前記検出部から前記フォトゲートに前記少なくとも1つの電子が移動するように設定し、同時に、前記フォトゲートの電位および前記第1送信ノードの電位は、前記少なくとも1つの電子が前記第1送信ノードに移動されないように設定する請求項7または請求項8に記載のイメージセンサ。
- 前記フォトゲートの電位および前記検出部の電位は、前記第1時間区間で前記少なくとも1つの電子が前記検出部の中から前記フォトゲートの前まで移動するように設定し、前記第1時間区間の以前に前記フォトゲートに格納された電子は前記第1送信ノードに送信されるように設定する請求項7または請求項9に記載のイメージセンサ。
- 前記フォトゲートの電位は、第2時間区間において前記第1送信ノードの電位および前記第2送信ノードの電位よりも高く、前記第2時間区間において前記フォトゲートは受信される電子を格納し、前記第2時間区間において前記フォトゲートは前記第1送信ノードまたは前記第2送信ノードに電子を送信しない請求項8〜請求項10のいずれか一項に記載のイメージセンサ。
- 少なくとも1つのイメージセンサのピクセルを含むイメージセンサにおいて、前記少なくとも1つのイメージピクセルは、
第1時間区間の以前に格納された電子を少なくとも1つの送信ノードを介して復調する復調部と、
前記第1時間区間で光を受信して生成された電子を前記復調部の前まで送信する検出部と、を含み、
前記復調部の前まで送信された電子は、第2時間区間で前記復調部に移動するイメージセンサ。 - 前記検出部は複数のドーピング領域を含み、前記複数のドーピング領域それぞれのピニング電圧は、ドーピング濃度または接合深さによって調整されることを特徴とする請求項12に記載のイメージセンサ。
- 前記検出部は、複数のドーピング領域を含むピン止めフォトダイオードに構成される請求項12に記載のイメージセンサ。
- 前記復調部はフォトゲートを含む請求項12に記載のイメージセンサ。
- 光を検出して電子を生成する検出部と、
前記電子を復調し、フォトゲート、第1送信ノード、および第2送信ノードを含む復調部とを含むピクセルを含むイメージセンサの動作方法であって、
前記検出部で生成された電子を前記フォトゲートに格納するステップと、
前記フォトゲートに格納された電子を前記第1送信ノードおよび前記第2送信ノードのうちの1つによって復調するステップと、
を含むイメージセンサの動作方法。 - 前記格納するステップは、前記フォトゲートの電位を前記第1送信ノードおよび前記第2送信ノードよりも高く設定するステップを含む請求項16に記載のイメージセンサの動作方法。
- 前記復調するステップは、前記第1送信ノードおよび前記第2送信ノードのうちの1つの電位を前記フォトゲートの電位よりも高く設定するステップを含む請求項16に記載のイメージセンサの動作方法。
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Application Number | Priority Date | Filing Date | Title |
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KR1020100013111A KR20110093212A (ko) | 2010-02-12 | 2010-02-12 | 이미지 센서의 픽셀 및 픽셀 동작 방법 |
KR10-2010-0013111 | 2010-02-12 | ||
PCT/KR2011/000847 WO2011099759A2 (en) | 2010-02-12 | 2011-02-09 | Image sensor and operating method |
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JP2013520006A true JP2013520006A (ja) | 2013-05-30 |
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JP2012552799A Pending JP2013520006A (ja) | 2010-02-12 | 2011-02-09 | イメージセンサおよび動作方法 |
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US (1) | US20110198481A1 (ja) |
EP (1) | EP2534688A4 (ja) |
JP (1) | JP2013520006A (ja) |
KR (1) | KR20110093212A (ja) |
CN (1) | CN102449766A (ja) |
WO (1) | WO2011099759A2 (ja) |
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US10840282B2 (en) * | 2015-10-21 | 2020-11-17 | Ams Sensors Singapore Pte. Ltd. | Demodulation pixel devices, arrays of pixel devices and optoelectronic devices incorporating the same |
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TWI685092B (zh) | 2018-07-19 | 2020-02-11 | 義明科技股份有限公司 | 互補式金氧半導體深度感測器元件 |
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2011
- 2011-02-08 US US12/929,681 patent/US20110198481A1/en not_active Abandoned
- 2011-02-09 JP JP2012552799A patent/JP2013520006A/ja active Pending
- 2011-02-09 WO PCT/KR2011/000847 patent/WO2011099759A2/en active Application Filing
- 2011-02-09 CN CN2011800023169A patent/CN102449766A/zh active Pending
- 2011-02-09 EP EP11742451.5A patent/EP2534688A4/en not_active Withdrawn
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018513967A (ja) * | 2015-03-17 | 2018-05-31 | コーネル・ユニバーシティーCornell University | 深度フィールドイメージング装置、方法および応用 |
US10605916B2 (en) | 2015-03-17 | 2020-03-31 | Cornell University | Depth field imaging apparatus, methods, and applications |
US10983216B2 (en) | 2015-03-17 | 2021-04-20 | Cornell University | Depth field imaging apparatus, methods, and applications |
Also Published As
Publication number | Publication date |
---|---|
WO2011099759A2 (en) | 2011-08-18 |
EP2534688A4 (en) | 2014-07-23 |
KR20110093212A (ko) | 2011-08-18 |
CN102449766A (zh) | 2012-05-09 |
WO2011099759A3 (en) | 2011-11-24 |
US20110198481A1 (en) | 2011-08-18 |
EP2534688A2 (en) | 2012-12-19 |
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