JP2019507954A - グローバル電子シャッタを提供する画像センサを含む、画像センサ - Google Patents
グローバル電子シャッタを提供する画像センサを含む、画像センサ Download PDFInfo
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- JP2019507954A JP2019507954A JP2018543136A JP2018543136A JP2019507954A JP 2019507954 A JP2019507954 A JP 2019507954A JP 2018543136 A JP2018543136 A JP 2018543136A JP 2018543136 A JP2018543136 A JP 2018543136A JP 2019507954 A JP2019507954 A JP 2019507954A
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- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K39/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic radiation-sensitive element covered by group H10K30/00
- H10K39/30—Devices controlled by radiation
- H10K39/32—Organic image sensors
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- 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
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- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
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- H01L27/14603—Special geometry or disposition of pixel-elements, address-lines or gate-electrodes
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- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14696—The active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe
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- H10K30/15—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2
- H10K30/151—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2 the wide bandgap semiconductor comprising titanium oxide, e.g. TiO2
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Abstract
Description
本明細書で言及された各特許、特許出願及び/又は公報は、個々の各特許、特許出願及び/又は公報が参照によって組み込まれるように具体的かつ個々に示された場合と同じように、その全体が参照によって本明細書に組み込まれる。
・「材料4」の伝導帯端の0.5eV上又は下の伝導帯端
・「材料4」のバンドギャップエネルギー以上のバンドギャップエネルギー
・1x1019cm-3未満の自由電子密度
・1x10-5cm2/V−s超の電子移動度
・5〜100nmの膜厚
・1x1019cm-3未満のホールトラップ密度
・真空レベルより3.5eV〜4.5eV下の伝導帯端
・2.0eVよりも大きいバンドギャップエネルギー
・1x1017cm-3未満の自由電子密度
・1x10-3cm2/V−s超の電子移動度
・5〜20nmの膜厚
・1x1017cm-3未満のホールトラップ密度
・「材料4」の価電子帯端の0.5eV上又は下の価電子帯端
・「材料4」のバンドギャップエネルギー以上のバンドギャップエネルギー
・1x1019cm-3未満の自由ホール密度
・1x10-5cm2/V−s超のホール移動度
・5〜100nmの膜厚
・1x1019cm-3未満の電子トラップ密度
・真空の4.7〜5.7eV下の価電子帯端
・2eV超のバンドギャップエネルギー
・1x1017cm-3未満の自由ホール密度
・1x10-3cm2/V−s超のホール移動度
・5〜20nmの膜厚
・1x1017cm-3未満の電子トラップ密度
Claims (28)
- グローバル電子シャッタを提供する画像センサであって、前記画像センサが、
集積回路と、
第1の電荷抽出層と、
感光層と、
第2のホール抽出層と、を備え、第1のモード(「オン」モード)では、前記第1の電荷抽出層を介して電子が抽出され、第2のモード(「オフ」モード)では、前記第1の電荷抽出層によって前記ホールの抽出が阻止される、画像センサ。 - 前記集積回路がシリコンを含む、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、TiO2、ZnO、Ta2O5、CuO、Cu2O、ZrO2、Nb2O5、HfO2及びTiOxNyを含む材料のリストのうちの少なくとも1つの材料を含む、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、熱電子放出によるホール収集に対するエネルギー障壁を提供することによって、前記ホールの収集を阻止する、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、前記第1の電荷抽出層内の光生成ホールと電子との再結合が遅くなるように電子を実質的に完全に枯渇させることによって、前記ホールの収集を阻止する、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、前記第1の電荷抽出層を通じたトンネリング又はトラップ補助トンネリングによって、前記ホールの収集を阻止する、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、電気的に絶縁された画素にパターン成形され得る、請求項1に記載の画像センサ。
- 前記第1の電荷抽出層が、「オン」のときに高速電荷抽出材であり得る、請求項1に記載の画像センサ。
- 前記感光層が、半導体ポリマー、半導体有機小分子、量子ドット及び金属有機ペロブスカイト半導体を含む材料のリストのうちの少なくとも1つの材料を含む、請求項1に記載の画像センサ。
- 前記感光層が、前記第1の電荷抽出層に対して適切なバンドアライメントを有することにより、「オン」のときには良好なキャリア収集を可能にし、「オフ」のときには不十分なホール抽出を可能にする、請求項1に記載の画像センサ。
- 前記感光層が、電荷が迅速に抽出されるように少ない数の深いトラップ状態を有し得る、請求項1に記載の画像センサ。
- 前記ホール抽出層が、CoO、MoO3、WO3、NiO、ITO、AZO及びスピロ−OMeTADを含む材料のリストのうちの少なくとも1つの材料を含む、請求項1に記載の画像センサ。
- 前記集積回路が、デバイス積層体を「オン」から「オフ」にするために前記感光層両端間のバイアスを制御し得る、請求項1に記載の画像センサ。
- 前記オフの領域が、前記画像センサの全ダイナミックレンジを含むのに十分な広さの電圧幅を有し得る、請求項1に記載の画像センサ。
- グローバル電子シャッタを提供する画像センサであって、前記画像センサが、
集積回路と、
第1の電極と、
第1の電荷抽出層と、
感光層と、
第2のホール抽出層と、を備え、第1のモード(「オン」モード)では、前記第1の電荷抽出層を介して電子が前記第1の電極内に抽出され、第2のモード(「オフ」モード)では、第1の接点と前記第1の電荷抽出層との間のエネルギー障壁を介して電子の注入が阻止される、画像センサ。 - 前記第1の電荷抽出層が、TiO2、ZnO、Ta2O5、CuO、Cu2O、ZrO2、Nb2O5、HfO2及びTiOxNyを含む材料のリストのうちの少なくとも1つの材料を含む、請求項15に記載の画像センサ。
- 前記第1の電荷抽出層が、熱電子放出によるホール収集に対するエネルギー障壁を提供することによって、前記ホールの収集を阻止する、請求項15に記載の画像センサ。
- 前記第1の電荷抽出層が、前記第1の電荷抽出層内の光生成ホールと電子との再結合が遅くなるように電子を実質的に完全に枯渇させることによって、前記ホールの収集を阻止する、請求項15に記載の画像センサ。
- 前記第1の電荷抽出層が、前記第1の電荷抽出層を通じたトンネリング又はトラップ補助トンネリングによって、前記ホールの収集を阻止する、請求項15に記載の画像センサ。
- 前記第1の電荷抽出層が、電気的に絶縁された画素にパターン成形され得る、請求項15に記載の画像センサ。
- 前記第1の電荷抽出層が、「オン」のときに高速電荷抽出材であり得る、請求項15に記載の画像センサ。
- 前記感光層が、半導体ポリマー、半導体有機小分子、量子ドット及び金属有機ペロブスカイト半導体を含む材料のリストのうちの少なくとも1つの材料を含む、請求項15に記載の画像センサ。
- 前記感光層が、前記第1の電荷抽出層に対して適切なバンドアライメントを有することにより、「オン」のときには良好なキャリア収集を可能にし、「オフ」のときには不十分なホール抽出を可能にする、請求項15に記載の画像センサ。
- 前記感光層が、電荷が迅速に抽出されるように少ない数の深いトラップ状態を有し得る、請求項15に記載の画像センサ。
- 前記ホール抽出層が、CoO、MoO3、WO3、NiO、ITO、AZO及びスピロ−OMeTADを含む材料のリストのうちの少なくとも1つの材料を含む、請求項15に記載の画像センサ。
- 前記集積回路がシリコンを含む、請求項15に記載の画像センサ。
- 前記集積回路が、デバイス積層体を「オン」から「オフ」にするために前記感光層両端間のバイアスを制御し得る、請求項15に記載の画像センサ。
- 前記オフの領域が、前記画像センサの全ダイナミックレンジを含むのに十分な広さの電圧幅を有し得る、請求項15に記載の画像センサ。
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