JP7077222B2 - 半導体デバイス、アレイ基板及び半導体デバイスの製造方法 - Google Patents
半導体デバイス、アレイ基板及び半導体デバイスの製造方法 Download PDFInfo
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- JP7077222B2 JP7077222B2 JP2018519022A JP2018519022A JP7077222B2 JP 7077222 B2 JP7077222 B2 JP 7077222B2 JP 2018519022 A JP2018519022 A JP 2018519022A JP 2018519022 A JP2018519022 A JP 2018519022A JP 7077222 B2 JP7077222 B2 JP 7077222B2
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Description
第1スペーサ層と第2スペーサ層を形成するには、前記スペーサと、前記第1側面と、前記第1上部電極の上面と、前記第2側面とに、第1被覆層を設けることと、前記第1被覆層をパターニングすることで、パターニングされた第1被覆層に、前記第1上部電極の前記上面において第1開口を具備させることにより、前記第1開口によって離間された前記第1スペーサ層と前記第2スペーサ層を形成することと、を含み、
第1半導体層と第2半導体層を形成するには、前記第1スペーサ層と前記第2スペーサ層に、半導体材料層を形成することと、前記半導体材料層をパターニングすることで、パターニングされた半導体材料層に、前記第1半導体層と前記第1上部電極が接触されるように前記第1開口より小さく、前記第1上部電極の前記上面における第2開口を具備させることにより、前記第2開口によって離間された前記第1半導体層と前記第2半導体層を形成することと、を含む。
11 ソース電極とドレイン電極のうちの一方
11A サブ導電層
12 ソース電極とドレイン電極のうちの他方
13 薄膜トランジスタの活性層
13A 半導体層
14 ゲート
14A 導電層
21 下部電極
21A サブ導電層
22 上部電極
22A 導電層
23 感光部
31 下部電極
32 上部電極
32A 導電層
33 感光部
33A 半導体層
120 スペーサ層
123 絶縁層
123A 被覆層
230 スペーサ層
1000 半導体デバイス
2000 アレイ基板
3000 表示パネル
4000 表示装置
Claims (17)
- 基板と、前記基板上に形成された薄膜トランジスタと、前記薄膜トランジスタに隣接する第1光検出構造と、を含む半導体デバイスであって、前記第1光検出構造は、第1下部電極と、第1上部電極と、前記第1下部電極と前記第1上部電極との間に設けられた第1感光部と、を含み、
前記薄膜トランジスタのソース電極とドレイン電極のうちの一方が、前記第1光検出構造の前記第1下部電極と同層に設けられ、
前記薄膜トランジスタの前記ソース電極と前記ドレイン電極のうちの他方が、前記第1上部電極として用いられる、
半導体デバイス。 - 前記第1感光部は、下面と、上面と、前記薄膜トランジスタに面する第1側面と、前記薄膜トランジスタから離れている第2側面と、を有し、
前記半導体デバイスは、さらに、前記薄膜トランジスタと前記第1光検出構造との間に設けられ、前記第1側面を覆うとともに前記ソース電極とドレイン電極のうちの前記一方と前記第1下部電極とを離間させる、第1スペーサ層を含む、
請求項1に記載の半導体デバイス。 - 前記半導体デバイスは、さらに、前記第1光検出構造の前記第2側面に隣接する第2光検出構造を含み、
前記第2光検出構造は、第2下部電極と、第2上部電極と、前記第2下部電極と前記第2上部電極との間に設けられた第2感光部と、を含み、
前記第2下部電極と前記第1下部電極は一体化され、
第2感光部は前記第2側面において延びる、
請求項2に記載の半導体デバイス。 - 前記半導体デバイスは、さらに、前記第1光検出構造と前記第2光検出構造との間に設けられ、前記第2側面を覆うとともに前記第1上部電極と前記第2感光部とを離間させる、第2スペーサ層を含む、
請求項3に記載の半導体デバイス。 - 前記半導体デバイスは、さらに、前記薄膜トランジスタの活性層とゲートとの間に設けられた第1部分と、前記第1上部電極の上に覆う第2部分と、前記第2感光部の上に覆う第3部分とを、有する絶縁層を含む、
請求項4に記載の半導体デバイス。 - 前記第1感光部は、可視光感光材料を含み、前記第1上部電極は、透明導電材料を含む、
請求項1~5のいずれか1項に記載の半導体デバイス。 - 前記第1感光部は、PIN感光構造を含む、
請求項1~6のいずれか1項に記載の半導体デバイス。 - 前記第2感光部は、紫外光感光材料を含み、前記第2上部電極は、透明導電材料を含む、
請求項3~5のいずれか1項に記載の半導体デバイス。 - 前記薄膜トランジスタの活性層と前記第2光検出構造の第2感光部は、インジウムガリウム亜鉛酸化物を含む、
請求項3~8のいずれか1項に記載の半導体デバイス。 - 請求項1~9のいずれか1項に記載の半導体デバイスを含むアレイ基板。
- 基板上に、薄膜トランジスタと、前記薄膜トランジスタに隣接する第1光検出構造と、を形成することを含む製造方法であって、前記第1光検出構造は、第1下部電極と、第1上部電極と、前記第1下部電極と前記第1上部電極との間に設けられた第1感光部とを含み、
前記薄膜トランジスタのソース電極とドレイン電極のうちの一方が、前記第1光検出構造の前記第1下部電極と同層に設けられ、
前記薄膜トランジスタの前記ソース電極と前記ドレイン電極のうちの他方が、前記第1上部電極として用いられる、
半導体デバイスの製造方法。 - 前記方法は、さらに、前記第1光検出構造の第2側面に隣接する第2光検出構造を形成することを含み、前記第2光検出構造は、第2下部電極と、第2上部電極と、前記第2下部電極と前記第2上部電極との間に設けられた第2感光部と、を含み、
前記第2下部電極と前記第1下部電極は一体化され、
第2感光部は前記第2側面において延びる、
請求項11に記載の半導体デバイスの製造方法。 - 前記薄膜トランジスタは、前記第2光検出構造と同時に形成される、
請求項12に記載の半導体デバイスの製造方法。 - 前記薄膜トランジスタと前記第1光検出構造と前記第2光検出構造とを形成するには、
基板上に、前記薄膜トランジスタのソース電極とドレイン電極のうちの一方である第1サブ導電層と、第1光検出構造の第1下部電極であり、前記第1サブ導電層との間にスペーサを有する第2サブ導電層と、を形成することと、
前記第2サブ導電層に、前記第1感光部を形成することと、
前記第1感光部に、前記第1上部電極として用いられるように、第2導電層を形成することと、
前記第1感光部に、前記第1感光部の第1側面と前記スペーサを覆う第1スペーサ層と、前記第1感光部の前記第2側面と前記第1上部電極の一部を覆う第2スペーサ層と、を形成することと、
前記第1スペーサ層と前記第2スペーサ層に、前記第1スペーサ層を覆うとともに前記第1上部電極と接触して前記薄膜トランジスタの活性層として用いられる第1半導体層と、前記第2スペーサ層を覆って前記第2光検出構造の前記第2感光部として用いられる第2半導体層と、を形成することと、
前記第1半導体層と前記第2半導体層に、第2被覆層を形成することと、
前記第2被覆層に、第3導電層を形成して前記薄膜トランジスタのゲートを形成することと、
前記第2被覆層に、前記第2半導体層と接触して前記第2上部電極として用いられる第4導電層を形成することと、を含む、
請求項13に記載の半導体デバイスの製造方法。 - 基板上に第1サブ導電層と第2サブ導電層を形成するには、
前記基板上に、第1導電層を形成することと、
前記第1導電層をパターニングして、前記スペーサによって離間された前記第1サブ導電層と前記第2サブ導電層を形成することと、を含み、
第1スペーサ層と第2スペーサ層を形成するには、
前記スペーサと、前記第1側面と、前記第1上部電極の上面と、前記第2側面とに、第1被覆層を設けることと、
前記第1被覆層をパターニングすることで、パターニングされた第1被覆層に、前記第1上部電極の前記上面において第1開口を具備させることにより、前記第1開口によって離間された前記第1スペーサ層と前記第2スペーサ層を形成することと、を含み、
第1半導体層と第2半導体層を形成するには、
前記第1スペーサ層と前記第2スペーサ層に、半導体材料層を形成することと、
前記半導体材料層をパターニングすることで、パターニングされた半導体材料層に、前記第1半導体層と前記第1上部電極が接触されるように前記第1開口と位置合わせ、前記第1上部電極の前記上面における第2開口を具備させることにより、前記第2開口によって離間された前記第1半導体層と前記第2半導体層を形成することと、を含む、
請求項14に記載の半導体デバイスの製造方法。 - 請求項10に記載のアレイ基板を含む表示パネル。
- 請求項16に記載の表示パネルを含む表示装置。
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JP2001326356A (ja) | 2000-05-15 | 2001-11-22 | Canon Inc | Tftマトリックスパネル、および、これを用いた画像表示装置、光電変換装置 |
JP2002118790A (ja) | 2000-08-03 | 2002-04-19 | General Electric Co <Ge> | ゲーテッドフォトダイオードを有する固体イメージャ及びその製造方法 |
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JP2016122732A (ja) | 2014-12-25 | 2016-07-07 | 株式会社半導体エネルギー研究所 | 撮像装置 |
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Publication number | Publication date |
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EP3598497A4 (en) | 2020-12-30 |
EP3598497B1 (en) | 2024-08-28 |
US10431701B2 (en) | 2019-10-01 |
CN106935601B (zh) | 2019-08-23 |
EP3598497A1 (en) | 2020-01-22 |
WO2018166166A1 (zh) | 2018-09-20 |
KR102102195B1 (ko) | 2020-04-21 |
US20190044007A1 (en) | 2019-02-07 |
JP2020512678A (ja) | 2020-04-23 |
KR20180118595A (ko) | 2018-10-31 |
CN106935601A (zh) | 2017-07-07 |
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