JP7250558B2 - 表示装置及び半導体装置 - Google Patents
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Description
Claims (12)
- 酸化物半導体を用いた第1のTFTとポリシリコン半導体を用いた第2のTFTとが形成された基板を有する表示装置であって、
前記第1のTFTにおいて、前記酸化物半導体を覆って第1の絶縁膜が形成され、前記第1のTFTの第1のゲート電極が前記第1の絶縁膜上に配置され、前記第1の絶縁膜に形成された第1のスルーホールを介して、前記第1のゲート電極と同層に形成された第1のドレイン電極が前記酸化物半導体に接続し、前記第1の絶縁膜に形成された第2のスルーホールを介して、前記ゲート第1の電極と同層に形成された第1のソース電極が前記酸化物半導体に接続し、
前記第1のドレイン電極及び前記第1のソース電極を覆って第2の絶縁膜が形成され、前記第2の絶縁膜に形成された第3のスルーホールを介して第1のドレイン配線が前記第1のドレイン電極に接続し、前記第2の絶縁膜に形成された第4のスルーホールを介して第1のソース配線が前記第1のソース電極に接続し、
前記第2のTFTは前記第1のTFTよりも基板の近くに位置し、
前記第2のTFTは第2のゲート電極、第2のドレイン電極と第2のソース電極を備え、
前記ポリシリコン半導体を覆って第3の絶縁膜 が配置され、
前記第3の絶縁膜上に前記第2のゲート電極が配置され、
前記第2のゲート電極を覆って層間絶縁膜が配置され、
前記層間絶縁膜は前記第1のTFTと前記第2のTFTの間に配置され、
第5のスルーホールは前記第1の絶縁膜と前記第2の絶縁膜と前記層間絶縁膜と前記第3の絶縁膜とを貫通し、
前記第2のドレイン電極が前記第5のスルーホールを介して前記ポリシリコン半導体に接触し、
第6のスルーホールは前記第1の絶縁膜と前記第2の絶縁膜と前記層間絶縁膜と前記第3の絶縁膜とを貫通し、
前記第2のソース電極が前記第6のスルーホールを介して前記ポリシリコン半導体に接触し、
前記第1のドレイン配線と前記第1のソース配線とは前記第2の絶縁膜の上に形成されていることを特徴とする表示装置。 - 前記第1のドレイン配線は、映像信号線であることを特徴とする請求項1に記載の表示装置。
- 前記第1のソース配線は、画素電極と接続していることを特徴とする請求項1に記載の表示装置。
- 前記第1のスルーホールと前記第3のスルーホールは、平面で視て、別な場所に形成され、前記第2のスルーホールと前記第4のスルーホールは、平面で視て、別な場所に形成されていることを特徴とする請求項1に記載の表示装置。
- 前記第1のTFTの第1のゲート配線は、走査線と同じ層に形成されていることを特徴とする請求項1に記載の表示装置。
- 前記第1のTFTの前記第1のドレイン配線と前記第1のソース配線、及び、前記第2のTFTの前記第2のドレイン電極と前記第2のソース電極は、同じ層に形成されていることを特徴とする請求項1に記載の表示装置。
- 前記表示装置は液晶表示装置であることを特徴とする請求項1に記載の表示装置。
- 前記表示装置は有機EL表示装置であることを特徴とする請求項1に記載の表示装置。
- 酸化物半導体を用いた第1のTFTとポリシリコン半導体を用いた第2のTFTとが形成された基板を有する半導体装置であって、
前記第1のTFTにおいて、前記酸化物半導体を覆って第1の絶縁膜が形成され、前記第1のTFTの第1ゲート電極が前記第1絶縁膜上に配置され、前記第1の絶縁膜に形成された第1のスルーホールを介して、前記第1のゲート電極と同層に形成された第1のドレイン電極が前記酸化物半導体に接続し、前記第1の絶縁膜に形成された第2のスルーホールを介して、前記第1のゲート電極と同層に形成された第1のソース電極が前記酸化物半導体に接続し、
前記第1のドレイン電極及び前記第1のソース電極を覆って第2の絶縁膜が形成され、前記第2の絶縁膜に形成された第3のスルーホールを介して第1のドレイン配線が前記第1のドレイン電極に接続し、前記第2の絶縁膜に形成された第4のスルーホールを介して第1のソース配線が前記第1のソース電極に接続し、
前記第2のTFTは前記第1のTFTよりも基板の近くに位置し、
前記第2のTFTは第2のゲート電極、第2のドレイン電極と第2のソース電極を備え、
前記ポリシリコン半導体を覆って第3の絶縁膜が配置され、
前記第3の絶縁膜上に前記前記第2のゲート電極が配置され、
前記第2のゲート電極を覆って層間絶縁膜が配置され、
前記層間絶縁膜は前記第1のTFTと前記第2のTFTの間に配置され、
第5のスルーホールは前記第1の絶縁膜と前記第2の絶縁膜と前記層間絶縁膜と前記第3の絶縁膜とを貫通し、
前記第2のドレイン電極が前記第5のスルホールを介して前記ポリシリコン半導体に接触し、
第6のスルーホールは前記第1の絶縁膜と前記第2の絶縁膜と前記層間絶縁膜と前記第3の絶縁膜とを貫通し、
前記第2ソース電極が前記第6のスルーホールを介して前記ポリシリコン半導体に接触し、
前記第1のドレイン配線と前記第1のソース配線とは第2の絶縁膜の上に形成されていることを特徴とする半導体装置。 - 前記第1のスルーホールと前記第3のスルーホールは、平面で視て、別な場所に形成され、前記第2のスルーホールと前記第4のスルーホールは、平面で視て、別な場所に形成されていることを特徴とする請求項9に記載の半導体装置。
- 前記第1のTFTの前記第1のドレイン配線と前記第1のソース配線、及び、前記第2のTFTの前記第2のドレイン電極と前記第2のソース電極は、同じ層に形成されていることを特徴とする請求項9に記載の半導体装置。
- 前記第1のTFTの前記第1のドレイン配線と前記第1のソース配線、及び、前記第2のTFTの前記第2のドレイン電極と前記第2のソース電極は、前記第2の絶縁膜の上に形成されていることを特徴とする請求項9に記載の半導体装置。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019027237A JP7250558B2 (ja) | 2019-02-19 | 2019-02-19 | 表示装置及び半導体装置 |
| CN202010081137.XA CN111584499B (zh) | 2019-02-19 | 2020-02-05 | 显示装置及半导体器件 |
| CN202311328162.3A CN117334701A (zh) | 2019-02-19 | 2020-02-05 | 半导体器件 |
| US16/787,054 US11181792B2 (en) | 2019-02-19 | 2020-02-11 | Display device and semiconductor device |
| US17/506,694 US11550195B2 (en) | 2019-02-19 | 2021-10-21 | Display device and semiconductor device |
| US17/987,887 US12085823B2 (en) | 2019-02-19 | 2022-11-16 | Display device and semiconductor device |
| US18/798,914 US20240402552A1 (en) | 2019-02-19 | 2024-08-09 | Display device and semiconductor device |
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| JP2019027237A JP7250558B2 (ja) | 2019-02-19 | 2019-02-19 | 表示装置及び半導体装置 |
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| JP2020134674A JP2020134674A (ja) | 2020-08-31 |
| JP7250558B2 true JP7250558B2 (ja) | 2023-04-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7250558B2 (ja) * | 2019-02-19 | 2023-04-03 | 株式会社ジャパンディスプレイ | 表示装置及び半導体装置 |
| KR102867626B1 (ko) * | 2020-03-18 | 2025-10-02 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 제조 방법 |
| CN118969802A (zh) * | 2020-05-26 | 2024-11-15 | 群创光电股份有限公司 | 电子装置 |
| KR102926353B1 (ko) * | 2020-09-04 | 2026-02-10 | 엘지디스플레이 주식회사 | 표시 장치 |
| CN114384729B (zh) * | 2020-10-19 | 2025-04-22 | 京东方科技集团股份有限公司 | 显示模组及其制备方法、显示装置 |
| CN112736095B (zh) | 2021-01-15 | 2025-12-16 | 武汉华星光电技术有限公司 | 显示面板 |
| KR102795247B1 (ko) * | 2021-02-23 | 2025-04-14 | 삼성디스플레이 주식회사 | 표시 장치 |
| WO2023112328A1 (ja) * | 2021-12-17 | 2023-06-22 | シャープディスプレイテクノロジー株式会社 | 表示装置 |
| TW202501634A (zh) * | 2023-05-19 | 2025-01-01 | 日商半導體能源研究所股份有限公司 | 半導體裝置、顯示裝置、顯示模組、電子裝置 |
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| US20230074655A1 (en) | 2023-03-09 |
| US11181792B2 (en) | 2021-11-23 |
| US20240402552A1 (en) | 2024-12-05 |
| CN111584499B (zh) | 2023-11-03 |
| US20200264484A1 (en) | 2020-08-20 |
| US20220043316A1 (en) | 2022-02-10 |
| JP2020134674A (ja) | 2020-08-31 |
| CN117334701A (zh) | 2024-01-02 |
| CN111584499A (zh) | 2020-08-25 |
| US12085823B2 (en) | 2024-09-10 |
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