JP2008085053A - 表示装置の製造方法および表示装置 - Google Patents
表示装置の製造方法および表示装置 Download PDFInfo
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Abstract
【解決手段】同一基板101上に擬似単結晶半導体113を用いた薄膜トランジスタと粒状の多結晶半導体112を用いた薄膜トランジスタの形成における結晶化前の非晶質半導体膜の膜厚を、擬似単結晶半導体部分205>多結晶半導体部分206とした。
【選択図】図11
Description
Claims (9)
- 同一基板上に擬似単結晶半導体を用いた薄膜トランジスタと粒状の多結晶半導体を用いた薄膜トランジスタを形成する表示装置の製造方法であって、
結晶化前の非晶質半導体膜の膜厚が擬似単結晶半導体部分>多結晶半導体部分であることを特徴とする表示装置の製造方法。 - 請求項1において、
前記擬似単結晶半導体部分と前記多結晶半導体部分とが同層に形成されていることを特徴とする表示装置の製造方法。 - 請求項1において、
前記擬似単結晶半導体部分と前記多結晶半導体部分とが異なる層に形成されていることを特徴とする表示装置の製造方法。 - 請求項1〜3の何れかにおいて、
前記擬似単結晶半導体部分の結晶化前の非晶質半導体膜の層厚が50乃至400nm、前記多結晶半導体部分の結晶化前の非晶質半導体膜の層厚が30乃至70nmであることを特徴とする表示装置の製造方法。 - 同一基板上に擬似単結晶半導体を用いた薄膜トランジスタと粒状の多結晶半導体を用いた薄膜トランジスタとを有する表示装置であって、
前記擬似単結晶半導体を用いた薄膜トランジスタの該半導体層の平均膜厚が、前記多結晶半導体を用いた薄膜トランジスタの該半導体層の平均膜厚より厚いことを特徴とする表示装置。 - 請求項5において、
前記擬似単結晶半導体と前記多結晶半導体とが同層に形成されていることを特徴とする表示装置。 - 請求項5において、
前記擬似単結晶半導体と前記多結晶半導体とが異なる層に形成されていることを特徴とする表示装置。 - 請求項7において、
一方の薄膜トランジスタのゲート電極は、他方の薄膜トランジスタの半導体層と同じ層に形成された半導体膜で構成されていることを特徴とする表示装置。 - 請求項5〜8の何れかにおいて、
前記擬似単結晶半導体の平均膜厚は50〜400nm、前記多結晶半導体の平均膜厚は30〜70nmであることを特徴とする表示装置。
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JP2011054936A (ja) * | 2009-09-03 | 2011-03-17 | Samsung Mobile Display Co Ltd | 有機発光表示装置及びその製造方法 |
JP2016213454A (ja) * | 2015-04-30 | 2016-12-15 | 株式会社半導体エネルギー研究所 | 半導体装置、該半導体装置の作製方法、または該半導体装置を有する表示装置 |
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WO2010064343A1 (ja) * | 2008-12-05 | 2010-06-10 | シャープ株式会社 | 半導体装置及びその製造方法 |
KR101065407B1 (ko) * | 2009-08-25 | 2011-09-16 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
WO2011045956A1 (ja) * | 2009-10-16 | 2011-04-21 | シャープ株式会社 | 半導体装置、それを備えた表示装置、および半導体装置の製造方法 |
JP5890709B2 (ja) * | 2011-06-30 | 2016-03-22 | 株式会社東芝 | テンプレート用基板及びその製造方法 |
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CN112331678A (zh) * | 2020-11-03 | 2021-02-05 | 京东方科技集团股份有限公司 | 显示基板、其制作方法及显示面板、显示装置 |
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