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热词
    • 5. 发明授权
    • Semiconductor device comprising a pixel portion and a driver circuit
    • 半导体器件包括像素部分和驱动器电路
    • US08643018B2
    • 2014-02-04
    • US13616019
    • 2012-09-14
    • Shunpei YamazakiJunichiro SakataHiroyuki MiyakeHideaki KuwabaraHideki Uochi
    • Shunpei YamazakiJunichiro SakataHiroyuki MiyakeHideaki KuwabaraHideki Uochi
    • H01L29/04H01L29/10H01L27/14H01L27/12
    • H01L27/1225H01L27/124H01L29/45
    • An object is to improve the aperture ratio of a semiconductor device. The semiconductor device includes a driver circuit portion and a display portion (also referred to as a pixel portion) over the same substrate. The driver circuit includes a channel-etched thin film transistor for driver circuit and a driver circuit wiring formed using metal. Source and drain electrodes of the thin film transistor for the driver circuit are formed using a metal. A channel layer of the thin film transistor for the driver circuit is formed using an oxide semiconductor. The display portion includes a bottom-contact thin film transistor for a pixel and a display portion wiring formed using an oxide conductor. Source and drain electrode layers of the thin film transistor for the pixel are formed using an oxide conductor. A semiconductor layer of the thin film transistor for the pixel is formed using an oxide semiconductor.
    • 目的是提高半导体器件的开口率。 半导体器件包括驱动器电路部分和在同一衬底上的显示部分(也称为像素部分)。 驱动器电路包括用于驱动电路的通道蚀刻薄膜晶体管和使用金属形成的驱动电路布线。 用于驱动电路的薄膜晶体管的源极和漏极由金属形成。 使用氧化物半导体形成用于驱动电路的薄膜晶体管的沟道层。 显示部分包括用于像素的底接触薄膜晶体管和使用氧化物导体形成的显示部分布线。 用于像素的薄膜晶体管的源极和漏极电极层使用氧化物导体形成。 使用氧化物半导体形成用于像素的薄膜晶体管的半导体层。