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    • 1. 发明授权
    • Top gate thin-film transistor, display device, and electronic apparatus
    • 顶栅薄膜晶体管,显示器件和电子设备
    • US08334553B2
    • 2012-12-18
    • US13026683
    • 2011-02-14
    • Shigeru MoriTakahiro KorenariHiroshi Tanabe
    • Shigeru MoriTakahiro KorenariHiroshi Tanabe
    • H01L31/062
    • H01L33/58H01L29/7833H01L29/78621H01L29/78633
    • A thin-film transistor manufactured on a transparent substrate has a structure of a top gate type crystalline silicon thin-film transistor in which a light blocking film, a base layer, a crystalline silicon film, a gate insulating film, and a gate electrode film arranged not to overlap at least a channel region are sequentially formed on the transparent substrate. The channel region has channel length L, LDD regions having LDD length d on both sides of the channel region, a source region, and a drain region are formed in the crystalline silicon film. The light blocking film is divided across the channel region. Interval x between the divided light blocking films is equal to or larger than channel length L and equal to or smaller than a sum of channel length L and a double of LDD length d (L+2d), allowing low the manufacturing cost and suppressed photo leak current.
    • 制造在透明基板上的薄膜晶体管具有顶栅型晶体硅薄膜晶体管的结构,其中遮光膜,基底层,晶体硅膜,栅极绝缘膜和栅极电极膜 排列成不重叠的至少一个沟道区域依次形成在透明基板上。 沟道区具有沟道长度L,在晶体硅膜中形成在沟道区两侧具有LDD长度d的LDD区,源区和漏区。 遮光膜在通道区域上分开。 分割的遮光膜之间的间隔x等于或大于沟道长度L,并且等于或小于沟道长度L的和和LDD长度d(L + 2d)的两倍,从而允许低的制造成本和抑制的照片 泄漏电流。
    • 2. 发明授权
    • Semiconductor device and method for manufacturing same
    • 半导体装置及其制造方法
    • US07981811B2
    • 2011-07-19
    • US12508888
    • 2009-07-24
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • H01L21/31
    • H01L29/78621H01L29/66757
    • A base layer is formed on an insulating substrate, and a semiconductor layer is formed in localized fashion thereon. A gate insulating film is then formed so as to cover the semiconductor layer, and a gate electrode is formed on a portion of the gate insulating film. An impurity is then implanted into the semiconductor layer via the gate insulating film, and a source region, a drain region, and an LDD region are formed. The gate insulating film is etched with dilute hydrofluoric acid. An electrode-protecting insulating film is then formed so as to cover the gate electrode, and the entire surface of the surface layer portion of the electrode-protecting insulating film is etched away using dilute hydrofluoric acid. Carrier traps introduced into the electrode-protecting insulating film and the gate insulating film are thereby removed.
    • 在绝缘基板上形成基底层,以局部方式形成半导体层。 然后形成栅极绝缘膜以覆盖半导体层,并且栅极电极形成在栅极绝缘膜的一部分上。 然后通过栅极绝缘膜将杂质注入到半导体层中,形成源极区,漏极区和LDD区。 用稀氢氟酸蚀刻栅极绝缘膜。 然后形成电极保护绝缘膜以覆盖栅电极,并且使用稀氢氟酸腐蚀掉电极保护绝缘膜的表面层部分的整个表面。 因此,引入到电极保护绝缘膜和栅极绝缘膜中的载流子阱被去除。
    • 3. 发明授权
    • Thin film transistor substrate and thin film transistor used for the same
    • 薄膜晶体管基板和薄膜晶体管用于相同
    • US08242553B2
    • 2012-08-14
    • US12838954
    • 2010-07-19
    • Takahiro KorenariHiroshi Tanabe
    • Takahiro KorenariHiroshi Tanabe
    • H01L29/76
    • H01L27/1251H01L27/1214H01L29/78645H01L29/78648H01L29/7869H01L29/78696
    • A thin film transistor (TFT) substrate includes first and second TFTs on the same substrate. The first TFT has a feature that a lower conductive layer or a bottom gate electrode layer is provided between the substrate and a first insulating layer while an upper conductive layer or a top gate electrode layer is disposed on a second insulating layer formed on a semiconductor layer which is formed on the first insulating layer. The first conductive layer has first and second areas such that the first area overlaps with the first conductive layer without overlapping with the semiconductor layer while the second area overlaps with the semiconductor layer, and the first area is larger than the second area while the second insulating layer is thinner than the first insulating layer. The second TFT has the same configuration as the first TFT except that the gate electrode layer is eliminated.
    • 薄膜晶体管(TFT)基板在同一基板上包括第一和第二TFT。 第一TFT具有在基板和第一绝缘层之间设置下导电层或底栅极电极层的特征,而上导电层或顶栅电极层设置在形成于半导体层上的第二绝缘层上 其形成在第一绝缘层上。 第一导电层具有第一和第二区域,使得第一区域与第一导电层重叠而不与半导体层重叠,而第二区域与半导体层重叠,并且第一区域大于第二区域,而第二绝缘层 层比第一绝缘层薄。 除了除去栅电极层之外,第二TFT具有与第一TFT相同的结构。
    • 4. 发明授权
    • Transistor with electrode-protecting insulating film
    • 具有电极保护绝缘膜的晶体管
    • US07582933B2
    • 2009-09-01
    • US11483561
    • 2006-07-11
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • H01L29/772
    • H01L29/78621H01L29/66757
    • A base layer is formed on an insulating substrate, and a semiconductor layer is formed in localized fashion thereon. A gate insulating film is then formed so as to cover the semiconductor layer, and a gate electrode is formed on a portion of the gate insulating film. An impurity is then implanted into the semiconductor layer via the gate insulating film, and a source region, a drain region, and an LDD region are formed. The gate insulating film is etched with dilute hydrofluoric acid. An electrode-protecting insulating film is then formed so as to cover the gate electrode, and the entire surface of the surface layer portion of the electrode-protecting insulating film is etched away using dilute hydrofluoric acid. Carrier traps introduced into the electrode-protecting insulating film and the gate insulating film are thereby removed.
    • 在绝缘基板上形成基底层,以局部方式形成半导体层。 然后形成栅极绝缘膜以覆盖半导体层,并且栅极电极形成在栅极绝缘膜的一部分上。 然后通过栅极绝缘膜将杂质注入到半导体层中,形成源极区,漏极区和LDD区。 用稀氢氟酸蚀刻栅极绝缘膜。 然后形成电极保护绝缘膜以覆盖栅电极,并且使用稀氢氟酸腐蚀掉电极保护绝缘膜的表面层部分的整个表面。 因此,引入到电极保护绝缘膜和栅极绝缘膜中的载流子阱被去除。
    • 6. 发明申请
    • Semiconductor device and method for manufacturing same
    • 半导体装置及其制造方法
    • US20070012924A1
    • 2007-01-18
    • US11483561
    • 2006-07-11
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • Shigeru MoriTakahiro KorenariTadahiro MatsuzakiHiroshi Tanabe
    • H01L29/76
    • H01L29/78621H01L29/66757
    • A base layer is formed on an insulating substrate, and a semiconductor layer is formed in localized fashion thereon. A gate insulating film is then formed so as to cover the semiconductor layer, and a gate electrode is formed on a portion of the gate insulating film. An impurity is then implanted into the semiconductor layer via the gate insulating film, and a source region, a drain region, and an LDD region are formed. The gate insulating film is etched with dilute hydrofluoric acid. An electrode-protecting insulating film is then formed so as to cover the gate electrode, and the entire surface of the surface layer portion of the electrode-protecting insulating film is etched away using dilute hydrofluoric acid. Carrier traps introduced into the electrode-protecting insulating film and the gate insulating film are thereby removed.
    • 在绝缘基板上形成基底层,以局部方式形成半导体层。 然后形成栅极绝缘膜以覆盖半导体层,并且栅极电极形成在栅极绝缘膜的一部分上。 然后通过栅极绝缘膜将杂质注入到半导体层中,形成源极区,漏极区和LDD区。 用稀氢氟酸蚀刻栅极绝缘膜。 然后形成电极保护绝缘膜以覆盖栅电极,并且使用稀氢氟酸腐蚀掉电极保护绝缘膜的表面层部分的整个表面。 因此,引入到电极保护绝缘膜和栅极绝缘膜中的载流子阱被去除。