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    • 1. 发明申请
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US20050174317A1
    • 2005-08-11
    • US10865217
    • 2004-06-10
    • Tomoo IzumiMitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi Furukawa
    • Tomoo IzumiMitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi Furukawa
    • G02F1/137G02F1/133G09G3/20G09G3/36
    • G09G3/3629G02F1/13718G09G2300/0486G09G2310/06G09G2320/02
    • A liquid crystal display apparatus which have a circular polarizer and a liquid crystal display in a stack. The liquid crystal display has a chilral nematic liquid crystal layer between substrates, and on the mutually opposite sides of the substrates, electrodes and aligning layers are formed. The liquid crystal switches between a planar alignment state and a focal-conic alignment state depending on the voltage applied thereto through the electrodes. In a planar state, light reflected by the electrodes is absorbed by the circular polarizer, and a black display is made. In a focal-conic state, light reflected by the electrodes passes through the circular polarizer, and a white display is made. The liquid crystal is driven by a chain of voltage pulses including a reset step of resetting the liquid crystal to a homeotropic state, a selection step of selecting the alignment state of the liquid crystal under zero-volt application and an evolution step of causing the liquid crystal to evolve to the selected alignment state.
    • 具有圆偏振器和液晶显示器的液晶显示装置。 液晶显示器在基板之间具有小瓶向列型液晶层,并且在基板的相互相对的两侧形成电极和对准层。 液晶根据通过电极施加到其上的电压在平面取向状态和聚焦圆锥取向状态之间切换。 在平面状态下,由圆偏振器吸收由电极反射的光,并进行黑色显示。 在焦圆锥状态中,由电极反射的光通过圆偏振器,并进行白色显示。 液晶由一系列电压脉冲驱动,包括将液晶复位为垂直状态的复位步骤,在零伏应用下选择液晶的取向状态的选择步骤和使液体 晶体演化为选定的对准状态。
    • 3. 发明申请
    • Liquid crystal display
    • 液晶显示器
    • US20050140864A1
    • 2005-06-30
    • US11018981
    • 2004-12-21
    • Mitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi FurukawaTomoo Izumi
    • Mitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi FurukawaTomoo Izumi
    • C09K19/02G02F1/1335G02F1/137
    • G02F1/133504G02F1/13718G02F2001/133541G02F2203/02
    • A liquid crystal display apparatus having a circular polarizer (composed of a linear polarizer and a retardation film), a scattering layer and a liquid crystal display which are stacked one upon another. The liquid crystal display has a chiral nematic liquid crystal layer between substrates, and electrodes and aligning layers are provided on mutually opposite surfaces of the substrates. The chiral nematic liquid crystal changes between a planar state and a focal-conic state in accordance with a voltage applied thereto through the electrodes. When the liquid crystal is in a planar state, light reflected by the electrode formed on the substrate located farther from an observing side is absorbed in the circular polarizer, and a black display is made. When the liquid crystal is in a focal-conic state, light reflected by the electrode formed on the substrate located farther from the observing side passes through the circular polarizer, and a white display is made. In this moment, the light reflected by the electrode is scattered by a scattering layer, and the directivity of the reflected light is weakened.
    • 具有彼此层叠的圆偏振器(由线偏振器和延迟膜构成),散射层和液晶显示器的液晶显示装置。 液晶显示器在基板之间具有手性向列型液晶层,并且电极和对准层设置在基板的彼此相对的表面上。 根据通过电极施加到其上的电压,手征向列液晶在平面状态和焦点锥形状态之间变化。 当液晶处于平面状态时,形成在远离观察侧的基板上形成的电极的光被圆偏振器吸收,并进行黑色显示。 当液晶处于焦锥状态时,由形​​成在远离观察侧的基板上形成的电极反射的光通过圆偏振片,并进行白色显示。 此时,由电极反射的光被散射层散射,反射光的方向性变弱。
    • 5. 发明授权
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US07274348B2
    • 2007-09-25
    • US10865217
    • 2004-06-10
    • Tomoo IzumiMitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi Furukawa
    • Tomoo IzumiMitsuyoshi MiyaiJun YamadaMasakazu OkadaKeiichi Furukawa
    • G09G3/36
    • G09G3/3629G02F1/13718G09G2300/0486G09G2310/06G09G2320/02
    • A liquid crystal display apparatus which have a circular polarizer and a liquid crystal display in a stack. The liquid crystal display has a chilral nematic liquid crystal layer between substrates, and on the mutually opposite sides of the substrates, electrodes and aligning layers are formed. The liquid crystal switches between a planar alignment state and a focal-conic alignment state depending on the voltage applied thereto through the electrodes. In a planar state, light reflected by the electrodes is absorbed by the circular polarizer, and a black display is made. In a focal-conic state, light reflected by the electrodes passes through the circular polarizer, and a white display is made. The liquid crystal is driven by a chain of voltage pulses including a reset step of resetting the liquid crystal to a homeotropic state, a selection step of selecting the alignment state of the liquid crystal under zero-volt application and an evolution step of causing the liquid crystal to evolve to the selected alignment state.
    • 具有圆偏振器和液晶显示器的液晶显示装置。 液晶显示器在基板之间具有小瓶向列型液晶层,并且在基板的相互相对的两侧形成电极和对准层。 液晶根据通过电极施加到其上的电压在平面取向状态和聚焦圆锥取向状态之间切换。 在平面状态下,由圆偏振器吸收由电极反射的光,并进行黑色显示。 在焦圆锥状态中,由电极反射的光通过圆偏振器,并进行白色显示。 液晶由一系列电压脉冲驱动,包括将液晶复位为垂直状态的复位步骤,在零伏应用下选择液晶的取向状态的选择步骤和使液体 晶体演化为选定的对准状态。