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    • 2. 发明授权
    • Method and apparatus for driving electrochromic display device
    • 用于驱动电致变色显示装置的方法和装置
    • US4060974A
    • 1977-12-06
    • US701971
    • 1976-07-01
    • Minoru NatoriToshikazu HatuseKouhei KawanobeHiroshi OgawaFukuo SekiyaHeihachiro EbiharaMisao Uchino
    • Minoru NatoriToshikazu HatuseKouhei KawanobeHiroshi OgawaFukuo SekiyaHeihachiro EbiharaMisao Uchino
    • G04G9/00G04G19/04G04C3/00
    • G04G19/04G04G9/0047
    • A method and apparatus for driving an electrochromic display device in which an electric current is applied only to one of display elements for which non-coincidence exists between an initially applied display information signal and a subsequently applied display information signal. In one preferred embodiment, a driver circuit comprises a latch circuit for storing a display information signal, a non-coincidence detection circuit for detecting non-coincidence between a subsequently applied display information signal and an initially applied display information signal stored in the latch circuit, and a signal generating circuit responsive to a non-coincidence signal from the detection circuit for generating an output signal for a display element for which non-coincidence is detected. In another preferred embodiment, a driver circuit comprises a latch circuit for generating an output at the instant delayed from a display information signal, and gate means for generating an output signal in response to the display information signal and the output from the latch circuit.
    • 一种用于驱动电致变色显示装置的方法和装置,其中仅对最初施加的显示信息信号和随后应用的显示信息信号之间不重合的显示元件之一施加电流。 在一个优选实施例中,驱动器电路包括用于存储显示信息信号的锁存电路,用于检测随后施加的显示信息信号和存储在锁存电路中的初始施加的显示信息信号之间的不一致的非重合检测电路, 以及响应于来自检测电路的不一致信号的信号发生电路,用于产生检测不一致的显示元件的输出信号。 在另一个优选实施例中,驱动器电路包括用于在从显示信息信号延迟的瞬间产生输出的锁存电路,以及响应于显示信息信号和来自锁存电路的输出产生输出信号的门装置。
    • 4. 发明授权
    • Electronic timepiece with an electrochromic display
    • 具有电致变色显示的电子钟表
    • US4148015A
    • 1979-04-03
    • US733491
    • 1976-10-18
    • Fukuo SekiyaHeihachiro EbiharaKatsuo Nishimura
    • Fukuo SekiyaHeihachiro EbiharaKatsuo Nishimura
    • G02F1/163G04G9/00G09G3/16G09F9/32
    • G09G3/16G02F1/163G04G9/0047
    • A driver circuit for an electrochromic display device for an electronic timepiece. In a first preferred embodiment, drive signals are applied through a plurality of source follower first and second metal oxide semiconductor field effect transistors to segment electrodes of the electrochromic display device. The first and second transistors have source electrodes connected together and also connected to the segment electrode to lower the voltage being applied across the segment electrode and a common electrode to drive the display device at a lower voltage. In a second preferred embodiment, the common electrode of the display device is alternately coupled to the high and low potentials of the battery by means of an inverter circuit composed of source follower transistors, which function to reduce the voltage being applied across the segment electrodes and the common electrode.
    • 一种用于电子时计的电致变色显示装置的驱动电路。 在第一优选实施例中,通过多个源极跟随器第一和第二金属氧化物半导体场效应晶体管施加驱动信号以分割电致变色显示装置的电极。 第一和第二晶体管具有连接在一起的源电极,并且还连接到段电极以降低施加在段电极上的电压和公共电极,以在较低的电压下驱动显示器件。 在第二优选实施例中,显示装置的公共电极通过由源极跟随器晶体管组成的反相器电路交替地耦合到电池的高电位和低电位,该源极跟随器晶体管的作用是减小跨越段电极施加的电压, 公共电极。
    • 6. 发明授权
    • Driver circuit for electrochromic display device
    • 电致变色显示装置的驱动电路
    • US4096412A
    • 1978-06-20
    • US709111
    • 1976-07-27
    • Fukuo SekiyaHeihachiro EbiharaMisao UchinoKatsuo NishimuraTakanori Nanya
    • Fukuo SekiyaHeihachiro EbiharaMisao UchinoKatsuo NishimuraTakanori Nanya
    • G04G9/00G09G3/16H05B33/08G09F9/30
    • H05B33/08G04G9/0047G09G3/16
    • A driver circuit for an electrochromic display device having segment electrodes and a common electrode adapted to display information in response to a display information signal. The driver circuit comprises a storage means for generating first and second output signals delayed in phase from the display information signal. A bleaching signal generating means is responsive to the first output signal, and a coloration signal generating means is responsive to the second output signal. First and second switching means are coupled to receive a bleaching signal and a coloration signal, causing an electric current to flow each of the segment electrodes in directions to induce bleaching and coloration, respectively. An auxiliary signal is applied to the first and second switching means to cause a segment to remain in its previously activated state for an extended period of time.
    • 一种用于具有段电极和公共电极的电致变色显示装置的驱动电路,其适于响应于显示信息信号显示信息。 驱动器电路包括用于从显示信息信号产生相位延迟的第一和第二输出信号的存储装置。 漂白信号发生装置响应于第一输出信号,着色信号发生装置响应于第二输出信号。 第一和第二开关装置被耦合以接收漂白信号和着色信号,使得电流分别沿着方向流过各段电极以诱导漂白和着色。 辅助信号被施加到第一和第二切换装置,以使片段长时间保持在其预先激活的状态。