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    • 2. 发明授权
    • Variable color complementary display device using anti-parallel light emitting diodes
    • 可变色互补显示器件采用反并联发光二极管
    • US06414662B1
    • 2002-07-02
    • US09416831
    • 1999-10-12
    • Karel Havel
    • Karel Havel
    • G09G332
    • G09G3/14G09G3/045G09G2320/0606G09G2320/0666
    • A variable color complementary display device includes a plurality of display areas arranged in a pattern for selectively exhibiting a plurality of display units. Each display area includes a plurality of pairs of light emitting diodes for emitting, when forwardly biased, light signals of respective primary colors and a device for combining the light signals in the display area to obtain a light signal of a composite color. Each pair includes a first light emitting diode and a second light emitting diode, both of the same color, connected in an anti-parallel fashion such that their polarities are opposite. A device is provided for selectively forwardly biasing the first light emitting diodes, for illuminating certain of the display areas in a display color. The second light emitting diodes in the remaining display areas are automatically illuminated in a complementary color.
    • 可变颜色互补显示装置包括以图案排列的多个显示区域,用于选择性地展示多个显示单元。 每个显示区域包括多对发光二极管,用于当向前偏置各自原色的光信号时发射,并且用于在显示区域中组合光信号以获得复合颜色的光信号。 每对包括以反并联方式连接的相同颜色的第一发光二极管和第二发光二极管,使得它们的极性相反。 提供了用于选择性地向前偏置第一发光二极管的装置,用于以显示颜色照亮某些显示区域。 剩余显示区域中的第二发光二极管以互补色自动照亮。