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Light emitting device and method for driving thereof

  • US 9,099,020 B2
  • Filed: 03/25/2013
  • Issued: 08/04/2015
  • Est. Priority Date: 04/26/2005
  • Status: Active Grant
First Claim
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1. A display device comprising:

  • a plurality of pixels;

    a plurality of source signal lines electrically connected to the plurality of pixels; and

    a source driver electrically connected to the plurality of source signal lines, wherein the source driver includes a shift register, an image signal input line configured to input a video signal, a wiring configured to input a control signal, a plurality of first switches, a plurality of second switches, and a plurality of third switches,wherein each of the plurality of third switches includes a control terminal and is configured to turn on or off in accordance with a signal input to the control terminal,wherein the control terminal of each of the plurality of third switches is connectable to an output terminal of the shift register through a corresponding one of the plurality of first switches and is also connectable to a power source through a corresponding one of the plurality of second switches,wherein the image signal input line is connectable to the plurality of source signal lines through the plurality of third switches,wherein the wiring is electrically connected to a control terminal of each of the plurality of first switches and a control terminal of each of the plurality of second switches so that when the plurality of first switches is turned on, the plurality of second switches is turned off, and when the plurality of first switches is turned off, the plurality of second switches is turned on,wherein the control terminal of each of the plurality of first switches is electrically connected to the control terminal of each of the plurality of second switches through an inverter,wherein one of the plurality of second switches is connected to the control terminal of only one of the plurality of third switches, andwherein the one of the plurality of second switches is directly connected to the control terminal of only one of the plurality of third switches.

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