JP2008145624A5

JP2008145624A5 -

Info

Publication number: JP2008145624A5
Application number: JP2006331347A
Authority: JP
Filing date: 2006-12-08
Publication date: 2009-10-22
Anticipated expiration: 2026-12-08

Claims

A substrate having a plurality of light emitting elements arranged in an effective region;
A signal bus line extending in the same direction as one side of the effective area and transmitting a data signal supplied from the outside;
A signal supply line for branching from the signal bus wiring and supplying the data signal to the light emitting elements;
A power supply wiring for supplying a power supply voltage to each of the light emitting elements;
Have
The power supply wiring includes a main power supply wiring extending in the same direction as the signal bus wiring, a sub power supply wiring that is narrower than the main power supply wiring and branched from the main power supply wiring, the sub power supply wiring, and the light emitting elements. A power supply line connecting
The main power supply wiring is disposed on the opposite side of the effective area across the signal bus wiring,
Light emitting device.

The signal supply line has a first signal supply line branched from the signal bus wiring and a second signal supply line connected to each light emitting element,
The data signal is provided between the first signal supply line and the second signal supply line, and selectively outputs the data signal to each light emitting element by being turned on or off according to a control signal. A switching element to be supplied;
A control circuit that is disposed closer to the end of the substrate than the switching element and generates the control signal;
Further comprising
The sub power supply wiring has a first sub power supply wiring and a second sub power supply wiring, and a plurality of the first sub power supply wirings are arranged to transfer the power supply voltage from the main power supply wiring to the second sub power supply wiring. The second sub-power supply line extends in the same direction as the signal bus line, and is connected to the power supply line,
The second sub power supply wiring is disposed on the effective region side with respect to the switching element,
The light emitting device according to claim 1.

The number of switching elements corresponding to the number of the signal bus wires is simultaneously turned on or off by the control signal,
The first sub power supply wiring is disposed so as to pass through a gap between the adjacent switching elements every integer multiple of the number of the signal bus wirings.
The light emitting device according to claim 2.

The control circuit is disposed closer to the end of the substrate than the main power supply wiring.
The light emitting device according to claim 2.

  M scanning lines extending in a first direction;
  N data lines extending in a second direction intersecting the first direction;
  N feeders extending in the second direction;
  A plurality of light emitting devices arranged corresponding to intersections of the m scanning lines and the n data lines;
  A terminal to which image data is supplied from the outside;
  A plurality of selection units controlled by a dot sequential drive system or a line sequential drive system;
  A power supply wiring electrically connected to the n power supply lines for supplying a power supply voltage to the plurality of light emitting elements;
Have
  Each of the plurality of selection units is provided corresponding to three data lines of the n data lines, and is electrically connected between the three data lines and the terminal. Has been
  The power supply wiring is
  A main power supply line extending in the first direction;
  A plurality of first sub-power lines provided in a gap between adjacent selection units among the plurality of selection units, and branched from the main power source wiring and extending in the second direction;
  A second sub power supply line extending in the first direction and electrically connecting the n power supply lines and the plurality of first sub power supply lines;
A light emitting device.

  A control signal wiring for supplying a control signal for controlling each of the plurality of selection units;
  The second sub power supply wiring is arranged so as not to intersect the control signal wiring.
  The light emitting device according to claim 5.

  Each of the plurality of selection units is
  A first switching element provided between a first data line of the three data lines and the terminal;
  A second switching element provided between a second data line of the three data lines and the terminal;
  A third switching element provided between a third data line of the three data lines and the terminal;
With
  The first to third switching elements are arranged between the adjacent first sub power supply lines among the plurality of first sub power supply lines, and are disposed in the main power supply line and the second sub power supply line. The light emitting device according to claim 5.

An electronic apparatus comprising: a light-emitting device according to any one of claims 1 to 7.