Display device and electronic apparatus
A display device including: a plurality of sub-pixels arranged in a matrix, each including an electro-optical element having a structure in which a display functional layer is sandwiched between an upper electrode and a lower electrode; and an auxiliary interconnect contact in a pixel area in which the plurality of sub-pixels are arranged in a matrix and electrically connecting the upper electrode to an auxiliary interconnect, wherein m (m is an integer equal to or larger than two) sub-pixels adjacent to each other along an arrangement direction of the sub-pixels are regarded as one group, and n (n is a natural number smaller than m) auxiliary interconnect contacts are formed for each group.
1. A display device, comprising:
a plurality of sub-pixels in a pixel region, the plurality of sub-pixels divided into a plurality of groups, each group including at least a first sub-pixel and a second sub-pixel adjacent to each other along a first direction, each sub-pixel including a light emitting element;
an upper electrode common to all sub-pixels;
and
potential lines extending in the first direction and a second direction crossing the first direction and defining an auxiliary interconnect in a form of a rectangular frame in a plan view, each sub-pixel being arranged within the rectangular frame in the plan view,
wherein, for each sub-pixel group,
the first sub-pixel and the second sub-pixel are arranged within an opening in the rectangular frame in the plan view,
the first sub-pixel has a first lower electrode electrically connected to a first pixel circuit via a first contact which, in a cross section, extends from the first lower electrode to the first pixel circuit,
the second sub-pixel has a second lower electrode electrically connected to a second pixel circuit via a second contact which, in the cross section, extends from the second lower electrode to the second pixel circuit,
the auxiliary interconnect is electrically connected to the upper electrode by means of a third contact which, in the cross section, extends from the upper electrode to the auxiliary interconnect, and
the first contact and the second contact are disposed to face each other along the first direction.
2. The display device of claim 1 , wherein each of the first lower electrode and the second lower electrode is an anode electrode and the upper electrode is a cathode electrode.
3. The display device of claim 1 , wherein, in the cross section, the potential lines and the first and second lower electrodes are disposed in a same layer, but isolated from each other.
4. The display device of claim 1 , wherein, in the cross section, the potential lines and the first and second lower electrodes are disposed in different layers and isolated from each other.
5. The display device of claim 1 , wherein, in the cross section, the potential lines and the first and second pixel circuits are disposed in a same layer.
6. The display device of claim 1 , wherein the upper electrode has an upper planar surface extending continuously over all of the subpixels.
7. The display device of claim 1 , wherein the first sub-pixel and the second sub-pixel share a same continuously planar light emitting layer.