System for displaying images
Systems for displaying images are provided. A representative system incorporates a light-emitting device is disclosed. The light emitting device comprises a plurality of rows of pixels are disposed on a substrate, wherein each of the pixels comprises an anode and an organic light emitting layer disposed overlying the anode. A primary cathode layer is disposed on the rows of the pixels, electrically connecting thereof. A plurality of patterned auxiliary cathodes are disposed on the primary cathode layer, and between each two rows of pixels.
1 . A system for displaying images, comprising:
a light-emitting device, comprising:
a first substrate;
a plurality rows of pixels disposed overlying the substrate, wherein each of the pixels comprises an anode and an organic light emitting layer disposed overlying the anode;
a primary cathode layer disposed overlying the rows of the pixels, and electrically connecting thereof, and
a plurality of patterned auxiliary cathodes disposed overlying the primary cathode layer, and between each two rows of pixels.
2 . The system as claimed in claim 1 , wherein the patterned auxiliary cathodes are electrically connected to a conductive pad to supply current to the organic light emitting layer.
3 . The system as claimed in claim 1 , wherein the patterned auxiliary cathodes are strips, and each strip extends along each row.
4 . The system as claimed in claim 3 , wherein one of the strips is constituted by a plurality of separated smaller strips.
5 . The system as claimed in claim 4 , wherein the strips are electrically connected to a conductive pad to supply current to the organic light emitting layer.
6 . The system as claimed in claim 1 , wherein the patterned auxiliary cathodes are thicker than the primary cathode layer.
7 . The system as claimed in claim 6 , wherein the thickness of primary cathode layer is about 20 Ř500 Å, and the thickness of patterned auxiliary cathodes are about 1000 Ř7000 Å.
8 . The system as claimed in claim 1 , wherein the patterned auxiliary cathodes comprise Ag, Al, Li, Ca, In, ITO and IZO.
9 . The system as claimed in claim 1 , further comprising a reflective layer interposed between the pixels and the substrate.
10 . The system as claimed in claim 1 , further comprising:
a protective layer disposed overlying the patterned auxiliary cathodes and the primary cathode layer;
a gap filling layer disposed overlying the protective layer;
a second substrate disposed overlying the gap filling layer; and
a sealing layer sealing the light-emitting device.
11 . The system as claimed in claim 1 , further comprising a display panel, wherein the light-emitting device forms a portion of the display panel.
12 . The system as claimed in claim 1 , further comprising an electronic device, wherein the electronic device comprises:
the display panel; and
an input unit coupled to the display panel and operative to provide input to the display panel such that the display panel displays images.
13 . A system for displaying images, comprising:
a light-emitting device, comprising:
a substrate;
a plurality of rows of pixels disposed overlying the substrate, wherein each of the pixels comprises an anode and an organic light emitting layer;
a primary cathode layer disposed overlying the rows of pixels, and electrically connecting thereof; and
a plurality of patterned auxiliary cathodes disposed overlying the primary cathode layer, and between each two rows of pixels,
wherein the patterned auxiliary cathodes are conductive lines, electrically connected to a conductive pad to supply current to the organic light emitting layer;
wherein resistance of patterned auxiliary cathodes is lower than the primary cathode layer.
14 . The system as claimed in, claim 13 , wherein the patterned auxiliary cathodes comprise Ag, Al, Li, Ca, In, ITO and IZO.
15 . The system as claimed in claim 13 , wherein the thickness of the primary cathode layer is about 100 Ř500 Å.
16 . The system as claimed in claim 13 , wherein the thickness of the patterned auxiliary cathodes are about 2000 Ř7000 Å.
17 . The system as claimed in claim 13 , further comprising a display panel, wherein the light-emitting device forms a portion of the display panel.
18 . The system claimed in claim 17 , further comprising an electronic device, wherein the electronic device comprises:
the display panel; and
an input unit coupled to the display panel and operative to provide input to the display panel such that the display panel displays images.