Organic EL display unit and electronic apparatus
View Patent ↗An organic EL display unit applying a bottom-emission structure which takes light emitted from organic EL devices from the reverse side of a substrate on which pixel circuits are formed, includes: a color filter formed on the pixel circuit; and a metal wiring formed so as to surround the periphery of the color filter, wherein the metal wiring is set to an anode potential of the organic EL device.
1. An organic EL display unit applying a bottom-emission structure which takes light emitted from organic EL devices from the reverse side of a substrate on which pixel circuits are formed, comprising:
a color filter formed on the pixel circuit; and
a metal wiring formed so as to surround the periphery of the color filter,
wherein the metal wiring is set to an anode potential of the organic EL device.
2. The organic EL display unit according to claim 1 ,
wherein the metal wiring is formed along a peripheral portion of the color filter.
3. The organic EL display unit according to claim 2 ,
wherein the metal wiring is formed so as to overlap with the peripheral portion of the color filter.
4. The organic EL display unit according to claim 3 ,
wherein the metal wiring overlaps with the peripheral portion of the color filter by the thickness of a film of the color filter or more.
5. The organic EL display unit according to claim 1 ,
wherein the pixel circuit includes
a write transistor writing a signal voltage into the pixel;
a storage capacitor storing the signal voltage written by the write transistor;
a drive transistor one source/drain electrode of which is connected to an anode electrode of the organic EL device and driving the organic EL device based on a stored voltage of the storage capacitor.
6. The organic EL display unit according to claim 5 ,
wherein the metal wiring is set to the same potential as a potential of the one source/drain electrode of the drive transistor.
7. The organic EL display unit according to claim 6 ,
wherein the metal wiring is the wiring of the one source/drain electrode of the drive transistor.
8. The organic EL display unit according to claim 7 ,
wherein the other source/drain electrode of the drive transistor is connected to a power supply line selectively supplying a first power supply potential and a second power supply potential which is lower than the first power supply potential,
the first power supply potential is a power supply potential for supplying drive current driving the organic EL device to emit light to the drive transistor, and
the second power supply potential is a power supply potential for applying reverse bias to the organic EL device.
9. The organic EL display unit according to claim 1 ,
wherein the color filter is an on-chip color filter.
10. An electronic apparatus comprising:
an organic EL display unit applying a bottom-emission structure which takes light emitted from organic EL devices from the reverse side of a substrate on which pixel circuits are formed, which includes
a color filter formed on the pixel circuit and
a metal wiring formed so as to surround the periphery of the color filter,
wherein the metal wiring is set to an anode potential of the organic EL device.