One-way transparent display
A transparent emissive device is provided. The device may include one or more OLEDs having an anode, a cathode, and an organic emissive layer disposed between the anode and the cathode. In some configurations, the OLEDs may be non-transparent. The device may also include one or more locally transparent regions, which, in combination with the non-transparent OLEDs, provides an overall device transparency of 5% or more.
1. A device comprising:
a light emitting surface comprising a first region and a second region;
wherein the device transmits light through the first region and emits light from the second region, wherein the first region is transparent and the second region is substantially non-transparent, regardless of power being applied to the device; and
wherein the device has an overall transparency of at least 5%.
2. The device as recited in claim 1 , wherein the device is a display.
3. The device as recited in claim 2 , wherein the device is a full-color display.
4. The device as recited in claim 1 , wherein the second region has a local transparency of less than 5%.
5. The device as recited in claim 1 , wherein the second region has a local transparency of less than 1%.
6. The device as recited in claim 1 , wherein the device has an overall transparency of at least 10%.
7. The device as recited in claim 1 , wherein the second region has a local transparency of less than 1% and wherein the device has an overall transparency of at least 10%.
8. The device as recited in claim 1 , wherein the device comprises a plurality of OLEDs, each of the plurality of OLEDs configured to emit light through the first region of the light emitting surface.
9. The device as recited in claim 8 , wherein each of the plurality of OLEDs is configured to emit light only through the first region.
10. The device as recited in claim 9 , wherein the device is a full-color display.
11. The device as recited in claim 9 , wherein the second region has a local transparency of less than 5%.
12. The device as recited in claim 9 , wherein the device has an overall transparency of at least 10%.
13. The device as recited in claim 8 , wherein the plurality of OLEDs occupy not more than about 75% of the total area of the display.
14. The device as recited in claim 13 , wherein at least 70% of the area of the display not occupied by the plurality of OLEDs has a local transparency of at least 25%.
15. The device as recited in claim 13 , wherein at least 70% of the area of the display not occupied by the plurality of OLEDs has a local transparency of at least 50%.
16. The device as recited in claim 13 , wherein the device comprises a plurality of regions, each region containing:
one or more of the plurality of OLEDs; and
a transparent region having a local transparency of at least 25%.
17. The device as recited in claim 16 , wherein transparent regions within the plurality of regions together occupy at least 25% of the total area of the light emitting surface.
18. The device as recited in claim 8 , wherein the device is an AMOLED display.
19. The device as recited in claim 8 , wherein each of the plurality of OLED devices is a white-emitting device, further comprising a color filter layer disposed over each of the plurality of OLED devices.
20. The device as recited in claim 1 , wherein the display comprises a plurality of OLED devices disposed on a plastic substrate.
21. The device as recited in claim 1 , wherein the device is flexible.
22. The device as recited in claim 1 , further comprising a single layer barrier encapsulation layer disposed over the first surface of the device.
23. The device of claim 1 , wherein the first region comprises an emissive layer and no more than one electrode.