Organic optoelectronic device and method
View Patent ↗An optoelectronic system comprising a flexible optoelectronic device, wherein the device comprises a flexible plastic substrate, a coating comprising a glass or a polymer, positioned over the flexible plastic substrate, an anode and a cathode positioned over the coating, an organic heterojunction positioned between the anode and the cathode, comprising a donor material and an acceptor material, and an encapsulating layer comprising a glass or a polymer, positioned over the anode and the cathode. The device further comprises a roller configured to roll the flexible optoelectronic device into a stored position and a frame configured to mount the roller and the optoelectronic device.
1 . An optoelectronic system, comprising:
a flexible optoelectronic device, comprising:
a flexible plastic substrate;
a coating comprising a glass or a polymer, positioned over the flexible plastic substrate;
an anode and a cathode positioned over the coating;
an organic heterojunction positioned between the anode and the cathode, comprising a donor material and an acceptor material; and
an encapsulating layer comprising a glass or a polymer, positioned over the anode and the cathode;
a cylindrical roller having a proximal end and a distal end, configured to roll the flexible optoelectronic device into a stored configuration about an axis extending from the proximal end to the distal end, and wherein the cylindrical roller is mounted to
a frame with a hinged portion.
2 . The system of claim 1 , wherein the frame comprises a collapsible support structure.
3 . The system of claim 1 , wherein the flexible optoelectronic device is at least semi-transparent to visible light.
4 . The system of claim 1 , wherein the frame has a height of at least eight feet.
5 . The system of claim 1 , further comprising a catchment reservoir positioned below the flexible plastic substrate.
6 . The system of claim 1 , wherein the flexible plastic substrate has a thickness in the range of 10-100 μm.
7 . The system of claim 1 , wherein the flexible optoelectronic device has less than 5% transparency for light greater than 700 nm.
8 . The system of claim 1 , wherein the flexible optoelectronic device is at least 95% transparent to red light.
9 . The system of claim 1 , wherein the flexible optoelectronic device is at least in the range of 40%-60% transparent to blue light.
10 . The system of claim 1 , wherein the flexible optoelectronic device is at least in the range of 10%-30% transparent to green light.
11 . The system of claim 1 , wherein the proximal end of the roller is mounted to the frame with the hinged portion.
12 . The system of claim 11 , wherein the hinged portion is configured to adjust the roller between a vertical configuration and a horizontal configuration, such that the roller is substantially parallel to the ground in the horizontal configuration, and wherein the roller is substantially orthogonal to the ground in the vertical configuration.
13 . The system of claim 1 , wherein the flexible optoelectronic device is positioned above a crop when the flexible optoelectronic device is in the extended configuration.
14 . An optoelectronic system, comprising:
a flexible optoelectronic device, comprising:
a flexible plastic substrate;
a coating comprising a glass or a polymer, positioned over the flexible plastic substrate;
an anode and a cathode positioned over the coating;
an organic heterojunction positioned between the anode and the cathode, comprising a donor material and an acceptor material; and
an encapsulating layer comprising a glass or a polymer, positioned over the anode and the cathode;
a cylindrical roller having a proximal end and a distal end, configured to roll the flexible optoelectronic device into a stored configuration about an axis extending from the proximal end to the distal end; and
a frame comprising first and second poles substantially parallel to each other, wherein the proximal end of the roller is mounted to the first pole with a hinged portion, wherein the hinged portion is configured to adjust the roller between a horizontal configuration and a vertical configuration, wherein the axis of the roller is substantially perpendicular to the first and second poles in the horizontal configuration, and wherein the axis of the roller is substantially parallel to the first and second poles in the vertical configuration, and wherein the second pole is positioned to contact the distal end of the roller in the horizontal configuration.
15 . The system of claim 1 , wherein the frame comprises first and second poles substantially parallel to each other, wherein the hinged portion is configured to adjust the cylindrical roller between a horizontal configuration and a vertical configuration, and wherein the axis of the cylindrical roller is substantially perpendicular to the first and second poles in the horizontal configuration.
16 . The system of claim 1 , wherein the frame comprises first and second poles substantially parallel to each other, wherein the hinged portion is configured to adjust the cylindrical roller between a horizontal configuration and a vertical configuration, and wherein the axis of the cylindrical roller is substantially parallel to the first and second poles in the vertical configuration.
17 . The system of claim 1 , wherein the frame comprises first and second poles substantially parallel to each other, wherein the proximal end of the cylindrical roller is mounted to the first pole with the hinged portion, wherein the hinged portion is configured to adjust the cylindrical roller between a horizontal configuration and a vertical configuration, and wherein the second pole is positioned to contact the distal end of the roller in the horizontal configuration.
18 . The system of claim 1 , further comprising a motor configured retract and deploy the flexible optoelectronic device.
19 . The system of claim 2 , wherein the collapsible support structure comprises a scissor arrangement.
20 . The system of claim 1 , further comprising a sensing device.