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Class 257/E51.008 - Controllable only by variation of electric current supplied or only electric potential applied to electrode carrying current to be rectified, amplified, oscillated, or switched (e.g., two terminal device) (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E51.003. This subclass
No. of patents: 2
Last issue date: 11/13/2007


NumberTitleIssue Date
7294849Materials and devices for blue phosphorescence based organic light emitting diodes
An OLED includes a wide gap inert host material doped with two dopants. One of the dopants is an emissive phosphorescent material that can transport either electrons or holes. The other dopant is a charge carrying material that can transport whichever of the electro... 		11/13/2007
5315129Organic optoelectronic devices and methods
Organic optoelectronic devices, such as a modulator (54) and a photodetector (73) comprising alternating layers (58) of two crystalline planar organic aromatic semiconductors (60 and 62), have been grown by organic molecular beam deposition. These organic... 		05/24/1994
 
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