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Class 257/E51.021 - Arrangements for extracting light from device (e.g., Bragg reflector pair) (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E51.019. This subclass
No. of patents: 5
Last issue date: 09/16/2008


NumberTitleIssue Date
7425730Organic electro-luminescent display and fabrication method thereof
In an organic electro-luminescent display, a pixel circuit is disposed in a unit pixel region defined on a substrate. A passivation layer covers the entire unit pixel region including the pixel circuit. An organic light emitting diode (“OLED”) including a transp...
09/16/2008
7291864Single or multi-color high efficiency light emitting diode (LED) by growth over a patterned substrate
A single or multi-color light emitting diode (LED) with high extraction efficiency is comprised of a substrate, a buffer layer formed on the substrate, one or more patterned layers deposited on top of the buffer layer, and one or more active layers formed on or betw...
11/06/2007
7148516Color-tunable light emitter
The color-tunable light emitter has a first electrode and a light-generating layer adjacent the first electrode. The light-generating layer is operable to generate light in a band of wavelengths. The color-tunable light emitter also includes an electro-optical layer...
12/12/2006
7144748Electronic assembly/system with reduced cost, mass, and volume and increased efficiency and power density
An LED display assembly, comprising a grid of electrical conductors; light emitting diodes in association with the grid and in electrical communication with the conductors that provide power for LED operation, the grid operable to receive heat from the diodes during...
12/05/2006
7105858Electronic assembly/system with reduced cost, mass, and volume and increased efficiency and power density
An LED display assembly, comprising a grid of electrical conductors; light emitting diodes in association with the grid and in electrical communication with the conductors that provide power for LED operation, the grid operable to receive heat from the diodes during...
09/12/2006
 
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