Back in September 2000, Universal Display (UDC) licensed 74 OLED related patents from Motorola. Today the company announced that it will purchase those patents, and so terminate the license agreement and stop paying royalties to Motorola.
Here's a full list of those patents:
Date US Patent# Description
03/26/2002 6,362,566 Organic electroluminescent apparatus
12/04/2001 6,326,640 Organic thin film transistor with enhanced carrier mobility
12/04/2001 6,326,224 Method of purifying a primary color generated by an OED
02/27/2001 6,194,089 Organic electroluminescent device with improved reliability
11/07/2000 6,144,157 Organic EL device with fluorocarbon liquid and UV epoxy...
10/31/2000 6,140,764 Organic electroluminescent apparatus with microcavity
10/17/2000 6,133,692 White light generating organic electroluminescent device...
10/10/2000 6,130,001 Organic electroluminescent device with continuous organic...
09/05/2000 6,114,055 Organic Electroluminescent Device with Continious Organic...
08/29/2000 6,111,361 Light Emitting Appartus and Method of Fabrication
08/29/2000 6,111,270 Light Emitting Apparatus and Method of Fabrication
08/22/2000 6,107,736 Organic Electroluminescent Display Device and Method...
07/04/2000 6,084,347 Multicolored Organic Electroluminescent Display
07/04/2000 6,083,634 New Organometallic Complexes for use in Light Emitting Devices
06/27/2000 6,081,071 Electroluminescent Apparatus and Methods of Manufacturing...
06/22/2000 6,080,031 Methods of Encapsulating Electroluminescent Apparatus...
06/13/2000 6,075,316 Full Color Organic Electroluminescent Display Device...
05/16/2000 6,064,151 Organic Electroluminescent Device with Enhanced Performance
01/11/2000 6,013,383 Organic Electroluminescent Device with Improved Hole...
12/09/1999 5,998,805 Active Matrix OED Array with Improved OED Cathode
11/16/1999 5,985,417 Polymer Stabilized Molecular Hole Transporting Materials...
11/02/1999 5,977,704 Organic Electroluminescent Display with Icons
10/12/1999 5,965,907 Full Color Organic Light Emitting Backlight Device for Liquid...
09/07/1999 5,949,187 Organic electroluminescent device with plural microcavities
07/27/1999 5,929,845 Image Scanner and Display Apparatus
07/27/1999 5,929,474 Active Matrix OED Array
07/20/1999 5,925,980 Organic Electroluminescent Device with Graded Region
07/13/1999 5,923,308 An Array of LEDs with Active Pull Down Shadow Cancelling...
05/11/1999 5,902,677 Modified Anode for a Display Device
04/13/1999 5,893,721 Active Matrix LED Array and Methods of Manufacture
03/30/1999 5,888,662 Modified Electrodes for Display Devices
03/23/1999 5,886,464 Organic Electroluminescent Device with Emission From Hole ...
02/23/1999 5,874,804 Organic Electroluminescent Device Hermetic Encapsulation...
02/23/1999 5,873,760 Method of forming an electroluminescent array
02/02/1999 5,866,922 Color Display with Integrated Semiconductor LEDs and Organic...
12/29/1998 5,853,905 Effiicent Single Layer Electroluminescent Device
10/13/1998 5,821,692 Organic Electroluminescent Device Hermetic Encapsulation...
10/06/1998 5,817,431 Electron Injecting Materials for Organic Electroluminescent...
09/22/1998 5,811,177 Passivation of Electroluminescent Organic Devices
09/08/1998 5,804,322 Organic Electroluminescence Device with Mixed Hole...
06/30/1998 5,773,931 Organic Electroluminescent Device and Method of Making Same
06/30/1998 5,773,929 Organic EL Device with Dual Doping Layers
06/30/1998 5,773,130 Multi-Color Organic Electroluminescent Device
06/30/1998 5,771,562 Passivation of Organic Devices
05/26/1998 5,757,126 Passivated Organic Device Having Alternating Layers of Polymer...
05/05/1998 5,748,160 Active Driven LED Matrices
05/05/1998 5,747,363 Integrated Electro-Optical Package
05/05/1998 5,747,183 Organic Electroluminescent Light Emitting Material and Device...
04/07/1998 5,736,754 Full Color Organic Light Emitting Diode Array
03/24/1998 5,731,661 Passivation of Electroluminescent Organic Devices
03/03/1998 5,723,950 Pre-Charge Driver for Light Emitting Devices and Method
02/17/1998 5,719,589 Organic Light Emitting Diode Array Drive Apparatus
01/06/1998 5,705,285 Multicolored Organic Electroluminescent Display
12/30/1997 5,703,394 Integrated Electro-Optical Package
12/02/1997 5,693,962 Full Color Organic Light Emitting Diode Array
12/02/1997 5,693,956 Inverted OLEDs on Hard Plastic Substrate
11/11/1997 5,686,360 Passivation of Organic Devices
11/04/1997 5,684,368 Smart Driver for an Array of LEDs
10/28/1997 5,681,756 Method of Fabricating an Integrated Multicolor Organic LED Array
10/28/1997 5,681,659 Organometallic Flourescent Complex Polymers for Light...
10/14/1997 5,677,545 Organic Light Emitting Diodes with Molecular Alignment...
09/16/1997 5,668,438 Organic Electroluminescent Device with Emission From Hole...
09/09/1997 5,665,857 A Conjugated Polymer with Built-In Flourscent Centers...
08/12/1997 5,656,508 Method of Making Two Dimensional Organic Light Emitting...
06/24/1997 5,641,611 Method of Fabricating Organic LED Matrices
03/18/1997 5,612,228 Method of Making CMOS with Organic and Inorganic...
12/24/1996 5,587,589 Two Dimensional Organic Light Emitting Diode Array for High...
12/10/1996 5,583,349 Full Color Light Emitting Diode Display
09/03/1996 5,552,547 Organometallic Complexes with Built-in Flourscent Dyes for use...
04/02/1996 5,504,183 Organometallic Fluorescent Complex Polymers for Light Emitting...
01/23/1996 5,486,406 Green-Emitting Organometallic Complexes for use in Light...
12/05/1995 5,473,047 Soluble Precursor to Poly (cyanoterephthalydene) and Method...
06/13/1995 5,424,560 Integrated Multi-Color Organic LED Array
09/20/1994 5,349,209 Diamond/Organic LED
