| Patent Number |
Title Of Patent |
Date Issued |
| 7553592 |
Photoreceptor with electron acceptor |
June 30, 2009 |
| An electrophotographic imaging member includes at least one layer including a hole transport material and a strong electron acceptor material, such as an electrophotographic imaging member including a substrate, a charge generating layer, a hole transport layer, and an optional overc |
| 7553559 |
Hexatriene derivatives for use as blue emitting materials for organic electroluminescent devices |
June 30, 2009 |
| Novel organic light emitting devices (OLEDs) with hexatriene derivative compounds that allow for the creation of brighter, more efficient, and more stable blue light emitting device. The class of compounds used in this novel class of OLEDs include compounds selected from the group co |
| 7449831 |
OLEDs having inorganic material containing anode capping layer |
November 11, 2008 |
| An organic light emitting device composed of: a cathode; a layer including an organic electroluminescent material; a layer including an electron accepting material; an anode capping layer comprising an inorganic material; an anode; and a substrate in the sequence before the cathode or |
| 7449830 |
OLEDs having improved luminance stability |
November 11, 2008 |
| An organic light emitting device composed of: a cathode; a layer including an organic electroluminescent material and a charge transport material; a layer including an electron accepting material; an anode capping layer; an anode; and a substrate in the sequence before the cathode or aft |
| 7438981 |
Indenofluorene compounds and organic electroluminescent devices using the same |
October 21, 2008 |
| An organic electroluminescent material and a device using the same wherein the electroluminescent material is a charge transport indenofluorene selected from one of Formula (I) and Formula (II) ##STR00001## wherein R and R' are independently selected from the group consisting of a |
| 7402346 |
Organic electroluminescent devices |
July 22, 2008 |
| An organic electroluminescent device comprising an anode, an electroluminescent region, and a cathode. The luminescent region comprises a light-emitting material of Formula I ##STR00001## wherein R.sub.1 is independently selected from the group consisting of a hydrogen, an alkyl gro |
| 7352125 |
Organic light emitting devices with hole impeding materials |
April 1, 2008 |
| An organic electroluminescent device includes an anode, a cathode, and a light emitting zone including a hole transport region and an electron transport region. The hole transport region include a hole impeding material located non-adjacent the anode. |
| 7291404 |
Organic light emitting devices |
November 6, 2007 |
| The present invention is an organic light emitting device (OLED) comprising an anode, a cathode and a luminescent region provided between the anode and the cathode. The luminescent region comprises an electron injection and transporting zone and at least one of a hole injection and t |
