Abstract: The present invention relates to organic light emitting devices (OLEDs), and more specifically to efficient OLEDs comprising an array of pixels and having reduced pixel shrinkage. The devices of the present invention comprise further relates to materials for use as emissive materials which give reduced shrinkage when incorporated into an OLED.

Abstract: A cathode adapted for use in an organic optoelectronic device is provided. The cathode has an electron injection layer, an organic buffer layer, a conducting layer, and a transparent conductive oxide layer disposed, in that order, over the organic operative layers of the optoelectronic device. A method of fabricating the cathode is also provided.

Abstract: A device and corresponding method are provided. The device includes an n-type transistor fabricated over a substrate, the n-type transistor having a gate and two current-carrying electrodes. The device also includes a non-inverted organic light emitting device fabricated over the substrate, the non-inverted organic light emitting device having an anode and a cathode. The cathode is connected to one of the current-carrying electrodes of the n-type transistor.

Abstract: An organic light emitting device is provided. The device includes an anode, an organic layer disposed over the anode, a layer comprising an alkaline metal compound disposed over the organic layer, a layer comprising Mg or a Mg-metal alloy disposed over the layer comprising an alkaline metal compound, and a layer comprising a transparent conductive metal oxide disposed over the layer comprising Mg or Mg-metal alloy. A method of fabricating an organic light emitting device is also provided. An organic layer is deposited over an anode. An electron injection enhancement layer consisting essentially of an alkaline metal compound is deposited over the organic layer. A transparent cathode, including a layer of Mg or Mg-metal alloy and a layer of metal oxide, is deposited over the layer of alkaline metal compound. A device fabricated by this process is also provided.

Abstract: An organic light emitting device is provided. The device has a plurality of regions, each region having an organic emissive layer adapted to emit a different spectrum of light. The regions in combination emit light suitable for illumination purposes. The area of each region may be selected such that the device is more efficient that an otherwise equivalent device having regions of equal size. The regions may have an aspect ratio of at least about four. All parts of any given region may be driven at the same current.

Abstract: An array of OLEDs is provided. The array includes a first electrode that has a plurality of physically separate pieces that are electrically connected by a bus line. The array further includes a second electrode, and an organic layer disposed between the first and second electrodes. The organic layer is electrically connected to the second electrode, and to at least one of the physically separate pieces of the first electrode. The embodiment may be used to fabricate an array of OLEDs on a flexible substrate.

Abstract: A method of fabricating a device is provided. A substrate having first conductive layer disposed thereon. An organic layer is fabricated over the first conductive layer. A second conductive layer is then fabricated over the organic layer such that the second conductive layer is in electrical contact with the first conductive layer during at least a portion of the step of depositing the second conductive layer. The electrical contact between the first conductive layer and the second conductive layer is then broken. A method of fabricating an active matrix array of organic light emitting devices is also provided. A substrate is obtained, having circuitry adapted to control the current flowing through each organic light emitting device, and having a first conductive layer disposed thereon, such that the first conductive layer is electrically attached to the circuitry. An organic layer is fabricated over the first conductive layer.

Abstract: A photoresist mask is provided, having a central region fabricated on an underlying layer. An overhang supported by the central region is separated from the underlying layer by a recessed area. The recessed area has an aspect ratio of at least about 1.5. The mask may be advantageously used to pattern electrodes deposited through the mask by chemical vapor deposition or sputtering, such that there is no significant conductivity across the mask between the patterned electrodes.

Abstract: A method of fabricating a device is provided. A substrate having first conductive layer disposed thereon. An organic layer is fabricated over the first conductive layer. A second conductive layer is then fabricated over the organic layer such that the second conductive layer is in electrical contact with the first conductive layer during at least a portion of the step of depositing the second conductive layer. The electrical contact between the first conductive layer and the second conductive layer is then broken. A method of fabricating an active matrix array of organic light emitting devices is also provided. A substrate is obtained, having circuitry adapted to control the current flowing through each organic light emitting device, and having a first conductive layer disposed thereon, such that the first conductive layer is electrically attached to the circuitry. An organic layer is fabricated over the first conductive layer.

Abstract: A method of fabricating a device is provided. A substrate having first conductive layer disposed thereon. An organic layer is fabricated over the first conductive layer. A second conductive layer is then fabricated over the organic layer such that the second conductive layer is in electrical contact with the first conductive layer during at least a portion of the step of depositing the second conductive layer. The electrical contact between the first conductive layer and the second conductive layer is then broken. A method of fabricating an active matrix array of organic light emitting devices is also provided. A substrate is obtained, having circuitry adapted to control the current flowing through each organic light emitting device, and having a first conductive layer disposed thereon, such that the first conductive layer is electrically attached to the circuitry. An organic layer is fabricated over the first conductive layer.

Abstract: An array of OLEDs is provided. The array includes a first electrode that has a plurality of physically separate pieces that are electrically connected by a bus line. The array further includes a second electrode, and an organic layer disposed between the first and second electrodes. The organic layer is electrically connected to the second electrode, and to at least one of the physically separate pieces of the first electrode. The embodiment may be used to fabricate an array of OLEDs on a flexible substrate.

Abstract: A photoresist mask is provided, having a central region fabricated on an underlying layer. An overhang supported by the central region is separated from the underlying layer by a recessed area. The recessed area has an aspect ratio of at least about 1.5. The mask may be advantageously used to pattern electrodes deposited through the mask by chemical vapor deposition or sputtering, such that there is no significant conductivity across the mask between the patterned electrodes.

Abstract: An organic light emitting device is provided. The device has a first electrode, an insulating strip disposed over the first electrode, and a bus line disposed on top of the insulating strip, such that the bus line is electrically insulated from the first electrode by the insulating strip. An integrated mask is disposed over the bus line, such that a portion of the bus line remains exposed vis-a-vis the insulating strip and the integrated mask. An organic layer is disposed over the first electrode, such that the organic layer is electrically connected to the first electrode. A second electrode is disposed over the organic layer, such that the second electrode is electrically connected to the organic layer, and such that the second electrode is electrically connected to the exposed portion of the bus line.

Abstract: The restoring coil spring of a vehicle shock absorber can be seated on an annular elastomeric pad that is equipped with a reinforced peripheral flange adapted to maintain the lowermost convolution of the spring on the elastomeric pad should the spring break during service. An annular steel band is incorporated into the elastomeric flange to provide a reinforced flange structure resistant to radial deformation.

Abstract: The present invention involves a rifle rest which is particularly suited for competitive long distance range shooting. The rifle rest has a rifle vise mounted on a vise support resting upon a base which has adjustable legs. In a preferred embodiment, the rifle vise is mounted on a vise support which is a sphere or partial sphere. The convex curvature of the sphere is slidably received by an aperture in a planar base allowing for the movement and rotation of a rifle secured in the vise about a variety of axes.

Abstract: The present invention involves a rifle rest which is particularly suited for competitive long distance range shooting. The rifle rest has a rifle vise mounted on a vise support resting upon a base which has adjustable legs. In a preferred embodiment, the rifle vise is mounted on a vise support which is a sphere or partial sphere. The convex curvature of the sphere is slidably received by an aperture in a planar base allowing for the movement and rotation of a rifle secured in the vise about a variety of axes.

Abstract: A spring and strut mount assembly for an automotive vehicle includes a strut provided with a shock absorber having a piston reciprocable in a cylinder and a piston rod extending axially outwardly from one end of the cylinder. A strut mount is adapted to be secured to a rigid frame of the vehicle. The outer end of the piston rod is secured to the strut mount. A spring unit resists retraction of the piston rod. The spring unit has upper and lower spring seats. The upper spring seat is mounted to the strut mount. The upper spring seat assembly is parallel and diverging to the strut mount and tower, perpendicular to the coil spring center line, perpendicular to the strut center line and parallel to the upper plane of the coil spring's end, all at the same time. The lower spring seat is mounted on the cylinder. A coil spring encircles the shock absorber and is held between the seats. The central axis of the spring extends at an acute angle to the central axis of the strut.

Abstract: The coil spring of a vehicle shock absorber can be seated on an elastomeric sound isolator pad whose spring engagement surface has plural slot-like depressions evenly spaced around the pad circumference. These slot-like depressions form raised ribs that provide the contact surfaces for the lowermost convolution of the coil spring. Each rib can readily deform under the spring force. Side surfaces of the ribs can act as heat-dissipating surfaces. The slot construction allows the pad to be formed out of a reasonably high durometer and highly wear-resistant elastomer without adversely affecting the desired rib deflection.

Abstract: The coil spring of a vehicle shock absorber is seated on an annular elastomeric pad that is equipped with a reinforced peripheral flange adapted to maintain the lowermost convolution of the spring on the elastomeric pad should the spring break during service. An annular steel band is incorporated into the elastomeric band to provide a reinforced flange structure resistant to deformation.

Abstract: An automotive suspension strut upper mounting assembly providing increased stroke length and enhanced spring rate tunability with the major working area of the mount being located above the body panel attachment surface. The mount comprises a housing including upper and lower closures readily assembled to enclose a composite isolator mount comprising an inner metal cup bonded to an outer elastomeric ring. The composite ring has a concentric sleeve embedded therein defining inner and outer body portions providing an increased spring rate for stiffening lateral vehicle motion caused by handling maneuvers. The inner and outer body portions are each formed with a pair of diametrically opposed fore and aft voids selectively reducing the spring rate thereby softening longitudinally imposed impact loads.