Abstract: A method of making an OLED device comprises the steps of: providing a donor element having transferable organic material in transfer relationship with an OLED substrate; forming a substantially uniform linear laser light beam; providing a spatial light modulator responsive to the linear laser light beam and adapted to form multichannel linear laser light beams; individually modulating selected channels to form one or more laser light beam segments wherein each segment can include one or more laser light beam channels and further wherein the laser light beam segment(s) have substantially square intensity profiles in a first direction and a substantially Gaussian intensity profile in a second direction perpendicular to the first direction and are directed onto the donor element; and the donor element producing heat in response to the light from the modulated segments so as to heat transfer organic material onto selected areas of the substrate.

Abstract: It is an object of the present invention to provide a very compact zoom assembly with a minimum number of parts. Another object of this invention is to provide a zoom assembly which does not require guide rods and utilizes with only one motor for both zooming and focusing. Briefly summarized, according to one aspect of the present invention, a zoom assembly includes a zoom lens defining an optical axis. This zoom lens is capable of operating in a plurality of different zoom positions and of focus adjustment for different object distances in each of the zoom positions. The zoom positions are (i) two extreme zoom positions (a wide angle position and a telephoto position), and (ii) a plurality of intermediate zoom positions. The zoom lens includes at least a first movable lens group and a second movable lens group. These first and second lens group are separated from one another by a variable distance.

Abstract: Briefly summarized, according to one aspect of the present invention, a zoom assembly having a plurality of different zoom positions and focus adjustment for different object distances in each of the zoom positions includes: (i) a zoom lens having a plurality of lens groups defining an optical axis and (ii) a cam barrel centered about the optical axis. The cam barrel has an inner peripheral surface with at least one cam groove for moving one of the lens groups relative to another one of the lens groups. The cam groove includes: (i) a set of primary zoom sections, each corresponding to one of the zoom positions and having a slope with respect to the optical axis, and (ii) a set of intermediate sections corresponding to transitions from one of the plurality of zoom positions to another one of the plurality of zoom positions. Each of the intermediate sections is has a slope with respect to the optical axis.

Abstract: The first, movable encloses the front, middle and rear lens groups. The front and rear lens groups are supported by a front and a rear lens cell, respectively. At least one of the front and rear lens cells is an integral part of the front lens barrel. The front and rear lens cells are located at a fixed distance with respect to one another. The middle lens group is supported by a mid-lens cell. The mid-lens cell is slidably movable within the first, movable barrel and has at least three external cam followers. The second, movable barrel engages and at least partially encloses the first barrel and includes three cam grooves engaging the cam followers. The motor is operatively connected to the second, movable barrel. The motor rotates the second, movable, so that the second, movable barrel moves along the optical axis with respect to the first, movable barrel.

Abstract: According to a precision assembly technique, a first subassembly is precisely aligned relative to a plurality of alignment features in an alignment fixture and at least three non-coplanar flexures having complementary alignment features are located with respect to corresponding alignment features on the alignment fixture and mechanically attached to the first subassembly. The first subassembly with the attached flexure sheets is removed from the alignment fixture and located with respect to a second subassembly having a plurality of alignment features identical to the alignment features in the alignment fixture using the alignment features on the second subassembly and the complementary alignment features on the flexure sheets to precisely align the first subassembly with the complementary alignment features on the second subassembly. The flexure sheets are then mechanically attached to the second subassembly, whereby the first and second subassemblies are aligned and rigidly connected to one another.

Abstract: According to a precision assembly technique, a first subassembly is precisely aligned relative to a plurality of alignment features in an alignment fixture and at least three non-coplanar flexures having complementary alignment features are located with respect to corresponding alignment features on the alignment fixture and mechanically attached to the first subassembly. The first subassembly with the attached flexure sheets is removed from the alignment fixture and located with respect to a second subassembly having a plurality of alignment features identical to the alignment features in the alignment fixture using the alignment features on the second subassembly and the complementary alignment features on the flexure sheets to precisely align the first subassembly with the complementary alignment features on the second subassembly. The flexure sheets are then mechanically attached to the second subassembly, whereby the first and second subassemblies are aligned and rigidly connected to one another.

Abstract: A mechanism for registering sheets of different sizes relative to a station which includes a surface for receiving a sheet, and a registration member located along the surface and extending toward the station for guiding the sheet toward the station. A first urging guide extends along the surface in spaced relation to the registration member. A second urging guide rotates about an axis parallel to the guide and below the platen between an operational position and an non-operational position. When the movable guide is in its operational position, it is located between the first guide and the registration member. A spring is provided for locking the guide in either the operational or non-operational position.

Abstract: Laser apparatus containing an electrically operated laser (laser diode) is temperature stabilized so that it is able to generate a beam of laser light of sufficient intensity to be suitable for use in a laser printer without entering a failure mode due to overheating. The laser diode is integrated into a hybrid thick film integrated circuit wherein the laser diode is bonded to one side of the hybrid's substrate of thermally conductive and electrically insulating material of the hybrid. The hybrid has conductors thereon which are connected to the leads from the laser diode. A circuit containing temperature sensitive material (elements formed of positive or negative temperature co-efficient resistive material) is distributed in spaced areas on the opposite side of the hybrid's substrate from the laser diode. The distributed thermistor circuit and its close thermal coupling to the cooler and the diode laser reduce thermal mass (capacitance), which must be heated or cooled, to maintain athermal conditions.

Abstract: A laser printer characterized by compact construction, and by ease of servicing and film loading. A light-tight upper compartment contains a printer station which includes a film moving roller at one side of the apparatus, and toward which film is fed sideways from a registration station. The printer includes a laser and optics located above the alignment station. Various sizes of film are stored in respective magazines carried by stacked drawers located below the alignment station, and a transport mechanism located in front of the magazine withdraws film from the drawers and carries it upwardly and moves it into the alignment station by movement of the film toward the rear of the apparatus. Film moving from the printer station moves downwardly along one side of the machine into a chute and then to a roller device which can direct the exposed film either into a storage magazine under the fresh film magazines, or to an adjacent processor located to the side of the printer.

Abstract: A polygon of a laser optical system is supported by a housing and requires precise alignment with respect to a base for proper operation of the optical system. A fixture has a base that is mounted for rotation about an axis. A plurality of adjustable pad assemblies are located between the base and the housing. Each pad assembly includes a mounting plate that is positioned on the base and a bushing that is secured to the housing. A compressible ring surrounds a surface on the plate that receives an adhesive. Pushers carried by the base engage the housing and urge the housing toward the base. The pushers are individually adjustable to control the position of the housing relative to the base about a plurality of axes. An optical instrument measures the angular position of the optical device on the housing and, when it is properly positioned, it is held until the adhesive cures to bond the mounting plate and bushing together.

Abstract: An adjustable pad assembly is used for aligning a polygon of a laser optical system that is supported by a housing and requires precise alignment with respect to a base for proper operation of the optical system. A plurality of the adjustable pad assemblies are located between the base and the housing. Each pad assembly includes a mounting plate that is positioned on the base of a fixture, and a bushing that is secured to the housing. A compressible ring surrounds a surface on the plate that receives an adhesive. The housing is adjusted relative to the base to align the polygon, and then held stationary until the adhesive cures to bond the mounting plate and bushing together.

Abstract: A mechanism registers a sheet of film and advances it toward an imaging station for exposure by a laser scanning system. A registration member is located along a surface that receives the sheet and the member is engageable by an edge of the sheet for registering and guiding the sheet toward the station. An urging guide located along another portion of the surface is skewed relative to the registration member and spaced from it so that the end portions of the guide and registration member nearest the station are spaced apart sufficiently to enable the sheet to lie flat on the surface while other portions thereof are sufficiently close together to prevent the sheet from lying flat on the surface. The guide projects above the surface and is tilted away from the registration member so that the guide imparts a component of force onto a sheet resting thereon which urges the sheet toward the registration member.