Abstract: A flat-panel lamp having a light-emitting surface with an integral contact sensitive layer located over the light-emitting surface that controls the activation and deactivation of the lamp and a controller for supplying power to the lamp and responsive to a signal provided by the integral contact sensitive layer for controlling the supply of the power to the flat panel lamp.

Abstract: A multi-mode flat-panel light-emitting sign having a substrate, a plurality of thin-film light-emitting structures located on the substrate, each structure comprised of an anode, a light-emitting layer, and a cathode wherein light-emitting layer has a pattern for providing a visual indicia when the light-emitting structure is activated, the anode and the cathode of each thin-film emitting structure being continuous over the substrate, and a cover provided over the plurality of thin-film light-emitting structures.

Abstract: A flat-panel organic light-emitting area illumination lamp, comprising a thin-film organic light-emitting structure comprising a first electrode, one or more organic layers including an organic light-emitting layer, and a second electrode; and a member having a first side and second side, the thin-film organic light-emitting structure disposed adjacent the first side, the second side having self-cleaning surface.

Abstract: A flat-panel area illumination system is described, comprising: a) a flat-panel lamp having a substrate and one or more non-pixellated light-emitting areas formed on the substrate emitting light in every direction from at least one light-emitting side of the lamp; and b) a light-directing optical film located on the at least one light-emitting side over the light-emitting area of the flat-panel lamp, wherein the light-directing optical film preferentially directs light away from a direction perpendicular to the surface of the light-emitting side of the flat-panel lamp. The flat-panel lamp system of the present invention provides light direction capability for a flat-panel OLED lamp while preserving a thin profile.

Abstract: A system for controlling an OLED device having an output that changes with time or use is described, comprising: a) an OLED device responsive to a corrected input signal having one or more light emitting elements and a temperature sensor for sensing the temperature of the OLED device to produce a temperature signal; b) a controller including: i) a first calculation circuit responsive to the temperature signal, a corrected digital input signal, and a pre-determined aging function to produce a digital aging value corresponding to the aging of the light emitting elements; ii) an accumulation circuit for integrating the digital aging value over time to provide a digital accumulated aging value; iii) a second calculation circuit responsive to the digital accumulated aging value for calculating a digital correction signal; and iv) a transformation circuit responsive to a digital input signal and the digital correction signal for transforming the digital input signal to the corrected digital input signal.

Abstract: A method for compensating an OLED device having one or more light emitting elements having an output that changes with time or use, comprising: a) driving the OLED device at a known drive signal, and measuring a first current used by the light emitting elements and a first light output produced by the OLED device at the known drive signal; b) driving the OLED device for a time period after step (a); c) driving the OLED device at the known drive signal after step (b), and measuring a second current used by the light emitting elements and a second light output produced by the OLED device at the known drive signal; d) determining an aging function based on the measured first and second currents, known drive signal, and first and second light outputs; e) driving the OLED device for a period of time after step (d); f) measuring a third current used by the light emitting elements at the known drive signal after step (e); g) calculating a correction factor for the OLED device to correct for change in light output of

Abstract: A method for manufacturing and grading OLED devices is described, comprising the steps of: a) manufacturing OLED devices having a plurality of pixels; b) measuring pixel brightness and uniformity variation of each of the OLED devices prior to burning-in the OLED devices; c) correcting the pixel brightness and uniformity variation of each of the OLED devices prior to burning-in the OLED devices; d) grading each of the corrected OLED devices prior to burning-in the OLED devices; e) burning-in OLED devices graded as acceptable prior to burning-in the OLED devices; f) measuring burned-in pixel brightness and uniformity variation of each of the burned-in OLED devices; g) re-correcting the pixel brightness and uniformity variation of each of the burned-in OLED devices; and h) grading each of the re-corrected, burned-in OLED devices.

Abstract: A system for the detection of brightness uniformity variations in light-emitting elements in an OLED display is described, comprising: a) an OLED display having a plurality of light-emitting elements having perceptible brightness uniformity variations less than a threshold value when driven with a common signal; b) an imager with one or more light-sensitive sensor elements having variable light exposure levels and sensitive to the light emitted by the light-emitting elements, where the sensor elements are not capable of detecting brightness uniformity variations less than the threshold value at a first light exposure level; c) optical elements arranged so that the light-sensitive sensor elements are exposed to the light-emitting elements of the OLED display; and d) a controller programmed to control the OLED display and cause the light-emitting elements to illuminate and the imager to acquire images of the illuminated light-emitting elements in the OLED display at at least the first and a different second lig

Abstract: An OLED display comprising a substrate; at least one heat insulating layer disposed over the substrate; a first electrode located over the heat insulating layer and having a thermal conductivity higher than the heat insulating layer; a plurality of thermal contacts provided through the heat insulating layer between the first electrode and the substrate, the thermal contacts comprising material having a thermal conductivity higher than that of the heat insulating layer; one or more organic layers, at least one of which is a light emissive layer, disposed over the first electrode; and a second electrode disposed over the one or more organic layers.

Abstract: A system for the correction of brightness and uniformity variations in OLED displays is described, comprising: a) an OLED display including a plurality of light-emitting elements; b) a non-volatile memory having uniformity correction information for the OLED display stored therein and permanently associated with and physically attached to the OLED display; and c) a controller connected to the OLED display and to the non-volatile memory for reading the information from the non-volatile memory, receiving an input signal, correcting the input signal using the information to form a corrected input signal, and transmitting the corrected input signal to the OLED display. Also described are OLED display device units comprising an OLED display and a permanently associated non-volatile memory, and a method for the correction of brightness and uniformity variations in OLED displays.

Abstract: An illuminated storage system is disclosed comprising one or more rigid surfaces defining an enclosed volume; two or more conductors attached to one or more of the rigid surfaces; one or more solid-state flat panel area illumination light sources, each light source having electrical contacts; and means for making contact between a pair of the conductors attached to the rigid surfaces and the electrical contacts of the flat-panel light sources. The use of solid-state flat panel area illumination light sources enables high-quality diffuse light to be provided over a large area by a light source that is quite thin in cross-section, and that can be supplied in a form that is compatible with standard household current.

Abstract: A bottom-emitting OLED device comprising: a) a transparent substrate; b) a plurality of OLED light emitting elements located on the substrate, each light emitting element including a first patterned transparent electrode formed over the substrate and one or more OLED light emissive layers located over the first electrode and emitting light through the first electrode, and a continuous second electrode metallic layer located over the plurality of OLED light emitting elements, wherein the second electrode metallic layer has a continuous thickness greater than 500 nm over and between the light emitting elements; and c) an encapsulating cover located over the second electrode.

Abstract: An OLED device comprising: a) a substrate; b) one or more OLED light emitting elements located on the substrate and including a first electrode formed on the substrate, one or more OLED light emissive layers located over the first electrode, and a second electrode located over the OLED light emissive layers; c) an encapsulating cover located over the second electrode and affixed to the substrate; and d) a thermally-conductive, conformable, and compressible material in thermal contact with both the OLED light emitting elements and the encapsulating cover over the light emitting area of the OLED light emitting elements, wherein the thermally-conductive material is more than 1 micron thick and has a thermal conductivity greater than 0.25 W/mK.

Abstract: An OLED device comprising: a) a substrate; b) one or more OLED light emitting elements located on the substrate and including a first electrode formed on the substrate, one or more OLED light emissive layers located over the first electrode, and a second electrode located over the OLED light emissive layers; c) an encapsulating cover located over the second electrode and affixed to the substrate; and d) a thermally-conductive adhesive material in thermal contact with and adhering the OLED light emitting elements to the encapsulating cover over the light-emitting area of the OLED light emitting elements, wherein the thermally-conductive material is more than 1 micron thick and has a thermal conductivity greater than 0.25 W/mK.

Abstract: A method for the correction of brightness and uniformity variations in OLED displays, comprising: a) providing an OLED display having a plurality of light-emitting elements with a common power signal and local control signals; b) providing a digital input signal for displaying information on each light-emitting element, the signal having a first bit depth; c) transforming the digital input signal into a transformed digital signal having a second bit depth greater than the first bit depth; and d) correcting the transformed signal for one or more light-emitting elements of the display by applying a local correction factor to produce a corrected digital signal.

Abstract: Apparatus for use in making a device by forming repetitive sequences of coatings on a flexible substrate including defining a path for the flexible substrate; the flexible substrate being disposed about at least a portion of the path; a first deposition source for depositing material located around the path periphery and in cooperative relationship with the surface of the disposed flexible substrate; actuable means effective when actuated for moving the flexible substrate around at least more than one revolution around the path; and actuating the actuable means and the first deposition source so that at least two separate material coatings are provided on the substrate by the deposition source.

Abstract: A detection system for the detection of brightness and uniformity variations in a pre-defined group of light-emitting elements in an OLED display, comprising: a two-dimensional OLED display having a pre-defined group of light-emitting elements distributed across the display; a two-dimensional imager with a plurality of light-sensitive sensor elements sensitive to the light emitted by the light-emitting elements; optical elements arranged so that the imager is exposed to all of the light-emitting elements in the predefined group of light-emitting elements of the OLED display simultaneously and at a magnification such that each light-sensitive sensor element records the light output from no more than one light-emitting element; and a controller to control the OLED display and cause each of the light-emitting elements of the predefined group of light-emitting elements to illuminate and the imager to acquire images of the illuminated light-emitting elements in the OLED display.

Abstract: A color OLED device is described having one or more pixels, at least one pixel comprising: four or more light-emitting elements, each light-emitting element comprising one or more layers of electroluminescent organic material producing a broadband light having a variable frequency-dependent luminous efficacy emission spectrum, and each light-emitting element further comprising a filter for filtering the broadband light and emitting a different color of light; wherein the different colors of light emitted by three of the light-emitting elements specify a first color gamut of the OLED device, and an additional one or more of the light-emitting elements emit at least one additional different color of light and wherein the frequency range of the filter of the additional light emitting element is matched to a portion of the broadband light frequency range having a radiant intensity greater than the radiant intensity of the frequency range of at least one of the filters of the three light-emitting elements specifyi

Abstract: Collectible display devices and methods for operating the same are provided. The collectible display device has a display; a non-volatile memory adapted to store at least one set of pre-determined character information depicting a character, said character information including character data and character image content; a communication circuit adapted to receive predetermined character information; and a display controller adapted to receive pre-determined character information from the communication circuit, to store the received pre-determined character information in the non-volatile memory so that changes cannot be made to the pre-determined character information without external authorization and to cause the display to present at least one image based upon the character information.

Abstract: A tiled flat panel lighting system includes flat panel light emitting units, each unit comprising a light emitting region and at least two pairs of first and second electrical contacts which are accessible external to the unit, wherein the first electrical contacts of the pairs are electrically connected within the unit, the second electrical contacts of the pairs are electrically connected within the unit, the light emitting region is electrically connected to the connected first contacts and to the connected second contacts. A plurality of units may be electrically interconnected through pairs of the externally accessible first and second electrical contacts positioned at one or more adjacent edges of each of the units.