Abstract: A display device including a touch sensitive EL display having a flexible substrate; one or more power busses and one or more EL elements disposed over the flexible substrate; and a plurality of distributed chiplets arranged so that at least two chiplets are associated with each of a plurality of touch sensitive areas on the EL display and for sensing stress or strain associated with bending of the flexible substrate or the chiplet substrate to provide respective displacement signals corresponding to the touch sensitive areas; each chiplet connected to one or more of the power busses and one or more of the EL elements for modulating power from the power busses to the EL elements in response to a control signal; and a controller for providing control signals to the chiplets in response to an input image signal and for receiving displacement signals from the chiplets and producing touch signals.

Abstract: A pixel circuit including a storage capacitor to which data is written including a black level; a second driving transistor supplies a drive current corresponding to data written to the storage capacitor to a second organic electroluminescence element; a first driving transistor supplies to a first organic electroluminescence element drive current that reflects brightness degradation or current degradation in the second organic electroluminescence element, wherein the second driving transistor supplies a predetermined drive current to the second organic electroluminescence element including data of the black level; and the drive voltage of the first driving transistor is set to a voltage reflecting the brightness degradation or current degradation in the second organic electroluminescence element.

Abstract: A light-emitting optical cavity light-emitting diode device, comprising: a) a substrate; b) a reflective electrode formed over the substrate; c) an unpatterned light-emitting layer formed over the reflective electrode; d) a transparent electrode formed over the unpatterned light-emitting layer; e) one or more different optical spacers, defining at least two different optical path lengths, are formed in different locations over the substrate, between the reflective electrode and the transparent electrode; and f) a low-index layer formed over the transparent electrode.

Abstract: Apparatus for metering and vaporizing a particulate material, includes a metering device for metering particulate material including: a reservoir for receiving particulate material; a housing having an internal volume and having first and second openings; a rotatable shaft disposed in the internal volume, the shaft having a smooth surface and a circumferential groove; a structure disposed in the reservoir for delivery and cooperating with the rotating shaft for fluidizing particulate material and transporting it from the reservoir into the groove; the shaft and internal volume cooperating such that particulate material is transported by the groove; a scraper cooperates with the groove to dislodge particulate material retained therein and fluidize the scraped particulate material, and deliver metered amounts of particulate material through the second opening; and a flash evaporator that receives and flash vaporizes the metered particulate material.

Abstract: In order to efficiently execute threshold value compensation for a driving transistor, a coupling capacitor has one end connected to a data line. Another end of the coupling capacitor is connected to a selection transistor and one end of a reset transistor. A control terminal of a driving transistor is connected to the other end of the selection transistor, and an organic EL element is connected to this driving transistor via a light emission control transistor. A data voltage, corresponding to a gradation signal supplied to the data line, is written to a storage capacitor via the coupling capacitor, and with the selection transistor and the light emission control transistor in an off state and the reset transistor turned on, a compensation voltage corresponding to a degree of mobility of the driving transistor is written to the coupling capacitor.

Abstract: An OLED device comprising, in sequence, an anode, a light-emitting layer that comprises a phosphorescent light-emitting organometallic compound, a hole-blocking layer, and a cathode, and between the hole-blocking layer and the cathode, a further layer containing a mixture of a first compound that is a tetracene compound that has the lowest LUMO value of the compounds in the layer, in an amount greater than or equal to 10% and less than 90% and a second compound that is a low voltage electron transport material, exhibiting a higher LUMO value than the first compound in an amount less than or equal to 90% and more than 10%.

Abstract: An OLED device includes an anode, a cathode, and at least one individually selected organic light-emitting layer disposed between the anode and cathode. The device also includes an electron-transporting layer disposed between the at least one light-emitting layer and the cathode, such electron-transporting layer including a first electron-transporting material, and an electron-injecting layer disposed between the electron-transporting layer and the cathode, such electron-injecting layer including a metal dopant having a work function less than 4.0 eV and an electron-transporting material that is different from the first electron-transporting material.

Abstract: Apparatus for metering and vaporizing a particulate material, includes: a metering device for metering particulate material having: a reservoir for receiving particulate material; a housing having first and second openings; a rotatable shaft disposed in the internal volume, the shaft having a smooth surface and a circumferential groove; a rotating agitator with a plurality of tines disposed in the reservoir and cooperating with the rotating shaft for fluidizing particulate material and transporting it from the reservoir into the groove; cooperating such that particulate material is transported by the groove; a scraper cooperates with the groove to dislodge particulate material retained therein, and deliver metered amounts of particulate material through the second opening; a structure fluidizes the particulate material at the second opening; and a flash evaporator that receives and flash vaporizes the metered particulate material.

Abstract: A passive-matrix, thin-film electro-luminescent display system includes a display having a substrate with organic layers and orthogonally arranged electrodes formed thereon. One or more display drivers: (i) receives an input image signal for addressing the light-emitting elements of the display; (ii) decomposes the signal into a low-resolution component signal and a high-resolution component signal, wherein the low-resolution component signal contains one half or less of the number of addressable locations as the high-resolution component signal; and (iii) that provides a drive signal for driving the display wherein the low-resolution component signal and the high-resolution component signal are independently provided to the display to form a combined image.

Abstract: An organic light-emitting device comprising an anode; a cathode; a hole-transporting layer disposed between the anode and the cathode; a phosphorescent light-emitting layer disposed between the hole-transporting layer and the cathode, wherein the phosphorescent light-emitting layer includes at least one host and at least one phosphorescent dopant; a first exciton-blocking layer disposed between the hole-transporting layer and the phosphorescent light-emitting layer; wherein the first exciton-blocking layer has a triplet energy greater than the triplet energy of the host in the phosphorescent light-emitting layer; and a second exciton-blocking layer disposed between the first exciton-blocking layer and the phosphorescent light-emitting layer, wherein the second exciton-blocking layer is in contact with the phosphorescent light-emitting layer, and wherein the second exciton-blocking layer has a triplet energy less than the triplet energy of the first exciton-blocking layer.

Abstract: Apparatus for providing an analog drive transistor control signal to the gate electrode of a drive transistor in a drive circuit that applies current to an EL device, the drive circuit including a first supply electrode of the drive transistor and the EL device connected to a second supply electrode of the drive transistor, comprising a measuring circuit for measuring the current passing through the supply electrodes at different times to provide an aging signal representing variations in the characteristics of the drive transistor and EL device caused by operation of the drive transistor and EL device over time; a compensator for changing a linear code value in response to the aging signal to compensate for the variations in the characteristics of the drive transistor and EL device; and a linear source driver for producing the analog drive transistor control signal in response to the changed linear code value.

Abstract: A vaporizer for receiving and vaporizing particulate material, comprising: a heater having a reticulated material structure composed of ligands that define voids adapted to receive particulate materials, wherein the voids comprise greater than 85% of the volume of the reticulated material structure so that delivery of particulate material into the voids and conduction of vaporized material from the voids is facilitated; causes heat to be produced or conducted by the ligands to cause the particulate material in the voids to vaporize and be conducted through the voids.

Abstract: An OLED display, comprising: a substrate; an OLED having two spaced-apart electrodes and organic layers disposed therebetween and the OLED being disposed over the substrate; first desiccant material disposed over at least a portion of one of the electrodes; a compliant protection layer having a Young's Modulus <4 GPa disposed over at least a portion of the first desiccant material; and an encapsulation container fixed to the substrate and disposed over the compliant protection layer.

Abstract: After a look-up table applies ? correction to each of R, G, and B signals, a multiplier multiplies a ? corrected signal by a gain. An adder adds an offset to an output of the multiplier and supplies a resultant gain/offset corrected signal to a display panel. Memories store entropy coded correction data, which can be expanded by corresponding expansion circuits and supplied to the multiplier and the adder, respectively.

Abstract: A light-emitting diode device, includes a substrate; and a light-emitting element having two or more commonly-controlled portions, the light-emitting element having two electrodes and a common unpatterned white-light-emitting layer formed between the two electrodes, at least one portion having an optical spacer, each portion having a different optical structure, the optical structure in one portion being tuned to emit substantially white light and that one portion having a transparent electrode, and the optical structure in a different portion being tuned to emit colored light.

Abstract: A method of encapsulating an OLED device includes forming an OLED device on a substrate; providing a protective cover surrounding the OLED device and the substrate; providing a first sealing arrangement between the protective cover and top surface of the substrate, to define a first chamber enclosing the OLED device; providing a second sealing arrangement sealed to define a second chamber sealed from and enclosing the first chamber; and providing first desiccant material in the first chamber and providing second desiccant material in the second chamber closer to the bottom surface of the substrate than the top surface.

Abstract: An LED device that includes electrodes patterned over a substrate; the pattern forming several first electrodes separated by inter-electrode spacers. One or more light-emitting layers are formed over the first electrodes. A patterned conductive layer is formed over the one or more light-emitting layers and over the first electrodes in regions external to the inter-electrode spacers. A continuous unpatterned conductive layer is formed over both the patterned conductive layer and the inter-electrode spacers. Finally, a combination of the patterned and continuous unpatterned conductive layers form a single, bi-layered, electrically continuous second electrode.

Abstract: A method for controlling the deposition of vaporized organic material onto a substrate surface, includes providing a manifold having at least one aperture through which vaporized organic material passes for deposition onto the substrate surface; and providing a volume of organic material and maintaining the temperature of such organic material in a first condition so that its vapor pressure is below that needed to effectively form a layer on the substrate, and in a second condition heating a volume percentage of the initial volume of such organic material so that the vapor pressure of the heated organic material is sufficient to effectively form a layer.

Abstract: A flexible emissive device, includes a flexible rough substrate having a rough substrate surface and defining a display area; an organic low-temperature adhesion layer formed on the rough substrate surface, at least a portion of the organic low-temperature adhesion layer having a thickness greater than or equal to five microns; a plurality of chiplets distributed in the display area and adhering to the organic low-temperature adhesion layer, each chiplet having one or more connection pads; a plurality of patterned bottom electrodes formed over the organic low-temperature adhesion layer in the display area, each bottom electrode being electrically connected to only one connection pad of a corresponding chiplet; one or more layers of light-emitting material formed over the bottom electrode; and a top electrode formed over the one or more layers of light-emitting material; and a flexible encapsulating layer located over the top electrode and adhered to the rough substrate surface.

Abstract: A display with improved visual uniformity, comprised of an array of independently-addressable light-emitting elements, including at least a first independently-addressable light-emitting element for producing a first color of light and a second independently-addressable light-emitting element for producing a second color of light; wherein at least the first independently-addressable light-emitting element is subdivided into at least two spatially separated commonly-addressed light-emitting areas and wherein at least a portion of the second independently-addressable light-emitting element is positioned between the spatially separated commonly-addressed light-emitting areas of the first independently-addressable light-emitting element.