Patent application number | Description | Published |
20090121624 | STABLE BLUE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES - Novel combination of materials and device architectures for organic light emitting devices are provided. In some aspects, specific charge carriers and solid state considerations are features that may result in a device having an unexpectedly long lifetime. In some aspects, emitter purity is a feature that may result in devices having unexpectedly long lifetime. In some aspects, structural and optical considerations are features that may result in a device having an unexpectedly long lifetime. In some aspects, an emissive layer including an organic phosphorescent emissive dopant and an organic carbazole host material results in devices having an unexpectedly long lifetime. | 05-14-2009 |
20100090241 | EMISSIVE LAYER PATTERNING FOR OLED - An organic light emitting device is provided. The device includes an anode, a cathode, and an organic emissive stack disposed between the anode and the cathode. The device may be a “pixel” in a display, capable of emitting a wide variety of colors through the use of independently addressable “sub-pixels,” each subpixel emitting a different spectrum of light. In the most general sense, the device includes a first subpixel and a second subpixel, and at least one of the anode and the cathode has independently addressable first and second regions corresponding to the first and second subpixels. The device includes an emissive stack disposed between the anode and the cathode. The emissive stack includes a first organic emissive layer and a second organic emissive layer. The first organic emissive layer is disposed between the anode and the cathode, and extends throughout the first and second regions. The second organic emissive layer is disposed between the anode and the cathode, and extends throughout the second region but not the first region. The second organic emissive layer is disposed closer to the cathode than the first organic emissive layer. The first organic emissive layer is emissive in the first region, and the second organic emissive layer is emissive in the second region. | 04-15-2010 |
20100090620 | NOVEL OLED DISPLAY ARCHITECTURE - A device that may be used as a multi-color pixel is provided. The device has a first organic light emitting device, a second organic light emitting device, a third organic light emitting device, and a fourth organic light emitting device. The device may be a pixel of a display having four sub-pixels. The first device may emit red light, the second device may emit green light, the third device may emit light blue light and the fourth device may emit deep blue light. | 04-15-2010 |
20110114994 | HYBRID LAYERS FOR USE IN COATINGS ON ELECTRONIC DEVICES OR OTHER ARTICLES - A method for protecting an electronic device comprising an organic device body. The method involves the use of a hybrid layer deposited by chemical vapor deposition. The hybrid layer comprises a mixture of a polymeric material and a non-polymeric material, wherein the weight ratio of polymeric to non-polymeric material is in the range of 95:5 to 5:95, and wherein the polymeric material and the non-polymeric material are created from the same source of precursor material. Also disclosed are techniques for impeding the lateral diffusion of environmental contaminants. | 05-19-2011 |
20110248250 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers is provided between a cathode and an anode, where the organic thin film layer comprises at least one light emitting layer, and the at least one light emitting layer comprises (a) a host material represented by the following Formula (1): Ra—Ar | 10-13-2011 |
20110284899 | Organic Light Emitting Device Lighting Panel - A first device that may include one or more organic light emitting devices. At least 65 percent of the photons emitted by the organic light emitting devices are emitted from an organic phosphorescent emitting material. An outcoupling enhancer is optically coupled to each organic light emitting device. In one embodiment, the light panel is not attached to a heat management structure. In one embodiment, the light panel is capable of exhibiting less than a 10 degree C. rise in junction temperature when operated at a luminous emittance of 9,000 lm/m | 11-24-2011 |
20120161610 | Light Extraction Block with Curved Surface - Light extraction blocks, and OLED lighting panels using light extraction blocks, are described, in which the light extraction blocks include various curved shapes that provide improved light extraction properties compared to parallel emissive surface, and a thinner form factor and better light extraction than a hemisphere. Lighting systems described herein may include a light source with an OLED panel. A light extraction block with a three-dimensional light emitting surface may be optically coupled to the light source. The three-dimensional light emitting surface of the block may includes a substantially curved surface, with further characteristics related to the curvature of the surface at given points. A first radius of curvature corresponding to a maximum principal curvature k | 06-28-2012 |
20120280631 | Illumination Source Using LEDs and OLEDs - A first device is provided, wherein the first device is an illumination source comprising OLEDs and inorganic LEDs. The first device includes a first light source that has one or more first light emitting devices. Each of the first light emitting devices includes an inorganic light emitting diode (LED) that emits light that has a peak wavelength in the visible spectrum between 400 and 500 nm. The device also includes a second light source that has one or more second light emitting devices. Each of the second light emitting devices comprises an organic light emitting diode (OLED) that emits light that has peak wavelength in the visible spectrum between 500 and 800 nm. The device also includes a driving component. The first light source and the second light source are disposed such that their emissions combine. | 11-08-2012 |
20130105774 | OLED DISPLAYS FOR ACCURATE GRAY SCALES | 05-02-2013 |
20130105777 | REDUCING OLED DEVICE EFFICIENCY AT LOW LUMINANCE | 05-02-2013 |
20130126832 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the formula (A-I): formula (A-1) wherein R | 05-23-2013 |
20130189808 | SELECTIVE OLED VAPOR DEPOSITION USING ELECTRIC CHARGES - A selective organic emissive material deposition technique is disclosed. A charged organic emissive material may be mixed with a carrier gas and ejected towards a charged intended area of a substrate. The charge for the emissive material may be such that the organic emissive material is attracted to the charged intended area of the substrate and, accordingly, deposited selectively over the charged intended area of the substrate. Additionally, surrounding unintended areas of the substrate may be charged such that the charged organic emissive material is repelled by the unintended areas. | 07-25-2013 |
20130244079 | EDGE BARRIER FILM FOR ELECTRONIC DEVICES - In some embodiments, a first product is provided. The first product may include a substrate, a device having a device footprint disposed over the substrate, and a barrier film disposed over the substrate and substantially along a side of the device footprint. The barrier film may comprise a mixture of a polymeric material and non-polymeric material. The barrier film may have a perpendicular length that is less than or equal to 3.0 mm from the side of the device footprint. | 09-19-2013 |
20130306960 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula (1): | 11-21-2013 |
20130306961 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula: | 11-21-2013 |
20130306962 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The OLEDs of the present invention are characterized by providing an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound represented by the formula (1) or (2): | 11-21-2013 |
20130306963 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The OLEDs of the present invention are characterized by providing an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a bis-carbazole derivative host material;
| 11-21-2013 |
20130320837 | Four Component Phosphorescent OLED For Cool White Lighting Application - A light emitting system is provided including a first organic light emitting device. The first organic light emitting device includes an anode, a cathode, a first organic emitting layer disposed between the anode and the cathode, and a second organic emitting layer disposed between the anode and the cathode. The first organic emitting layer and the second organic emitting layer each include an emissive dopant having a peak wavelength of between 400 to 500 nanometers, but one of the peak wavelength of one of the dopants is at least 4 nm less than the peak wavelength of the other dopant. The first organic emitting layer and the second organic emitting layer may overlap each other, such as being disposed one over the other. The device may be used in white light or multi-color systems. | 12-05-2013 |
20140054574 | HYBRID LAYERS FOR USE IN COATINGS ON ELECTRONIC DEVICES OR OTHER ARTICLES - A method for protecting an electronic device comprising an organic device body. The method involves the use of a hybrid layer deposited by chemical vapor deposition. The hybrid layer comprises a mixture of a polymeric material and a non-polymeric material, wherein the weight ratio of polymeric to non-polymeric material is in the range of 95:5 to 5:95, and wherein the polymeric material and the non-polymeric material are created from the same source of precursor material. Also disclosed are techniques for impeding the lateral diffusion of environmental contaminants. | 02-27-2014 |
20140065750 | PATTERNING METHOD FOR OLEDS - Methods of fabricating a device having laterally patterned first and second sub-devices, such as subpixels of an OLED, are provided. Exemplary methods may include depositing via organic vapor jet printing (OVJP) a first organic layer of the first sub-device and a first organic layer of the second sub-device. The first organic layer of the first sub-device and the first organic layer of the second sub-device are both the same type of layer, but have different thicknesses. The type of layer is selected from an ETL, an HTL, an HIL, a spacer and a capping layer. | 03-06-2014 |
20140073076 | STABLE BLUE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES - Novel combination of materials and device architectures for organic light emitting devices are provided. In some aspects, specific charge carriers and solid state considerations are features that may result in a device having an unexpectedly long lifetime. In some aspects, emitter purity is a feature that may result in devices having unexpectedly long lifetime. In some aspects, structural and optical considerations are features that may result in a device having an unexpectedly long lifetime. In some aspects, an emissive layer including an organic phosphorescent emissive dopant and an organic carbazole host material results in devices having an unexpectedly long lifetime. | 03-13-2014 |
20140077163 | VERY HIGH RESOLUTION AMOLED DISPLAY - OLED displays having a resolution of 300 dpi, 400 dpi, or greater are provided. Devices as disclosed may use one or more transistors, such as metal oxide transistors, which have a leakage current of not more than about 10 | 03-20-2014 |
20140077164 | OLED FABRICATION USING LASER TRANSFER - Techniques for fabricating organic light emitting devices, and devices fabricating using the disclosed techniques, are provided. In the disclosed techniques, a layer including an emissive material and a buffer material may be deposited in a single laser transfer process, such as a laser-induced thermal imaging process. The emissive and buffer materials may be deposited in discrete layers during the transfer process. Examples of buffer materials as disclosed include blocking materials, transfer materials, and the like. Additional layers may be deposited using conventional techniques or additional laser transfer processes. | 03-20-2014 |
20140077177 | LIFETIME OLED DISPLAY - Light emitting devices including sub-pixels having different numbers of emissive layers are provided. At least one sub-pixel of a first color may include a single emissive layer, and at least one sub-pixel of a second color may include multiple emissive layers disposed in a vertical stack. Light emitting devices in which different voltages are applied to each sub-pixel or group of sub-pixels are also provided. In some configurations, the voltage to be applied to a sub-pixel may be selected based upon the number of emissive layers in the sub-pixel. | 03-20-2014 |
20140077688 | LOW IMAGE STICKING OLED DISPLAY - Devices and fabrication methods thereof are provided which reduce image sticking and/or improve lifetime and performance of blue emissive devices. Each device may include non-common transport layers between emissive devices, one or more optical capping layers, light and deep blue emissive devices, a mixed host emissive layer, a high T1 transport layer, and/or a stacked blue device in conjunction with single emissive layer red and/or green devices. The provided structures may be used individually, in combination, or as a group in a single device. | 03-20-2014 |
20140078126 | LIFETIME OLED DISPLAY - Light emitting devices including sub-pixels having different numbers of emissive layers are provided. At least one sub-pixel of a first color may include a single emissive layer, and at least one sub-pixel of a second color may include multiple emissive layers disposed in a vertical stack. Light emitting devices in which different voltages are applied to each sub-pixel or group of sub-pixels are also provided. In some configurations, the voltage to be applied to a sub-pixel may be selected based upon the number of emissive layers in the sub-pixel. | 03-20-2014 |
20140084269 | THREE STACK HYBRID WHITE OLED FOR ENHANCED EFFICIENCY AND LIFETIME - OLEDs containing a stacked hybrid architecture including a phosphorescent organic emissive unit and two fluorescent organic emissive units are disclosed. The stacked hybrid architecture includes a plurality of electrodes and a hybrid emissive stacked disposed between at least two of the electrodes. The stack contains at least three emissive units and at least two charge generation layers. At least one of the three emissive units is a phosphorescent organic emissive unit and at least two of the three emissive units are fluorescent organic emissive units. More specifically, the two fluorescent organic emissive units may be blue organic emissive units that emit light from the same or different color regions. | 03-27-2014 |
20140166989 | MANUFACTURING FLEXIBLE ORGANIC ELECTRONIC DEVICES - A method of forming microelectronic systems on a flexible substrate includes depositing (typically sequentially) on a first side of the flexible substrate at least one organic thin film layer, at least one electrode and at least one thin film encapsulation layer over the at least one organic thin film layer and the at least one electrode, wherein depositing the at least one organic thin film layer, depositing the at least one electrode and depositing the at least one thin film encapsulation layer each occur under vacuum and wherein no physical contact of the at least one organic thin film layer or the at least one electrode with another solid material occurs prior to depositing the at least one thin film encapsulation layer. | 06-19-2014 |
20140166990 | MANUFACTURING FLEXIBLE ORGANIC ELECTRONIC DEVICES - A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system. | 06-19-2014 |
20140166992 | SYSTEM AND METHOD FOR A FLEXIBLE DISPLAY ENCAPSULATION - Provided is an OLED device that is rollable and has a rollable protective covering to protect the OLED when rolled. The rollable protective covering may include a single layer barrier and a plastic lid. The single layer barrier may provide permeation protection to the OLED in the OLED device. The protective covering provides mechanical protection to the OLED device when rolled. The protective covering and the OLED may be fabricated separately and assembled afterwards. | 06-19-2014 |
20140209888 | HIGH RESOLUTION LOW POWER CONSUMPTION OLED DISPLAY WITH EXTENDED LIFETIME - Arrangements of pixel components that allow for full-color devices, while using emissive devices that use blue color altering layers in conjunction with blue emissive regions, that emit at not more than two colors, and/or that use limited number of color altering layers, are provided. Devices disclosed herein also may be achieved using simplified fabrication techniques compared to conventional side-by-side arrangements, because fewer masking steps may be required. | 07-31-2014 |
20140264290 | OLED DISPLAY ARCHITECTURE - A display includes one or more organic light emitting device panels. Each organic light emitting device panel has an array of single-color subpixel areas of different colors extending over an active area thereof arranged in a predetermined pattern by color. At least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern being predetermined to be non-emissive. A volume of the organic light emitting device panel associated with the at least one predetermined non-emissive subpixel area is non-emissive and includes a via or a functional electronic component therein. | 09-18-2014 |
20140327709 | HIGH RESOLUTION LOW POWER CONSUMPTION OLED DISPLAY WITH EXTENDED LIFETIME - Arrangements of pixel components that allow driving three or less of four or more sub-pixels to emit an original color signal are disclosed. A first projection of the original color signal may be projected onto the two sub-pixel's color space. The first projection may then be projected onto a second projection corresponding to the color space of a third pixel. The third pixel may be driven based on the second projection only two of the remaining at least three sub-pixels may be driven based on the third pixel being driven. | 11-06-2014 |
20140339987 | LARGE AREA LIGHTING SYSTEM WITH WIRELESS CONTROL - Sensors and lighting components are provided that are capable of matching an emitted color to a color observed at a remote location. The sensor measures a light characteristic at a first location, and provides data to a remote lighting component, such as via a wireless connection. The lighting component is configured to emit light based upon the light characteristic, and thus is able to match an observed lighting condition. The lighting component may match the color, intensity, temperature, pattern, texture, or other characteristic of light at a remote location. | 11-20-2014 |
20140361270 | MICROLENS ARRAY ARCHITECTURES FOR ENHANCED LIGHT OUTCOUPLING FROM AN OLED ARRAY - Novel microlens array architectures for enhanced light outcoupling from light emission are provided. Organic light emitting devices (OLEDs) that include an outcoupling layer including these novel microlens array architectures and method for fabricating such OLEDs are provided. These devices may be used to provide OLEDs with optimized light extraction. | 12-11-2014 |