Patent application number | Description | Published |
20090121619 | OLED Having A Charge Transport Enhancement Layer - Charge transport enhancement layers and structures are provided that may improve the performance of organic devices, specifically organic light emitting devices. A charge transport enhancement layer may include a layer or an inorganic material, metal oxide, halide, and/or alkali disposed between two organic layers, and separated from the cathode by an intervening organic layer. One or more CTELs may be used, such as in an alternating stack of organic and CTEL layers. Surprisingly, it has been found that the use of one or more CTELs arranged in a stack with intervening organic layers may improve the performance of the device even where the layer is not directly adjacent to the cathode. | 05-14-2009 |
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 |
20110163332 | OLEDS AND OTHER ELECTRONIC DEVICES USING DESICCANTS - Electronic devices that use desiccants for protection from moisture. The electronic devices comprise a substrate ( | 07-07-2011 |
20120068162 | PERMEATION BARRIER FOR ENCAPSULATION OF DEVICES AND SUBSTRATES - A permeation barrier film structure for organic electronic devices includes one or more bilayers having a hybrid permeation barrier composition. Each of the one or more bilayers includes a first region having a first composition corresponding to a first CF | 03-22-2012 |
20120181933 | OLED LIGHTING DEVICE WITH SHORT TOLERANT STRUCTURE - A first device that may include a short tolerant structure, and methods for fabricating embodiments of the first device, are provided. A first device may include a substrate and a plurality of OLED circuit elements disposed on the substrate. Each OLED circuit element may include a fuse that is adapted to open an electrical connection in response to an electrical short in the pixel. Each OLED circuit element may comprise a pixel that may include a first electrode, a second electrode, and an organic electroluminescent (EL) material disposed between the first and the second electrodes. Each of the OLED circuit elements may not be electrically connected in series with any other of the OLED circuit elements. | 07-19-2012 |
20120286302 | Flexible Lighting Devices - A first device and methods for manufacturing the first device are provided. The first device may comprise a flexible substrate and at least one organic light emitting device (OLED) disposed over the flexible substrate. The first device may have a flexural rigidity between 10 | 11-15-2012 |
20120286650 | Process For Fabricating OLED Lighting Panels - Systems and methods for the design and fabrication of OLEDs, including high-performance large-area OLEDs, are provided. Variously described fabrication processes may be used to deposit and pattern bus lines and/or insulators using vapor deposition such as vacuum thermal evaporation (YTE) through a shadow mask, and may avoid multiple photolithography steps. Bus lines and/or insulators may be formed with a smooth profile and a gradual sidewall transition. Such smooth profiles may, for example, reduce the probability of electrical shorting at the bus lines. Other vapor deposition systems and methods may include, among others, sputter deposition, e-beam evaporation and chemical vapor deposition (CVD). A final profile of the bus line and/or insulator may substantially correspond to the profile as deposited. A single OILED devices may also be formed with relatively large dimension. | 11-15-2012 |
20130033185 | EXTENDABLE LIGHT SOURCE WITH VARIABLE LIGHT EMITTING AREA - Embodiments may provide an extendable light source with a variable light emitting area. A first device is provided that includes a support, a first substrate movably coupled to the support, and a plurality of lighting devices disposed on the first substrate. The plurality of lighting devices includes a first portion of lighting devices and a second portion of lighting devices. The first device also includes an energizing component that is configured to selectively energize the first portion and the second portion of lighting devices based on a position of the first substrate relative to the support. | 02-07-2013 |
20130037827 | OLED LIGHT PANEL WITH CONTROLLED BRIGHTNESS VARIATION - Embodiments may provide a light source with a controlled brightness variation. A first device is provided that includes a substrate and a plurality of OLEDs disposed on the substrate. Each of the OLEDs includes a first electrode, a second electrode, and an organic electroluminescent (EL) material disposed between the first and the second electrodes. The plurality of OLEDs comprise a first group and a second group where a first current density is supplied to the first group of the plurality of OLEDs and a second current density that is different from the first current density is supplied to the second group of the plurality of OLEDs. Each of the plurality of OLEDs is commonly addressable and at least one of the OLEDs in the first group of OLEDs has substantially the same device structure as at least one of the OLEDs in the second group of OLEDs. | 02-14-2013 |
20130044487 | DYNAMIC STRETCHABLE OLED LAMP - Flexible substrates bearing OLEDs are provided. The flexible substrates are attached to support structures that, when moved, cause the flexible structures to change shape and to thereby change the distribution of radiant intensity emanating from the OLEDs on the flexible substrates. | 02-21-2013 |
20130048961 | ORGANIC LIGHT EMITTING DEVICE WITH ENHANCED EMISSION UNIFORMITY - A light emitting device with high light emission uniformity is disclosed. The device contains a first electrically conductive layer having a positive polarity and an electrically conductive uniformity enhancement layer in contact with the first electrically conductive layer. The device also contains a second electrically conductive layer having a negative polarity and a light-emitting structure situated between the first and the second electrically conductive layers. The light-emitting structure contains an organic material in direct contact with the second electrically conductive layer. The uniformity enhancement layer transmits essentially all wavelengths of light emitted by the light-emitting structure. Compared to devices lacking a uniformity enhancement layer, the device exhibits higher spatial uniformity in luminance and in color spectrum. | 02-28-2013 |
20130146875 | SPLIT ELECTRODE FOR ORGANIC DEVICES - A device is provided. The device includes a first electrode, an organic layer disposed over the first electrode and a second electrode disposed over the organic layer. The second electrode further includes a first conductive layer having an extinction coefficient and an index of refraction, a first separation layer disposed over the first conductive layer, and a second conductive layer disposed over the first separation layer. The first separation layer has an extinction coefficient that is at least 10% different from the extinction coefficient of the first conductive layer at 500 nm, or an index of refraction that is at least 10% different from the index of refraction of the first conductive layer at 500 nm. The device also includes a barrier layer disposed over the second conductive layer. | 06-13-2013 |
20130202782 | Thin Film Permeation Barrier For Devices And Substrates - A method for fabricating a device having a barrier layer over a substrate is provided. A first sublayer of the barrier layer may be deposited via chemical vapor deposition using a first set of deposition parameters. The first set of deposition parameters may include a power density, a deposition pressure, a non-deposition gas flow rate and a deposition gas flow rate. One or more parameters may be set related to the flow ratio of non-deposition gas to deposition gas multiplied by the power density, or the power density divided by (1) the deposition pressure, (2) the sum of the non-deposition gas flow rate and the deposition gas flow rate, or (3) the precursor gas flow rate. The material of the first barrier layer may be selected to have a particular plasma etch rate compared to the etch rate of thermally growth silicon oxide under the same etching conditions. | 08-08-2013 |
20130241076 | ELECTRONIC DEVICE WITH REDUCED NON-DEVICE EDGE AREA - A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device. | 09-19-2013 |
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 |
20130285024 | Electronic Device with Reduced Non-Device Edge Area - A first product as disclosed herein includes multiple devices, such as OLEDs, which are moveably connected to one another. The devices may be moveable from a first position in which they are stacked, closed, rolled, or the like, to a second expanded position in which they may be usable together as a single device. Active areas of the devices may be disposed within 3 mm from each adjacent or included active area when the device is in the first position, the second position, or both. Each active device may include a barrier film that covers at least a portion of the substrate and/or the active area of one or more of the devices. | 10-31-2013 |
20130285088 | OUT COUPLING LAYER CONTAINING PARTICLE POLYMER COMPOSITE - Light emitting devices comprising an optical layer comprising metal oxide particles having a polymer covalently bonded thereto and a light emitting layer, which is in optical communication with the optical layer are provided. Methods of fabricating a light emitting devices comprising: depositing an optical layer comprising metal oxide particles having a polymer covalently bonded thereto; and depositing a light emitting layer, which is in optical communication with the optical layer are also provided. | 10-31-2013 |
20130334510 | ELECTRONIC DEVICES WITH IMPROVED SHELF LIVES - Embodiments of the present invention provide electronic devices such as OLEDs that have enhanced mechanical integrity and prolonged shelf, by minimizing the spread of a delamination region using topographical non-uniformities introduced in the device structure. For example, a device may be made deliberately non-planar by introducing multiple energy barriers which can prevent or minimize the propagation of a delamination, because the delamination will have to cross the energy barriers in order to spread to a larger area. | 12-19-2013 |
20140016284 | MEANS TO PROVIDE ELECTRICAL CONNECTIONS TO BORDERLESS FLEXIBLE DISPLAY - Systems and methods for the design and fabrication of flexible devices, including high-performance large-area OLEDs, narrow border display panels and lighting panels are provided. Various described fabrication- and design-processes may be used to provide the necessary electrical drive to lighting and display panels. Electrical drive may be provided to one or more row- and column-signals by patterning conductive elements near the panel edge. The electrical elements may further be folded over a region near the panel edge back on itself, such that electrical traces may route around the display edge. This may allow the display active area to be substantially the same area as its viewing area, and furthermore may allow pixels go substantially all the way to the edge of the viewing area. | 01-16-2014 |
20140027740 | LUMINAIRE AND INDIVIDUALLY REPLACEABLE COMPONENTS - Luminaires and luminaire components are provided that may include emissive, index-matching, and/or outcoupling components that are replaceable separately from other components of the luminaire. In some embodiments, an index-matching component may include a gel sheet or pad that can be disposed between an emissive component and an outcoupling component. The index-matching component may be replaceable separately from the emissive and outcoupling components. In some embodiments, an emissive component including an OLED panel and/or an index-matching component may be replaceable separately from other components of the luminaire. | 01-30-2014 |
20140049923 | THIN FILM DISPOSITION - A method of preparing a surface for deposition of a thin film thereon, wherein the surface including a plurality of protrusions extending therefrom and having shadowed regions, includes locally treating at least one of the protrusions. | 02-20-2014 |
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 |
20140061608 | OLEDS AND OTHER ELECTRONIC DEVICES USING DESICCANTS - Electronic devices that use desiccants for protection from moisture. The electronic devices comprise a substrate and an organic element disposed over the top surface of the substrate. The substrate has one or more voids which may store desiccants. The voids may penetrate partially or completely through the thickness of the substrate. An environmental barrier is disposed over the organic element and the voids. Also provided are methods for making electronic devices that use desiccants. | 03-06-2014 |
20140087497 | BARRIER FILM FOR ELECTRONIC DEVICES AND SUBSTRATES - Methods for forming a coating over a surface are disclosed. A method includes directing a first source of barrier film material toward a substrate in a first direction at an angle θ relative to the substrate, wherein θ is greater than about 0° and less than about 85°. Additionally, a method of depositing a barrier film over a substrate includes directing a plurality of N sources of barrier film material toward a substrate, each source being directed at an angle θ | 03-27-2014 |
20140091282 | PROCESS FOR FABRICATING METAL BUS LINES FOR OLED LIGHTING PANELS - Systems and methods for the design and fabrication of OLEDs, including high-performance large-area OLEDs, are provided. Variously described fabrication processes may be used to deposit and pattern bus lines with a smooth profile and a gradual sidewall transition. Such smooth profiles may, for example, reduce the probability of electrical shorting at the bus lines. Accordingly, in certain circumstances, an insulating layer may no longer be considered essential, and may be optionally avoided altogether. In cases where an insulating layer is not used, further enhancements in the emissive area and shelf life of the device may be achieved as well. According to aspects of the invention, bus lines such as those described herein may be deposited, and patterned, using vapor deposition such as vacuum thermal evaporation (VTE) through a shadow mask, and may avoid multiple photolithography steps. Other vapor deposition systems and methods may include, among others, sputter deposition, e-beam evaporation and chemical vapor deposition (CVD). A final profile of the bus line may substantially correspond to the profile as deposited. | 04-03-2014 |
20140098034 | MULTI-FUNCTION HAND HELD DEVICE - A device is provided that includes a display that is switchable between a collapsed state and an extended state. In the collapsed state, the display is approximately the size of a smartphone. The device may be unfolded or unrolled to the extended state, which is approximately the size of a tablet or three times the size of a smartphone. The device may be held and operated with one hand in the collapsed state while the extended state may require two hands to hold or operate. The device may include a housing affixed to a flexible display. The housing may be used to incorporate rigid electronics or a battery into the device. | 04-10-2014 |
20140098549 | SEMI-RIGID ELECTRONIC DEVICE WITH A FLEXIBLE DISPLAY - A semi-rigid electronic device is disclosed that includes a flexible panel and a housing. The housing may have a physical dimension L, such as length, height, or a diagonal. The minimum bending device radius of the device along the dimension L may be L/pi when held at an edge. The bending radius increases the more rigid the device. The housing, electronic components, and display may each contribute to the flexibility of the overall device. The housing and/or the flexible panel may also include one or more ribs to constrain movement of the semi-rigid device. | 04-10-2014 |
20140099479 | FLEXIBLE SCREEN BACKED WITH RIGID RIBS - A device is disclosed that includes one or more ribs that allow a flexible device, such as an OLED display, to flex in a first direction but resist flexing in a second direction. The ribs may have stiffening elements attached to them that may lessen flexing in the first direction. Sensors may also be incorporated that signal the stiffening elements. The ribs and stiffening elements have application to a variety of display types such as cell phones, TVs, and movie screens. | 04-10-2014 |
20140110681 | TRANSPARENT DISPLAY AND ILLUMINATION DEVICE - A transparent emissive device is provided. The device may include one or more OLEDs having an anode, a cathode, and an organic emissive layer disposed between the anode and the cathode. In some configurations, the OLEDs may be non-transparent. The device may also include one or more locally transparent regions, which, in combination with the non-transparent OLEDs, provides an overall device transparency of 5% or more. | 04-24-2014 |
20140139458 | TRANSPARENT DISPLAY AND ILLUMINATION DEVICE - A transparent emissive device is provided. The device may include one or more OLEDs having an anode, a cathode, and an organic emissive layer disposed between the anode and the cathode. In some configurations, the OLEDs may be non-transparent. The device may also include one or more locally transparent regions, which, in combination with the non-transparent OLEDs, provides an overall device transparency of 5% or more. The device also may include a double-sided display capable of displaying different, identical, or related images on each side of the device. | 05-22-2014 |
20140166986 | SYSTEM AND METHOD FOR MATCHING ELECTRODE RESISTANCES IN OLED LIGHT PANELS - Provided are an OLED device and a method of manufacturing the OLED device that may provide improved luminance uniformity. The disclosed OLED may have a first electrode that has a first sheet resistance Rs, and a second electrode that has a second sheet resistance, wherein the second sheet resistance may be in the range of 0.3Rs-1.3Rs. In addition, the disclosed OLED may have a plurality of equal potential difference between points on a first electrode and a second electrode. The equal potential difference may be provided by a gradient resistance formed on at least one of the electrodes. | 06-19-2014 |
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 |
20140167602 | WEARABLE DISPLAY - OLED displays capable of operation at a sunlight readable luminance value are disclosed. Devices as disclosed may be wearable such that the display is flexible and the operating temperature rise due to the display operation is below a threshold. Displays with an operating power consumption density of not more than 65 mW/cm | 06-19-2014 |
20140170787 | MANUFACTURING FLEXIBLE ORGANIC ELECTRONIC DEVICES - A method of making a flexible organic electronic device includes forming a first portion including a first flexible substrate, wherein the first portion is formed under a first set of conditions to provide a barrier system, separately forming a second portion comprising at least one organic electronic device region deposited upon a second flexible substrate, wherein the second portion is formed under a second set of conditions, different from the first set of conditions, and placing the first portion over the second portion (although not necessarily in contact therewith) to cover the organic electronic device region. The organic electronic device region is not placed in physical contact with another solid material before placing the first portion over the second portion. | 06-19-2014 |
20140248727 | Flexible Lighting Devices - A first device and methods for manufacturing the first device are provided. The first device may comprise a flexible substrate and at least one organic light emitting device (OLED) disposed over the flexible substrate. The first device may have a flexural rigidity between 10 | 09-04-2014 |
20140284555 | LIGHTING DEVICES - A device includes a light emitting assembly including at least one light panel including at least one phosphorescent organic light emitting device. A total light emitting area of the light emitting assembly is greater than 1000 cm | 09-25-2014 |
20140286008 | LIGHTING DEVICES - A device includes a light emitting assembly including at least one light panel including one or more phosphorescent organic light emitting devices. The device may, for example, be a personal lighting device. The at least one light panel has a peak luminance less than 5,000 cd/m | 09-25-2014 |
20140332780 | OLED LIGHTING DEVICE WITH SHORT TOLERANT STRUCTURE - An OLED panel having a plurality of OLED circuit elements is provided. Each OLED circuit element may include a fuse or other component that can be ablated or otherwise opened to render the component essentially non-conductive. Each OLED circuit element may comprise a pixel that may include a first electrode, a second electrode, and an organic electroluminescent (EL) material disposed between the first and the second electrodes. Each of the OLED circuit elements may not be electrically connected in series with any other of the OLED circuit elements. | 11-13-2014 |
20140334146 | LIGHTING DEVICES INCLUDING TRANSPARENT ORGANIC LIGHT EMITTING DEVICE LIGHT PANELS AND HAVING INDEPENDENT CONTROL OF DIRECT TO INDIRECT LIGHT - A lighting device for emitting direct light and indirect light, includes a first transparent light panel comprising at least one organic light emitting device, the first transparent light panel emitting direct light and indirect light during operation thereof; and at least a second transparent light panel comprising at least one organic light emitting device, the second transparent light panel emitting direct light and indirect light during operation thereof, the second transparent light panel being positioned so that at least a portion of indirect light emitted from the first transparent light is transmitted through the second transparent light panel and at least a portion of direct light emitted from the second transparent light panel is transmitted through the first transparent light panel, wherein the first transparent light panel is controllable independently from the second transparent light panel to control a ratio of direct light to indirect light emitted by the lighting device. Other aspects are described and claimed. | 11-13-2014 |
20140339525 | OLED WITH COMPACT CONTACT DESIGN AND SELF-ALIGNED INSULATORS - OLEDs and techniques for fabricating OLEDs are provided, in which the OLED has a shortest lateral current path through an active region that is longer than the shortest lateral electric field line within the active region. Such configurations prevent “hot spots” in the OLED panel, leading to a more uniform emission by the panel. | 11-20-2014 |
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 |
20140340901 | MACRO-IMAGE OLED LIGHTING SYSTEM - Techniques to fabricate and assemble a lighting system including multiple patterned OLED lighting panels to form a high-resolution macro image are provided. An image to be displayed is determined and divided into multiple portions. Patterned static OLED lighting panels that display each portion of the image are fabricated and assembled into a fixture to form a macro-image lighting system. The fixture may removably receive and hold individual panels, such that each panel may be replaced if any malfunction occurs. Each of the patterned OLED panels may be individually driven through an electrical connection within the fixture so as to be operated at substantially the same brightness and/or same chromaticity. | 11-20-2014 |
20140361251 | PRE-STRESSED FLEXIBLE OLED - Devices are provided that include a flexible OLED panel and a connection between points of the flexible OLED panel that causes the flexible OLED panel to be disposed in a non-planar configuration. Alternatively or in addition, the connection may be a flexible component connected to the flexible OLED panel, which is configured to maintain the flexible OLED panel in the non-planar shape. | 12-11-2014 |
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 |
20150060777 | FLEXIBLE SUBSTRATE FOR OLED DEVICE - Flexible substrates and devices including flexible substrates are provided. In an embodiment, a flexible substrate includes a first glass substrate material and a first organic light emitting device, disposed over the first flexible substrate, which includes a first emissive layer The first flexible substrate may have a thickness of not more than 300 μm, a flexural rigidity of 10 | 03-05-2015 |
20150061504 | INTELLIGENT DIMMING LIGHTING - Systems, devices, and techniques are provided for operating a display and/or an illumination source based upon the direction of a user's gaze and/or a desired illumination level in a monitored area. One or more elements may be controlled with sensor input and application lighting preferences. For example, when a user receives a video call, light may be activated to illuminate their face. When the user is looking at the display, the display will be at the brightness necessary for the lighting conditions. When the user looks away from the screen, the screen may dim further and the lighting elements for the desk can brighten. Similarly, embodiments may adjust the lighting in a monitored location based upon lighting levels identified in other areas. | 03-05-2015 |
20150069370 | SPLIT ELECTRODE FOR ORGANIC DEVICES - A device includes a first electrode, an organic layer disposed over the first electrode and a second electrode disposed over the organic layer. The second electrode includes a first conductive layer, a first separation layer disposed over the first conductive layer, and a second conductive layer disposed over the first separation layer, wherein the first separation layer is not a continuous layer and the first and second conductive layers are bridged where the first separation layer is not continuous. The first separation layer has an extinction coefficient that is at least 10% different from the extinction coefficient of the first conductive layer at wavelength 500 nm, or an index of refraction that is at least 10% different from the index of refraction of the first conductive layer at wavelength 500 nm. | 03-12-2015 |