System, including methods and apparatus, for optical detection. The system may comprise a light source to generate a beam of light, an optical element, and a detector. The optical element may include a light guide having a shaft and a tip, with the tip forming a beveled end of the light guide. The optical element may extend into the beam, such that the tip and at least a portion of the shaft are located inside the beam, and a window of the optical element is located outside the beam. Light of the beam incident on the tip may be transmitted longitudinally through the light guide and out the window, while light of the beam incident on the shaft may be transmitted transversely through the shaft and remains in the beam downstream. The detector may be configured to detect light received from the window.

An optical circuit includes solid state photonics. The optical circuit includes a phased array of solid state waveguides that perform beamsteering on an optical signal. The optical circuit includes a modulator to modulate a bit sequence onto the carrier frequency of the optical signal, and the beamsteered signal includes the modulated bit sequence. The optical circuit includes a photodetector to detect a reflection of the beamsteered optical signal. The optical circuit autocorrelates the reflection signal with the bit sequence to generate a processed signal.

Detectors, a system and a method for detecting ionizing radiation are provided. In some aspects, a detector includes a first layer comprising a first conducting material, and a second layer comprising a second conducting material, wherein at least one of the first layer and second layer is configured to produce secondary particles upon irradiation by an ionizing radiation. The detector also includes a separating layer positioned between the first and second layer configured to transport therebetween at least one of charges associated with the secondary particles and charges produced by the secondary particles, wherein an electric current generated by the charges, and collected between the first and second layer, is indicative of properties the ionizing radiation.

In an example arrangement an apparatus includes a semiconductor substrate having a front side surface including circuitry and a backside surface opposing the front side surface; a plurality of metal conductors formed over a front side surface of the semiconductor substrate; at least one cavity opening etched in a backside surface of the semiconductor substrate; and a radiator formed in a portion of the metal conductors and configured to radiate signals through the cavity opening in the backside surface. Methods and additional apparatus arrangements are also disclosed.

A fuel additive imparting high lubricity to gasoline and diesel fuels while concurrently increasing miles and reducing emissions. The fuel additive is formed of a plurality of individual components having individual and a combined synergistic effect along with components increasing fuel lubricity which are mixed with a liquid fuel-soluble carrier and added to the fuel supply of internal combustion engines.

A method for obtaining diesel fuel from vegetable or animal oils through the addition of hydrogen in the presence of catalysts under suitable temperature and pressure conditions is described. The method is different from other similar methods in that it involves the use of space velocities of between 5.1 h-1 and 9 h-1, thereby enabling a reduction in the size of the reactor and in hydrogen consumption, as well as lowering construction and operating costs. The invention also relates to the products obtained using said method, which have demonstrated that in additions, even below 10%, they improve the performance of diesel engines, thereby lowering fuel consumption.

The disclosure describes a high energy density jet fuel composition, having a smoke point about 18 mm as determined by ASTM D1322 and a thermal stability of no more than 25 mm Hg as determined by ASTM D 3241, and a method for making a jet fuel composition, wherein the net heat of combustion is determined by the aromatics content, cycloparaffins content, and normal plus or iso paraffins content in the jet fuel composition.

Methods and systems are provided for disinfecting water mains using ultraviolet (UV) light and advanced oxidation processes. One or more UV light sources are provided and secured to a movable device that moves axially in a pipe. The frequency and intensity of the UV light is determined based on characteristics of the pipe, such as its material and size. The rate at which the movable device moves through the pipe is also determined so that the interior surface of the pipe is properly disinfected. The movable device is remotely caused to move through the pipe. An oxidant supply component having a dispensing portion dispenses an oxidizing agent into the pipe. A portion of the emitted UV light may convert the dispensed oxidizing agent into additional oxidizing agents that further disinfect the pipe.

There is provided a method of desanding a production flow with at least liquid and solid phases. An inlet is connected to a flow line of a sand trap body having a first filter housing defining a first bore and a plurality of second filter housings defining second bores each connected to the first filter housing at spaced intervals transverse to and in fluid communication with the first bore. The flow path between the stand trap inlet and outlet is defined by the first and second housings. A primary filter is inserted into each of the second bores, the production flow is flowed through the sand trap body such that the production flow is filtered by the primary filters, and then a secondary filter is inserted into the first bore. The mesh size of the primary filters is finer than or equal to the mesh size of the secondary filter.

A process for inhibiting formation of calcium scale in a reverse osmosis desalination membrane during desalination involving desalinating an aqueous salt solution comprising water, sodium chloride, calcium chloride, and sodium bicarbonate with the reverse osmosis desalination membrane, while concurrently irradiating the aqueous salt solution with a UV light source that emits UV light with a wavelength of 250-400 nm. Scale formation is inhibited by treating a salt solution with the UV light in a continuous or a non-continuous process.

"So the last time we played here was September 6th, 1993," announced Billie Joe Armstrong. He was on stage at storied Berkeley venue 924 Gilman Street, flanked by Mike Dirnt, Tre Cool, Jason White, and Jason Freese.…

If you could get through the long line, the Oakland Autumn Lights Festival dazzled with both large- and small-scale light installations woven into the greenery at the Gardens at Lake Merritt.

Roughly fifty demonstrators marched from Fruitvale BART on Friday night to Oakland City Hall in an anti-police rally called in response to the fatal shooting of Richard Perkins by Oakland police on November 15. But unlike protests earlier this year, police didn’t try to drive demonstrators onto the sidewalks to comply with Oakland Mayor Libby Schaaf’s policy banning nighttime street marches.…

A recent boxing showcase at a defunct West Oakland train station captured the historic spirit of the site. On Saturday June 11, Osric Pratt Promotions presented Unfinished Business, a showcase of Northern California boxing culture at the historic 16th Street train station in West Oakland. The event consisted of seven boxing matches, interspersed with hip-hop and poetry performances.…

From plain cheese slices to pan pizza to slices drizzled with balsamic reduction, Graffiti Pizza has you covered. After the clock strikes midnight in Oakland, there's no shortage of tacos, burritos, or won ton noodle soup. But one of the most classic of late-night foods — pizza by the slice — was hard to find in Oakland during the wee hours.…

Oakland Restaurant Week is more than just about eating great food. The program, presented by Visit Oakland in partnership with See Eat Love, also celebrates the history of cuisine in The Town so that diners can learn the stories behind their meals and get rare peeks at behind-the-scenes events. ORW20 - 15sec from Visit Oakland on Vimeo. Oakland Restaurant Week is more than just about eating great food.…

Light harvesting luminescent multichromophores that are configured upon excitation to transfer energy to, and amplify the emission from, an acceptor signaling chromophore in energy-receiving proximity therewith are provided. Also provided are compositions for labelling a target. The labelling composition may include a donor light harvesting multichromophore and an acceptor signaling chromophore in energy-receiving proximity to the donor light harvesting multichromophore. Also provided is an aqueous composition for labelling a target, including: a donor light harvesting multichromophore; an acceptor signaling chromophore in energy-receiving proximity therewith; and a sensor biomolecule. Methods for using the subject compositions are also provided.

A population of bright and stable nanocrystals is provided. The nanocrystals include a semiconductor core and a thick semiconductor shell and can exhibit high extinction coefficients, high quantum yields, and limited or no detectable blinking.

I was wondering why the iconic Civic Centre clock in Southampton is not lit up blue on Thursday at 8pm to clap for the NHS.

The live streaming scene might feel crowded, but this week Mixcloud has introduced their own endeavor. They’ve launched a streaming platform built specifically for DJs, Mixcloud Live—not only taking on streaming giants like Facebook, Twitch, and Youtube, but also creating much-needed relief for DJ streams that are continually flagged for copyright. The team at Mixcloud […]

The post Mixcloud Launches A DJ Live Streaming Platform With Copyright Figured Out appeared first on DJ TechTools.

A polymer comprising a first repeating unit represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

A compound represented by Formula 1 and an organic light-emitting device including the same are provided:

Disclosed is a display device having a display panel that includes a plurality of pixels in a display area, each pixel including a first thin film transistor (TFT); a plurality of pads in a non-display area outside the display area that provide operating signals to the plurality of pixels in the display area, each pad including a first signal line running toward the display area and a second signal line running toward an outer edge of the display panel, with each pad disposed between the first and second signal lines; and an extension line crossing one or more of second signal lines of the plurality of pads, two ends of the extension line running toward the outer edge of the display panel, wherein each of the one or more of second signal lines of the plurality of pads includes an active layer of a second TFT.

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2:

The present specification provides a hetero-cyclic compound and an organic light emitting device including the hetero-cyclic compound.

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:

A compound includes a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent, and a second substituent. Each of the first substituent and the second substituent includes a furan skeleton, a thiophene skeleton, or a pyrrole skeleton. The first substituent is bonded to a pyrimidine ring included in the benzofuropyrimidine skeleton or a pyrimidine ring included in the benzothienopyrimidine skeleton. The second substituent is bonded to a benzene ring included in the benzofuropyrimidine skeleton or a benzene ring included in the benzothienopyrimidine skeleton. The light-emitting element includes the compound.

A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2 Formula 1 wherein in Formula 1, Ar1, Ar2, L1, and L2 are the same as described in the specification.

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein a case where the first compound is 4,4'-bis(N-carbazolyl)-1,1'-biphenyl(CBP) is excluded:

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by one selected from Formulae 1-1 and 1-2 and a second compound represented by one selected from Formulae 2-1 to 2-3.

A compound is represented by Formula 1 and an organic light-emitting device including the same: wherein Formula 1 is the same as described above.

A light-emitting element with high emission efficiency and high reliability is provided. The light-emitting element includes a light-emitting layer containing a first organic compound, a second organic compound, and a guest material. The first organic compound has a nitrogen-containing six-membered heteroaromatic skeleton. In the light-emitting layer, the weight ratio of an organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the first organic compound is less than or equal to 0.03, or alternatively, the weight ratio of the organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the second organic compound is less than or equal to 0.01.

An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).

An organic light emitting element includes a first electrode a second electrode that faces the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including quantum dots, and a hole transport layer between the first electrode and the emission layer. The quantum dots include at least one of a Group I-VI compound, a Group II-VI compound, and a Group III-VI compound. The hole transport layer includes at least one of a p-doped Group I-VI compound, a p-doped Group II-VI compound, and a p-doped Group III-VI compound.

An organic light emitting display (OLED) device can include a substrate on which first to third light emitting portions are defined, first electrodes respectively positioned on the first to third light emitting portions, a first stack formed on the first electrodes and including first, second and third light emitting layers corresponding to the first, second and third light emitting portions, respectively, an N-type charge generation layer (CGL) positioned on the first stack, a transition metal oxide layer positioned on the N-type CGL, a second stack positioned on the transition metal oxide layer and including fourth, fifth and sixth light emitting layers corresponding to the first, second and third light emitting portions, respectively, and a second electrode positioned on the second stack.

A light emitting diode includes a first electrode, a second electrode facing the first electrode, and a mixture layer between the first electrode and the second electrode. The mixture layer includes a quantum dot, a hole transporting material, and an electron transporting material.

A light-emitting device includes a pair of first electrodes arranged separated from and opposing each other on a first surface of a substrate; a light-emitting layer arranged on at least one of the first electrodes; a second electrode arranged on the light-emitting layer; and a bridge layer connecting the first electrodes. The bridge layer is formed of a material having a resistance that falls within a range of 100 kΩ to 100 MΩ.

A light-emitting device having a light-extraction structure includes: a first electrode; a second electrode; a light-emitting layer disposed between the first electrode and the second electrode; and an inorganic-material-based layer disposed between the first electrode and the light-emitting layer or between the second electrode and the light-emitting layer. The inorganic-material-based layer has thickness of 100 nm or more and has conductivity of 10−6 Ω−1cm−1 or more and 100 Ω−1cm−1 or less.

A light emitting device and a method for manufacturing the same are disclosed. Herein, the light emitting device comprises: a substrate having a light emitting region and a sealing region surrounding the light emitting region; an OLED unit disposed over the light emitting region; a protection layer disposed over the OLED unit; a support unit disposed over the sealing region, wherein materials of the protection layer and the support unit are the same, and the support unit connects to the protection layer; and a cover disposed over the protection layer and the support unit; wherein a first height is between a surface of the support unit adjacent to the cover and a surface of the substrate, a second height is between a surface of the protection layer adjacent to the cover and the surface of the substrate, and the first height is larger than the second height.

An organic light emitting display includes: an organic light emitting display panel including a light emitting surface and a non-light emitting surface opposite the light emitting surface; a heat radiation layer on the non-light emitting surface and having an emissivity equal to or greater than about 0.8 and less than about 1; and a protective member spaced from the heat radiation layer such that an air layer is between the protective member and the heat radiation layer. The protective member includes a base layer and a heat absorbing layer having an emissivity greater than an emissivity of the base layer.

The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, a first electrode, a light-emitting function layer, and a second electrode including Ag or a metal alloy containing Ag. When the second electrode is made of the metal alloy containing Ag, a content of Ag in the second electrode is more than a sum of contents of all other elements in the second electrode.

The present disclosure provides a method for packaging an organic light-emitting diode (OLED) display panel. The method includes providing a first substrate and a second substrate; forming a first bonding layer in a packaging region of the first substrate; and forming a second bonding layer in a packaging region of the second substrate. The method also includes bonding the first substrate with the second substrate by molecular bonding between the first bonding layer and the second bonding layer.

A light emitting device having a structure in which oxygen and moisture are prevented from reaching light emitting elements, and a method of manufacturing the same, are provided. Further, the light emitting elements are sealed by using a small number of process steps, without enclosing a drying agent. The present invention has a top surface emission structure. A substrate on which the light emitting elements are formed is bonded to a transparent sealing substrate. The structure is one in which a transparent second sealing material covers the entire surface of a pixel region when bonding the two substrates, and a first sealing material (having a higher viscosity than the second sealing material), which contains a gap material (filler, fine particles, or the like) for protecting a gap between the two substrates, surrounds the pixel region. The two substrates are sealed by the first sealing material and the second sealing material. Further, reaction between electrodes of the light emitting elements (cathodes or anodes) and the sealing materials can be prevented by covering the electrodes with a transparent protective layer, for example, CaF2, MgF2, or BaF2.

The present application discloses a light emitting diode comprising a plurality of sub-pixels comprising a first electrode layer, wherein the first electrode layer is a reflective electrode layer; a second electrode layer; a light emitting layer between the first electrode layer and the second electrode layer; a first microcavity tuning layer sandwiched by the first electrode layer and the light emitting layer within the plurality of sub-pixels; and a second microcavity tuning layer sandwiched by the first microcavity tuning layer and the light emitting layer within at least one of the plurality of sub-pixels, and the first microcavity tuning layer is sandwiched by the first electrode layer and the second microcavity tuning layer within the at least one of the plurality of sub-pixels. The first microcavity tuning layer is made of a material including a transparent conductive material in a first state and the second microcavity tuning layer is made of a material including a transparent conductive material in a second state, the first state and the second state are different states selected from a crystalline state and an amorphous state.

An organic light-emitting device is provided. The organic light-emitting device includes a substrate having a first surface and a second surface opposite to the first surface; an organic light-emitting element disposed on the first surface; and a low refractive index layer disposed on the second surface, wherein the low refractive index layer includes a mixture including polyvinylidene fluoride and inorganic nano-platelet, a hyperbranched polysiloxane, or a combination thereof.

An organic light-emitting diode (OLED) display panel and an OLED display apparatus are provided. The OLED display panel comprises: a first electrode and a second electrode disposed in a stacked configuration, wherein at least one of the first electrode and the second electrode is a light-output-side electrode; an organic luminescent layer disposed between the first electrode and the second electrode; an electron transport layer disposed between the organic luminescent layer and the second electrode; and an optical coupling layer disposed on a surface of the light-output-side electrode far away from the organic luminescent layer. The electron transport layer contains element ytterbium (Yb) with a volume percentage equal to or less than approximately 3%.

A gas turbine engine cooling system includes a gas turbine engine. The gas turbine engine includes a core engine, a cold sink, a core undercowl space, and a core cowl at least partially surrounding the core engine and defining a radially outer wall of the core undercowl space. The gas turbine engine cooling system includes an undercowl component positioned in the core undercowl space. The gas turbine engine cooling system also includes a heat pipe including a first end, a second end, and a conduit extending therebetween. The first end is thermally coupled to the undercowl component, and the second end is thermally coupled to the cold sink. The heat pipe facilitates transfer of a quantity of heat from the undercowl component to the cold sink.

Systems and methods for recovering light hydrocarbons from refinery waste gas using a back-end turboexpander to generate a higher recovery of the light hydrocarbons for use as petrochemical feedstock and to remove the liquid light hydrocarbons before entering the turboexpander.

IS war ever justified?

News you don't want to miss for April 9:

1. Six residents at a nursing home in Hayward have died from covid-19, the East Bay Times reports.…