electroluminescence वाक्य
उदाहरण वाक्य
मोबाइल
- In its simplest form, an LED is a forward-biased p-n junction, emitting light through spontaneous emission, a phenomenon referred to as electroluminescence.
- Upon returning to light emitting diodes, demonstrating that the light emission phenomenon was injection electroluminescence and that the frequency response was sufficiently fast to permit video display applications.
- The term " solid state " refers commonly to light emitted by solid-state electroluminescence, as opposed to incandescent bulbs ( which use thermal radiation ) or fluorescent tubes.
- One example : Technology first developed to make Trident missiles impervious to clouds of radiation amid a nuclear war was adapted for chips used in a growing array of products employing electroluminescence.
- This technique allows the characterization of different aspects of photovoltaic cells : external quantum efficiency with the help of photoluminescence and electroluminescence hyperspectral measurements combined with a spectral and photometric absolute calibration method.
- "' Printed Segmented Electroluminescence "'( pSEL ) is a technology ( developed by UK company MFlex, formerly known as Pelikon ) that builds on the phenomenon of electroluminescence.
- "' Printed Segmented Electroluminescence "'( pSEL ) is a technology ( developed by UK company MFlex, formerly known as Pelikon ) that builds on the phenomenon of electroluminescence.
- In the period of 1924 and 1941, he published a number of articles detailing the function of a solid-state light source that he developed, which would generate light by electroluminescence.
- The x-y coordinate of the event is inferred from electroluminescence photons at the top array by statistical methods ( Monte Carlo and maximum likelihood estimation ) to a resolution under 1 cm.
- A much higher electric field above the liquid surface pulls the electrons out of the liquid and into the gas, where they produce electroluminescence photons ( in the same way that neon sign produces light ).
- Also, ITO thin films are used primarily to serve as coatings that are anti-reflective and for liquid crystal displays ( LCDs ) and electroluminescence, where the thin films are used as conducting, transparent electrodes.
- Pope's group also first observed direct current ( DC ) electroluminescence under vacuum on a single pure crystal of anthracene and on anthracene crystals doped with tetracene in 1963 using a small area silver electrode at 400 volts.
- Subject to the kind of electric input ( AC or DC ) and the type of luminescent material used ( organic, inorganic, powder, polymer, thin film, etc . ) there are several different kinds of electroluminescence.
- They showed that efficient electroluminescence can be generated in a vapor-deposited thin amorphous bilayer of an aromatic diamine ( TAPC ) and Alq3 sandwiched between an indium-tin-oxide ( ITO ) anode and an Mg : Ag cathode.
- "' Electroluminescence "'( "'EL "') is an optical phenomenon and electrical phenomenon in which a material emits light in response to the passage of an electric current or to a strong electric field.
- Another $ 2 million came from Planar Systems of Beaverton, Ore ., which developed the new high-resolution, lightweight display panels ( called AMEL, for active-matrix electroluminescence ) to be used in the eyeglasses of the new mobile computer.
- Also in 1965, W . Helfrich and W . G . Schneider of the National Research Council in Canada produced double injection recombination electroluminescence for the first time in an anthracene single crystal using hole and electron injecting electrodes, the forerunner of modern double-injection devices.
- Pope's group reported in 1965 that in the absence of an external electric field, the electroluminescence in anthracene crystals is caused by the recombination of a thermalized electron and hole, and that the conducting level of anthracene is higher in energy than the exciton energy level.
- Research into polymer electroluminescence culminated in 1990 with J . H . Burroughes " et al . " at the Cavendish Laboratory in Cambridge reporting a high efficiency green light-emitting polymer based device using 100 nm thick films of poly ( p-phenylene vinylene ).
- Researchers from IRDEP ( Institute of Research and Developpement in Photovoltaic Energy ) in collaboration with Photon etc . ?were able to determine the splitting of the quasi-Fermi level with photoluminescence mapping while the electroluminescence data were used to derive the external quantum efficiency ( EQE ).
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