PLED
Short for polymer, or polymeric, light-emitting diode, a backlighting, illumination and display technology. Polymers are substances formed by a chemical reaction in which two or more molecules combine to form larger molecules. PLEDs are thin film displays that are created by sandwiching an undoped conjugated polymer between two proper electrodes at a short distance. The polymer emits light when exposed to electricity. PLEDs enable full-spectrum color displays and are relatively inexpensive compared to other display technologies such as LCD or OLED and require little power to emit a substantial amount of light.
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- PLM
Short for Product Lifecycle Management, it refers to a set of software tools used for mechanical design, analysis and manufacturing to support products from when they are first conceived through distribution and retirement. *PLM is assembled from various software programs, rather than purchased outright as a single commercial off-the-shelf product. Once assembled, a well-designed PLM […]
- PLL
Short for phase-locked loop, an electronic circuit that controls an oscillator so that it maintains a constant phase angle (i.e., lock) on the frequency of an input, or reference, signal. A PLL ensures that a communication signal is locked on a specific frequency and can also be used to generate, modulate and demodulate a signal […]
- PLMN
Short for public land mobile network, a generic term for a mobile wireless network that is centrally operated and administrated by an organization and uses land-based radio frequency transmitters or base stations as network hubs. PLMNs can stand alone and interconnect with one another or connect to a fixed system such as the PSTN. Cellular […]
- PL/B
Short for Programming Language for Business, PL/B is an English-like high-level programming language that offers screen, file and character string manipulation. The PL/B source code will compile and run without changes across multiple platforms and it incorporates strong file access capabilities that distinguish it from other languages. PL/B is also multi-user friendly, as no additional […]
- PL/SQL
Short for Procedural Language/SQL, Oracle��s procedural extension to the industry-standard SQL. By adding procedural constructs to SQL, such as encapsulation, function overloading, information hiding, block structure, conditional statements, loop statements, variable types, structured data and customized error handling, the PL/SQL language takes on characteristics of object-oriented programming languages. PL/SQL’s language syntax, structure and data types […]