Science Source December 28, 2009 DVD
EN_00957730_1040
LED and incandescent bulb. A light-emitting diode (LED) is based on a forward-biased semiconductor heterojunction. The price point for recently-developed high-power white LEDs is approaching consumer levels. They are beginning to be used for lighting and illumination applications (called solid-state lighting). Compared to conventional incandescent light bulbs, LEDs are much more efficient, durable, and have longer lifetime. Solid-state lighting is expected to eventually replace conventional incandescent and even fluorescent light bulbs.
2011-03-20
EAST NEWS
Science Source
GIPhotoStock
bp0664
0,61MB
25cm x 38cm przy 300dpi
A, AND, APPLICATIONS, APPROACHING, ARE, BANKA, BASED, BE, BEGINNING, BIALA, BIALE, BIALY, BIEL, BULB, BULBS, BULWA, CALLED, CEBULKA, CENA, COMPARED, CONSUMER, CONVENTIONAL, DIODE, DURABLE, EFFICIENT, EMITTING, EVEN, EVENTUALLY, EXPECTED, FIZYKA, FLUORESCENCYJNA, FLUORESCENCYJNE, FLUORESCENCYJNY, FLUORESCENT, FOR, FORWARD-BIASED, GIPHOTOSTOCK, HAVE, HETEROJUNCTION, HIGH-POWER, ILLUMINATION, INCANDESCENT, IS, JASNA, JASNY, KOLBA, KONWENCJONALNA, KONWENCJONALNE, KONWENCJONALNY, LED, LEDS, LEKKA, LEKKI, LEKKIE, LEVELS, LIFETIME, LIGHT, LIGHT-EMITTING, LIGHTBULB, LIGHTING, LONGER, MORE, MUCH, ON, OPTICAL, OPTICS, OSTWIETLENIE, OSWIETLANIE, OSWIETLENIE, PHYSICS, PIORUN, POCZATEK, PODEJSCIE, POINT, POLPRZEWODNIK, PRICE, RECENTLY-DEVELOPED, REPLACE, SEMICONDUCTOR, SKUTECZNA, SKUTECZNE, SKUTECZNY, SOLID, SOLID-STATE, SOURCE, STALA, STALE, STALY, STAN, STATE, SWIATLO, TECHNOLOGIA, TECHNOLOGY, THE, THEY, TO, TRWALA, TRWALE, TRWALY, USED, UZYTA, UZYTE, UZYTY, UZYWANA, UZYWANE, UZYWANY, WHITE, ZAROWKA, ZAROWKI,