الفهرس | Only 14 pages are availabe for public view |
Abstract Organic light emitting devices based on quantum dots as emitting centers (QDOLEDs) have been the subject of researcher’s interest over the past three decades. Such interest is due to the expected superior properties of this new technology, e.g. thinner structure, cheaper manufacturing, low power consumption, high brightness, high contrast, wide viewing angle, and low cost over the pure organic light emitting devices (pure-OLEDs). In addition to, the wide tunable color range (by changing the quantum dot size), where the luminescence wavelength can be precisely tuned to cover all visible light spectral range with a typical spectral full width at half of a maximum (FWHM) of less than 30 nm. The narrow FWHM of (QD-OLED) results in saturated color emission. This leads to efficient (QD-LED) even in the red and blue parts of the spectrum. The broadly tunable, saturated color emission over the entire visible spectrum of a single material system is unmatched by any class of organic chromospheres. |