15.3. Also, there is more demand for next-generation light-emitting materials that can deliver a higher performance, i.e., brightness, efficiency, color quality, etc. [55]. Thus, researchers working in the field of photonics are taking efforts to improve the performance of light-emitting ...
Noun1.light-emitting diode- diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used LED alphanumeric display,digital display- a display that gives the information in the form of characters (numbers or letters) ...
The utility model discloses a light-emitting diode (LED) full-color display screen, in particular to a high-pixel-density LED full-color display screen which is good in heat dissipation. The LED full-color display screen is composed of a controller, a driving circuit and multiple LED unit ...
The continuing development of consumer electronics, mobile communications and advanced computing technologies has led to a rapid growth in data traffic, creating challenges for the communications industry. Light-emitting diode (LED)-based communication links are of potential use in both free space and ...
Flexible light-emitting devices that can transform from two-dimensional to three-dimensional (3D) forms could be of use in the development of next-generation displays. Various approaches for converting two-dimensional structures into 3D architectures have been explored, including origami methods that rel...
Sign in to download full-size image FIGURE 16.(A) Principle of white light generation in LED; (B) Excitation (solid line) and emission spectra (dotted line) of Y3Al5O12:Ce3+. We had earlier alluded to the phosphorenergy conversion efficienciesin fluorescent lamps (roughly 40% with primar...
of maximum intensity. This LED has a pretty tight viewing angle. You can see that looking straight down at the LED is when it's at its brightest, because at 0 degrees the blue lines intersect with the outermost circle. To get the 50% viewing angle, the angle at which the light is ...
The present invention discloses a light emitting diode (10A) A light emitting element (11a) connected by a conductive adhesive to ensure a material (20) to the lead frame (30) is produced, wherein the light emitting element (11a) comprises a semiconductor layer ( 9), the semiconductor laye...
Compact high-efficiency ultraviolet solid-state light sources--such as light-emitting diodes (LEDs) and laser diodes--are of considerable technological int... Y Taniyasu,M Kasu,T Makimoto - 《Nature》 被引量: 1459发表: 2006年 Warm-white-light emitting diode utilizing a single-phase full-color...
Light-emitting diodes based on halide perovskites have undergone rapid development in recent years and can now offer external quantum efficiencies of over 23%. However, the practical application of such devices is still limited by a number of factors, including the poor efficiency of blue-emitting ...