Technical Articles
Marktech Optoelectronics has published these technical articles:
(Light Sources)
From this Article:
LED lamps emit different colors (wavelengths) depending on the materials they are made of. LED lamps based on public standards, for example, LED lamps for specialized traffic signals or automotive...
(Light Sources)
From this Article:
If there were ever any question that LEDs would be such a dominating lighting technology just take a look around. They are virtually everywhere. From standard indicators on stereo equipment, laptops...
(Proximity or Presence Sensing)
From this Article:
LEDs (Light Emitting Diodes), semiconductor light sources, have been introduced and developed for several decades. LEDs are
applied in many devices as indicators and general illumination products such...
(Optoelectronics)
From this Article:
The basic circuit of an optical sensor is shown in Figure 2-2.1(a). The anode of the LED is connected to the power line VCC via resistor RE and the cathode is grounded....
(Light Sources)
From this Article:
LED lamps are sold either loose or tape products. For mounting by hand, loose products are generally used, whereas tape products are required for automatic mounting....
(Light Sources)
From this Article:
The characteristics of a LED lamp change according to the chip temperature (Tj: the temperature of the junction emitting the light)....
(Light Sources)
From this Article:
As mentioned earlier, the luminous intensity of LED lamps characteristically declines slowly with use. Select LED lamps according to the level of reliability require in the equipment in which they...
(Light Sources)
From this Article:
A LED can be lit using one of two methods: the static lighting method, in which a constant current is input continually over time, and the dynamic lighting method in which current is fed in continuous...
(Light Sources)
From this Article:
When the LED first became commercially available, over 40 years ago, no one really paid much attention to how it was made or what it consisted of chemically. This was in part due to the fact that only...
(Light Sources)
From this Article:
Ultraviolet light occurs between the visible and x-ray spectrums. The Ultraviolet wavelength range is specified as 10 nm to 400 nm; however, many optoelectronic companies also consider wavelengths as...
(Light Sources)
From this Article:
The features of LED lamps become clear by comparison with tungsten filament incandescent lamps and discharge tubes in their light emitting mechanisms and structures....
(Light Sources)
From this Article:
LEDs are compound semiconductor devices. Their optical wavelength depends on the elements and the ratio between them....