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IP rating also named as INTERNATIONAL PROTECTION, is defined by the IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION). It’s for grading the lamp in accordance with its dust / object protection level (protect from intrusion of objects) and waterproof level (protect from water and moisture). The objects referred here include: tools, fingers and so on. IP protection level […]

Illuminance is the total amount of visible light illuminating (incident upon) a point on a surface from all directions above the surface. This “surface” can be a physical surface or an imaginary plane. Therefore illuminance is equivalent to irradiance weighted with the response curve of the human eye. Standard unit for illuminance is Lux (lx) […]

The candela (abbreviation, cd) is the Standard International (SI) unit of luminous intensity. Like other SI base units, the candela has an operational definition—it is defined by a description of a physical process that will produce one candela of luminous intensity. Since the 16th General Conference on Weights and Measures (CGPM) in 1979, the candela […]

In the 60’s, with the LED into the business after decades of development, has developed a number of species, the largest category of the mainstream are: 1) Common LED (Light emitting diode): We have called LAMP LED products, a product called the P2, but also called DIP LED’s, DIP LED also includes many types: By […]

About SMD SMD (Surface Mounted Diode): surface mount diodes or surface mount components are its name, SMD also has a variety of categories: By size: 0603,0805,1210,5060,1010 and so on. Generally, SMD are diamond-shaped, so its name is based on the size L * W, the LED industry use units of inches and metric to maned […]

OLED stands for Organic Light Emitting Diode. The “organic” in OLED refers to organic material. Carbon is the basis of all organic matter. Examples of carbon-based substances include sugar, wood and the majority of plastics. The “LED” stands for “Light Emitting Diode” and describes the process of converting electric energy into light. There are two […]

Advantages: The different manufacturing process of OLEDs lends itself to several advantages over flat-panel displays made with LCD technology. Although the method is not currently commercially viable for mass production, OLEDs can be printed onto any suitable substrate using an inkjet printer or even screen printing technologies, they could theoretically have a lower cost than […]

Advantages: 1) Size: LEDs can be very small (smaller than 2 mm2) and are easily populated onto printed circuit boards. 2) Cycling: LEDs are ideal for use in applications that are subject to frequent on-off cycling, unlike fluorescent lamps that burn out more quickly when cycled frequently, or HID lamps that require a long time […]

1. OLED working principle. A Layer of organic material is sandwiched between two conductors (an anode and a cathode), which in turn are sandwiched between a glass top plate (seal) and a glass bottom plate (substrate). When electric Current is applied to the two conductors, a bright, electro-luminescent light is produced directly from the organic […]

Color temperature is a characteristic of visible light that has important applications in lighting, photography, videography, publishing, and other fields. The color temperature of a light sources is determined by comparing its chromaticity with that of an ideal black-body radiator. The temperature, usually measured in kelvins(K) at which the heated black-body radiator matches the color […]