Skip to main content

What is color temperature about flexible led strip


Correlated color temperature (or CCT) is an integral aspect of lighting design that TLP must take into account with every project. It is measured in Kelvin degrees and corresponds to the color of the light a lamp puts out.  Warm color temperatures typically used in architectural lighting usually range from 2700K to 3500K.  CCTs below 2700K start to become qualified as amber-colored, and are used in more specialty applications.  Cool color temperatures range from 4000K up to around 7000K.

Color temperature preference in lighting design varies depending on the application as well as between geographical locations.  Asian societies tend to prefer higher CCTs in residences, restaurants, and stores; whereas warmer color temperatures are typically more desirable in the same applications in Western society.  Warm CCTs give us a feeling of coziness.  Cooler color temperatures start to come into play in hospitals and some offices, where alertness and attention to fine detail become the primary concern.  Cool CCTs help us feel more awake and aware.  This is perhaps because warm color temperatures are closer to that of daylight when the sun is rising and setting (when we wake up and when we go to bed) and cooler temperatures are closer to the CCT of daylight when the sun is highest in the sky (when we are usually most alert in the course of the day).

Think about how light makes you feel when you are reading by a table lamp in your living room.  Compare this to the feeling you have when pumping gas at night: the difference you feel most likely has a lot to do with the color temperature!


Comments

Popular posts from this blog

OP AMP INTEGRATOR CALCULATOR

Enter the Input Voltage,Vin: Volts Enter the Frequency, f: Hertz Enter the Input Resistance, Rin: Ohms Enter the Value of Capacitor, C: Farads Output Voltage, Vout: Volts OP AMP based Integrator Tutorial and Design

Using the TLP250 Isolated MOSFET Driver Explanation and Example Circuits

I’ve already shown how to drive an N-channel MOSFET (or even an IGBT) in both high-side and low-side configurations in a multitude of ways. I’ve also explained the principles of driving the MOSFETs in these configurations. The dedicated drivers I’ve shown so far are the TC427 and IR2110. Some people have requested me to write up on MOSFET drive using the very popular TLP250. And I’ll explain that here. The TLP250, like any driver, has an input stage, an output stage and a power supply connection. What’s special about the TLP250 is that the TLP250 is an optically isolated driver, meaning that the input and output are “optically isolated”. The isolation is optical – the input stage is an LED and the receiving output stage is light sensitive (think “photodetector”). Before delving any further, let’s look at the pin configuration and the truth table. Fig. 1 - TLP250 Pin Configuration Fig. 2 - TLP250 Truth Table Fig. 1 clearly shows the input LED side and the receiving photodetector as well...

Block diagram of AM transmitter and receiver with explanation

Block diagram of AM transmitter and receiver with explanation AM Transmitter : Transmitters that transmit AM signals are known as AM transmitters. These transmitters are used in medium wave (MW) and short wave (SW) frequency bands for AM broadcast. The MW band has frequencies between 550 KHz and 1650 KHz, and the SW band has frequencies ranging from 3 MHz to 30 MHz. The two types of AM transmitters that are used based on their transmitting powers are: ·          High Level ·          Low Level High level transmitters use high level modulation, and low level transmitters use low level modulation. The choice between the two modulation schemes depends on the transmitting power of the AM transmitter. In broadcast transmitters, where the transmitting power may be of the order of kilowatts, high level modulation is employed. In low power transmitters, where only a few watts of transmitting power are required , low...