LED Lighting Components
LED (Light-Emitting Diode) components are diodes that transform electrical energy to light. LED parts and lighting components include LED power supplies, LED driver ICs and high brightness LEDs that can be used in everything from remote-control circuits to car headlights. The main benefit of LEDs over other light sources is they convert electricity directly into light, instead of converting it into heat first. Read More
How LEDs Work
LEDs have two electrodes: cathode and anode. Electricity flows in via the anode and it goes out via the cathode. LEDs are semiconductors that conduct electricity only in certain conditions. LEDs are sensitive to light intensities and specific voltages.
What Are the Components of LED Lights?
- LED chips are the heart of the LED light and, depending on the semiconductor material used, determine the color produced.
- Lens/optics control and direct the light output affecting the angle and distribution of the light.
- Heat sinks manage the heat generated and prevent overheating, prolonging the LED’s lifespan.
- LED drivers ensure LED chips are supplied with the correct voltage and current.
- Lead frame with two leads for easier electrical connection.
- Housing/base for mechanical support: for example, in new LED bulbs that need housing to fit the standard light socket.
- Packaging or encapsulation using epoxy to protect the chips from environmental factors like dust and moisture and help direct the light output.
- Microcontrollers, which could control additional features.
What Components Make LEDs Flash?
Some common components and methods for making LEDs flash:
- Resistors are used to limit the current flowing through the LED. More specifically, variable resistors (potentiometers) can be used to adjust the flashing rate.
- Transistors can be used to switch the LED on and off rapidly.
- The 555 timer IC is a versatile integrated circuit that can be used to generate various types of waveforms, including square waves, which are commonly used to make LEDs flash.
- Microcontrollers like the Arduino or Raspberry Pi can be programmed to control LEDs and make them flash in various patterns.
- LED drivers and controllers come with built-in flashing or PWM (Pulse Width Modulation) functionality and can simplify the task of making LEDs flash.
- LEDs can be made to flash in response to external stimuli, such as light sensors detecting changes in ambient light levels or motion detectors sensing movement.
- RC (Resistor-Capacitor) oscillator circuits can be used to generate a blinking signal that drives the LED.
Semiconducting Materials in LEDs
There are two semiconducting materials working in a light-emitting diode: the N-type and the P-type. These are doped, so their electrical properties are already altered.
LED Colors
The first LED color was red, but there are now different varieties of LED modules you can choose from, including white and blue, which are more expensive than the other colors because they are more costly to manufacture. There are also bi-color and tri-color LEDs.
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Parts from LED Lighting Components Category
CITIZEN CLL030 (HEAT STAKE VERSION) ROHS COMPLIANT: YES
LED HOLDER, CREE CXA ARRAY; PRODUCT RANGE:-; HOLDER TYPE:HOLDER; NO. OF LEDS:1LEDS ROHS COMPLIANT: YES
LED HOLDER, CREE CXA ARRAY; PRODUCT RANGE:-; HOLDER TYPE:HOLDER; NO. OF LEDS:1LEDS ROHS COMPLIANT: YES
LED HOLDER, CREE CXA ARRAY; PRODUCT RANGE:-; HOLDER TYPE:HOLDER; NO. OF LEDS:1LEDS ROHS COMPLIANT: YES
LED HOLDER, PHILIPS LUXEON COB LED; PRODUCT RANGE:-; HOLDER TYPE:HOLDER; NO. OF LEDS:1LEDS ROHS COMPLIANT: YES
LED HOLDER, CREE CXA ARRAY; PRODUCT RANGE:-; HOLDER TYPE:HOLDER; NO. OF LEDS:1LEDS ROHS COMPLIANT: YES
LED HOLDER W/O LENS, CREE XLAMP MP-L LED ARRAYS; For Use With:Cree XLamp MP-L COB LED Arrays; External Diameter:-; External Length:44.85mm; Holder Type:Holder; Product Range:180160 Series; Accessory Type:LED Holder; No. of LEDs:1LEDsRoHS Compliant: Yes
LED HOLDER WITH LENS, CREE XLAMP MP-L LED ARRAYS; For Use With:Cree XLamp MP-L COB LED Arrays; External Diameter:-; External Length:44.85mm; Holder Type:Holder; Product Range:180160 Series; Accessory Type:LED Holder RoHS Compliant: Yes
LED HOLDER, 13.35Mm x 13.35MM COB LED; For Use With:Cree CXA13 & CXB13 LEDs; External Diameter:25mm; External Length:-; Holder Type:Holder Assembly; Product Range:SlimRay 180555 Series; Contact Material:Copper Alloy; No. of LEDs:1LEDs RoHS Compliant: Yes
