Purple Light Emitting Diodes (LED)
Last Updated: January 31, 2025
Description
Purple Light Emitting Diodes (LEDs) are semiconductor light sources that emit light in the purple spectrum when activated. They are designed to produce a specific wavelength of light, which is determined by the materials used in their construction. These LEDs are compact and energy-efficient, making them suitable for various lighting applications.
Working Principle
Purple LEDs operate on the principle of electroluminescence, where a p-n junction diode emits light when an electrical current passes through it. When voltage is applied, electrons recombine with holes in the semiconductor material, releasing energy in the form of light. The specific color of the light, in this case, purple, is determined by the energy band gap of the semiconductor material used. This makes them useful for applications requiring specific light wavelengths, as they can be precisely engineered to emit the desired color.
Applications
While specific applications for purple LEDs are not detailed in the provided documents, LEDs in general are used in a wide range of applications such as indicator lights, displays, and general illumination. Purple LEDs could potentially be used in applications where specific color rendering is required, such as in artistic lighting, horticultural lighting to influence plant growth, or in scientific instruments that require precise wavelength emissions.
Advantages over other Light Emitting Diodes (LED)
Purple LEDs share the general advantages of LEDs, such as energy efficiency, compact size, and long lifespan. They are robust and compatible with integrated circuits, which makes them suitable for a variety of electronic applications. Their ability to emit a specific wavelength of light can be advantageous in applications requiring precise color control.
Limitations
One limitation of LEDs, including purple LEDs, is their sensitivity to voltage and temperature. They require current-regulated power supplies to prevent overload, and excessive heat can degrade their performance and lifespan. Additionally, the light quality of LEDs can be inferior to natural light, affecting color rendering properties.
Considerations
When considering the use of purple LEDs, factors such as initial costs, operating expenses, and durability should be taken into account. LEDs tend to have higher upfront costs compared to conventional lighting, but their long lifespan and energy efficiency can offset these costs over time. Proper heat management is crucial to maintain performance and extend the lifespan of the LEDs. Additionally, the specific wavelength and color rendering properties should be considered to ensure they meet the requirements of the intended application.
from DigiKey
Addressable Lighting - 100 LED Strip Purple 5000.00mm L [See More]
- LED Type: Purple
from RS Components, Ltd.
PowerStar Stanley 1N Pink 70CRI 4100K [See More]
- LED Type: Pink; Purple; Purple Pink
- Array: Array
- Color Temperature: 4100
- Number of Array Elements: 1
from DigiKey
LED Lighting Color LUXEON SunPlus 35 Horticulture Purple 1414 (3535 Metric) [See More]
- LED Type: Purple
- Forward Current: 300
- Viewing Angle: 115
- Forward Voltage: 2.8
from RS Components, Ltd.
Horticulture High Power LED,Purple 405nm [See More]
- LED Type: Purple; Purple
- Viewing Angle: 120
- Peak Wavelength: 412
- Optical Power Output: 760
from DigiKey
LED Lighting Color LUXEON SunPlus 2835 Horticulture Purple 1411 (3528 Metric) [See More]
- LED Type: Purple
- Forward Current: 480
- Viewing Angle: 120
- Forward Voltage: 2.85
from RS Components, Ltd.
Horticulture High Power LED,Purple 405nm [See More]
- LED Type: Purple; Purple
- Viewing Angle: 120
- Peak Wavelength: 412
- Optical Power Output: 760
from DigiKey
JE2835 3V N CLASS PC PURPLE [See More]
- LED Type: Purple
- Forward Current: 350
- Viewing Angle: 118
- Forward Voltage: 2.89
from RS Components, Ltd.
DURIS E 2835 Color LED,Purple [See More]
- LED Type: Purple; Purple
- Number of Array Elements: 8
- Forward Voltage: 2.7
from DigiKey
LED Lighting Color TitanBrite ™ Purple, Ultraviolet (UV) 405nm (Typ) 2-SMD, Flat Lead [See More]
- LED Type: Ultraviolet; Purple
- Viewing Angle: 100
- Peak Wavelength: 405
- Forward Current: 700
from RS Components, Ltd.
DURIS E 2835 Color LED,Purple [See More]
- LED Type: Purple; Purple
- Number of Array Elements: 8
- Forward Voltage: 2.7
from DigiKey
Purple LED Indication - Discrete 3.2V Radial [See More]
- LED Type: Purple
- Luminous Intensity: 2200
- Viewing Angle: 20
- Forward Voltage: 3.2
from DigiKey
Purple LED Indication - Discrete 3.2V 2-PLCC [See More]
- LED Type: Purple
- Luminous Intensity: 100
- Viewing Angle: 120
- Forward Voltage: 3.2
from LCSC Electronics Technology (HK) Limited
5mA 25mcd 无 色 透 明 透 镜 正 贴 390nm~447nm Purple 120 ° 75mW 2.9V~3.5V 0603 Light Emitting Diodes (LED) ROHS [See More]
- LED Type: Purple; Purple
- Viewing Angle: 120
- Peak Wavelength: 390 to 447
- Luminous Intensity: 25
from Kingbright Corporation
Features and Applications. Industry standard PLCC-2 package. 3.5 x 2.8 x 1.9mm (LxHxW) SMT LED. Suitable for all SMT assembly and solder process. Package : 2000pcs / reel. Moisture sensitivity level : level 3. RoHS compliant. Ideal for backlighting. Illuminating icon. Marker lights (e.g. Steps, exit... [See More]
- LED Type: Purple
- Luminous Intensity: 250
- Viewing Angle: 120
from Utmel Electronic Limited
Purple 5 mm 20 ° 2200 mcd 3.2 V Water Clear Through Hole LED - T-1 3/4 [See More]
- LED Type: Purple
from LCSC Electronics Technology (HK) Limited
20mA 无 色 透 明 透 镜 160mcd -30 °C~+80 °C 395nm~405nm 正 贴 Purple 120 ° 60mW 3V~3.4V SMD3528 Light Emitting Diodes (LED) ROHS [See More]
- LED Type: Purple; Purple
- Viewing Angle: 120
- Peak Wavelength: 395 to 405
- Luminous Intensity: 160
from LCSC Electronics Technology (HK) Limited
500mA 透 明 透 镜 -20 °C~+85 °C 365nm~370nm Positive post Purple 120 ° 2W 3.2V~3.8V SMD3535 Light Emitting Diodes (LED) ROHS [See More]
- LED Type: Purple; Purple
- Viewing Angle: 120
- Peak Wavelength: 365 to 370
- Forward Current: 500