CULE-20QS-XEG-PCL4

Application

• Non-Directional
• Directional
• Downlights
• Exterior Area
• Landscape
• Architectural
• Entertainment
• Horticulture
• Vehicle

Data Sheets

• XLamp Element G Feature Sheet
• XLamp Element G Data Sheet
• Optimising 4 Channel Led Design with XEG

Note  Cree LED maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity (CCx, CCy) measurements and a tolerance of ±2 on CRI measurements. See the Measurements section (page 97).

• XLamp XE-G LED order codes specify only a minimum flux bin and not a maximum. Cree LED may ship reels in flux bins higher than the minimum specified by the order code without advance notice. Shipments will always adhere to the chromaticity or DWL bin restrictions specified by the order code.

Other XEG Related MCPCB Products

+

Quick View

MCPCB-XEG-Q20-CU

$6.10 EX GST

+

This product has multiple variants. The options may be chosen on the product page Quick View

MCPCB-XEG-L280-AL

$4.24 EX GST

+

Quick View

MCPCB-XEG-TRI20-CU. Copper Base MCPCB for XEG LED’s with High Thermal Conductivity

$1.85 EX GST

+

Quick View

MCPCB-XEG-20-CU

$1.85 EX GST

Spectral Observations of PC Lime LEDs
An LED light engine composed entirely of PC Lime LEDs offers a unique spectral output. Here’s a detailed analysis of how these LEDs would interact and their potential applications:

PC Lime LED Characteristics
Wavelength Range:PC Lime LED: Typically emits light in the range of 490-530 nm.
Spectral Output: Covers the blue-green region of the spectrum, with some extension into the yellow-green areas.
Spectral Interactions
When multiple PC Lime LEDs are combined, their overlapping spectral outputs create a broad and consistent emission across the blue-green to yellow-green parts of the spectrum. The specific appearance and characteristics of the light depend on several factors:

Colour and Appearance:

Primary Colour: The light primarily appears as a bright lime or cool white, depending on the exact emission range and intensities.
Colour Rendering: The mix provides a strong representation of the green-yellow region, which can appear vibrant and refreshing to the human eye.
Intensity and Distribution:

Uniform Light Output: With four PC Lime LEDs, the light output will be more intense and evenly distributed, covering the desired spectral range more effectively.
Balanced Spectrum: The combination ensures a balanced spectrum within the specific wavelength range, enhancing the perceived colour uniformity and brightness.
Applications
Horticulture:

Growth Promotion: Lime LEDs can promote specific plant growth traits by providing essential wavelengths that influence photosynthesis and other growth processes.
Supplementary Lighting: They can be used as supplementary lighting to fill gaps in other primary light sources, ensuring a more comprehensive light spectrum for plant health.
General Illumination:

Ambient Lighting: The cool white appearance of PC Lime LEDs is ideal for ambient and general lighting, creating a refreshing and invigorating environment.
Mood Lighting: Their unique spectral output can contribute to creating distinctive and appealing mood lighting, enhancing the aesthetic of spaces.
Specialised Applications:

Signage and Displays: The vibrant and consistent light output makes PC Lime LEDs suitable for use in signage and display applications, where bright and clear illumination is crucial.
Architectural Lighting: These LEDs can be used in architectural lighting to highlight features with a cool, invigorating glow, enhancing the visual appeal of structures.
Technical Considerations
Drive Current and Efficiency:

Optimised Performance: The spectral output and intensity will depend on the drive current applied to each LED. Proper management of drive currents ensures optimal performance and longevity of the LEDs.
Thermal Management:

Heat Dissipation: Efficient thermal management is essential to maintain the performance and lifespan of the LEDs, preventing overheating and ensuring stable light output.
Optical Components:

Light Distribution: The use of optical components such as lenses or diffusers can help control the light distribution, ensuring uniform coverage and enhancing the overall effectiveness of the light engine.
Summary
Utilising a light engine composed of four PC Lime LEDs provides a balanced and vibrant spectral output primarily in the blue-green to yellow-green regions. This configuration is ideal for applications requiring consistent and bright illumination, such as horticulture, general and ambient lighting, signage, displays, and architectural lighting. The unique spectral properties and flexibility of PC Lime LEDs make them a versatile choice for enhancing visual appeal and functionality in various settings.

Application Examples