Cree xre lens

Types of CREE XRE Lens

CREE XRE lens are utilized in various lighting applications, each tailored to cater to specific needs. Here are the different types of CREE XRE LEDs:

• CREE XRE Q5 Lens

  The CREE XRE Q5 Lens was among the earliest iterations of the CREE XRE series. It offered a significant improvement in brightness and efficiency over previous generations of LED technology. The CREE XRE Q5 Lens was commonly used in applications such as flashlights, bike lights, and other portable and compact lighting solutions where higher brightness levels were required. It provided a bright and focused beam, making it suitable for tasks requiring good visibility.

• CREE XRE R4 Lens

  The CREE XRE R4 Lens was introduced as a further advancement in the CREE XRE series. It provided increased lumen output and improved thermal management compared to the Q5 version. This made the CREE XRE R4 Lens suitable for more demanding applications, such as industrial lighting, automotive lighting, and other fixed installations requiring high levels of illumination. The beam profile was optimized for these applications, ensuring even lighting and good visibility over larger areas.

• CREE XRE R2 Lens

  The CREE XRE R2 Lens offered a balance between performance and energy efficiency. It was designed to produce bright light while consuming less power than the Q5 and R4 versions. This made the CREE XRE R2 Lens ideal for applications where energy efficiency was crucial, such as street lighting, outdoor lighting, and other public lighting installations. The lens design ensured a wide and uniform beam, providing adequate lighting for large areas without wasting energy.

• CREE XRE R1 Lens

  The CREE XRE R1 Lens focused on compactness and integration into small form factor devices. It was smaller and more efficient, making it suitable for miniaturized lighting solutions. The CREE XRE R1 Lens was used in applications such as medical devices, consumer electronics with integrated lighting functions, and other specialized lighting applications where size and efficiency were critical. Despite its small size, the R1 Lens could deliver precise and bright lighting when needed.

Specifications and Maintenance of Cree XRE Lens

The CREE xre LED is a high-intensity light source that is used in a variety of lighting applications. It contains numerous tiny light-emitting diodes (LEDs) called chips that work together to create a bright light. By having multiple chips, the CREE xre can produce a lot of light while using very little energy. The specifications for this lens are as follows:

• 1. Peak Wavelength: 460nm (Blue), 530nm (Green), 585nm (Amber), 620nm (Red), 735nm (Deep Red), 850nm (Infrared)
• 2. Optical - 1. Lens Design: Double Convex (DCX) - DCX2 - Aspheric - A
• 3. Emission Pattern: Domed - Domed2 - Oval
• 4. Coating: Anti-Reflection Coating
• 5. Mechanical - Mounting Hole: 2.6mm
• 6. Dimensions: Length - 5.5mm; Diameter - 1.6mm (for individual chips), 2.0mm (for quad chips)
• 7. Material: Optical-grade Plastic (e.g., PMMA, Polycarbonate)
• 8. Electrical: Operating Voltage - 3.0-3.3V (for Blue, Green, and Amber); 2.0-2.6V (for Red, Deep Red, and Infrared)
• 9. Thermal: Operating Temperature -20 to 85°C (for Blue, Green, and Amber); -40 to 85°C (for Red, Deep Red, and Infrared)

When carrying out maintenance of the CREE XRE LED, the following are important:

• 1. Dust and dirt can accumulate on the lens, making it less bright. Use a soft cloth or tissue to wipe it clean gently.
• 2. If the cloth alone does not work, slightly dampen it with water or rubbing alcohol. Do not use anything too wet because moisture can harm the LED over time.
• 3. Ensure that all electrical connections are secure. Loose wires can cause flickering lights or the LED not to work.
• 4. Check for any chips or cracks in the LED itself. If found, carefully handle the LED chip so as not to cause further damage, but replacement may be necessary.
• 5. The brightness of the LED may decrease over time. If it seems much dimmer than before, it may be time to consider replacing the LED.

How to Choose Cree XRE Lens

When selecting a suitable CREE XRE lens for merchandise, consider the following factors:

• Wavelength

  Consider the emission wavelength of the CREE XRE lens. Different wavelengths correspond to different colors of light. Select the wavelength that suits the desired application or color requirement.

• Forward Voltage

  The forward voltage of the CREE XRE lens determines the electrical potential required for the light to emit. Pay attention to the forward voltage rating and ensure it matches the circuit design and power supply.

• Optical Properties

  Consider the optical characteristics of the CREE XRE lens, such as beam angle and intensity. Select a lens with optical properties suitable for the intended application and lighting requirements.

• Color Temperature

  CREE XRE lenses have different color temperature options, such as warm white, cool white, or daylight white. Choose a color temperature that matches the atmosphere and needs of the application scene.

• Application Requirements

  Depending on the specific application, additional factors such as waterproofing, dustproofing, heat dissipation, and shock resistance may need to be considered. Select CREE XRE lenses that meet relevant requirements and standards based on the application environment.

How to diy and replace cree xre lens

Cree xre lenses are used in different devices. The process of replacing a XRE lens in one device may not be the same in another. Manufacturers provide manuals with step-by-step instructions on how to replace the lens. Below are general guidelines on how to replace Cree XRE lenses.

• Find the right tools for the job. Most manufacturers will use screws and bolts to attach the lens. Users will need screwdrivers, pliers, and adhesive materials to open up the device and reach the lens.
• Switch off the device and unplug it from the power source. This will ensure that users don't get any electric shocks or damage the internal components of the device.
• Open the outer casing of the device. Depending on how it has been mounted, this may involve loosening some screws, removing clips, or prying open with a flat tool.
• Carefully detach the old lens from its housing. This can be done by removing screws or gently prying it loose from the adhesive.
• Take caution not to damage the surrounding areas or the lens itself in the process.
• Once the old lens is removed, clean the lens housing to remove any dust, dirt, or old adhesive to ensure a proper fit.
• Take the new Cree xre lens and carefully align it with the housing to ensure it fits properly.
• Once it is properly aligned, secure it in place using screws or adhesive, depending on the design.
• After securing the new lens, close the device's casing and ensure all components are returned to their original positions.
• Once the outer casing is put back together, switch on the device to test if the new lens is working well. If it doesn't work, the alignment may be wrong. Open the device again and check if the lens is correctly positioned.

FAQ

Q1: What is the CREE XRE lens used for?

A1: The CREE XRE lens is a specialized optical component used in high-performance LED lighting applications, particularly those utilizing CREE XRE LEDs. These LEDs are known for their brightness and efficiency, making them suitable for various demanding lighting needs.

The CREE XRE lens is designed to focus and direct the light emitted by the CREE XRE LED chip. By shaping the light output, the lens enhances the overall performance of the LED by concentrating its brightness into a more focused beam or spreading it out for a wider illumination area, depending on the lens design. This optimization ensures that the light output is precisely tailored to meet the requirements of specific applications, such as spotlights, floodlights, or general-purpose illumination.

Q2: What is the difference between the CREE XHP and XRE?

A2: The CREE XHP and XRE are both LED chip technologies developed by CREE, but they are designed for different applications and have distinct characteristics.

The CREE XHP series, like the XHP50.2 and XHP70.2, is optimized for high lumen output and efficiency. These LEDs are commonly used in applications where high brightness is essential, such as automotive headlights, stadium lighting, and industrial high-bay lights. The XHP series excels in delivering intense illumination while maintaining energy efficiency.

On the other hand, CREE XRE LEDs are engineered for slightly lower brightness levels compared to the XHP series. However, they are still highly efficient and suitable for various lighting applications. XRE LEDs are often used in applications requiring a balance of brightness and efficiency, such as flashlights, bike lights, and general-purpose LED lighting. While the XRE series may not match the extreme brightness levels of the XHP series, they still provide reliable performance in everyday lighting needs.

Q3: How to choose the right CREE XRE lens for a specific application?

A3: When selecting a CREE XRE lens, consider factors such as beam angle, focal length, and material. Beam angle determines the light spread, while focal length affects intensity. Choose material (glass or plastic) for durability and optical clarity based on application needs. Additionally, ensure compatibility with the LED module and housing design for proper fit and alignment.