Queendom Group Technology Co., Ltd.

24/10/2024

20 years of LEDs innovation!
Discover QUEENDOM, a trusted expert in LED packaging device manufacturing. Our product range:
• High-power LEDs
• SMD LEDs
• Through-hole LEDs
• LED components and modules
• LED digital displays

Core advantages: ceramic high-power LEDs, infrared LEDs, medical LED light sources

ASM\KS production equipment in the United States, with a monthly output of 300-500KK
Sales in more than 100 countries around the world, suppliers of Fortune 500 companies

Explore our products now and increase the value of your business!
Official website: https://www.queendomlamp.com/

16/10/2024

Overview of infrared LEDs:

Concept
Infrared LEDs (infrared light emitting diodes) are near-infrared light-emitting devices that convert electrical energy into light energy. The infrared light it emits is invisible to the human eye, but can be detected by specific receivers (such as infrared photodiodes).

infrared LEDs light emitting diodes # IR LED Lamp #

Overview of infrared LEDs？Infrared LEDs (infrared light emitting diodes) are near-infrared light-emitting devices that convert electrical energy into light energy

16/10/2024

Detailed introduction of 3535 ceramic LEDs:

Concept
3535 ceramic LEDs are LED lamps that use ceramic packaging technology. Their structural dimensions are 3.5mm×3.5mm, and they usually belong to the category of medium to high power LED chips. This packaging technology makes the LED lamp beads more stable and reliable, and is suitable for various high-demand lighting and display applications.

Electrical properties
The electrical properties of 3535 ceramic LEDs mainly include parameters such as voltage, current and power. These parameters vary depending on the specific LED model and application requirements. Generally speaking, 3535 ceramic LEDs support low voltage operation and have a long working time. At the same time, they usually have high luminous efficiency and low energy consumption, which can achieve efficient and energy-saving lighting effects.

Features
High brightness and light collection: 3535 ceramic LEDs have high brightness output and can meet various high-brightness lighting needs. At the same time, their good light collection performance makes the light more concentrated, improving the lighting effect.
High stability and reliability: Ceramic packaging technology gives 3535LEDs higher stability and reliability, enabling them to better withstand external environmental influences such as temperature changes and humidity fluctuations, and extend their service life.
Good heat dissipation performance: The copper substrate heat dissipation solution adopted enables 3535 ceramic LEDs to effectively dissipate heat during operation, avoid overheating damage, and improve overall performance.
Rich colors and wavelengths: 3535 ceramic LEDs provide a variety of colors and special wavelengths to meet the lighting and display needs of different applications.
Classification
3535 ceramic LEDs can be classified according to different parameters such as luminous color, power, and wavelength. For example, according to the luminous color, it can be divided into white light, red light, yellow light, blue light, etc.; according to the power, it can be divided into medium power and high power, etc.; according to the wavelength, it can be divided into visible light and invisible light. In addition, it can also be classified according to packaging form, size structure and other characteristics.

Application
Indoor and outdoor lighting: The high brightness and stability of 3535 ceramic LEDs make it an ideal choice for indoor and outdoor lighting. Whether it is street lights, mining lamps or indoor lamps, 3535 ceramic LEDs can achieve efficient and energy-saving lighting effects.
Automotive lighting: With the continuous development of the automotive industry, the requirements for LED lamp beads are getting higher and higher. 3535 ceramic LEDs are widely used in automotive lighting fields such as headlights and interior lighting due to their high brightness, stability and reliability.
Display screens: 3535 ceramic LEDs are also commonly used in display fields such as outdoor large screens and indoor display screens. Its high brightness, stability and rich color selection make the display screen clearer and more vivid.
Other applications: In addition, 3535 ceramic LEDs are also widely used in backlight sources, landscape lighting, special lighting, stage lighting and signal lights. These applications usually have high requirements for the brightness, stability, life and other aspects of LED lamp , and 3535 ceramic LEDs can meet these needs.
In summary, 3535 ceramic LEDs have been widely used in the fields of lighting and display due to their unique packaging technology, high brightness, high stability and reliability, and good heat dissipation performance.

3535 ceramic LEDs # High Power LED # LED lamp # 3535LEDs #3535 Ceramic high-power LEDs

Queendom 3535 Biological LEDs ,Medical LEDs,PCR Instrument LEDs, aluminum nitride ceramic substrate L,silicone mold top, main applications: medical instruments, PCR.

12/10/2024

High bay light This product is designed with all-aluminum material, durable and good heat dissipation; regular power 100w 150W 200W,
Products are used in supermarkets, large workshops, steel plants, warehouses, road toll stations, gas stations, large supermarkets, exhibition halls,
Gymnasium, car waiting hall, railway station waiting hall and other places that require high space Luminoso LED Lighting
bay light Lighting #

led high bay light also known as high ceiling light, led highbay a beautiful appearance that resembles a flying saucer UFO, so called UFO led high bay light.

12/10/2024

5050 PCR LEDs optical instrument

5050 PCR LEDs
Size: 5.0mm x 5.0mm
Power: 5-15W
Voltage: 1.8-12V
Current: 300mA-1500MA
CCT: 3000/4000/5000K
Efficacy: 110-180 lm/w
CRI: 90 CRI
Color: red, orange, yellow, green, emerald green, blue, purple,IR
Appearance: Clear
Bracket: ceramics
Material: 99.99% gold
Chip material: GaN, AlP, GaAs, etc.
Chip brand: Jingyuan, Sanan, CREE, Toyota, New Century;
Chip specifications: typ：30-55mil, etc.;
Divergence angle: 120°
Certification standards: ROHS, REACH, EN60471.

12/10/2024

3535 LEDs # PCR LEDs

3535 LEDs
Size 3.5mm x 3.5mm
Power: 1W-3W
Voltage: 1.8-3.6v
Current: 300mA-1000MA
Efficiency: 100-150lm/W
Lighting angle: 120°
Color: red, orange, yellow, green, blue, purple

Queendom 3535 Biological LEDs ,Medical LEDs,PCR Instrument LEDs, aluminum nitride ceramic substrate L,silicone mold top, main applications: medical instruments, PCR.

12/10/2024

5mm LEDs # PCR LEDs

Size: 5mm x 8.7mm
Power: 0.2W
Voltage: 1.8-3.4V
CCT: 3000/4000/5000K
Color: red, orange, yellow, green, emerald green, blue, purple,IR
Current: 60mA
Efficacy: 80-110 lm/w
CRI: 90 CRI

5mm LEDs | PCR LEDs | PCR light source | Fluorescence photodiode 5mm LEDs # PCR LEDs Size: 5mm x 8.7mm Power: 0.2W Voltage: 1.8-3.4V CCT: 3000/4000/5000K Color: red, orange, yellow, green, emerald green, blue, purple,IR Current: 60mA Efficacy: 80-110 lm/w CRI: 90 CRI Appearance: Clear Bracket: iron....

30/09/2024

Plant Grow Lights Typical Models

Plant grow lights, also known as grow lights, are artificial light sources specifically designed to emit electromagnetic radiation suitable for photosynthesis, thereby stimulating plant growth. These lights are used in applications where natural light is unavailable or supplementary lighting is required. Various typical models of plant grow lights exist in the market, catering to different needs and preferences. Here are some common types:

1. LED Grow Lights
Features: LED grow lights use light-emitting diodes (LEDs) as their light source. They are energy-efficient, long-lasting, and can be tailored to emit specific wavelengths of light that are beneficial for plant growth.
Applications: Suitable for indoor gardening, hydroponics, greenhouses, and other controlled environments.
Models: Various models are available, including those with adjustable spectrums, timers, and dimming functions.
2. Fluorescent Grow Lights
Features: Fluorescent grow lights use fluorescent bulbs to produce light. They are relatively inexpensive and easy to find.
Applications: Often used in smaller growing spaces or as supplementary lighting.
Models: Available in different wattages and lengths to suit various growing needs.
3. Incandescent Grow Lights
Features: Incandescent grow lights use incandescent bulbs, which produce a broad spectrum of light similar to sunlight. However, they are less energy-efficient than LED and fluorescent lights.
Applications: Used less frequently due to their high energy consumption and shorter lifespan.
Models: Generally fewer models available compared to LED and fluorescent lights.
4. High-Intensity Discharge (HID) Grow Lights
Features: HID grow lights, such as metal halide and high-pressure sodium lamps, produce intense light suitable for fast plant growth and flowering.
Applications: Often used in commercial growing operations or large-scale indoor gardens.
Models: Available in different wattages and sizes to cover larger growing areas.
5. Full-Spectrum Grow Lights
Features: Full-spectrum grow lights emit a balance of red, blue, and other wavelengths of light to mimic the natural spectrum of sunlight.
Applications: Suitable for all stages of plant growth, from seedling to flowering.
Models: Various models are available, including those with adjustable spectrums and timers.
6. Solar-Powered Grow Lights
Features: Solar-powered grow lights use solar panels to harness energy from the sun and store it in batteries for use at night or during cloudy days.
Applications: Ideal for off-grid or remote growing locations.
Models: Often compact and portable, with adjustable light intensity and spectrum.
Design Considerations
When choosing a plant grow light model, several factors should be considered:

Wattage and Lumens: Higher wattage and lumens generally mean more intense light, which may be suitable for faster plant growth but also consume more energy.
Spectrum: Different plants may require different spectrums of light for optimal growth. Full-spectrum lights are versatile but may not be as efficient as lights tailored to specific wavelengths.
Coverage Area: The size of the growing area will determine the number and type of grow lights needed.
Energy Efficiency: LED lights are generally more energy-efficient than incandescent or HID lights.
Cost: The initial cost of the grow lights, as well as the ongoing cost of electricity, should be considered.
In conclusion, the typical models of plant grow lights vary widely in terms of features, applications, and design considerations. Choosing the right model depends on the specific needs of the grower, including the type of plants being grown, the size of the growing area, and the available budget.

Grow Lights Typical Models # led Plant Grow Lights # LED Plant Lights Grow Lights # LED grow light manufacturer #

Queendom mainly introduces LED grow lights; including LED tube grow lights, spotlight grow lights, panel grow lights, linear grow lights, etc.;

30/09/2024

Characteristics of PCR LED light source
PCR LED light source plays an important role in PCR (polymerase chain reaction) technology. Its characteristics and applications can be summarized as follows:

Characteristics of PCR LED light source Characteristics of PCR LED light source High efficiency and energy saving: LED light source has high efficiency of power conversion efficiency, which can directly convert electrical energy into light energy, reducing energy loss.

28/09/2024

National Day Holiday Notice

Dear all partners, customers, and employees: Hello!
According to the national holiday arrangements and the actual situation of our company,
the 2024 National Day holiday arrangements are hereby notified as follows:
1. Holiday time The 2024 National Day holiday will be from October 1 (Tuesday) to October 6 (Monday), a total of 6 days. Among them, October 1 to October 3 are legal holidays for National Day, and the rest of the time is adjusted to work, and work will officially resume on October 7.
2. Work arrangements Please make work arrangements before the holiday in advance for the heads of each department to ensure the normal operation of the company’s business during the holiday. For emergency matters that need to be handled during the holiday, please formulate emergency plans in advance and designate someone to be responsible. During the holiday, if any employee needs to work overtime due to work, please apply to the department manager in advance, and adjust the holiday or pay overtime pay in accordance with the company’s regulations.
3. Matters needing attention Before the holiday, please conduct a safety inspection of the office area in each department, turn off unnecessary power supplies and doors and windows, and ensure the safety of the company’s property. During the holidays, all employees are requested to pay attention to personal health and safety, comply with local epidemic prevention and control policies, and reduce unnecessary gatherings and travel. If there is an emergency or assistance is needed, please contact the company’s on-duty personnel in a timely manner.
4. Return to work arrangements All employees are requested to return to work on time on October 7 (Monday). After returning to work, please ask the heads of each department to organize a department meeting to summarize and sort out the work during the holidays to ensure the smooth progress of subsequent work. Thank you all for your hard work and contribution! I wish you all a happy National Day, good health, and a happy family! This is to inform you.

https://www.queendomlamp.com/national-day-holiday-notice/

26/09/2024

Led floodlight.:
A large number of wholesale, Middle East national welfare, the highest cost performance of the whole network.
Welcome to consult.

13/09/2024

Mid-Autumn Festival Holiday Notice

https://www.queendomlamp.com/mid-autumn-festival-holiday-notice/

28/08/2024

What is an emergency light sensor?
As an indispensable part of modern security systems, emergency sensor light has a series of unique features and a wide range of application scenarios. The following is a detailed analysis of its features and applications:
Features
Automatic sensing and quick response:
Emergency sensor light has built-in sensors that can automatically sense changes in the surrounding environment, such as reduced light, increased smoke concentration or human activity, and respond quickly to provide necessary lighting or warning signals.
Emergency lighting function:

https://www.queendomlamp.com/what-is-an-emergency-light-sensor/

28/08/2024

What is the difference between normal LED and infrared LED?
Infrared LEDs (infrared light emitting diodes), as a special type of LED, have many classification methods and are widely used in many fields. The following is a detailed answer to the classification and application of infrared LEDs:
Classification
Infrared LEDs can be mainly classified according to the following aspects:
Wavelength:
According to the wavelength range, infrared LEDs can be divided into near infrared, mid-infrared and far infrared. The near infrared wavelength range is 700 nanometers to 1000 nanometers, the mid-infrared wavelength range is 1000 nanometers to 1500 nanometers, and the far infrared wavelength range is 1500 nanometers to 2000 nanometers. In addition, there are subdivisions of short-wave infrared LEDs (such as around 850nm) and long-wave infrared LEDs (such as around 940nm).

What is the difference between normal LED and infrared LED? Infrared LEDs (infrared light emitting diodes), as a special type of LED, have many classification methods and are widely used in many fields. The following is a detailed answer to the classification and application of infrared LEDs:

28/08/2024

What kind of light is used in PCR?

In the PCR (polymerase chain reaction) process, it is usually not directly mentioned that a specific type of light is used as part of the reaction. However, some lighting equipment, especially UV lamps, are used in PCR laboratories or related environments, but these are mainly used for disinfection and to ensure the sanitation and safety of the laboratory, rather than directly participating in the biochemical reaction of PCR.

Specifically, the application of UV lamps in PCR laboratories mainly includes:

Disinfection and sterilization: UV lamps are installed in the experimental area, buffer zone and transfer window to kill bacteria, viruses and other microorganisms in the air to ensure the sterility of the experimental environment. This is necessary for molecular biology experiments such as PCR to prevent contamination by foreign DNA or RNA.
Local disinfection: In the reagent preparation area and specimen preparation area, mobile UV lamps are also set up to locally disinfect surfaces such as laboratory tables to further ensure the cleanliness of the experimental process.
As for the PCR reaction itself, it mainly relies on the interaction of biological molecules such as DNA polymerase, primers, template DNA, dNTPs (deoxyribonucleoside triphosphates) under specific temperature conditions. During the reaction, the DNA chain denatures and dissociates into single strands at high temperature, then the primers bind to the template DNA at low temperature (annealing), and finally, under the action of DNA polymerase, new DNA chains are synthesized with dNTPs as raw materials (extension). This process is controlled by temperature cycling without the need for additional light sources.

In summary, no specific type of light is directly used in the PCR process, but UV lamps play an important role in the disinfection and sanitation of PCR laboratories.

What are the pcr light sources? Halogen tungsten lamp is a traditional light source that can emit a continuous spectrum and is suitable for a variety of PCR applications.