Category Archives: News

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2023 Chinese Labo2023 Chinese Labor Day Holiday Noticer Day Holiday Notice
2023 Chinese Labor Day Holiday Notice

From May 1st to May 3rd, 2022, there will be a holiday for a total

UV Light
How long does it take for UV Light disinfection in different fields?

The application of ultraviolet technology in the field of disinfection has gradually become popular. With

Queendom LED Lighting Product Series: Solar Lighting, Commercial Lighting, Industrial Lighting, Outdoor Lighting, Traffic Lighting
Queendom LED Lighting Product Series

Queendom LED Lighting Product Series: Solar Lighting, Commercial Lighting, Industrial Lighting, Outdoor Lighting, Traffic Lighting Focus

LED semiconductor packaging product line

High-power LED, DIP LED, through-hole LED, SMD LED, infrared emitter LED, photodiode LED, LED display,

optical lens
What is the function of an optical lens?

Optical lens is the core component of modern optical instrument, and also one of the

The image shows UV Flood light of China QUEENDOM Company.
Scenarios Applied to uv flood lights

uv flood light is a uv led flood light lighting device . uv light for

Optical Systems | Optical Imaging | LED PCR Optics
What is an optical instrument? What are the classifications?

Optical instruments are an important optical component that plays an extremely crucial role in modern

through hole
Which is better and more energy-efficient, Round LEDs or energy-saving light?

Round LEDs and energy-saving lights are both popular lighting devices in the modern lighting field.

LED Displays
What are the functions and characteristics of LED displays?

LED display is a high brightness display screen based on LED technology, which is suitable

The image shows 3mm photodiode led LEDs of China QUEENDOM Company.
What are Photodiode LEDs mainly used for?

Photodiode LEDs, also known as Photodiode LEDs, are electronic components that can convert light into

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