HC-TD052
- https://www.haichanglight.com/hc-td052.html
- Haichang Optotech Co., Limited
HC-TD052 Technical datas: Housing material: Diecast Aluminum Input voltage: AC200-240V or AC100-240V LED type: 3030 LED CRI: Ra80 LED brand: Cree/Citizen/Epistar...
- 8 Years, 7 Months ago
- 19 views
- Recessed LED down lights
HC-TD053
- https://www.haichanglight.com/hc-td053.html
- Haichang Optotech Co., Limited
HC-TD053 Technical datas: Housing material: Diecast Aluminum Input voltage: AC200-240V or AC100-240V LED type: COB LED, 3030 LED CRI: Ra80 LED brand: Cree/Citizen/Epistar...
- 8 Years, 7 Months ago
- 27 views
- Recessed LED down lights
HC-TD055
- https://www.haichanglight.com/hc-td055.html
- Haichang Optotech Co., Limited
Technical datas: Housing material: Diecast Aluminum Input voltage: AC200-240V or AC100-240V LED type: 2835 SMD LED CRI: Ra80 LED brand: Cree/Citizen/Epistar LED...
- 8 Years, 7 Months ago
- 23 views
- Recessed LED down lights
What's the difference between CRI and CCT
- https://www.haichanglight.com/whats-the-difference-between-cri-and-cct.html
- Haichang Optotech Co., Limited
Usually, there are two key measures used to valuate lighting sources: Color Rendering Index (CRI) Correlated Color Temperature (CCT) CCT measures the color of a...
- 9 Years, 8 Months ago
- 1515 views
- LED Lighting FAQ
Why is the life span of an LED measured as lumen depreciation
- https://www.haichanglight.com/why-is-the-life-span-of-an-led-measured-as-lumen-depreciation.html
- Haichang Optotech Co., Limited
The life span of an LED is vastly longer than that of incandescent, fluorescent or HID lamp sources, generally lasting 50,000 hours or longer. Although the LED...
- 9 Years, 9 Months ago
- 1414 views
- LED Lighting FAQ
How to evaluate LED lighting products
- https://www.haichanglight.com/how-to-evaluate-led-lighting-products.html
- Haichang Optotech Co., Limited
To fully evaluate an LED lighting product one needs to review the overall system efficiency, optical control, thermal management of the LEDs, and know at what...
- 10 Years, 4 Months ago
- 2120 views
- LED Lighting FAQ
Single end power LED tube and Double end power LED tube
- https://www.haichanglight.com/single-end-power-led-tube-and-double-end-power-led-tube.html
- Haichang Optotech Co., Limited
If it is single ended powered LED tubes, need to power only one end. This type of installation is referred to as unshunted. If double ended powered LED tubes, need...
- 10 Years, 4 Months ago
- 2319 views
- LED Lighting FAQ
Why is LED a Green and Eco-friendly technology
- https://www.haichanglight.com/why-is-led-a-green-and-eco-friendly-technology.html
- Haichang Optotech Co., Limited
LEDs are environmentally friendly in many aspects. Firstly, unlike HID (High Intensity Discharge) lamps LEDs contain NO mercury. In addition, some LED luminaires...
- 10 Years, 4 Months ago
- 1916 views
- LED Lighting FAQ
What is LED and its advantages
- https://www.haichanglight.com/what-is-led-and-its-advantages.html
- Haichang Optotech Co., Limited
Light emitting diodes (LEDs) are solid-state lighting components. Each individual LED consists of a semiconductor diode that emits light when a voltage is applied...
- 10 Years, 4 Months ago
- 1133 views
- LED Lighting FAQ
Difference between isolated driver and non-isolated driver
- https://www.haichanglight.com/difference-between-isolated-driver-and-non-isolated-driver.html
- Haichang Optotech Co., Limited
The isolated power supply use a transformer to transform AC110V or AC220V voltage down to a lower voltage, then rectified into DC output. Because the primary coil...
- 10 Years, 7 Months ago
- 1207 views
- LED Lighting FAQ