For Light Bars, and LED Work Lights, LED Chips Suppliers using are mostly CREE, Epistar, Osram, Philips, Seoul.
So Let us start with the brief introduction of different brands:
CREE:
Cree first marketed a blue LED in 1989. Their XLamp Cree LED was the first to be accepted as a direct replacement for traditional lighting applications. In 2013, the Cree LED bulb was offered as a residential bulb replacement. CREE is a well-known American manufacturer, this does not mean all CREE chips are built in the USA. Cree chips are up to 30% brighter than EPISTAR, even though the cost of purchasing CREE LED light bar is 30% to 40% higher.
For now, most led light bars usually are with CREE Chips.
Epistar
Epistar is from Taiwan and will have a very good performance at the first stage is lighted on. The prices are much lower than CREE, and for now, most LED work lights are with Epistar chips. Stable and Decent Prices
Osram
The OSRAM is a German company made lighting products at the start of the 20th century. In 2013, they took over Siemens LED division. You find an Osram LED in products for automotive industry, projectors, and security applications. Osram prices are a little bit higher than CREE
There are also some other brands as well
Made in China Mainland, brands are Silan, AXT, LM, San’An, Epilight and etc.
Made in China Taiwan, brands are Epistar, Huga, Genesis Photonics, Arima Optoelectronics, AOC and etc.
