Shenzhen Crescent Optoelectronic Co., Ltd.
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Principles And Methods for Reducing Costs of COB LED Efficiency And Save Energy

LEDs outperform traditional lighting sources in many ways, including higher energy efficiency, longer life and smaller size. However, the cost issue has always been a headache for many lighting design engineers, which is the key reason why LED manufacturers should continue to innovate and improve economies of scale. The chip-on-board (COB) light source module is one of the latest packaging methods to help improve the energy of cob led efficiency. In this module, the LED chip is in the form of a semiconductor chip, which has neither a housing nor a connection, and is simply mounted directly on the PCB or, more generally, mounted on the substrate. Moreover, this form of packaging brings many related advantages, such as more flexible design, better light distribution, and simpler manufacturing process.

Designers want to seriously consider whether to use COB LEDs in their next-generation lighting design for other reasons. In a recent report from Research and Markets, analysts pointed out that COB LEDs belong to wide-area light source emitters (and therefore can be used for highway and street lighting) with three major advantages: better color mixing, better lighting. Effect and low thermal resistance requirements. The company's analysts point out that these high cob led efficiency and require less board space, so they are well suited for a wide range of general lighting applications.

Bridgelux (Livermore, CA) last year introduced the high-performance Vero series COB LED array with nominal luminous flux of 120 lm/W and a minimum average luminous flux of 110 lm/W. According to reports, this improvement makes it about 11% more energy efficient than its predecessor. The series features a four-sided illumination (LES) configuration with a wide operating temperature range. In addition, the Vero array offers two SDCMs (Color Matching Standard Deviation) and three SDCM color control options for high-precision color control and uniform illumination.
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