COB (Chip on Board) light strip is a lighting product that directly encapsulates LED chips on flexible or rigid circuit boards. Compared with traditional SMD (Surface Mount Device) light strips, it has the following obvious advantages:

1. High luminous efficiency and high color rendering

Light efficiency advancement: COB technology reduces the physical distance between chips and circuit boards, lowers thermal and electrical resistance, and converts electrical energy into light energy. The light efficiency can reach 150-200 lm/W, much higher than traditional SMD light strips (about 100-120 lm/W).

High Color Rendering Index (CRI): COB light strips can easily achieve a CRI ≥ 90 or even above 95, which can more realistically reproduce the color of objects. They are suitable for scenes with high color requirements, such as museums, jewelry stores, and photography studios.

2. No spot and uniform emission

Surface light source characteristics: COB light strips tightly arrange multiple chips to form a continuous surface light source, emitting light uniformly without dark areas, avoiding the problem of "point light source" spots caused by chip distance in traditional SMD light strips.

Wide angle illumination: The illumination viewpoint can reach 160 ° -180 °, with wider light coverage, suitable for scenes that require soft lighting (such as living rooms, bedrooms, hotel corridors).

3. Excellent heat dissipation function

Direct heat dissipation plan: The chip is directly attached to a metal substrate or high thermal conductivity circuit board, with a shorter heat dissipation path and lower thermal resistance, which can effectively extend the lifespan of the LED and reduce light decay.

Temperature during low workload: Compared to SMD light strips, COB light strips have lower surface temperature and higher safety at the same power, making them particularly suitable for enclosed spaces or long-term use scenarios.

Article source: Zhongshan COB LED strip manufacturer www.citylightcob.com