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Which is better, cob or panel light?
Arlen Conan
Written By: Arlen Conan Last Update: August 26, 2025

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Which is better, cob or panel light?

COB (Chip On Board) lamps are characterized by a sophisticated design, enabling them to deliver intense and concentrated illumination. This makes them highly suitable for task lighting requirements, where precision lighting is crucial, as well as for decorative applications that demand a distinct lighting effect. 

Nonetheless, COB lamps have certain limitations. They tend to generate a relatively large amount of heat during operation, which may require additional cooling measures in some cases. Moreover, their cost is generally higher compared to some other lighting options.

On the other hand, flat panel lights are engineered to provide soft, even, and diffused lighting. This quality makes them well-suited for creating general ambient lighting in spacious areas such as residential homes and commercial offices. The uniform illumination they offer helps to create a comfortable and visually appealing environment.

However, it should be noted that flat panel lights typically do not provide the same level of brightness or concentration as COB lamps. Their lighting output is more spread out, which may not be sufficient for tasks that require a highly focused light source.

Ultimately, the optimal choice between COB lamps and flat panel lights hinges on the specific lighting needs of the space. If a focused and intense beam of light is required, COB lamps would be the preferred option. Conversely, for applications where a wide and evenly distributed illumination is desired, flat panel lights would likely be the more appropriate choice.

COB Lights vs Panel Lights Comparison

Feature COB Lights Panel Lights
Design & Light Quality Integrate many small LED chips onto a single substrate, creating a bright, concentrated light source with a seamless, intense beam. Consist of multiple, separate LEDs on a surface, providing a diffuse, broad, and even distribution of light.
Best Uses Ideal for spotlights, track lighting, and accent lighting in applications like retail displays, galleries, and automotive lighting where focused illumination is needed. Suited for general ambient lighting in residential, commercial, and educational settings, such as living rooms, kitchens, and classrooms.
Pros
  • High intensity and efficiency in a compact form
  • Excellent for focused lighting applications
  • Produce a soft, uniform light
  • Generally more affordable for large-area lighting
Cons
  • Can generate significant heat due to the dense chip arrangement
  • Typically more expensive than panel lights
  • Light is less concentrated
  • May require a diffuser to achieve uniform lighting
Key Considerations
  • Light Type: Choose COB for bright, focused beam; Panel for widespread, even glow
  • Application: COB for task lighting or highlighting; Panel for general room illumination
  • Heat: COB requires careful heat management; Panel lights produce less heat
  • Cost: Panel lights are more economical for large-scale applications; COB has higher initial cost
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