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LED(屋外照明 投光器) - メーカー・企業と製品の一覧

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2-watt type white LED "GBKW110GAS series"

2-watt type white LED "GBKW110GAS series"

We offer two types of highly versatile color temperatures! A 2-watt type white LED with high luminous efficiency.

The "GBKW110GAS series" is a 2-watt type white LED that achieves low voltage and high luminous flux. It has excellent reliability for use in harsh environments, utilizing package technology with low thermal resistance and high reliability developed from high-power LEDs. We offer two color temperatures that are highly versatile for lighting applications. It is suitable as a light source for outdoor lighting equipment such as streetlights, tunnel lights, and floodlights. 【Features】 ■ Achieves low voltage and high luminous flux ■ Package with low thermal resistance and high reliability developed from high-power LEDs ■ Suitable as a light source for outdoor lighting applications ■ Excellent reliability for use in harsh environments ■ Two highly versatile color temperatures available for lighting: 5,700K / 4,000K *For more details, please refer to the PDF materials or feel free to contact us.

  • LED Module
  • Chip type LED

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LED lighting that improves luminous efficiency and contributes to energy saving in lighting fixtures.

LED lighting that improves luminous efficiency and contributes to energy saving in lighting fixtures.

LED lighting with an improved luminous efficiency of up to 7-8%! It contributes to energy savings in lighting fixtures and offers a comprehensive lineup that makes it easy to replace conventional products!

We have consolidated our core technology to achieve a maximum luminous efficiency of 142 lm/W (3000K/Ra90, Tj85, under rated drive conditions). This allows for brighter illumination with less power, contributing to energy savings in lighting fixtures. Additionally, we have improved long-term reliability and gas resistance characteristics. The energy-saving effects from enhanced luminous efficiency, along with longer intervals between replacements and repairs of LED light sources and lighting fixtures, also contribute to reducing environmental impact. By improving the amount of light obtained per package, we also contribute to the miniaturization of lighting fixtures and cost reduction. <Applications> Street lights, tunnel lights, floodlights, downlights, stadium lighting, etc. 【Features】 - Luminous efficiency: up to 142 lm/W (3000K/Ra90, Tj85, under rated drive conditions) - Supports a lineup of color temperatures and color rendering - Easy replacement from conventional products, covering 3W to 480W with 14 varieties across 4 packages (at Tj85°C) and reducing color variation - Improvement in maximum rated drive current For product details, please check our website.

  • LED lighting

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Understanding and Learning about LEDs: 4. What is a High Color Rendering White LED?

Understanding and Learning about LEDs: 4. What is a High Color Rendering White LED?

Developing light that is closer to natural light.

White LEDs are used as the lighting source, but there are several methods to create that white light. One method is to combine red, green, and blue LEDs. This method has good color rendering properties but faces challenges in terms of cost and luminous efficiency. Therefore, a method that combines blue LEDs with yellow phosphors has been used so far, as it allows for relatively easy attainment of high luminous efficiency. However, this method has the drawback that the emitted color is a pseudo-white, making it unsuitable for applications that require high color rendering properties. Additionally, there is a method that creates white light by combining near-ultraviolet LEDs with blue, red, and green phosphors, but this is said to have issues with brightness. In response, Citizen Electronics has adopted a method that uses blue LEDs to excite red and green phosphors. This method serves as a light source for LEDs with high color rendering properties while overcoming challenges related to cost and efficiency.

  • LED lighting

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