• Basic knowledge of chromatics-2
    Post time: May-05-2023

    三、Perceptual characteristics of visual system The human visual system has many characteristics in the perception of color and its spatial details, such as visual residue, insensitive to sharp changes in edges, and stronger perception of brightness than color. Theoretically, every color in natur...Read more »

  • Basic knowledge of chromatics-1
    Post time: Mar-21-2023

    一、 What is color From the perspective of physics, color is the result of human visual system's perception of visible light. The perceived color is determined by the frequency of light wave. Light wave is an electromagnetic radiation with a certain frequency range. The wavelength that human eyes...Read more »

  • Clean room lighting
    Post time: Feb-20-2023

    Traditionally, we often divide lamps into indoor lamps and outdoor lamps. There are also different requirements in application environment and product standards, but this is relatively extensive. Also, indoor lamps have different environmental conditions and application requirements for household...Read more »

  • Color temperature and color coordinates
    Post time: Dec-08-2022

    Color temperature When a standard blackbody is heated (such as the tungsten wire in an incandescent lamp), the color of the blackbody begins to change gradually along the dark red - light red – orange – yellow – white - blue as the temperature increases. When the color of the light emitted by a l...Read more »

  • How to prevent lamp glare
    Post time: Nov-08-2022

    "Glare" is a bad lighting phenomenon. When the brightness of the light source is very high or the brightness difference between the background and the center of the field of view is large, "glare" will emerge. "Glare" phenomenon not only affects viewing, but also has an impact on visual health, w...Read more »

  • Fluorescent lamps will be eliminated in California from 2024
    Post time: Oct-09-2022

    Recently, foreign media reported that California has passed the AB-2208 Act. From 2024, California will eliminate compact fluorescent lamps (CFL) and linear fluorescent lamps (LFL). The Act stipulates that on or after January 1, 2024, screw base or Bayonet base compact fluorescent lamps shall not...Read more »

  • Application of sensor in lamp
    Post time: Sep-22-2022

    At present, there are two kinds of sensors used in lamps: infrared sensor and microwave sensor. Electromagnetic spectrum Both infrared ray and microwave belong to electromagnetic waves. The electromagnetic spectrum of electromagnetic wave ranged in the order of wavelength or frequency and energy ...Read more »

  • DLC Issued the second edition draft standard of plant lamp v3.0
    Post time: Aug-16-2022

    On July 27th, 2022, DLC issued the technical requirements and sample inspection policy of the second edition draft of plant lamp v3.0. The application according to Plant Lamp V3.0 is expected to be accepted in the first quarter of 2023,The sample inspection of plant lamps is expected to start on...Read more »

  • Harm of lighting flicker
    Post time: Aug-01-2022

    Since lighting entered the era of fluorescent lamps, flicker accompanied lights have been flooding our light environment. Subject to the luminous principle of fluorescent lamps, the problem of flicker has not been well solved. Today, we have entered the era of LED lighting, but the problem of lig...Read more »

12345 Next > >> Page 1 / 5
WhatsApp Online Chat !