Tag Archives: LED lighting

LED lighting technology and its industry characteristics缩略图

LED lighting technology and its industry characteristics

(1) outdoor, industrial lighting overall technical difficulty is higher, the application of technology is late

The emergence of LED lighting breaks the traditional light source design methods and ideas, become the new direction of lighting technology development, which home lighting, commercial lighting and other smaller power products to replace the environment to adapt to simple, so earlier ushered in a large-scale upgrading of market demand, industrial maturity is higher.

LED lighting technology and its industry characteristics插图

In contrast, outdoor, industrial lighting is mainly used in municipal roads, industrial workshops and other large-scale applications, the power is generally larger, and home, commercial lighting fixtures overall power is lower. Outdoor, industrial lighting heat dissipation design is strict, balancing weight and volume and heat dissipation, light efficiency, stability and other issues become the industry's technical difficulties, the overall application of technology and replacement process later.

Overall, the segmented lighting market differences are as follows:

(2) LED technology advances and international energy saving and emission reduction concepts driven by LED outdoor, industrial lighting export rapid growth

As LED technology advances and carbon neutral and other concepts have become an international consensus, LED lamps and lanterns application scenarios gradually extended to outdoor, industrial lighting and other fields, ushering in market development opportunities.

4、Industry technology level and characteristics

LED lighting technology mainly includes integrated design, light distribution design, heat dissipation design and so on.

(1) Integrated design

Integration of integrated design for the lamps and lanterns, especially in the high-power lamps and lanterns, one of the core competitive factors, simple structure, beautiful and practical, fine workmanship, bright colors has become the current trend of product design, with the "people-oriented lighting" concept continues to deepen, LED lighting will also pay more attention to the combination of multiple light sources, emphasizing the products and atmosphere of the Personalization.

LED lighting technology and its industry characteristics插图2

(2) Lighting design

Light quality is mainly measured by color temperature, color rendering index, color uniformity, saturation and luminous flux and other parameters, is a comprehensive evaluation index.LED is a point light source unidirectional light emission, the local light is too strong resulting in glare problem is obvious, at present, the industry enterprises mainly use the optimization of optical and structural design of the product, improve the silica gel material, design the internal structure, the use of scattering and reflecting and other secondary distribution of light methods make the Light uniformity, improve the glare defects. In the future, with the integration of LED lamps and lanterns on light quality, luminous flux, light comfort and other requirements, light distribution design will become an important competitive factor for lamps and lanterns manufacturers.

(3) Heat dissipation design

LED lighting is the process of converting electrical energy into light energy, light-emitting process there is part of the electrical energy into heat, high-power products have higher heat dissipation requirements. On the one hand, the service life of LED lamps and lanterns is affected by the heat of the lamps and lanterns, on the other hand, the heat problem will also affect the luminous brightness and quality. At present, the industry is mainly from the internal and external structure of the heat dissipation design, through the optimization of packaging materials or encapsulation to improve the thermal conductivity of the encapsulation bracket, reduce the heat transfer interface and other ways to reduce the thermal resistance to meet the heat dissipation requirements, at the same time, through the configuration of the radiator and the radiator's scientific structural design to solve the heat dissipation problem.

For more LED lighting questions, please consult recolux-full

LED lighting development, industry technical level characteristics, and market size prospects缩略图

LED lighting development, industry technical level characteristics, and market size prospects

Medium and high power LED lighting products are mainly outdoor, industrial lighting and special lighting products, which are mainly used in municipal roads, outdoor parking lots, airports, ship ports, factory workshops, warehouses, stadiums and other fields. Technical difficulties and maintenance costs are high, and performance and quality requirements are strict. For example, outdoor lighting needs to cope with high and low temperatures, rain, snow, wind and sand, lightning, salt spray and other complex natural environments, industrial lighting emphasizes the strong corrosion, strong impact, electromagnetic interference and other industrial environments to provide all-weather stable lighting. Overseas regions LED lighting penetration rate is significantly lower than the market, with higher replacement demand.

LED lighting development, industry technical level characteristics, and market size prospects插图

1, industry characteristics

(1) Cyclical

With the gradual maturation of LED lighting technology and by the international concept of energy saving and emission reduction, LED lighting applications market has a large incremental and replacement space, the market demand shows a rapid upward trend, the overall cyclicality is not obvious.

(2) Regional

At present, with the continuous improvement of the industrial chain, recolux LED lighting companies in product development, manufacturing has formed an advantage, become the global production base of LED lighting products, international, North America, Europe and other developed countries, LED lighting companies mainly focus on channel construction and brand operations, the global lighting market in Asia, North America and Europe to form the main industrial layout. Overall industry regional characteristics are obvious.

2, LED lighting industry market situation

(1) LED from the light source alternative development to the field of lamps and lanterns, promote the global LED lighting market gradually expanding

Compared with LED light source, the integrated design of LED lamps and lanterns is thin and light, the life span is generally longer, both energy-saving and design aesthetics, fully embodies the energy-saving, healthy, artistic and humane lighting development trend; In addition, with the development of Internet of things and other technologies, intelligent control and lighting scenes will change the way of using the product, improve the added value of LED lamps and lanterns. LED from light source replacement to lamps and lanterns field, replacement and incremental market brought about by upgrading and application scene expansion continues to expand.

(2) LED lighting application development, manufacturing link for the global production of LED lighting equipment

With recolux LED chip technology and process continues to update iteration, LED lighting products, luminous efficiency, technical performance, product quality, etc. significantly improve; coupled with the industry chain related enterprises and investment continues to increase, LED light source manufacturing and supporting industries, manufacturing technology upgrades, end-products of large-scale production of the cost of economic improvement. With the above advantages, to undertake the development of the LED lighting industry chain, the key links in manufacturing, and become one of the participants in the LED lighting industry.

LED lighting development, industry technical level characteristics, and market size prospects插图2

3, medium and high power LED lighting products development situation

(1) LED outdoor, industrial lighting entry threshold is high, industry concentration is low

With the demand for outdoor and industrial lighting evolving to complexity and customization, the requirements for R&D, manufacturing and service will be further enhanced, and the competitiveness of the head enterprises will be strengthened in the future, and the improvement of industrial concentration is also the inevitable result of high-quality development.

(2) lower energy loss is the urgent need for industrial lighting, LED lighting energy-saving significant

Traditional industrial lighting equipment due to low energy conversion efficiency, energy consumption is greater, has been unable to meet the requirements of energy saving and emission reduction in the industrial sector, industrial enterprises have been facing the challenge of controlling costs, there is an urgent need for cost-effective lighting solutions. LED lamps and lanterns can accurately achieve the lighting required by the industry, light pollution compared to traditional lighting can be controlled to reduce 50%, the highest energy loss can be controlled to reduce 70%, in the all-weather operation, LED lighting can be used to reduce energy loss. 70%, in the all-weather operation of industrial places with significant energy-saving effect.

(3) LED outdoor, industrial lighting replacement process, in recent years the export trend is good, ushering in the market development opportunities

LED lighting principle?缩略图

LED lighting principle?

What is the principle of LED lighting? Then you must first understand LEDs and the structure of LED lights, so that you can know how LEDs emit light.

LED lighting principle?插图
  1. What is LED?

LED is the abbreviation of English Light Emitting Diode, which means light-emitting diode in Chinese. It is made of compounds containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc.

  1. Structure of LED lights

The core part of the light-emitting diode is a wafer composed of p-type semiconductor and n-type semiconductor. There is a transition layer between the p-type semiconductor and n-type semiconductor, called a p-n junction. As shown in the picture below, it mainly consists of five parts: bracket, silver glue, chip, gold wire, and epoxy resin.

LED lighting principle?插图2
  1. LED lighting principle

When current passes through the chip, the electrons in the N-type semiconductor and the holes in the P-type semiconductor violently collide and recombine in the light-emitting layer to produce photons, which emit energy in the form of photons (that is, the light we see).

  1. Colorful LED lighting principle

If you want to know the principle of colorful LED light-emitting, first let's get to know the three primary colors of red (R), green (G), and blue (B). Other different colors can be obtained by different combinations of these three colors. For example, when red light and green light are lit at the same time, the red and green lights are mixed into yellow. The color-changing principle of the color-changing lamp is that when two LEDs are lit up respectively through three primary color LEDs, it can emit yellow, purple, and cyan (such as red If the red, green and blue LEDs light up at the same time, they will produce white light. If there is a circuit that can make red, green, and blue LEDs light up in pairs, individually, and three primary color LEDs at the same time, then it can emit seven different colors of light, so the colorful LED lights appear. This phenomenon produces different colors depending on the different proportions of their superposition.

The principle of LED lights?缩略图

The principle of LED lights?

LED lighting

LED stands for Light Emitting Diode. LED lights work based on the principle of electroluminescence, which is the phenomenon of light emission when an electric current passes through a semiconductor material. Here's a simplified explanation of how LED lights function:

  1. Semiconductor Material: LED lights are made up of a semiconductor material, commonly a compound of gallium, arsenic, and phosphorus (Gallium Arsenide Phosphide or Gallium Nitride). These materials have specific properties that allow them to emit light when energized.
  2. P-N Junction: LEDs have a structure called a p-n junction. It consists of two layers: the p-type layer (positive charge carriers or "holes") and the n-type layer (negative charge carriers or "electrons"). The junction forms the boundary between these layers.
  3. Forward Bias: When a voltage is applied to the LED in the forward direction (positive terminal connected to the p-side and negative terminal connected to the n-side), current flows through the p-n junction. Electrons from the n-side and holes from the p-side combine at the junction.
  4. Recombination: As the electrons and holes combine at the junction, they release energy in the form of photons (light particles). The energy level of the photons determines the color of the light emitted. The specific semiconductor materials used in an LED determine the wavelength and color of light emitted.
  5. Light Emission: The released photons bounce around within the LED's structure due to internal reflection, eventually exiting through the top surface of the LED as visible light.
  6. Energy Efficiency: LED lights are highly efficient because they convert most of the electrical energy into light, with minimal energy wasted as heat. This efficiency is one of the key advantages of LED technology compared to traditional incandescent or fluorescent lights.

LED lights offer several benefits, including long lifespan, energy efficiency, compact size, durability, and the ability to produce a wide range of colors. They have become widely used in various applications, from residential and commercial lighting to automotive lighting, displays, and electronic devices.

LED lighting inspection standards?缩略图

LED lighting inspection standards?

Track panel

LED lighting inspection standards help ensure that LED lighting products meet certain quality, performance, and safety requirements. These standards are established by various organizations and regulatory bodies. Here are some commonly recognized LED lighting inspection standards:

  1. IEC 62471: This standard, published by the International Electrotechnical Commission (IEC), provides guidelines for evaluating the photobiological safety of lamps and lamp systems, including LED lighting. It assesses the potential risks of exposure to optical radiation and sets limits to protect against harmful effects.
  2. IEC 60598: This standard covers the safety requirements for lighting fixtures, including LED luminaires. It addresses aspects such as electrical safety, mechanical strength, and resistance to heat and fire.
  3. IES LM-79: Published by the Illuminating Engineering Society (IES), this standard outlines the procedures for testing and measuring the electrical and photometric characteristics of LED lighting products. It covers aspects such as luminous flux, electrical power, efficacy, color characteristics, and chromaticity.
  4. IES LM-80: This standard, also published by the IES, provides guidelines for measuring and reporting the lumen maintenance of LED packages, arrays, and modules over time. It specifies test conditions and procedures for evaluating LED lifetime performance.
  5. IES TM-21: Another standard from the IES, TM-21 uses LM-80 data to project the lumen maintenance of LED lighting products beyond the test period specified in LM-80. It provides an estimation of how long an LED product will maintain a certain percentage of its initial lumen output.
  6. Energy Star: Energy Star is a voluntary program administered by the U.S. Environmental Protection Agency (EPA) that sets energy efficiency and quality standards for various products, including LED lighting. The Energy Star certification ensures that the LED lighting product meets specific performance and energy efficiency criteria.
  7. DLC: The DesignLights Consortium (DLC) is a non-profit organization that promotes high-quality, energy-efficient lighting solutions. The DLC has established technical requirements and specifications for LED lighting products to qualify for utility rebates and incentives.

These are just a few examples of LED lighting inspection standards. Other regional or national standards may exist depending on the country or market. It's important to consult the relevant standards and regulations applicable to your specific region to ensure compliance and quality when evaluating LED lighting products.