LED Light
What Is LED Light
LED stands for light-emitting diode. For the diode to emit light, an electrical current must pass through semiconductor material. LED light sources are much more energy-efficient and, therefore, physically cooler and smaller than their incandescent equivalents. They are also far more versatile and adaptable than traditional tungsten, fluorescent or HMI light sources. LED stands for light-emitting diode. For the diode to emit light, an electrical current must pass through semiconductor material. LED light sources are much more energy-efficient and, therefore, physically cooler and smaller than their incandescent equivalents. They are also far more versatile and adaptable than traditional tungsten, fluorescent or HMI light sources.
Advantages of LED Light
Energy-efficiency
LED lights are far more energy efficient when compared to the traditional alternatives with energy savings of 80-90% over incandescent or halogen technologies and up to 50% in comparison to fluorescent lamps.
Longer lifespan
LED light last 2 or 3 times longer than fluorescent bulbs and over 50 times longer than incandescent lamps. The typical lifespan of an LED is up to 50,000 hours, further slashing replacement and maintenance costs. Many fluorescent lights can take a while to ‘warm-up’ and reach their full brightness, however LED light light up immediately.
Lower heat output
Unlike filament bulbs, an LED lamp does not project infrared heat in its beam, making them more suitable for lighting heat-sensitive items like artworks or food. As LED light emit less heat they are also ‘safer’ than traditional bulbs, reducing the risk of fire caused by high temperature bulbs.
Added durability
LED light are a solid state form of lighting, meaning they are able to withstand lower temperatures and higher levels of vibration and shock in comparison to incandescent or fluorescent lamps.
Why Choose Us
Our factory
We have our own factory covering an area of over 15,000 square meters, with a building area of over 12,000 square meters. We have an independent office building, with spacious and bright offices, and fully-equipped facilities.
Company certificate
We hold a Class 2 professional contracting certificate for urban and road lighting engineering, a construction safety production license, and ISO9001:2015 international quality system certification.
Professional team
We are a professional team with employees who have years of experience in the lighting industry. We are also a dedicated team, focusing on the production and installation of lighting fixtures. Under the leadership of our chairman and general manager, we are becoming increasingly specialized in our field.
Our service
Since our establishment, we have been committed to researching, developing, and promoting high-quality green lighting products, providing customers with comprehensive lighting solutions and professional services.
Types of an LED Light According to the Environment
Cold light
This is a type of LED light with a color temperature above 5,000 Kelvin degrees. It is light with bluish tones, stimulating and perfect for areas where greater concentration is required. Precisely for this reason, some of the places where we can commonly find this type of LED light are laboratories, hospitals, in the retail sector, and in areas with high traffic of people. However, it is not a type of light that is used in homes, restaurants, offices, and hotels, as these places require rather a type of light that invites you to sit down and have a good time in a quiet and pleasant way, and cold light does not encourage precisely that.
Warm light: 2700k or less
Warm light is below 3,300 degrees Kelvin and is a type of LED light with red or orange tones that is essential for creating a relaxing atmosphere. This light provides enough brightness to see clearly, But in a way that makes any space the perfect place to rest and relax, such as in living rooms, bedrooms, restaurants in table areas, and hotels. The difference between using one type of LED light or another is great and would explain for example why there are places that we do not find cozy and pleasant, such as a hospital, and others where we want to spend time and relax, such as the living room of a house. In this case, warm light is what gives the feeling that a place is cozy, and therefore, the temperature and intensity of the light are what can completely change the sensations that a place transmits.
Neutral light: Between 2700k and 4000k
Neutral light is light that is around 4,000 degrees Kelvin and has tones that are neither warm nor cold. It is a light that also favors concentration, so it can often be found in offices and study areas, but also in spaces such as kitchens or bathrooms, where the lighting first thing in the morning should be stimulating. Precisely for this reason, this type of LED light is also widely used in the retail sector both to create an attractive image of a store and to encourage consumption. Neutral light is perfect for highlighting colors and stimulating people (rather than encouraging relaxation and rest). The same is true in other types of stores such as food stores, where not only is light needed to provide visibility, but also to help present products in an appealing way while encouraging customers to make a purchase. But beyond the recommendations that exist for the correct use of LED light types, it is a question that also depends largely on the taste of each person. While it is true that cold light is not welcoming and warm light is, sometimes people prefer a more neutral type of LED light even for places like homes.
Applications of LED Lights
LED lighting in office and retail stores
Lighting is one of the most vital components of successful retail space for supermarkets, stores, shopping centres and other commercial entities.
LED lighting in warehouses and factories
Warehouses involve a large number of physical operations either performed directly by the staff or using machines such as forklifts. To guarantee safe operations and reduce the rate of accidents and operation downtime, warehouses benefit from bright LED lights to illuminate the workspace.
LED lighting in healthcare
Lightning applications in hospitals are wide and varied as each space has a unique purpose with a specific lighting requirement. There are different requirements for treatment areas, observation areas, ward areas, waiting and circulation spaces, and operation theatres, each to serve the purpose of the area.
LED signals and indicators
Traffic lights, exit signs and car lights all use LED lights. LED lighting has proved to be a perfect solution for exit signs due to its energy efficiency and durability.
LED lighting in street lights
A majority of street lights illuminating the dark streets and highways at night are actually LED lights. Municipalities and governments realized that the initial upfront cost for LED lighting is justified by the savings made in the operational costs over the lifespan of the lights
LED Lighting in Showrooms
In this era of competition, showrooms constantly look for ways to lower operational costs and gain the highest returns on their investment. Showroom owners use LED lighting to save costs and provide both general and specific lighting to their spaces. LED lighting helps them highlight products and key features and also provides general lighting for the areas that need to be illuminated.
LED lighting in parkings and garages
Parking lots, car dealerships and garages all need high lumen outputs to properly operate and LED lights can easily provide high illumination levels in these spaces to ensure comfortable and safe operation, specifically where mechanics require bright lights for repairing detailed features in vehicles.
LED lighting in theatres
Proper lighting systems allow theatre managers to control the mood, enhance the performance and to focus the audience’ s attention on specific spaces or scenes.With traditional lighting, these systems tend to be heavy, complicated and emit large quantities of heat, however, when compared to traditional stage lighting fixtures, LED lights are cooler, last for longer, and the fixtures are lighter.
Components Of An LED Light
Lens
One of the most important parts of an LED light is the lens. The lens is responsible for focusing the light into a beam that can be directed at a specific target. Without a lens, an LED light would simply scatter its light in all directions, making it much less effective at illuminating a specific area.
LED chips
An LED chip is a semiconductor diode that emits light when an electric current is applied to it. LED chips are made of materials like gallium arsenide and gallium phosphide, which have a wide range of colours depending on the composition of the material. The light output of an LED chip is proportional to the current passing through it. The amount of current required to produce a certain light output depends on the type of material used in the chip and the design of the chip. LED chips are typically rated for a maximum forward current and a maximum reverse voltage.
Heat sink
A heat sink is a device that helps to cool an LED light by dissipating heat. Heat sinks are usually made from metal or other heat-conductive materials, and they are often used in conjunction with fans or other cooling methods to help keep an LED light at a safe operating temperature.
Circuit board
A circuit board is a thin plate used to support and connect electronic components. It is also known as a printed circuit board (PCB). The circuit board in an LED light is responsible for powering the light and controlling the intensity of the light. The circuit board contains a number of different components, including resistors, capacitors, and diodes. These components work together to ensure that the LED light operates correctly.
Housing
The housing is the external casing which holds all the other materials together and protects the light from external elements.To know more about various LED lights used in traffic arrows, message boards, LED beacons, and perimeter lighting.
Working Principle of LED Light
The inner workings of an LED, showing circuit and band diagram. A P-N junction can convert absorbed light energy into a proportional electric current. The same process is reversed here (i.e. the P-N junction emits light when electrical energy is applied to it). This phenomenon is generally called electroluminescence, which can be defined as the emission of light from a semi-conductor under the influence of an electric field. The charge carriers recombine in a forward-biased P-N junction as the electrons cross from the N-region and recombine with the holes existing in the P-region. Free electrons are in the conduction band of energy levels, while holes are in the valence energy band. Thus the energy level of the holes will be lesser than the energy levels of the electrons. Some portion of the energy must be dissipated in order to recombine the electrons and the holes. This energy is emitted in the form of heat and light.
The electrons dissipate energy in the form of heat for silicon and germanium diodes but in gallium arsenide phosphide (GaAsP) and gallium phosphide (GaP) semiconductors, the electrons dissipate energy by emitting photons. If the semiconductor is translucent, the junction becomes the source of light as it is emitted, thus becoming a light-emitting diode, but when the junction is reverse biased no light will be produced by the LED and, on the contrary, the device may also be damaged. The LED consists of a chip of semiconducting material doped with impurities to create a p-n junction. As in other diodes, current flows easily from the p-side, or anode, to the n-side, or cathode, but not in the reverse direction. Charge-carriers—electrons and holes—flow into the junction from electrodes with different voltages. When an electron meets a hole, it falls into a lower energy level and releases energy in the form of a photon.
The wavelength of the light emitted, and thus its color, depends on the band gap energy of the materials forming the p-n junction. In silicon or germanium diodes, the electrons and holes usually recombine by a non-radiative transition, which produces no optical emission, because these are indirect band gap materials. The materials used for the LED have a direct band gap with energies corresponding to near-infrared, visible, or near-ultraviolet light. LED development began with infrared and red devices made with gallium arsenide. Advances in materials science have enabled making devices with ever-shorter wavelengths, emitting light in a variety of colors.
LEDs are usually built on an n-type substrate, with an electrode attached to the p-type layer deposited on its surface. P-type substrates, while less common, occur as well. Many commercial LEDs, especially GaN/InGaN, also use sapphire substrate. Most materials used for LED production have very high refractive indices. This means that much of the light will be reflected back into the material at the material/air surface interface. Thus, light extraction in LEDs is an important aspect of LED production, subject to much research and development.
Tips for How to Maintain Your LED Light
Choose appropriate LEDs
There are many choice for LEDs in the market. It’ s important to invest in a quality product for that it can minimize the cost of maintenance. You also need to make sure the color temperature, lumen, color rendering index are what you want. The another thing you need notice, to inquiry about anything that can potentially damage the light or reduce its efficiency from the manufacturer.
Read user manual before use
Usually you can find the warning in the user manual. This part is what you should need to notice for it can decrease the trouble you may meet in the future. And don’ t randomly disassemble the light without instruction. It may damage the circuit and have a bad influence on the lifetime.
Clean them regularly
Although LEDs greatly reduce a lot of money on led light maintenance, all lights, even LEDs, still need regular maintenance like clearance. The dust and debris of inside and outside could cause shortages. Units of the lighting need to be cleaned regularly. It’ s helpful to extend the lifetime of use.
Avoid high temperature and humidity
The environment, including working temperature and storing temperature, is a very important factor in the lifetime of LED lights. Too hot or too wet environment will decrease the working time of lights for it will affect the electronic components inside.
Perform inspections
Make sure that you perform occasional inspections on your LED lights. LED lights need to be used regularly for checking whether it is working well or not. If they are broken down, you will find it and repair them earlier.
Our company was established in 1997, with over 40 employees. We are located in the heart of the Hangjiahu Plain in northern Zhejiang Province, in the Tongxiang Development Zone (Gaoqiao Street) Industrial Park at the center of the "Yangtze River Delta" economic zone, encompassing an area of over 15,000 square meters, with a building area of over 12,000 square meters. Our registered capital is 30.18 million RMB, with a total investment of over 20 million RMB. We are a modern enterprise specializing in the design, development, manufacturing, sales, installation, and service of outdoor environmental lighting fixtures. Since our establishment, we have been committed to researching, developing, and promoting high-quality green lighting products, providing customers with comprehensive lighting solutions and professional services.
Our Certificate
