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What is the panel light?

led panel light Diversification

Panel lights are also called flat lights. Commonly used places include kitchen, toilet, living room, aisle and other home space, such as some kitchen and bathroom lights, integrated ceiling lights and so on. Offices, shopping malls and so on are often used.

The principle of panel light, LED early commonly used as a display screen backlight, later gradually developed into a specialized lighting fixture. The original panel light uses the principle of LED backlight. The LED light source is on the back, and the light is directly projected through the diffuser plate, that is, the straight down panel light. Some use the principle of side light guide, that is, the LED light source around the light, through the light guide plate, the reflection plate forms the effect of positive projection. Also known as side light panel light.

The common light source of panel light is LED, fluorescent tube and so on. Now the most common light source is LED

What is the panel light?

Features of panel lights

Exploded view of the side panel light

Shape ,size and power of panel lights

Panel lights are round, square, rectangular, shaped, etc. The most common are square and rectangular.

Regular size and power of panel light

Common size /mmPower
For Korean market320*1280For European
/Middle East markets
Custom size300*450595*119564/96W
450*450For Ecuador Market300*300 
For German
/Brazilian market
420*420For American Market303*1203 

Of course, it can be made to any size and power as required.

Here is just the introduction to the regular size LED large panel light; if you need a small LED panel light, please click to view >>>LED panel light

The light source of panel light is mainly LED

Panel lights with LED as light source have the same advantages as LED lights: long life, high luminous efficiency, low power consumption, low energy consumption and environmental protection.

Due to the unique characteristics of the panel light, the LED panel light also has the advantages of large surface, does not take up space, uniform light, simple appearance, convenient maintenance, etc., suitable for bathroom, kitchen, office lighting.

The main structural part of the panel light

Aluminum frame: good heat dissipation performance, good texture, beautiful

Light source: Now the general use is LED light beads, and most of the use is patch type light beads. The commonly used specifications are 3528 and 5050.

Light guide plate: Since LED is a point light source, it is necessary to use the corresponding optical design and materials, such as light guide plate, to evenly export the light.

Diffusion plate: The material is mostly acrylic, PC, etc., the role is to send out the light guide plate evenly

Reflector: Reflects the light from the back of the light guide plate to improve the light effect

Other components: such as the rear cover plate, mainly plays the role of sealing and heat dissipation

Driving power supply: the commonly used constant current source or constant voltage constant current source, constant current power supply is cost-effective, constant voltage constant current source, stable performance, but the efficiency is not as high as the constant current source.

Mounting assembly: There may be steel wire, bracket, screws, etc., to facilitate the installation of panel lights.

Installation methods include open mounting, mounting, lifting, embedded installation, etc.

How to choose LED panel lights?

how to choose

Appearance characteristics of panel lights:

according to the shape, modeling, style characteristics

There are square panel lights, rectangular panel lights, round panel lights, and irregular panel lights which means irregular panel lights, like leaf panel lights, diamond panel lights. Specific needs according to their own preferences, existing decoration style to set.

Dimensions of panel lights

LED panel light styles are numerous; here is a large panel light as an example.

The length of both sides usually expresses the size of the panel light. The common ones are 300mm*300mm, and 300mm*600mm, also written as 30cm*30cm, 30cm*60cm, or 3030, 3060.

Generally speaking, 300mm*300mm is suitable for 3-8 square meters of room, the power is about 18/24w, and 300mm*600mm is suitable for 6-12 square meters of room, the power is generally about 36/48W, the specific application area and power due to the different manufacturers of the light source, optical design, structural design, the light rate will be different.

The common sizes are 300 mm*1200 mm, 600 mm*600 mm, 600 mm*1200 mm, and other different specifications. Of course, it can be customized as needed, but there will be a quantity requirement.

Optical properties of panel lights

Optical properties:

Spectrum, chroma, luminosity, such as peak wavelength of luminescence, spectral bandwidth, axial luminous Angle intensity, color temperature, color tolerance, luminous flux, radiant flux, luminous efficiency, color coordinate, color purity, main wavelength, color rendering index, illuminance, light intensity, for white LED, color temperature, color rendering index, and illuminance are the most important technical indicators.

Color temperature of panel light:

Panel lights are usually installed in kitchens, bathrooms, offices, etc., where the brightness is relatively high, so cold light is usually selected, and the color temperature is above 5000k. Of course, the panel light color temperature is from low to high color temperature you can choose according to your needs.

Brightness of panel light:

The brightness of the panel light is usually related to its power and luminous flux. The greater the power, the greater the luminous flux, and the same luminous area, the brighter the panel light will be.

There are two types of panel lights according to the light characteristics of panel lights.

One is the back light panel light. This type of panel light uses the diffusion plate and the related optical design to mix light, which is generally thick, uniform light output and high brightness

One is the side light panel light. This type of panel light uses the light guide plate to achieve the effect of uniform light output. The brightness is low, the process requirements are high, and the light is generally thin.

Heat dissipation performance and structural design of panel lights

As LED is a semiconductor light emitting device, the influence of heat is very large, so its PN junction temperature and the overall heat dissipation performance of the light are very important. General top lights not only fully consider the LED from the packaging level to the overall heat dissipation structure of the light but also fully consider the appearance of the beautiful structure.

The use of some expensive chips, leading technology, and materials, such as high thermal conductivity, long life of the chip binder, thermal resistance material to control the overall thermal resistance, as well as the light source module temperature in the lowest possible temperature in general, we should also consider the use of good heat dissipation structure and heat dissipation materials, such as aluminum material heat dissipation performance or can be. The heat dissipation performance is not good, will seriously affect the luminance and light decline of the lights, and then affect the service life of the lights.

Electrical performance of panel lights

Power supply performance

Constant current drive is common. The higher the efficiency, the better. The higher the stability of the output current of the power supply, the better, that is, the smaller the ripple current, the better. The higher the power factor of the power supply, the better, which indicates that the influence of the power supply is small. The higher the power efficiency, the better, indicating that the power conversion efficiency is high, energy saving.

Magnitude of power

Can be combined with the size of the room, the size of the light, the required brightness to choose. Generally speaking, the power of a panel light is closely related to its size. Can be combined with the size of the following panel light reference.

Installation mode of panel light

The advantage of embedded installation is aesthetically pleasing, but the brightness has an impact.

Dark and embedded installation is generally used for integrated ceiling installation; installation is relatively simple. Remove the cover plate and install it with the light spring buckle.

Dark installation is also used to install the traditional ceiling, which requires a knife to carve out the installation range, and the installation process is slightly complicated.

The advantage of surface installation is to give full play to the brightness, but the aesthetic effect varies from person to person.

The common installation method is the hoisting type installation, which needs to use the hoisting line.

Quality of the panel light

Many internal electrical characteristics of panel lights, quality we usually can not see intuitively, but to see whether the workmanship is fine, to a certain extent reflects the quality of the product.

Seal condition of panel lights

Panel light housing design is simple, good sealing performance, can avoid dust entry, bring convenience for maintenance and cleaning.

Waterproof condition of panel lights

Because panel lights are often used as kitchen and bathroom lights, the environment is relatively humid. Even if they are used in the dry area of the kitchen and bathroom, panel lights should have a certain waterproof level to adapt to the use of the kitchen and bathroom.

Brand of panel light

where to buy

There are many brands of panel lights; the common ones are PanasonicPhilips, KingOrnan, and so on.

The panel light has a large luminous surface, which is very suitable for places where the lighting range is relatively large, and the light output is even, such as the kitchen, toilet, office, and other places. For home use, panel lights are usually integrated into the kitchen and bathroom. For example, the integrated ceiling in the kitchen has the position of panel lights.

When choosing the panel light, we should consider quality assurance, size, color temperature, workmanship, installation, whether to support intelligent control, etc. General panel lights have two kinds of structure; one is light, and the other is straight down. The luminous side structure has the advantages of thinner volume and uniform light. The straight-down form has the advantage of greater luminous flux and brightness.

Of course, paying attention to the quality of the panel light source, the power factor of the driving power supply, the efficiency of the panel light structure, heat dissipation problems, and so on, for choosing a good panel light, is very helpful.

>>For more information about LED panel lights, check out our other LED panel lights blogs.

>>Check out the latest styles, the hottest LED panel lights.


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