RGB Colour Changing Technology
RGB (Red, Green, Blue) refers to the colours available from an LED device.
LED lights have the ability to produce virtually any shade of any colour by mixing the primary colours red, green and blue. The equal amalgamation of these three colours produces a pure white light.
RGB colour changing technology has introduced a whole new world of possibilities for LED lighting and enables different lighting experiences in the same space.
Via different modes of control, the colour produced can be adjusted in intensity from bold vibrant colours to soft pastel shades, offering an extensive range of colour options across the spectrum.
LED technology can accommodate multiple colour temperatures, from the warmest to the coolest tones of white.
CCT refers to the correlated colour temperature. This is not to be confused with heat temperature. For example; orange is visually perceived as a warm colour whereas blue is associated with cool colour. CCT controls the perceived level of colour warmth in the white light temperature from warmwhite to white.
The colour temperature is derived from the Kelvin temperature scale. CCT uses the Kelvin temperature measurement scale which indicates the colour temperature of white light in its appearance as warm or cool. The lower the kelvin rating, the warmer the colour and the higher the rating the cooler the colour.
The three main colour temperatures that are incorporated into GAP LIGHTING products are:
Warm white tone which has a warmer, golden glow ideal for ambient lighting.
Cool white tone which is brighter than warmwhite but softer than white.
Day white tone which is an intense, icy, daylight white suitable for areas requiring strong, bright illumination.
The colour temperature is normally selected by the architect or lighting designer to enhance the colours, materials or finishes in the given space, or to suit the colour temperatures of other nearby lighting treatments.
The adjustable CCT temperature is referred to as tunable white. GAP LIGHTING has many products which incorporate tunable white technology, including downlights, striplights, floodlights, groundlights, spikelights, wallwashers.
CCT-3 refers to switchable white temperature control, which can be found in out fire-rated DLX8 downlighters.
RGB+CCT (Red, Green, Blue, White and Warmwhite) is the latest development in RGB technology and offers an even wider portfolio of colour options.
With it’s dual circuit technology, RGBCCT is able to produce a dedicated white and warmwhite light output with colour changing options.
Separate light source for RGB enables adjustable white colour temperature 2700k-6500k to achieve the perfect lighting ambience with highly energy-efficient as less power is used.
Colour Temperature Measured in Degrees Kelvin
2700k – Warmwhite
4000k – Coolwhite
6500k – Daylight
The CRI (Colour Rendering Index) is the measure of a light source’s ability to reflect the trueness of colours compared to incandescent or daylight.
It is calculated from the differences in chromaticity of eight colours which are a reference point of the standardised level of the perception of the colour by the human eye known as the CIE (Colourimetric Parameters)
The CRI scale is between 0-100. The lower the CRI, the more unnatural the colours appear when illuminated in comparison to their natural lighted reference. The higher the number, the closer the representation to daylight. Daylight has a colour rendering index of 100, whilst electric lamps cover the entire range from 0 (low-pressure sodium lamps) to almost 100 (tungsten halogen lamps). The higher the CRI, the better the light source renders a wide range of colours in the visible spectrum.
Excellent colour rendering properties are achieved by electric lamps with a CRI over 90. But in general, a CRI above 80 is considered sufficient for accurate colour judgement in most internal spaces, such as offices and shops. Electric lamps with a lower CRI may be less satisfactory for interiors but can be very suitable for external lighting applications.
Colours are compared to a reference illuminant of their kelvin measure known as the correlated colour temperature (CCT); the smaller the average difference in chromaticity, the higher the CRI.
There are different modes of control for RGB lighting offering the freedom to choose not only the colour required but the mode of transition i.e. flashing, strobe or a slow merging from one colour to another.
GAP LIGHTING offer an extensive range of RGB colour changing products with multi-function and touch dimming control.
MULTI ZONE controllers allow multiple lights to be grouped into areas, and to create different lighting schemes or levels of lighting. All zones can be controlled independently or synchronised altogether at a touch of a finger. This is ideal for restaurants, hotels, large homes, and outdoor spaces.
8-ZONE remote with dedicated buttons for CCT and control up to 8 zones. It offers preset programs which are selected by the M+ or M- functions. The speed of transition is controlled via the S+ and S- functions. The B+ and B- are dimmable functions which enable the user to dim or brighten the colour in a smooth transition.
4-ZONE GAP LIGHTING’s 4-zone system can be used to control and synchronise many of our RGB and RGBW products.
Select from our range of 4-zone controllers T-4Z-REMOTE, T-RGB-CCT and T-4Z-WALL to enable striplights, floodlights, downlights, ground lights, and more to be controlled independently or synchronise and colour change simultaneously.
DMX is a well known digital communication protocol used to control all types of lighting, including domestic, architectural, feature and theatrical. It gives convenience to linking different types of light fixtures and is commonly used as an interface to allow different lighting systems to work together. As an established protocol, its a popular choice for many large domestic and commercial applications, allowing for future upgrades of new products and systems without the need to change the existing control system and wiring.
Why choose DMX:
– Smart advanced intelligent lighting
– Energy efficient
– Control multiple lights and zones
– Easy to integrate with other lighting systems using DMX protocol, including home automation
– Versatile for small domestic or large complex commercial lighting projects
RF (Radio Frequency) allows the user to synchronise and control multiple units from just one controller. The distance range can be up to 100m.
WIFI control can be used in conjunction with smartphones and tablets via a downloadable app.
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