The majority of LEDs are produced to be either 2700k, 2800k, 3000k, 4000k or 5000k. 2700-3000k being warm, 4000-5000k being cool.

Illustrated definition of Coaxial: Sharing a common axis Example: A Coaxial Cable has layers that share a common axis.

When choosing the colour temperature you really need to consider the finishes and colour palette of each space. Reds, orange, yellow, and wood all look beautiful under warm white light. Whereas blues, and greys can look ‘flat’. Cool white will make blue colours look amazing and can make white look ‘crisp’. However reds and yellows can appear a little brown and wood can look ‘dull’.

LED backlitdisplay vs IPS

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LED backlitphoto frame

80% of the luminaires we specify are warm white (2700 / 2800 degrees Kelvin). Generally it’s 100% for our residential projects. This goes back to our previous blog – What colour white do you prefer – that said, cool white LEDs do have their place. Certainly in office projects and work spaces cooler white can be preferable (cooler colour temperatures can actually help increase productivity).

For more information and advise on what colour temperatures to use in your project please feel free to get in touch. Our designers are more than happy to help. The golden rule is ALWAYS check colour temperature before you spend your money. Make sure all light sources in a room match, including any lights that come built into fixtures like cooker hoods or bathroom mirrors. Colour temperature will be stated on the packaging or product data sheet.

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LED backlitdisplay Laptop

If you are looking for a relatively low cost and good quality warm white LED light bulb, then we currently recommend the 7W Megaman lamp. A higher quality but more expensive option is Soraa.

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In an effort to reduce the cost of edge-lit panels some manufacturers introduced cheaper materials and assembly processes that impacted on their quality. Principally, this involved the LGP. Polystyrene (PS) LGPs are now used by some manufacturers, but if UV stabilisers are not added these will yellow with age and the panel will become dull in the centre while the periphery remains bright. Also, PS has a lower light transmission % than PMMA.

Perhaps the two most important factors when choosing an LED light source are colour temperature and colour rendering. We’ve touched on colour temperature in previous blogs, but feel It’s such an important subject it’s worth giving this more attention. You can read our separate blog dedicated to colour rendering here.

LED backlitLCD

edge-lit vsbacklit ledtv

... light to the top of the vertical pole. Has anyone done this before and could shed some light on the matter? Upvote 1. Downvote 2 Go to comments

Candles are very warm of course, basically yellow/orange, whereas daylight at noon is very cool. The colour or warmth of white light is ranked on a scale, The Kelvin scale, the warmer the colour the lower the colour temperature. Candles being around 2000 degrees Kelvin (k) while daylight typically 5500 – 6500k.

LED-backlit LCD display means

When we talk about colour temperature we are referring to the warmth or coolness of light. Warmer light being more yellow, cooler being more blue. There is no ‘standard’ ‘White’ LED. You need to make a choice when you purchase your fittings, do you require a warm or cool light.

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A back-lit LED panel is made of an array of LEDs fitted on a horizontal plate shining vertically down through a diffuser into the space to be illuminated. Back-lit panels are sometimes also known as direct-lit panels.

Because they have no LGP it is possible to make back-lit panels relatively cheaply. This leads some manufacturers to promote back-lit panels as a low-cost option.

If you’re looking for an LED engine then take a look at the Xicato artist series.  Or for a great quality LED down light then we recommend Orluna’s fantastic product.

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In your home it may be worth considering using cooler LEDs in the kitchen or bathrooms, particularly if plenty of natural light is available. Warm white LEDs can make white surfaces look a little ‘muddy’ compared to daylight and generally bathrooms and kitchens have white finishes. Cooler white can also create a more clinical or sterile feel, which can be desirable in a bathroom or kitchen.

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An edge-lit LED panel is made of a row of LEDs attached to the frame (or circumference) of the panel, shining horizontally into a light-guide plate (LGP). The LGP directs the light downwards, through a diffuser into the space below. Edge-lit panels are sometimes also known as side-lit panels.

LED backlitdisplay means

The key is not to mix colour temperatures in a room. Once you’ve decided which colour temperate to go for, stick with it, make sure all lights and light bulbs in that space are the same.

Some people do have some misconceptions about LEDs. They believe LEDs provide a cool unflattering light. This is almost certainly due to previous experience with cool 4000k ‘low quality’ LEDs, the type you get from eBay for a few pound each.  We can assure you there are now some fantastic LEDs available. The LED fittings we use provide a lovely good quality warm light. In fact with most of them you cannot tell the difference between halogen.

Backlit ledvsled

In the past few years ‘tuneable’ white light fittings are coming into the market. These give you the ability to adjust or tune the warmth of the light source. Fantastic for creating different effects, cooler during the day and warmer at night, or lighting artwork, giving the ability to tune the light to complement the colour palette of picture. Although tuneable fittings come at at cost and of course you need some sort of control system.

Perhaps the two most important factors when choosing an LED light source are colour temperature and colour rendering. We’ve touched on colour temperature in previous blogs, but feel It’s such an important subject it’s worth giving this more attention. You can read our separate blog dedicated to colour rendering here. When we talk about colour temperature we are referring to the warmth or coolness of light. Warmer light being more yellow, cooler being more blue. There is no ‘standard’ ‘White’ LED. You need to make a choice when you purchase your fittings, do you require a warm or cool light. Get in touch to find out how we can help with your Lighting Design needs Candles are very warm of course, basically yellow/orange, whereas daylight at noon is very cool. The colour or warmth of white light is ranked on a scale, The Kelvin scale, the warmer the colour the lower the colour temperature. Candles being around 2000 degrees Kelvin (k) while daylight typically 5500 – 6500k. The majority of LEDs are produced to be either 2700k, 2800k, 3000k, 4000k or 5000k. 2700-3000k being warm, 4000-5000k being cool. Some people do have some misconceptions about LEDs. They believe LEDs provide a cool unflattering light. This is almost certainly due to previous experience with cool 4000k ‘low quality’ LEDs, the type you get from eBay for a few pound each.  We can assure you there are now some fantastic LEDs available. The LED fittings we use provide a lovely good quality warm light. In fact with most of them you cannot tell the difference between halogen. 80% of the luminaires we specify are warm white (2700 / 2800 degrees Kelvin). Generally it’s 100% for our residential projects. This goes back to our previous blog – What colour white do you prefer – that said, cool white LEDs do have their place. Certainly in office projects and work spaces cooler white can be preferable (cooler colour temperatures can actually help increase productivity). When choosing the colour temperature you really need to consider the finishes and colour palette of each space. Reds, orange, yellow, and wood all look beautiful under warm white light. Whereas blues, and greys can look ‘flat’. Cool white will make blue colours look amazing and can make white look ‘crisp’. However reds and yellows can appear a little brown and wood can look ‘dull’. In your home it may be worth considering using cooler LEDs in the kitchen or bathrooms, particularly if plenty of natural light is available. Warm white LEDs can make white surfaces look a little ‘muddy’ compared to daylight and generally bathrooms and kitchens have white finishes. Cooler white can also create a more clinical or sterile feel, which can be desirable in a bathroom or kitchen. The key is not to mix colour temperatures in a room. Once you’ve decided which colour temperate to go for, stick with it, make sure all lights and light bulbs in that space are the same. In the past few years ‘tuneable’ white light fittings are coming into the market. These give you the ability to adjust or tune the warmth of the light source. Fantastic for creating different effects, cooler during the day and warmer at night, or lighting artwork, giving the ability to tune the light to complement the colour palette of picture. Although tuneable fittings come at at cost and of course you need some sort of control system. If you are looking for a relatively low cost and good quality warm white LED light bulb, then we currently recommend the 7W Megaman lamp. A higher quality but more expensive option is Soraa. If you’re looking for an LED engine then take a look at the Xicato artist series.  Or for a great quality LED down light then we recommend Orluna’s fantastic product. For more information and advise on what colour temperatures to use in your project please feel free to get in touch. Our designers are more than happy to help. The golden rule is ALWAYS check colour temperature before you spend your money. Make sure all light sources in a room match, including any lights that come built into fixtures like cooker hoods or bathroom mirrors. Colour temperature will be stated on the packaging or product data sheet.

The lighting market now accepts back-lit panels as readily as edge-lit panels. Here at NVC we have had both designs in our product range, but we have decided that edge-lit is marginally better. This is because the rear of the panel is the most convenient position for the driver and, because we offer 5 and 7 years warranties, we are keen that the driver should remain as cool as possible.

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Both designs can, with the right front cover, produce excellent UGR performance. To compare different brands and models look at the UGR tables that are part of the photometric data that should be available from all reputable manufacturers.