Arrant-Light Oy is now an official distributor for Ledil Optics in Nordics
This spring we will expand our partnership with Ledil. We have…
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10 reasons to choose aLED ALOG100 borosilicate glass lenses
A few years ago we released our own borosilicate glass…
Tero Explains: What is EPREL for light sources? 2/3
The first article of this 3-part blog post series was…
A New aLED KIDEFLEX LED Strip – Save energy up to 84%
We talk a lot about energy saving in general lighting,…
aLED Modules – high efficacy and quality
aLED products are Arrant Light Oy’s own line of LED…
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Arrant-Light Oy Celebrates 40 Years – Here’s our Story
1984-2024 A Brief History of Arrant-Light Oy The story of Arrant-Light Oy began in Turku, in 1984 as a supplier of long-life fluorescent tubes and bulbs. Mr. Tarmo Mäkinen established the company and together with his wife Eeva started to run it. His knowledge and long experience in managing wholesale and electrical installation companies led…
Common LED Lighting Myths: Part 1
Let’s delve deeper into the topic of common LED lighting myths and how to separate fact from fiction. LED (Light Emitting Diode) lighting is still a rapidly advancing technology, and while it offers numerous benefits, it has also become the subject of various myths and misconceptions. Understanding the truth behind these myths is crucial. This…
Arrant-Light Oy is now an official distributor for Ledil Optics in Nordics
This spring we will expand our partnership with Ledil. We have been working with Ledil for years and we have supplied Ledil’s LED lenses, reflectors, and COB holders in the Baltic countries. We are proud to announce that we are now an authorized distributor of Ledil Optics also in Nordic countries. From now on we can…
Christmas Wishes
This is really unbelievable situation that we are celebrating the 3rd Christmas time in a row under crisis and the unnormal situation in Europe and globally. We were just getting out from the crisis of the Covid virus and suddenly the 24th of February this year we heard from the news that there started a…
Thank you for meeting us at Light+Building 2022
Light+Building exhibition is organized in Frankfurt, Germany every two years. This exhibition is Europe’s leading fair for lighting industry professionals and it gathers all suppliers, manufacturers, and designers together. Arrant-Light Oy took part in the fair first time with its own stand to promote the aLED brand. A long waited Light+Building 2022 is now over…
10 reasons to choose aLED ALOG100 borosilicate glass lenses
A few years ago we released our own borosilicate glass optics series named aLED ALOG100. This series contains six different glass lenses with angles from 20° to 160°. These glass lenses have so many good features, and in this blog post, you’ll understand why aLED ALOG100 is so popular and why you should really consider…
Tero Explains: What is EPREL for light sources? 2/3
The first article of this 3-part blog post series was dealing with the near-term history of European directives and regulations related to energy efficiency and different energy-related products (ErP), not only energy-using products (EuP). Starting from Kioto 2005, this process has then proceeded to the situation, where new kinds of regulations have been taken into…
Meet our new Category Leader
At the beginning of September, Oskari Viitaniemi started in our lighting component sales team as a category leader for power supplies. He will bring a lot of knowledge of sales and logistics to the team with his great experience in the field. His time will mainly go into sales, but he will be also part…
Tero Explains: The New EU Regulations coming on September 1/3
In this blog post series of 3 articles, our technical sales Tero Nurmi will tell you about the new EU regulations which will take part on 1st September 2021. In this blog series first Tero will tell you, what are these two different regulations: Single Lighting Regulation (SLR) and Energy Label Regulation (ELR). After that, Tero will…
The New Citizen Generation 8.5: Maximize the LES lumen output
Two weeks ago we launched the new product, aLED SUVISPOT, which is all about the greatest color rendering there is. However, sometimes the application doesn’t need great color rendering. We are now talking about industrial lighting and some outdoor lighting like in the sports fields. In these cases, the lumen output is more important than…
A New aLED KIDEFLEX LED Strip – Save energy up to 84%
We talk a lot about energy saving in general lighting, but somehow we have forgotten that in LED strips. In this blog post, I will present a new aLED product: The aLED KIDEFLEX LED strip. It’s a new kind of LED product that can save energy up to 84%. Energy-saving in the LED Strips In…
Arrant-Light Oy Wishes Merry Christmas and Happy New Year!
Dear Customers and Partners, It is the time of the year again where we can wind down and enjoy this year’s achievements with family and friends. All our customers and partners are part of the Arrant-Light family. Without you all, we would not exist. There were lot of happenings in 2019, but to Arrant-Light Oy…
5 ways to reduce packaging waste and make them more user-friendly
To us, it’s very important how the components that we import have been packed. Our aim is to minimize the excess packaging waste, to avoid plastic and to design a packaging that is user-friendly, easy and effortless to handle. The same goes with our components as well. In this blog post, I will be explaining…
aLED Modules – high efficacy and quality
aLED products are Arrant Light Oy’s own line of LED modules. We have been designing and producing LED modules since 2008. Our LED modules have been used for mass production luminaires and also for projects that need a special solution like in hospitals, automotive industry, safety light, and architectural lighting. We have dozens of standard LED…
Season’s Greetings From Arrant-Light Oy
Dear Customers and Partners, It has come again the time of the year when all jobs have been done and it is time to spend a peaceful and relaxing Christmas holiday with our families. Past year has been globally very unstable and time of the big changes. It feels like everything has changed and we…
Environmentally Friendly LED Lighting Components
Generally, we can say that LEDs are environmentally friendly and recyclable. They have a long lifetime and low power consumption. They don’t contain hazardous substances, for example, mercury as compact fluorescent lamps do. In this blog post, I will present to you four environmentally friendly luminaire component choices. LED That Don’t Need a Driver Have…
Million shades of white LED
Nowadays LEDs have great efficacy and lifetime. They produce more and more light with less power. I think that it’s less important to increase efficacy because we have already reached what the market demands. What else we need from the light than a lot of lumens? In this blog post, I’ll compare the differences between…
Downsize your luminaire with new HC-series
New series of LED, Citizen High Current COB LED is now available. What is High Current COB LED or in other words HC-COB? What new possibilities does it give to us? I’m going to tell you all that in this blog post. HC-COB is COB that has same LES and package sizes as the previous…
Tunable White – Achieve color temperature from 2700K to 6500K with one LED module
Tunable White is becoming a big trend in residential and office lighting. I introduced one color-changing LED product, Dim-to-Warm LED, in the earlier post. In this post, I will tell you about the Tunable White module. Its color temperature can be changed freely from 2700K to 6500K. This means that you can achieve warm light…
Dim-to-Warm – COB LED that dims like halogen
Dim-to-Warm is COB LED which works like halogen lamp when dimmed. Its specialty is that when you dim it the color temperature gets warmer. Usually dimming does not affect the color temperature of the LED. Dim-to-Warm LED imitates the effect of the halogen lamp which gets warmer by dimming. With full power you can get…
Why Heat Pipe is Better than Traditional Heat Sink?
You will need a heat sink when you use a COB LED in your luminaire. The traditional way of transferring the heat away from the light source is to use a passive aluminum heat sink. In this blog post, I’ll introduce you the new way of cooling: heat pipe. Traditional heat sinks are based on the…
Microwave Sensors: How to Utilize Them in Lighting?
This blog post deals with microwave sensors. Especially how they are used with general lighting components to realize intelligent lighting systems. Some pictures enlighten the possibilities of microwave sensor technology better than hundreds of words. Microwave Sensors Microwave motion sensors operate in a different way that e.g. more commonly used passive infrared sensors. MW sensor…
Why Should You Choose the New aLED Module
We redesigned our aLED-modules based on customer and market feedback. Here is a brief explanation on what is different compared to previous version. And why I think you should consider using aLED modules. Better efficacy (159-191 lm/W) We upgraded the SMD LEDs used in the modules to better suit our customers’ needs. aLED modules…
How to Connect LED Modules into AC Network
In my earlier post I went through the procedure of how to physically connect a single LED component into an AC network. The connection was made between COB LED and the LED driver. When connecting LED modules (LED diodes assembled on the PCB board) you do it pretty much the same way with slight differences.…
How to Connect a Single LED Component into AC Network
I have two blog posts for you focused on how you connect COB LED components into the electrical network. I mean, when you have either a single COB LED or an LED module based on SMD LED components assembled on a PCB board. Compared to traditional lighting, connecting LEDs to the electrical network is a whole…
Thank You for Everyone at Elfack 2017
I would like to thank everyone who we met at the Elfack Exhibition in Gothenburg, Sweden. We had some good conversations with our existing customers as well as new people. This year we tested the color quality of Citizen’s LEDs at our stand. We got many answers through our questionnaire and found out that many…
What We Are Presenting in Elfack?
Elfack exhibition will be held in Gothenburg, Sweden from 9th to 12th of May. As it has been with previous exhibitions, we will be releasing new products and presenting the latest technology at our stand. This year we will introduce and present the following products at our stand F04:70. aLED Engine We designed aLED Engine for…
AC COB – Easier way to make a luminaire
What is AC COB? AC COB is brand new AC LED solution from Citizen Electronics. It is available with holder which contains necessary components to connect package directly to mains voltage. So basically it is designed to make life of luminaire manufacturer easier. What advantages? AC COB has integrated circuit which allows you to control…
Citizen COB LEDs generation 6 – What is new?
Citizen have released generation 6 from their successful series of Citizen COB LEDs. In this post I’ll go briefly through, what is new and what advantages these COBs have compared to previous generations. There are five main points at generation 6 from Citizen: 1. Performance increase Performance will up to 7% depending on CRI of LEDs.…
Glass Lens vs. Silicone Lens in Street Light
What is the difference between a lens made from optical glass and the lens made from silicon, when used in street light application? In this blog post, I will explain the pros and cons of both lenses. I will also use a case example to showcase the differences. The Basics First let me explain few…
Vivid LEDs: Special Color Rendering With Spectrum Tuning
When we talk about color rendering, traditionally that conversation has been filled with CRIs and Ra-indexes. These traditional ways of telling how well certain light source represents sunlight have been criticised because they may not tell the whole truth. In recent years, LED manufacturers have been trying to answer this criticism by creating different products.…
How to use Citizen LED simulator
Datasheets are essential part when you compare how different light sources work in your solution. Usually it can be time taking and exhausting to glance at datasheet and find values you are looking for. This gets even harder if you have multiple LEDs or different LED packages, which would mean that you have look at…
What is OLED in Lighting?
OLED means Organic Light Emitting Diode. It works in similar way than (semiconductor) LED. Both need positive and negative charge carriers to generate electrical current and finally generate light. It is a surface light source based on organic material layers. LED, on the other hand, is a point light source that is based on semiconductor materials. But…
FAQ: OLED – Panels
From this post, you can find the most frequently asked questions related to OLED panels. The post will be updated in the future if new questions arise. Q: What is OLED? Does it work in the same way as LED? A: OLED means Organic Light Emitting Diode. It works in similar way than (semiconductor) LED.…
OLED Lighting Market to multiply by 15 in next five years – Are lighting manufacturers ready?
The world market for OLED Lighting will grow to 1.6 billion US Dollars in next five years. This year the market is estimated to be 135 million Dollars. This is according to UBI Research. The situation is similar to LED market in 2007. When we introduced Citizen LED to our customers in 2007, many held…
Different Dimming Types for LED Lighting
You can use several different dimming options to dim LED Lighting. What are the possibilities and what dimming should you look from a LED driver? I’m going to answer these questions in this blog post by going through the different systems. The goal is to give you the basic understanding of the dimming methods available…
FAQ: aLED Modules
Q:You have the driving current 700mA written in the datasheet of your LED module. Can I use smaller driving current? A:Yes, you can use smaller current. The current value 700mA mentioned in the module’s data sheet is so-called nominal/typical value that corresponds to the value Citizen announces for voltage and luminous flux (lumens) of the…
Why the Same Color Temperatures Look Different?
We see more and more light sources that supposed to be exactly the same color temperature, but actually appear different to human eye. So why the same color temperatures look different? When people talk about color temperature, they are usually talking about correlated color temperature instead (CCT). There is a difference between these two. Color…
How Lifetime Affects the Energy Savings of a Luminaire
Generally, when selecting LED luminaires, the attention is drawn to energy consumption. Efficacy, therefore, the power consumption, is the most important selection criterion. But do you pay attention to the lifetime of the luminaire? What happens if the better efficacy luminaire has shorter lifetime? This means that you may have to renew the luminaires much…
How to Choose Constant Current LED Driver for your Application [Infographic]
The selection of Constant Current driver is not always that simple, Esko wrote a post about it some time ago. You can read that here. Below you can find an infographic about the same topic. If you like it, feel free to share. Here is a link to our Lightbuilder.
Flicker in lighting
We get a lot of questions regarding flicker. People are asking what it is and what causes it. I decided to to some research and write a post about the topic. I have very little technical understanding and therefore I try to explain this in simple manner. What is Flicker You all know the effect when it…
How to select modules + driver package
In this blog post we concentrate on how to design a LED lighting package as a whole. And what different aspects you will have to take into account when selecting a light source and a driver. I decided to write this as a case example so that the post is more concrete. Most of the…
How to affect the lifetime of a LED module
How to affect the lifetime of a LED module Lifetime of a LED module? What it means? Does it mean that LED module does not function anymore after the defined lifetime value? How to determine lifetime for the LED module? This post tries to explain what different lifetime estimation curves mean and how to interpret…
What is COB LED
COB LEDs are very popular nowadays in LED lighting business. We talk and write about COBs, and our customers use COBs in their luminaires, but what exactly is COB? First of all, the abbreviation COB comes from words Chip-on-Board. In COB packages many LED chips are usually attached to substrate with non-conductive adhesive. LED chips…
How to Choose a Suitable Constant Voltage LED Driver for Your Application
We discussed earlier about general characteristics of LED drivers and how to choose a suitable constant current LED driver for your application. Now, I’m going to tell you how to choose a right LED driver for your constant voltage application. As told in the previous posts, LED drivers are divided into two different categories: constant…
What is aLED?
We released a new brand for our products; aLED. At first this brand is used along with our led modules, but later there will be more products to be labelled aLED. There might be some people, possibly you, wondering what does aLED stand for? And why did we decide to create such a brand? Let…
The history of LED – part 2
In my previous blog post, I wrote about the general development of the LED. Focus was in the development of LED component. How it was transformed from a laboratory experiment to a mass production of commercial product. Different colors of LEDs were produced by applying different semiconductor layers on certain substrate materials. Still, there was…
Letter For Customers and Partners
I am very pleased to be writing this letter to our customers and partners – and to thank all of you who have trusted us over these past 30 years, helping us to sustain and grow the company. The history of Arrant-Light Oy dates back 30 years to when my father, Tarmo Mäkinen, founded the…
Citizen COB LEDs generation 3 – What has changed from the last generation?
Citizen has released brand new generation 3 COB LEDs. Is this post I go through briefly what changes and advantages this update brings to Citizen LEDs. First thing which is noticeable with new LEDs is that product code changes from e.g. CLL022 to CLU024. Third letter has been changed to ‘U’ to inform that generation…
How to Construct a LED Luminaire
There are many aspects that have to be taken into account when constructing a LED luminaire. In this post I will give you some tips how to build a LED luminaire and which things have to be considered. There are five steps for designing LED luminaires: The definition of lighting requirements; how much you need…
The history of LED – part 1
When you are talking about the history of some phenomenon, you will end up to the endless question where to start. So is also the case with LED components. As such, light emitting diode is the electrical component which conducts current to only one polarity of voltage, forward voltage, as told in an earlier blog.…
How to choose suitable Constant Current LED driver for your application
We discussed earlier about the general characteristics of LED drivers. In this post, I’m going to tell you how to choose a right LED driver for your application. LED drivers are divided into two different categories: constant current and constant voltage drivers. But that is not the only thing you have to take into account…
LED Drivers – Powering the LEDs
LED driver is the source of power for LEDs. Whenever you are building an LED luminaire, you will always need a driver or possibly even multiple drivers. There are different types of LED drivers, as there are different types of LEDs. LED drivers can be divided into two categories: constant current(CC) and constant voltage(CV) drivers.…
How to choose the right LED?
There are tons of different LEDs even in one manufacturer’s selection so how on earth can you find the right LED for your solution? In my previous post I discussed about the basic characteristics and operation principles of LEDs. In this post I will discuss about different packages and about the facts that will…
What is LED?
LED – The replacement for every light source we possess? Thanks to the tightened regulations and more energy efficient approach, LED has started to replace all the traditional lighting. But what do those three letters hold inside? What actually IS LED? Literally, it is a light-emitting diode. Technically it is PN-junction. Functionally it is a…