The R20 is a part of the eDVA Tech LED bulb retrofit family. Our design team set out to create a unique bulb that featured the same minimalist exterior look, while dealing with 60% less available surface area for LED heat dissipation. Our breakthrough design achieves world leading energy efficiency results. At 88 lumens per watt, it is our most energy efficient of the R/Par bulb family.
The R30, part of the eDVA Tech LED bulb retrofit family, is a true design innovation from the inside out: the LEDs, circuitry, housing materials, and lens were all custom created and rigorously tested to create a breakthrough product. From a performance standpoint, the product had to function at the same level as the incandescent BR30s we wanted to replace. From a build standpoint, our design teamâ€™s goal was to minimize the aluminum content while creating an optimal surface to dissipate heat.
To optimize performance, our team choose to use the eDVA Tech LED with a 45 degree beam angle, so as to provide even illumination on the average 4ft high work surface (i.e. countertops, desks, etc.). Then, our team created a custom secondary optic to capture the light and displace a percentage of it towards the ceiling; similar to what the incandescent BR30 does. Our innovation resulted in a R30 that overcame the common customer complaint that switching to LED resulted in noticeably darker ceilings.
To minimize build materials and reduce waste, our design team created a radically different LED bulb body. They eliminated the thermal heat sinks or fins that are present in all other LEDs bulbs, to drastically reduce the amount of materials used. The innately lower operating temperature of the eDVA Tech LED is the sole reason our radically new design is possible. The combination of technology and smart design is the reason why there is no LED bulb on the market today that performs or looks like ours.
The Par30 is the Par/R20's, sophisticated and mature big sister, complete with a sleek aluminum body and custom, prismatic, high refraction lens face. Our design team set out to dazzle with this bulb that is meant for high-end luxury buildings, hotels, and upscale homes. Our design teams poured over secondary optics and various types of aluminum finishes before finally finding the perfect compliments.
Ubiquitous halogen MR16s and their LED replacements caused our team to question if it would be beneficial or useful to create our own MR16 model. The LED replacements on the market always just fell short of the halogens in terms of lumen output and beam angle options; and the bulb size is so small that the challenges of designing a LED MR16 are immense. However, as MR16 LED bulbs with active cooling methods (i.e. powered fans akin to those used for computer hard drives) began to enter the market, we realized there was a unique opportunity for our eDVA Tech LEDs to solve the heat problem other LEDs were running up against. Hence, our team began to design a new MR16 bulb.
Our final design achieved the highest energy efficiency on the market, while performing as one of the higher lumen output MR16s on the market. The projectâ€™s success was driven by 3 major factors:
Using eDVA Tech LED solved the two main challenges of heat and light control. However, the final challenge was the circuitry. As MR16s are a 12V, low voltage product, our engineering team had to create a custom low voltage circuit that could still fit inside our of MR16's tiny form factor. Our electrical designers tested multiple combinations before finding one that finally met our MR16's stringent size requirements.
The LL20 is a commerical retrofit, fully waterproof, dimmable, light-weight, and extremely low wattage eDVA Tech LED bulb that is designed specifically for chicken coop houses. The LL20 is designed to replace the 60W incandescent bulbs that are commonly used in the poultry houses. It has been impossible for facility managers to upgrade the chicken coop lighting to a more energy efficient technology, such as compact fluorscents, due to the extremely corrosive ammonia that naturally bulids up in the air over the chicken's growth cycle and the need for precise dimming control. In addition, after each growth cycle the chicken coop is subject to an aggressive sterilization and pressure washing process. The rigiorous demands placed on the bulbs forced poultry coop managers to continue to use the highly inefficient and expensive incandescent bulbs.
Read our case study to learn how we designed an LED bulb for these tough conditions. Learn more. >
When we first conceptualized our combo, our factory was manufacturing enough combo exit and emergency signs to fill multiple 40ft containers per month. However, the bulky emergency heads neither looked good nor performed well; and they took up a ton a space during the shipping process. Recognizing there was a huge market need, our design team set out to re-design the combo. The results achieved were spectacular: an 80 % smaller profile, a 75% reduction in energy savings, and a really sleek, slim looking sign.
First, our main priority was energy efficiency, as reduced energy consumption directly translates into hard dollar savings for the customer. Our electrical team designed a more efficient circuit, used improved performance LEDs, and a higher quality ni-cad battery to drive down the wattage consumption.
However, the largest challenge came from the emergency heads: they are required to provide emergency light for at least 90 minutes, while powered strictly by batteries. Current combos used high wattage, inefficient incandescent bulbs to provide the emergency light. These incandescents required large batteries and consumed more energy during batteries recharges. Worst of all, the emergency heads ineffectively provided poor visibility in smoke. To solve the emergency heads problem, our design team became the first to use a completely solid state circuitry in our combo sign.
A major portion of our breakthrough was enabled by the eDVA Tech LED. eDVA Tech uses a built-in optic, generates minimal heat, and thereby has nominal heat sink requirements. eDVA Techâ€™s advanced functionality made it significantly easier for our design team to use LED in the combo sign, especially when compared to other LED options on the market. Our designers did not have to make tradeoffs with secondary optics that cut light output, while struggling to meet the life safety flammability requirements, or with designing a miniscule thermal management system that could appropriately manage the LEDâ€™s heat.
Second, our design team set out to create a more ascetically pleasing sign. As the US life safety and fire codes require specific widths, height and contrast of the â€śEXITâ€ť letters, our design team focused on making the signâ€™s other features cleaner and sleeker.
The greatest design breakthrough occurred with the emergency heads. Our team moved the emergency heads from the signâ€™s side to its bottom to put it physically closer to the â€śpath of egress.â€ť This redesign, along with a new emergency head shape, shrunk the comboâ€™s footprint by 80%. Furthermore, our designers increased the emergency lightâ€™s range by inventing an unique LED head that rotates 320 degrees and tilts up to 60 degrees, so customers could put the emergency light exactly where needed to meet fire code requirements.
Finally, with our policy of leaving no detail unexamined, the designers cleaned up the signâ€™s interior to make it easier for electrical contractors to service the sign without risk of damage. Our design team designed a sleek compartment to house the normally exposed driver and PCB board, leaving only the LEDs exposed.
Our design team set out to improve performance and create a more energy efficient sign. We focused on reducing energy consumption as it translates into hard dollar savings for the customer. Our electrical team designed a more efficient circuit and used higher performance LEDs to reduce wattage consumption, while achieving uniform illumination of the "EXIT" letters.
Our design team's desire to improve the sign even extended to the sign's interior, which received a clean up for improved serviceability. Our design team hid the normally exposed LEDs, driver and PCB board under a sleek cabinet, leaving only the LEDs exposed. Now, a contractor can access the sign's interior with no risk to damaging the LEDs or circuit.
Lastly, our design team re-engineered the classic outer shell to use high quality, virgin, V-O rated flame retardant plastic and a precise finish to provide the highest quality safety exit sign.
Our design team set out to improve performance and create a more energy efficient sign. We focused on reducing energy consumption as it translates into hard dollar savings for the customer. Thereby, our electrical team designed a more efficient circuit and used higher performance LEDs to reduce wattage consumption, while achieving uniform illumination of the "EXIT" letters.
Due to the lower wattage of our FULL LED sign, we reduced the battery size by X%. A smaller battery also further reduces energy consumption (because the battery does not require as much energy to charge), product weight (to reduce shipping costs), and the numbers of batteries to recycle at the end of the product's life.
The redesign even extended to the sign's interior, which received a clean up. Our design team put the normally exposed driver and PCB board into a sleek compartment to eliminate the risk of damage and increase serviceability.
Lastly, our design team re-engineered the outer shell to use high quality, virgin, VO flame retardant plastic to create a durable and high quality safety exit sign.
William Yu, ITI's founder, invented the ENS Screw-In retrofit lamp. In 1994, at Light Fair International (LFI) in New York, a Canadian buyer discovered the product and suggested that William shorten the bulb by 2 inches for a lamp that would be a perfect replacement for incandescent exit bulbs. William's team made the customer's requested changes and in the process created a product that has sold 11 million units, saved North American's $29M in electricity costs, and created numerous imitation products.
Our product's benefit is that it replaces incandescent bulbs (which have a very short 1,000 hours lifespan), with our LEDs (which have a long 100,000 hours lifespan). As building code requires exit signs to be lit 24 hours a day, 7 days a week, switching to ITI's exit retrofits helped customers save significant electricity, maintenance, and labor costs.
When designing the exit sign bulb, our team studied how to evenly illuminate the "EXIT" letters while minimizing energy consumption. The end result was a unique, oblong shaped bulb and custom LED array that achieved uniform letter illumination on both the front and back exit sign faces- a feat previously unachievable with the incandescent bulbs. The main factor driving the designâ€™s functionality is our LED, which features a primary built-in optic to provide direct light beam control.
Lastly, to increase compatibility with a greater number of exit signs and simplify installation, each retrofit kit comes with multiple adapters and an adjustable base.
For the story on how the ENS Exit Sign retrofit's basic model was invented, see ENS Exit Retrofit Design Story.
The Hardwire Retrofit Kit is a modified version of our screw-in retrofit model that can be used in non-standard exit signs where the screw-in kit is either not compatible or to achieve a more customized result.
When designing the Hardwire Retrofit Kit, our team evaluated exit signs of all heights and widths and discovered that there was a huge variance in the exit sign interiors. To overcome this obstacle, we invented an adjustable base that is convertible both height-wise and length-wise to ensure our LED lamps are always optimally placed for even sign illumination.
A major challenge with designing the base was that we wanted it to be extremely easy to put together and install; and we wanted a base that could be installed without additional equipment or tools, such as screw drivers, wrenches, pliers, etc.
Our team's final design was an adjustable, snap-together base that ships flat. In addition, our adhesive mounting method ensures a quick installation with no additional adjustments needed to the sign's interior. Lastly, the installation is easily reversible should the base ever need to be removed.
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