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Iwasaki Electric Technology Center "HIKARIUM"

Introduction of advanced lighting control systems at a base playing a central role in technological development to create next-generation light environments / Gyoda City, Saitama Prefecture

A night-time view of the facility, which uses a gate-shaped frame in the image of the gate of an old Japanese house to express the concept of the point of communication between the outside and inside.

Iwasaki Electric Technology Center "HIKARIUM" is a central base for technological development concentrating core research, development, and planning technology divisions. The facility is a four-story steel construction with a total floor space of 6,500m² and a total building area of 1800m², and was given the name "HIKARIUM" (a portmanteau of Japanese words for 'birth' and 'light') as a place to imagine new light based on the concept of "the light of the future born here." The structure has taken the motif of the gate of an old Japanese house, and has designed its external frames in the shape of such a gate, expressing the image of many people, things, and information coming and going through one. In connection with that exterior design, each of the floors has an axis running from north to south that serves as a multi-purpose area to encourage communication and collaboration between employees. Other innovations are aimed at creating synergistic effects, and these include prototyping areas to accelerate ideas into something tangible, and electronic meeting systems that enable meetings using tablets and monitors. Furthermore, in order to mitigate the effects of rising temperatures in the summer, the construction suppresses sun exposure, with the apertures on the east and west sides kept as small as possible, and made larger facing the north and south directions. Solar panels have been installed on the roof, and the building has received the rank of 'A' in the Saitama Prefecture Environmental Consideration System, which is a system that evaluates buildings on how considerate they are of the environment. Power generation equipment has also been installed as a BCP (Business Continuity Planning) measure in case of disasters. This has also ensured the capacity for self-produced power and established an environment that will allow business to continue in the unlikely event of a power outage.


Entrance, Reception Hall, Office Rooms (Office and Collaboration Areas)

The entrance, reception hall, and office rooms use lighting control that changes the brightness to match the day's schedule, including for before work, during work, lunch time, and after work. The collaboration areas have ceiling-recessed indirect lighting installed, which is adjustable from 2700K to 5000K to change color to match the fading sunlight and promote the formation of a circadian rhythm in workers. The lighting control system automatically controls brightness and color temperature in accordance with changes in the time and daylight, and can also be controlled via a tablet. It creates optimum lighting environments for a variety of uses and contributes to improved productivity and a worker friendly environment.


Large Meeting Room, Small Meeting Rooms, Reception Rooms

In anticipation of a variety of uses, the meeting rooms and reception rooms have presets for lighting scenes with suitable relevant light environments. The large meeting room has 4 scene settings, including using baselights that obtain overall brightness, downlights that create a light environment with a sense of contrast, a combination of lighting rails for use with displays, and meetings or presentations using a projector. Furthermore, movable dividers enable the room to be partitioned into 2 or 3 sections, and detailed scenes to match the room size and desk arrangement can be created via tablet. For the reception rooms, indirect lighting has been installed on the walls facing the entrance, greeting customers with bright yet soft light. Like the meeting rooms, these also can recreate lighting scenes in 4 patterns depending on use.


Illumination Display

Warm scenery with a focus on incandescent color is created during the evenings. LEDioc FLOOD FULL-COLOR LED full-color floodlights are used to provide a full-color illumination display on the external wall on the JR Gyoda Station side, with attention paid to seasonal effects that will be popular with people in the region. The lights are on from dusk until 9 PM, and the full-color LED floodlights are controlled via a lighting effects program stored in the DMX controller that displays color changes matching the season in addition to the Iwasaki color of blue.


Prototyping/Testing Area

Located on the first floor behind the entrance, the prototyping/testing area is where the cutting-edge analysis and measurement equipment that is the foundation of product/technology development is aggregated and further improvements in technological capacity and quality are sought along with accelerated development speeds. Wireless individual variable lighting control is used here. Areas for illumination are selected as required to create a lighting environment of appropriate brightness.


About the Lighting Design

At Iwasaki Electric Technology Center “HIKARIUM”, a variety of systems, including wireless, full-color DMX, and the DALI international standards for communications in lighting control are under integrated management using the company's ITACSLC lighting control system. Detailed control matching use is also performed for each area, and the company is engaged in the creation of advanced lighting environments that deliver improvements in power savings and the comfort and intellectual productivity of workers.

Warm night-time scenery has been created using incandescent light in consideration of the surrounding residential area in front of JR Gyoda Station.

An external view of the facility during the day.

The area around the 1F entrance. The lighting control changes the brightness to match the day's schedule.

The 2F reception area is an open space with a section for meetings.

A view of the area around the entrance.

Collaboration areas are located in the middle of the floors. Interaction between departments promotes the effects of technological synergy, which promotes the development of more unique products. (Lights turned on at 5000K)

A collaboration area, where the brightness and color temperature change depending on the situation. (Lights turned on at 4000K)

A collaboration area with the lights turned on at 3000K.

A view of an office area and collaboration area. The lighting control changes brightness and color temperature to follow the circadian rhythm of the workers and create a comfortable light environment.

The office areas are on a managed schedule to be appropriately bright depending on what time it is.

The 2F large meeting room, which can be adjusted in size according to use. There are 4 lighting-scene presets that match different uses and can be easily selected via a single switch.

The 2F reception room with all lights turned on. 4 lighting scenes can be selected.

The 2F reception room. The lights can be set to a relaxing hue when the room is used for briefings or similar.

The lights turned on and showing the Iwasaki color of blue.

The illumination display has light hit only the gate-shaped external frame, creating effective night-time scenery that matches the seasons.

LEDioc FLOOD FULL-COLOR LED full-color floodlights give free expression to a diverse range of colors, and have been installed to enable full-color illumination displays.

The Evaluation Test Device.

The 1F prototyping/testing area. The area to illuminate can be selected using wireless individual variable lighting control.

Solar panels have been installed on the roof.


LEDioc HIGH-BAY α - 36
Lighting control system「ITACS LC」 - 1
LED Baselight
LED Dimming Toning Line Illuminator
LED Universal Downlight
LED Spotlight
LED Dimming Glareless Downlight

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