BUAD 1 - Proposal: SPD technology, or suspended particle...

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Proposal: SPD technology, or suspended particle device, is a newly discovered technological advancement that allows consumers to control and adjust how much glare, sunlight, and solar heat can pass through glass such as those on their windows at home, offices, and automobiles. Applying this technology on car windshields would enable the driver to control the “tint” on their windows, giving them optimum comfort without having to deal with the everyday annoyances of glare and solar heat, further maximizing visibility on the roads. SPD Technology SPD, also known as suspended particle device, is a technological advancement of glass and plastic products that gives the consumer the ability to manually adjust the tint on their windows at the push of a button. The SPD involves a film that holds millions of microscopic, light-absorbing particles that is placed in between the glass layers of windows, skylights, sunglasses, etc. (Pickrell, 2007). The film is set up so that the consumer applies the desired voltage amounts of electricity that cause the windows to become crystal clear or darkly tinted (Romano, 2007). When there is no applied voltage or the film is left in an “off” state, the particles are randomly scattered across the pane, leaving no open space for light to pass as the particles absorb all the sunlight that hits. On the other hand, when the consumer turns it “on” or applies electricity, the window turns back to being clear as the particles will then align and leave room for light to pass through (Pickrell, 2007). The image below shows when the black dots, or suspended particle devices, float freely along the film in between the two panes of glass to block incoming light and when they align to let light pass through.
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(Bronson, 2007) This gives the user absolute control of how much light they would like to pass through the glass and optimizes his or her comfort level. The pictures below show what the windshield would look like when set at the lowest or highest voltage amounts of electricity. . Its simple function is also beneficial since the user now only needs a small remote or rheostate to change the tint to any shade or hue in between the below- pictured clear and dark blue windows. (Transparent when turned on) (Dark tint when turned off)
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(Research Frontiers-Architectural Showcase, 2007) Licensing and Distribution Research Frontiers Inc. is the largest publicy held company in the field of SPD technology. The company currently holds roughly 470 patents around the world that enables other corporations to have access to these technological tools and its applications (Research Frontiers, 2007). Because of this, Research Frontiers does not produce any products with an SPD application and instead sells licenses of their resources out to other companies who wish to create SPD products. Since there are already hundreds of SPD window licensees in the U.S, with ThermoView being the leader in this field (Wardell, 2002), the initial start up of the “Smart” automobile
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This note was uploaded on 03/24/2008 for the course BUAD 307 taught by Professor Morristowns during the Fall '07 term at USC.

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BUAD 1 - Proposal: SPD technology, or suspended particle...

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