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dotmetricstech.com

Stage

Acquired | Acquired

Total Raised

$650K

About Dot Metrics Technologies

Dot Metrics Technologies is a company that received a SBIR Phase II grant for a project entitled: Ultraviolet Germicidal Optical Flow Cell. Their project will bring to market a low power, point of use (PoU) water disinfection system designed to retrofit into existing passive (non-germicidal) filtration systems. This project will use ultraviolet light emitting diodes (UV LEDs) along with a novel and proprietary flow cell design, resulting in PoU water disinfection. Current ultraviolet PoU water disinfection is accomplished using discharge lamps, which requires high voltage, ballasts, and a relatively large form factor. The use of UV LEDs instead of discharge lamps will allow the light sources to reside inside a smaller form factor, and to function at lower overall electrical power, without line voltage and ballasts. Furthermore, the proprietary optical design of the flow cell will improve upon conventional flow cells by maximizing the ultraviolet dose received by microorganisms in the water, and increasing their residence time in the flow cell. Currently, there are no PoU systems employing UV LEDs as the germicidal source. If successful, the product developed under the phase II program will be the first of its kind and provide a point of entry for UV LEDs into the large PoU water sterilization market. The low power aspect and small form factor of the flow cell will make the system potentially suitable for battery operated field applications where line voltage is not available. Such applications may include military or medical field operations. Overall societal impact should be significant, particularly in markets outside the United States where there is increasing concern about water sterility. Dot Metrics Technologies is a company that received a SBIR Phase I grant for a project entitled: Integration of Langmuir-Blodgett Quantum Dot Films Into Optoelectronic Device Heterostructures. Their project, entitled "Integration of Langmuir- Blodgett quantum dot films into optoelectronic device heterostructures", will drive incorporation of colloidal semiconductor quantum dots (SQD) into inorganic semiconductor optoelectronic devices. Nanostructure plays a critical role in high efficiency operation of IIInitride light emitting diodes over a range from violet to blue-green. Dot Metrics Technologies has novel intellectual property to extend III-nitride LED color to the deep green through integration of II-VI SQD layers. Electroluminescent devices with low wall plug efficiency have been demonstrated by DMT and others. Drop casting and spin casting methods used so far to deposit SQD result in non-uniform layers of SQDs, degrading uniformity of vertical electronic transport through the heterostructures. In this project, standard Langmuir-Blodgett monolayer film deposition techniques will be employed to deposit single layers of SQD. In this way, SQD active layers will be on the order of the same thickness as quantum wells in III-nitride LEDs. Molecular beam epitaxy (MBE) will be used to encapsulate SQD to form device heterostructures, and light emitting diodes will be fabricated and tested. The broader impact of this project is significant. Deep green light, near the human eye response peak, is an essential component of "white light" and multicolor displays. Typically, deep green is generated through lossy phosphor down-conversion. This project will result in higher efficiency generation of deep green through direct electrical pumping of SQD. Resulting devices will be highly marketable; thus, the work will attract further funding from non-SBIR sources upon completion. Also, direct electrical control of deep green allows better control of subjective color quality, resulting in higher quality lighting and displays, and also energy savings. Integration of SQD with traditional semiconductor epitaxy is itself a marketable process, potentially applicable to other types of optoelectronic devices such as detectors or solar cells. DMT has executed four other SBIR projects to date, and while no products have yet been commercialized, significant technical progress has been made as evidenced by the numerous publications associated with this work

Dot Metrics Technologies Headquarter Location

9201 University City Blvd.

Charlotte, North Carolina, 28223,

United States

704-604-0653

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Expert Collections containing Dot Metrics Technologies

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Dot Metrics Technologies is included in 1 Expert Collection, including Semiconductors, Chips, and Advanced Electronics.

S

Semiconductors, Chips, and Advanced Electronics

6,021 items

Companies in this collection develop everything from microprocessors to flash memory, integrated circuits specifically for quantum computing and artificial intelligence to OLED for displays, massive production fabs to circuit design firms, and everything in between.

Dot Metrics Technologies Patents

Dot Metrics Technologies has filed 1 patent.

patents chart

Application Date

Grant Date

Title

Related Topics

Status

9/3/2004

6/30/2009

Luminescence, Gallium compounds, Spectroscopy, Nanomaterials, Solar cells

Grant

Application Date

9/3/2004

Grant Date

6/30/2009

Title

Related Topics

Luminescence, Gallium compounds, Spectroscopy, Nanomaterials, Solar cells

Status

Grant

  • Where is Dot Metrics Technologies's headquarters?

    Dot Metrics Technologies's headquarters is located at 9201 University City Blvd., Charlotte.

  • What is Dot Metrics Technologies's latest funding round?

    Dot Metrics Technologies's latest funding round is Acquired.

  • How much did Dot Metrics Technologies raise?

    Dot Metrics Technologies raised a total of $650K.

  • Who are the investors of Dot Metrics Technologies?

    Investors of Dot Metrics Technologies include AquiSense Technologies and National Science Foundation.

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