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VOLUME -24 NUMBER 8
Publication Date: 08/1/2009
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Electronic Mfg. Services
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August 2009 Issue
Electronic Mfg. Products
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Dontech Intros Optical Bonding for LCDs
Optical bonding system for LCDs.
Doylestown, PA — Dontech, Inc. has developed IMO-bond
, a proprietary process of applying rigid optical filters (e.g., contrast enhancing, EMI/RFI shielding, or Therma Klear
transparent heaters) to electronic displays using a refractive index-matched optical (IMO) bonding process. IMO-bond includes a family of durable, index-matched adhesives that optically couple a cover glass or touch screens to the display to eliminate reflection losses.
Most commercial off-the-shelf (COTS) displays are not designed for direct viewing in bright, outdoor conditions. The newly developed process specifically enhances such displays operating in high ambient light conditions when the amount of light reflected by a display is close to or exceeds the amount of light emitted by the display. At this point, the contrast loss can be close to 100 percent and will cause "washout" as the display's luminance is exceeded.
By using this optical coupling of a contrast-enhancing cover glass to the front polarizer of the display virtually eliminates reflections from the rear surface of the optical filter and the front surface of the display system.
The new process enhances sunlight readability more than 90 percent; improves display thermal management in high- and low-temperature environments; provides greater versatility, allowing for over-frame, under-frame, in-frame and rear-surface bonding applications; better impact resistance as well as increased shock and vibration performance; front surface fluid ingress protection; improved display optics used with EMI/RFI shielding filters, touch screens and vandal shields.
The new process is suitable for enhancing electronic displays that are commonly used in outdoor and high ambient light applications such as GPS and instrumentation systems used in marine, avionic, military, medical, and industrial environments.
Contact: Dontech, Inc., 700 Airport Blvd., Doylestown, PA 18902
215-348-5010 fax: 215-348-9959 E-mail: email@example.com Web:
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