Canadian Electronics Magazine

Dontech IMO-bond

IMO-bond is a proprietary process of applying rigid optical filters (e.g., contrast enhancing, EMI/RFI shielding, or Therma Klear transparent heaters) to electronic displays via 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.

Dontech developed the IMO-bond process specifically for the enhancement of 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% and will cause “washout” as the display’s luminance is exceeded. Employing IMO-bond 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.

www.dontech.com

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