By Nanocomp Ltd
Nanocomp micro-optical films can serve the purpose of making miniLED BLU bright, uniform and thin. For instance, a combination of microlens arrays (MLA) with freeform micro-optical structures works efficiently in distributing, collimating and recycling the light in a desired manner to implement a highly efficient miniLED BLU.
The most important property of the B/W EPD is the contrast ratio (CR). From a front lighting (F/L) point of view, the most important aspect is the ability of the system to maintain the CR when the F/L is switched on. This has a lot to do with the light extracting microstructures, their shape and replication accuracy. Any upward scattering light introduced by the frontlight operation will cause haze and decrease the CR. Nanocomp front light, with optimally engineered and perfectly replicated microstructures, offers superior CR levels for the frontlit display. - Most consumer products built on color EPDs are implemented with color filters to allow for the most versatile content and various media to be accessed with these devices. Since the filters are of a certain physical distance above the actual ink pixels, there can be leakage of incident light from one pixel to a neighboring one, which causes colors to mix and thus reduce in purity. This means a narrowed color gamut. To compensate for that, the incident light used to illuminate the display should be steep- and narrow angled. This can be implemented with Nanocomp frontlight, which indeed can enhance the color gamut of the display, if the F/L is kept operational whenever the display is in a state of dynamic use. - In addition to CR and color gamut, one more important aspect of Nanocomp technical excellence lies in the ability to control the color consistency (stable white balance) across the display area.
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Nanocomp has experience in various collimating lenses for over 25 years. Our main advantages come from manufacturing technology which allows thin form factor together with accurate replication of microstructures.
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Our technology have been also applied for creating microfluidics features, such as microchannels and microwells on plastic. Both tooling and manufacturing can be done with in-house capabilities.
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Microstructured films manufactured by UV roll-to-roll imprinting In addition to microlens arrays (MLA), other complex microstructures, such as fresnel lenses, microfluidics features and waveguide structures, are also manufactured with Nanocomp's modern manufacturing technologies. However, any similar microstructures can be customized according to your specifications. Key benefits of Nanocomp Microstructured films: - Ultra thin and flexible film components (down to 10µm total thickness) - Excellent optical performance by precise structures - Customized arrangements and parameters
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