Viewing-angle enhancement in holographic reflective displays by nanoscale holographic patterning

Ermold, Michael L.; Fontecchio, Adam K.

doi:10.1889/1.2080518

Cited by 6 publications

(2 citation statements)

References 8 publications

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“…34,35 Holographic polymer-dispersed LCDs can also be regarded as diffractive. 36 The newest developments offer a way to use diffraction gratings to directly couple out the light from the LGP through the display matrix to the user.…”

Section: State Of the Art In Mobile-display Backlightsmentioning

confidence: 99%

Review Paper: Diffractive backlight technologies for mobile applications

Kimmel

2012

J Soc Info Display

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Liquid-crystal-display backlight units have developed in their conventional configuration into very efficient and uniform components that allow the display to present a high-quality image to the user. Developing the backlight unit itself further faces a challenge of diminishing returns to the investment in innovation. A system-level redesign is required for the entire display module, and diffractive alternatives to the backlight design can allow a more-energy-efficient design for the display. This review concentrates on small-to-medium displays because diffractive backlight studies have also centered in this class of displays. The state of the art of backlight design is summarized and the motivation for energy-efficient system design is outlined. The theoretical basis of diffractive backlights is given, and key research studies in the area of diffractive backlights are reviewed. Finally, a discussion on the performance and future outlook of diffractive backlights completes the paper.

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Section: State Of the Art In Mobile-display Backlightsmentioning

confidence: 99%

Review Paper: Diffractive backlight technologies for mobile applications

Kimmel

2012

J Soc Info Display

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“…This is not favorable for displays that demand people see the images from pre-defined angles. The viewing angle can be improved by introducing noise into the hologram during formation with a diffusing element 59,98.…”

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confidence: 99%

Tunable polymer/liquid crystal composite devices

Liu¹

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Electrically switchable holographic parabolic mirrors

Ermold

Fontecchio

2006

Journal of Applied Physics

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This paper reports on electrically controlled holographic optical elements (HOEs) in the form of parabolic mirrors that have the ability to collect light. These mirrors were written in a material known as holographic polymer dispersed liquid crystal, where the liquid crystal embedded within the device allows for electronic control of the optical properties of the mirrors. Essentially, we have replicated the function of a focusing mirror in a lightweight, thin film, electro-optic device. In this work, we have experimentally characterized the optical and electro-optical properties of the HOEs and provided a qualitative explanation of the operation of these structures. This and further investigations of the properties of electro-optic HOEs will open avenues in bulk HOEs and integrated photonic device applications.

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Viewing-angle enhancement in holographic reflective displays by nanoscale holographic patterning

Cited by 6 publications

References 8 publications

Review Paper: Diffractive backlight technologies for mobile applications

Review Paper: Diffractive backlight technologies for mobile applications

Tunable polymer/liquid crystal composite devices

Electrically switchable holographic parabolic mirrors

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