24.1: Microstructured Light Management Films for Information Displays Generated by Holography

Boerner, Volkmar; Bläsi, Bénédikt; Gombert, Andreas; Niggemann, Michael; Kübler, Volker

doi:10.1889/1.1830909

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…The task of a good AG surface is to completely suppress specular reflection, keeping the haze value at a minimum at the same time. The latter is necessary in order to avoid a decrease of colour contrast and resolution of the display [3].…”

Section: Antiglare Surfacesmentioning

confidence: 99%

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P‐20: Antireflection Systems for Flat Panel Displays ‐ an overview

Boerner¹,

Kübler²,

Bläsi

et al. 2004

Symp Digest of Tech Papers

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The design of the front surface of a display, the interface to the viewer, requires careful selection of materials and coatings. The most prominent requirements for the front surface material are reflection or glare treatment, scratch resistance and of course a good optical appearance. Different types of optical films and coatings are available with different types of antireflection systems. This article gives an overview over available antireflection (AR) systems and compares their performance and their limitations. The comparison covers interference AR coatings made by thin film deposition either by evaporation or from liquid phase (sol‐gel), single and multilayer thin film systems, graded index profile systems (porous and motheye), antiglare (AG) and combined AG/AR systems.

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Section: Antiglare Surfacesmentioning

confidence: 99%

“…The use of such methods as origination process of AG gives freedom to fine-tune the shape of the surface microstructure and the optical scattering behaviour. [3] Haze Specular reflection Gloss Figure 4: Reflection from an Antiglare surface 5…”

Section: Antiglare Surfacesmentioning

confidence: 99%

P‐20: Antireflection Systems for Flat Panel Displays ‐ an overview

Boerner¹,

Kübler²,

Bläsi

et al. 2004

Symp Digest of Tech Papers

Self Cite

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“…Examples for optically active films in displays are e.g. brightness enhancement films (BEF) [12] as well as antiglare, antireflection and diffuser structures [13]. Another essential optical functionality required in displays is provided by polarizers.…”

Section: Introductionmentioning

confidence: 99%

Large area patterning using interference and nanoimprint lithography

et al. 2016

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Interference lithography (IL) is the best suited technology for the origination of large area master structures with high resolution. In prior works, we seamlessly pattern areas of up to 1.2 x 1.2 m2 with periodic features, i.e. a diffraction grating with a period in the micron range. For this process we use an argon ion laser emitting at 363.8 nm. Thus, feasible periods are in the range of 100 μm to 200 nm. Edge-defined techniques or also called (self-aligned) double patterning processes can be used to double the spatial frequency of such structures. This way, we aim to reduce achievable periods further down to 100 nm. In order to replicate master structures, we make use of nanoimprint lithography (NIL) processes. In this work, we present results using IL as mastering and NIL as replication technology in the fields of photovoltaics as well as display and lighting applications. In photovoltaics different concepts like the micron-scale patterning of the front side as well as the realization of rear side diffraction gratings are presented. The benefit for each is shown on final device level. In the context of display and lighting applications, we realized various structures ranging from designed, symmetric or asymmetric, diffusers, antireflective and/or antiglare structures, polarization optical elements (wire grid polarizers), light guidance and light outcoupling structures

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Polarized light diffraction on anisotropic substrates with rectangular and sine microrelief

Belyaev¹,

Tsoy²,

Kushnir³

et al. 2005

J Soc Info Display

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Abstract— Light diffraction on optically anisotropic substrates with surface microrelief has been calculated by using the OAGSM method. Varying the microrelief depth and material birefringence allows us to realize different polarization states of the light beam transmitted or reflected by the substrate. The approach can be used to optimize the LCD backlight and control light‐beam propagation for different puposes.

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24.1: Microstructured Light Management Films for Information Displays Generated by Holography

Cited by 4 publications

References 3 publications

P‐20: Antireflection Systems for Flat Panel Displays ‐ an overview

P‐20: Antireflection Systems for Flat Panel Displays ‐ an overview

Large area patterning using interference and nanoimprint lithography

Polarized light diffraction on anisotropic substrates with rectangular and sine microrelief

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