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  4. Transflective holographic film for head worn display
 
patent

Transflective holographic film for head worn display

Moser, Christophe
•
Brugger, Juergen  
•
Cadarso, Victor  
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2015

A display panel assembly comprises a transflective holographic screen, i.e., a transparent screen that reflects light from a projection system, comprising at least a volume hologram, a first protective element and a second protective element, each arranged in contact with the volume hologram such that the volume hologram is sandwiched between the first protective element and the second protective element. The display panel assembly further comprises a projection system focusing an image on the volume hologram comprising at least projection optics, mounting means arranged to fixedly mount the projection system relatively to the transflective holographic screen. The volume hologram comprises a plurality of diffractive patterns disposed in sequence across the volume hologram, each of the plurality of diffractive patterns being configured to diffuse the light rays from the projection system in a determined direction corresponding to the specific diffractive pattern and oriented towards a position of an intended eye of a user wearing the display panel assembly.

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Type
patent
EPO Family ID

50114450

Author(s)
Moser, Christophe
Brugger, Juergen  
Cadarso, Victor  
Grossenbacher, Jonas  
Guillaumée, Mickael
Tremblay, Eric
TTO classification

TTO:6.1266

EPFL units
AVP-R-TTO  
LMIS1  
IdentifierCountry codeKind codeDate issued

US2015362734

US

A1

2015-12-17

WO2014115095

WO

A3

2014-11-13

WO2014115095

WO

A2

2014-07-31

Available on Infoscience
May 24, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/137577
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