Robert bosch gmbh (20240134103). HOLOGRAPHIC OPTICAL ELEMENT AND PRODUCTION METHOD simplified abstract

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HOLOGRAPHIC OPTICAL ELEMENT AND PRODUCTION METHOD

Organization Name

robert bosch gmbh

Inventor(s)

Reinhold Fiess of Durbach (DE)

Tobias Wilm of Heimsheim (DE)

HOLOGRAPHIC OPTICAL ELEMENT AND PRODUCTION METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240134103 titled 'HOLOGRAPHIC OPTICAL ELEMENT AND PRODUCTION METHOD

Simplified Explanation

The holographic optical element (HOE) described in the patent application includes a hologram and an electroactive polymer (EAP), specifically a dielectric elastomer actuator (DEA). The EAP consists of at least one elastomer layer, such as an elastomer film, placed between two electrodes, with the hologram applied to one of the electrodes. The hologram, or a holographic function provided by it, can be adjusted by deforming the EAP. A method for producing this holographic optical element is also outlined.

  • Holographic optical element (HOE) with hologram and electroactive polymer (EAP)
  • EAP is a dielectric elastomer actuator (DEA) with elastomer layer between electrodes
  • Hologram applied to EAP electrode for controllable adaptation of holographic function
  • Method for producing the HOE described in the patent application

Potential Applications

The technology could be used in:

  • Holographic displays
  • Adaptive optics
  • Optical data storage

Problems Solved

  • Limited adaptability of holographic elements
  • Lack of real-time control over holographic functions

Benefits

  • Real-time adjustment of holographic properties
  • Enhanced flexibility and versatility in optical applications

Potential Commercial Applications

Optimizing holographic displays for:

  • Entertainment industry
  • Medical imaging
  • Automotive heads-up displays

Possible Prior Art

Prior art may include:

  • Research on holographic optical elements
  • Studies on electroactive polymers in optics

Unanswered Questions

How does the controllable deformation of the electroactive polymer affect the diffraction properties of the hologram?

The patent application mentions that the holographic function can be adapted by deforming the electroactive polymer, but it does not provide specific details on how this deformation impacts the diffraction properties of the hologram.

What are the specific steps involved in producing the holographic optical element using the described method?

While the patent application outlines a method for producing the holographic optical element, it does not delve into the specific procedures or techniques involved in the production process.


Original Abstract Submitted

a holographic optical element (hoe). the hoe includes a hologram, and an electroactive polymer (eap), in particular a dielectric elastomer actuator (dea). the electroactive polymer includes at least one elastomer layer, in particular an elastomer film, arranged between two electrodes, and the hologram is applied to an electrode of the electroactive polymer. the hologram or a holographic function which can be provided by means of the hologram, and in particular diffraction properties of the hologram, can be adapted by means of a controllable deformation of the electroactive polymer. a method for producing such a holographic optical element is also described.