17886363. Electronic Devices with Diffractive Coatings simplified abstract (Apple Inc.)

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Electronic Devices with Diffractive Coatings

Organization Name

Apple Inc.

Inventor(s)

James R. Wilson of Saratoga CA (US)

Electronic Devices with Diffractive Coatings - A simplified explanation of the abstract

This abstract first appeared for US patent application 17886363 titled 'Electronic Devices with Diffractive Coatings

Simplified Explanation

An electronic device is described that includes a housing and a display. The housing has a rear wall, a front wall that acts as a display cover, and sidewalls.

  • The housing is coated with a special coating that includes a diffractive layer with a textured surface.
  • The textured surface of the diffractive layer diffracts incoming light, creating a spectral rainbow on the outer surface of the housing.
  • The coating also includes a thin-film interference layer that enhances the intensity of the spectral rainbow.
  • The thin-film interference layer is positioned between an ink layer and the diffractive layer.
  • The diffractive layer can either reflect ambient light or transmit light from a light source within the electronic device.

Potential applications of this technology:

  • Enhancing the visual appeal of electronic devices by creating a spectral rainbow effect on their surfaces.
  • Adding a unique and eye-catching design element to electronic devices.
  • Differentiating electronic devices in the market by offering a visually striking feature.

Problems solved by this technology:

  • Traditional electronic devices often have plain and uninteresting designs.
  • This technology solves the problem of lackluster aesthetics by introducing a visually appealing spectral rainbow effect.

Benefits of this technology:

  • Provides a visually striking and unique design element to electronic devices.
  • Enhances the overall aesthetic appeal of electronic devices.
  • Differentiates electronic devices in the market, potentially attracting more customers.


Original Abstract Submitted

An electronic device may include a housing and a display mounted to the housing. The housing may have a rear wall, a front wall that forms a display cover layer, and sidewalls. A coating may be formed on a portion of the housing. The coating may include a diffractive layer having a textured surface that diffracts incoming light to form at least part of a spectral rainbow on an outer surface of the housing. The textured surface may have pits and bumps in any suitable shape and pattern. The coating may include a thin-film interference layer that increases an intensity of the spectral rainbow. The thin-film interference layer may be interposed between an ink layer and the diffractive layer. The diffractive layer may be a reflective diffractive layer that reflects ambient light or a transmissive diffractive layer that transmits light from a light source in the electronic device.

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