20240015854. TRANSPARENT HEATER simplified abstract (DENSO CORPORATION)

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TRANSPARENT HEATER

Organization Name

DENSO CORPORATION

Inventor(s)

Katsuma Ishino of Kariya-city (JP)

Yoshihiro Kozawa of Kariya-city (JP)

Kenji Nakamura of Kariya-city (JP)

Hidehiko Hiramatsu of Kariya-city (JP)

TRANSPARENT HEATER - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240015854 titled 'TRANSPARENT HEATER

Simplified Explanation

The abstract describes a transparent heater that consists of a substrate and a conductive layer. The substrate is transparent to visible light and has one surface. The conductive layer is also transparent to visible light and contains carbon nanotubes. It includes a patterned portion that extends linearly in a first direction parallel to the surface and a non-patterned portion that connects to the patterned portion in a second direction parallel to the surface and orthogonal to the first direction. The non-patterned portion has a smaller thickness than the patterned portion in a third direction orthogonal to the surface and an orientation direction of the carbon nanotubes that is less than 45 degrees with respect to the second direction.

  • The patent application describes a transparent heater that can generate heat while allowing visible light to pass through.
  • The conductive layer of the heater contains carbon nanotubes, which contribute to its transparency.
  • The conductive layer is patterned with a linear portion and a non-patterned film-shaped portion.
  • The non-patterned portion connects to the patterned portion and has a smaller thickness.
  • The orientation direction of the carbon nanotubes in the non-patterned portion is less than 45 degrees with respect to the connecting direction.

Potential Applications:

  • Transparent heaters can be used in various applications where both heat generation and visibility are required, such as automotive defrosting systems, display devices, and smart windows.
  • The transparency of the heater allows for unobstructed visibility while providing heat.

Problems Solved:

  • Traditional heaters are often opaque and block visible light, limiting their use in applications where transparency is necessary.
  • The use of carbon nanotubes in the conductive layer enables the heater to be transparent while still generating heat.

Benefits:

  • The transparent heater allows for the passage of visible light, maintaining visibility in applications where heat is required.
  • The patterned and non-patterned portions of the conductive layer provide flexibility in design and application.
  • The use of carbon nanotubes enhances the transparency of the heater while maintaining its conductivity.


Original Abstract Submitted

a transparent heater includes: a substrate that is transparent to a visible light and has one surface; and a conductive layer that is disposed on the one surface, is transparent to the visible light, and contains an aggregate of carbon nanotubes. the conductive layer includes: a patterned portion that includes a linear portion linearly extending in a first direction parallel to the one surface; and a non-patterned portion that is a film-shaped portion connecting to the patterned portion in a second direction parallel to the one surface and orthogonal to the first direction, and has a thickness smaller than that of the patterned portion in a third direction orthogonal to the one surface. the non-patterned portion has an orientation direction of the carbon nanotubes defining less than 45 degrees with respect to the second direction, the orientation direction being measure by an orientation evaluation method.

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