US Patent Application 18323475. OPTICAL ELEMENT AND DISPLAY DEVICE simplified abstract

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OPTICAL ELEMENT AND DISPLAY DEVICE

Organization Name

Japan Display Inc.

Inventor(s)

Toshiharu Matsushima of Tokyo (JP)

Shunichi Kimura of Tokyo (JP)

OPTICAL ELEMENT AND DISPLAY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18323475 titled 'OPTICAL ELEMENT AND DISPLAY DEVICE

Simplified Explanation

The patent application describes an optical element that includes a first polarizing plate, a second polarizing plate, and a first viewing angle control panel placed between them.

  • The optical element consists of a first polarizing plate with a specific absorption axis and a second polarizing plate with a different absorption axis.
  • A first viewing angle control panel is positioned between the two polarizing plates.
  • The first viewing angle control panel comprises a first substrate, a second substrate, a liquid crystal layer, and multiple electrodes.
  • The liquid crystal layer is located between the first and second substrates and contains liquid crystal molecules with positive dielectric anisotropy.
  • The liquid crystal molecules have a hybrid orientation when no transverse electric field is generated.
  • The electrodes on the substrates generate a transverse electric field in a predetermined direction.
  • The optical element allows control over the viewing angle by manipulating the transverse electric field and the orientation of the liquid crystal molecules.


Original Abstract Submitted

According to an aspect, an optical element includes: a first polarizing plate having a first absorption axis; a second polarizing plate facing the first polarizing plate and having a second absorption axis; and a first viewing angle control panel placed between the first polarizing plate and the second polarizing plate. The first viewing angle control panel includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of electrodes provided on at least one of the first substrate and the second substrate to generate a transverse electric field in a predetermined direction. The liquid crystal layer includes liquid crystal molecules with a positive dielectric anisotropy. The liquid crystal molecules have hybrid orientation in a state in which the transverse electric field is not generated.

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