18517560. LIGHTING DEVICE simplified abstract (Japan Display Inc.)

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LIGHTING DEVICE

Organization Name

Japan Display Inc.

Inventor(s)

Kojiro Ikeda of Tokyo (JP)

Takeo Koito of Tokyo (JP)

Tae Kurokawa of Tokyo (JP)

Keiji Takizawa of Tokyo (JP)

LIGHTING DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18517560 titled 'LIGHTING DEVICE

Simplified Explanation

The lighting device described in the patent application includes a light emitting module and an optical element with liquid crystal cells. The light emitting module consists of a light source, a light guide plate, and a prism sheet.

  • The lighting device includes a light emitting module and an optical element with liquid crystal cells.
  • The light emitting module comprises a light source, a light guide plate, and a prism sheet.
  • The liquid crystal cells have transparent electrodes in different directions.
  • The first surface of the light guide plate has grooves in a specific direction.

Potential Applications

The technology described in this patent application could be used in:

  • LED lighting systems
  • Display panels
  • Automotive lighting

Problems Solved

This technology helps in:

  • Controlling light emission direction
  • Enhancing brightness and efficiency
  • Improving color rendering

Benefits

The benefits of this technology include:

  • Energy efficiency
  • Customizable lighting effects
  • Enhanced visual experience

Potential Commercial Applications

The potential commercial applications of this technology could be in:

  • Lighting fixtures for homes and offices
  • Automotive lighting systems
  • Display screens for electronic devices

Possible Prior Art

One possible prior art for this technology could be:

  • Liquid crystal display (LCD) technology used in electronic devices.

Unanswered Questions

How does the liquid crystal cell technology impact the overall energy consumption of the lighting device?

The patent application does not provide specific details on the energy efficiency of the device.

Are there any limitations to the customization of lighting effects using this technology?

The patent application does not address any potential limitations in customizing lighting effects.


Original Abstract Submitted

A lighting device includes a light emitting module and an optical element including first and second liquid crystal cells. Each of the first and second liquid crystal cells includes first and second transparent electrodes extending in a first direction and third and fourth transparent electrodes extending in a second direction. The light emitting module includes a light source, a light guide plate including an end surface into which light emitted from the light source is incident and a first surface from which the light incident into the end surface is emitted, and a prism sheet disposed opposite to the first surface. The second substrate of the first liquid crystal cell and the first substrate of the second liquid crystal cell are adjacent to each other. The first surface includes a plurality of first grooves extending in a third direction intersecting the first direction and the second direction.