18481052. LIGHT ABSORPTION ANISOTROPIC LAYER, LAMINATE, DISPLAY DEVICE, INFRARED LIGHT IRRADIATION DEVICE, AND INFRARED LIGHT SENSING DEVICE simplified abstract (FUJIFILM Corporation)

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LIGHT ABSORPTION ANISOTROPIC LAYER, LAMINATE, DISPLAY DEVICE, INFRARED LIGHT IRRADIATION DEVICE, AND INFRARED LIGHT SENSING DEVICE

Organization Name

FUJIFILM Corporation

Inventor(s)

Naoya Shibata of Kanagawa (JP)

Takashi Katou of Kanagawa (JP)

Naoya Nishimura of Kanagawa (JP)

Naoki Koito of Kanagawa (JP)

LIGHT ABSORPTION ANISOTROPIC LAYER, LAMINATE, DISPLAY DEVICE, INFRARED LIGHT IRRADIATION DEVICE, AND INFRARED LIGHT SENSING DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18481052 titled 'LIGHT ABSORPTION ANISOTROPIC LAYER, LAMINATE, DISPLAY DEVICE, INFRARED LIGHT IRRADIATION DEVICE, AND INFRARED LIGHT SENSING DEVICE

Simplified Explanation

The patent application describes a light absorption anisotropic layer containing an organic dichroic coloring agent that, when combined with a λ/4 plate to form a circularly polarizing plate, can be applied to a display device to suppress coloration and increase the utilization efficiency of infrared light.

  • The light absorption anisotropic layer contains an organic dichroic coloring agent.
  • The layer satisfies specific expressions related to polarization degrees and absorbance at different wavelengths.

Potential Applications

This technology could be applied in display devices, infrared light irradiation devices, and infrared light sensing devices.

Problems Solved

This innovation helps suppress coloration on display screens and increases the utilization efficiency of infrared light.

Benefits

The technology improves the performance of display devices by reducing coloration and enhancing the utilization of infrared light.

Potential Commercial Applications

The technology could be used in consumer electronics, security systems, and medical devices for improved display quality and infrared light utilization.

Possible Prior Art

One possible prior art could be the use of circularly polarizing plates in display devices to enhance image quality and reduce glare.

Unanswered Questions

How does this technology compare to existing solutions for coloration suppression in display devices?

This technology offers a unique approach by combining a light absorption anisotropic layer with a circularly polarizing plate to achieve coloration suppression and high infrared light utilization. It would be interesting to see a comparative study with other methods currently available in the market.

What are the potential challenges in scaling up the production of devices incorporating this technology?

Scaling up production may involve challenges related to the manufacturing process, cost-effectiveness, and integration with existing display technologies. Further research and development may be needed to address these challenges and optimize the commercial viability of the technology.


Original Abstract Submitted

A light absorption anisotropic layer in which, when combined with a λ/4 plate to form a circularly polarizing plate, applying the circularly polarizing plate to a display device, and displaying a display screen in black, coloration is suppressed and utilization efficiency of infrared light is high, a laminate including the light absorption anisotropic layer, a display device, an infrared light irradiation device, and an infrared light sensing device. The light absorption anisotropic layer contains an organic dichroic coloring agent, and satisfies expressions (1) to (4). (1) P(450)>99%, (2) P(550)>99%, (3) P(650)>99%, and (4) A(750)<0.2, here, P(450) represents a polarization degree at a wavelength of 450 nm, P(550) represents a polarization degree at a wavelength of 550 nm, P(650) represents a polarization degree at a wavelength of 650 nm, and A(750) represents an average absorbance at a wavelength of 750 nm.