Mehrschichtiger Laminierter Film und Projektionsbildanzeigeelement

Details

Veröffentlichungs-Nr.

EP4776036

Anmeldetag

3. September 2024

Veröffentlichung

13. März 2025

Rechtsraum

EP

Abstract

The object of the present invention is to provide a multilayer laminated film having both a near-infrared ray reflecting function and a function of reflecting visible P-wave light in an oblique direction while being transparent to transmit visible light in a front direction, and the main object thereof is to provide a multilayer laminated film including ordered arrays of three or more types of resin layers, wherein, when a dielectric constant of each of the resin layers at a loss energy of 2.5 eV measured by EELS measurement is a dielectric constant X_i (i = 1, 2, 3 ...), and the resin layers are defined as a layer A, a layer B, and a layer C in a descending order having the larger dielectric constant X_i, all of the following (1) to (3) are satisfied: (1) the multilayer laminated film has a repeating unit structure in which repeating units are laminated, the repeating units each having layers arrayed in an order of layer A/layer B/layer C/layer B; (2) units having a total layer thickness in each repeating unit of 250 to 630 nm are 80% to 100% of all the repeating units; and (3) the layer A is a crystalline thermoplastic resin layer and the layer B and the layer C are amorphous thermoplastic resin layers.

Anmelder

Firma

Toray Industries, Inc.

Land

🇯🇵 Japan