Light-transmissive transparent screen, image displaying system, and image displaying method
一种透明屏幕、透射型的技术,应用在显示装置、漫射元件、光学等方向,能够解决透射型透明屏幕101白色浑浊、观察者X难以透视、难以识别影像等问题,达到识别性优良、透视性优良的效果
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[0140] In addition, the first form of the screen of the present invention is a screen having a first surface, a second surface on the opposite side, and a light-scattering layer comprising a transparent resin and a light-scattering material. The light-scattering layer also contains a light-absorbing material, fog The intensity is 3-30%, the total light transmittance is 15-95%, and the diffuse reflectance is 0.1-2.4%. It is not limited to figure 1 screen 1. Below, the screen with figure 1 The same structural parts of the screen 1 are marked with the same symbols, and descriptions are omitted.
[0141] The first method of transmissive transparent screen is as image 3 As shown, a screen 1a in which a light scattering layer 34 is formed on the surface of the second transparent substrate 20 may be used. When the transparent resin 32 is a cured product of a curable resin, an uncured curable resin composition layer can be formed on one side of the second transparent substrate 2...
Embodiment
[0220] Hereinafter, although an Example demonstrates this invention in more detail, this invention is not limited to these Examples.
[0221] Examples 2-8, 12, and 16 are examples, and examples 1, 9, 10, 11, 13-15, 17, and 18 are comparative examples.
example 1
[0223] In the ultraviolet curable acrylic resin monomer (Hitachi Chemical Co., Ltd. (Hitachi Chemical) Co., Ltd. (Hitachi Chemical Co., Ltd.), Hetaroid (registered trademark) 7981, SP value: 24.0 (J / cm 3 ) 1 / 2 , refractive index 1.52) 15 g was added to 15 g of light-scattering particles (titanium oxide particles, average primary particle size: 0.2 μm, refractive index 2.6), and kneaded for 10 minutes while degassing to obtain a light-scattering material. Thereafter, 1 g of the light-scattering material was added to 26 g of the same ultraviolet-curable acrylic resin monomer as used in the preparation of the light-scattering material to prepare the paste of Example 1.
[0224]On the surface of a transparent polyethylene terephthalate (hereinafter referred to as PET) film (manufactured by Toyobo Co., Ltd. (Toyobo Co., Ltd., Cosmosyrin (registered trademark) A4300, thickness: 75 μm), the film of Example 1 was coated. A paste on which another PET film was laminated.
[0225] The ...
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