Title:
透明スクリーン、映像投影合わせ板、及び映像表示システム
Document Type and Number:
Japanese Patent JP7167941
Kind Code:
B2
Abstract:
There is provided a transparent screen which is capable of separating a direction where a hot spot is observed and a direction where a bright video is allowed to be observed, and establishing a direction where a video is allowed to be wholly brightly observed.A transparent screen includes a first transparent layer, a reflective layer reflecting projected video light, a second transparent layer disposed opposite to the first transparent layer with respect to the reflective layer so as to make a background visible therethrough; wherein the reflective layer has a plurality of slant reflective surfaces, each of the slant reflective surfaces being slant to a reference surface that is a surface of the first transparent layer opposite to the reflective layer; wherein each of the slant reflective surfaces is provided with a concavo-convex and is formed in a stripe shape when seen from a normal direction of the reference surface; and wherein the slant reflective surfaces are disposed so as to have angles to the reference surface, the angle changing with random variations in of range with respect to a certain central angle.
Inventors:
Shigenori Yamada
垰 幸宏
Tsuneo Ichimatsu
垰 幸宏
Tsuneo Ichimatsu
Application Number:
JP2019560867A
Publication Date:
November 09, 2022
Filing Date:
November 13, 2018
Export Citation:
Assignee:
AGC Inc.
International Classes:
G03B21/62; G02B5/02; G03B21/00
Domestic Patent References:
| JP2017134195A | ||||
| JP2016009271A | ||||
| JP2014013369A | ||||
| JP2014509963A |
Foreign References:
| WO2015186668A1 | ||||
| CN104298063A | ||||
| US20160011342 |
Attorney, Agent or Firm:
Iwaki Fuyuki
Makoto Shiokawa
Makoto Shiokawa