Invention Grant
- Patent Title: Image projecting structure and image projecting method
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Application No.: US15937118Application Date: 2018-03-27
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Publication No.: US10732329B2Publication Date: 2020-08-04
- Inventor: Yuko Tachibana , Yukihiro Tao , Kenta Sekikawa
- Applicant: AGC Inc.
- Applicant Address: JP Chiyoda-ku
- Assignee: AGC Inc.
- Current Assignee: AGC Inc.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@66a67886
- Main IPC: G02B5/02
- IPC: G02B5/02 ; G03B21/14 ; G03B21/60 ; G02B27/01

Abstract:
To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 μm; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.
Public/Granted literature
- US20180239066A1 IMAGE PROJECTING STRUCTURE AND IMAGE PROJECTING METHOD Public/Granted day:2018-08-23
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