STEREOSCOPIC IMAGE DISPLAY UNIT AND LIGHTING FIXTURE FOR VEHICLE

• Main Authors: YAMAMOTO TATSU, SHIOZAWA KAZUNORI, KAMESHIMA JUNYA, KITAMURA TOMOKAZU
• Format: Patent
• Language: English; Japanese
• Published: 10.09.2020
• Subjects: ADVERTISING; BLASTING; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; HEATING; LABELS OR NAME-PLATES; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; SEALS; SIGNS; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

To prevent a stereoscopic image to be displayed from becoming obscure.SOLUTION: A stereoscopic image display unit (10) comprises: a light source (12); and a light guide plate (11) that forms a stereoscopic image (I) in space by using light emitted from the light source (12) and incident from an incident surface (11c). The light guide plate (11) includes auxiliary light guide units (11B, 11C, 11D) that guide light incident from the incident surface (11c) and the optical path of which is not changed by an optical path changing unit, to the direction of a space behind a plane including an emission surface (11a).SELECTED DRAWING: Figure 1 【課題】表示される立体画像が不明瞭になってしまうことを抑制する。【解決手段】立体画像表示装置（１０）は、光源（１２）と、光源（１２）から出射され入射面（１１ｃ）から入射された光を用いて空間に立体画像（Ｉ）を結像させる導光板（１１）とを備える。導光板（１１）は、入射面（１１ｃ）から入射した光のうち光路変更部によって光路を変更されなかった光を、出射面（１１ａ）を含む平面よりも背面側の空間の方向に導光する補助導光部（１１Ｂ、１１Ｃ、１１Ｄ）を備える。【選択図】図１