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In the present invention, light from a light-emitting element (30), the light being incident from an incident part (22e) formed on the top surface (22c) of a plate-shaped light guide body (22B), is reflected toward the front end surface (22a) of the plate-shaped light guide body (22B) by a first ref...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ICHINOHE FUMITAKA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	In the present invention, light from a light-emitting element (30), the light being incident from an incident part (22e) formed on the top surface (22c) of a plate-shaped light guide body (22B), is reflected toward the front end surface (22a) of the plate-shaped light guide body (22B) by a first reflective part (22f) formed on the bottom surface (22d) of the plate-shaped light guide body (22B). Inso doing, the incident part (22e) is positioned on a stepped surface (22c1) formed to project from a typical portion (22c0) of the top surface (22c). The first reflective part (22f) is formed so thatthe top end edge (22f1) thereof is positioned closer to the stepped surface (22c1) than the typical portion (22c0) of the top surface (22c). The reflective region of the first reflective part (22f) is thereby widened. 构成为使从在板状导光体(22B)的上表面(22c)形成的入射部(22e)射入的来自发光元件(30)的光，通过在其下表面(22d)形成的第1反射部(22f)而朝向其前端面(22a)反射。此时，使入射部(22e)位于从上表面(22c)的般部分(22c0)凸出而形成的向上台阶面(22c1)。而且，使第1反射部(22f)形成为，其上端缘(22f1)与上表面(22c)的般部分(22c0)相比位于向上台阶面(22c1)侧。