Light guiding apparatus, lighting apparatus, space...

Details Light guiding apparatus, lighting apparatus, space... Light guiding apparatus, lighting apparatus, space...

2007-01-30

2007-01-30

O'Shea, Sandra (Department: 2875)

Illumination

Light source and modifier

Plural serial lens elements or components

C362S282000, C362S319000, C362S616000, C385S016000

Reexamination Certificate

active

11178911

ABSTRACT:
A light guiding apparatus has a first transparent member, a second transparent member, and a transparent member holding portion. The first transparent member has a light entry surface, a first side surface at which guidance of light by way of complete reflection of the emitted light is performed when the second transparent member is separated, and the emitted light is transmitted into the second transparent member when the second transparent member is in contact, and a first light emitting end surface. The second transparent member has a second side surface, and a third side surface at which when the two side surfaces are in contact with each other, guidance of light toward at least the first light emitting end surface by way of complete reflection of the emitted light is performed.

REFERENCES:
patent: 6863419 (2005-03-01), Kodama et al.
patent: 08-234109 (1996-09-01), None
patent: 3048353 (2000-03-01), None
Fixel Ltd., “Shutter Arrays for Projection Displays”, Israel, Jun. 2002, pp. 1-3.

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