Light-guiding type white light synchronous illuminating device for multi-projector true three-dimensional displayer

Abstract

The invention provides a light-guiding type white light synchronous illuminating device for a multi-projector true three-dimensional displayer. The device comprises a rotating group and at least two fixing groups, wherein the rotating group is formed by a vertical light-guiding bar, two right-angle prisms and two horizontal light-guiding bars, triangular surfaces of the two right-angle prisms are coincided, inclined planes of the two right-angle prisms are opposite to each other, the two right-angle prisms are arranged just above the vertical light-guiding bar, and the incidence ends of the two horizontal light-guiding bars are respectively arranged just towards the emergent ends of the two right-angle prisms; and each fixing group is formed by an expanded prism group, a horizontal short light-guiding bar, a bent-over prism, an oblique light-guiding bar and an optical lens, the incidence end of the horizontal short light-guiding bar is arranged just towards the emergent end of the expanded prism group, the incidence end of the bent-over prism is arranged just towards the emergent end of the horizontal short light-guiding bar in parallel, the incidence end of the oblique light-guiding bar is arranged just towards the emergent end of the bent-over prism in parallel, and an optical axis of the optical lens coincides with an emergent optical axis of the oblique light-guiding bar. According to the device, the structure of a synchronous rotating illuminating circuit can be compact, the weight can be light, the light consumption can be low, and the rotational inertia of the synchronous rotating illuminating circuit can be reduced.

Description

technical field [0001] The invention relates to a synchronous lighting device, in particular to a light-guide type white light synchronous lighting device used for a multi-projector true three-dimensional display. Background technique [0002] True 3D display technology has become a technology with advantages in both technical realization and display effect because it can meet a series of requirements such as "direct visualization, full-angle visualization and group viewing". The existing true three-dimensional display schemes are mainly divided into two types: volume static type and volume sweep type. [0003] The true three-dimensional display of the volume static type is to excite or address the display medium in the static volume in an appropriate way, and refresh at a speed higher than the flicker fusion frequency of the human eye, so as to generate voxels at each specified spatial position, In this way, a volume image actually loaded in a three-dimensional real space ...

AI Technical Summary

Problems solved by technology

The existing synchronous lighting device in the true three-dimensional display based on multiple projectors adopts a two-stage Kohler lighting optical path, which has low light energy utilization rate, many optical components, bulky and loose structure, complicated adjustment, and can only provide white light and natural light lighting. The lighting system high optical loss

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