Light guide device

TW202632330APending Publication Date: 2026-08-01LG INNOTEK CO LTD
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
LG INNOTEK CO LTD
Filing Date
2025-09-12
Publication Date
2026-08-01

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Abstract

A light guide device according to an embodiment of the present invention is a light guide device including a plate portion in which light is totally reflected, a first diffraction portion which is disposed on the plate portion and on which the light is incident, a second diffraction portion which is disposed on the plate portion and through which the light is emitted from inside to outside of the plate portion, and at least one third diffraction portion disposed on the plate portion and disposed between the first diffraction portion and the second diffraction portion, wherein the first diffraction portion diffracts the light incident in the plate portion toward the second diffraction portion, and the third diffraction portion diffracts the light totally reflected inside the plate portion toward the second diffraction portion.
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