The invention relates to a light guide device, display equipment and a vehicle. The light guide device comprises a first coupling-out part which comprises a plurality of first coupling-out structures, the first coupling-out structures are configured to couple incident light rays, and the coupling-out rates of at least two first coupling-out structures in the first coupling-out part are the same; the second coupling-out part and the first coupling-out part are arranged in a stacked mode, the second coupling-out part comprises a plurality of second coupling-out structures, and the coupling-out rates of at least two second coupling-out structures in the second coupling-out part are the same; the first part of light is coupled into the first coupling-out part, the second part of light is coupled into the second coupling-out part, and the propagation direction of the first part of light is opposite to the propagation direction of the second part of light. The light rays projected by the light guide device are good in uniformity, and the manufacturing cost is low.
本公开涉及一种导光装置、显示设备及交通工具。导光装置包括:第一耦出部,包括多个第一耦出结构,第一耦出结构被配置为耦出入射的光线,第一耦出部中的至少两个第一耦出结构的耦出率相同;第二耦出部,第二耦出部与第一耦出部层叠设置,第二耦出部包括多个第二耦出结构,第二耦出部中的至少两个第二耦出结构的耦出率相同;第一部分光线耦入第一耦出部,第二部分光线耦入第二耦出部,第一部分光线的传播方向和第二部分光线的传播方向相反。本公开的导光装置投射的光线均匀性好,制造成本低。
Light guide device, display equipment and vehicle
导光装置、显示设备及交通工具
2024-03-08
Patent
Elektronische Ressource
Chinesisch
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