Intellectual Property India Publishes Patent Application for 'Plastic Optical Folding Element, Imaging Lens Module And Electronic Device' Filed by Largan Precision Co. Ltd.

MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202514080986 A) filed by Largan Precision Co. Ltd., Taichung, Taiwan, on Aug. 26, 2025, for 'plastic optical folding element, imaging lens module and electronic device.'

Inventor(s) include Shih-Jung Hsu; and Chen-Wei Fan.

The application for the patent was published on March 13, under issue no. 11/2026.

According to the abstract released by the Intellectual Property India: "A plastic optical folding element (110) includes an incident surface (111), a reflection surface (112), an exiting surface (113) and a reflection film (114). A light enters the plastic optical folding element (110) through the incident surface (111). The reflection surface (112) is for changing a traveling direction of the light. The light leaves the plastic optical folding element (110) from the exiting surface (113). A reflection film (114) is disposed on the reflection surface (112), a bottom of the reflection film (114) is physically contacted with the reflection surface (112), a top of the reflection film (114) is disposed relative to the bottom. The reflection film (114) includes, a first multilayer film (1141), a first connecting layer (1142), a first Ag layer (1143) and a blocking layer (1144)."

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