MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202514111538 A) filed by Shenzhen Yimingyue Technology Co. , Ltd. on November 14, 2025, for Transparent Invisible Multilayer Structure And Preparation Method Thereof.
Inventors include Cao, Shengfei; Cao, Zuming; and Yao, Linhao.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: A transparent invisible multilayer structure and a preparation method thereof are provided, which relate to the technical field of housings. The preparation method includes: coating a layer of a transparent liquid coating onto a side of a transparent carrier film; pressing protrusions of a transfer mold against the transparent liquid coating, curing the transparent liquid coating, and peeling off the transfer mold after the curing, with recesses matching the protrusions in shape formed on a resulting cured liquid coating, thereby obtaining a recessed see-through layer; printing, by a planographic printing process, a light shielding layer on a surface, excluding the recesses, of a side of the recessed see-through layer away from the transparent carrier film, such that first through holes interconnected with the recesses respectively are provided at positions, corresponding to the recesses, of the light shielding layer; and printing, by the planographic printing process, a decorative layer on a surface, excluding the first through holes, of a side of the light shielding layer away from the transparent carrier film, such that second through holes interconnected with the first through holes are provided at positions, corresponding to the first through holes, of the decorative layer, and the second through holes are interconnected with the recesses via the first through holes to form light-transmitting holes respectively, thereby obtaining a multilayer structure. A process of preparing the multilayer structure is simple, low-cost and efficient, and the multilayer structure achieves a good light transmitting effect and a good display effect.
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