Title:
CONTACT LENS
Document Type and Number:
WIPO Patent Application WO/2023/241078
Kind Code:
A9
Abstract:
A contact lens (100), comprising a lens body (1), an electronic element (2) and a circuit structure (3). The lens body (1) comprises an optical portion (11) and an annular wearing portion (12) surrounding the optical portion (11), wherein the annular wearing portion (12) has a C-shaped layout region (121) and a lower eyelid region (122) located between two ends of the layout area (121), a front surface (1a) of the lens body (1) has a visible surface (11a) corresponding to the optical portion (11) and a freeform surface (12a) corresponding to the annular wearing portion (12), the visible surface (11a) has a first curvature different from a second curvature of the freeform surface (12a), such that the thickness of the annular wearing portion (12) gradually increases toward the lower eyelid region (122), the electronic element (2) is embedded in the lower eyelid region (122), the circuit structure (3) is embedded in the annular wearing portion (12), and accordingly, as for the contact lens (100), by means of the freeform surface (12a), the thickness of the layout region (121) does not need to completely accommodate the lower eyelid region (122), such that the layout region (121) is thinned.
Inventors:
HUANG YI-FANG (CN)
LIN SHIH-SIANG (CN)
LIN SHIH-SIANG (CN)
Application Number:
PCT/CN2023/076727
Publication Date:
February 15, 2024
Filing Date:
February 17, 2023
Export Citation:
Assignee:
PEGAVISION CORP (CN)
International Classes:
G02C7/04; H05K1/18; H05K3/30
Attorney, Agent or Firm:
LUNG TIN INTELLECTUAL PROPERTY AGENT LTD. (CN)
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