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Lens structure

Inactive Publication Date: 2019-05-16
RAYS OPTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides a lens structure with better optical characteristics. The adhesive used in the lens structure is located between the lens cone and the lens, as well as between the lens cone and the side surface of the lens. This results in a larger coverage area of the adhesive, improving adherence without affecting the lens's light transmission efficiency. Overall, the lens structure has better optical characteristics and structural reliability.

Problems solved by technology

Since the gluing surface between the lens cone and the lens is not large, the adherence between the lens cone and the lens is poor, and thus the structural stability of the lens structure is affected.
In addition, the light transmission efficiency of the lens is affected because a portion of the adhesive is located on the light incidence surface or the light emitting surface of the lens.

Method used

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Embodiment Construction

[0016]FIG. 1A is a perspective view of a lens structure in accordance with an embodiment of the invention. FIG. 1B is a cross-sectional view of the lens structure shown in FIG. 1A. FIG. 1C is a partial enlarged view of the lens structure shown in FIG. 1A.

[0017]With reference to FIGS. 1A, 1B, and 1C simultaneously, in the present embodiment, a lens structure 100a comprises a lens cone 110a, at least one lens 120 (only one is shown in the figures) and an UV adhesive 130a. The lens cone 110a comprises at least one contacting structure 112a (only one is shown in the figures), and the lens 120 is disposed within the lens cone 110a and abuts against the contacting structure 112a. The UV adhesive 130a is at least located on an interface B1 between the lens cone 110a and the lens 120 to fix the lens 120 within the lens cone 110a. Herein, the lens structure 100a is, for example, a lens of Internet Protocol Camera (IP Cam), but the invention is not limited thereto.

[0018]In detail, the contact...

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Abstract

A lens structure includes a lens cone, at least one lens and an acrylate adhesive. The lens cone includes at least one contacting structure. The lens is disposed within the lens cone and abuts against the contacting structure. The acrylate adhesive covers an interface between the lens cone and the lens, wherein a coverage area of the acrylate adhesive accounts for more than 70% of a surface area of a side surface of the lens.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]The invention relates to an optical device, and particularly relates to a lens structure.Description of Related Art[0002]In the conventional lens structure, an adhesive is located on a light incidence surface or a light emitting surface of the lens and between a partial peripheral surface of the lens and a partial side wall of the lens cone. Since the gluing surface between the lens cone and the lens is not large, the adherence between the lens cone and the lens is poor, and thus the structural stability of the lens structure is affected. In addition, the light transmission efficiency of the lens is affected because a portion of the adhesive is located on the light incidence surface or the light emitting surface of the lens.SUMMARY OF THE INVENTION[0003]The embodiments of the invention provide a lens structure with a better optical characteristic.[0004]The lens structure of the embodiments of the invention comprises a lens cone,...

Claims

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Application Information

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IPC IPC(8): G02B7/02
CPCG02B7/025G02B7/022
Inventor LEE, CHEN-CHENGHUANG, YU-HUACHANG, CHIH-WEIWANG, TZU-LUN
Owner RAYS OPTICS