Ultrathin lens hardened by spin coating

By using a liner lens with opposite curvature radius to bond with double-sided tape on the surface of the resin lens, the deformation problem caused by uneven temperature during the hardening process of the resin lens is solved, and the stability and uniform heating of the lens are achieved in high-temperature environments.

CN223857523UActive Publication Date: 2026-01-30SHANGHAI CONANT OPTICS CO LTD +1
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Patent Information

Application Number
CN202520657169.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-01-30
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Resin lenses are prone to deformation during the hardening and coating process due to uneven temperature and high-temperature environments, especially thin lenses, which affects product quality.

Method used

The liner lens is bonded to the lens body with double-sided tape with opposite radii of curvature. It is then hardened by being adsorbed onto the suction cup of a hardening machine. After the double-sided tape is dissolved with an organic solvent, it is separated to ensure that the curvature of the lens surface is stable and the heating is uniform.

Benefits of technology

It effectively prevents lens deformation during the hardening process, ensures stable lens surface curvature, reduces the probability of deformation, and maintains the stability of the tape in high-temperature environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spin-coating hardened ultrathin lens, which comprises a lens body, the lens body comprises a lens front surface and a lens rear surface, the lens body is provided with a lining lens for preventing deformation, and the lining lens and the lens are provided with a double-sided adhesive tape for fixing for bonding; according to the utility model, the structure is simple, the design is reasonable, the front surface of the lens and the concave surface of the lining lens are bonded through the double-sided tape by selecting the lining lens of which the curvature radius value is the same as the curvature radius value of the front surface of the lens and the curvature radius direction is opposite to the curvature radius direction of the front surface of the lens; the lining lens is arranged on the surface of the lens body, the lining lens is adsorbed on the suction cup of the hardening machine to be hardened, it is guaranteed that the lens luminosity and the surface curvature radius of the lens body are stable, deformation is avoided in the machining process, in the spin-coating hardening process, heating is more uniform at the high temperature, and the probability of deformation is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model resin lens technical field, concretely is a kind of spin coating hard ultrathin lens. BACKGROUND

[0002] Resin lens is obvious advantage, its quality is light, wear more comfortable;Secondly resin lens impact resistance is strong, not easy to break more safe;At the same time, resin lens also has good light transmittance;In addition, resin lens is easy to rework and can meet special needs, finally, in addition to the innovation and promotion of coating process, resin lens also has good wear resistance, therefore become the mainstream of market lens.

[0003] The deficiencies of prior art are:

[0004] At present, resin lens needs to be hardened and coated after processing to improve the wear resistance and visible light transmittance of the lens and some other additional functions, but the lens will be in a high temperature environment during the hard coating process, and since the thermal stability of resin lens is high or low, especially for some thin lenses, deformation will occur during processing, which will have a significant impact on product quality.

[0005] And during the process of spin coating hardening, high temperature is generated during the irradiation of UV lamp, and due to the limitation of processing technology, the heated area is uneven, thereby increasing the deformation degree of thin lens. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of spin coating hard ultrathin lens to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of spin coating hard ultrathin lens, including lens body, the lens body includes lens front surface and lens rear surface, the lens body is provided with the gasket lens for preventing deformation, the gasket lens and the lens body are provided with double-sided tape for fixing adhesion.

[0008] Preferably, one side of the gasket lens is concave, and the other side of the gasket lens is convex or flat.

[0009] Preferably, the curvature radius value of the concave surface of the gasket lens is the same as that of the lens front surface, and the curvature radius direction of the concave surface of the gasket lens is opposite to that of the lens front surface.

[0010] Preferably, the concave surface of the gasket lens is adhered to the lens front surface by the double-sided tape.

[0011] Preferably, the pad lens thickness is set to 1.0mm~4.0mm.

[0012] Preferably, the double-sided tape shape is set according to the lens body.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The super-thin lens of spin coating and hardening, by selecting the pad lens with the same curvature radius value as the curvature radius value of the front surface of the lens and the curvature radius direction opposite to the curvature radius direction of the front surface of the lens, the front surface of the lens and the concave surface of the pad lens are adhered by the double-sided tape, and the pad lens is adsorbed on the chuck of the hardening machine to be hardened, so that the lens brightness and the surface curvature radius of the lens body are stable, deformation is not caused in the processing process, and in the process of spin coating and hardening, heating is more uniform in the face of higher temperature, and the probability of deformation is reduced.

[0015] 2、The super-thin lens of spin coating and hardening, by using the double-sided tape pad lens concave surface and the front surface of the lens, the double-sided tape does not deform and fall off in the high temperature environment, and can be adjusted to any shape according to the lens body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] In the drawing: 110, lens body; 120, pad lens; 130, double-sided tape. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0020] In the description of the patent, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mount", "connect", "set" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the patent can be understood according to the specific circumstances.

[0021] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly specified.

[0022] Embodiments

[0023] Please refer to Figure 1 As shown in the utility model provides a kind of spin coating hardening's ultra-thin lens technical scheme: including lens body 110, lens body 110 includes lens front surface and lens rear surface, lens front surface is adhered to patch lens 120 by double-sided tape 130, patch lens 120 one side is set as concave, patch lens 120 other side is set as convex or plane, the curvature radius numerical value of the concave of patch lens 120 is set as the same with the curvature radius numerical value of lens front surface, the curvature radius direction of the concave of patch lens 120 is set as opposite with the curvature radius direction of lens front surface, the concave of patch lens 120 and lens front surface are adhered by double-sided tape 130, after adhering, patch lens 120 is adsorbed in hardening machine's chuck and is hardened, after hardening completely solidifies, lens body 110 is soaked in organic solvent, double-sided tape 130 is dissolved and decomposed patch lens 120 and lens body 110, if lens front surface is plane, one side of patch lens 120 can be set as plane, other side of patch lens 120 can be set as plane or convex, by increasing patch lens 120, lens body 110 is hardened, so that lens body 110 is heated more evenly when processing, the possibility of deformation is reduced.

[0024] Further, double-sided tape 130 is cut into any suitable shape according to the shape of lens front surface, and double-sided tape 130 does not deform and fall off after being adhered in a heat environment not higher than 200 DEG C and under the irradiation of UV lamp, but can be dissolved and removed using organic solvent.

[0025] Further, the thickness of patch lens 120 is set to 1.0mm-4.0mm, and a resin lens or a glass patch of 1.0mm-2.0mm can be selected.

[0026] Further, if the front surface and the rear surface of the lens need to be hardened, the rear surface of the lens is processed first, the backing lens 120 is selected, the curvature radius value of the concave surface of the backing lens 120 is the same as that of the front surface of the lens, the curvature radius direction of the concave surface of the backing lens 120 is opposite to that of the front surface of the lens, the front surface of the lens and the concave surface of the backing lens 120 are bonded by the double-sided tape 130, the backing lens 120 is adsorbed on the chuck of the hardening machine to be hardened and then dissolved in the organic solvent, the backing lens 120 and the lens body 110 are separated after the double-sided tape 130 is dissolved, and then the backing lens 120 is selected again, the curvature radius value of the concave surface of the backing lens 120 is the same as that of the rear surface of the lens, the curvature radius direction of the concave surface of the backing lens 120 is opposite to that of the rear surface of the lens, the rear surface of the lens and the concave surface of the backing lens 120 are bonded by the double-sided tape 130, the backing lens 120 is adsorbed on the chuck of the hardening machine to be hardened and then dissolved in the organic solvent, and the backing lens 120 and the lens body 110 are separated after the double-sided tape 130 is dissolved.

[0027] The working principle of the utility model is as follows:

[0028] In use, the backing lens 120 is selected, the curvature radius value of the concave surface of the backing lens 120 is the same as that of the front surface of the lens, the curvature radius direction of the concave surface of the backing lens 120 is opposite to that of the front surface of the lens, the front surface of the lens and the concave surface of the backing lens 120 are bonded by the double-sided tape 130, the backing lens 120 is adsorbed on the chuck of the hardening machine to be hardened and then dissolved in the organic solvent, and the backing lens 120 and the lens body 110 are separated after the double-sided tape 130 is dissolved; if the front surface and the rear surface of the lens need to be hardened, the backing lens 120 is selected again, the curvature radius value of the concave surface of the backing lens 120 is the same as that of the rear surface of the lens, the curvature radius direction of the concave surface of the backing lens 120 is opposite to that of the rear surface of the lens, the rear surface of the lens and the concave surface of the backing lens 120 are bonded by the double-sided tape 130, the backing lens 120 is adsorbed on the chuck of the hardening machine to be hardened and then dissolved in the organic solvent, and the backing lens 120 and the lens body 110 are separated after the double-sided tape 130 is dissolved.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A spin-on hardened ultrathin lens comprising a lens body (110), characterized in that: The lens body (110) comprises a lens front surface and a lens back surface, and is provided with a patch lens (120) for preventing deformation, and the patch lens (120) and the lens body (110) are bonded with double-sided adhesive tape (130) for fixation.

2. The spin-on hardened ultrathin lens of claim 1, wherein: One side of the patch lens (120) is provided as a concave surface, and the other side of the patch lens (120) is provided as a convex surface or a flat surface.

3. The spin-on hardened ultrathin lens of claim 2, wherein: The curvature radius value of the concave surface of the patch lens (120) is set to be the same as that of the lens front surface, and the curvature radius direction of the concave surface of the patch lens (120) is set to be opposite to that of the lens front surface.

4. The spin-on hardened ultrathin lens of claim 2, wherein: The concave surface of the patch lens (120) is bonded with the lens front surface through the double-sided adhesive tape (130).

5. The spin-on hardened ultrathin lens of claim 1, wherein: The thickness of the patch lens (120) is set to be 1.0mm-4.0mm.

6. The spin-on hardened ultrathin lens of claim 1, wherein: The shape of the double-sided adhesive tape (130) is set according to the lens body (110).