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CN-122011685-A - Multiband aspheric lens for golf and preparation method thereof

CN122011685ACN 122011685 ACN122011685 ACN 122011685ACN-122011685-A

Abstract

The invention discloses a multiband aspheric lens for golf and a preparation method thereof, and particularly relates to the technical field of optical components, wherein the multiband aspheric lens comprises a high-strength resin matrix with a refractive index of 1.58-1.62 and a plurality of functional molecules uniformly dissolved in the high-strength resin matrix, wherein the distribution non-uniformity of the functional molecules in the matrix is less than 5%, and the functional molecules comprise an ultraviolet absorber for blocking ultraviolet rays in 380-400 nm wave bands. According to the invention, a plurality of functional molecules are uniformly dissolved in a resin matrix and formed into an aspheric structure at one time, so that the synchronous improvement of the spectral performance and the structural reliability of the lens is realized, the interface reflection and delamination risks of the traditional multilayer film structure are fundamentally eliminated, the optical purity is ensured, the selectivity enhancement can be realized for a green light wave band of 490-570nm, meanwhile, the interference yellow-green light and red light are accurately filtered, the visual contrast and definition of golf in the green interpretation are improved, and the edge aberration is effectively eliminated by combining the aspheric design.

Inventors

  • YANG HUBO
  • LI QING
  • XIAO LIANFENG

Assignees

  • 天元清水光学(上海)有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (10)

  1. 1. A multiband aspherical lens for golf, characterized by comprising: A high strength resin matrix having a refractive index of 1.58 to 1.62; And a plurality of functional molecules uniformly dissolved in the high-strength resin matrix, wherein the non-uniformity of the distribution of the functional molecules in the matrix is less than 5%; The functional molecule comprises: an ultraviolet absorber for blocking ultraviolet rays of 380nm to 400nm wavelength band; the blue light preventing agent is used for absorbing blue light in the wave band of 400nm to 450 nm; a 490nm-570nm green light enhancer for selectively enhancing green light in a wavelength band of 490nm to 570 nm; A 570nm-590nm filter for absorbing yellow-green light in a wavelength band of 570nm to 590 nm; a 620nm-780nm filter for absorbing red to near infrared light in a wavelength band of 620nm to 780 nm; Wherein, the lens is an aspheric structure prepared by one-step molding of a die.
  2. 2. The multiband aspherical lens for golf motion according to claim 1, wherein the high-strength resin substrate is an epoxy resin or a polycarbonate resin.
  3. 3. The multiband aspherical lens for golf motion according to claim 1, wherein the 490-570 nm green light enhancer comprises a complex of benzoxazole derivatives and naphthalimide fluorescent molecules.
  4. 4. The multiband aspherical lens for golf motion according to claim 1, wherein the filter of 570nm to 590nm is azo compound, and the filter of 620nm to 780nm is phthalocyanine metal complex.
  5. 5. The multiband aspherical lens for golf motion according to claim 1, wherein the transmittance gain of the lens at a wavelength band of 490nm to 570nm is more than 25% and the spectral interference is 15% or less.
  6. 6. A method of making a multi-band aspherical lens for golf play according to any one of claims 1 to 5, comprising the steps of: S1, raw material pretreatment, namely preparing a high-strength resin matrix raw material, an ultraviolet absorber, a blue light inhibitor, a 490nm-570nm green light enhancer, a 570nm-590nm filter and a 620nm-780nm filter according to a proportion; S2, vacuum mixing, namely, carrying out high-speed shearing and stirring mixing on the pretreated raw materials under the vacuum condition, so that functional molecules are completely dissolved in a resin matrix to form a uniform mixed solution; s3, pouring the mixed solution into an aspherical mold for pouring molding to obtain a lens primary blank; S4, curing and finishing, namely performing heat curing treatment on the initial lens blank, and then performing edge chamfering and polishing treatment to obtain the multiband aspheric lens.
  7. 7. The method of claim 6, wherein the vacuum mixing step is performed at a vacuum level of-0.09 MPa to-0.1 MPa, a stirring speed of 800 to 1200 rpm, and a mixing time of 30 to 60 minutes.
  8. 8. The method of claim 6, wherein the mold temperature is 25 to 35 ℃ and the heat curing treatment temperature is 80 to 100 ℃ and the curing time is 2 to 4 hours.
  9. 9. The method of claim 6, wherein the raw material pretreatment step comprises 100 parts by weight of a high-strength resin matrix, 5-8 parts by weight of an ultraviolet absorber, 10-15 parts by weight of a blue light inhibitor, 8-12 parts by weight of a 490-570 nm green light enhancer, 6-9 parts by weight of a 570-590 nm filter, and 7-11 parts by weight of a 620-780 nm filter.
  10. 10. The method of claim 6, further comprising a quality inspection step of inspecting the aspherical curvature and spectral transmittance of the molded lens after the curing and finishing steps.

Description

Multiband aspheric lens for golf and preparation method thereof Technical Field The invention relates to the technical field of optical components, in particular to a multiband aspheric lens for golf and a preparation method thereof. Background Golf sports have extremely high requirements for vision equipment, and players need to quickly and accurately interpret the outlines, the grass patterns and the slopes of long-distance greens in high-dynamic and complex illumination environments such as dawn, dusk or strong sunlight, which requires that professional lenses not only provide basic ultraviolet protection, but also have accurate spectrum regulation and control capability to enhance visual contrast, and ensure wide and undistorted vision. The traditional multilayer film technology on which the current golf sports lenses depend is characterized in that in the aspect of meeting the visual requirement of professional sports, multiple optical interfaces introduced by a multilayer film structure lead to complex reflection and scattering of light, obvious aberration and visual distortion are caused on the visual field at the edge of the lenses, the accuracy of remote interpretation is affected, the prior art focuses on blocking wide frequency bands of ultraviolet rays, blue light and the like, the capability of accurately enhancing the green light of 490-570nm, which is critical to interpretation of green, of specific bands is lacked, the beneficial light is often excessively weakened, the effective improvement of visual contrast cannot be realized, meanwhile, the risk of infirm adhesion exists between film layers, fog and delamination are easily caused due to environmental changes or abrasion, the service life of the lenses is affected, and the manufacturing cost is high due to the complex film plating technology. Disclosure of Invention In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a multi-band aspherical lens for golf exercise and a method for preparing the same, which solve the above-mentioned problems of the prior art. In order to achieve the above object, the present invention provides a multi-band aspherical lens for golf, comprising: A high strength resin matrix having a refractive index of 1.58 to 1.62; And a plurality of functional molecules uniformly dissolved in the high-strength resin matrix, wherein the non-uniformity of the distribution of the functional molecules in the matrix is less than 5%; the plurality of functional molecules includes: an ultraviolet absorber for blocking ultraviolet rays of 380nm to 400nm wavelength band; the blue light preventing agent is used for absorbing blue light in the wave band of 400nm to 450 nm; a 490nm-570nm green light enhancer for selectively enhancing green light in a wavelength band of 490nm to 570 nm; A 570nm-590nm filter for absorbing yellow-green light in a wavelength band of 570nm to 590 nm; a 620nm-780nm filter for absorbing red to near infrared light in a wavelength band of 620nm to 780 nm; Wherein, the lens is an aspheric structure prepared by one-step molding of a die. Preferably, the high-strength resin matrix is an epoxy resin or a polycarbonate resin. Preferably, the 490-570 nm green light enhancer comprises a compound of benzoxazole derivatives and naphthalimide fluorescent molecules. Preferably, the 570nm-590nm filter is azo compound, and the 620nm-780nm filter is phthalocyanine metal complex. Preferably, the lens has a transmittance gain of greater than 25% in the 490nm to 570nm band and a spectral interference of 15% or less. A method of making a multi-band aspherical lens for golf play as described above comprising the steps of: S1, raw material pretreatment, namely preparing a high-strength resin matrix raw material, an ultraviolet absorber, a blue light inhibitor, a 490nm-570nm green light enhancer, a 570nm-590nm filter and a 620nm-780nm filter according to a proportion; S2, vacuum mixing, namely, carrying out high-speed shearing and stirring mixing on the pretreated raw materials under the vacuum condition, so that functional molecules are completely dissolved in a resin matrix to form a uniform mixed solution; s3, pouring the mixed solution into an aspherical mold for pouring molding to obtain a lens primary blank; S4, curing and finishing, namely performing heat curing treatment on the initial lens blank, and then performing edge chamfering and polishing treatment to obtain the multiband aspheric lens. Preferably, in the vacuum mixing step, the vacuum degree is maintained at-0.09 MPa to-0.1 MPa, the stirring speed is 800 to 1200 rpm, and the mixing time is 30 to 60 minutes. Preferably, in the casting step, the temperature of the mold is 25 ℃ to 35 ℃, the temperature of the heat curing treatment is 80 ℃ to 100 ℃, and the curing time is 2 to 4 hours. Preferably, in the raw material pretreatment step, the raw material pretreatment comprises, by mass, 100 parts of a high-strength resin ma