WO2006070830A1 - 保護眼鏡用レンズ - Google Patents
保護眼鏡用レンズ Download PDFInfo
- Publication number
- WO2006070830A1 WO2006070830A1 PCT/JP2005/023952 JP2005023952W WO2006070830A1 WO 2006070830 A1 WO2006070830 A1 WO 2006070830A1 JP 2005023952 W JP2005023952 W JP 2005023952W WO 2006070830 A1 WO2006070830 A1 WO 2006070830A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- lens element
- protective
- polarizing
- laser beam
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/16—Laminated or compound lenses
Definitions
- the present invention relates to a protective ophthalmic lens having a function of blocking a laser beam and an anti-glare function.
- the oscillation wavelength of a laser beam oscillated is disclosed.
- a filter that uses colored glass that has optical characteristics that allows the transmission of the laser beam with respect to the light to be within the allowable transmission amount for the eye while transmitting other wavelengths of light at a high rate.
- a plurality of lenses having different refractive indexes at the interface are disclosed.
- a lens made of a translucent material in which the interface has an inclined surface and is made up of a plurality of cross-sectional corrugated surfaces arranged in parallel in one direction.
- inorganic glass thermoplastic synthetic resin, or thermosetting A first lens element made of the above synthetic resin, a second lens element made of a thermoplastic synthetic resin or a thermosetting synthetic resin, and a polarizing film. And the second lens element are bonded to each other in a state of sandwiching the polarizing film.
- Patent Document 1 Japanese Patent Application Laid-Open No. 54-27451 (Page 1)
- Patent Document 2 JP-A-62-231925 (first page)
- Patent Document 3 JP-A-6-67125 (first page)
- Patent Document 4 Japanese Unexamined Patent Publication No. 2001-350122 (first page)
- the laser protective spectacle lens uses a light absorber having a narrow bandwidth, and thus has a special color. ing. For this reason, laser protective eyeglasses that use this lens may cause incorrect color recognition during work or a temporary shift in color vision after work, especially in the case of external surgery using a laser. It had the disadvantage of being at risk of being mistaken.
- the present invention has an object to solve the above-mentioned conventional drawbacks, and when used in a protective eyeglass, it has an excellent appearance with good wearability, and color recognition and color vision shift may occur.
- the purpose of the present invention is to provide a protective eyeglass lens having both a laser shading function and an antiglare function.
- the protective eyeglass lens of the present invention is formed by superimposing a first lens element for shielding laser light and a second lens element for anti-glare.
- the protective eyeglass lens of the present invention has a first lens element for shielding laser light and a second lens element for anti-glare.
- the first lens element includes an absorbent that selectively absorbs a laser beam having a specific wavelength in the ultraviolet wavelength region, the visible light wavelength region, or the infrared wavelength region. Containing and transparent substrate in the visible light wavelength range.
- the second lens element is composed of a polarizing lens having one polarizer force, or one polarizer and one protective resin plate.
- a polarizing lens, some! /, Is a polarizing lens that consists of a polarizer and two protective resin plates sandwiching it.
- the hue of the first lens element and the hue of the second lens element are in a complementary color relationship.
- the first lens element and the second lens element are attached by heat welding.
- the protective eyeglass lens of the present invention is such that the first lens element and the second lens element are attached using an adhesive or a pressure-sensitive adhesive.
- the first lens element and the second lens element are attached by injection molding.
- the protective spectacle lens of the present invention is configured as described above, and when used for protective spectacles, it has an excellent appearance with good wearability and is less susceptible to color recognition and color vision shift.
- it since it has both a laser shading function and an anti-glare function, it provides protective glasses for laser surgery used in brightly lit operating rooms, protective glasses for laser experiments, and protective glasses for laser surveying used outdoors. For example, it is preferably used.
- FIG. 1 is a cross-sectional view showing a first embodiment of a protective eyeglass lens of the present invention.
- FIG. 2 is a cross-sectional view showing a second embodiment of the protective eyeglass lens of the present invention.
- FIG. 3 is a cross-sectional view showing a third embodiment of the protective eyeglass lens of the present invention.
- FIG. 4 is a cross-sectional view showing a fourth embodiment of the protective eyeglass lens of the present invention.
- FIG. 5 is a cross-sectional view showing a fifth embodiment of the protective eyeglass lens of the present invention.
- FIG. 6 is a cross-sectional view showing a sixth embodiment of the protective eyeglass lens of the present invention.
- FIG. 7 is a cross-sectional view showing a seventh embodiment of the lens for protective glasses of the present invention.
- FIG. 8 is a sectional view showing an eighth embodiment of the protective eyeglass lens of the present invention.
- FIG. 9 is a cross-sectional view showing a ninth embodiment of the protective eyeglass lens of the present invention.
- FIG. 10 is a cross-sectional view showing a tenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 11 is a sectional view showing an eleventh embodiment of a protective eyeglass lens of the present invention.
- FIG. 12 is a cross-sectional view showing a twelfth embodiment of the protective eyeglass lens of the present invention.
- FIG. 13 is a sectional view showing a thirteenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 14 is a sectional view showing a fourteenth embodiment of a protective eyeglass lens of the present invention.
- FIG. 15 is a cross-sectional view showing a fifteenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 16 is a cross-sectional view showing a sixteenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 17 is a cross-sectional view showing a seventeenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 18 is a cross-sectional view showing an eighteenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 19 is a cross-sectional view showing a nineteenth embodiment of the protective eyeglass lens of the present invention.
- FIG. 20 is a cross-sectional view showing a twentieth embodiment of a protective eyeglass lens of the present invention.
- FIG. 21 is a cross-sectional view showing a twenty-first embodiment of the protective eyeglass lens of the present invention.
- FIG. 22 is a cross-sectional view showing a 22nd embodiment of the protective eyeglass lens of the present invention.
- FIG. 23 is a cross-sectional view showing a 23rd embodiment of the protective eyeglass lens of the present invention.
- FIG. 24 is a cross-sectional view showing a twenty-fourth embodiment of the protective eyeglass lens of the present invention.
- FIG. 1 to FIG. 24 show embodiments of the protective eyeglass lens of the present invention, which are composed of a first lens element 1 for shielding laser light and a second lens element 2 for preventing glare. .
- the first lens element 1 contains an absorbent that selectively absorbs a laser beam having a specific wavelength in the ultraviolet wavelength range, the visible wavelength range, or the infrared wavelength range, and is in the visible wavelength range.
- the substrate is transparent.
- a transparent glass transparent resin there is a transparent glass transparent resin, but a transparent resin capable of injection molding is preferable.
- the first lens element 1 has Log ⁇ at a specific wavelength of the laser beam.
- Laser light having a specific wavelength in the ultraviolet wavelength region, visible light wavelength region, or infrared wavelength region includes the following.
- the ultraviolet wavelength region there are excimer lasers using a mixed gas of argon and fluorine, excimer lasers using a mixed gas of krypton and fluorine, and third harmonic and fourth harmonic of neodymium.
- the visible light wavelength range there are blue lasers such as helium cadmium laser, argon ion laser, second harmonic of neodymium and red lasers such as green laser, helium neon, and ruby.
- semiconductor lasers cover visible light from infrared light.
- UV absorbers used in these include benzophenone-based substances such as 2,4 dihydroxybenzophenone and 2-hydroxy-4-methoxybenzophenone, phenyl salicylate, and 4 tertobutylphenol salicylate.
- Salicylates such as ethyl 2-cyanol 3, 3 Cyanacrylates such as diphenyl acrylate, 2, 2'-dihydroxy 4, 4'-dimethoxybenzophenone, 2- (2 ⁇ benzotriazol Benzotriazole based materials such as weather resistance and processability are used because benzotriazole-based substances such as 4- (2-yl) 4-menthyl 6- (3, 4, 5, 6-tetrahydrophthalimidylmethyl) phenone are used.
- 2- (2 ⁇ benzotriazole 2-yl) 4-methyl 4- (3, 4, 5, 6-tetrahydrophthalimidylmethy) ) Fuenon is preferable.
- blue and green light wavelength absorber examples include indigo dyes such as oxyindigo and isooxyindigo, quinophthalone dyes such as quinophthalone and 3, -hydroxyquinophthalone, quinone dyes such as 1-methoxyanthraquinone, 4-methyl-7 coumarin dyes such as jetylaminotamarin, chlorophyll dyes, diphenylmethane dyes such as diphenylmethyl chloride, 7-force noreoxy 1, 3, 3, monotrimethyl spiro [ Spiropyran dyes such as 2 ⁇ - 1-benzopyran 2, 2, 1 indoline], thiazine dyes such as 2 amino-4 1 (2, triethyl) 1-6, 1, 3-thiazine-6-cion, and triphenylmethyl Triphenylmethane dyes such as chlorochloride are used, weather resistance, transparency, processability Of these, 3'-hydroxyquinophthalone is preferred among quinophthalone dyes.
- indigo dyes such as oxyindigo and iso
- indigo dyes such as indigo, 5, 5, and monodibromoindigo
- quinone colors such as 4-1 (4, oxidized phenol-norimide) 1,4 monobenzoquinone and the like.
- Coumarin dyes such as elemental, coumarin fluorocente dyes, tris methane dyes such as tris (p-demethylaminophenol) 3-methylmethyl chloride, chlorophyll dyes, and ferrules -Dimethylmethane dyes such as -rumethyl, spiropyran dyes such as 3, -ethyl 3-phenenyl 6-trospiro [2H-1-benzopiran 2, 2 'monobenzothiazine], phthalocyanine dyes such as copper phthalocyanine Of these, phthalocyanine dyes are preferred from the viewpoint of weather resistance, transparency, processability, etc. Among these, copper phthalocyanine is preferred.
- Infrared rays such as cyanine-based, squarylium-based, methine-based, naphthoquinone-based, quinoneimine-based, phthalocyanine-based, tetradehydrocholine-based, ethylene 1,2-dithiol-based metal complexes having absorption mainly in the near-infrared wavelength region. Some absorbents also have red-based absorption, and in such cases, these may be used.
- the second lens element 2 is usually a polarizing lens having one polarizer force, a polarizing lens having one polarizer and one protective resin plate, or one polarizer.
- This is a polarizing lens that consists of two protective resin plates sandwiching it.
- the viewpoint power for protecting the polarizer is preferably a polarizing lens comprising a single polarizer and two protective resin plates sandwiching the polarizer as constituent elements.
- the polarizer is usually a polybulal alcohol uniaxially stretched film dyed with iodine or a dichroic dye, and has a thickness of 100 ⁇ m or less.
- the protective resin board must be transparent in the visible light wavelength range, and in the case of extrusion molding or injection molding, the same base material as the base material of the first lens element 1 can be used. It is preferable to use the same base material as the base material of the first lens element 1 even from the viewpoint of safety. .
- This protective resin board is generally a stretched film-like synthetic resin board having a thickness of several mm or less. In the case of cast molding, a cellulose ester resin can also be used as the protective resin board, and it is generally a non-stretchable film-like synthetic resin board having a thickness of several mm or less.
- the protective resin plate may contain an absorbent that selectively absorbs the laser beam.
- the polarizer and the protective resin plate are usually attached with an adhesive or an adhesive.
- the second lens element 2 can absorb 50% or more of visible light. Furthermore, the second lens element 2 can absorb 50% or more of visible light in a specific wavelength region of the laser beam in the visible light wavelength region. In addition, the second lens element 2 can absorb 50% or more of visible light in the wavelength range excluding a specific wavelength range of the laser beam in the visible light wavelength range.
- the first lens element 1 and the second lens element 2 are superposed.
- the outer surface of the second lens element 2 is overlapped on the inner surface of the first lens element 1 without a gap and fixed with a spectacle frame (not shown) or the like.
- the inner surface of the second lens element 2 is superimposed on the outer surface of the first lens element 1 without a gap, and is fixed with a spectacle frame (not shown) or the like.
- the first lens element 1 and the second lens element 2 are each formed into a lens shape by press molding.
- a polarizing plate having a single polarizer 2a and a single protective resin plate 2b as a constituent skeleton is produced, and the polarizing plate is cut into an appropriate size.
- the second lens element 2 is obtained by press molding the resulting product into a lens shape.
- the outer surface of the second lens element 2 is superimposed on the inner surface of the first lens element 1 formed into a lens by press molding without gaps, and is fixed with a spectacle frame (not shown) or the like.
- the inner surface of the second lens element 2 is superimposed on the outer surface of the first lens element 1 formed into a lens shape by press molding without gaps, and fixed with a spectacle frame (not shown) or the like.
- a polarizing plate is produced using a single polarizer 2a and two protective resin plates 2b and 2b sandwiching the polarizer 2a, and the polarizing plate. Cutting to appropriate dimensions This is press-molded into a lens shape to obtain the second lens element 2. Then, the outer surface of the second lens element 2 is overlapped with the inner surface of the first lens element 1 formed into a lens shape by press molding without gaps, and is fixed with a spectacle frame (not shown) or the like. In the embodiment shown in FIG. 6, the inner surface of the second lens element 2 is overlapped with the outer surface of the first lens element 1 formed into a lens shape by press molding without gaps, and fixed with a spectacle frame (not shown) or the like. As a thing. In the embodiment shown in FIGS. 7 to 18, the first lens element 1 and the second lens element 2 are attached.
- the first lens element 1 and the second lens element 2 are attached by thermal welding, and in the embodiment shown in FIGS.
- the lens element 1 and the second lens element 2 are pasted using an adhesive or a pressure-sensitive adhesive.
- the first lens element 1 and the second lens element 2 are each formed into a lens shape by press molding.
- symbol 3 in FIG. 9, 10 has shown the adhesive bond layer or the adhesive layer.
- the second lens element 2 is obtained in the same manner as the embodiment shown in FIG.
- the outer surface of the second lens element 2 is attached to the inner surface of the first lens element 1 formed into a lens shape by press molding by heat welding.
- the inner surface of the second lens element 2 is bonded to the outer surface of the first lens element 1 formed into a lens by press molding by heat welding.
- the second lens element 2 is obtained in the same manner as the embodiment shown in FIG.
- the outer surface of the second lens element 2 is attached to the inner surface of the first lens element 1 by heat welding.
- the inner surface of the second lens element 2 is attached to the outer surface of the first lens element 1 by thermal welding.
- the second lens element 2 is obtained in the same manner as the embodiment shown in FIG.
- the outer surface of the second lens element 2 is attached to the inner surface of the first lens element 1 formed into a lens shape by press molding using an adhesive or an adhesive.
- the inner surface of the second lens element 2 is attached to the outer surface of the first lens element 1 formed into a lens shape by press molding using an adhesive or an adhesive.
- the second lens element 2 is the same as the embodiment shown in FIG. Get.
- the outer surface of the second lens element 2 is attached to the inner surface of the first lens element 1 using an adhesive or an adhesive.
- the inner surface of the second lens element 2 is attached to the outer surface of the first lens element 1 using an adhesive or a pressure-sensitive adhesive.
- the first lens element 1 is attached to the second lens element 2 by injection molding.
- the second lens element 2 having a lens shape is obtained by press molding.
- the second lens element 2 is set in an insert injection molding machine, and the first lens element 1 is pasted by insert injection molding.
- the second lens element 2 is obtained in the same manner as the embodiment shown in FIG. Next, the second lens element 2 is set in an insert injection molding machine, and the first lens element 1 is pasted by insert injection molding.
- the second lens element 2 is obtained in the same manner as the embodiment shown in Fig. 5. Next, the second lens element 2 is set in an insert injection molding machine, and the first lens element 1 is pasted by insert injection molding.
- the hue of the first lens element 1 and the hue of the second lens element 2 have a complementary color relationship. In this way, it is possible to prevent a phenomenon in which color vision temporarily shifts after work without risk of misrecognizing the object in the case of surgery using a laser, for example, due to color recognition errors during work. Can do.
- a correction dye for complementary color is used as the base material constituting the first lens element 1 itself.
- the protective resin plate for the second lens element added to the adhesive or pressure-sensitive adhesive for attaching the first lens element 1 and the second lens element 2, or attached to the polarizer or protective resin plate It can be added to an adhesive or a pressure-sensitive adhesive.
- a laser beam having a specific wavelength in the ultraviolet wavelength region is applied to 100 parts of a bisphenol type polycarbonate resin powder having an average molecular weight of 18,000 to 30,000.
- Absorbent that selectively absorbs Seesorb 201, manufactured by Sipro Kasei Co., Ltd.
- Antioxidant Adeka Stub 2112, manufactured by Asahi Denka Co., Ltd.
- a compounding machine was used to obtain a pellet resin having an average diameter of 3 mm.
- the radius of curvature is 50 to 150 mm, the thickness is 1.2 to 4.
- the polarizing film (thickness: A shape of 0.2 to 1.
- Om m is preliminarily molded to a curvature of 70 to 200 mm and solidified with a suction strength of 100, OOOPa. Then 200-350 on one side of the polarization Finolem.
- the pellet resin melted in C is poured, cooled and re-cured to obtain a protective eyeglass lens.
- the protective spectacle lens manufactured by the above method has a visible light transmittance of 20 to 50% and a degree of polarization of 90% or more, and has an excellent antiglare effect.
- the protective eyeglass lens was processed into a spectacle shape and attached to a vine or the like to obtain protective eyeglasses.
- This protective eyeglass shields the laser beam that is dangerous to the eyes and effectively cuts the radiant light. Therefore, if it is used for a surgical operation using a laser, a comfortable working environment can be obtained.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05822721A EP1837698A4 (en) | 2004-12-28 | 2005-12-27 | GLASSES OF EYEWEAR FOR EYEWEAR |
US11/722,949 US7901074B2 (en) | 2004-12-28 | 2005-12-27 | Lens for safety glasses |
CN2005800452544A CN101091134B (zh) | 2004-12-28 | 2005-12-27 | 防护眼镜用镜片 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004378503A JP4811701B2 (ja) | 2004-12-28 | 2004-12-28 | 保護眼鏡用レンズ |
JP2004-378503 | 2004-12-28 |
Publications (1)
Publication Number | Publication Date |
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WO2006070830A1 true WO2006070830A1 (ja) | 2006-07-06 |
Family
ID=36614942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/023952 WO2006070830A1 (ja) | 2004-12-28 | 2005-12-27 | 保護眼鏡用レンズ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7901074B2 (ja) |
EP (1) | EP1837698A4 (ja) |
JP (1) | JP4811701B2 (ja) |
CN (1) | CN101091134B (ja) |
TW (1) | TW200632403A (ja) |
WO (1) | WO2006070830A1 (ja) |
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US7004583B2 (en) * | 2003-01-29 | 2006-02-28 | East Bay Technologies | Eyewear lenses and methods of manufacturing |
US6886937B2 (en) * | 2003-06-20 | 2005-05-03 | Vision - Ease Lens, Inc. | Ophthalmic lens with graded interference coating |
-
2004
- 2004-12-28 JP JP2004378503A patent/JP4811701B2/ja active Active
-
2005
- 2005-12-26 TW TW094146541A patent/TW200632403A/zh not_active IP Right Cessation
- 2005-12-27 CN CN2005800452544A patent/CN101091134B/zh not_active Expired - Fee Related
- 2005-12-27 EP EP05822721A patent/EP1837698A4/en not_active Withdrawn
- 2005-12-27 US US11/722,949 patent/US7901074B2/en not_active Expired - Fee Related
- 2005-12-27 WO PCT/JP2005/023952 patent/WO2006070830A1/ja active Application Filing
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JPS5427451A (en) | 1977-08-02 | 1979-03-01 | Canon Inc | Laser protecting spctracles |
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Also Published As
Publication number | Publication date |
---|---|
CN101091134A (zh) | 2007-12-19 |
EP1837698A1 (en) | 2007-09-26 |
CN101091134B (zh) | 2010-05-12 |
TW200632403A (en) | 2006-09-16 |
EP1837698A4 (en) | 2009-09-23 |
JP2006184596A (ja) | 2006-07-13 |
TWI369521B (ja) | 2012-08-01 |
US20070285615A1 (en) | 2007-12-13 |
JP4811701B2 (ja) | 2011-11-09 |
US7901074B2 (en) | 2011-03-08 |
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