CN212276013U - High-visibility PC lens - Google Patents
High-visibility PC lens Download PDFInfo
- Publication number
- CN212276013U CN212276013U CN202021083070.5U CN202021083070U CN212276013U CN 212276013 U CN212276013 U CN 212276013U CN 202021083070 U CN202021083070 U CN 202021083070U CN 212276013 U CN212276013 U CN 212276013U
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- Prior art keywords
- lens
- organic silicon
- visibility
- film layer
- silicon coating
- Prior art date
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- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 229910020442 SiO2—TiO2 Inorganic materials 0.000 claims abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 5
- 238000002310 reflectometry Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Surface Treatment Of Optical Elements (AREA)
Abstract
The utility model relates to a PC lens, the outer surface of the PC lens is a toroidal surface structure, the inner surface is a hyperboloid structure, the middle connecting part adopts curve tangent connection instead of common spherical surface and toroidal surface, thereby reducing the edge distortion phenomenon of the lens and improving the imaging quality; an organic silicon coating is formed on the convex surface of the PC lens; the organic silicon coating is plated with an antireflection film layer, the surface of the PC lens is hardened by organic silicon, and then the surface of the PC lens is plated with SiO2‑TiO2An anti-reflection film is arranged on the outer surface of the light-emitting diode,the reflectivity of the lens is reduced, and the ghost image phenomenon is reduced, so that the PC lens has higher visibility.
Description
Technical Field
The utility model relates to a lens technical field, more specifically the PC lens that says so relates to a high visuality.
Background
With the popularization of modern electronic equipment in life, the dependence of people on the modern electronic equipment is increased, the eye using degree of people is increased due to the phenomenon, and the dependence of people on glasses is increased due to the vision problem. The materials of the glasses are mainly based on PMMA resin base and glass base, but the two materials have some problems. Compared with resin-based lenses, the glass lenses have the advantages that the weight is extremely large, the glasses can be fatigued very for a long time when being worn, the elasticity is poor and fragile, the glass lenses can be broken due to small collision in life, and the glass fragments threaten the eyeballs greatly. Although the PMMA lens is not easy to break and has low weight, the PMMA surface is soft, is not wear-resistant and has low impact strength, the lens surface can be scratched by a little carelessness when in use, the optical performance of the lens is reduced, and the filtering capacity of the PMMA material to ultraviolet rays is poor.
The common lens structure comprises a spherical surface structure and a cylindrical surface structure, the two lenses have the same optical characteristics, the axial diopter of the cylindrical lens is zero, and the refractive power on the other principal meridian perpendicular to the axial direction is the largest. The surface characteristics are that the middle is thick and the periphery is thin, the larger the radius is, the larger the thickness difference between the center and the periphery is. The spherical lens has the same dioptric strength in all directions, but has the same surface characteristics as the cylindrical lens. This results in distortion of the edge of the lens during use and poor image quality.
When the lens is used, the reflection of light can cause light energy loss, the optical quality is reduced, and the reflection of the surface of the lens to the light needs to be reduced by a certain technical means, so that the transmittance of the light is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, one of the purpose is to provide a high visual PC lens, and it has improved the intensity and the wearability of lens to improve lens imaging quality through optical design, have high strength high visibility.
The technical solution of the utility model is as follows:
a high-visibility PC lens comprises a PC lens, wherein the outer surface of the PC lens is of a toroidal curved surface structure, the inner surface of the PC lens is of a hyperboloid structure, and the middle connecting parts are in tangent connection by adopting curves; an organic silicon coating is formed on the convex surface of the PC lens; and the organic silicon coating is plated with an antireflection film layer.
Preferably, the thickness of the PC lens is changed in a step-uniform manner from 2.80mm at the center of the lens to 2.20mm at the edge of the lens.
Preferably, the antireflection film layer is SiO2-TiO2The antireflection film layer is made of SiO2-TiO2The thickness of the anti-reflection film layer is 1.7-2.0 μm.
Preferably, the thickness of the organic silicon coating is 1.0-2.0 μm.
The beneficial effects of the utility model reside in that:
compared with the prior product, the utility model discloses a have following advantage: the outer surface of the PC lens is of a toroidal curved surface structure, the inner surface of the PC lens is of a hyperboloid structure, and the middle connecting part adopts curve tangent connection instead of common spherical surfaces and toroidal surfaces, so that the edge distortion phenomenon of the lens is reduced, and the imaging quality is improved; the utility model discloses a PC lens of high strength uses organosilicon earlier to carry out the surface hardening to the PC lens and handles, then plates system SiO on the surface2-TiO2The antireflection film is combined with the special design of the toroidal curved surface, so that the reflectivity of the lens is reduced, and the ghost phenomenon is reduced, so that the PC lens has higher visibility. The imaging quality of the lens is improved, and the requirement of high visibility of a user is met.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is the measured transmittance of a PC lens before coating;
in fig. 1 and 2: 1-antireflection film layer; 2-an organosilicon coating; 3-PC lens.
Detailed Description
The embodiment, see fig. 1 and 2, a high-visibility PC lens comprises a PC lens, wherein the outer surface of the PC lens is of a toroidal curved surface structure, the inner surface of the PC lens is of a hyperboloid structure, and the middle connecting parts are connected in a curve tangent mode; an organic silicon coating is formed on the convex surface of the PC lens, and the surface hardening treatment is carried out on the PC lens by adopting the organic silicon coating; the organic silicon coating is plated with an antireflection film layer, and the antireflection film layer improves the incidence rate of the PC lens.
The utility model discloses a PC lens adopts the design of two-sided aspheric surface, and the surface is the toroidal surface structure, and the internal surface is the hyperboloid structure, and coupling part has the tangent connection of curve, and such lens has still reduced the weight of lens when having remain better optical property and imaging quality, has improved the visuality of lens.
The utility model discloses a lens substrate is the PC material, the preparation method of high-visibility PC lens, its concrete step as follows:
(1) preparing a PC lens: in a designed mould, the PC lens is prepared by adopting an injection molding method, the outer surface of the PC lens is of a ring curved surface structure, the inner surface of the PC lens is of a hyperboloid structure, and the middle connecting parts are in tangent connection by adopting curves. The width of the lens is designed according to the average interpupillary distance of 60mm of Asians, and the thickness of the lens changes in steps and uniformly changes from the center to the edge by 2.80 mm. And (3) after injection molding, placing the PC lens at 80-90 ℃ for heat treatment for 3-4 h, thereby eliminating the thermal stress of the injection molded PC lens.
(2) Pretreatment of a PC lens: and (2) cleaning the PC lens obtained in the step (1) by using a cleaning agent, soaking the PC lens in a degreasing agent for 25 minutes under an ultrasonic condition, finally washing the PC lens for 3 times by using pure water, and then drying the PC lens at 80 ℃, wherein the defective lens is removed in the process.
(3) The PC lens is subjected to surface hardening treatment: soaking the PC lens treated in the step (2) in hardening liquid for 40-60 s, wherein the hardening liquid is fluorine-containing organic silicon dissolved in an organic solvent, and then adding a titanium complex to form the hardening liquid, and the optical performance of the lens is improved by adding titanium; taking out and placing at 65-75 ℃ for drying for 3 minutes, then raising the temperature to 100-120 ℃, baking for 2-3 hours, enabling the hardening liquid coating to form an organic silicon coating on the surface of the PC lens, wherein the thickness of the organic silicon coating is 1.5 mu m, realizing surface hardening treatment of the PC lens, and using the hardened liquid coating as an intermediate layer between coating treatment and the PC lens.
(4) Film coating: the refractive index of the hardened PC lens is 1.59, and SiO is selected according to the refractive index matching principle2-TiO2The antireflection film is used as an antireflection film layer of the PC lens, the antireflection film layers are alternately overlapped for seven times according to the refractive index of the material, and the total thickness of the antireflection film layer is 1.8 mu m finally. SiO 22-TiO2The antireflection film enables secondary reflection of incident light on the antireflection film to interfere with primary reflection light of the lens, so that the reflection light is weakened, the effect of increasing incident light of the lens is achieved, and the visibility of the PC lens is improved. As shown in fig. 2, the transmittance of the PC lens was greatly improved before and after the coating.
The above embodiments are specific descriptions of the present invention, and are only further descriptions of the present invention, which should not be construed as limitations of the protection scope of the present invention, and some non-essential modifications and adjustments made by those skilled in the art according to the above embodiments are all within the protection scope of the present invention.
Claims (4)
1. A high-visibility PC lens comprises a PC lens body, and is characterized in that: the outer surface of the PC lens is of a toroidal curved surface structure, the inner surface of the PC lens is of a hyperboloid structure, and the middle connecting part is in tangent connection by adopting a curve; an organic silicon coating is formed on the convex surface of the PC lens; and the organic silicon coating is plated with an antireflection film layer.
2. A high-visibility PC lens in accordance with claim 1, wherein: the thickness of the PC lens is changed from 2.80mm at the center of the lens to 2.20mm at the edge in a step-uniform manner.
3. A high-visibility PC lens in accordance with claim 1, wherein: the anti-reflection film layer is SiO2-TiO2The thickness of the anti-reflection film layer is1.7～2.0μm。
4. A high-visibility PC lens in accordance with claim 1, wherein: the thickness of the organic silicon coating is 1.0-2.0 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083070.5U CN212276013U (en) | 2020-06-12 | 2020-06-12 | High-visibility PC lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021083070.5U CN212276013U (en) | 2020-06-12 | 2020-06-12 | High-visibility PC lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212276013U true CN212276013U (en) | 2021-01-01 |
Family
ID=73882786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021083070.5U Active CN212276013U (en) | 2020-06-12 | 2020-06-12 | High-visibility PC lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212276013U (en) |
-
2020
- 2020-06-12 CN CN202021083070.5U patent/CN212276013U/en active Active
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