CN107797305B - A kind of manufacturing method of double diopter glasses - Google Patents
A kind of manufacturing method of double diopter glasses Download PDFInfo
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- CN107797305B CN107797305B CN201711149644.7A CN201711149644A CN107797305B CN 107797305 B CN107797305 B CN 107797305B CN 201711149644 A CN201711149644 A CN 201711149644A CN 107797305 B CN107797305 B CN 107797305B
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- 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
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/083—Electrooptic lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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Abstract
The invention discloses a kind of manufacturing methods of double diopter glasses, are related to glasses manufacturing field, include the following steps: firstly, selecting the first eyeglass substrate and the second eyeglass substrate according to parameter to be got the right lensses for one's eyeglasses and plating to set first electrode and second electrode, regenerate alignment film；Then, photoetching support column, printing frame adhesive, filling liquid crystal process are carried out；Finally, being cut, polishing the double ametropia lens of generation, and it is installed on frame.The present invention utilizes liquid crystal birefringence principle, manufactures double diopter glasses, realizes that two kinds of diopters of liquid crystal are changeable, the different zones of glasses are without interval, no prism chattering.Include photoetching process, liquid crystal fill process, halftone technique in step S1-S6 of the present invention, produced in batches by factory and improve yield rate, reduces production cost.
Description
Technical field
The present invention relates to double diopter glasses manufacturing fields, more particularly to a kind of manufacturing method of double diopter glasses.
Background technique
In the case corrected defects of vision, it is often necessary to which there are two types of correct degree for a pair of glasses tool.Such as old man or presbyopia
When user closely reads newspaper, needs to be watched with presbyopic glasses (convex lens), when seeing distant place scenery, need to be watched with goggles.Example again
Such as, in teenage pseudomyopia, it is also desirable to which the glasses of two degrees avoid myopia degree from deepening and correct defects of vision, Yong Huke
Voluntarily to adjust the degree of glasses, the demand of different scenes is adapted to.
In the prior art, there are a kind of Bifocal lenses (or ultexes), it is by two kinds of different refractive power mills same
On one eyeglass, become the eyeglass in two regions, as shown in Figure 2.Disadvantage is that: it is that an eyeglass is divided into the area Liang Ge
Domain, causing glasses different zones has obvious interval, appearance unsightly, there is prism chattering, and upper dizziness of meeting downstairs etc. is asked
Topic；Meanwhile needing hand lift always that spectacle-frame is taken to change focus, it is inconvenient.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of double diopter eyes
The manufacturing method of mirror.The changeable adjusting of two kinds of diopters of eyeglass is aimed at, solves prior art Bifocal lenses not
There are obvious interval, appearance unsightly with region, there is prism chattering, upper the problems such as downstairs meeting is dizzy.Meanwhile work of the present invention
Skill is produced using mature photoetching technique and halftone technique, low production cost, high yield rate.
To achieve the above object, the present invention provides a kind of manufacturing method of double diopter glasses, double diopter glasses
Including mirror holder and double diopter lens；Double diopter lens from human eye view direction successively include the first eyeglass substrate,
One electrode layer, the first both alignment layers, liquid crystal layer, the second both alignment layers, the second electrode lay, the second eyeglass substrate；The first eyeglass base
Several support columns are provided between plate and the second eyeglass substrate, the liquid crystal layer surrounding is provided with fitting frame；It is described double in the wrong
Luminosity eyeglass can be switched to the first diopter and the second diopter, and the manufacturing method includes the following steps:
It is S1, poor according to the birefringence difference Δ n of liquid crystal and double diopters of double diopter lensSelection the
One eyeglass substrate and the second eyeglass substrate；By coating process, plating is set respectively on the first eyeglass substrate and the second eyeglass substrate
First electrode and second electrode；
S2, alignment liquid is imprinted by version ketone, and toasted, is formed on the first eyeglass substrate and the second eyeglass substrate
High molecular polymer alignment film configures the alignment direction of the alignment film by ultraviolet light；
S3, it is applied on the first eyeglass substrate or the second eyeglass substrate in such a way that drop coating perhaps immerses solution
Lighting blocking solution, rotates the first eyeglass substrate or the second eyeglass substrate forms photoresist layer；It is exposed using mask plate, and
Developed, curing process forms support column；Exposure hole corresponding with the support column, the exposure are provided on the mask plate
The size of unthreaded hole and the height of the support column are positively correlated；
S4, pass through screen printing process, printing and frame phase on the second eyeglass substrate or the first eyeglass substrate
Corresponding frame adhesive, and carry out precuring；
S5, the first eyeglass substrate, the second eyeglass substrate are set in vacuum chamber, in the first eyeglass substrate or
Instil a certain amount of liquid crystal on second eyeglass substrate, by the second eyeglass substrate in fitting on the first eyeglass substrate,
The liquid crystal fills the liquid crystal layer being made of the first eyeglass substrate, the second eyeglass substrate and fitting frame just；
S6, the frame adhesive of the step S5 device generated is solidified；And it is cut into the formation to match with the frame
Double diopter lens；
S7, basis parameter to be got the right lensses for one's eyeglasses, select double diopter lens, and to the first eyeglass substrate or the second mirror
Plate base is polished, and the diopter of double diopter lens is corrected；
S8, double diopter lens are installed on the mirror holder.
In the technical scheme, using liquid crystal birefringence principle, double diopter glasses is manufactured, realize two kinds of diopters of liquid crystal
It is changeable, and the different zones of glasses, without interval, specious, no prism chattering, upper go downstairs will not be dizzy.Together
When, the present invention is corrected for pseudo-myopia, is switched to high degree glasses when family observation distant place scenery can be used, is observed nearby scape
The low powered posterior chamber glasses switched when object, to improve user's eyesight.In addition, including photoetching process, liquid in step S1-S6 of the present invention
Brilliant fill process, halftone technique generally use large scale equipment, need to produce in the factory, while factory's batch production also can
Yield rate is improved, production cost is reduced.Meanwhile optist selects suitable eyeglass according to parameter to be got the right lensses for one's eyeglasses, and by polishing
Diopter is finely adjusted, to meet customer need.
In the technical scheme, both alignment layers are generated using light orientation, guarantees that both alignment layers consistency in each region is good, improves
The optical imaging effect of entire glasses.By the difference between the first diopter and the second diopter, liquid crystal birefringence rate is determined
Poor Δ n, first substrate and the second substrate, to reach the determination of double diopters difference of glasses.Due to support column height and support column
The thickness of liquid crystal layer of position is corresponding, so the parameter of support column, designed mask exposure hole are generated according to liquid crystal layer information
Exposed technique produces support column.
In the technical scheme, substrate is not cut first, and shape is consistent and bigger, and equipment is facilitated to grab and transport, to be generated
At being cut again after eyeglass to match different mirror holders, meanwhile, also have and utilizes batch production.In addition, the prior art is usually first done
Then support column is doing both alignment layers, but our support column first will affect than traditional support pillar height (10 times to 50 times)
The performance of both alignment layers, it is necessary to first do both alignment layers and do support column again.
Furthermore, in the step S2, first both alignment layers and the second both alignment layers are obtained using light orientation,
The liquid crystal layer uses negative liquid crystal；When double diopter lens are in first state, the negative liquid crystal is along the orientation
Direction arrangement；When double diopter lens are in the second state, the negative liquid crystal is along electric field alignment.
In the technical scheme, using light orientation and negative liquid crystal, the consistency of glasses each region is improved, avoids rubbing
Each region damage of orientation causes inconsistent.Meanwhile the switching of two refractive index of liquid crystal is realized under the electric field.
Furthermore, in the step S2, the alignment direction is along double ametropia lens key light axis directions.
In the technical scheme, alignment direction is used along double ametropia lens key light axis directions, the beneficial effect is that ultraviolet
Exposure angle is to expose to substrate from primary optical axis positive direction, only needs a source of parallel light, and exposure efficiency is high, speed is fast.
Furthermore, in the step S2, the alignment direction is along the first eyeglass substrate or the second eyeglass
Substrate radial direction.
In the technical scheme, alignment direction is the radial direction along substrate, is beneficial in that, each visual angle at
As effect is good.
Furthermore, the fitting frame and the first eyeglass substrate edges are there are spacing, the fitting frame and
There are spacing for the second eyeglass substrate edges, and are formed with the fitting frame, the first eyeglass substrate, the second eyeglass substrate structure
At mounting groove, the mounting groove is used to for double diopter lens to be installed on the frames of the glasses.
In the technical scheme, there are gaps between fitting frame and substrate edges, for eyeglass to be mounted on frame,
Including eyeglass is mounted in the bracing wire of half frame glasses.One is opened up again without optist for installing the groove of eyeglass, letter
The technique for changing eyeglass assembly.
Furthermore, the step S6 includes: that the step S5 double diopter lens obtained are set to ultraviolet lamp
Under, the liquid crystal region of double diopter lens is blocked with hood, and uv-exposure is carried out to the frame adhesive；The frame adhesive
It can be cured under ultraviolet light irradiation.
In the technical scheme, solidified using ultraviolet light, avoid heat cure liquid crystal expansion effects liquid crystal active and box thick.
Ultraviolet light liquid crystal is avoided using hood, effect liquid crystal is caused to be deteriorated.
Furthermore, at least one interface is arcuate structure in two interfaces of the liquid crystal layer；Double diopters
For eyeglass for correcting defects of vision, the double diopters of double diopter lens between the first state and a second state are poor
The ns1For the liquid crystal layer refractive index under first state, the ns2For the liquid crystal layer refractive index under the second state, institute
State ns1≠ns2, andThe r1For the radius of curvature of the primary optical axis at the first interface of liquid crystal layer, r2For liquid crystal layer
The radius of curvature of the primary optical axis of second contact surface, the r1> 0, the r2> 0；If the first interface of the liquid crystal layer is concave surface,
The α=- 1；If the first interface of the liquid crystal layer is plane, α=0；If the first interface of the liquid crystal layer is convex
Face, then α=1；If the second contact surface of the liquid crystal layer is concave surface, the β=- 1；If the second contact surface of the liquid crystal layer
For plane, then β=0；If the second contact surface of the liquid crystal layer is convex surface, β=1.
In the technical scheme, ns1≠ns2、So that double diopters are poorIt is not zero, it is inclined through liquid crystal
Corner switching can make glasses diopter switch.In the technical scheme, it is poor that double diopters are givenLiquid crystal is two-fold
Rate, the first interface curvature radius and second contact surface radius of curvature relationship are penetrated, user is facilitated to determine the first eyeglass substrate and the second mirror
The parameter of plate base, solving speed is fast, and solving precision is high.
Furthermore, the step S1 includes:
S11, basis are poor to double diopters with eyeglassThe determining birefringence difference Δ n for using liquid crystal, and according toSolve the first curvature radius r of the liquid crystal layer1With second curvature radius r2；
S12, the first diopter for solving the liquid crystal layerWith the second diopterFirst diopterMeetSecond diopterMeet
S13, basis are described to the diopter with the total diopter of eyeglass and liquid crystal layer, determine the first eyeglass substrate and the second mirror
The diopter of plate base, and select the first eyeglass substrate and the second eyeglass substrate；
S14, pass through coating process, plating sets first electrode and second respectively on the first eyeglass substrate and the second eyeglass substrate
Electrode.
In the technical scheme, the primary demand to get the right lensses for one's eyeglasses is treated according to user, it will usually be arranged several wait match eyeglass
Double diopters are poorIt determines liquid crystal layer parameter, and further chooses suitable eyeglass substrate.Factory needs to obtain from raw material storage
Existing substrate parameter is purchased, the first eyeglass substrate required for obtaining and the second eyeglass substrate.In the technical solution
In, the method for how determining substrate parameter is given, using this method, can quickly and efficiently select required substrate.
Furthermore, in the step S3, each support column height diMeetThe d0For the liquid crystal thickness on main optical axis direction
Degree, θi1For the angle of support column placement position and primary optical axis.
In the technical scheme, support column height is set, on the one hand supports the first eyeglass substrate and the second mirror
Space between plate base forms liquid crystal layer, effective to realize double diopters；On the other hand it is set by different location reasonable
Highly, guarantee each position can obtain good effect of correcting defects of vision.
Furthermore, the first eyeglass substrate is also used to polish and adjust the first dioptric of double diopter lens
Angle value；The key light curvature shaft radius r at the 5th interface of the second eyeglass substrate5With the key light curvature shaft radius r at the 6th interface6
It is equal.
In the technical scheme, can be by being also used to polish to the first eyeglass substrate, and diopter is adjusted, it realizes to glasses
The fine tuning of degree, more accurately to correct defects of vision.Meanwhile in the technical scheme, the 5th interface of the second eyeglass substrate
Key light curvature shaft radius r5With the key light curvature shaft radius r at the 6th interface6Equal, i.e. the diopter of the second eyeglass substrate is zero, this
When, the second eyeglass substrate only serves the effect of a formation liquid crystal sheaf space, light do not reflected, and liquid crystal layer and the first mirror
Plate base realizes dioptric effect, the beneficial effect is that, simplify the processing cost of the second eyeglass substrate.
The beneficial effects of the present invention are: the present invention utilizes liquid crystal birefringence principle, double diopter glasses are manufactured, realize liquid crystal
Two kinds of diopters are changeable, and the different zones of glasses are without interval, specious, no prism chattering.Meanwhile this hair
It is bright to be corrected for pseudo-myopia, high degree glasses are switched to when family observation distant place scenery can be used, are cut when observing nearby scenery
The low powered posterior chamber glasses changed, to improve user's eyesight.Include in step S1-S6 of the present invention photoetching process, liquid crystal fill process,
Halftone technique generally uses large scale equipment, needs to produce in the factory, while factory's batch production also can be improved yield rate,
Reduce production cost.In addition, between fitting frame and substrate edges, there are gaps, convenient for eyeglass to be mounted on frame.
Detailed description of the invention
Fig. 1 is the flow diagram of a specific embodiment of the invention；
Fig. 2 is a kind of Bifocal lenses structural schematic diagram in the prior art；
Fig. 3 is the structural schematic diagram of a specific embodiment of the invention；
Fig. 4 is the alignment structure of liquid crystal schematic diagram in a specific embodiment of the invention；
Fig. 5 is the alignment structure of liquid crystal schematic diagram in another specific embodiment of the present invention；
Fig. 6 is structural schematic diagram of the liquid crystal under electric field action in a specific embodiment of the invention；
Fig. 7 is the eyeglass geometric parameter schematic diagram in a specific embodiment of the invention；
Fig. 8 is the eyeglass geometric parameter schematic diagram in another specific embodiment of the present invention.
Specific embodiment
Double light presbyopic glasses, double light spectacles may be implemented in the present invention, and eyeglass lens surface is smooth, no prior art eyeglass
Prism chattering, it is specious the advantages that, present invention will be further explained below with reference to the attached drawings and examples:
As shown in figures 1-8, in the first embodiment of the invention, a kind of manufacturing method of double diopter glasses is disclosed, it is described
Double diopter glasses include mirror holder and double diopter lens；Double diopter lens from human eye view direction successively include the first mirror
Plate base, 102 layers of first electrode, the first both alignment layers 103, liquid crystal layer 104, the second both alignment layers 105,106 layers of second electrode, second
Eyeglass substrate；Several support columns 109, the liquid crystal layer are provided between the first eyeglass substrate and the second eyeglass substrate
104 surroundings are provided with fitting frame 108；Double diopter lens can be switched to the first diopter and the second diopter, institute
Manufacturing method is stated to include the following steps:
It is S1, poor according to the birefringence difference Δ n of liquid crystal and double diopters of double diopter lensSelection the
One eyeglass substrate 101 and the second eyeglass substrate 107；By coating process, in the first eyeglass substrate 101 and the second eyeglass substrate
Plating sets first electrode 102 and second electrode 106 respectively on 107；
S2, alignment liquid is imprinted by version ketone, and toasted, in the first eyeglass substrate 101 and the second eyeglass substrate 107
Upper formation high molecular polymer alignment film, the alignment direction of the alignment film is configured by ultraviolet light；
S3, in such a way that drop coating perhaps immerses solution in the first eyeglass substrate 101 or the second eyeglass substrate
It is coated with photoresist liquid on 107, rotates the first eyeglass substrate 101 or the second eyeglass substrate 107 forms photoresist layer；Utilize exposure mask
Version is exposed, and developed, curing process forms support column 109；It is provided on the mask plate and 109 phase of support column
Corresponding exposure hole, the size of the exposure hole and the height of the support column 109 are positively correlated；
S4, by screen printing process, on the second eyeglass substrate 107 or the first eyeglass substrate 101 printing with
The corresponding frame adhesive of frame, and carry out precuring；
S5, the first eyeglass substrate 101, the second eyeglass substrate 107 are set in vacuum chamber, in first eyeglass
Instil a certain amount of liquid crystal on substrate 101 or the second eyeglass substrate 107, and the second eyeglass substrate 107 is described in fitting in
On first eyeglass substrate, the liquid crystal is filled just by the first eyeglass substrate 101, the second eyeglass substrate 107 and fitting frame
108 liquid crystal layers 104 constituted；
S6, the frame adhesive of the step S5 device generated is solidified, and is cut into the formation to match with the frame
Double diopter lens；
S7, basis parameter to be got the right lensses for one's eyeglasses, select double diopter lens, and to the first eyeglass substrate 101 or the
Two eyeglass substrates 107 are polished, and the diopter of double diopter lens is corrected；
S8, double diopter lens are installed on the mirror holder.
It is noted that in the present embodiment, step S1-S6 is processed in spectacles factory, yield rate is improved, reduction is produced into
This, optist only needs to polish on final lens product, be finely adjusted to diopter.
In the step S2, first both alignment layers 103 and the second both alignment layers 105 are obtained using light orientation, described
Liquid crystal layer 104 uses negative liquid crystal；When double diopter lens are in first state, the negative liquid crystal is along the orientation side
To arrangement；When double diopter lens are in the second state, the negative liquid crystal is along electric field alignment, as shown in Figure 6.
In the present embodiment, in the step S2, the alignment direction is along double ametropia lens key light axis directions.Such as figure
It is in the present embodiment, alignment direction is along double ametropia lens key light axis directions, and liquid crystal is under the influence of both alignment layers, in vertical shown in 4
Arrangement.
It is noted that as shown in figure 5, in an alternative embodiment of the invention, in the step S2, the orientation side
To for along 101 radial direction of the first eyeglass substrate, liquid crystal is under both alignment layers effect, along the radial row of the first eyeglass substrate 101
Cloth.In another embodiment, alignment direction is arranged along the radial direction of the second eyeglass substrate 107.
As shown in figure 3, in the present embodiment, the fitting frame 108 and 101 edge of the first eyeglass substrate there are
Away from, there are spacing with 107 edge of the second eyeglass substrate for the fitting frame 108, and formed with the fitting frame 108,
The mounting groove that first eyeglass substrate 101, the second eyeglass substrate 107 are constituted, the mounting groove are used for double diopter lens
It is installed on the frame of the glasses.
In the present embodiment, step S6 includes: that the step S5 double diopter lens obtained are set under ultraviolet lamp,
The liquid crystal region that double diopter lens are blocked with hood carries out uv-exposure to the frame adhesive；The frame adhesive exists
It can be cured under ultraviolet light irradiation.
It is noted that the dropped amount of liquid crystal is actually consistent with the volume of liquid crystal layer 104, i.e. the calculating of amount of liquid crystal
It is to be determined according to the volume in 104 space of liquid crystal layer formed between the first eyeglass substrate 101 and the second eyeglass substrate 107 at this
In embodiment, first according to the design parameter of liquid crystal layer 104, obtains 104 volume of liquid crystal layer and conversed by the density of liquid crystal
Then the quality of dispenser method controls equipment dispenser method again.
In the present embodiment, at least one interface is arcuate structure in two interfaces of liquid crystal layer 104；Double diopters
For eyeglass for correcting defects of vision, the double diopters of double diopter lens between the first state and a second state are poor
The ns1For 104 refractive index of liquid crystal layer under first state, the ns2For 104 folding of liquid crystal layer under the second state
Penetrate rate, the ns1≠ns2, andThe r1For the radius of curvature of the primary optical axis at 104 first interface of liquid crystal layer,
r2For the radius of curvature of the primary optical axis of 104 second contact surface of liquid crystal layer, the r1> 0, the r2> 0；If the liquid crystal layer 104
First interface is concave surface, then the α=- 1；If the first interface of the liquid crystal layer 104 is plane, α=0；If described
First interface of liquid crystal layer 104 is convex surface, then α=1；If the second contact surface of the liquid crystal layer 104 is concave surface, the β
=-1；If the second contact surface of the liquid crystal layer 104 is plane, β=0；If the second contact surface of the liquid crystal layer 104 is convex
Face, then β=1.
In the present embodiment, step S1 includes:
S11, basis are poor to double diopters with eyeglassThe determining birefringence difference Δ n for using liquid crystal, and according toSolve the first curvature radius r of the liquid crystal layer 1041With second curvature radius r2；
S12, the first diopter for solving the liquid crystal layer 104With the second diopterFirst diopterIt is full
FootSecond diopterMeet
S13, basis are described to the diopter with the total diopter of eyeglass and liquid crystal layer 104, determine 101 He of the first eyeglass substrate
The diopter of second eyeglass substrate 107, and select the first eyeglass substrate 101 and the second eyeglass substrate 107；
S14, pass through coating process, plating sets first electrode respectively on the first eyeglass substrate 101 and the second eyeglass substrate 107
102 and second electrode 106.
It is noted that in actual production, spectacles factory can produce the eyeglass substrate of several models, these eyeglass bases
Plate has different diopters, and the radius of curvature at the two sides interface of eyeglass substrate is not also identical, so as to optist's apolegamy.So
It selects eyeglass substrate essence namely to select each layer of glasses of radius of curvature, can there is the derivation of equation.
In addition, in the present embodiment, in the step S3, each 109 height d of support columniMeetThe d0For the liquid crystal layer on main optical axis direction
104 thickness, θi1For the angle of support column 109 placement position and primary optical axis.
It is noted that in the present embodiment, the height of support column 109 is related to exposure pore size, specifically giving birth to
In production, needs debug according to specific equipment and designed mask version, photoresist are negativity photoetching material, exposure area is solid
Change, when exposure hole is bigger, light exposure is bigger, then 109 height of support column formed is also higher.
In an alternate embodiment of the invention, the first eyeglass substrate 101 and the second eyeglass substrate 107 may be used to polish and adjust
Eyeglass degree, also, the two sides radius of curvature of the first eyeglass substrate 101 can be equal, the two sides curvature of the second eyeglass substrate 107
Radius can be equal, and the dioptric component by liquid crystal layer 104 as operation.That is two interface songs of the first eyeglass and the second eyeglass
Rate radius is equal, and the first eyeglass and the second eyeglass do not reflect light, diopter 0, and only liquid crystal layer 104 has dioptric
Degree.
Preferably, in the present embodiment, the first eyeglass substrate 101 is also used to polish and adjust double diopter lens
First dioptric optical value；The key light curvature shaft radius r at the 5th interface of the second eyeglass substrate 1075With the key light at the 6th interface
Curvature shaft radius r6It is equal.
It is illustrated below with the example that specifically gets the right lensses for one's eyeglasses.
Example 1, as shown in fig. 7, user need to be equipped with the myopia that normality degree is 200 degree, the second state degree is 150 degree
Mirror, i.e. the first diopter are -2D, and the second diopter is -1.5D, and double diopter differences are -0.5D.In figure, it is respectively from bottom to top
First eyeglass substrate 101, liquid crystal layer 104, the second eyeglass substrate 107.Wherein, the also useful throwing in 101 lower surface of the first eyeglass substrate
Light finely tunes eyeglass degree, and the upper and lower interface radius of curvature of the second eyeglass substrate 107 is identical, diopterIt is 0.
The optical texture of liquid crystal layer 104 selects concave and convex lenses form, α=- 1, β=1；After being selected due to liquid crystal material, liquid
Brilliant birefringence and birefringence difference determines that, it is assumed that, the first refractive index of liquid crystal is 1.8, and the second refractive index is 1.3,
Second curvature radiusAccording toR can be obtained2=0.5m.
According toAcquire the first state diopter of liquid crystal layer 104
According toAcquire the second state diopter of liquid crystal layer 104
According toAcquire the diopter of the first eyeglass substrate 101Need
It chooses diopter and is the second eyeglass substrate 107 of -1.0D, and the lower surface of the second eyeglass substrate 107 is processed by shot blasting,
To adjust degree.
About 109 parameter problem of support column, as shown in fig. 7, can be obtained according to geometrical relationship, the support column 109 of each region
HighlyWherein, d0It is carried out according to optist's experience
Setting, general value range are 50 μm -100 μm.It is noted that in this example, 104 first interface of liquid crystal layer is recessed
Shape, α=- 1, second contact surface are convex, β=1, in fact, 109 height of support column
Example 2, as shown in figure 8, user need to be equipped with the presbyopia that normality degree is 100 degree, the second state degree is 50 degree
Mirror, i.e. the first diopter are+1D, and the second diopter is+0.5D, and double diopter differences are 0.5D.In figure, from bottom to top respectively
One eyeglass substrate 101, liquid crystal layer 104, the second eyeglass substrate 107.Wherein, the also useful polishing in 101 lower surface of the first eyeglass substrate
Eyeglass degree is finely tuned, the upper and lower interface radius of curvature of the second eyeglass substrate 107 is identical, diopterIt is 0.
The optical texture of liquid crystal layer 104 selects biconvex mirror form, α=1, β=1；It is selected using due to liquid crystal material
Afterwards, the birefringence of liquid crystal and birefringence difference determine that, it is assumed that, the first refractive index of liquid crystal is 1.8, and the second refractive index is
1.3, second curvature radiusAccording toIt can obtain
According toAcquire the first state diopter of liquid crystal layer 104
According toAcquire the second state diopter of liquid crystal layer 104
According toAcquire the diopter of the first eyeglass substrate 101Need
The eyeglass substrate of diopter+0.5D is selected, and is processed by shot blasting, adjustment diopter is+0.2D.
About 109 parameter problem of support column, as shown in figure 8, can be obtained according to geometrical relationship, 109 height of support column of each regionWherein, d0It is set according to optist's experience, one
As value range be 50 μm -100 μm.It is noted that in this example, 104 first interface of liquid crystal layer is convex, α=1, second
Interface is convex, β=1, in fact, 109 height of support column
It is noted that the diopter difference in double diopter glasses is met the requirements, and in the present invention, the thickness of liquid crystal layer
(10 times) higher than the support column of traditional liquid crystal display can shadow if first do support column technique does orientation layer process again
The orientation of both alignment layers is rung, so, in the present embodiment, first manufactures both alignment layers and remanufacture support column.
The working principle of the invention: not applying voltage in electrode, and under both alignment layers effect, liquid crystal deflects, eyeglass
Diopter be the first diopter；In the case where electrode applies voltage condition, influenced by electric field, liquid crystal deflects, the dioptric of eyeglass
Degree is the second diopter.Certainly, switch, user oneself adjustment can be arranged in double diopter glasses provided by the invention on glasses.
Also range-measuring circuit can be set, detectable substance is away from glasses itself adjust double diopters.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of manufacturing method of double diopter glasses, double diopter glasses include mirror holder and double diopter lens；It is described double
Diopter lens from human eye view direction successively include the first eyeglass substrate, first electrode layer, the first both alignment layers, liquid crystal layer,
Two both alignment layers, the second electrode lay, the second eyeglass substrate；It is provided between the first eyeglass substrate and the second eyeglass substrate several
A support column, the liquid crystal layer surrounding are provided with fitting frame；It is characterized in that, double diopter lens can be switched to
One diopter and the second diopter, the manufacturing method include the following steps:
It is S1, poor according to the birefringence difference Δ n of liquid crystal and double diopters of double diopter lensSelect the first mirror
Plate base and the second eyeglass substrate；By coating process, plating sets first respectively on the first eyeglass substrate and the second eyeglass substrate
Electrode and second electrode；
S2, alignment liquid is imprinted by version ketone, and toasted, forms high score on the first eyeglass substrate and the second eyeglass substrate
Sub- polymer alignment configures the alignment direction of the alignment film by ultraviolet light；
S3, in such a way that drop coating perhaps immerses solution on the first eyeglass substrate or the second eyeglass substrate Tu Buguang
Blocking solution, rotates the first eyeglass substrate or the second eyeglass substrate forms photoresist layer；It is exposed using mask plate, and through aobvious
Shadow, curing process form support column；Exposure hole corresponding with the support column, the exposure hole are provided on the mask plate
Size and the height of the support column be positively correlated；
S4, pass through screen printing process, printed on the second eyeglass substrate or the first eyeglass substrate corresponding with frame
Frame adhesive, and carry out precuring；
S5, the first eyeglass substrate, the second eyeglass substrate are set in vacuum chamber, in the first eyeglass substrate or second
Instil a certain amount of liquid crystal on eyeglass substrate, described by the second eyeglass substrate in fitting on the first eyeglass substrate
Liquid crystal fills the liquid crystal layer being made of the first eyeglass substrate, the second eyeglass substrate and fitting frame just；
S6, the frame adhesive of the step S5 device generated is solidified, and it is double in the wrong to be cut into the formation to match with the frame
Luminosity eyeglass；
S7, basis parameter to be got the right lensses for one's eyeglasses, select double diopter lens, and to the first eyeglass substrate or the second eyeglass base
Plate is polished, and the diopter of double diopter lens is corrected；
S8, double diopter lens are installed on the mirror holder.
2. a kind of manufacturing method of double diopter glasses as described in claim 1, it is characterised in that: in the step S2,
First both alignment layers and the second both alignment layers are obtained using light orientation, and the liquid crystal layer uses negative liquid crystal；When described double in the wrong
Luminosity eyeglass is in first state, and the negative liquid crystal is arranged along the alignment direction；When double diopter lens are in the
Two-state, the negative liquid crystal is along electric field alignment.
3. a kind of manufacturing method of double diopter glasses as claimed in claim 2, it is characterised in that: in the step S2,
The alignment direction is along double ametropia lens key light axis directions.
4. a kind of manufacturing method of double diopter glasses as claimed in claim 2, it is characterised in that: in the step S2,
The alignment direction is along the first eyeglass substrate or the second eyeglass substrate radial direction.
5. a kind of manufacturing method of double diopter glasses as described in claim 1, it is characterised in that: the fitting frame and institute
The first eyeglass substrate edges are stated there are spacing, there are spacing with the second eyeglass substrate edges for the fitting frame, and are formed
With the mounting groove that the fitting frame, the first eyeglass substrate, the second eyeglass substrate are constituted, the mounting groove is used for will be described double in the wrong
Luminosity eyeglass is installed on the frame of the glasses.
6. a kind of manufacturing method of double diopter glasses as described in claim 1, which is characterized in that the step S6 includes:
The step S5 double diopter lens obtained are set under ultraviolet lamp, the liquid of double diopter lens is blocked with hood
Crystalline region domain carries out uv-exposure to the frame adhesive；The frame adhesive can be cured under ultraviolet light irradiation.
7. a kind of manufacturing method of double diopter glasses as described in claim 1, it is characterised in that: two of the liquid crystal layer
At least one interface is arcuate structure in interface；For correcting defects of vision, double diopter lens exist double diopter lens
Double diopters between first state and the second state are poor
The ns1For the liquid crystal layer refractive index under first state, the ns2For the liquid crystal layer refractive index under the second state, the ns1
≠ns2, andThe r1For the radius of curvature of the primary optical axis at the first interface of liquid crystal layer, r2For liquid crystal layer second
The radius of curvature of the primary optical axis at interface, the r1> 0, the r2> 0；If the first interface of the liquid crystal layer is concave surface, described
α=- 1；If the first interface of the liquid crystal layer is plane, α=0；If the first interface of the liquid crystal layer is convex surface,
α=1；If the second contact surface of the liquid crystal layer is concave surface, the β=- 1；If the second contact surface of the liquid crystal layer is flat
Face, then β=0；If the second contact surface of the liquid crystal layer is convex surface, β=1.
8. a kind of manufacturing method of double diopter glasses as claimed in claim 7, which is characterized in that the step S1 includes:
S11, basis are poor to double diopters with eyeglassThe determining birefringence difference Δ n for using liquid crystal, and according toSolve the first curvature radius r of the liquid crystal layer1With second curvature radius r2；
S12, the first diopter for solving the liquid crystal layerWith the second diopterFirst diopterMeetSecond diopterMeet
S13, basis are described to the diopter with the total diopter of eyeglass and liquid crystal layer, determine the first eyeglass substrate and the second eyeglass base
The diopter of plate, and select the first eyeglass substrate and the second eyeglass substrate；
S14, pass through coating process, plating sets first electrode and the second electricity respectively on the first eyeglass substrate and the second eyeglass substrate
Pole.
9. a kind of manufacturing method of double diopter glasses as described in claim 1, it is characterised in that: in the step S3,
Each support column height diMeetThe d0
For the thickness of liquid crystal layer on main optical axis direction, θi1For the angle of support column placement position and primary optical axis.
10. a kind of manufacturing method of double diopter glasses as described in claim 1, it is characterised in that: the first eyeglass base
Plate is also used to polish and adjust the first dioptric optical value of double diopter lens；5th interface of the second eyeglass substrate
Key light curvature shaft radius r5With the key light curvature shaft radius r at the 6th interface6It is equal.
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| CN201711149644.7A CN107797305B (en) | 2017-11-18 | 2017-11-18 | A kind of manufacturing method of double diopter glasses |
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| CN201711149644.7A CN107797305B (en) | 2017-11-18 | 2017-11-18 | A kind of manufacturing method of double diopter glasses |
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|---|---|---|---|---|
| CN202013457U (en) * | 2011-04-19 | 2011-10-19 | 王百强 | Glasses for curing myopia |
| CN203084335U (en) * | 2012-12-31 | 2013-07-24 | 马楠 | Double-diopter spectacles |
| CN105259656A (en) * | 2015-09-10 | 2016-01-20 | 上海理鑫光学科技有限公司 | Augmented reality glasses with diopter glasses effect |
| CN206002789U (en) * | 2016-07-19 | 2017-03-08 | 上海根植企业管理咨询有限公司 | A kind of half progressive lens and contain its glasses |
| CN206311862U (en) * | 2016-12-19 | 2017-07-07 | 苏州苏大明世光学股份有限公司 | A kind of eyeglass is the glasses of personalized progressive additional |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202013457U (en) * | 2011-04-19 | 2011-10-19 | 王百强 | Glasses for curing myopia |
| CN203084335U (en) * | 2012-12-31 | 2013-07-24 | 马楠 | Double-diopter spectacles |
| CN105259656A (en) * | 2015-09-10 | 2016-01-20 | 上海理鑫光学科技有限公司 | Augmented reality glasses with diopter glasses effect |
| CN206002789U (en) * | 2016-07-19 | 2017-03-08 | 上海根植企业管理咨询有限公司 | A kind of half progressive lens and contain its glasses |
| CN206311862U (en) * | 2016-12-19 | 2017-07-07 | 苏州苏大明世光学股份有限公司 | A kind of eyeglass is the glasses of personalized progressive additional |
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