CN107203040A - The processing method of head-wearing display device and its eyepiece optical system - Google Patents
The processing method of head-wearing display device and its eyepiece optical system Download PDFInfo
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- CN107203040A CN107203040A CN201610156562.4A CN201610156562A CN107203040A CN 107203040 A CN107203040 A CN 107203040A CN 201610156562 A CN201610156562 A CN 201610156562A CN 107203040 A CN107203040 A CN 107203040A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 208
- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 238000009966 trimming Methods 0.000 claims abstract description 186
- 238000012545 processing Methods 0.000 claims abstract description 52
- 238000009738 saturating Methods 0.000 claims description 10
- 230000014509 gene expression Effects 0.000 claims description 4
- 210000000162 simple eye Anatomy 0.000 claims description 3
- 210000003128 head Anatomy 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 14
- 230000004304 visual acuity Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000003466 anti-cipated effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- Optics & Photonics (AREA)
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Abstract
The present invention relates to the processing method of head-wearing display device and its eyepiece optical system, including the eyepiece optical system and display screen being correspondingly arranged；The corresponding length of the effective display picture of display screen is with width ratio scope：1:1-16:3, eyepiece optical system includes one or more lens；The broadside of the lens of at least one in eyepiece optical system is to carry out the broadside after trimming processing, and the reservation size minimum value and the maximum effectively optical aperture ratio range of lens after lens broadside trimming are：0.22-0.66.The present invention program carries out trimming by the broadside to lens, the length for retaining its long side is constant, so that eyepiece optical system overall weight mitigates, and easy processing and assembling, simultaneously eyepiece optical system can be ensured in the case where meeting the optical properties such as the big angle of visual field, hi-vision resolving power, low distortion, the small curvature of field, small size so that head-wearing display device product is worn more comfortable.
Description
Technical field
The present invention relates to optical technical field, more specifically to a kind of head-wearing display device and its eyepiece
The processing method of optical system.
Background technology
As electronic device constantly develops to ultraminiaturization, and new computer, microelectronics, photoelectric device
With the development of communication theory and technology, wearable computing is this based on " people-oriented " " people computer system "
New ant algorithms have become possibility.Being continued to bring out in fields such as military, industry, medical treatment, education, consumption should
With.In a typical wearable computing system framework, head-mounted display apparatus is crucial part.
Head-wearing display device is by optical technology, and by miniature image display, (such as transmission-type or reflection type liquid crystal show
Display screen, organic electroluminescence device, DMD device) video image light that sends is directed to the pupil of user,
Realize virtual, enlarged drawing in the nearly mesh scope of user, for user provide directly perceived, visual image,
Video, text information.Eyepiece optical system is the core of head-wearing display device, and realization shows miniature image
The function of virtual enlarged drawing is formed before human eye.
Head-wearing display device is lightweight towards volume compact, is easy to wear, and mitigates the directions such as load and develops.
Meanwhile, the experience of the big angle of visual field and euphorosia be increasingly becoming weigh head-wearing display device it is good and bad it is crucial because
Element, the big angle of visual field determines the visual experience effect of high telepresenc, high as matter, low distortion determine vision body
The comfort level tested.These requirements are met, it is necessary to which eyepiece optical system realizes the big angle of visual field, Gao Tu as much as possible
As indexs such as resolving power, low distortion, the small curvature of field, small sizes, while meeting above-mentioned optical property to system
It is very big challenge that design and aberration, which optimize,.
When processing eyepiece optical system, the size according to screen size is generally required to eyepiece optical system
Trimming processing is carried out, is still ensured that in the case where meeting above-mentioned optical property, mitigates eyepiece opticses system as far as possible
The weight and volume of system so that head-wearing display device product is worn more comfortable.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of optics
Performance is good, volume compact, lightweight, machinability are good aobvious with wearing for broadside trimming eyepiece optical system
Showing device.
The technical solution adopted for the present invention to solve the technical problems is：
Construct a kind of head-wearing display device, including the eyepiece optical system and display screen being correspondingly arranged；It is described aobvious
The corresponding length of the effective display picture of display screen is with width ratio scope：1:1-16:3, the eyepiece opticses system
System at least includes one or more pieces lens；Wherein, the broadside of at least a piece of lens is to carry out trimming
Reservation size minimum value and the maximum of the lens after broadside after processing, and the lens broadside trimming have
Imitating optical aperture ratio range is：0.22-0.66.
Head-wearing display device of the present invention, wherein, the long side of at least a piece of lens is to carry out
Long side after trimming processing, and it is that corner is arc-shaped to carry out the front view of the lens after long side trimming
Rectangle；
When it is 1.03-1.1 that the lens external diameter is with maximum effective optical aperture ratio, the length of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after the trimming of side are：It is more than
0.80。
Head-wearing display device of the present invention, wherein, the long side of at least a piece of lens is to carry out
Long side after trimming processing, and it is that corner is arc-shaped to carry out the front view of the lens after long side trimming
Rectangle；
When it is more than 1.1 that the lens external diameter is with maximum effective optical aperture ratio, the long side of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after trimming are：It is more than
0.9。
Head-wearing display device of the present invention, wherein, the corresponding length of the effective display picture of display screen
It is 16 with width ratio:16, reservation size minimum value and the lens after the broadside trimming of the lens
Maximum effectively optical aperture ratio range is：More than 0.66；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.80.
Head-wearing display device of the present invention, wherein, the corresponding length of the effective display picture of display screen
It is 16 with width ratio:12, reservation size minimum value and the lens after the broadside trimming of the lens
Maximum effectively optical aperture ratio is：More than 0.57；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.87.
Head-wearing display device of the present invention, wherein, the corresponding length of the effective display picture of display screen
It is 16 with width ratio:10, reservation size minimum value and the lens after the broadside trimming of the lens
Maximum effectively optical aperture ratio range is：More than 0.51；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.91.
Head-wearing display device of the present invention, wherein, the corresponding length of the effective display picture of display screen
It is 16 with width ratio:9, reservation size minimum value and the lens after the broadside trimming of the lens
Maximum effectively optical aperture ratio range is：More than 0.47；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.93.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes two panels lens, point
It is not：First lens and the second lens；Wherein,
The broadside of first lens is to carry out the broadside after trimming processing；
The broadside of second lens is to carry out the broadside after trimming processing, while the length of second lens
While for carry out trimming processing after it is long while.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes three lens, point
It is not：First lens, the second lens and the 3rd lens；Wherein,
The broadside of first lens, the second lens and the 3rd lens is to carry out the broadside after trimming processing, simultaneously
First lens, the second lens and the 3rd lens it is long while to carry out long after trimming processing.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes four lens, point
It is not：4th lens, the 5th lens, the 6th lens and the 7th lens；Wherein,
4th lens, the 5th lens, the broadside of the 6th lens and the 7th lens are to carry out at trimming
Broadside after reason.
Head-wearing display device of the present invention, wherein, the head-wearing display device wears display dress to be simple eye
Put, including：
One eyepiece optical system；With a display screen corresponding with the eyepiece optical system.
Head-wearing display device of the present invention, wherein, the head-wearing display device is that eyes wear display dress
Put, including：
One left eye eyepiece optical system；With left eye corresponding with the left eye eyepiece optical system shows
Display screen；
One right eye eyepiece optical system；With right eye corresponding with the right eye eyepiece optical system shows
Display screen.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes：
Along coaxial the first lens being arranged in order of optical axis direction, the second lens and the 3rd lens, wherein first is saturating
Mirror close to human eye side, the 3rd lens close to image source side, image source light successively by the 3rd lens, the second lens,
First lens are watched by human eye；
The combination focal power of first lens and the second lens composition is on the occasion of and the second lens are close to image source
The surface of side is convex to image source direction；
Two optical surface curvature directions of the 3rd lens are identical, concave towards image source direction.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes：
Including from eye-observation side to display screen side along coaxial the first lens group being arranged in order of optical axis direction and
Second lens group, and the effective focal length of first lens group is negative value, effective Jiao of second lens group
Away from on the occasion of；
First lens group is made up of two panels lens, the 4th lens of human eye side is proximate to respectively and away from people
5th lens of eye side, and the 4th lens are the positive lens of biconvex shape, the 4th lens are negative saturating
Mirror；Optical surface of 5th lens close to human eye side concaves towards human eye side, and radius of curvature is negative value；
Second lens group is made up of one or more pieces lens, wherein second lens set at least include with
The 6th lens of the first lens group neighbour, and including the 7th lens, the 6th lens are positive lens,
7th lens are located between the 6th lens and display screen side.
Head-wearing display device of the present invention, wherein, the eyepiece optical system includes：Including from human eye
Observation side is to display screen side along coaxial the first lens group and the second lens group being arranged in order of optical axis direction, and institute
The effective focal length for stating the first lens group is negative value, the effective focal length of second lens group be on the occasion of；
First lens group is made up of two panels lens, the 8th lens of human eye side is proximate to respectively and away from people
9th lens of eye side, and the 8th lens are the positive lens of biconvex shape, the 9th lens are negative saturating
Mirror；Second lens group is made up of one or more pieces lens, wherein second lens set at least include with
The tenth lens of the first lens group neighbour, the tenth lens are positive lens；
Second lens group also includes the 11st lens and the 12nd lens, the tenth lens, the 11st lens
It is arranged in order with the 12nd lens by from human eye side to miniscope side；
11st lens are located between the tenth lens and display screen side.
Present invention also offers a kind of processing method of foregoing head-wearing display device eyepiece optical system,
Wherein, comprise the following steps：
Trimming processing is carried out to the broadside of the head-wearing display device lens；
Wherein, the reservation size minimum value after the broadside trimming of the lens and the maximum effectively light of the lens
Learning aperture ratio range is：0.22-0.66；The corresponding length of the effective display picture of display screen and width
Proportion is：1:1-16:3.
Processing method of the present invention, wherein, the reservation size after the broadside trimming of the lens is D,
Reservation size after the long side trimming of the lens is E, and external diameter is B before the eyepiece optical system processing；
Wherein, B, D, E meet following relational expression (3)：
(3)；
When E/B value is more than 0.92, the not long side trimming of carry out to the eyepiece optical system is handled.
Processing method of the present invention, wherein, further comprise step：It is saturating to the head-wearing display device
The long side of mirror carries out trimming processing；Wherein,
When it is 1.03-1.1 that the lens external diameter is with maximum effective optical aperture ratio, the length of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after the trimming of side are：It is more than
0.80；
Or further comprise step：Trimming processing is carried out to the long side of the head-wearing display device lens；Its
In,
When it is more than 1.1 that the lens external diameter is with maximum effective optical aperture ratio, the long side of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after trimming are：It is more than
0.9。
The beneficial effects of the present invention are：By according to the cutting method set, being carried out to the broadside of lens
Trimming, or trimming is carried out to its long side simultaneously so that eyepiece optical system overall weight mitigates, and easily adds
Work and assembling, at the same can ensure eyepiece optical system meet the big angle of visual field, hi-vision resolving power, low distortion,
In the case of the optical properties such as the small curvature of field, small size so that head-wearing display device is worn more comfortable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below in conjunction with attached
The invention will be further described for figure and embodiment, and drawings in the following description are only that the part of the present invention is real
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings：
Fig. 1 is the broadside trimming schematic diagram of the head-wearing display device of present pre-ferred embodiments；
Fig. 2 is the eyepiece opticses system after broadside trimming of the head-wearing display device of present pre-ferred embodiments
System Facad structure view；
Fig. 3 is the eyepiece opticses system after broadside trimming of the head-wearing display device of present pre-ferred embodiments
The three-dimensional assembling schematic diagram of multiple lens in system；
Fig. 4 is the head-wearing display device of present pre-ferred embodiments through the eyepiece opticses system before broadside trimming
System light path schematic diagram；
Fig. 5 is the eyepiece opticses system after broadside trimming of the head-wearing display device of present pre-ferred embodiments
System light path schematic diagram；
Fig. 6 be the head-wearing display device of present pre-ferred embodiments broadside and long side simultaneously trimming mode show
It is intended to one；
Fig. 7 is the head-wearing display device of present pre-ferred embodiments after broadside and the trimming simultaneously of long side
Eyepiece optical system Facad structure view one；
Fig. 8 is the head-wearing display device of present pre-ferred embodiments after broadside and the trimming simultaneously of long side
Eyepiece optical system stereochemical structure view one；
Fig. 9 is the eyepiece optical system light path schematic diagram shown in Fig. 7 and Fig. 8；
Figure 10 be the head-wearing display device of present pre-ferred embodiments broadside and long side simultaneously trimming mode show
It is intended to two；
Figure 11 is the head-wearing display device of present pre-ferred embodiments after broadside and the trimming simultaneously of long side
Eyepiece optical system Facad structure view two；
Figure 12 is that the eyepiece optical system after broadside and the trimming simultaneously of long side of present pre-ferred embodiments is stood
Body topology view two；
Figure 13 is present pre-ferred embodiments through the eyepiece optical system light before broadside and the trimming simultaneously of long side
Road schematic diagram；
Figure 14 is the eyepiece optical system light after broadside and the trimming simultaneously of long side of present pre-ferred embodiments
Road schematic diagram；
Figure 15 is showing lens progress corner cut processing mode for the head-wearing display device of present pre-ferred embodiments
It is intended to.
Embodiment
In order that the purpose, technical scheme and advantage of the embodiment of the present invention are clearer, below in conjunction with this hair
Technical scheme in bright embodiment carries out clear, complete description, it is clear that described embodiment is this hair
Bright section Example, rather than whole embodiments.Based on embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of creative work is not paid, belongs to the present invention
Protection domain.
The head-wearing display device with broadside trimming eyepiece optical system of present pre-ferred embodiments includes correspondence
The eyepiece optical system and display screen of setting；The corresponding length of the effective display picture of display screen and width ratio model
Enclose for：1:1-16:3；Eyepiece optical system at least includes one or more pieces lens；Wherein, it is at least a piece of
The broadside of lens is to carry out the broadside after trimming processing, and the reservation size minimum value after lens broadside trimming
With lens maximum effectively optical aperture ratio range be：0.22-0.66, including：0.22、0.27、0.32、
0.36、0.40、0.44、0.47、0.51、0.54、0.57、0.59、0.62、0.64、0.66.Or
Further, the corresponding length of the effective display picture of display screen is person with width ratio scope：1:1-2:1；
Eyepiece optical system at least includes one or more pieces lens；Wherein, the broadside of at least a piece of lens is progress
The broadside crossed after trimming processing, and the reservation size minimum value and the maximum of lens after lens broadside trimming are effective
Optical aperture ratio range is：0.44-0.66.
Empirical tests, after trimming is carried out to the broadside of lens so that it retains size minimum value and lens most
Effectively optical aperture ratio range is greatly：0.22-0.66, preferably 0.44-0.66, can not only make eyepiece
The mitigation of optical system overall weight, easy processing and assembling, while can ensure that eyepiece optical system meets big visual field
The optical properties such as angle, hi-vision resolving power, low distortion, the small curvature of field, small size so that head-wearing display device
Wear more comfortable.
Because eyepiece optical system is axial symmetry optical texture, for observing during rectangular display area, there is one
Point thang-kng scope is not to be used effectively, therefore can be according to effective display picture ratio of display screen
The long side of lens and/or broadside are cut, the corresponding light of thang-kng scope that it is not used effectively
Structure division is learned to remove, the optical texture of remainder can still ensure to meet the big angle of visual field, hi-vision resolving power,
The optical property such as low distortion, the small curvature of field, small size.
Fig. 1 shows a kind of broadside trimming mode of head-wearing display device, and two of which parallel dotted lines position is
For excision line, the unbroken circle being relatively large in diameter represents lens original size, and the less unbroken circle of diameter is represented
The maximum of lens effectively optical dimensions.Wherein, A is the maximum effectively optical aperture of lens, and B is outside lens
Footpath, C is that lens fabricate surplus, and D is the reservation size after lens broadside trimming.
Fig. 2 is shown carries out the eyepiece optical system Facad structure after trimming using Fig. 1 trimming mode, schemes
3 show that the trimming mode for using Fig. 1 carries out the three-dimensional assembling structure of the eyepiece optical system after trimming, it is seen that
Wherein lower edges are removed, and the arc of both sides is retained, and is easy to eyepiece optical system in head-wearing display device
In installation fix.Fig. 4 is shown through the eyepiece optical system light path schematic diagram before broadside trimming, can be seen
Go out the whole surface that its light coverage is not related to eyepiece optical system, but a certain rectangle region therein
Domain；Fig. 5 shows the eyepiece optical system light path schematic diagram after broadside trimming, it can be seen that by excision
Part lens, do not influence its light to pass through part, it is ensured that eyepiece optical system meets the big angle of visual field, Gao Tu
As optical properties such as resolving power, low distortion, the small curvature of field, small sizes.
In a further embodiment, it is at least a piece of in the eyepiece optical system of above-mentioned head-wearing display device
Mirror it is long while to carry out long after trimming processing, and it is four to carry out the front view of the lens after long side trimming
Angle is the rectangle of arc-shaped；When it is 1.03-1.1 that lens external diameter is with maximum effective optical aperture ratio, thoroughly
The maximum effectively optical aperture ratio range of reservation size minimum value and lens after the long side trimming of mirror is：Greatly
In 0.80；Or, when it is more than 1.1 that lens external diameter is with maximum effective optical aperture ratio, lens
The maximum effectively optical aperture ratio range of reservation size minimum value and lens after long side trimming is：It is more than
0.9。
Fig. 6 show a kind of head-wearing display device long side and broadside simultaneously trimming mode, wherein two groups are parallel
Dotted line position is respectively long side and broadside excision line, and the unbroken circle being relatively large in diameter represents the original chi of lens
Very little, the less unbroken circle of diameter represents the maximum effectively optical dimensions of lens.Wherein, A be lens most
Big effectively optical aperture, B is lens external diameter, and C is that lens fabricate surplus, and D is that lens carry out broadside
Reservation size after trimming, E represents that lens carry out the reservation size after long side trimming.
The head-wearing display device that Fig. 7 and Fig. 8 respectively illustrate the present invention is carried out in the way of being anticipated shown in Fig. 6
Eyepiece optical system Facad structure and stereochemical structure after broadside and the trimming simultaneously of long side, it can be seen that carry out broadside
It is the rectangle that corner is arc-shaped with the lens after long side trimming.Fig. 9 shows the eyepiece in Fig. 7 and Fig. 8
The index path of optical system a quarter, it can be seen that even if having carried out long side and broadside trimming, its light path 100
Be not affected, still ensure that eyepiece optical system meet the big angle of visual field, hi-vision resolving power, low distortion,
The optical properties such as the small curvature of field, small size.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 16, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.66；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.80.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 15, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.64；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.82.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 14, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.62；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.84.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 13, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.59；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.86.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 12, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio is：More than 0.57；And/or, reservation size minimum value and lens after the long side trimming of lens
Maximum effectively optical aperture ratio range be：More than 0.87.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Proportion is：More than 16:When 11, reservation size minimum value and lens after the broadside trimming of lens are most
Effectively optical aperture ratio range is greatly：More than 0.54；And/or, the reservation chi after the long side trimming of lens
Very little minimum value and the effective optical aperture ratio range of the maximum of lens are：More than 0.89.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 10, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.51；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.91.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 9, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.47；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.93.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 8, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.44；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.94.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 7, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.40；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.96.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 6, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.36；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.98.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 5, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.32；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 0.99.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 4, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.27；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 1.00.
Preferably, in above-mentioned head-wearing display device, in the corresponding length of the effective display picture of display screen and width
Ratio is 16:When 3, the maximum effectively optics of reservation size minimum value and lens after the broadside trimming of lens
Aperture ratio range is：More than 0.22；And/or, reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：More than 1.02.
Figure 10 shows long side and the broadside trimming mode simultaneously of a kind of head-wearing display device, wherein two groups flat
Row dotted line position is respectively long side and broadside excision line, and the unbroken circle being relatively large in diameter represents the original chi of lens
Very little, the less unbroken circle of diameter represents the maximum effectively optical dimensions of lens.Wherein, A be lens most
Big effectively optical aperture, B is lens external diameter, and C is that lens fabricate surplus, and D is that lens carry out broadside
Reservation size after trimming, E represents that lens carry out the reservation size after long side trimming.
Figure 11 and Figure 12 respectively illustrate the head-wearing display device of the present invention in the way of being anticipated shown in Figure 10
Carry out eyepiece optical system Facad structure and stereochemical structure after broadside and the trimming simultaneously of long side, it can be seen that carry out
Lens 30 after broadside and long side trimming are rectangles；Reservation size minimum value after the long side trimming of lens with
Lens maximum effectively optical aperture ratio range be：0.683-0.992.Figure 13 is shown by Fig. 6, figure
10 mode carries out the eyepiece optical system index path before long side and broadside trimming, Figure 14 show by Fig. 6,
Figure 10 mode carries out the eyepiece optical system index path after long side and broadside trimming, it can be seen that even if carrying out
Long side and broadside trimming, its light path 100 are not affected, and still ensure that eyepiece optical system is met big
The optical properties such as the angle of visual field, hi-vision resolving power, low distortion, the small curvature of field, small size.
Preferably, in above-described embodiment, the mode anticipated as shown in Figure 10 carries out trimming processing, and display screen has
It is 16 that the corresponding length of display picture, which is imitated, with width ratio:When 16, the reservation size after the broadside trimming of lens
Minimum value and the effective optical aperture ratio range of the maximum of lens are：More than 0.66；The long side trimming of lens
The maximum effectively optical aperture ratio range of rear reservation size minimum value and lens is：More than 0.683；
Preferably, in above-described embodiment, the mode anticipated as shown in Figure 10 carries out trimming processing, and display screen has
It is 16 that the corresponding length of display picture, which is imitated, with width ratio:When 12, the reservation size after the broadside trimming of lens
Minimum value and the effective optical aperture ratio of the maximum of lens are：More than 0.57；After the long side trimming of lens
Retaining the effective optical aperture ratio range of the maximum of size minimum value and lens is：More than 0.778.
Preferably, in above-described embodiment, the mode anticipated as shown in Figure 10 carries out trimming processing, and display screen has
It is 16 that the corresponding length of display picture, which is imitated, with width ratio:When 10, the reservation size after the broadside trimming of lens
Minimum value and the effective optical aperture ratio range of the maximum of lens are：More than 0.51；The long side trimming of lens
The maximum effectively optical aperture ratio range of rear reservation size minimum value and lens is：More than 0.832.
Preferably, in above-described embodiment, the mode anticipated as shown in Figure 10 carries out trimming processing, and display screen has
It is 16 that the corresponding length of display picture, which is imitated, with width ratio:When 9, the reservation size after the broadside trimming of lens
Minimum value and the effective optical aperture ratio range of the maximum of lens are：More than 0.47；The long side trimming of lens
The maximum effectively optical aperture ratio range of rear reservation size minimum value and lens is：More than 0.860.
In a still further embodiment, trimming processing, the length of lens are carried out by mode illustrated in Figure 15
While to carry out long after trimming processing, the front view of lens is that formed behind corner polygon is cut by rectangle
Shape；Corner cut-out portion is triangle in the front view of lens；Triangle is corresponding with the broadside of lens
The side z1 length of side is designated as F, and the long side corresponding sides z2 of the triangle and lens length of side is designated as G, triangle
The Article 3 side z3 length of side is designated as H, and the corresponding angles of z1 to z3 are ∠ α, the effective display picture pair of display screen
Linea angulata to the long side of display screen active area angle be ∠ β；Wherein, following relational expressions (1) and (2) are met：
∠ α=∠ β=atan (b/a) (1)；
F/D≤0.26 (2)；
In above-mentioned relation formula (1) and (2), a is the corresponding length of the effective display picture of display screen, and b is
The corresponding width of the effective display picture of display screen, D is the reservation size after the broadside trimming of lens.
In each embodiment that the present invention is provided, head-wearing display device can be simple eye head-wearing display device, including：
One eyepiece optical system；With a display screen corresponding with eyepiece optical system.Or, wear display
Device is eyes head-wearing display device, including：One left eye eyepiece optical system；With one and left eye mesh
The corresponding left eye display screen of mirror optical system；One right eye eyepiece optical system；With one and right eye eyepiece
The corresponding right eye display screen of optical system.
In a specific embodiment, as shown in Figure 7, Figure 8 and Figure 9, the eyepiece of head-wearing display device
Optical system includes two panels lens 20：First lens 21 and the second lens 22.Wherein, the first lens 21
Broadside be carried out trimming processing after broadside；The broadside of second lens 22 is to carry out after trimming processing
Broadside, while the first lens 21 and the second lens 22 is long while to carry out long after trimming processing.The
The maximum of reservation size minimum value and lens after one lens 21 and the broadside trimming of the second lens 22 effectively optics
Aperture ratio range is：0.22-0.66.It is with maximum effectively optical aperture ratio in lens external diameter
During 1.03-1.1, the maximum effectively optical aperture of reservation size minimum value and lens after the long side trimming of lens
Footpath ratio range is：More than 0.80.In lens external diameter with maximum effectively optical aperture ratio for more than 1.1
When, the maximum effectively optical aperture ratio range of reservation size minimum value and lens after the long side trimming of lens
For：More than 0.9.
In another specific embodiment, as shown in Figure 13 and Figure 14, the eyepiece light of head-wearing display device
System includes three lens：Along coaxial the first lens 21 being arranged in order of optical axis direction, the second lens 22
With the 3rd lens 23, wherein the first lens 21 are close to human eye side, the 3rd lens 23 close to image source side, as
Source light is successively watched by the 3rd lens 23, the second lens 22, the first lens 21 by human eye；Described
Two lens 22 are convex to image source direction close to the surface of image source side；Two optical surfaces of the 3rd lens 23
Curvature direction is identical, concaves towards image source direction.
Wherein it is preferred to, the broadside of the first lens 21, the second lens 22 and the 3rd lens 23 is progress
The broadside crossed after trimming processing, the maximum effectively optical aperture of reservation size minimum value and lens after broadside trimming
Footpath ratio range is：0.22-0.66, more preferably：0.44-0.66；While the first lens 21, second
The lens 23 of lens 22 and the 3rd it is long while for carry out trimming processing after it is long while；And second lens 22,
Reservation size minimum value and the second lens 22, the maximum of the 3rd lens 23 after the long side trimming of three lens 23
Effective optical aperture ratio range is：More than the reservation size after the long side trimming of 0.8, first lens 21 most
Small value and the maximum effectively optical aperture ratio range of the second lens 22, the 3rd lens 23 are：
0.683-0.992。
In another specific embodiment, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, display dress is worn
The eyepiece optical system put includes four lens 10：Including from eye-observation side to display screen side along optical axis side
To coaxial the first lens group and the second lens group being arranged in order, and the effective focal length of first lens group is
Negative value, the effective focal length of second lens group be on the occasion of；First lens group is made up of two panels lens,
The 4th lens 11 of human eye side and the 5th lens 12 away from human eye side are proximate to respectively, and it is described 4th saturating
Mirror 11 is the positive lens of biconvex shape, and the 4th lens 11 are negative lenses；5th lens 12 are leaned on
The optical surface of person of modern times's eye side concaves towards human eye side, and radius of curvature is negative value；Second lens group by a piece of or
Multi-disc lens are constituted, wherein second lens set at least include with it is the 6th of the first lens group neighbour saturating
Mirror 13, and including the 7th lens 14, the 6th lens 13 are positive lens, the 7th lens 14
Between the 6th lens 13 and display screen side.
Wherein it is preferred to, the 4th lens 11, the 5th lens 12, the 6th lens 13 and the 7th lens 14
Broadside be carried out trimming processing after broadside；And the reservation size minimum value after lens broadside trimming with
Lens maximum effectively optical aperture ratio range be：0.22-0.66.
In another specific embodiment, the eyepiece optical system of head-wearing display device includes five lens
(not shown)：Including from eye-observation side to display screen side along optical axis direction it is coaxial be arranged in order it is first saturating
Microscope group and the second lens group, and the effective focal length of first lens group is negative value, second lens group
Effective focal length be on the occasion of；First lens group is made up of two panels lens, and the 8th of human eye side is proximate to respectively
Lens and the 9th lens away from human eye side, and the 8th lens are the positive lens of biconvex shape, described the
Nine lens are negative lenses；Optical surface of 9th lens close to human eye side concaves towards human eye side, radius of curvature
For negative value；Second lens group is made up of one or more pieces lens, wherein second lens set is at least wrapped
The tenth lens with the first lens group neighbour are included, the tenth lens are positive lens；Second lens
Group also include the 11st lens and the 12nd lens, the tenth lens, the 11st lens and the 12nd lens press from
Human eye side is arranged in order to miniscope side；11st lens be located at the tenth lens and display screen side it
Between.Wherein, the 8th lens, the 9th lens, the tenth lens, the 11st lens and the 12nd lens are by foregoing
Mode in each embodiment carries out broadside trimming, or carries out broadside and long side trimming simultaneously.
In another embodiment of the invention, a kind of head-wearing display device eyepiece opticses system of basis is additionally provided
The processing method of system, with reference to Fig. 1, comprises the following steps：The broadside of head-wearing display device lens is cut
Side is handled；Wherein, after the broadside trimming of lens reservation size minimum value and the maximum of lens effectively optical aperture
Footpath ratio range is：0.22-0.66；The corresponding length of the effective display picture of display screen and width ratio scope
For：1:1-16:3.Empirical tests, after trimming is carried out to the broadside of lens so that it retains size minimum value
With lens maximum effectively optical aperture ratio range be：0.22-0.66, can not only make eyepiece optical system
Overall weight mitigation, easy processing and assembling, while can ensure that eyepiece optical system meets the big angle of visual field, Gao Tu
As optical properties such as resolving power, low distortion, the small curvature of field, small sizes so that head-wearing display device is worn more
Comfortably.
In above-mentioned processing method, the reservation size after the broadside trimming of lens is D, after the long side trimming of lens
Reservation size be E, eyepiece optical system processing before external diameter be B；Wherein, B, D, E meet such as ShiShimonoseki
It is formula (3)：
(3)；
When E/B value is more than 0.92, the not long side trimming of carry out to eyepiece optical system is handled.
Refering to Fig. 6, when E/B value is less than or equal to 0.92, above-mentioned processing method further comprises step
Suddenly：Trimming processing is carried out to the long side of head-wearing display device lens；Wherein, it is effective in lens external diameter and maximum
When optical aperture ratio is 1.03-1.1, reservation size minimum value and lens after the long side trimming of lens
Maximum effectively optical aperture ratio range is：More than 0.80.
Refering to Fig. 6, when E/B value is less than or equal to 0.92, above-mentioned processing method further comprises step
Suddenly：Trimming processing is carried out to the long side of head-wearing display device lens；Wherein, it is effective in lens external diameter and maximum
When optical aperture ratio is more than 1.1, reservation size minimum value and lens after the long side trimming of lens are most
Effectively optical aperture ratio range is greatly：More than 0.9.
Refering to Figure 10, above-mentioned processing method further comprises step：To the long side of head-wearing display device lens
Carry out trimming processing；Wherein, the front view of lens is rectangle；Reservation size after the long side trimming of lens is most
Small value and the maximum effectively optical aperture ratio range of lens are：0.683-0.992.
Refering to Figure 15, above-mentioned processing method further comprises step：Corner cut processing, lens are carried out to lens
Front view be that the polygon formed behind corner is cut by rectangle；The portion that corner is cut out in the front view of lens
It is triangle to divide；The broadside corresponding sides z1 of the triangle and lens length of side is designated as F, triangle and lens
It is long z2 is designated as when corresponding, the Article 3 side of triangle is designated as z3, and the corresponding angles of z1 to z3 are ∠
α, the angle of the effective display picture diagonal of display screen to the long side of display screen active area is ∠ β；
Wherein, following relational expressions (1) and (2) are met：
∠ α=∠ β=atan (b/a) (1)；
F/D≤0.26 (2)；
In above-mentioned relation formula (1) and (2), a is the corresponding length of the effective display picture of display screen, and b is
The corresponding width of the effective display picture of display screen, D is the reservation size after the broadside trimming of lens.
To sum up, the present invention is by the way that according to the cutting method set, trimming is carried out to the broadside of lens, or
Trimming is carried out to its long side simultaneously so that eyepiece optical system overall weight mitigates, and easy processing and assembling,
Simultaneously can ensure eyepiece optical system meet the big angle of visual field, hi-vision resolving power, low distortion, the small curvature of field,
In the case of the optical properties such as small size so that head-wearing display device is worn more comfortable.
It should be appreciated that for those of ordinary skills, can be improved according to the above description
Or conversion, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (18)
1. a kind of head-wearing display device, including the eyepiece optical system and display screen being correspondingly arranged；It is described aobvious
The corresponding length of the effective display picture of display screen is with width ratio scope：1:1-16:3, the eyepiece opticses system
System at least includes one or more pieces lens；Characterized in that, the broadside of at least a piece of lens is progress
The broadside crossed after trimming processing, and reservation size minimum value and the lens after the lens broadside trimming
Maximum effectively optical aperture ratio range is：0.22-0.66.
2. head-wearing display device according to claim 1, it is characterised in that at least a piece of described
Lens it is long while to carry out long after trimming processing, and carry out facing for the lens after long side trimming
Figure is the rectangle that corner is arc-shaped；
When it is 1.03-1.1 that the lens external diameter is with maximum effective optical aperture ratio, the length of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after the trimming of side are：It is more than
0.80。
3. head-wearing display device according to claim 1, it is characterised in that at least a piece of described
Lens it is long while to carry out long after trimming processing, and carry out facing for the lens after long side trimming
Figure is the rectangle that corner is arc-shaped；
When it is more than 1.1 that the lens external diameter is with maximum effective optical aperture ratio, the long side of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after trimming are：It is more than
0.9。
4. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the display
It is 16 to shield the corresponding length of effective display picture with width ratio:16, the guarantor after the broadside trimming of the lens
The maximum effectively optical aperture ratio range for staying size minimum value and the lens is：More than 0.66；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.80.
5. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the display
It is 16 to shield the corresponding length of effective display picture with width ratio:12, the guarantor after the broadside trimming of the lens
The maximum effectively optical aperture ratio for staying size minimum value and the lens is：More than 0.57；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.87.
6. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the display
It is 16 to shield the corresponding length of effective display picture with width ratio:10, the guarantor after the broadside trimming of the lens
The maximum effectively optical aperture ratio range for staying size minimum value and the lens is：More than 0.51；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.91.
7. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the display
It is 16 to shield the corresponding length of effective display picture with width ratio:9, the guarantor after the broadside trimming of the lens
The maximum effectively optical aperture ratio range for staying size minimum value and the lens is：More than 0.47；
And/or, the reservation size minimum value and the maximum of the lens after the long side trimming of the lens are effective
Optical aperture ratio range is：More than 0.93.
8. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the eyepiece
Optical system includes two panels lens, is respectively：First lens and the second lens；Wherein,
The broadside of first lens is to carry out the broadside after trimming processing；
The broadside of second lens is to carry out the broadside after trimming processing, or second lens simultaneously
It is long while for carry out trimming processing after it is long while.
9. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the eyepiece
Optical system includes three lens, is respectively：First lens, the second lens and the 3rd lens；Wherein,
The broadside of first lens, the second lens and the 3rd lens is to carry out the broadside after trimming processing, or
Simultaneously the first lens, the second lens and the 3rd lens it is long in long after for progress trimming processing.
10. head-wearing display device according to claim 1, it is characterised in that the eyepiece opticses system
System includes four lens, is respectively：4th lens, the 5th lens, the 6th lens and the 7th lens；Wherein,
4th lens, the 5th lens, the broadside of the 6th lens and the 7th lens are to carry out at trimming
Broadside after reason.
11. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the head
Display device is worn for simple eye head-wearing display device, including：
One eyepiece optical system；With a display screen corresponding with the eyepiece optical system.
12. the head-wearing display device according to right wants 1,2 or 3, it is characterised in that described to wear
Display device is eyes head-wearing display device, including：
One left eye eyepiece optical system；With left eye corresponding with the left eye eyepiece optical system shows
Display screen；
One right eye eyepiece optical system；With right eye corresponding with the right eye eyepiece optical system shows
Display screen.
13. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the mesh
Mirror optical system includes：
Along coaxial the first lens being arranged in order of optical axis direction, the second lens and the 3rd lens, wherein first is saturating
Mirror close to human eye side, the 3rd lens close to image source side, image source light successively by the 3rd lens, the second lens,
First lens are watched by human eye；
The combination focal power of first lens and second lens is on the occasion of and the second lens are close to image source
The surface of side is convex to image source direction；
Two optical surface curvature directions of the 3rd lens are identical, concave towards image source direction.
14. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the mesh
Mirror optical system includes：
Including from eye-observation side to display screen side along coaxial the first lens group being arranged in order of optical axis direction and
Second lens group, and the effective focal length of first lens group is negative value, effective Jiao of second lens group
Away from on the occasion of；
First lens group is made up of two panels lens, the 4th lens of human eye side is proximate to respectively and away from people
5th lens of eye side, and the 4th lens are the positive lens of biconvex shape, the 4th lens are negative saturating
Mirror；Optical surface of 5th lens close to human eye side concaves towards human eye side, and radius of curvature is negative value；
Second lens group is made up of one or more pieces lens, wherein second lens set at least include with
The 6th lens of the first lens group neighbour, and including the 7th lens, the 6th lens are positive lens,
7th lens are located between the 6th lens and display screen side.
15. the head-wearing display device according to claim 1,2 or 3, it is characterised in that the mesh
Mirror optical system includes：Including from eye-observation side to display screen side along optical axis direction it is coaxial be arranged in order
One lens group and the second lens group, and the effective focal length of first lens group is negative value, second lens
Group effective focal length be on the occasion of；
First lens group is made up of two panels lens, the 8th lens of human eye side is proximate to respectively and away from people
9th lens of eye side, and the 8th lens are the positive lens of biconvex shape, the 9th lens are negative saturating
Mirror；
Second lens group is made up of one or more pieces lens, wherein second lens set at least include with
The tenth lens of the first lens group neighbour, the tenth lens are positive lens；
Second lens group also includes the 11st lens and the 12nd lens, the tenth lens, the 11st lens
It is arranged in order with the 12nd lens by from human eye side to miniscope side；
11st lens are located between the tenth lens and display screen side.
16. a kind of processing method of head-wearing display device eyepiece optical system as described in claim 1,
It is characterised in that it includes following steps：
Trimming processing is carried out to the broadside of the head-wearing display device lens；
Wherein, the reservation size minimum value after the broadside trimming of the lens and the maximum effectively light of the lens
Learning aperture ratio range is：0.22-0.66；The corresponding length of the effective display picture of display screen and width
Proportion is：1:1-16:3.
17. processing method according to claim 16, it is characterised in that the broadside of the lens is cut
Reservation size behind side is D, and the reservation size after the long side trimming of the lens is E, the eyepiece opticses
External diameter is B before system processing；Wherein, B, D, E meet following relational expression (3)：
(3)；
When E/B value is more than 0.92, the not long side trimming of carry out to the eyepiece optical system is handled.
18. processing method according to claim 16, it is characterised in that further comprise step：
Trimming processing is carried out to the long side of the head-wearing display device lens；Wherein,
When it is 1.03-1.1 that the lens external diameter is with maximum effective optical aperture ratio, the length of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after the trimming of side are：It is more than
0.80；
Or further comprise step：Trimming processing is carried out to the long side of the head-wearing display device lens；Its
In,
When it is more than 1.1 that the lens external diameter is with maximum effective optical aperture ratio, the long side of the lens
Reservation size minimum value and the maximum effectively optical aperture ratio range of the lens after trimming are：It is more than
0.9。
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| CN201610156562.4A CN107203040B (en) | 2016-03-18 | 2016-03-18 | Head-mounted display device and processing method of eyepiece optical system thereof |
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| US20040169939A1 (en) * | 2003-02-28 | 2004-09-02 | Konica Minolta Holdings, Inc. | Molded lens and molding die for molded lens |
| CN1837942A (en) * | 2005-03-23 | 2006-09-27 | 三菱电机株式会社 | Image pick-up device |
| JP2010256779A (en) * | 2009-04-28 | 2010-11-11 | Panasonic Corp | Optical element |
| CN102162865A (en) * | 2010-02-23 | 2011-08-24 | 三星电机株式会社 | Plastic lens, lens module, and lens injection mold |
| TW201511554A (en) * | 2013-07-17 | 2015-03-16 | Heptagon Micro Optics Pte Ltd | Camera module including a non-circular lens |
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