CN106291939A - A kind of virtual reality display optical system - Google Patents

A kind of virtual reality display optical system Download PDF

Info

Publication number
CN106291939A
CN106291939A CN201610871413.6A CN201610871413A CN106291939A CN 106291939 A CN106291939 A CN 106291939A CN 201610871413 A CN201610871413 A CN 201610871413A CN 106291939 A CN106291939 A CN 106291939A
Authority
CN
China
Prior art keywords
convex lens
front surface
optical system
rear surface
virtual reality
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610871413.6A
Other languages
Chinese (zh)
Other versions
CN106291939B (en
Inventor
吕博
姜珊
刘伟奇
张大亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Institute of Optics Fine Mechanics and Physics of CAS
Original Assignee
Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Institute of Optics Fine Mechanics and Physics of CAS filed Critical Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority to CN201610871413.6A priority Critical patent/CN106291939B/en
Publication of CN106291939A publication Critical patent/CN106291939A/en
Application granted granted Critical
Publication of CN106291939B publication Critical patent/CN106291939B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

This application discloses a kind of virtual reality display optical system, including the LCDs set gradually along optical axis direction, lens combination and diaphragm, the light that described LCDs sends is incident to described diaphragm and then entrance human eye eye pupil after described lens combination reflects, described lens combination includes: convex lens, the convex lens front surface relative with described diaphragm is Fresnel surface, convex lens rear surface is aspheric surface, and described convex lens front surface and described convex lens rear surface all have predetermined angle to tilt relative to the pitch orientation being perpendicular to eye pupil optical axis；Meniscus lens, meniscus lens front surface is relative with described convex lens rear surface, and meniscus lens rear surface is relative with described LCDs.Can correct and reduce optical aberration, little optical aberration good imaging quality well, promote image quality, meanwhile, contain Fresnel by this optical system and form light path with aspheric lens combination and expand visual field by the optimization design of software.

Description

A kind of virtual reality display optical system
Technical field
The present invention relates to optical technical field, more particularly, it relates to a kind of virtual reality display optical system.
Background technology
At present, the key Design point that have to consider during virtual reality display design of Optical System be big visual field, high thoroughly Cross rate, high-performance.Big view field imaging beneficially virtual implementing helmet wearer experiences high-immersion, and can provide abundant number According to quantity of information, high permeability is conducive to improving the efficiency of light energy utilization of image source module, under equal visual brightness, image source module Output is low, is provided to, after being equipped with lithium battery, the use time that wearer is longer, and high-performance is embodied in optical system self Optical property feature, for virtual reality display optical system, mainly include distort easy correcting property, complete machine weighing body Long-pending small and exquisite, highly integrated etc..
Virtual reality display optical system is divided from optical texture mainly two kinds: coaxial-type and off-axis formula.Wherein, from Shaft type virtual reality display optical system many employings catadioptric optical structure, by eye pupil front group clutch, relay imaging light System forms.Eye pupil front group clutch uses face type to be sphere or non-spherical reflector, is coated with certain films layer and realizes vision increasing Strong or virtual enhancing function；Relay imaging optical system uses the combination of transmission optical component, the inclination of transmissive element and bias Being beneficial to correct astigmatism, distortion, transmission wedge-shaped element is conducive to existing positive coma, astigmatism, chromatic longitudiinal aberration, also wraps in relay optical system Including diffraction element, utilize its order of spectrum time Diffraction fringe distribution correction chromatic longitudiinal aberration, second order spectrum etc., expander graphs image source visual color is believed Breath.The coaxial virtual reality display optical system rotationally symmetrical transmissive element of many employings, has processing relatively easy, imaging viewing field The feature being of moderate size.Additionally, not tight to aspherical types coefficient precision in coaxial system during TOLERANCE ANALYSIS, beneficially digital controlled rotary Rubbing down, mirror interval and angle of wedge tolerance are the most loose, are suitable for high-volume processing.
But, virtual reality display optical system of the prior art has the aberrations such as the vertical axle such as coma, astigmatism, because of This, the aberration how reducing virtual reality display optical system is those skilled in the art's urgency technical issues that need to address.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of virtual reality display optical system, it is possible to reduce virtual The aberration of reality displays optical system.
For achieving the above object, the present invention provides following technical scheme:
A kind of virtual reality display optical system, including the LCDs set gradually along optical axis direction, battery of lens Closing and diaphragm, the light that described LCDs sends is incident to described diaphragm after described lens combination reflects and then enters Entering human eye eye pupil, described lens combination includes:
Convex lens, the convex lens front surface relative with described diaphragm is Fresnel surface, and convex lens rear surface is aspheric surface, institute State convex lens front surface and described convex lens rear surface and all have predetermined angle relative to the pitch orientation being perpendicular to eye pupil optical axis Tilt；
Meniscus lens, meniscus lens front surface is relative with described convex lens rear surface, meniscus lens rear surface and described liquid Crystal display screen is relative.
Preferably, in above-mentioned virtual reality display optical system, the front surface of described meniscus lens and rear surface Being aspheric surface, the front surface of described meniscus lens and rear surface are relative to being perpendicular to the pitch orientation of eye pupil optical axis the most State predetermined angle.
Preferably, in above-mentioned virtual reality display optical system, the Fresnel center of described convex lens front surface Territory etching depth scope is 0.001mm～0.0014mm, and etching edge depth bounds is 0.0014mm～0.0018mm.
Preferably, in above-mentioned virtual reality display optical system, Fresnel surface type Z of described convex lens front surface1 For:
Z 1 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r i
Aspheric surface face type Z of described convex lens rear surface2For:
Z 2 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r 2 i
Wherein, c is vertex curvature, r be the front surface of described convex lens or rear surface to optical axis standoff height, K is circle Cone constant,For rotationally symmetrical high-order term coefficient, N is positive integer, and i is positive integer.
Preferably, in above-mentioned virtual reality display optical system, described convex lens rear surface and described meniscus lens The range accuracy scope of front surface is 0.01mm-0.02mm, described meniscus lens rear surface and described LCDs center Distance range is 0.02mm-0.03mm.
Preferably, in above-mentioned virtual reality display optical system, described convex lens front surface and described diaphragm away from It is 12mm-14mm from scope.
Preferably, in above-mentioned virtual reality display optical system, described convex lens front surface and described liquid crystal display The distance of screen is less than or equal to 77mm.
From technique scheme it can be seen that a kind of virtual reality display optical system provided by the present invention, including LCDs, lens combination and the diaphragm set gradually along optical axis direction, the light that described LCDs sends passes through Being incident to described diaphragm and then entrance human eye eye pupil after the refraction of described lens combination, described lens combination includes: convex lens, with institute Stating the relative convex lens front surface of diaphragm is Fresnel surface, and convex lens rear surface is aspheric surface, described convex lens front surface and Described convex lens rear surface all has predetermined angle to tilt relative to the pitch orientation being perpendicular to eye pupil optical axis；Meniscus lens, bent moon Lens front surface is relative with described convex lens rear surface, and bent moon rear surface is relative with described LCDs.
The virtual reality display optical system that the present invention provides, lens combination convexity lens front surface is Fresnel surface, Convex lens rear surface is aspheric surface, and the combination surface structure of this kind of aspheric surface and Fresnel surface can correct well and reduce light Learn aberration, concrete can the vertical axial aberration such as the coma of correct influences image quality, astigmatism, little optical aberration good imaging quality, Promoting image quality, it is three-dimensional with height that low distorted optical image quality can make to experience high-immersion during wearer's binocular viewing image Sense.
Meanwhile, contain Fresnel by this optical system form light path with aspheric lens combination and pass through the excellent of software Change design and expand visual field.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to The accompanying drawing provided obtains other accompanying drawing.
A kind of virtual reality display optical system schematic diagram that Fig. 1 provides for the embodiment of the present invention；
45 ° × 40 ° scopes of virtual reality display optical system central vision that Fig. 2 provides for another embodiment of the present invention Distortion figure；
85 ° × 80 ° scopes of virtual reality display optical system full filed that Fig. 3 provides for another embodiment of the present invention are abnormal Become figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
Refer to a kind of virtual reality display optical system schematic diagram that Fig. 1, Fig. 1 provide for the embodiment of the present invention.
In a kind of detailed description of the invention, it is provided that a kind of virtual reality display optical system, including along optical axis direction LCDs 04, lens combination and the diaphragm 01 set gradually, the light that described LCDs 04 sends is through described Being incident to described diaphragm 01 after lens combination refraction and then enter human eye eye pupil, described lens combination includes: convex lens 02, with institute Stating the relative convex lens front surface of diaphragm 01 is Fresnel surface, and convex lens rear surface is aspheric surface, described convex lens front surface with And described convex lens rear surface all has predetermined angle to tilt relative to the pitch orientation being perpendicular to eye pupil optical axis；Meniscus lens 03, Meniscus lens front surface is relative with described convex lens rear surface, and meniscus lens rear surface is relative with described LCDs 04.
Wherein, convex lens is sequentially placed along described optical axis direction as meniscus lens, due to LCDs 04 Central shaft is not coaxial with eye pupil optical axis, therefore, and table after convex lens rotation asymmetry, and convex lens front surface and described convex lens Face all has predetermined angle to tilt relative to the pitch orientation being perpendicular to eye pupil optical axis, is not coaxial to make to preferably correct the two The image quality degradation that the aberration asymmetric distribution become causes.
LCDs 04 is as virtual reality display image forming source, and supported full-size is diagonal line length 4.5 inches, LCDs 04 includes two pieces of lcd screens, parallel upright is positioned over before human eye, for two eyes respectively Watching attentively, LCDs 04 forms dual pathways LCD screen.Lcd screen can be image planes LCD, the work of the light that image planes LCD send Make wave-length coverage 450nm～650nm.
When backlight is analyzed, Entry pupil diameters is 10mm, entrance pupil central projection to image planes LCD lower limb 32mm, and entrance pupil center is thrown Shadow is to image planes LCD top edge 50mm so that optical system field of view angle is 85 ° × 80 °.Two lcd screen central shaft spacing are more than 70mm, it is ensured that during binocular imaging, dual pathways LCD screen can use main flow high definition panchromatic 4.5 with laid parallel before human eye simultaneously During inch LCD screen, monocular pixel resolution reaches 1800 × 1700.Preferably, in battery of lens, convex lens 02 uses China's glass HQK3, meniscus lens 03 uses China glass HZF6, and the aspheric surface quadratic coefficients precision controlling being applied in battery of lens is at thousand points Eight, face type PV controls at 0.8 micron.
Wherein, as shown in Figures 2 and 3, in the virtual reality display optical system that Fig. 2 provides for another embodiment of the present invention 45 ° × 40 °, heart visual field scope distortion figure；The virtual reality display optical system that Fig. 3 provides for another embodiment of the present invention is complete 85 ° × 80 °, visual field scope distortion figure.In the range of 45 ° × 40 ° imaging viewing fields, maximum distortion 3.12%, average distortion 0.783%；In the range of 85 ° × 80 ° imaging viewing fields, maximum distortion 22.69%, average distortion 5.2%.Full filed becomes barrel-shaped abnormal Become, level and pitch orientation distortion symmetry, only change picture shape because distortion does not affect image definition, pass through Computer Compensation Well-corrected can be carried out, therefore, be not further added by optical element and carry out the correction of residual distortion.
In the present embodiment, convex lens 02, face, meniscus lens 03 surface shape parameter, element material, each optic thickness, each Optical surface spacing is as shown in table 1.
Table 1
The virtual reality display optical system that the present invention provides, lens combination convexity lens front surface is Fresnel surface, Convex lens rear surface is aspheric surface, and the combination surface structure of this kind of aspheric surface and Fresnel surface can correct well and reduce light Learn aberration, concrete can the vertical axial aberration such as the coma of correct influences image quality, astigmatism, little optical aberration good imaging quality, Promoting image quality, it is three-dimensional with height that low distorted optical image quality can make to experience high-immersion during wearer's binocular viewing image Sense.
Meanwhile, contain Fresnel by this optical system form light path with aspheric lens combination and pass through the excellent of software Change design and expand visual field.
On the basis of above-mentioned virtual reality display optical system, described meniscus lens 03 front surface and described bent moon Lens rear surface is aspheric surface, described meniscus lens 03 front surface and described meniscus lens 03 rear surface relative to being perpendicular to The pitch orientation of eye pupil optical axis all has described predetermined angle to tilt.
Wherein, predetermined angle scope is less, and described meniscus lens 03 front surface and described meniscus lens 03 rear surface tilt Angle is respectively 2 ° and 1 °.
On the basis of above-mentioned virtual reality display optical system, the Fresnel center of described convex lens 02 front surface Territory etching depth scope is 0.001mm～0.0014mm, and scope is 0.0014mm～0.0018mm.
On the basis of above-mentioned virtual reality display optical system, Fresnel surface type Z of described convex lens 02 front surface1 For:
Z 1 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r i
Aspheric surface face type Z of described convex lens 02 rear surface2For:
Z 2 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r 2 i
Wherein, c is vertex curvature, and r is that described convex lens 02 front surface or described convex lens 02 rear surface are thrown to optical axis Shadow height, K is the constant of the cone,For rotationally symmetrical high-order term coefficient, N is positive integer, and i is positive integer.
On the basis of above-mentioned virtual reality display optical system, described convex lens 02 rear surface and described meniscus lens 03 The distance range of front surface is 0.01mm-0.02mm, described meniscus lens 03 rear surface and described LCDs 04 center Distance range is at 0.02mm-0.03mm.
Further, described convex lens 02 front surface is 12mm-14mm with the distance range of described diaphragm 01.Distance range Make people's eyelash for 12mm-14mm and convex lens 02 can be encountered, not affecting wear comfort, meet image quality herein simultaneously Design of Optical System by sufficiently complex and structure is big, heaviness is unfavorable for the marketization.
Further, in order to allow users to wear this headgear system for a long time, reduce the front pendant sense wearing generation, In above-mentioned virtual reality display optical system, the distance of described convex lens 02 front surface and described LCDs 04 less than or Person is equal to 77mm, optical system weight 96.65g.Distance between convex lens 02 and LCDs 04 is reduced, and then reduces The volume of optical system, reduces optical system quality.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one The widest scope caused.

Claims (7)

1. a virtual reality display optical system, including the LCDs set gradually along optical axis direction, lens combination And diaphragm, the light that described LCDs sends is incident to described diaphragm and then entrance after described lens combination reflects Human eye eye pupil, it is characterised in that described lens combination includes:
Convex lens, the convex lens front surface relative with described diaphragm is Fresnel surface, and convex lens rear surface is aspheric surface, described convex Lens front surface and described convex lens rear surface all have predetermined angle to tilt relative to the pitch orientation being perpendicular to eye pupil optical axis；
Meniscus lens, meniscus lens front surface is relative with described convex lens rear surface, meniscus lens rear surface and described liquid crystal Display screen is relative.
2. virtual reality display optical system as claimed in claim 1, it is characterised in that described meniscus lens front surface with And described meniscus lens rear surface be aspheric surface, described meniscus lens front surface and described meniscus lens rear surface relative to The pitch orientation being perpendicular to eye pupil optical axis all has described predetermined angle to tilt.
3. virtual reality display optical system as claimed in claim 2, it is characterised in that the phenanthrene of described convex lens front surface Nie Er central area etching depth scope is 0.001mm～0.0014mm, etching edge depth bounds be 0.0014mm～ 0.0018mm。
4. virtual reality display optical system as claimed in claim 3, it is characterised in that the phenanthrene of described convex lens front surface Nie Er face type Z1For:
Z 1 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r i
Aspheric surface face type Z of described convex lens rear surface2For:
Z 2 = cr 2 1 + 1 - ( K + 1 ) c 2 r 2 + Σ i = 1 N ∂ i r 2 i
Wherein, c is vertex curvature, and r is described convex lens front surface or described convex lens rear surface to optical axis standoff height, K For the constant of the cone,For rotationally symmetrical high-order term coefficient, N is positive integer, and i is positive integer.
5. the virtual reality display optical system as described in any one of Claims 1-4, it is characterised in that described convex lens The range accuracy scope of rear surface and described meniscus lens front surface is 0.01mm-0.02mm, described meniscus lens rear surface with The distance range at described LCDs center is 0.02mm-0.03mm.
6. virtual reality display optical system as claimed in claim 5, it is characterised in that described convex lens front surface and institute The distance range stating diaphragm is 12mm-14mm.
7. virtual reality display optical system as claimed in claim 6, it is characterised in that described convex lens front surface and institute State the distance of LCDs less than or equal to 77mm.
CN201610871413.6A 2016-09-30 2016-09-30 A kind of virtual reality display optical system Expired - Fee Related CN106291939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610871413.6A CN106291939B (en) 2016-09-30 2016-09-30 A kind of virtual reality display optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610871413.6A CN106291939B (en) 2016-09-30 2016-09-30 A kind of virtual reality display optical system

Publications (2)

Publication Number Publication Date
CN106291939A true CN106291939A (en) 2017-01-04
CN106291939B CN106291939B (en) 2019-07-09

Family

ID=57716062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610871413.6A Expired - Fee Related CN106291939B (en) 2016-09-30 2016-09-30 A kind of virtual reality display optical system

Country Status (1)

Country Link
CN (1) CN106291939B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106991924A (en) * 2017-06-05 2017-07-28 联想(北京)有限公司 A kind of display screen and intelligent glasses
CN109739022A (en) * 2019-03-19 2019-05-10 长春理工大学 A kind of double-disk VR eyeglass
CN110262038A (en) * 2019-06-06 2019-09-20 歌尔股份有限公司 Optical system and virtual reality device with it
WO2020082928A1 (en) * 2018-10-24 2020-04-30 宁波舜宇光电信息有限公司 Optical lens, camera module, method for assembling same, and corresponding terminal device
WO2023097813A1 (en) * 2021-11-30 2023-06-08 歌尔光学科技有限公司 Optical system and head-mounted display device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001142006A (en) * 1999-11-16 2001-05-25 Minolta Co Ltd Eyepiece optical system and video display device
CN104049369A (en) * 2014-06-28 2014-09-17 青岛歌尔声学科技有限公司 Lens for head-mounted display equipment and head-mounted equipment
CN204360008U (en) * 2014-12-17 2015-05-27 青岛歌尔声学科技有限公司 A kind of micro-display eyepiece, wear eyepiece system and wear visual device
CN104808342A (en) * 2015-04-30 2015-07-29 杭州映墨科技有限公司 Optical lens structure of wearable virtual-reality headset capable of displaying three-dimensional scene
CN105717643A (en) * 2016-04-13 2016-06-29 中山联合光电科技股份有限公司 Reflective type virtual reality optical system
US20160209556A1 (en) * 2015-01-16 2016-07-21 Valve Corporation Low f/# lens
CN205485070U (en) * 2016-02-29 2016-08-17 中山联合光电科技股份有限公司 Virtual reality's optical system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001142006A (en) * 1999-11-16 2001-05-25 Minolta Co Ltd Eyepiece optical system and video display device
CN104049369A (en) * 2014-06-28 2014-09-17 青岛歌尔声学科技有限公司 Lens for head-mounted display equipment and head-mounted equipment
CN204360008U (en) * 2014-12-17 2015-05-27 青岛歌尔声学科技有限公司 A kind of micro-display eyepiece, wear eyepiece system and wear visual device
US20160209556A1 (en) * 2015-01-16 2016-07-21 Valve Corporation Low f/# lens
CN104808342A (en) * 2015-04-30 2015-07-29 杭州映墨科技有限公司 Optical lens structure of wearable virtual-reality headset capable of displaying three-dimensional scene
CN205485070U (en) * 2016-02-29 2016-08-17 中山联合光电科技股份有限公司 Virtual reality's optical system
CN105717643A (en) * 2016-04-13 2016-06-29 中山联合光电科技股份有限公司 Reflective type virtual reality optical system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张慧娟等: "折/衍混合单透镜在目镜中的应用研究", 《光学学报》 *
郁道银、谈恒英: "《工程光学》", 30 April 1999 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106991924A (en) * 2017-06-05 2017-07-28 联想(北京)有限公司 A kind of display screen and intelligent glasses
WO2020082928A1 (en) * 2018-10-24 2020-04-30 宁波舜宇光电信息有限公司 Optical lens, camera module, method for assembling same, and corresponding terminal device
US12007585B2 (en) 2018-10-24 2024-06-11 Ningbo Sunny Opotech Co., Ltd. Terminal device with camera module having optical lens and method for assembling same
CN109739022A (en) * 2019-03-19 2019-05-10 长春理工大学 A kind of double-disk VR eyeglass
CN110262038A (en) * 2019-06-06 2019-09-20 歌尔股份有限公司 Optical system and virtual reality device with it
CN110262038B (en) * 2019-06-06 2022-06-21 歌尔光学科技有限公司 Optical system and virtual reality equipment with same
WO2023097813A1 (en) * 2021-11-30 2023-06-08 歌尔光学科技有限公司 Optical system and head-mounted display device

Also Published As

Publication number Publication date
CN106291939B (en) 2019-07-09

Similar Documents

Publication Publication Date Title
CN104090354B (en) The helmet wide-angle interior focusing camera lens of a kind of no color differnece and helmet
CN106249399B (en) One kind wears eyepiece system and wears display equipment
CN104635333B (en) A kind of eyepiece, wear eyepiece system and micro display helmet
CN106338820B (en) A kind of micro display eyepiece wears eyepiece system and wears visual device
CN106291939B (en) A kind of virtual reality display optical system
CN106405819B (en) A kind of eyepiece camera lens and wear optical system
CN204360008U (en) A kind of micro-display eyepiece, wear eyepiece system and wear visual device
CN106501943A (en) A kind of eyepiece optical system for wearing display device
CN105137590A (en) Large-field-of-view (LFOV) eyepiece optical system
CN105511078A (en) Ocular lens, head-mounted display optical system and head-mounted equipment
CN205176383U (en) Big angle of vision eyepiece optical system
CN204116696U (en) A kind of helmet wide-angle interior focusing camera lens of no color differnece and helmet
CN109270607B (en) Single-chip broadband achromatic refraction and diffraction mixed lens and design method
CN106324838A (en) Virtual reality equipment and virtual reality system
CN204044421U (en) A kind of focal length type Panoramic annular imaging camera lens
CN110426838A (en) A kind of eyepiece optical system and head-mounted display
US20220276490A1 (en) Near eye display apparatus
WO2018113623A1 (en) Lens module
CN106918913A (en) A kind of nearly eye display optical system of free form surface off axis reflector and method for building up
CN214011639U (en) Large-field-angle eyepiece optical system and head-mounted display device
CN214041889U (en) Large-field-angle eyepiece optical system and head-mounted display device
CN204422862U (en) A kind of eyepiece camera lens and wear optical system
CN105717643A (en) Reflective type virtual reality optical system
CN213934399U (en) Large-field-angle eyepiece optical system and head-mounted display device
CN213934400U (en) Large-field-angle eyepiece optical system and head-mounted display device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190709

Termination date: 20210930

CF01 Termination of patent right due to non-payment of annual fee