CN205880364U - Eyepiece system with wear display device - Google Patents
Eyepiece system with wear display device Download PDFInfo
- Publication number
- CN205880364U CN205880364U CN201620687405.1U CN201620687405U CN205880364U CN 205880364 U CN205880364 U CN 205880364U CN 201620687405 U CN201620687405 U CN 201620687405U CN 205880364 U CN205880364 U CN 205880364U
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- China
- Prior art keywords
- fresnel lenses
- light
- eyepiece system
- eye
- screen
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- 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.)
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Abstract
The utility model discloses an eyepiece system with wear display device. This eyepiece system includes: luminous screen, image sensor, fresnel lens group and light filter, the central line parallel arrangement of the luminous relative light path diaphragm of screen, the screen slope luminous relatively of fresnel lens group sets up, and the relative fresnel lens of light filter group sets up in the one side that is close to external environment, and the relative fresnel lens of image sensor group sets up in the one side that is close to the light path diaphragm, fresnel lens group will give off light the incident light of screen transmission and reflect to people's eye in, reflect the diffused reflection light of people's eye to the image sensor in simultaneously to it arrives in people's eye to reach the external environment light projection of coming the light filter transmission, image sensor according to people's eye diffused reflection light generate people's eye pattern like to discern, according to the light quantity of advancing of discernment result adjustment light filter. The utility model discloses can be under the requirement of satisfying the lightweight of eyepiece system, miniaturization, the big angle of vision, the realization has the eyepiece system of augmented reality function.
Description
Technical field
This utility model relates to optical technical field, particularly to a kind of eyepiece system with wear display device.
Background technology
At present, along with the development of science and technology, head-mounted display enters commercial market, and increasing people begins to use this
Series products, enjoys the visual experience of immersion by the eyepiece system in head-mounted display.But, wearing the most on the market
In the eyepiece system design of display, the picture that the light that human eye is only capable of watching display screen to send is formed after optical system,
Function is the most single.
Utility model content
In view of the above problems, this utility model provides a kind of eyepiece system and wears display device, to solve existing mesh
The problem of mirror system function singleness.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
On the one hand, this utility model provides a kind of eyepiece system, and this eyepiece system includes: luminescent screen, image sensing
Device, Fresnel Lenses group and optical filter, described luminescent screen is arranged relative to the centerline parallel of light path diaphragm, and described Fresnel is saturating
The most described luminescent screen of mirror group is obliquely installed, and optical filter described in the most described Fresnel Lenses group is positioned close to external environment
Side, and described imageing sensor is positioned close to the side of light path diaphragm；
Described luminescent screen, for sending the incident illumination carrying image information；
Described Fresnel Lenses group, for reflexing in human eye by the incident illumination that described luminescent screen is launched, simultaneously by people
Diffusing of eye reflexes in imageing sensor, and the external environmental light come by filter transmission projects in human eye；
Described optical filter, for controlling the light-inletting quantity of external environmental light；
Described imageing sensor, the human eye reflected back for receiving described Fresnel Lenses group diffuses, according to people
Eye diffuses generation eye image, and is identified the eye image generated, and adjusts described optical filter according to recognition result
Light-inletting quantity.
Preferably, described Fresnel Lenses group includes the first Fresnel lenses and the second Fresnel lenses；
Described first Fresnel lenses has the first surface of object light path diaphragm and towards the second surface of optical filter, institute
Stating first surface is luxuriant and rich with fragrance alunite face, and described second surface is plane, and reflectance and the transmitance of described first Fresnel lenses are
50%；
Described second Fresnel lenses has the 3rd surface of object light path diaphragm and towards the 4th surface of optical filter, institute
Stating the 3rd surface is plane, and described 4th surface is luxuriant and rich with fragrance alunite face, and the transmitance of described second Fresnel lenses is 100%.
Preferably, the second surface of described first Fresnel lenses and the 3rd surface glue of described second Fresnel lenses
Close, constitute double glued construction；Or, described first Fresnel lenses and described second Fresnel lenses are integrally machined molding.
Preferably, described optical filter includes the polaroid that at least two folds, at least one of which polaroid
Rotatably.
Preferably, described imageing sensor, specifically for being identified eye image, obtains pupil aperture change information
And/or Rotation of eyeball information；
Diminish recognizing described pupil aperture, or when described Rotation of eyeball frequency becomes big, adjust rotating polaroid,
The polarization direction convergence making described at least two polaroid is different, to reduce the light-inletting quantity of external environmental light；
Become big recognizing described pupil aperture, or when described Rotation of eyeball frequency diminishes, adjust rotating polaroid,
The polarization direction convergence making described at least two polaroid is identical, to increase the light-inletting quantity of external environmental light.
Preferably, described luminescent screen is LCOS screen or DLP screen.
Preferably, described Fresnel Lenses group is acrylic material.
On the other hand, this utility model additionally provides one and wears display device, including symmetrical left eye eyepiece system and
Right eye eyepiece system, described left eye eyepiece system and right eye eyepiece system use the eyepiece system that technique scheme provides.
Preferably, wearing display device described in is augmented reality equipment.
This utility model embodiment provides the benefit that: 1, eyepiece system of the present utility model is only by luminescent screen, Fei Nie
That battery of lens, optical filter and four kinds of optical elements of imageing sensor are constituted, the advantage with simple in construction；2, in design process
In, by being obliquely installed Fresnel Lenses group, and reasonable arrangement luminescent screen, optical filter and imageing sensor, make eyepiece system
Compact conformation, the volume of minimizing eyepiece system；3, in the design process, by using the Fresnel less to clear aperture restriction
Battery of lens substitutes traditional spherical reflector, to save design space further and to obtain the bigger angle of visual field.
Eyepiece system lightweight, miniaturization, the wanting of the big angle of visual field can met based on the novel design of this use
Ask down, it is achieved there is the eyepiece system of augmented reality function.
Accompanying drawing explanation
The structural representation of the eyepiece system that Fig. 1 provides for this utility model；
The light path schematic diagram based on Fresnel Lenses group that Fig. 2 provides for this utility model；
The structural representation of the Fresnel Lenses group with a Fresnel lenses that Fig. 3 provides for this utility model；
The structural representation of the Fresnel Lenses group with two Fresnel lenses that Fig. 4 provides for this utility model；
Fig. 5 has two inclined filter sheet structure schematic diagrams of polarization for what this utility model provided；
Fig. 6 a is the first view of two polaroids in Fig. 5；
Fig. 6 b is the second view of two polaroids in Fig. 5.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Embodiment one:
The structural representation of the eyepiece system that Fig. 1 provides for the present embodiment, as it is shown in figure 1, this eyepiece system includes: luminous
Screen 101, imageing sensor 103, Fresnel Lenses group 102 and optical filter 104, the relative light path diaphragm 105 of luminescent screen 101
Centerline parallel is arranged, and Fresnel Lenses group 102 relative luminous screen inclination is arranged, the relative Fresnel Lenses group of optical filter 104
102 sides being positioned close to external environment, the relative Fresnel Lenses group 102 of imageing sensor 103 is positioned close to light path light
The side of door screen 105；
Luminescent screen 101, for sending the incident illumination carrying image information；
Fresnel Lenses group 102, for reflexing in human eye by the incident illumination that luminescent screen 101 is launched, simultaneously by human eye
Diffuse and reflex in imageing sensor 103, and the external environmental light that optical filter 104 transmission comes is projected human eye
In；
Optical filter 104, for controlling the light-inletting quantity of external environmental light；
Imageing sensor 103, the human eye reflected back for receiving Fresnel Lenses group 102 diffuses, according to human eye
Diffuse generation eye image, and is identified the eye image generated, and adjusts entering of optical filter 104 according to recognition result
Light quantity.
Visible, eyepiece system in Fig. 1 comprises three light paths:
Light path 1: light is sent by luminescent screen, through Fresnel Lenses group, the significant surface of Fresnel Lenses group is by light
Reflex at an appropriate angle in human eye, before human eye, finally form a virtual image upright, that amplify.
Light path 2: the light that luminescent screen sends illuminates human eye, human eye diffuse through Fresnel Lenses group non-
Entering imageing sensor after significant surface reflection, imageing sensor diffuses generation eye image according to human eye, identifies human eye letter
Breath.
Light path 3: external environmental light is successively through entering human eye after optical filter and Fresnel Lenses group.
Wherein, owing to Fresnel Lenses by marking off as multiple concentric circular lines countless in series of theories by lens,
The broached-tooth design of annular, the light line reflection that luminescent screen can will be sent in broached-tooth design by the present embodiment is presented on its surface
One side to human eye is defined as significant surface, it is possible to the one side reflexing in imageing sensor that diffuses of human eye be defined as
Non-effective.As described in Figure 2, the light path schematic diagram based on Fresnel Lenses group that Fig. 2 provides for the present embodiment, Fresnel Lenses
The light that screen is sent by the significant surface 1021 of the broached-tooth design of group reflexes in human eye, the non-effective face 1022 of broached-tooth design
Diffusing of human eye is reflexed in imageing sensor.
Present embodiments provide a kind of eyepiece system with augmented reality function, this eyepiece system only by luminescent screen,
Fresnel Lenses group, optical filter and four kinds of optical elements of imageing sensor are constituted, the advantage with simple in construction；In design process
In, on the one hand, by being obliquely installed Fresnel Lenses group, and reasonable arrangement luminescent screen, optical filter and image pass the present embodiment
Sensor, makes eyepiece system compact conformation, the volume of minimizing eyepiece system；On the other hand less by using clear aperture restriction
Fresnel Lenses group substitute traditional spherical reflector, to save design space the bigger angle of visual field of acquisition, base further
Design in the present embodiment can be in the case of ensureing eyepiece system lightweight, miniaturization, the big angle of visual field, it is achieved has
The eyepiece system of augmented reality function.
It should be noted that the Fresnel Lenses group in the present embodiment can include a Fresnel lenses, it is also possible to bag
Include two or more Fresnel lenses；When Fresnel Lenses group only includes a Fresnel lenses, as it is shown on figure 3, luxuriant and rich with fragrance alunite
You only include Fresnel Lenses 102 ' by battery of lens, and the external environmental light that filter transmission is come by Fresnel Lenses 102 ' produces bends
Optical phenomenon, affects people's eye and sees the virtual image formed by luminescent screen.
In one implementation of the present embodiment, as shown in Figure 4, Fresnel Lenses group 102 includes the first Fresnel lenses
L1 and the second Fresnel lenses L2；
First Fresnel lenses L1 has the first surface S1 of object light path diaphragm and towards the second surface S2 of optical filter,
First surface S1 is luxuriant and rich with fragrance alunite face, and second surface S2 is plane；Second Fresnel lenses L2 has the 3rd table of object light path diaphragm
Face S3 and the 4th surface S4 towards optical filter, the 3rd surface S3 is plane, and the 4th surface S4 is luxuriant and rich with fragrance alunite face.
It should be noted that be the augmented reality function realizing eyepiece system, it is desirable to the luxuriant and rich with fragrance alunite of first in this implementation
Your eyeglass is the eyeglass of half-reflection and half-transmission, and the second Fresnel lenses is the eyeglass of high permeability；Preferably, the first Fresnel lenses L1
Reflectance and transmitance be 50%, the transmitance of the second Fresnel lenses L2 is 100%.
Wherein, the second surface S2 of the first Fresnel lenses L1 and the 3rd surface S3 of the second Fresnel lenses L2 is glued,
Constitute double glued construction；Or, the first Fresnel lenses L1 and the second Fresnel lenses L2 are integrally machined molding.
In another implementation of the present embodiment, optical filter 104 includes the polaroid that at least two folds,
At least one of which polaroid is rotatable.
Eye image is identified by imageing sensor 103, obtains pupil aperture change information and/or Rotation of eyeball letter
Breath；Diminish recognizing pupil aperture, or when Rotation of eyeball frequency becomes big, adjust rotating polaroid, make at least two inclined
The polarization direction convergence of sheet of shaking is different, to reduce the light-inletting quantity of external environmental light；Become big recognizing pupil aperture, or eyeball turns
When dynamic frequency diminishes, adjusting rotating polaroid, the polarization direction convergence making at least two polaroid is identical, to increase the external world
The light-inletting quantity of ambient light.
Illustratively, Fig. 5 has two inclined filter sheet structure schematic diagrams of polarization, such as Fig. 5 institute for what this utility model provided
Showing, optical filter 104 includes two polaroids folded 1041,1042, it is assumed that polaroid 1042 is rotatable.
Fig. 6 a is the first view of two polaroids, and Fig. 6 b is the second view of two polaroids, its
In when two polaroids are in the first state, the light-inletting quantity of optical filter is maximum, when two polaroids are in the first state, filter
The light-inletting quantity of mating plate is minimum.
Concrete, when eye image is identified by imageing sensor 103, diminish if recognizing pupil aperture, or
Rotation of eyeball frequency becomes big, adjusts rotating polaroid 1042, and the polarization direction convergence making two polaroids is different, will two
Individual polaroid is adjusted to the second state by the first state, to reduce the light-inletting quantity of external environmental light；If recognizing pupil aperture
Become big, or Rotation of eyeball frequency diminishes, and adjusts rotating polaroid 1042, makes the polarization direction convergence phase of two polaroids
With, will be adjusted to the first state by the second state by two polaroids, to increase the light-inletting quantity of external environmental light.
Preferably, the luminescent screen of the present embodiment is LCOS (Liquid Crystal on Silicon, the attached silicon of liquid crystal) screen
Curtain or DLP (Digital Light Processing, digital light processes) screen, Fresnel Lenses group is acrylic material.
Embodiment two:
Based on the utility model design identical with embodiment one, present embodiments provide one and wear display device, this head
Wear display device, adopt including symmetrical left eye eyepiece system and right eye eyepiece system, left eye eyepiece system and right eye eyepiece system
With the eyepiece system in embodiment one.
Preferably, this wears display device is augmented reality equipment.
The present embodiment is by arranging the above-mentioned images of left and right eyes eyepiece system of application in helmet, the most perfect to user
Visual experience.
In sum, this utility model provides a kind of eyepiece system and wears display device, eyepiece of the present utility model
System is only made up of luminescent screen, Fresnel Lenses group, optical filter and four kinds of optical elements of imageing sensor, has simple in construction
Advantage；In the design process, this utility model is on the one hand by being obliquely installed Fresnel Lenses group, and reasonable arrangement luminescent screen
Curtain, optical filter and imageing sensor, make eyepiece system compact conformation, the volume of minimizing eyepiece system；On the other hand by using
Clear aperture is limited less Fresnel Lenses group and substitutes traditional spherical reflector, to save design space further and to obtain
The angle of visual field that must be bigger.The design novel based on this use can meet eyepiece system lightweight, miniaturization, big visual field
Under the requirement at angle, it is achieved there is the eyepiece system of augmented reality function.
For the ease of clearly describing the technical scheme of this utility model embodiment, in the embodiment of utility model, use
The printed words such as " first ", " second " to function with act on essentially identical identical entry or similar item makes a distinction, art technology
Personnel are appreciated that quantity and execution order are not defined by the printed words such as " first ", " second ".
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection model of the present utility model
Enclose.All any modification, equivalent substitution and improvement etc. made within spirit of the present utility model and principle, are all contained in this reality
With in novel protection domain.
Claims (9)
1. an eyepiece system, it is characterised in that this eyepiece system includes: luminescent screen, imageing sensor, Fresnel Lenses group
And optical filter, described luminescent screen is arranged relative to the centerline parallel of light path diaphragm, and described Fresnel Lenses group is relatively described to be sent out
Screen is obliquely installed, and optical filter described in the most described Fresnel Lenses group is positioned close to the side of external environment, and described
Imageing sensor is positioned close to the side of light path diaphragm；
Described luminescent screen, for sending the incident illumination carrying image information；
Described Fresnel Lenses group, for reflexing in human eye by the incident illumination that described luminescent screen is launched, simultaneously by human eye
Diffuse and reflex in imageing sensor, and the external environmental light come by filter transmission projects in human eye；
Described optical filter, for controlling the light-inletting quantity of external environmental light；
Described imageing sensor, the human eye reflected back for receiving described Fresnel Lenses group diffuses, and overflows according to human eye
Reflection photogenerated eye image, and the eye image generated is identified, adjust entering of described optical filter according to recognition result
Light quantity.
Eyepiece system the most according to claim 1, it is characterised in that described Fresnel Lenses group includes the first Fresnel mirror
Sheet and the second Fresnel lenses；
Described first Fresnel lenses has the first surface of object light path diaphragm and towards the second surface of optical filter, and described
One surface is luxuriant and rich with fragrance alunite face, and described second surface is plane, and reflectance and the transmitance of described first Fresnel lenses are 50%；
Described second Fresnel lenses has the 3rd surface of object light path diaphragm and towards the 4th surface of optical filter, and described
Three surfaces are plane, and described 4th surface is luxuriant and rich with fragrance alunite face, and the transmitance of described second Fresnel lenses is 100%.
Eyepiece system the most according to claim 2, it is characterised in that
The second surface of described first Fresnel lenses and the 3rd surface bonding of described second Fresnel lenses, constitute double glued
Structure；
Or, described first Fresnel lenses and described second Fresnel lenses are integrally machined molding.
Eyepiece system the most according to claim 1, it is characterised in that described optical filter includes that at least two folds
Polaroid, at least one of which polaroid is rotatable.
Eyepiece system the most according to claim 4, it is characterised in that described imageing sensor is specifically for eye image
It is identified, obtains pupil aperture change information and/or Rotation of eyeball information；
Diminish recognizing described pupil aperture, or when described Rotation of eyeball frequency becomes big, adjust rotating polaroid, make institute
The polarization direction convergence stating at least two polaroid is different, to reduce the light-inletting quantity of external environmental light；
Become big recognizing described pupil aperture, or when described Rotation of eyeball frequency diminishes, adjust rotating polaroid, make institute
The polarization direction convergence stating at least two polaroid is identical, to increase the light-inletting quantity of external environmental light.
6. according to the eyepiece system described in any one of claim 1 to 5, it is characterised in that described luminescent screen is LCOS screen
Or DLP screen.
7. according to the eyepiece system described in any one of claim 1 to 5, it is characterised in that described Fresnel Lenses group is sub-gram
Dead-wood matter.
8. wear display device for one kind, it is characterised in that include left eye eyepiece system and right eye eyepiece system, the described left side of symmetry
Eyes mirror system and right eye eyepiece system use the eyepiece system as described in any one of claim 1 to 7.
The most according to claim 8 wear display device, it is characterised in that described in wear display device be that augmented reality sets
Standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687405.1U CN205880364U (en) | 2016-06-30 | 2016-06-30 | Eyepiece system with wear display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687405.1U CN205880364U (en) | 2016-06-30 | 2016-06-30 | Eyepiece system with wear display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880364U true CN205880364U (en) | 2017-01-11 |
Family
ID=57694099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687405.1U Withdrawn - After Issue CN205880364U (en) | 2016-06-30 | 2016-06-30 | Eyepiece system with wear display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019568A (en) * | 2016-06-30 | 2016-10-12 | 北京小鸟看看科技有限公司 | Eyepiece system and head-mounted display device |
| CN113589526A (en) * | 2017-02-23 | 2021-11-02 | 谷歌有限责任公司 | Compact eye tracking using folded display optics |
-
2016
- 2016-06-30 CN CN201620687405.1U patent/CN205880364U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019568A (en) * | 2016-06-30 | 2016-10-12 | 北京小鸟看看科技有限公司 | Eyepiece system and head-mounted display device |
| CN106019568B (en) * | 2016-06-30 | 2018-07-10 | 北京小鸟看看科技有限公司 | A kind of eyepiece system and wear display equipment |
| CN113589526A (en) * | 2017-02-23 | 2021-11-02 | 谷歌有限责任公司 | Compact eye tracking using folded display optics |
| CN113589526B (en) * | 2017-02-23 | 2023-09-15 | 谷歌有限责任公司 | Compact eye tracking using folded display optics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180710 |
|
| AV01 | Patent right actively abandoned |