CN204855955U - Short distance optical enlargement module and use its near eye to show optical modulex - Google Patents
Short distance optical enlargement module and use its near eye to show optical modulex Download PDFInfo
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- CN204855955U CN204855955U CN201520503687.0U CN201520503687U CN204855955U CN 204855955 U CN204855955 U CN 204855955U CN 201520503687 U CN201520503687 U CN 201520503687U CN 204855955 U CN204855955 U CN 204855955U
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Abstract
The utility model discloses a short distance optical enlargement module and use its near eye to show optical modulex, its purpose realizes the enlarged optical enlargement module of big multiple and uses its the nearly eye in short distance (being less than 3cm) the realization super large angle of vision to show optical modulex in order to provide one kind in short distance (being less than 5cm). The utility model provides a short distance optical enlargement module passs through partial reflection curved surface lens (4), the 2 45 degree phase -delay piece (5) and reflective polaroid (6) including arranging the 1 45 degree phase -delay piece (2), the part of arranging in proper order. The utility model provides a nearly eye shows that optical modulex includes display screen (1), the one side at the some transmission partial reflection curved surface lenses of keeping away from of the 1 45 degree phase -delay piece (2) (4) is established in display screen (1).
Description
Technical field
The utility model relates to a kind of optical instrument, particularly relates to a kind of optics module shown for nearly eye being applicable to short-range optical amplifier module and using it.
Background technology
Be not applicable to the optical amplifier module realizing the amplification of large multiple in short distance (being less than 5cm) in prior art, do not realize the display optical module at the ultra-large vision field angle (FOV) of nearly eye display more than more than 100 degree in short distance (being less than 3cm) yet.
Utility model content
The technical problems to be solved in the utility model is to provide one in short distance (being less than 5cm), realizes the optical amplifier module that large multiple amplifies and the nearly eye display optical module realizing ultra-large vision field angle in short distance (being less than 3cm) using it.
Short distance optical amplifier module in the utility model, comprise be arranged in order layout the one 45 degree of phase delay chip, fractional transmission part reflecting curved surface eyeglass, the 2 45 degree of phase delay chip and reflective polarizer.
The nearly eye display optical module of the use short distance optical amplifier module in the utility model, comprise display screen, described display screen is located at the side away from fractional transmission part reflecting curved surface eyeglass of the one 45 degree of phase delay chip, and display screen and fractional transmission part reflecting curved surface eyeglass are located at the both sides of the one 45 degree of phase delay chip respectively.
Nearly eye display optical module in the utility model, wherein also be provided with the optical device not affecting light phase time delay, between two that the described optical device not affecting light phase time delay is located at arbitrary neighborhood in display screen, the one 45 degree of phase delay chip, fractional transmission part reflecting curved surface eyeglass, the 2 45 degree of phase delay chip and reflective polarizer.
Nearly eye display optical module in the utility model, the wherein said optical device not affecting light phase time delay is the optics module of correcting colour phase change.
Nearly eye display optical module in the utility model, wherein said display screen, the one 45 degree of phase delay chip, fractional transmission part reflecting curved surface eyeglass, the 2 45 degree of phase delay wave plate and reflective polarizer are coaxially arranged.
Nearly eye display optical module in the utility model, its axial sides is enclosed with light absorbent.
Nearly eye display optical module in the utility model, wherein said fractional transmission part reflecting curved surface eyeglass is the curve lens of 50% ratio transmission, 50% ratio reflection.
Short distance optical amplifier module difference from prior art in the utility model is that light is through the one 45 degree of phase delay chip, fractional transmission part reflecting curved surface eyeglass, reflective polarizer is arrived after 2 45 degree of phase delay chip, produce at reflective polarizer place after first reflection through the second 45 degree phase delay chip arrival fractional transmission part reflecting curved surface eyeglasses, again successively through the 2 45 degree of phase delay chip after fractional transmission part reflecting curved surface eyeglass place produces second time reflection, human eye is arrived after reflective polarizer, by introducing reflective polarizer and fractional transmission part reflecting curved surface eyeglass, light is allowed to complete two secondary reflections in optical amplifier module, and utilize second time reflection to realize the amplification of large multiple.The nearly eye display optical module of the use short distance optical amplifier module in the utility model is also utilize light to complete two secondary reflections in optical amplifier module, and utilizes second time reflection to realize the adjustment of light wide-angle, expands field angle.
In nearly eye display optical module in the utility model, display screen, the one 45 degree of phase delay chip, fractional transmission part reflecting curved surface eyeglass, the 2 45 degree of phase delay chip and reflective polarizer are coaxially arranged, and facilitate human eye to see image in the axle center of optics module like this.
The axial sides of the nearly eye display optical module in the utility model is enclosed with light absorbent, the final light not entering human eye through reflective polarizer can be made like this to be absorbed, prevent these light from impacting final display result.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the short distance optical amplifier module in the utility model;
Fig. 2 is the structural representation of the nearly eye display optical module embodiment 1 in the utility model;
Fig. 3 is the structural representation of the nearly eye display optical module embodiment 2 in the utility model;
Fig. 4 is the structural representation of the nearly eye display optical module embodiment 3 in the utility model.
Embodiment
45 degree of phase delay chips in the utility model, reflective polarizer and fractional transmission part reflecting curved surface eyeglass are prior art, modal 45 degree of phase delay chips are quarter wave plates, light can increase by 45 degree of phase delays through 45 degree of phase delay chips at every turn, first time becomes through realizing orthogonal polarized light the polarized light adding 45 degree of phase delays, second time is through becoming the polarized light adding 90 degree of phase delays, third time is through becoming the polarized light adding 135 degree of phase delays, 4th time through becoming the polarized light adding 180 degree of phase delays, namely orthogonal polarized light is again reverted to.Reflective polarizer can realize the direct printing opacity of orthogonal polarized light, and is totally reflected for the polarized light of phase delay 90 degree.Fractional transmission part reflecting curved surface eyeglass can realize a certain proportion of light and produce reflection, and the light of remaining proportion produces transmission.
The embodiment of the short distance optical amplifier module in the utility model:
As shown in Figure 1, the short distance optical amplifier module in the utility model comprise be arranged in order layout the one 45 degree of phase delay chip 2, fractional transmission part reflecting curved surface eyeglass the 4, the 2 45 degree of phase delay chip 5 and reflective polarizer 6.
Introduce the principle of work of the short distance optical amplifier module in the utility model below:
Orthogonal polarized light becomes the polarized light of phase delay 45 degree by the one 45 degree of phase delay chip 2, the light realizing certain proportion energy through fractional transmission part reflecting curved surface eyeglass 4 more afterwards completes first time transmission and amplifies, current amplification is the amplification of little multiple, light after amplification is by the 2 45 degree of phase delay chip 5, light becomes the polarized light of phase delay 90 degree, the polarized light that phase delay is 90 degree completes total reflection on reflective polarizer 6, allow the light after reflecting again by the 2 45 degree of phase delay chip 5, be adjusted to the polarized light of phase delay 135 degree, the second time reflection amplification of the light of certain proportion energy is realized again by part transmissive portion reflecting curved surface eyeglass 4, the amplification of large multiple specifically.The light amplified through excessive multiple, again through the 2 45 degree of phase delay chip 5, is adjusted to orthogonal polarized light, and finally orthogonal polarized light is by reflective polarizer 6, thus the large multiple realizing light in short distance (being less than 5cm) amplifies.
The embodiment of the nearly eye display optical module of the above-mentioned short distance of the use in the utility model optical amplifier module:
Embodiment 1
As shown in Figure 2, nearly eye display optical module in the utility model, comprise display screen 1, described display screen 1 is located at the side away from fractional transmission part reflecting curved surface eyeglass 4 of the one 45 degree of phase delay chip 2, display screen 1 and fractional transmission part reflecting curved surface eyeglass 4 are located at the both sides of the one 45 degree of phase delay chip 2 respectively, can realize the little but very large display effect in the visual field of overall volume.
Preferably, display screen 1 is chosen as Miniature high-definition display screen, when selecting Miniature high-definition display screen can also at small size see the display effect of large visual field high definition.Preferably, fractional transmission part reflecting curved surface eyeglass 4 is the curve lens of 50% ratio transmission, 50% ratio reflection.
The optical device not affecting light phase time delay can be added as required between two of arbitrary neighborhood in display screen the 1, the 1 degree of phase delay chip 2, fractional transmission part reflecting curved surface eyeglass the 4, the 2 45 degree of phase delay chip 5 and reflective polarizer 6, such as can add the optics module 3 of correcting colour phase change between the one 45 degree of phase delay chip 2 and fractional transmission part reflecting curved surface eyeglass 4.
In order to enable human eye see image at the axis centre place of reflective polarizer 6, thus display screen the 1, the 1 degree of phase delay chip 2, fractional transmission part reflecting curved surface eyeglass the 4, the 2 45 degree of phase delay chip 5 and reflective polarizer 6 are coaxially arranged.
The axial sides of the nearly eye display optical module in the utility model is enclosed with light absorbent, the final light not entering human eye through reflective polarizer 6 can be made to be absorbed, prevent these light from impacting final display result.
Introduce the principle of work of the nearly eye display optical module in the utility model below:
Orthogonal polarized light becomes the polarized light of phase delay 45 degree after display screen by the one 45 degree of phase delay chip 2, the light realizing certain proportion energy through fractional transmission part reflecting curved surface eyeglass 4 more afterwards completes first time transmission and amplifies, current amplification is the amplification of little multiple, light after amplification is by the 2 45 degree of phase delay chip 5, light becomes the polarized light of phase delay 90 degree, the polarized light that phase delay is 90 degree completes total reflection on reflective polarizer 6, allow the light after reflecting again by the 2 45 degree of phase delay chip 5, be adjusted to the polarized light of phase delay 135 degree, the second time reflection amplification of the light of certain proportion energy is realized again by part transmissive portion reflecting curved surface eyeglass 4, the amplification of large multiple specifically.The light amplified through excessive multiple is again through the 2 45 degree of phase delay chip 5, be adjusted to orthogonal polarized light, finally orthogonal polarized light, by reflective polarizer 6, is shown to eyes, thus realizes the object at ultra-large vision field angle in short distance (being less than 3cm).Above-mentioned orthogonal polarized light is the light that human eye can directly be observed.
The utility model is fully combined into by wide-angle (small angle variation relative to the transmission) Adjustment Performance of reflection function optics module and realizes very large enlargement factor in less total optical channel, thus realizes the effect that miniature screen sees Large visual angle angle equally.Consider that the susceptibility that nearly optics of the eye loses overall brightness is lower, in the global design of the optics therefore in the utility model, employ the mode abandoning portion of energy of fractional transmission part reflection, and significantly impact can not be produced on final display effect.In sum, the utility model is that a kind of high enlargement factor, integral thickness of achieving is less and almost without the nearly eye display optical module of difference.
Embodiment 2
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is, the setting position not affecting the optical device of light phase time delay is different, such as the optics module 3 of correcting colour phase change can be arranged between fractional transmission part reflecting curved surface eyeglass 4 and the 2 45 degree of phase delay chip 5.
Embodiment 3
As shown in Figure 4, the difference of the present embodiment and embodiment 2 is, display screen the 1, the 1 degree of phase delay chip 2, fractional transmission part reflecting curved surface eyeglass the 4, the 2 45 degree of phase delay chip 5 and reflective polarizer 6 non-coaxial are arranged.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (7)
1. a short distance optical amplifier module, is characterized in that: comprise be arranged in order layout the one 45 degree of phase delay chip (2), fractional transmission part reflecting curved surface eyeglass (4), the 2 45 degree of phase delay chip (5) and reflective polarizer (6).
2. one kind uses the nearly eye display optical module of the short distance optical amplifier module described in claim 1, it is characterized in that: comprise display screen (1), described display screen (1) is located at the side away from fractional transmission part reflecting curved surface eyeglass (4) of the one 45 degree of phase delay chip (2), and display screen (1) and fractional transmission part reflecting curved surface eyeglass (4) are located at the both sides of the one 45 degree of phase delay chip (2) respectively.
3. nearly eye display optical module according to claim 2, it is characterized in that: be also provided with the optical device not affecting light phase time delay, between two that the described optical device not affecting light phase time delay is located at arbitrary neighborhood in display screen (1), the one 45 degree of phase delay chip (2), fractional transmission part reflecting curved surface eyeglass (4), the 2 45 degree of phase delay chip (5) and reflective polarizer (6).
4. nearly eye display optical module according to claim 3, is characterized in that: the described optical device not affecting light phase time delay is the optics module (3) of correcting colour phase change.
5. nearly eye display optical module according to claim 4, is characterized in that: described display screen (1), the one 45 degree of phase delay chip (2), fractional transmission part reflecting curved surface eyeglass (4), the 2 45 degree of phase delay chip (5) and reflective polarizer (6) are coaxially arranged.
6. nearly eye display optical module according to claim 5, is characterized in that: its axial sides is enclosed with light absorbent.
7. the nearly eye display optical module according to any one of claim 2-5, is characterized in that: described fractional transmission part reflecting curved surface eyeglass (4) is the curve lens of 50% ratio transmission, 50% ratio reflection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520503687.0U CN204855955U (en) | 2015-07-13 | 2015-07-13 | Short distance optical enlargement module and use its near eye to show optical modulex |
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| CN201520503687.0U CN204855955U (en) | 2015-07-13 | 2015-07-13 | Short distance optical enlargement module and use its near eye to show optical modulex |
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Cited By (12)
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| CN105572894A (en) * | 2016-01-28 | 2016-05-11 | 深圳多哚新技术有限责任公司 | Short-distance optical amplifier module, short-distance optical amplification method and short-distance optical amplification system |
| CN105629494A (en) * | 2016-03-21 | 2016-06-01 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module, glasses, helmet and VR system |
| CN105629472A (en) * | 2016-01-28 | 2016-06-01 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module group, amplification method, and amplification system |
| CN105652460A (en) * | 2016-03-21 | 2016-06-08 | 深圳多哚新技术有限责任公司 | Short distance optical amplification module, spectacles, helmet and VR system |
| CN105676477A (en) * | 2016-03-21 | 2016-06-15 | 深圳多哚新技术有限责任公司 | Short range optical amplification module, glasses, helmet and VR system |
| WO2017128183A1 (en) * | 2016-01-28 | 2017-08-03 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module, amplification method and amplification system |
| EP3249445A4 (en) * | 2016-03-21 | 2017-11-29 | Shenzhen Dlodlo New Technology Co., Ltd. | Short-distance optical magnification module, glasses, helmet and vr system |
| CN108919508A (en) * | 2018-06-22 | 2018-11-30 | 平行现实（杭州）科技有限公司 | A kind of light path compression method, optical compression mould group and optical system |
| CN110824720A (en) * | 2019-11-20 | 2020-02-21 | 上海乐相科技有限公司 | Short-distance optical amplification module and display device |
| CN111290132A (en) * | 2020-04-03 | 2020-06-16 | 江西微瑞光学有限公司 | Short-distance and high-lens-birefringence-tolerance optical imaging module |
| CN111766702A (en) * | 2020-06-29 | 2020-10-13 | 京东方科技集团股份有限公司 | Near-to-eye display optical system for eyeball tracking |
| TWI798678B (en) * | 2021-04-13 | 2023-04-11 | 廣達電腦股份有限公司 | Optical system of miniaturized head-mounted display |
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- 2015-07-13 CN CN201520503687.0U patent/CN204855955U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017128183A1 (en) * | 2016-01-28 | 2017-08-03 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module, amplification method and amplification system |
| EP3410173A4 (en) * | 2016-01-28 | 2019-09-18 | Shenzhen Dlodlo New Technology Co., Ltd. | Short-distance optical amplification module, amplification method and amplification system |
| CN105629472A (en) * | 2016-01-28 | 2016-06-01 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module group, amplification method, and amplification system |
| CN105572894A (en) * | 2016-01-28 | 2016-05-11 | 深圳多哚新技术有限责任公司 | Short-distance optical amplifier module, short-distance optical amplification method and short-distance optical amplification system |
| CN105572894B (en) * | 2016-01-28 | 2018-05-04 | 深圳多哚新技术有限责任公司 | A kind of short distance optical amplifier module, amplification method and amplification system |
| CN105629494B (en) * | 2016-03-21 | 2018-08-14 | 深圳多哚新技术有限责任公司 | A kind of short distance optical amplifier module, glasses, the helmet and VR systems |
| EP3249445A4 (en) * | 2016-03-21 | 2017-11-29 | Shenzhen Dlodlo New Technology Co., Ltd. | Short-distance optical magnification module, glasses, helmet and vr system |
| CN105676477A (en) * | 2016-03-21 | 2016-06-15 | 深圳多哚新技术有限责任公司 | Short range optical amplification module, glasses, helmet and VR system |
| CN105652460A (en) * | 2016-03-21 | 2016-06-08 | 深圳多哚新技术有限责任公司 | Short distance optical amplification module, spectacles, helmet and VR system |
| US10120192B2 (en) | 2016-03-21 | 2018-11-06 | Shenzhen Dlodlo New Technology Co., Ltd | Short-range optical amplification module, spectacles, helmet and VR system |
| CN105629494A (en) * | 2016-03-21 | 2016-06-01 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module, glasses, helmet and VR system |
| CN108919508A (en) * | 2018-06-22 | 2018-11-30 | 平行现实（杭州）科技有限公司 | A kind of light path compression method, optical compression mould group and optical system |
| CN110824720A (en) * | 2019-11-20 | 2020-02-21 | 上海乐相科技有限公司 | Short-distance optical amplification module and display device |
| CN111290132A (en) * | 2020-04-03 | 2020-06-16 | 江西微瑞光学有限公司 | Short-distance and high-lens-birefringence-tolerance optical imaging module |
| CN111766702A (en) * | 2020-06-29 | 2020-10-13 | 京东方科技集团股份有限公司 | Near-to-eye display optical system for eyeball tracking |
| TWI798678B (en) * | 2021-04-13 | 2023-04-11 | 廣達電腦股份有限公司 | Optical system of miniaturized head-mounted display |
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