CN104880824A - Head-mounted display and shading method applied to same - Google Patents
Head-mounted display and shading method applied to same Download PDFInfo
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- CN104880824A CN104880824A CN201510235987.XA CN201510235987A CN104880824A CN 104880824 A CN104880824 A CN 104880824A CN 201510235987 A CN201510235987 A CN 201510235987A CN 104880824 A CN104880824 A CN 104880824A
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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
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
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Abstract
The invention discloses a head-mounted display (HMD) and a shading method applied to the same. The HMD comprises a display screen for outputting light carrying image information, a lens group for transmitting the light output by the display screen to a transparent reflector, and the transparent reflector for reflecting the transmission light of the lens group to human eyes, and is characterized by also comprising a shading adjusting mirror. The shading adjusting mirror is located at the outer side of the transparent reflector, is provided with an adjustable light transmittance, and is used for transmitting external incident light to the transparent reflector. The transparent reflector is further used for transmitting the transmission light of the shading adjusting mirror to the human eyes. According to the technical scheme provided by the invention, the visible degree of external environment can be adjusted and controlled in real time according to a reality while a user watches images in order that the HMD satisfies human eye requirements and does not influence the image watching of the user. The user is not required to put off the HMD and the HMD is very easy and fast to operate and complies with a using requirement.
Description
Technical field
The present invention relates to visual device technical field, particularly relate to a kind of head mounted display and the light shading method being applied to head mounted display.
Background technology
It is the design proposal adopting full light shading type that the design proposal of current most of head mounted display comprises two kinds: one, and two is the design proposals adopting Clairvoyant type.For the head mounted display of full light shading type, can by the visual field of user and external environment completely isolated, a kind of viewing environment of real theater type is provided to user, however special or in emergency circumstances at some, certain potential safety hazard is existed to the unguard of outdoor scene environment, when user wants to observe external environment, have to take off head mounted display, when user wants viewing image, again wear this head mounted display again, whole process wastes time and energy, very inconvenient.For the head mounted display of Clairvoyant type, although user's Real Time Observation can be allowed to external environment, convenient open air or application demand during the journey, but due to perspective degree fixing of this head mounted display, make the head mounted display of Clairvoyant type can not provide feeling of immersion under theater mode for user, and when extraneous light is crossed strong, image frame can be caused not see Chu, thus reduce viewing experience.
Summary of the invention
In view of the above problems, the invention provides a kind of head mounted display and the light shading method being applied to head mounted display, to solve the problem or to solve the problem at least in part.
According to one aspect of the present invention, provide a kind of head mounted display, comprise: export the display screen carrying the light of image information, by the output Transmission light of described display screen to the lens combination on transparent reflector, the reflection of the transmitted light of described lens combination is entered the transparent reflector of human eye; Described head mounted display also comprises shading adjusting mirror,
Described shading adjusting mirror is positioned at the outside of described transparent reflector, has adjustable transmittance, for outdoor scene incident light is transmitted to described transparent reflector;
Described transparent reflector, for entering human eye by the transmitted light transmission of described shading adjusting mirror.
Alternatively, described shading adjusting mirror comprises: electronic controllable liquid crystal lens, user's load module and control module; The output terminal of described user's load module is connected to the input end of control module by electronic circuit, the output terminal of described control module is connected to the input end of described electronic controllable liquid crystal lens by electronic circuit;
Described user's load module, for regulating the operation of transmittance to produce output signal according to user, exports to described control module;
Described control module, for producing control signal according to this output signal, exports to described electronic controllable liquid crystal lens;
Described electronic controllable liquid crystal lens, for regulating transmittance according to this control signal.
Alternatively, described user's load module is rotary switch; Described rotary switch, produces output signal specifically for the operation according to user's turning knob.
Alternatively, described electronic controllable liquid crystal lens comprises: the first polarized glass sheet, the second polarized glass sheet, be filled in liquid crystal material, the first transparent electrode layer between described first polarized glass sheet and described liquid crystal material and the second transparent electrode layer between described second polarized glass sheet and described liquid crystal material between described first polarized glass sheet and described second polarized glass sheet;
Described first transparent electrode layer and described second transparent electrode layer draw the output terminal that control electrode receives described control module respectively;
Described control module, specifically for applying electric field according to described output signal between described first transparent electrode layer and described second transparent electrode layer, utilize the power of electric field to control the arrangement mode of the molecule of described liquid crystal material, and then control through the polarisation of light direction of described liquid crystal material.
Alternatively, this head mounted display is binocular-type head-mounted display or monocular formula head-mounted display.
According to another aspect of the present invention, provide a kind of light shading method being applied to head mounted display, the method comprises:
Utilize the Transmission light carrying image information that display screen exports by lens combination on transparent reflector;
Utilize described transparent reflector that the reflection of the transmitted light of described lens combination is entered human eye;
At the shading adjusting mirror that the arranged outside transmittance of described transparent reflector is adjustable;
Described shading adjusting mirror is utilized to be transmitted on described transparent reflector by outdoor scene incident light;
Utilize transparent reflector that the transmitted light transmission of described shading adjusting mirror is entered human eye.
Alternatively, described shading adjusting mirror comprises: electronic controllable liquid crystal lens, user's load module and control module;
The described shading adjusting mirror arranging transmittance adjustable comprises:
The output terminal of described user's load module is connected to the input end of control module by electronic circuit, the output terminal of described control module is connected to the input end of described electronic controllable liquid crystal lens by electronic circuit;
Utilize described user's load module to regulate the operation of transmittance to produce output signal according to user, export to described control module;
Utilize described control module to produce control signal according to this output signal, export to described electronic controllable liquid crystal lens;
Described electronic controllable liquid crystal lens is utilized to regulate transmittance according to this control signal.
Alternatively, described user's load module is rotary switch;
Describedly utilize described user's load module to regulate the operation of transmittance to produce output signal according to user to comprise: utilize described rotary switch to produce output signal according to the operation of user's turning knob.
Alternatively, described electronic controllable liquid crystal lens comprises: the first polarized glass sheet, the second polarized glass sheet, be filled in liquid crystal material, the first transparent electrode layer between described first polarized glass sheet and described liquid crystal material and the second transparent electrode layer between described second polarized glass sheet and described liquid crystal material between described first polarized glass sheet and described second polarized glass sheet;
Described the input end that the output terminal of described control module is connected to described electronic controllable liquid crystal lens by electronic circuit to be comprised: draw from described first transparent electrode layer and described second transparent electrode layer the output terminal that control electrode receives described control module respectively;
Described utilize described control module according to this output signal produce control signal, export to described electronic controllable liquid crystal lens to comprise: utilize described control module between described first transparent electrode layer and described second transparent electrode layer, to apply electric field according to described output signal, utilize the power of electric field to control the arrangement mode of the molecule of described liquid crystal material, and then control through the polarisation of light direction of described liquid crystal material.
Alternatively, the method is be applied to the light shading method of binocular-type head-mounted display or be applied to the light shading method of monocular formula head-mounted display.
From the above, technical scheme provided by the invention makes user while the image that exports of viewing display screen, can also adjust the visibility controlled outdoor scene environment in real time according to actual conditions.Such as, when user watches image at home, the transmittance of shading adjusting mirror can be set to zero, by the visual field and outdoor scene environment completely isolated, enjoy the feeling of immersion of theater mode; When user watches image out of doors or during the journey, for meeting demand for security, the transmittance of shading adjusting mirror can be improved, Real Time Observation outdoor scene environment, and the visibility of outdoor scene environment can also carry out trickle adjustment according to outdoor scene light intensity, make it to meet human eye demand, and do not affect the viewing of user to image.In whole adjustment process, display device will be worn without the need to user and take, operate very simple and fast, and strengthen experience, meet user demand.
Accompanying drawing explanation
Fig. 1 shows a kind of according to an embodiment of the invention schematic diagram of head mounted display;
Fig. 2 shows the schematic diagram of shading adjusting mirror according to an embodiment of the invention;
Fig. 3 shows the schematic diagram of electronic controllable liquid crystal lens according to an embodiment of the invention;
Fig. 4 shows a kind of process flow diagram being applied to the light shading method of head mounted display according to an embodiment of the invention;
In figure: 1100, display screen; 1200, lens combination; 1300, transparent reflector; 1400, shading adjusting mirror; 1410, user's load module; 1420, control module; 1430, electronic controllable liquid crystal lens; 1431, the first polarized glass sheet; 1432, the second polarized glass sheet; 1433, liquid crystal material; 1434, the first transparent electrode layer; 1435, the second transparent electrode layer; 2000, position of human eye; 3000, outdoor scene.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 shows a kind of according to an embodiment of the invention schematic diagram of head mounted display.As shown in Figure 1, this head mounted display comprises: display screen 1100, lens combination 1200, transparent reflector 1300 and shading adjusting mirror 1400; In addition, further illustrate the position of human eye of the user of this head mounted display in Fig. 1, be labeled as 2000; Outdoor scene are labeled as 3000.In the present embodiment, lens combination 1200 comprises one or more lens, and the transmittance of shading adjusting mirror 1400 is adjustable, and its transmittance regulative mode can be electronic control also can be mechanical adjustment.
As shown in Figure 1, display screen 1100 exports the light carrying image information, lens combination 1200 by the output Transmission light of display screen 110 on transparent reflector 1300, the reflection of the transmitted light of lens combination 1200 is entered human eye 2000 by transparent reflector 130 again, the light that display screen 1100 is exported, after the transmission of lens combination 1200 and the reflection of transparent reflector 1300, forms a virtual image of amplifying in the front a distance of human eye 2000.Meanwhile, outdoor scene incident light is transmitted on transparent reflector 1300 by shading adjusting mirror 1400, the transmitted light transmission of shading adjusting mirror 1400 is entered human eye 2000 by transparent reflector 1300 again, by regulating the transmittance of shading adjusting mirror 1400, control the luminous flux that outdoor scene incident light enters human eye, thus change the visibility to outdoor scene environment.
Visible, the head mounted display shown in Fig. 1, cooperatively interacting by each several part, makes user while the image that exports of viewing display screen 1100, can also adjust the visibility controlled outdoor scene environment in real time according to actual conditions.Such as, when user watches image at home, the transmittance of shading adjusting mirror 1400 can be set to zero, by the visual field and outdoor scene environment completely isolated, enjoy the feeling of immersion of theater mode; When user watches image out of doors or during the journey, for meeting demand for security, the transmittance of shading adjusting mirror 1400 can be improved, Real Time Observation outdoor scene environment, and the visibility of outdoor scene environment can also carry out trickle adjustment according to outdoor scene light intensity, make it to meet human eye demand, do not affect the viewing of user to image.In whole adjustment process, display device will be worn without the need to user and take, operate very simple and fast, and strengthen experience, meet user demand.
Fig. 2 shows the schematic diagram of shading adjusting mirror according to an embodiment of the invention.As shown in Figure 2, this shading adjusting mirror 1400 comprises: user's load module 1410, control module 1420 and electronic controllable liquid crystal lens 1430; The output terminal of user's load module 1410 is connected to the input end of control module 1420 by electronic circuit, the output terminal of control module 1420 is connected to the input end of electronic controllable liquid crystal lens 1430 by electronic circuit.
User's load module 1410 regulates the operation of transmittance to produce output signal according to user, exports to control module 1420; Control module 1420 produces control signal according to this output signal, exports to electronic controllable liquid crystal lens 1430; Electronic controllable liquid crystal lens 1430 regulates transmittance according to this control signal.
In one embodiment of the invention, user's load module 1410 is rotary switch; This rotary switch produces output signal specifically for the operation according to user's turning knob.In the present embodiment, user can produce output signal by turning knob as required, controls the transmittance of electronic controllable liquid crystal lens 1430, and then controls the visibility to outdoor scene environment in real time, while user-friendly, bring again perfect Consumer's Experience.It should be noted that, rotary switch is a kind of form of user's load module 1410, and in other embodiments, user can be regulated by the transmittance of other manual modes to electronic controllable liquid crystal lens 1430.
In another embodiment of the present invention, the shading adjusting mirror 1400 of head mounted display comprises: environment light sensor, the induction that environment light sensor passes through ambient light intensity to external world produces output signal, and then the transmittance of shading adjusting mirror 1400 is regulated, when external environment light is very strong, the transmittance that environment light sensor output signal controls shading adjusting mirror 1400 reduces, when external environment light is very weak, the transmittance that environment light sensor output signal controls shading adjusting mirror 1400 improves.The present embodiment carries out the automatic adjustment of visibility according to external environment light intensity, makes it to meet human eye viewing demand.
Fig. 3 shows the schematic diagram of electronic controllable liquid crystal lens according to an embodiment of the invention.As shown in Figure 3, this electronic controllable liquid crystal lens 1430 comprises: the first polarized glass sheet 1431, second polarized glass sheet 1432, be filled in liquid crystal material 1433, the first transparent electrode layer 1434 between the first polarized glass sheet 1431 and liquid crystal material 1433 and the second transparent electrode layer 1435 between the second polarized glass sheet 1432 and liquid crystal material 1433 between the first polarized glass sheet 1431 and the second polarized glass sheet 1432.
First transparent electrode layer 1434 and the second transparent electrode layer 1435 draw the output terminal that control electrode receives control module 1420 respectively; Particularly, control module 1420 applies electric field according to the output signal of user's load module 1410 between the first transparent electrode layer 1434 and the second transparent electrode layer 1435, utilize the power of electric field to control the arrangement mode of the molecule of liquid crystal material 1433, and then control the polarisation of light direction through this liquid crystal material 1433.
Electronic controllable liquid crystal lens 1430 according to Fig. 3, pass through in the process of the first polarized glass sheet 1431 of this electronic controllable liquid crystal lens 1430, liquid crystal material 1433 and the second polarized glass sheet 1432 successively at outdoor scene incident light, first polarized glass sheet 1431 is the polarizer, for obtaining polarized light from outdoor scene incident light, liquid crystal material 1433 is for changing the polarization direction of this polarized light, and the second polarized glass sheet 1432 is analyzer.By changing the electric field strong and weak be applied between the first transparent electrode layer 1434 and the second transparent electrode layer 1435, change the arrangement mode of the molecule of liquid crystal material 1433, and then the angle changed between the polarisation of light direction after liquid crystal material 1433 and the analyzing direction of the second polarized glass sheet 1432, finally realize the adjustment to the transmittance of electronic controllable liquid crystal lens 1430.
Such as, it is identical with the light transmission shaft of the second polarized glass sheet 1432 that first polarized glass sheet 1431 is set, namely folk prescription is played to identical with analyzing direction, when to be applied to the electric field between the first transparent electrode layer 1434 and the second transparent electrode layer 1435 be zero, light through liquid crystal material 1433 does not change polarization direction, now, the light through the first polarized glass sheet 1431 can pass through the second polarized glass sheet 1432 completely, and user can observe outdoor scene environment with maximum visual degree; When to be applied to the electric field between the first transparent electrode layer 1434 and the second transparent electrode layer 1435 be a certain preset value, 90 ° are changed through the polarisation of light direction of liquid crystal material 1433, now, through the light of the first polarized glass sheet 1431 completely not by the second polarized glass sheet 1432, the visibility of outdoor scene environment is zero, and user enjoys theater mode; Other situations in like manner, repeat no more.
Head mounted display described in the various embodiments described above can be binocular-type head-mounted display, also can be monocular formula head-mounted display.
Fig. 4 shows a kind of process flow diagram being applied to the light shading method of head mounted display according to an embodiment of the invention.As shown in Figure 4, the method comprises:
Step S410, utilizes the Transmission light carrying image information that display screen exports by lens combination on transparent reflector, and the reflection of the transmitted light of lens combination is entered human eye by recycling transparent reflector.
Step S420, at the shading adjusting mirror that the arranged outside transmittance of transparent reflector is adjustable.
The transmittance regulative mode of the shading adjusting mirror described in this step can be electronic control also can be mechanical adjustment.
Step S430, utilizes shading adjusting mirror to be transmitted on transparent reflector by outdoor scene incident light, and the transmitted light transmission of shading adjusting mirror is entered human eye by recycling transparent reflector.
Visible, method shown in Fig. 4 has the shading adjusting mirror of the adjustable transmittance of electronics by the arranged outside of the transparent reflector at head-mounted display, make user while the image that exports of viewing display screen, can also adjust according to actual conditions the visibility controlled outdoor scene environment in real time.Such as, when user watches image at home, the transmittance of shading adjusting mirror can be set to zero, by the visual field and outdoor scene environment completely isolated, enjoy the feeling of immersion of theater mode; When user watches image out of doors or during the journey, for meeting demand for security, the transmittance of shading adjusting mirror can be improved, Real Time Observation outdoor scene environment, and the visibility of outdoor scene environment can also carry out trickle adjustment according to outdoor scene light intensity, make it to meet human eye demand, do not affect the viewing of user to image.In the carrying out of whole shading scheme, display device will be worn without the need to user and take, operate very simple and fast, and strengthen experience, meet user demand.
In one embodiment of the invention, shading adjusting mirror comprises: electronic controllable liquid crystal lens, user's load module and control module; The shading adjusting mirror that the step S420 of method shown in Fig. 1 arranges transmittance adjustable comprises:
Step S421, is connected to the input end of control module by electronic circuit by the output terminal of user's load module, the output terminal of control module is connected to the input end of electronic controllable liquid crystal lens by electronic circuit;
Step S422, utilizes user's load module to regulate the operation of transmittance to produce output signal according to user, exports to control module.
Step S423, utilizes control module to produce control signal according to this output signal, exports to electronic controllable liquid crystal lens.
Step S424, utilizes electronic controllable liquid crystal lens to regulate transmittance according to this control signal.
In a specific embodiment, user's load module can be rotary switch, and above-mentioned steps S422 is specially: utilize rotary switch to produce output signal according to the operation of user's turning knob, export to control module.
In other embodiments of the invention, environment light sensor can also be connected to the input end of control module by electronic circuit, the output terminal of control module be connected to the input end of electronic controllable liquid crystal lens by electronic circuit.The induction that environment light sensor passes through ambient light intensity to external world produces output signal, and then regulates the transmittance of shading adjusting mirror.The present embodiment carries out the automatic adjustment of visibility according to external environment light intensity, makes it to meet human eye viewing demand.
In another specific embodiment, electronic controllable liquid crystal lens comprises: the first polarized glass sheet, the second polarized glass sheet, be filled in liquid crystal material, the first transparent electrode layer between the first polarized glass sheet and liquid crystal material and the second transparent electrode layer between the second polarized glass sheet and liquid crystal material between the first polarized glass sheet and the second polarized glass sheet.The input end that the output terminal of control module is connected to electronic controllable liquid crystal lens by electronic circuit is specially by above-mentioned steps S421: draw from the first transparent electrode layer and the second transparent electrode layer the output terminal that control electrode receives control module respectively.Above-mentioned steps S423 utilizes control module to produce control signal according to this output signal, export to electronic controllable liquid crystal lens to be specially: utilize described control module between described first transparent electrode layer and described second transparent electrode layer, to apply electric field according to described output signal, utilize the power of electric field to control the arrangement mode of the molecule of described liquid crystal material, and then control through the polarisation of light direction of described liquid crystal material.
According to the present embodiment, pass through in the process of the first polarized glass sheet of this electronic controllable liquid crystal lens, liquid crystal material and the second polarized glass sheet successively at outdoor scene incident light, first polarized glass sheet is the polarizer, for obtaining polarized light from outdoor scene incident light, liquid crystal material is for changing the polarization direction of this polarized light, and the second polarized glass sheet is analyzer.By changing the electric field strong and weak be applied between the first transparent electrode layer and the second transparent electrode layer, change the arrangement mode of the molecule of liquid crystal material, and then the angle changed between the polarisation of light direction after liquid crystal material and the analyzing direction of the second polarized glass sheet, finally realize the adjustment to the transmittance of electronic controllable liquid crystal lens.
The method being applied to head mounted display in the various embodiments described above can be the light shading method being applied to binocular-type head-mounted display, also can be the light shading method being applied to monocular formula head-mounted display.
In sum, technical scheme provided by the invention makes user while the image that exports of viewing display screen, can also adjust the visibility controlled outdoor scene environment in real time according to actual conditions.Such as, when user watches image at home, the transmittance of shading adjusting mirror can be set to zero, by the visual field and outdoor scene environment completely isolated, enjoy the feeling of immersion of theater mode; When user watches image out of doors or during the journey, for meeting demand for security, the transmittance of shading adjusting mirror can be improved, Real Time Observation outdoor scene environment, and the visibility of outdoor scene environment can also carry out trickle adjustment according to outdoor scene light intensity, make it to meet human eye demand, do not affect the viewing of user to image.In the carrying out of the whole shading scheme being applied to head mounted display, display device will be worn without the need to user and take, and compared with prior art, operate very simple and fast, meet user demand, and perfect experience can be provided to user.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a head mounted display, comprising: the display screen of image output optical information, by the output Transmission light of described display screen to the lens combination on transparent reflector, the reflection of the transmitted light of described lens combination is entered the transparent reflector of human eye; It is characterized in that, described head mounted display also comprises shading adjusting mirror,
Described shading adjusting mirror is positioned at the outside of described transparent reflector, has adjustable transmittance, for outdoor scene incident light is transmitted to described transparent reflector;
Described transparent reflector, for entering human eye by the transmitted light transmission of described shading adjusting mirror.
2. head mounted display as claimed in claim 1, it is characterized in that, described shading adjusting mirror comprises: electronic controllable liquid crystal lens, user's load module and control module; The output terminal of described user's load module is connected to the input end of control module by electronic circuit, the output terminal of described control module is connected to the input end of described electronic controllable liquid crystal lens by electronic circuit;
Described user's load module, for regulating the operation of transmittance to produce output signal according to user, exports to described control module;
Described control module, for producing control signal according to this output signal, exports to described electronic controllable liquid crystal lens;
Described electronic controllable liquid crystal lens, for regulating transmittance according to this control signal.
3. head mounted display as claimed in claim 2, it is characterized in that, described user's load module is rotary switch; Described rotary switch, produces output signal specifically for the operation according to user's turning knob.
4. head mounted display as claimed in claim 2, it is characterized in that, described electronic controllable liquid crystal lens comprises: the first polarized glass sheet, the second polarized glass sheet, be filled in liquid crystal material, the first transparent electrode layer between described first polarized glass sheet and described liquid crystal material and the second transparent electrode layer between described second polarized glass sheet and described liquid crystal material between described first polarized glass sheet and described second polarized glass sheet;
Described first transparent electrode layer and described second transparent electrode layer draw the output terminal that control electrode receives described control module respectively;
Described control module, specifically for applying electric field according to described output signal between described first transparent electrode layer and described second transparent electrode layer, utilize the power of electric field to control the arrangement mode of the molecule of described liquid crystal material, and then control through the polarisation of light direction of described liquid crystal material.
5. the head mounted display according to any one of claim 1-4, is characterized in that, this head mounted display is binocular-type head-mounted display or monocular formula head-mounted display.
6. be applied to a light shading method for head mounted display, it is characterized in that, the method comprises:
The image optical information utilizing lens combination to be exported by display screen is transmitted on transparent reflector;
Utilize described transparent reflector that the reflection of the transmitted light of described lens combination is entered human eye;
At the shading adjusting mirror that the arranged outside transmittance of described transparent reflector is adjustable;
Described shading adjusting mirror is utilized to be transmitted on described transparent reflector by outdoor scene incident light;
Utilize described transparent reflector that the transmitted light transmission of described shading adjusting mirror is entered human eye.
7. method as claimed in claim 6, it is characterized in that, described shading adjusting mirror comprises: electronic controllable liquid crystal lens, user's load module and control module;
The described shading adjusting mirror arranging transmittance adjustable comprises:
The output terminal of described user's load module is connected to the input end of control module by electronic circuit, the output terminal of described control module is connected to the input end of described electronic controllable liquid crystal lens by electronic circuit;
Utilize described user's load module to regulate the operation of transmittance to produce output signal according to user, export to described control module;
Utilize described control module to produce control signal according to this output signal, export to described electronic controllable liquid crystal lens;
Described electronic controllable liquid crystal lens is utilized to regulate transmittance according to this control signal.
8. method as claimed in claim 7, it is characterized in that, described user's load module is rotary switch;
Describedly utilize described user's load module to regulate the operation of transmittance to produce output signal according to user to comprise: utilize described rotary switch to produce output signal according to the operation of user's turning knob.
9. method as claimed in claim 7, it is characterized in that, described electronic controllable liquid crystal lens comprises: the first polarized glass sheet, the second polarized glass sheet, be filled in liquid crystal material, the first transparent electrode layer between described first polarized glass sheet and described liquid crystal material and the second transparent electrode layer between described second polarized glass sheet and described liquid crystal material between described first polarized glass sheet and described second polarized glass sheet;
Described the input end that the output terminal of described control module is connected to described electronic controllable liquid crystal lens by electronic circuit to be comprised: draw from described first transparent electrode layer and described second transparent electrode layer the output terminal that control electrode receives described control module respectively;
Described utilize described control module according to this output signal produce control signal, export to described electronic controllable liquid crystal lens to comprise: utilize described control module between described first transparent electrode layer and described second transparent electrode layer, to apply electric field according to described output signal, utilize the power of electric field to control the arrangement mode of the molecule of described liquid crystal material, and then control through the polarisation of light direction of described liquid crystal material.
10. the method according to any one of claim 6-9, is characterized in that, the method is be applied to the light shading method of binocular-type head-mounted display or be applied to the light shading method of monocular formula head-mounted display.
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| CN106842580A (en) * | 2017-04-01 | 2017-06-13 | 核桃智能科技（常州）有限公司 | Intelligent near-eye equipment |
| CN108287409A (en) * | 2018-04-26 | 2018-07-17 | 北京枭龙科技有限公司 | The nearly eye display optical system of Clairvoyant type |
| CN109085711A (en) * | 2017-06-13 | 2018-12-25 | 深圳市光场视觉有限公司 | A kind of vision conversion equipment of adjustable light transmittance |
| CN111103691A (en) * | 2020-01-09 | 2020-05-05 | 深圳珑璟光电技术有限公司 | Near-to-eye display system and device for adjusting transparency by using liquid crystal |
| CN111552078A (en) * | 2020-04-24 | 2020-08-18 | Oppo广东移动通信有限公司 | Glasses protection cover, control method thereof and glasses |
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| CN108287409A (en) * | 2018-04-26 | 2018-07-17 | 北京枭龙科技有限公司 | The nearly eye display optical system of Clairvoyant type |
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| CN109753260B (en) * | 2018-12-29 | 2021-07-16 | 联想(北京)有限公司 | Electronic equipment and control method thereof |
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| CN111856752B (en) * | 2020-06-23 | 2022-10-04 | 深圳奇迹智慧网络有限公司 | Augmented reality display equipment adjusting method and device and computer equipment |
| CN113204118A (en) * | 2021-04-29 | 2021-08-03 | 歌尔股份有限公司 | Head-mounted device |
| CN113467090A (en) * | 2021-06-29 | 2021-10-01 | 歌尔股份有限公司 | Display module assembly and head-mounted display equipment |
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Application publication date: 20150902 |