CN205562957U - Wear -type display device based on liquid crystal lens array array - Google Patents
Wear -type display device based on liquid crystal lens array array Download PDFInfo
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- CN205562957U CN205562957U CN201620025630.9U CN201620025630U CN205562957U CN 205562957 U CN205562957 U CN 205562957U CN 201620025630 U CN201620025630 U CN 201620025630U CN 205562957 U CN205562957 U CN 205562957U
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Abstract
The utility model provides a wear -type display device based on liquid crystal lens array array relates to the stereoscopic display technology field. Wear -type display device includes: display screen and the liquid crystal lens array array of setting in the relative people's eye in display screen the place ahead side, the liquid crystal lens array array includes a plurality of liquid crystal lens array, a plurality of liquid crystal lens array is the capable N of M row and arranges, and every liquid crystal lens array includes a relative glass substrate and the 2nd glass substrate who sets up, scribbles on the glass substrate and has plated the plane electrode, and scribble on the 2nd glass substrate and plate the individual annular electrode that is concentric cyclic annular setting of n be filled with the liquid crystal between a glass substrate and the 2nd glass substrate. The utility model discloses an every liquid crystal lens array in the liquid crystal lens array array all is adjustables, can realize the regional and whole all adjustable of display screen like this to can divide the demonstration of carrying out 2D or 3D, and the definition is adjustable regionally, can shows that the content carries out the developments of scene and scale, and can realize people's eye initiative and select to focus according to the difference.
Description
Technical field
The utility model relates to stereo display technique field, particularly relates to a kind of head-mounted display apparatus based on liquid crystal lens array.
Background technology
Wear-type 3D display device has good portability, either in life & amusement, or all has the effect do not replaced at medical industrial fields.Wear-type 3D display device can enjoy 3D video and Entertainment whenever and wherever possible, and engineer can be allowed at work to see architectural drawing, and maintenance personal then can see installation guide.Doctor can see the major organs of patient, nuclear magnetic resonance, X-ray scanning figure when having an operation.Therefore exploitation wear-type integration imaging 3D display device has the most practical value.
Wear-type virtual reality (VR) display device of main flow at present, by showing that two width have the image of parallax at left eye and right eye, the left eye of people sees left view dot image, right eye sees right visual point image, then synthesize at human brain, enable a person to experience the 3-D view of solid, reach the effect that 3D shows.The 3D rendering that the display device of this parallax method design is presented not is real 3D rendering, but shows by " deception " of brain is realized 3D.Viewing can make people produce visual fatigue because two are gathered inconsistent with focal adjustments for a long time, and people even can be made the symptom that dizziness is felt sick occur.
At existing wear-type virtual reality (VR) display device, the liquid crystal lens used, multidimensional monolithic lens, it is merely able to realize integrally-regulated, and it is adjustable to realize the region part to display screen.It addition, the visual field that current liquid crystal lens structure can be supplied to user is narrow, user can only watch in less angle, and like this, the time one is long, and user is easy for producing that eye is swollen or the malaise symptoms such as eye strain.
Meanwhile, the user of different eyesights, when wearing VR display device, it is seen that picture can difference.Same picture, twenty-twenty user is the most clear when watching, and the user of myopia or long sight can be fuzzyyer when watching, and the picture effect that the user of myopia or long sight sees in various degree also has certain difference, this can make user in watching process, cannot find suitably viewing point or have the sensation of dizziness, thus having influence on overall experience, this is that VR display device realizes another popular difficult point.
Utility model content
A purpose of the present utility model is to provide for a kind of head-mounted display apparatus based on liquid crystal lens array, it is capable of the switching between 2D picture and 3D picture, entirety can be realized or region shows, and the user of different eyesight can be applicable to so that user obtains clearly visual experience.
Especially, the utility model provides a kind of head-mounted display apparatus based on liquid crystal lens array, including: display screen be arranged on the display screen front liquid crystal lens array relative to human eye side, described liquid crystal lens array includes several liquid crystal lens, several liquid crystal lens described are that M row × N arranges arrangement, described liquid crystal lens includes the first glass substrate and the second glass substrate being oppositely arranged, it is coated with on described first glass substrate and is coated with plane electrode, it is coated with on described second glass substrate and is coated with n the annular electrode arranged in concentric annular, it is filled with liquid crystal between described first glass substrate and described second glass substrate.
Further, on described second glass substrate, the center of described n the annular electrode arranged in concentric annular of institute's coating is also coated with and is coated with vertical bar shaped electrode, and described liquid crystal lens forms circular drop-shaped lens mirror after described plane electrode, described n annular electrode and described vertical bar shaped electrode are all energized.
Further, described vertical bar shaped electrode extends outside described liquid crystal lens and does not intersects with described n annular electrode.
Further, the driving voltage that described n annular electrode is independent with respectively with described vertical bar shaped electrode is connected.
Further, described n annular electrode gradually successively decreases to the border of described liquid crystal lens by the described vertical bar shaped electrode at center with the driving voltage of described vertical bar shaped electrode.
Further, described each driving voltage is independent of one another, and voltage is adjustable.
When electrode is not powered, in described liquid crystal lens, the arrangement of liquid crystal keeps reset condition, does not change the direction of propagation of light；When providing voltage respectively to each electrode, described plane electrode connects driving voltage negative pole, described n annular electrode and described vertical bar shaped electrode connect the positive pole of described each driving voltage, in described liquid crystal lens, the arrangement mode of liquid crystal molecule changes, different voltage makes the described liquid crystal molecule anglec of rotation different, present different refractive indexes, change the light direction of propagation after described liquid crystal molecule.
Further, in the first glass substrate, it is provided with alignment film between the most described liquid crystal side and described liquid crystal, in the second glass substrate, is provided with alignment film between the most described liquid crystal side and described liquid crystal.
Further, described head-mounted display apparatus is provided with the two pieces of display screens in left and right, described two pieces of display screens are respectively arranged with described liquid crystal lens array.
Further, being provided with one piece of display screen in described head-mounted display apparatus, be provided with baffle plate in the middle part of described display screen, described display screen is divided into two pieces of independent viewing areas by described baffle plate, is respectively arranged with described liquid crystal lens array on described two pieces of viewing areas.
Head-mounted display apparatus based on liquid crystal lens array of the present utility model, liquid crystal lens array is used to replace traditional optical lens, and each liquid crystal lens in array is all adjustable, the region and the entirety that are so capable of display screen are the most adjustable, achieve display effect freely the switching between 2D and 3D of display device, and the display of 2D or 3D can be carried out in subregional, and definition is adjustable, the dynamically scaling of scene can be carried out according to difference display content and human eye actively selection focusing can be realized.
Further, the liquid crystal lens in the utility model is owing to using the electrode of concentric annular as controlling electrode, and each electrode powers respectively, therefore can adjusting focal length at any time, and adjustable extent is bigger, using the teaching of the invention it is possible to provide relatively sharp display image.
Further, the liquid crystal lens in the utility model can form circular drop-shaped lens mirror effect, and relatively sharp, carry out is the layout of dot matrix, is different from existing monoblock type lens, overcomes the uncontrollable defect in lens regulation region.
According to below in conjunction with the accompanying drawing detailed description to the utility model specific embodiment, those skilled in the art will become more apparent from of the present utility model above-mentioned and other purposes, advantage and feature.
Accompanying drawing explanation
Describe specific embodiments more of the present utility model the most by way of example, and not by way of limitation in detail.Reference identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the structural representation of the head-mounted display apparatus according to one embodiment of the utility model；
Fig. 2 is the schematic sectional view of the liquid crystal lens in liquid crystal lens array shown in Fig. 1；
Fig. 3 is the distribution of electrodes schematic diagram in liquid crystal lens shown in Fig. 2 on the second glass substrate；
Fig. 4 is the molecular arrangement schematic diagram of the liquid crystal when electrode is not powered of the liquid crystal lens in one embodiment of the utility model；
Fig. 5 is the molecular arrangement schematic diagram of the liquid crystal when electrode power supply of the liquid crystal lens in one embodiment of the utility model；
Fig. 6 is the operation principle block diagram of head-mounted display apparatus in one embodiment of the utility model；
Fig. 7 is the operation principle schematic diagram of liquid crystal lens in one embodiment of the utility model.
Detailed description of the invention
Fig. 1 is the structural representation of the head-mounted display apparatus according to one embodiment of the utility model；Fig. 2 is the schematic sectional view of the liquid crystal lens in liquid crystal lens array shown in Fig. 1；Fig. 3 is the distribution of electrodes schematic diagram in liquid crystal lens shown in Fig. 2 on the second glass substrate, and the structure below with reference to Fig. 1, Fig. 2 and Fig. 3 head-mounted display device is illustrated.
Such as Fig. 1, shown in Fig. 2, a kind of based on liquid crystal lens array head-mounted display apparatus described by the present embodiment, comprising: display screen 2 and the liquid crystal lens array 1 being arranged on the anterior relative human eye side of display screen 2, that is liquid crystal lens array 1 is provided between display screen 2 and user's human eye, described liquid crystal lens array 1 includes several liquid crystal lens, several liquid crystal lens described are that M row × N row arrangement constitutes described liquid crystal lens array 1, described liquid crystal lens includes the first glass substrate 10 and the second glass substrate 11 being oppositely arranged, it is coated with on described first glass substrate 10 and is coated with plane electrode 30, it is coated with on described second glass substrate 11 and is coated with n the annular electrode arranged in the form of a ring, it is filled with liquid crystal 50 between described first glass substrate 10 and described second glass substrate 11.
Visible, in the present embodiment, lens arra is to be formed by a lot of liquid crystal lens arrangements.Display screen 2 is fixed on the far-end of eyes, before liquid crystal lens array 1 is placed in display screen 2 and human eye.When carrying out 2D display, liquid crystal lens not being applied voltage, make whole lens arra have identical refractive index, liquid crystal lens array 1 is considered as one piece of flat glass, and display screen 2 shows normal 2D image, and human eye sees the clear 2D image not losing resolution ratio.When needs carry out 3D display, to microlens array making alive, liquid crystal lens array 1 just " appearance " a lot of micro lens, play the 3D content mated with this lens arra parameter the most on the display screen 2, it is possible to realize 3D and show.So, the switching of 2D to 3D it is achieved that.
The present embodiment uses liquid crystal lens array 1 replacement traditional optical lens, and each liquid crystal lens in array is all adjustable, the region and the entirety that are so capable of display screen 2 are the most adjustable, it is achieved that the display effect of display device freely switching between 2D and 3D.
Significantly, several liquid crystal lens of array arrangement owing to using in the present embodiment, if the part during so we regulate several liquid crystal lens described carries out 3D and shows, and if remainder still keeps 2D to show, the most just can carry out the display of 2D and 3D in subregional, and definition is adjustable, the dynamically scaling of scene can be carried out according to difference display content and human eye actively selection focusing can be realized, and then meet the different demands of client.
As shown in Figure 3, on described second glass substrate 11, the center of the electrode arranged in the form of a ring of institute's coating is also coated with and is coated with vertical bar shaped electrode 34, and described liquid crystal lens forms circular drop-shaped lens mirror after described plane electrode 30, described n annular electrode (31,32,33) and described vertical bar shaped electrode 34 are all energized.Liquid crystal lens in the utility model can form circular drop-shaped lens mirror effect, and relatively sharp, carry out is the layout of dot matrix, it is different from existing monoblock type lens, overcome the uncontrollable defect in lens regulation region, it is possible to preferably being caught by human eye, image is the most relatively sharp
In the present embodiment, it is coated with on second glass substrate 11 and is coated with 3 annular electrodes (31,32,33) and 1 vertical bar shaped electrode 34, wherein 3 annular electrodes (31,32,33) are arranged in concentric annular, and described vertical bar shaped electrode 34 is then arranged on the circle centre position of described 3 annular electrodes (31,32,33).
Described n annular electrode on second glass substrate 11 driving voltage independent with respectively with described vertical bar shaped electrode 34 is connected.When electrode is not powered, as shown in Figure 4, Fig. 4 is the molecular arrangement schematic diagram of the liquid crystal when electrode is not powered of the liquid crystal lens in the present embodiment, and in liquid crystal lens, the arrangement of liquid crystal keeps reset condition, does not change the direction of propagation of light；When providing voltage respectively to each electrode, as shown in Figure 5, Fig. 5 is the molecular arrangement schematic diagram of the liquid crystal when electrode power supply of the liquid crystal lens in the present embodiment, described plane electrode 30 connects driving voltage negative pole, described n annular electrode and described vertical bar shaped electrode 34 connect the positive pole of described each driving voltage, and in liquid crystal lens, the arrangement mode of liquid crystal molecule changes, and different voltage makes the liquid crystal molecule anglec of rotation different, present different refractive indexes, change the light direction of propagation after liquid crystal molecule.
Further, on the second glass substrate 11, the size rule of electrode drive voltage is: described n annular electrode gradually successively decreases to the border of described liquid crystal lens by the described vertical bar shaped electrode 34 at center with the driving voltage of described vertical bar shaped electrode 34.
It is understood that for the rule of above-mentioned what is called " described n annular electrode gradually successively decreases to the border of described liquid crystal lens by the described vertical bar shaped electrode 34 at center with the driving voltage of described vertical bar shaped electrode 34 " is for its absolute value.Generally we are that plane electrode 30 connects negative pole, as above-mentioned, but positive pole can also be connect, now, on second glass substrate 11, electrode is that the negative pole with driving voltage is connected, and now, the driving voltage of described vertical bar shaped electrode 34 is negative value, according to numerical tabular as should be minimum for electrode drive voltage on the second glass substrate 11, but it be that its absolute voltage value is maximum.
Distribution of electrodes figure as shown in Figure 2 and Figure 3, in conjunction with the fundamental diagram after the liquid crystal lens electrifying electrodes shown in Fig. 7, the voltage V4 of middle straight strip electrode 34 is maximum, gradually successively decreased to the driving voltage of the annular electrode of the boundary direction of described liquid crystal lens by vertical bar shaped electrode 34, say, that V4 ＞ V3 ＞ V2 ＞ V1.
Further, described each driving voltage is independent of one another, and voltage is adjustable.Liquid crystal lens in the utility model is owing to using the electrode of concentric annular as controlling electrode, and each electrode powers respectively, therefore can adjusting focal length at any time, and adjustable extent is bigger, using the teaching of the invention it is possible to provide relatively sharp display image.
Further, in the first glass substrate 10, it is provided with alignment film 40 between the most described liquid crystal 50 side and described liquid crystal 50, in described second glass substrate 11, is provided with alignment film 40 between the most described liquid crystal 50 side and described liquid crystal 50.
Further, described head-mounted display apparatus is provided with the two pieces of display screens 2 in left and right, described two pieces of display screens 2 are respectively arranged with described liquid crystal lens array 1.Particularly, described head-mounted display apparatus is provided with the two pieces of display screens 2 in left and right, described two pieces of display screens 2 are respectively arranged with liquid crystal lens array 1, the left eye to user respectively when 2D image shows, right eye is focused, by left eye, the parameter of right eye focusing stores respectively, when opening 3D and showing picture, the voltage that on the controllable liquid crystal lens on the focusing parameter adjustment left side according to left eye, input electrode is corresponding, the position making left view dot image reflect fits into be watched in left eye, the voltage that on the controllable liquid crystal lens on the right of focusing parameter adjustment according to right eye, input electrode is corresponding, the position making right visual point image reflect fits into be watched in right eye, the 3D of best results shows picture to allow user see.In fact, for this scheme, the present embodiment can also use one piece of display screen 2, but baffle plate is set at the middle part of this display screen 2, then it is respectively provided with described liquid crystal lens again on two pieces of viewing areas separated, left and right, is equally reached above-mentioned utility model purpose.
The theory diagram being adjusted for the head-mounted display apparatus described by the present embodiment is as shown in Figure 6, specific as follows:
With reference first to existing scene ratio or through external control input treated device entirety control image scene scaling adjustment after picture control input, then through display driver circuit, display screen 2 is worked；And by controlling the driving voltage (being sent to the input voltage of each electrode in liquid crystal lens array 1) of lens drive circuit and then controlling the refraction of described liquid crystal lens array 1 when needing 3D to show, finally obtain the image wanted and show.
That is the picture after preliminary treatment is through display driver circuit, is converted into the signal mated with display screen 2, is input on display screen 2 show；When carrying out 3D display, processor can control the driving voltage part of lens drive circuit according to outside control signal so that it is exports suitable voltage so that liquid crystal lens array 1 respective regions is in corresponding state.Concrete attainable function includes: 2D/3D switching, dynamically focusing, scene scaling.
Described head-mounted display apparatus selectively shows 2D image or 3D rendering, during the display of 2D image, user scales 2D image to adapt to user's focal length, then the optical parametric that before automatically calling when 3D rendering shows, during the display of 2D image, focusing obtains, control the supply voltage of each electrode at liquid crystal lens and make corresponding change, the anglec of rotation changing liquid crystal makes emergent ray direction deflect, being refracted at user by the image frame of left view, right view respectively, the 3D of best results shows picture to allow user see.
And use the controllable liquid crystal lens that two panels is identical, can adjust targetedly for the user that right and left eyes force differs.Particularly, described head-mounted display apparatus is provided with the two pieces of display screens 2 in left and right, described two pieces of display screens 2 are respectively arranged with controllable liquid crystal lens, the left eye to user respectively when 2D image shows, right eye is focused, by left eye, the parameter of right eye focusing stores respectively, when opening 3D and showing picture, the voltage that on the controllable liquid crystal lens on the focusing parameter adjustment left side according to left eye, input electrode is corresponding, the position making left view dot image reflect fits into be watched in left eye, the voltage that on the controllable liquid crystal lens on the right of focusing parameter adjustment according to right eye, input electrode is corresponding, the position making right visual point image reflect fits into be watched in right eye, the 3D of best results shows picture to allow user see.In fact, for this scheme, the present embodiment can also use one piece of display screen 2, but baffle plate is set at the middle part of this display screen 2, then it is respectively provided with controllable liquid crystal lens again on two pieces of viewing areas separated, left and right, is equally reached above-mentioned utility model purpose.
Control method for head-mounted display apparatus described in the utility model, it is possible to make the utility model be applicable to the crowd of different eyesight, meet the demand of the user of various eyesight.
So far, those skilled in the art will recognize that, multiple exemplary embodiment of the present utility model is illustrate and described although the most detailed, but, in the case of without departing from the utility model spirit and scope, still can directly determine according to the utility model disclosure or derive other variations or modifications of many meeting the utility model principle.Therefore, scope of the present utility model is it is understood that and regard as covering other variations or modifications all these.
Claims (9)
1. a head-mounted display apparatus based on liquid crystal lens array, it is characterized in that, including: display screen be arranged on the display screen front liquid crystal lens array relative to human eye side, described liquid crystal lens array includes several liquid crystal lens, several liquid crystal lens described are that M row × N arranges arrangement, described liquid crystal lens includes the first glass substrate and the second glass substrate being oppositely arranged, it is coated with on described first glass substrate and is coated with plane electrode, it is coated with on described second glass substrate and is coated with n the annular electrode arranged in concentric annular, it is filled with liquid crystal between described first glass substrate and described second glass substrate.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 1, it is characterized in that, on described second glass substrate, the center of described n the annular electrode arranged in concentric annular of institute's coating is also coated with and is coated with vertical bar shaped electrode, and described liquid crystal lens forms circular drop-shaped lens mirror after described plane electrode, described n annular electrode and described vertical bar shaped electrode are all energized.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 2, it is characterised in that described vertical bar shaped electrode extends outside described liquid crystal lens and do not intersects with described n annular electrode.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 3, it is characterised in that described n the annular electrode driving voltage independent with respectively with described vertical bar shaped electrode is connected.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 4, it is characterised in that described n annular electrode gradually successively decreases to the border of described liquid crystal lens by the described vertical bar shaped electrode at center with the driving voltage of described vertical bar shaped electrode.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 4, it is characterised in that the voltage of described each driving voltage is adjustable.
Head-mounted display apparatus based on liquid crystal lens array the most according to claim 1, it is characterized in that, in described first glass substrate, it is provided with alignment film between the most described liquid crystal side and described liquid crystal, in described second glass substrate, is provided with alignment film between the most described liquid crystal side and described liquid crystal.
8. according to the head-mounted display apparatus based on liquid crystal lens array described in any one of claim 1-7, it is characterised in that described head-mounted display apparatus is provided with the two pieces of display screens in left and right, described two pieces of display screens are respectively arranged with described liquid crystal lens array.
9. according to the head-mounted display apparatus based on liquid crystal lens array described in any one of claim 1-7, it is characterized in that, described head-mounted display apparatus is provided with one piece of display screen, it is provided with baffle plate in the middle part of described display screen, described display screen is divided into two pieces of independent viewing areas by described baffle plate, is respectively arranged with described liquid crystal lens array on described two pieces of viewing areas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025630.9U CN205562957U (en) | 2016-01-12 | 2016-01-12 | Wear -type display device based on liquid crystal lens array array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025630.9U CN205562957U (en) | 2016-01-12 | 2016-01-12 | Wear -type display device based on liquid crystal lens array array |
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| CN205562957U true CN205562957U (en) | 2016-09-07 |
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| CN201620025630.9U Withdrawn - After Issue CN205562957U (en) | 2016-01-12 | 2016-01-12 | Wear -type display device based on liquid crystal lens array array |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629469A (en) * | 2016-01-12 | 2016-06-01 | 杭州维素投资管理合伙企业（有限合伙） | Headset display device based on liquid crystal lens array |
| WO2019105323A1 (en) * | 2017-11-28 | 2019-06-06 | 腾讯科技（深圳）有限公司 | Display module, head-mounted display device, and stereoscopic image display method and apparatus |
-
2016
- 2016-01-12 CN CN201620025630.9U patent/CN205562957U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629469A (en) * | 2016-01-12 | 2016-06-01 | 杭州维素投资管理合伙企业（有限合伙） | Headset display device based on liquid crystal lens array |
| WO2019105323A1 (en) * | 2017-11-28 | 2019-06-06 | 腾讯科技（深圳）有限公司 | Display module, head-mounted display device, and stereoscopic image display method and apparatus |
| US11064187B2 (en) | 2017-11-28 | 2021-07-13 | Tencent Technology (Shenzhen) Company Limited | Display module, head mounted display, and image stereoscopic display method and apparatus |
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Granted publication date: 20160907 Effective date of abandoning: 20190315 |