CN202168171U - Three-dimensional image display system - Google Patents
Three-dimensional image display system Download PDFInfo
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- CN202168171U CN202168171U CN2011202611800U CN201120261180U CN202168171U CN 202168171 U CN202168171 U CN 202168171U CN 2011202611800 U CN2011202611800 U CN 2011202611800U CN 201120261180 U CN201120261180 U CN 201120261180U CN 202168171 U CN202168171 U CN 202168171U
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Abstract
The utility model relates to a three-dimensional image display system, comprising a display panel, grating electrodes and a controller used for controlling the display switching of the display panel and the shielding switching of the grating electrodes, and a head portion tracking system, wherein the grating electrodes are separately arranged into a plurality of units, each unit is separately arranged into a plurality of groups, the display panel displays left and right image points of an image according to the control signals of the controller and the grouping of the corresponding grating electrodes, the grating electrodes, according to the control signal of the controller, and the display panel simultaneously switch shielding, display the image, and transmit the left and right image points to the left and right eyes of an observer through shielding, thereby realizing wide three-dimensional visual angle display. The grating electrode and the display panel frame are rapidly switched in synchronization in the process of three-dimensional display, in a front semi-period the left eye and the right eye can respectively watch even column and odd column, and in a rear semi-period the left eye and the right eye can respectively watch the odd column and the even column, without damaging the frame, thereby realizing full resolution three-dimensional display.
Description
Technical field
The utility model relates to a kind of image display system, relates in particular to a kind of three-dimensional image display systems, specifically, relates to a kind of naked three-dimensional image display systems of looking, and claims auto-stereo display system again.
Background technology
As everyone knows, real world is the real 3 D stereo world, and the existing display device overwhelming majority can only show two-dimensional signal, can not give depth preception.For scene and the object that makes demonstration has depth preception (3D just), people attempt in every respect.The 3D imaging is to lean on two of people's sight equation to produce; Generally have the distance about 8 centimetres between two of the people; Let the people see the 3D image, must let left eye and right eye see different images, two secondary pictures are actual to have one section little gap; Just simulate actual persons and observe the situation when seeing, so just can have stereo perception.
Relatively early the 3D Display Technique of appearance and comparative maturity is to utilize anaglyph spectacles, promptly; Use two camera lens one the first from left right when taking stereo-picture exactly; The picture that the right and left eyes that obtains simulating is seen, the image frame of left side camera lens obtains horizontal polarised light through a horizontal polarizer filter then; The image frame of the right camera lens obtains vertical polarised light through a vertical polarizer filter.The left eye of anaglyph spectacles and right eye are loaded onto horizontal polarizer and vertical polarizer respectively; Horizontal polarised light can only pass through horizontal polarizer; Vertical polarised light can only so just guarantee that the thing of left side lens shooting can only get into left eye through vertical polarizer, the right lens shooting to thing can only get into right eye; So right and left eyes is seen the picture that influences of simulation respectively, retina obtains stereoscopic picture plane.Yet the shortcoming of this mode is to be difficult to real fully reduction colour information, possibly have certain colour cast, can't color rendition to those at the point of an eye imaging, in addition, wear for a long time this kind glasses may feel dizzy and eyeball dry and astringent.In addition, because light can only have part to get into eyes, picture brightness reduces greatly.
Also has a kind of stereo display method; Then be helmet-mounted display (Head-Mounted Display; HMD), its basic principle is: place a display screen respectively every eyes front, two display screens show the image that eyes should be seen separately respectively simultaneously; When two eyes are seen the image that includes potential difference, the 3D sensation has just produced.Now the kind of HMD is a lot, according to different needs, have monocular, binocular; Full throw-in type is arranged; Half throw-in type is also arranged.But HMD exists many shortcomings: for example wear HMD and observe, must reduce and observe the amusement that shows test, and comfortable and natural; Human eye so closely focuses on feels tired easily; Screen imaging is too little, must amplify as far as possible to reach consistent with the human eye finding visual field; And the cost of HMD also compares costliness etc.
Many shortcomings to above-mentioned 3D Display Technique; Work out a kind of novel 3D Display Technique recently again; The observer need not wear any optical viewer just can directly see 3D rendering, owing to need not wear the free stereo display mode of any aid, claims " bore hole formula 3D technology " again.This technology mainly contains two kinds of lens method and raster methods by the implementation method branch.Raster method also is called as light barrier-type 3D technology or parallax barrier technology, and its principle and polarization type 3D are comparatively similar.The implementation method of disparity barrier technology is to use a switch liquid crystal display screen, a polarizing coating and a high molecule liquid crystal layer, utilizes a liquid crystal layer to produce the vertical stripes that a series of optical direction becomes 90 ° with one deck polarizing coating.These stripeds are wide tens microns, and the light through these stripeds has just formed vertical slice grid pattern.When the stereo display pattern, which eyes can see that which pixel on the LCDs just controlled by these parallax barriers.In the time of should being presented on the liquid crystal display screen by the image that left eye is seen, opaque striped can block right eye; In like manner, in the time of should being presented on the liquid crystal display screen by the image that right eye is seen, opaque striped can block left eye.If turn off liquid crystal shutter, display just can become common two dimensional display.
On April 25th, 2007, disclosed one Chinese patent application was 200610136071.X number; Disclosed a kind of raster method 3 D image display device; This equipment comprises driving to have first and second display units and show simultaneously to have the display panel that difference can be discerned first and second images at visual angle, and the corresponding obstacle that is used to tackle or transmit light of arranging with display panel.At first, during the very first time section of display image not, first data-signal corresponding with first image write on first display unit, and second data-signal corresponding with second image write on second display unit.Subsequently, during second time period, thereby show first and second images through become first form obstacle transmission light at the second time period drive obstacle.Then, during the 3rd time period of display image not, second data-signal is write on first display unit and first data-signal is write on second display unit.At last, during the 4th time period, show first and second images thereby become the second form obstacle transmission light different with first form through the driving obstacle.Thereby the picture synthetic stereo image of right and left eyes is provided with this.This technology can provide the 3D rendering with 2D image equal resolution through the synchronous switching of obstacle and display panel.Yet, this technology, if observer's position change, the resulting picture of eyes just has deviation, and then obtain not fogging clear.Clear in order to guarantee, observer's position need constrain within the small range, that is, the 3D visual angle is narrower.
On June 15th, 2011, No. the 201010593615.1st, disclosed one Chinese patent application, disclosed a kind of 3D display system, and this system comprises main control system, switching device shifter, original screen panel, flat panel; Original screen panel is inboard to have first spacing with flat panel, and the original screen panel outside is the observer place; Main control system sends the signal that switches to the signal of bore hole stereo display state or switch to the bright state of full impregnated to switching device shifter; Switching device shifter is according to last switching signal; Respectively to original screen panel and flat panel transmit leg ripple signal and bore hole stereo video signals; Flat panel cooperates the slit grating striped to show the three-dimensional video-frequency information of bore hole stereo video signals indication, makes observer's eyes produce the three-dimensional video-frequency sensation.This technology can realize the switching of 2D, 3D picture, and still, 3D resolution significantly reduces than 2D resolution.
The utility model then provides a kind of new three-dimensional image display systems in order to improve or to solve the above problems.
The utility model content
The technical problem that the utility model will solve provides the three-dimensional image display systems that the wide and 3D display resolution in a kind of 3D visual angle is equal to the 2D display resolution.
The utility model solves above-mentioned technical problem through such technical scheme:
A kind of three-dimensional image display systems is provided; It comprises that display floater, grating electrode and control display floater show that switching and grating electrode block the controller of switching; This system further comprises head tracing system; Grating electrode is divided into some unit, and each unit branch is set as some groups, and said display floater is according to the left and right sides picture point of the grouping display image of the control signal of controller and corresponding grating electrode; Grating electrode switches simultaneously according to the control signal of controller and display floater and blocks and display image, and through blocking left and right sides picture point is delivered to observer's right and left eyes respectively.
As a kind of improvement, head tracing system comprises camera and process chip.
As a kind of improvement, reserve certain distance between grating electrode and the display floater.
As a kind of improvement, each unit branch of grating electrode is set as 6 groups.
As a kind of improvement; Define one-period, be defined as former and later two half periods in this cycle again, in the preceding half period; The grouping of the corresponding grating electrode of display floater; Demonstrate the image of the left and right sides apportion under the different conditions, grating electrode is then delivered to the even column left side picture of one of them state observer's left eye, and the right picture of the odd column of another state is delivered to observer's right eye; In the later half cycle; Display floater and grating electrode switch simultaneously; The grouping of the corresponding grating electrode of display floater demonstrates the image that the right side under the different conditions parts row on the left side; Grating electrode is then delivered to the odd column left side picture of one of them state observer's left eye, and the right picture of the even column of another state is delivered to observer's right eye.
As a kind of improvement, the seam of grating electrode is wide to be two row, and aperture opening ratio is 33%.
Compared with prior art; The utlity model has following advantage: grating electrode adopts the mode of packet design, utilizes head tracing system to obtain the observer position, and the position according to position adjustment grating seam makes the observer obtain correct image again; Thereby realize that wide 3D visual angle shows; Grating electrode and display floater picture synchronization were switched fast when 3D showed in addition, and preceding half period images of left and right eyes is seen idol, strange row respectively, and later half cycle images of left and right eyes is seen respectively very, the idol row; Do not lose picture, thereby realize that full resolution 3D shows.
Description of drawings
Fig. 1 is the configuration diagram of the utility model three-dimensional image display systems.
Fig. 2 is that the utility model is the grouping sketch map of the grating electrode of three-dimensional image display systems.
Fig. 3 a and Fig. 3 b are respectively grating electrode occlusion effect figure in former and later two half period.
Fig. 4 is the sketch map of the utility model display frame in former and later two half period.
Fig. 5 a is the state interior grating demonstration sketch map of former and later two half period once.
Fig. 5 b is that the grating in two times former and later two half period of state shows sketch map.
Fig. 6 is grating electrode occlusion effect figure in former and later two half period behind the observer shift position of three-dimensional image display systems of the utility model.
Embodiment
Specify the embodiment of the utility model below in conjunction with accompanying drawing.
Please join Fig. 1, be the system architecture sketch map of the utility model three-dimensional image display systems 10, this three-dimensional image display systems 10 comprises head tracing system 11, controller 12, display floater 13 and grating electrode 14.
Wherein, head tracing system 11 promptly, obtains the space coordinate of observer's relative light gate electrode 14 in order to obtain the position of observer with respect to display system, and head tracing system 11 mainly can comprise camera and process chip; Controller 12 sends a control signal to display floater 13 and grating electrode 14 according to the space coordinates information that head tracing system 11 obtains; Display floater 13 is in order to displays image information, and according to the control signal show state one of controller 12 image information with state two, and state one is with the grouping corresponding to grating electrode 14 of the image information of state two; Grating electrode 14 is mainly used in and blocks the right and left eyes image information; Promptly; Should be presented at 13 last times of display floater by the image that left eye is seen, grating electrode 14 opaque stripeds can block right eye, in like manner; Should be presented at 13 last times of display floater by the image that right eye is seen, grating electrode 14 opaque stripeds can block left eye.Display floater 13 has been formed slit grating stereo display with grating electrode 14.
Please join Fig. 2, be depicted as the packet mode of grating electrode 14, in this execution mode; Each unit of grating electrode 14 is divided into 6 groups; According to the size (resolution or size) of display floater, grating electrode is divided into some unit, is divided into four unit of U1-U4 in this execution mode.Blocking of the picture switching of each unit and grating electrode is identical.The following content of this execution mode will be told about with one of them unit as an example.
Please join Fig. 3 a and Fig. 3 b; The definition one-period; Each periodic optical grating electrode 14 and display floater 13 block identical with demonstration and following one-period, and each cycle, half period and later half cycle before being divided into again; The occlusion effect figure of the grating electrode 14 of half period before Fig. 3 a is, and Fig. 3 b is the occlusion effect figure of the grating electrode 14 in later half cycle.Please join Fig. 3 a; In the preceding half period; Through blocking of grating electrode 14, the image that makes observer's left eye El obtain comes from the even column of each unit of grating electrode 14, and the image that observer's right eye Er obtains comes from the odd column of each unit of grating electrode 14; In the later half cycle; Switching through grating electrode 14 with block; The image that makes observer's left eye El obtain comes from the odd column of each unit of grating electrode 14; And the image that observer's right eye Er obtains comes from the even column of each unit of grating electrode 14, each group, and promptly the image that obtains of the parity column in unit is defined as picture point.In fact; In former and later two half period, the image that obtains from grating electrode 14 is to correspond respectively to the image of state one and the image of state two, if demonstration is video; Then state one promptly is a front and back frame of forming animation with state two; And if static images, state one maybe be identical with state two, also possibly be the former primary colours RGB that forms pixel.The picture point of the state of seeing for left eye El one be defined as L1, and the picture point of the state of seeing two is L2, and the picture point of the state of seeing for right eye Er one be defined as R1, and the picture point of the state of seeing two is R2.Therefore, in one-period, left eye El has successively seen state one and state two picture point L1 and L2, and right eye Er has successively seen state one and state two picture point R1 and R2.Because period definition is shorter, be similar to left eye and see state one and state two picture point L1 and L2 simultaneously, right eye Er has seen state one and state two picture point R1 and R2 simultaneously.
Please join Fig. 4; Be depicted as the sketch map of the utility model display frame in former and later two half period; Wherein, the display floater picture is meant the picture that display floater 13 shows, and left eye picture and right eye picture then are the pictures that obtains after blocking through grating electrode 14.In the preceding half period, the grouping of corresponding grating electrode 14, the display floater picture demonstrates state one with state two left and right sides pictures; In this execution mode, picture layout be from grating electrode 14 first group to the 6th group, show R1, L2, R1, L2, R1, L2 respectively; This moment blocking through grating electrode 14; The picture point that left eye El obtains is the L2 of even column, and simultaneously, the picture point that right eye Er obtains is the R1 of odd column; In the later half cycle, the grouping of corresponding grating electrode 14 is switched in blocking simultaneously of display floater picture and grating electrode 14; The display floater picture demonstrates state one left and right sides picture with state two, picture layout be from grating electrode 14 first group to the 6th group, show L1, R2, L1, R2, L1, R2 respectively; This moment blocking through grating electrode 14; The picture point that left eye El obtains is the L1 of odd column, and simultaneously, the picture point that right eye Er obtains is the R2 of even column.Therefore, after whole cycle completion, the approximate left image of having seen state one and state two simultaneously of left eye El, and the approximate right image of having seen state one and state two simultaneously of right eye Er, both combinations have then produced stereo-picture.
Please join Fig. 5 a and Fig. 5 b, the grating that is depicted as in one, two times former and later two half period of state shows sketch map, and in this execution mode, grating electrode 14 is divided into 6 groups, and stitching wide is 2 row, and aperture opening ratio is about 33% like this, and 6 position adjustables are arranged.Grating divides into groups also can be other number in the practical application.
Please join Fig. 6, behind the observer shift position, grating electrode is occlusion effect figure in former and later two half period.Because head tracing system 11 is arranged; Even observer shift position; Also can control the occlusion effect (angle or col width) of grating electrode 14, thereby not receive observer's position influence basically, widen the 3D visual angle through the space coordinates information that controller 11 obtains by head tracing system 11.
According to the utility model, in one-period, left eye and right eye have obtained complete image information; Do not lose picture because of blocking of grating electrode, therefore, (2D demonstration) was identical when resolution that 3D shows and grating electrode full impregnated were bright; In addition; Head tracing system can promptly, have been expanded the 3D visual angle so that the limitation of observer present position diminishes.
In simple terms, the utility model provides a kind of novel three bit image display systems, can be a kind of slit grating formula 3 d display device particularly; Grating electrode adopts the mode of packet design, utilizes head tracing system to obtain the observer position, and the position according to position adjustment grating seam makes the observer obtain correct image again; Thereby realize that wide 3D visual angle shows; Grating electrode and display floater picture synchronization were switched fast when 3D showed in addition, and preceding half period images of left and right eyes is seen idol, strange row respectively, and later half cycle images of left and right eyes is seen respectively very, the idol row; Do not lose picture, thereby realize that full resolution 3D shows.
In addition, be to promote imaging effect, need to reserve certain distance between display floater and the grating electrode, the display floater picture displayed switch and grating electrode block switching, can accomplish by controller,
The above is merely the preferred embodiments of the utility model; The protection range of the utility model does not exceed with above-mentioned execution mode; As long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (6)
1. three-dimensional image display systems; It comprises that display floater, grating electrode and control display floater show that switching and grating electrode block the controller of switching; It is characterized in that: this system further comprises head tracing system; Grating electrode is divided into some unit, and each unit branch is set as some groups, and said display floater is according to the left and right sides picture point of the grouping display image of the control signal of controller and corresponding grating electrode; Grating electrode switches simultaneously according to the control signal of controller and display floater and blocks and display image, and through blocking left and right sides picture point is delivered to observer's right and left eyes respectively.
2. three-dimensional image display systems according to claim 1 is characterized in that: head tracing system comprises camera and process chip.
3. three-dimensional image display systems according to claim 1 and 2 is characterized in that: reserve certain distance between grating electrode and the display floater.
4. three-dimensional image display systems according to claim 1 and 2 is characterized in that: each unit branch of grating electrode is set as 6 groups.
5. three-dimensional image display systems according to claim 1; It is characterized in that: define one-period, be defined as former and later two half periods in this cycle again, in the preceding half period; The grouping of the corresponding grating electrode of display floater; Demonstrate the image of the left and right sides apportion under the different conditions, grating electrode is then delivered to the even column left side picture of one of them state observer's left eye, and the right picture of the odd column of another state is delivered to observer's right eye; In the later half cycle; Display floater and grating electrode switch simultaneously; The grouping of the corresponding grating electrode of display floater demonstrates the image that the right side under the different conditions parts row on the left side; Grating electrode is then delivered to the odd column left side picture of one of them state observer's left eye, and the right picture of the even column of another state is delivered to observer's right eye.
6. three-dimensional image display systems according to claim 4 is characterized in that: the seam of grating electrode is wide to be two row, and aperture opening ratio is 33%.
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| CN102662283A (en) * | 2012-05-25 | 2012-09-12 | 天马微电子股份有限公司 | Liquid-crystal slit grating, stereoscopic display device and calibration method of stereoscopic display device |
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| CN102662283A (en) * | 2012-05-25 | 2012-09-12 | 天马微电子股份有限公司 | Liquid-crystal slit grating, stereoscopic display device and calibration method of stereoscopic display device |
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| CN103533336B (en) * | 2012-07-06 | 2017-06-09 | 北京康得新三维科技有限责任公司 | High-resolution auto-stereoscopic display |
| CN103581655A (en) * | 2012-07-27 | 2014-02-12 | 三星显示有限公司 | Method of displaying three dimensional image and three dimensional display apparatus for performing the method |
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| US11196986B2 (en) | 2012-07-27 | 2021-12-07 | Samsung Display Co., Ltd. | Method of displaying three dimensional image and three dimensional display apparatus for performing the method |
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| CN104104934A (en) * | 2012-10-04 | 2014-10-15 | 陈笛 | Assembly And Method Of No-glasses And Multi-audience Three-dimensional Display |
| CN104104934B (en) * | 2012-10-04 | 2019-02-19 | 陈笛 | The component and method of the more spectators' Three-dimensional Displays of glasses-free |
| TWI452345B (en) * | 2012-10-26 | 2014-09-11 | Au Optronics Corp | Three dimensions display device and displaying method thereof |
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| CN105511179A (en) * | 2016-03-03 | 2016-04-20 | 京东方科技集团股份有限公司 | Liquid crystal display |
| CN111965828A (en) * | 2020-08-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Wearable device and image projection method |
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