CN110177267A - A kind of 3D effect display methods of planar LED screen - Google Patents
A kind of 3D effect display methods of planar LED screen Download PDFInfo
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- CN110177267A CN110177267A CN201910533608.3A CN201910533608A CN110177267A CN 110177267 A CN110177267 A CN 110177267A CN 201910533608 A CN201910533608 A CN 201910533608A CN 110177267 A CN110177267 A CN 110177267A
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- led screen
- planar led
- eye video
- effect display
- display methods
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention discloses a kind of 3D effect display methods of planar LED screen, this method comprises: parsing 3D vision signal to isolate left-eye video picture and right eye video pictures, and successively show the left-eye video picture and right eye video pictures by planar LED screen；Left-eye video picture is selectively penetrated for left eye using shutter type 3 D spectacles and selectively penetrates right eye video pictures for right eye；Switched by the specific aim images of left and right eyes visual field on-off of shutter type 3 D spectacles, 3D effect is presented in planar LED screen, and LED screen high brightness characteristic increases applicability suitable for outdoor brighter usage scenario, improves user experience.
Description
Technical field
The present invention relates to a kind of 3D effect display methods, and in particular to a kind of 3D effect display methods of planar LED screen.
Background technique
3D means three-dimensional graph.Since the angle of the eyes observation object of people slightly has difference, object can be distinguished
Body is far and near, generates three-dimensional vision.3 D stereoscopic image TV exactly utilizes this principle, the image that right and left eyes are watched point
From.3D display technology can be divided into spectacle and naked eye type two major classes.Naked eye 3D is currently used primarily in public business situations, in the future
It can also be applied on the portable devices such as mobile phone.And in household consumer field, either display, projector or TV, now
It is all being to need that 3D glasses is cooperated to use.
The 3D TV occurred at present generally uses polarization technology, and the spy of specific polarization eyeglass can only be penetrated using polarised light
Property, using the LCD screen that can produce polarised light while showing two pictures.For example, the two pictures can be named as
H1, H2, and H1 and H2 use the polarised light in different polarization direction to show respectively.User wears the glasses using polarized lenses, and
Polarized lenses can be divided into two classes of lateral misalignment vibration or vertical polarization, for example be named as J1, J2.Assuming that the glasses left eye that user is worn makes
With J1 eyeglass, right eye uses J2 eyeglass, and J1 eyeglass can penetrate the polarised light of H1 picture, and J2 eyeglass can be through the inclined of H2 picture
Shake light；When watching television image, original tv picture is made of H1, H2 mixing, is filtered when by J1 eyeglass and J2 eyeglass
Afterwards, the picture for reaching eyes of user is just filtered into left eye and shows that H1 picture, right eye show H2 picture.Thus the eyes of user can be allowed
The different pictures from the same LCD screen are watched, are adjusted content that H1 and H2 are shown just to user with the illusion of 3D,
And the 3D video content that all spectators are watched by same screen is all identical；And in the prior art, 3D display technology is applicable in field
Scape is poor to outdoor brighter use environment applicability generally in black dull environment.
Therefore, in order to solve the above problem, a kind of 3D effect display methods of planar LED screen is needed, plane can be utilized
LED screen shows 3D effect, increases applicability, improves user experience.
Summary of the invention
In view of this, providing a kind of 3D effect of planar LED screen the purpose of the present invention is overcoming defect in the prior art
Fruit display methods can show 3D effect using planar LED screen, increase applicability, improve user experience.
A kind of 3D effect display methods of planar LED screen of the invention, packet this method comprises:
Parsing 3D vision signal to isolate left-eye video picture and right eye video pictures, and by planar LED screen according to
It is secondary to show the left-eye video picture and right eye video pictures；
Left-eye video picture is selectively penetrated and for right eye selectively through right for left eye using shutter type 3 D spectacles
Eye video pictures.
Further, the 3D vision signal of parsing by be in communication with each other the 3D sending card of connection and 3D receive card be transferred into it is flat
Face LED screen, 3D sending card also passes through 3D synchronization signal wireless transmitter and shutter type 3 D spectacles wireless synchronization communicates to connect.
Further, the video received is stored in outside piece in DDR by the 3D sending card, and when storage successively presses each of image
Row storage is successively alternately taken out left and right video and is drawn according to the storage address of each pixel of image from DDR when sending video
Face image is sent.
Further, the frame rate that 3D sending card sends video is 120Hz, and alternating per second sends out 60 frame left-eye video pictures
With 60 frame right eye video pictures, 3D receives card and shows the 120Hz comprehensive video picture come is received on planar LED screen.
Further, the core processing unit of the 3D sending card is FPGA.
The beneficial effects of the present invention are: a kind of 3D effect display methods of planar LED screen disclosed by the invention, by fast
The specific aim images of left and right eyes visual field on-off of gate-type 3D glasses switches, and is presented 3D effect in planar LED screen, and LED screen high brightness
Characteristic is suitable for outdoor brighter usage scenario, increases applicability, improves user experience.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is overall structure figure of the invention；
Fig. 2 is the images of left and right eyes video pictures picture in the present invention；
Fig. 3 is DDR storage unit image storage format schematic diagram in the present invention.
Specific embodiment
Fig. 1 is overall structure figure of the invention, and Fig. 2 is the images of left and right eyes video pictures picture in the present invention, and Fig. 3 is this hair
Bright middle DDR storage unit image storage format schematic diagram, as shown, the 3D of one of the present embodiment planar LED screen is imitated
Fruit display methods this method comprises: parsing 3D vision signal to isolate left-eye video picture and right eye video pictures, and passes through
Planar LED screen successively shows the left-eye video picture and right eye video pictures；It is selected using shutter type 3 D spectacles for left eye
Selecting property selectively penetrates right eye video pictures through left-eye video picture and for right eye；The 3D vision signal of parsing passes through mutual
The 3D sending card and 3D of communication connection receive card and are transferred into planar LED screen, and it is wireless that 3D sending card also passes through 3D synchronization signal
Transmitter and shutter type 3 D spectacles wireless synchronization communicate to connect；3D sending device is designed using eye image migration technology, is connect
The 3D video of receipts is left-right format, and overall structure figure is as shown in Figure 1, the core processing unit of 3D sending card is FPGA
(Field-Programmable Gate Array), i.e. field programmable gate array, it can be compiled in PAL, GAL, CPLD etc.
The product further developed on the basis of journey device, received video frame rate is 60Hz, i.e., per second to have 60 frame images to broadcast
It puts, and each image is right and left eyes format, as shown in Figure 2；
The video received is stored in outside piece in DDR (Double Data Rate synchronous DRAM, people's habit title by FPGA
For DDR), and store when is successively store by every a line of image, then every according to image from DDR when output video
The storage address of a pixel is successively alternately taken out left and right picture image and is sent, and the frame rate for sending video is
120Hz, i.e., alternating per second send out the left picture of 60 frames and the right picture of 60 frames.Then card is received to show the 120Hz video come is received
Show on LED mosaic screen.The storage format of input video is as shown in figure 3, the resolution ratio of such as input picture is N*M；Due to a left side
Eye image appears alternatively on LED mosaic screen, so we need the spectators when LED mosaic screen shows left-eye image
It is also such when having left eye it can be seen that image, and sending eye image.Accomplish that this point is just necessary for spectators and is equipped with shutter
Formula 3D glasses are just able to achieve.And 3D sending card can also send right and left eyes synchronization signal while sending video, right and left eyes are synchronous
Signal is the alternate 60Hz pulse signal of low and high level, and what wherein high level representative was being transmitted is left-eye image, low level generation
What table was transmitting is eye image, and right and left eyes synchronization signal is then sent to shutter by 3D synchronization signal wireless transmitter again
It is synchronous with left and right video pictures to reach right and left eyes to control the light transmittance of shutter type 3 D spectacles or so eyeglass for formula 3D glasses
Purpose, and then reach the viewing effect of 3D video；Shutter type 3 D spectacles are using IR (infrared) and RF communication mode and 3D
TV is communicated, and a kind of 3D glasses of 3D effect are realized by liquid crystal glasses.
In conjunction with shutter type 3 D spectacles, show that 3D effect is suitable for using the high brightness of LED screen using planar LED screen
Outdoor brighter usage scenario, increases applicability, improves user experience.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (5)
1. a kind of 3D effect display methods of planar LED screen, it is characterised in that: this method comprises:
Parsing 3D vision signal is successively shown with isolating left-eye video picture and right eye video pictures by planar LED screen
Show the left-eye video picture and right eye video pictures；
It selectively penetrates left-eye video picture for left eye using shutter type 3 D spectacles and selectively penetrates right eye for right eye and regard
Frequency picture.
2. a kind of 3D effect display methods of planar LED screen according to claim 1, it is characterised in that: the 3D of parsing
Vision signal receives card by the 3D sending card and 3D that are in communication with each other connection and is transferred into planar LED screen, and 3D sending card is also logical
It crosses 3D synchronization signal wireless transmitter and shutter type 3 D spectacles wireless synchronization communicates to connect.
3. a kind of 3D effect display methods of planar LED screen according to claim 2, it is characterised in that: the 3D hair
The video received is stored in outside piece in DDR by card feed, and when storage successively presses every a line storage of image, from DDR when sending video
The middle storage address according to each pixel of image is successively alternately taken out left and right video pictures image and is sent.
4. a kind of 3D effect display methods of planar LED screen according to claim 3, it is characterised in that: 3D sending card
The frame rate for sending video is 120Hz, and alternating per second sends out 60 frame left-eye video pictures and 60 frame right eye video pictures, and 3D connects
It receives card and is shown the 120Hz comprehensive video picture come is received on planar LED screen.
5. a kind of 3D effect display methods of planar LED screen according to claim 4, it is characterised in that: the 3D hair
The core processing unit of card feed is FPGA.
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| CN201910533608.3A CN110177267A (en) | 2019-06-19 | 2019-06-19 | A kind of 3D effect display methods of planar LED screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040216A (en) * | 2020-08-31 | 2020-12-04 | 上海国威互娱文化科技有限公司 | Active 3D broadcast control system |
| CN113038115A (en) * | 2021-03-19 | 2021-06-25 | 深圳市联赢科技有限公司 | 3D film watching system suitable for electronic screen |
| CN113840128A (en) * | 2020-06-23 | 2021-12-24 | 上海三思电子工程有限公司 | 3D display method, device, equipment, system and medium for LED display screen |
| CN115174883A (en) * | 2022-06-28 | 2022-10-11 | 深圳市安卓安科技有限公司 | Active 3D effect display method, system and equipment based on planar OLED screen |
| WO2024021776A1 (en) * | 2022-07-26 | 2024-02-01 | 惠州Tcl移动通信有限公司 | Image display device and method based on 3d display technology |
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Address after: 100085 1408, Building 29, yard 9, anningzhuang West Road, Haidian District, Beijing Applicant after: Beijing kaishida Technology Co.,Ltd. Address before: 100085 1408, Building 29, yard 9, anningzhuang West Road, Haidian District, Beijing Applicant before: BEIJING KYSTAR TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190827 |
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