CN202205428U - Tunnel advertisement - Google Patents
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- CN202205428U CN202205428U CN2011202177370U CN201120217737U CN202205428U CN 202205428 U CN202205428 U CN 202205428U CN 2011202177370 U CN2011202177370 U CN 2011202177370U CN 201120217737 U CN201120217737 U CN 201120217737U CN 202205428 U CN202205428 U CN 202205428U
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- 238000003384 imaging method Methods 0.000 claims abstract description 16
- 238000003491 array Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 12
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- 238000010586 diagram Methods 0.000 description 6
- 230000002688 persistence Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000013507 mapping Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 2
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- 230000008672 reprogramming Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
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- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
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- 210000001525 retina Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The utility model discloses a tunnel advertisement, comprising a dynamic imaging device of a LED lamp post, wherein a plurality of LED lamps are arranged into a LED lamp post and a plurality of LED lamp posts are arranged into arrays as a display device; a PC controls a main control module of the display device by a network, the main control module has an information storage function, the PC exchanges the storage information by the network and the main control module realizes the asynchronous display function with the PC; the signal is input into a scanning control module by a main controller to scan an image, the LED lamp post is driven by a display drive module to display the information; the main control module is connected with synchronous control module for generating a synchronous clock, thus the main control module and the LED lamp post display device are kept in the synchronously scanning state; the LED lamp post arrays are kept in the synchronously scanning state, thus a complete picture is displayed whenever the observer observes the picture. The tunnel advertisement is directly used for the correlative animation display in subways and railway tunnels.
Description
Technical field
The utility model relates to the dynamic imaging technology based on persistence of vision principle and motion image-forming principle, especially a kind of dynamic imaging device of LED lamppost and the application in tunnel advertisement thereof.
Background technology
Be accompanied by the development of LED technology, the display technique of being made up of the LED dot matrix has obtained greatly developing accordingly.Because advantages such as the high brightness of LED display technique, low-power consumption, large scale make it obtain very big application aspect advertisement demonstration.
In the prior art, the dynamic imaging technology is ripe relatively, for example is used for the dynamic imaging technology of tunnel advertisement, mainly contains following several kinds:
The first, projector is installed, directly on the tunnel wall with image projection on railway car.Technical characterstic: picture is clear, and synchronism is good, and the broadcasting speed and the speed of a motor vehicle are irrelevant, but because restrictions such as projector bulb life-span and price make its cost too high, does not have marketable value.
The second, an a width of cloth static advertising lamp box is installed on tunnel wall.Technical characterstic: technology is simple, easily operation; It is loaded down with trivial details that but advertisement is changed, and whenever changes an advertisement and need all lamp box pictures all be changed, and workload is big, and power consumption is bigger, and operating cost is too high.
The 3rd, a piece electronic display is installed on tunnel wall.Technical characterstic: easy integrated control, image information is changed easily; Shortcoming is a poor synchronization, dull coloring, and the too much expense of screen is excessive.
As everyone knows, people's naked eyes are when observing object, and the light signal of object emission imports cerebral nerve into; Need one of short duration period of experience, when light signal disappeared, vision imaging can't disappear immediately; But keep a very of short duration time, this of short duration trapping phenomena is known as " after image ", and visual this phenomenon then is known as " persistence of vision "; Promptly when light to vision that retina produced after light action stops, still keeping the phenomenon of a period of time.Object is when rapid movement, and after the image disappearance that human eye is seen, human eye still can continue to keep the image of its image 0.1-0.4 about second, because its duration of the reaction velocity of optic nerve is approximately 1/24th second.This is the basis that visual medias such as animation, film form and propagate.
The tunnel animation be exactly use in dynamically showing commonplace a kind of.On the tunnel wall of train process, arrange an a width of cloth the same still frame of similar cinefilm uniformly according to certain rule, out-of-date when the fast quick-action of train, the passenger can not see the picture of the animation effect that a width of cloth is continuous.
The utility model content
Above-mentioned deficiency to the prior art existence; The technical matters that the utility model will solve is; It is higher to overcome existing dynamic imaging technical operation cost, and advertising lamp box is changed information inconvenience, and the electronic display poor synchronization; The problem of dull coloring provides a kind of tunnel advertisement of dynamic imaging device of the LED of comprising lamppost.
The technological means that the utility model adopts is: a kind of tunnel advertisement; The dynamic imaging device that comprises the LED lamppost; It is characterized in that the dynamic imaging device of said LED lamppost is arranged in a LED lamppost by a plurality of LED lamps, a plurality of LED lampposts are formed array as display device; PC is through the main control module of network control display device, and wherein main control module has the information storage function, and PC can change its canned data through network, and main control module is realized and the asynchronous Presentation Function of PC; Master controller inputs to the scanning that the scan control module is carried out image with signal, and driver module driving LED lamppost makes it carry out the demonstration of information; Main control module be used to produce the synchronous clock synchronization control module and link to each other, keep scan-synchronized when making master control and LED lamppost display device; A plurality of LED lamppost arrays keep the synchronous of scanning, realize no matter when the observer observes the demonstration that picture can be realized complete picture.
Further, LED lamp array and driver module have cascade function, carry out the LED lamppost that cascaded series is built up scale with other LED lamp array modules; Wherein, LED lamp array module is made up of LED chip for driving and a plurality of LED lamp, and has cascade function, can carry out cascade with other LED lamp array modules and set up longer LED lamppost; The information of one frame picture is scanned within a certain period of time on same LED lamppost, adopt the mode driving LED lamppost of static drive to show different information.
Further; Said scan control module adopts the static scanning pattern that is complementary with the static drive pattern to scan; To receiving from the control module data; And view data suitably handled and conversion, produce scanning drive signal, scan data to accomplish on the LED lamppost display device according to parameter request again and show.
Compare prior art, the utlity model has following beneficial effect:
The utility model utilization persistence of vision principle; On every lamppost, carry out the column scan of pursuing of a view picture image information; Thereby realize in the short time at the volley that the different information that LED lamppost repeatedly scans can appear in the human brain simultaneously, form a complete picture.Therefore use multiple row LED lamppost array, and make all lampposts keep synchronous scanning, sweep frequency and speed of related movement are complementary, thereby realize can seeing at the volley that similar how secondary tableaux forms animation effect.Traditional LED display scanister is carried out reprogramming, make it when having scanned a column information, not change the column scan operation, but only carry out the repeatedly scanning of different information at these row of LED lamppost.The observer just can see a complete image information under the situation of the relative LED lamppost motion with certain speed like this.The utilization synchronous device sticks into row synchronously with the information scanning of all LED lamppost arrays; Make its every width of cloth image information scan round synchronous, can not risk the problem of a secondary complete tableaux to solve image information that every observer sees when the LED lamppost scans diverse location.The synchronous scanning of utilization LED lamppost array can realize that many lampposts show complete picture.
The utility model can directly apply to the relevant animation display of subway, railway tunnel, and in the various dynamic display device, can apply in the middle of the various toys and ornament with dynamic display of functional.It has the image sharpness height, and synchronism is good, and color effect is good, and reliability is high, is easy to integrated control, and cost is low, and technology is simple, advantages such as energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the principle schematic of the dynamic imaging device of the utility model LED lamppost.
Fig. 2 is the dynamic display effect synoptic diagram of whole white LED lamppost.
Fig. 3 is the dynamic display effect synoptic diagram of LED lamppost that carries out scan control.
Fig. 4 is the arrangement mode synoptic diagram that LED shows the lamppost array.
Fig. 5 is that LED shows that the lamppost matrix-like becomes the complete picture synoptic diagram.
Fig. 6 is a LED lamppost display system synoptic diagram.
Fig. 7 is the main control module system schematic.
Fig. 8 is the scan module system schematic.
Fig. 9 is a LED lamppost driver module synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Referring to Fig. 1 and Fig. 6, a kind of tunnel advertisement comprises the dynamic imaging device of LED lamppost, and the dynamic imaging device of said LED lamppost is arranged in a LED lamppost by a plurality of LED lamps, and a plurality of LED lampposts are formed arrays; PC is through the main control module of network control LED lamppost, and wherein main control module has the information storage function, and PC can change its canned data through network, and main control module is realized and the asynchronous Presentation Function of PC; Master controller inputs to the scanning that the scan control module is carried out image with signal, and driver module driving LED lamppost makes it carry out the demonstration of information; Main control module be used to produce the synchronous clock synchronization control module and link to each other, make master control and each LED lamppost keep scan-synchronized; A plurality of LED lamppost arrays keep the synchronous of scanning, realize no matter when the observer observes the demonstration that picture can be realized complete picture.Even first LED lamppost demonstration is not complete picture, because adjacent LED lamppost and previous LED lamppost keep synchronous scanning, two follow LED lamppost picture displayed to be stitched together can show a complete picture at least.
At first introduce below and only use a LED lamppost, in relative motion, show the principle of a view picture picture.
Suppose that speed of related movement at the uniform velocity, is made as the V meter per second.Use the persistence of vision principle; Seeing that from human eye a light signal disappears to light signal, is 1/24 second in the hold-up time of human eye, and (hold-up time varies with each individual; And relevant with institute display frame information brightness, here with 1/24 second just in order to ensure hold-up time of minimum).
As shown in Figure 1, the LED lamppost supposes here that with respect to displacement=1/24 of observer's motion second * V meter per second relative displacement is L in 1/24 second.We control the sweep frequency of LED; Make it in interval Ln bright once (explanation for ease here in second; Cast out the response time that the LED lamppost extinguishes, and human eye experiences the time of light, promptly Ln second brightly extinguish and in human eye, form immediately image immediately after once).As shown in Figure 1, P1 wherein, P2 ... Pn is a LED lamppost was presented in 1/24 second does not have disappearance in the human eye a picture.The image that when the LED lamppost is lighted and appear in people's the vision for the first time, in human brain, stays is P1, extinguishes then not present image, and to light the image that in human brain, stays again be P2 to the LED lamppost after the time of short duration through first Ln second.Because ln is far smaller than 1/24 second because " persistence of vision " principle, so when this time that forms the P2 image, image P1 still is present in the human brain and does not disappear immediately, like this Ln second after P1 follow P2 with being presented in the human brain simultaneously.And the like; Up to through 1/24 second (retentivity time of eye of human eye); Lamppost was lighted for the n time in this 1/24 second and in human brain, is formed Pn, because from forming P1 to forming Pn all within 1/24 second, so light and during at human brain formation image as Pn; The image that before begins from P1 all can appear in people's the brain simultaneously, and this has just formed the sensation of a light face.As shown in Figure 2 at the illustraton of model of human eye formation image with a hololeucocratic LED lamppost at 1/24 second.
Fig. 2 be each LED lamppost all be bright entirely, what form like this is exactly a light face.(equally scanning row as LED display scans next column again and just is equivalent to have only one to be listed as the LED fluorescent tube here and if the each bright signal of LED controlled; The different information of each scanning is divided into repeatedly scanning with the information of a whole secondary picture and gives a LED lamppost), under the situation of relative motion, just can in human eye, form a complete picture so.The each information that shows of the LED lamppost of Fig. 2 is controlled, just can be drawn illustraton of model as shown in Figure 3.Wherein " China " two words are because the LED lamppost is repeatedly being controlled the information that shows, through repeatedly to the control of display message, control wherein some lamp bright some do not work, just can obtain the similar figure of Fig. 3.The content of change scanning just can show different contents.The LED lamppost here is equivalent to the row that common display is shielded in difference imaging constantly, so we can control its sweep signal with traditional LED display control card.Make its every run-down not change column scan through the scan pattern that changes traditional scanning card, but with the information scanning of each row of width of cloth picture on same row LED lamppost, carry out timesharing and show; Also can use own special turntable driving module that one width of cloth picture should be presented at the constantly different of same lamppost in the information that different lines shows.Calculate us through the strictness of sweep frequency like this and can dynamically the time, see a whole secondary picture.Think that long-time at the volley display frame then needs rows of LED lampposts to distribute and shows.
Introduce rows of LED lamppost arrays below and show animation effect.LED lamppost under static is arranged like Fig. 4.Replace display screen or tableaux with every LED lamppost; With the tunnel advertisement is example; When train remains a constant speed motion basically; The passenger sees the LED lamppost that is evenly distributed on the tunnel wall, and every LED lamppost shows a width of cloth picture, supposes with the film movie principle to serve as that 24 LED lampposts were installed on the basis in 1/24 second; And keep used lamppost to keep scan-synchronized and sweep frequency identical, thereby the observer who moves like this can see that just the picture of a frame one frame reaches animation effect successively as seeing a film.
Here it should be noted that; Because every observer observes the moment difference of LED lamppost for the first time; Just can not guarantee every observer when observing, this LED lamppost just in time begins to scan first column information of a width of cloth picture, and this problem can following method solve: keep all LED lampposts to carry out scan-synchronized; Because adjacent LED lamppost scan-synchronized; When so even the observer saw first lamppost, this lamppost did not begin scanning from first row of picture, but a certain row in the middle of scanning.Because all synchronous scanning of LED lamppost; So the adjacent next LED lamppost of this LED lamppost also a certain row in the middle of scanning and also with row that previous LED is scanned are same row; It still is a complete picture that the picture that the half range picture that is formed by a back LED lamppost like this forms with previous LED lamppost is pieced together mutually, and just this width of cloth picture is to have two LED lampposts to realize jointly.As shown in Figure 5, when the observer saw LED1 for the first time, this lamppost is a certain row in the centre of scan image just, because scanning and the LED1 of LED2 are synchronous, so when human eye was seen the image that is formed by LED2 for the first time, LED2 was scanning the information with the LED1 same column.Combine just can in human eye, to form us with the first half of LED2 by the latter half of LED1 image like this and want the image effect that reaches, and the like just obtain the picture of a width of cloth width of cloth.
Some Determination of Parameters:
Confirming of resolution, the resolution of picture has direct relation with the point that each LED lamppost is contained, and the number that the LED lamppost comprises the LED lamp is made as n, if in order to keep the aspect ratio of 4:3, then resolution
=4n/3 * n (formula 1), if 600 points are arranged, then can form 800 * 600 resolution.
LED lamppost height confirms that the point of establishing adjacent lamps is apart from r, and then the height of LED fluorescent tube is:
H=(n-1) * r (formula 2)
Confirming of column scan frequency, establishing relative motion is V meter per second (hypothesis speed is enough soon to guarantee producing enough persisting the time here), row are passed by every used time of r distance
T=r ÷ V (formula 3), (do not have the pixel overlapping phenomenon in order to guarantee images displayed information, so serve as the time of calculating sweep frequency with time of relative motion r) is so the column scan frequency should be at least
F=1/T (formula 4)
For example: speed of related movement V=60 kilometer/hour; Promptly be about 16.7 meter per seconds, point is 0.0015m apart from r, and the LED lamppost includes 600 points; In the time of then will forming the picture of 800 * 600 resolution; 0.9 meter of the ≌ of the height H of LED lamppost=(600-1) * 0.015, and the width of picture is about 1.2 meters, then sweep frequency f=V ÷ 0.0015 ≌ 11111HZ.
Because the LED lamppost is dynamic with respect to the observer, simultaneously bright in order to keep the whole LED lamppost to have a few, so scan mode is selected the static scanning mode for use, type of drive is selected static drive for use.
System principle is as shown in Figure 6: PC is through the main control module of network control display device; Wherein main control module has the information storage function; PC can change its canned data through network, and main control module can be realized and the asynchronous Presentation Function of PC (promptly under the PC shutdown, still can show the information in its storer).It is to produce synchronous clock that synchronization control module mainly acts on, maintenance scan-synchronized when making its and other LED lamppost display device.Master controller inputs to the scanning that the scan control module is carried out image with signal, and driver module driving LED lamppost makes it carry out the demonstration of information.
Main control module, figure is as shown in Figure 7 for its system model.Major function is to receive the video information that PC imports into, signal is spliced buffer memory, and it is organized into the form of being convenient to scan control, then information transmission to scan control module is scanned demonstration.Make it have the function of synchronousing working through synchronization control module with the main control module of other LED display device.
The scan control module, its system chart is as shown in Figure 8.Mainly accomplish Data Receiving, and view data is suitably handled and conversion, produce scanning drive signal, scan data according to parameter request again and accomplish demonstration on the LED display device.Because the used display device of the utility model is single-row LED lamppost; It is the operation that a frame image information that originally is presented on the LED screen is scanned through timesharing; Carry out timesharing and be presented on the single-row LED lamppost, so just must the scan module of traditional LED display be changed.
Introduce the solution that the utility model provides now:
Scheme one: be the traditional LED display scan control module of repacking, thereby with traditional LED display scan control stick into do not change when capable reprogramming makes it scan first row row operate reach need scan control.Three kinds of implementation methods are arranged: (1) every width of cloth image information all has corresponding read/write address, has a mapping to correspond on the display screen on the corresponding physical address.The effect of scanister is exactly that information scanning with appropriate address is shown on the appropriate address of display device.Through changing this mapping, all column informations that make this mapping change over a width of cloth picture all correspond to the LED lamppost, and this lists face, and this lists so just can to realize that a secondary picture is scanned the LED lamppost.(2) scanning card is formed on has a column selection signal in the scan control signal, shining upon under the constant situation, the column selection signal is made amendment, and makes it select row perhaps not produce the column selection signal, and information is only scanned demonstration at these row of LED lamppost.(3) under mapping and all immovable situation of column selection signal, even make it have the output of changing scanning information under the column signal all to be connected these row of LED lamppost the connected mode change of output circuit and driving circuit.
Scheme two: self-designed L ED scanning card, with the deletion of column selection chip, generation does not comprise the sweep signal of changing column signal in the scan control module in driving circuit, only the view picture image information is divided into column scan signal and advances in the LED chip for driving by column scan.
LED lamppost and driver module integrate, and its system chart is as shown in Figure 9.Adopt the static drive pattern, wherein DATA is a viewdata signal, and CLK is a serial clock signal, and STR is a data latch signal, and EN is an enable signal, owing to have only row, so there is not the column selection chip not have the column selection signal here yet.LED lamp array and driver module have cascade function, can carry out cascaded series with other LED lamp array modules and build up the LED lamppost of wanting scale.
The utility model utilization persistence of vision principle is advanced single-row LED lamppost with the column information of view picture picture by column scan and is carried out timesharing and show, makes single-row LED lamppost realize tableaux and dynamic appearing of animation.Utilize the synchronous scanning control of multiple row LED lamppost, the observer just can see at least one width of cloth complete picture between two adjacent LED lampposts.
The utility model can be applicable to the relevant animation display of subway, railway tunnel, and in the various dynamic display device, can apply in the middle of the various toys and ornament with dynamic display of functional.
Explanation is at last; Above embodiment is only unrestricted in order to explanation the utility model technical scheme; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (3)
1. tunnel advertisement comprises the dynamic imaging device of LED lamppost it is characterized in that the dynamic imaging device of said LED lamppost is arranged in a LED lamppost by a plurality of LED lamps that a plurality of LED lampposts are formed arrays as display device; PC is through the main control module of network control display device, and wherein main control module has the information storage function, and PC can change its canned data through network, and main control module is realized and the asynchronous Presentation Function of PC; Master controller inputs to the scanning that the scan control module is carried out image with signal, and driver module driving LED lamppost makes it carry out the demonstration of information; Main control module be used to produce the synchronous clock synchronization control module and link to each other, keep scan-synchronized when making master control and LED lamppost display device; A plurality of LED lamppost arrays keep the synchronous of scanning, realize no matter when the observer observes the demonstration that picture can be realized complete picture.
2. according to the said tunnel advertisement of claim 1, it is characterized in that LED lamp array and driver module have cascade function, carry out the LED lamppost that cascaded series is built up certain scale with other LED lamp array modules; LED lamp array module is made up of LED chip for driving and a plurality of LED lamp, and has cascade function, can carry out cascade with other LED lamp array modules and set up longer LED lamppost; The information of one frame picture is scanned within a certain period of time on same LED lamppost, adopt the mode driving LED lamppost of static drive to show different information.
3. according to the said tunnel advertisement of claim 1; It is characterized in that; Said scan control module adopts the static scanning pattern that is complementary with the static drive pattern to scan, and to receiving from the control module data, and view data is suitably handled and conversion; Produce scanning drive signal, scan data according to parameter request again and accomplish demonstration on the LED lamppost display device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202177370U CN202205428U (en) | 2011-06-24 | 2011-06-24 | Tunnel advertisement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202177370U CN202205428U (en) | 2011-06-24 | 2011-06-24 | Tunnel advertisement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971606A (en) * | 2014-04-30 | 2014-08-06 | 中国科学院长春光学精密机械与物理研究所 | Spherical P4 heteromorphic LED globe target dynamic simulation display method and system |
| CN107632506A (en) * | 2016-07-19 | 2018-01-26 | 三星电子株式会社 | Beam controls back light unit and includes its holographic display |
| CN109841150A (en) * | 2017-11-28 | 2019-06-04 | 彭晓荣 | One kind is based on perspective medium advertisement technology device |
| RU2706249C1 (en) * | 2019-04-11 | 2019-11-15 | Общество с ограниченной ответственностью "МАКСИОЛ" | Video information display system for a moving object |
-
2011
- 2011-06-24 CN CN2011202177370U patent/CN202205428U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971606A (en) * | 2014-04-30 | 2014-08-06 | 中国科学院长春光学精密机械与物理研究所 | Spherical P4 heteromorphic LED globe target dynamic simulation display method and system |
| CN103971606B (en) * | 2014-04-30 | 2016-03-02 | 中国科学院长春光学精密机械与物理研究所 | Sphere P4 special shaped LED earth target dynamic simulative display method and system |
| CN107632506A (en) * | 2016-07-19 | 2018-01-26 | 三星电子株式会社 | Beam controls back light unit and includes its holographic display |
| CN107632506B (en) * | 2016-07-19 | 2021-08-31 | 三星电子株式会社 | Beam-controlled backlight unit and holographic display device including the same |
| CN109841150A (en) * | 2017-11-28 | 2019-06-04 | 彭晓荣 | One kind is based on perspective medium advertisement technology device |
| RU2706249C1 (en) * | 2019-04-11 | 2019-11-15 | Общество с ограниченной ответственностью "МАКСИОЛ" | Video information display system for a moving object |
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