CN103606340A

CN103606340A - Rotary display screen

Info

Publication number: CN103606340A
Application number: CN201310629101.0A
Authority: CN
Inventors: 金泰佑
Original assignee: DALIAN TAIYU SCIENCE & TECHNOLOGY Co Ltd
Current assignee: DALIAN TAIYU SCIENCE & TECHNOLOGY Co Ltd
Priority date: 2013-11-28
Filing date: 2013-11-28
Publication date: 2014-02-26

Abstract

The invention relates to the technical field of display devices and discloses a rotary display screen. The rotary display screen comprises a motor, a fixing body and a rotary frame installed on the fixing body. The rotary frame comprises a plurality of LED modules. Each LED module comprises a plurality of LED elements. The arrangement height of the LED elements of at least one first LED module is different from that of the LED elements of at least one second LED module. According to the rotary display screen, the arrangement modes of the LED elements in the LED modules are changed so that combinations of different residual images formed by height differences of the elements can be fully used to fill gaps between the elements, the pixel pitch of a displayed image can be effectively reduced, soft images with the high resolution ratio can be displayed under the condition that the number of the LED elements is not increased, and therefore the problem that the resolution ratio of the rotary display screen is limited to the installation gaps of the elements is solved.

Description

Rotary display screen

Technical field

The present invention relates to display device technical field, especially relate to a kind of rotary display screen.

Background technology

Due to LED(Light-Emitting Diode, light emitting diode) operating voltage is low, energy consumption is low, the life-span is long, energy active illuminating and brightness are higher, brightness can also use voltage (or electric current) to regulate, add and himself have the advantages such as shock-resistant, anti-vibration, current large-scale indoor and outdoor Graphic Panel substantially all adopts LED display as display device.But, being subject to the restriction of traditional display technique mode of thinking, existing electronic shows that version mostly is plane panel, just a large amount of LED lamps is formed to plane lattices and realizes and showing, does not make full use of that LED lamp is relatively independent, display mode advantage flexibly.LED lamp quantity that existing this plane display mode is used is more, thermal value is large, display area is limited simultaneously.

Utilize the visual persistence phenomenon of human eye, in prior art, occurred can 360 ° of displayings rotary display screen.As shown in Figure 1, existing rotary display screen generally uses at least one LED module around axle High Rotation Speed, wherein, LED module is vertically arranged and is formed by a plurality of LED lamps, the specific part that shows a two field picture at different position of rotation, then make synthetic complete figure and/or word image in human brain by persistence of vision principle.At Fig. 1 a, in three positions shown in Fig. 1 c, LED module has shown respectively a part for numeral " 3 ", finally in human eye, has obtained the complete image shown in Fig. 1 d.

Because being utilizes few LED lamp to show, keep certain resolution need to make LED module keep higher rotating speed, high-speed rotation is controlled and is had again higher requirement the demonstration of LED module, thereby in existing rotary display screen, conventionally has a plurality of parallel LED modules that distribute along even circumferential jointly to show.As shown in Figure 2, a plurality of

LED module

1W, 2W and 3W are all comprised of a row LED lamp 11, during for assurance rotation, displaying contents can accurately be connected, LED lamp corresponding in each module need to align with reference path 10, so the LED lamp of each module is conventionally with unified gap P(Pitch) be arranged on consistent height H 1, H2, H3, H4, H5.With further reference to Fig. 3, the spacing in the display frame that during rotational display, image retention forms between each pixel D is aforementioned gap P, and visible, the pixel resolution of display frame depends on the size of gap P.

But rotary display screen of the prior art has a maximum problem: the resolution of display frame determines by the gap P of LED lamp, and P less display effect in gap is better in theory; But in actual conditions, be subject to the restriction of mounting process, the interelement gap of LED can not infinitely dwindle, and is necessary for circuit trace, device layout leaves certain space, thereby the resolution of traditional rotary display screen is limited, cannot realize real high definition and show.

Summary of the invention

For the above-mentioned defect existing in prior art, technical matters to be solved by this invention is how to improve the resolution of rotary display screen.

For solving the problems of the technologies described above, the invention provides a kind of rotary display screen, comprise motor, stationary body and be arranged on the rotating frame on described stationary body; Described rotating frame comprises a plurality of LED modules, and described in each, LED module comprises the arrangement being formed by a plurality of LED elements; Wherein, at least one LED module is different with the LED element arrangements height at least one the 2nd LED module.

Preferably, in described rotary display screen, also comprise: the 3rd LED module that at least one is different from LED element arrangements height in a described LED module and described the 2nd LED module.

Preferably, in described rotary display screen: described a plurality of LED modules are divided into N group according to the difference of its LED element arrangements height, the LED module interval of each group arranges; Wherein, N is more than 2 natural number.

Preferably, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements difference in height in a described LED module and described the 2nd LED module is P/2.

Preferably, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements difference in height in a described LED module, described the 2nd LED module and described the 3rd LED module is P/3.

Preferably, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements height in the LED module of each group successively decreases with P/N.

Preferably, the LED element arrangements height in LED module of respectively organizing in the LED module of the gap of two adjacent LEDs element and/or each group requires difference and non-homogeneous setting according to display precision.

The invention provides a kind of improved rotary display screen, by changing the arrangement mode of LED element in LED module, interelement gap is filled up in the combination that makes full use of the different image retentions that the difference in height by element forms, can effectively reduce the pel spacing of display frame, in the situation that not increasing LED number of elements, can show the image softer, resolution is higher, thereby the resolution that has solved rotary display screen is subject to the problem of element assemblage gap restriction.

Accompanying drawing explanation

Fig. 1 is the imaging mode schematic diagram of the rotary display screen of prior art;

Fig. 2 is the layout type schematic diagram of LED module and element in the rotary display screen of prior art;

Fig. 3 is the rotary display screen imaging effect schematic diagram of prior art;

Fig. 4 is the layout type schematic diagram of LED module and element in the rotary display screen of a preferred embodiment of the present invention;

Fig. 5 is the rotary display screen imaging effect schematic diagram of a preferred embodiment of the present invention;

Fig. 6 is the perspective view of rotary display screen in embodiments of the invention;

Fig. 7 is the layout type schematic diagram of LED module and element in the rotary display screen of another preferred embodiment of the present invention;

Fig. 8 is the rotary display screen imaging effect schematic diagram of another preferred embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is for implementing preferred embodiments of the present invention, and described description is to illustrate that rule of the present invention is object, not in order to limit scope of the present invention.Protection scope of the present invention should with claim the person of being defined be as the criterion, the embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.

Rotary display screen realized 360 ° of cylindricality display surfaces by the persistence of vision effect of rotating LED module and forming, and it has greatly reduced the quantity of the required LED lamp of display screen, but meanwhile this mode has also caused certain influence to display effect.In order to improve display effect, the present invention improves the LED module of rotary display screen, thereby in softer mode, has realized the demonstration of high resolution image.

Referring to Fig. 4, in one embodiment of the invention, the LED module of rotating display device is divided into many groups, this rotating display device comprises: motor, stationary body and be arranged on the rotating frame on described stationary body; Described rotating frame comprises a plurality of LED modules, and described in each, LED module comprises the arrangement being formed by a plurality of LED elements; Wherein, the arrangement of the LED element at least one LED module and at least one the 2nd LED module is highly different.Particularly, in Fig. 4, take two groups arrange highly different LED modules and be illustrated as example, in Fig. 4, the one LED module 1W and the 2nd LED module 2W interval arrange, LED element 11 in the one LED module 1W forms one with identical gap P and vertically arranges, downward from uppermost LED element 11, the height of the LED element 11 in arrangement is followed successively by H1, H2, H3, H4, H5 ... LED element 11 in a plurality of LED modules aligns with the first reference path 10 when rotated.LED element 12 in the 2nd LED module 2W also forms one with identical gap P and vertically arranges, downward from uppermost LED element 12, the height of the LED element 12 in arrangement is all different from a LED module, is followed successively by H1', H2', H3', H4', H5' ... LED element 12 in the 2nd LED module aligns with the second reference path 20 when rotated.In the preferred embodiment shown in Fig. 4, the low 1/2P of height of each corresponding LED element 11 in the residing aspect ratio of each LED element 12 the one LED module in the 2nd LED module 2W, every second reference path 20 forming when this makes to rotate is just in time positioned at the center of adjacent two the first reference path 10.

The example of display effect when Fig. 5 has shown the rotary display screen work in Fig. 4, by motor, drive rotating frame to pivot, pixel in display frame comprises the image retention D of a LED module formation and the image retention D' that the 2nd LED module forms, because of visual persistence phenomenon, two kinds of image retentions combine mutually, so pel spacing is reduced into P/2 in display frame.As can be seen here, adopt the mode in the embodiment of the present invention can significantly reduce pel spacing, thereby improved the ability (2 times that on vertical direction, resolution is traditional approach) of rotary display screen display of high resolution images.

Fig. 6 has shown a kind of complete spatial structure of rotary display screen of the present invention, a plurality of LED elements 1 are vertically arranged and have been formed LED module 2, each LED module 2 is connected with central rotating shaft by a web member 3, and a plurality of LED module 1W～8W are parallel to each other and are evenly distributed on the common rotating frame that forms on rotation round.Above-mentioned rotating frame is arranged on stationary body 4, under the driving that is arranged on equally the motor 5 on stationary body 4, around central rotating shaft, rotates.In addition, in rotary display screen outside, be also provided with shell 6, be used for inner each assembly to carry out suitable protection.According to the preferred embodiment of Fig. 4, a plurality of LED module 1W～8W are divided into two groups, and two groups of LED module intervals arrange, and in LED module on the same group, the height of each LED element arrangements is identical, and element arrangements height is on the same group not different.In procedure for displaying, by control module, according to the distribution mode of LED module, picture to be shown is resolved into a plurality of parts, control the rotating speed of rotating frame simultaneously, make each LED module show in position the picture part that this module is responsible, the image retention that finally rotates resulting persistence of vision by a plurality of LED modules forms complete cylinder display frame jointly.

Fig. 7, Fig. 8 have further shown another preferred embodiment of the present invention, wherein take three groups arrange highly different LED modules and be illustrated as example.In Fig. 7, the one LED module 1W, the 2nd LED module 2W and the 3rd LED module 3W interval arrange, LED element 11 in the one LED module 1W forms one with identical gap P and vertically arranges, downward from uppermost LED element 11, the height of the LED element 11 in arrangement is followed successively by H1, H2, H3, H4, H5 ... LED element 11 in a plurality of LED modules aligns with the first reference path 10 when rotated.LED element 12 in the 2nd LED module 2W also forms one with identical gap P and vertically arranges, downward from uppermost LED element 12, the height of the LED element 12 in arrangement is all different from a LED module, is followed successively by H1', H2', H3', H4', H5' ... LED element 12 in the 2nd LED module aligns with the second reference path 20 when rotated.LED element 13 in the 3rd LED module 3W also forms one with identical gap P and vertically arranges, downward from uppermost LED element 13, the height of the LED element 13 in arrangement is all different from a LED module and the 2nd LED module, is followed successively by H1 ", H2 ", H3 ", H4 ", H5 " ... the LED element 13 in the 3rd LED module aligns with the 3rd reference path 30 when rotated.In the preferred embodiment shown in Fig. 7, the low 1/3P of height of each corresponding LED element 11 in the residing aspect ratio of each LED element 12 the one LED module in the 2nd LED module 2W, in the 3rd LED module 3W, the residing height of each LED element 13 is again than the low 1/3P of height of each LED element 12 corresponding in the 2nd LED module, and three

reference path

10,20,30 that form when this makes to rotate are just in time distributed between the gap P of adjacent LED element equally spacedly.

The example of display effect when Fig. 8 has shown the rotary display screen work in Fig. 7, by motor, drive rotating frame to pivot, pixel in display frame comprises image retention D, the image retention D' of the 2nd LED module formation and the image retention D of the 3rd LED module formation that a LED module forms "; because of visual persistence phenomenon; three kinds of image retentions combine mutually, so pel spacing is reduced into P/3 in display frame.As can be seen here, adopt the mode in the preferred embodiment can further reduce pel spacing, thereby improved the ability (3 times that on vertical direction, resolution is traditional approach) of rotary display screen display of high resolution images largelyr.

Above preferred embodiment has been described LED module and has been divided into two kinds of forms of arranging height or three kinds of arrangement height, relevant technical staff in the field will be understood that, above preferred embodiment is only as exemplary illustration, technical scheme of the present invention is obviously applicable to more kinds of patterns of arranging height, and aforementioned preferred embodiments should not regarded limitation of the present invention as.In other preferred embodiments, LED module is divided into N group according to element arrangements height, and the LED module interval of each group arranges, and utilizes the high-resolution display frame of the overlapping acquisition of height official post image retention of LED element.More preferably, in each LED module, the interelement gap of LED equates, each arrangement difference in height of organizing LED module also equates; Take N group as example, if interelement gap is P, each group is arranged height and is successively decreased with P/N.Certainly, gap equates and the even set-up mode of height equal difference is one of the preferred embodiment of the present invention, in other preferred embodiment, if display precision is required to lower (such as in picture corner) in some region, obviously also can suitably increase interelement gap or increase the even directly LED element in clipped module etc. of difference in height, to reduce the use amount of LED element, reduce energy consumption and thermal value.Or, only in the density of arranging (dwindle gap, reduced height is poor or increases element etc.) that needs the region increase LED element of high definition demonstration.

Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.

Claims

1. a rotary display screen, comprises motor, stationary body and is arranged on the rotating frame on described stationary body; Described rotating frame comprises a plurality of LED modules, and described in each, LED module comprises the arrangement being formed by a plurality of LED elements; It is characterized in that, in described rotary display screen:

At least one LED module is different with the LED element arrangements height at least one the 2nd LED module.

2. rotary display screen according to claim 1, is characterized in that, in described rotary display screen, also comprises:

The 3rd LED module that at least one is different from LED element arrangements height in a described LED module and described the 2nd LED module.

3. rotary display screen according to claim 1, is characterized in that, in described rotary display screen:

Described a plurality of LED module is divided into N group according to the difference of its LED element arrangements height, and the LED module interval of each group arranges; Wherein, N is more than 2 natural number.

4. rotary display screen according to claim 1, is characterized in that, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements difference in height in a described LED module and described the 2nd LED module is P/2.

5. rotary display screen according to claim 2, it is characterized in that, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements difference in height in a described LED module, described the 2nd LED module and described the 3rd LED module is P/3.

6. rotary display screen according to claim 3, is characterized in that, in each LED module, the gap of two adjacent LEDs element is P, and the LED element arrangements height in the LED module of each group successively decreases with P/N.

7. rotary display screen according to claim 3, is characterized in that, respectively in LED module of group, the LED element arrangements height in the gap of two adjacent LEDs element and/or the LED module of each group requires difference and non-homogeneous setting according to display precision.