Disclosure of Invention
The invention aims to provide a far-image display and aims to solve the technical problem of how to realize a large-size far-image display with low cost.
In order to achieve the above object, the present invention provides a far-image display including:
The shell is internally provided with a containing cavity, and an opening communicated with the containing cavity is formed in the shell;
the display panel is arranged at the opening;
the image display unit is arranged in the accommodating cavity;
The reflection device is arranged in the accommodating cavity and comprises a first reflector and a driving assembly which are in transmission connection, the driving assembly is used for driving the first reflector to rotate, the area through which the first reflector rotates is defined as a reflection area, light rays emitted by the image display unit can pass through the display panel to be reflected to the reflection area, and the first reflector can reflect the light rays reflected by the display panel to the display panel.
In an embodiment, the first reflector is provided with a reflecting surface, the reflecting surfaces defined at different rotation angles enclose a reflecting concave surface together, and the reflecting concave surface is disposed towards the display panel.
In an embodiment, the first reflector edge region has a different diopter size than the first reflector intermediate region.
In an embodiment, the first reflector includes a first strip-shaped reflector, the first strip-shaped reflector includes a connecting portion and end portions disposed at two ends of the connecting portion along a first direction, and the driving assembly is in transmission connection with the connecting portion, so that a rotation center of the strip-shaped reflector is located at the connecting portion.
In an embodiment, the rotation center is located at the center of the connection portion.
In an embodiment, two side surfaces of the first strip-shaped reflecting piece, which are oppositely arranged along the second direction, are concavely arranged inwards, and the first direction and the second direction are perpendicular.
In an embodiment, the first reflector further includes a second strip-shaped reflector, and the second strip-shaped reflector is connected to the connection portion.
In an embodiment, the number of the second strip-shaped reflectors is plural, and the plural second strip-shaped reflectors are sequentially arranged along the rotation direction of the first strip-shaped reflectors.
In an embodiment, the reflecting device further comprises a second reflector, the second reflector is stacked with the first reflector, and the driving assembly can drive the first reflector and the second reflector to rotate.
In an embodiment, the driving assembly comprises a motor and a supporting disc, a rotating shaft of the motor is connected with the supporting disc, a light absorbing surface is arranged on one side, away from the motor, of the supporting disc, and the light absorbing surface is connected with the first reflector.
In an embodiment, the far-image display further includes a correction Qu Toujing, and the correction Qu Toujing is disposed on the light-emitting side of the image display unit.
According to the technical scheme, the driving assembly drives the first reflector to rotate, so that the area where the first reflector passes forms a reflecting area, and the first reflector can reflect light rays reflected by the display panel to the display panel, so that far-image display can be realized by using the reflecting device instead of the existing large-area concave reflecting mirror, compared with the large-area reflecting mirror, the cost is lower, and the problem of non-uniformity of four quadrants caused by the adoption of the large-area reflecting mirror is avoided due to the high-speed rotation of the first reflector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, and right) in the embodiment of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in fig. 3), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" can include at least one such feature, either explicitly or implicitly.
Moreover, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to be based on the fact that those skilled in the art can realize the technical solutions, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination of the technical solutions does not exist, and the combination is not within the scope of protection required by the present invention.
At present, the sizes of the existing far-image displays are generally smaller because the requirements on the continuity of the curved surfaces of the concave reflectors used by the far-image displays are higher, the concave reflectors with larger areas are not easy to manufacture and have high cost, and the concave reflectors with larger areas are limited by the prior art and are difficult to produce or can not be produced, so that the technical problem which needs to be overcome is undoubtedly for the scenes with the use requirements in the aspect.
In an embodiment, as shown in fig. 1-4, the far-image display 1 comprises a housing 11, a display panel 12, an image display unit 13 and a reflecting device 14, wherein a containing cavity 111 is formed in the housing 11, an opening 112 communicated with the containing cavity 111 is formed in the housing 11, the display panel 12 is arranged at the opening 112, the image display unit 13 is arranged in the containing cavity 111, the reflecting device 14 comprises a first reflector 141 and a driving component 143 which are in transmission connection, the driving component 143 is used for driving the first reflector 141 to rotate, a region through which the first reflector 141 rotates is defined as a reflecting region 14114, light rays emitted by the image display unit 13 can be reflected to the reflecting region 14114 through the display panel 12, and the first reflector 141 can reflect the light rays reflected by the display panel 12 to the display panel 12.
The invention provides an alternative scheme which can be implemented for the use situation that the driving component 143 drives the first reflector 141 to rotate, and the first reflector 141 is used for replacing a large-area concave mirror to form a large-area concave mirror to realize the far-image display, and the problem that the large-area concave mirror cannot be completely rotated due to the fact that the rotating first reflector 141 forms the large-area concave mirror to realize the far-image display is difficult to realize due to the fact that the rotating first reflector 141 replaces the large-area concave mirror, is solved by adopting the technical scheme of rotating the large-area concave mirror, and the problem that the large-area concave mirror cannot be realized due to the fact that the large-area concave mirror is difficult to realize is solved due to the fact that the rotating first reflector 141 replaces the large-area concave mirror to realize the far-image display is realized. It should be noted that, the area of the reflecting surface 14113 of the first reflector 141 is smaller than the area of the reflecting area 14114, so that the first reflector 141 rotating at high speed is lower in cost than a large-area concave mirror having similar reflecting effect. It should be noted that, a part of the light emitted from the image display unit 13 can pass through the display panel 12 to form stray light, another part of the light is reflected by the display panel 12 to the first reflector 141, and then the first reflector 141 reflects the light, and the reflected light passes through the display panel 12 to be received by human eyes, so that the human eyes a can see an enlarged and zoomed image virtual image B through the display panel 12, wherein the display panel 12 can be a half-transparent half-reflective plate or an optical structural member capable of generating the same effect.
According to an embodiment of the present invention, the far-image display 1 may be mounted on a wall of a building of a mall, specifically, the far-image display 1 further includes a mounting wall 23, the mounting wall 23 encloses a mounting cavity 24, at least a portion of a body of the housing 11 is disposed in the mounting cavity 24, the housing 11 may be disposed near a top of the mounting cavity 24, the housing 11 is connected to the mounting wall 23, the mounting wall 23 is provided with a viewing opening 25, the display panel 12 is disposed at the viewing opening 25, and a light-emitting surface of the display panel 12 is disposed outwards, that is, away from the mounting cavity 24, so that a human eye a located outside the mall can observe an enlarged and zoomed-out virtual image B through the display panel 12. The mounting wall 23 may be a peripheral wall of the mall building or a wall inside the mall building, and the human eye a can observe a magnified virtual image B through the display panel 12. Taking the mounting wall 23 as a peripheral wall of a market building as an example, the distance of the virtual image can be far, and the area of the reflecting area 14114 is large, so that people can see a virtual image with an oversized size outside the market building, and visual shock is given to people, further, the requirements that a large-area concave mirror is needed but a use scene of the large-area concave mirror cannot be produced are met, and as for the mounting wall 23 as a wall in the market building, people can see a virtual image with an oversized size inside the market building can be realized. Meanwhile, the market can also make the far image display 1 into a far image backdrop advertisement machine through the mode, and the large-size virtual image advertisement is projected in front of the eyes of customers.
Of course, the housing 11 of the far-image display 1 can also be directly installed on a wall of a market building, at this time, an installation cavity 23 is formed on the wall, at least part of the body of the housing 11 is disposed in the installation cavity 24, the housing 11 can be disposed near the top of the installation cavity 24, the housing 11 is connected with the installation wall 23, a viewing opening 25 is formed on the wall of the market building, the display panel 12 is disposed at the viewing opening 25, and the light emergent surface of the display panel 12 is disposed outwards, that is, away from the installation cavity 24, so that the human eye a can observe an amplified image virtual image B through the display panel 12.
In addition, can also be provided with the mounting bracket in the market building, shell 11 is connected with the mounting bracket, the mounting bracket is formed with installation cavity 23, at least part body of shell 11 sets up in installation cavity 24, shell 11 can be close to the top setting of installation cavity 24, the mouth 25 has been seted up to the support, display panel 12 sets up in the mouth 25 department of looking, display panel 12's light-emitting surface sets up outwards, namely deviate from installation cavity 24 setting, so that be located in the market people's eye A can observe an enlarged image virtual image B that draws far through display panel 12, thereby realized can see the function of large tracts of land demonstration image in the market building.
According to another embodiment of the present invention, as shown in fig. 11, the image display unit 13 is one of LCD, OLED, mled, the image display unit 13 is slidably matched with the housing 11, the housing 11 is provided with an outlet 21 for the image display unit 13 to go in and out, so that the image display unit 13 can be pulled out from the housing 11 through the outlet and separated from the housing 11, the image display unit 13 can be independently used as a display panel, the maintenance and replacement of the image display unit 13 are also convenient, a charger 22 for supplying power to the image display unit 13 is arranged in the housing 11, and when the image display unit 13 is assembled, the charger 22 can supply power to the image display unit 13, wherein the charging mode of the charger 22 can be charging through a magnetic interface or wireless charging through electromagnetic induction.
In one embodiment, the first reflector 141 is provided with a reflecting surface 14113, and the reflecting surfaces 14113 defined at different rotation angles together enclose a reflecting concave surface, and the reflecting concave surface is disposed towards the display panel 12. The reflective surface 14113 has an area smaller than the reflective concave surface, the reflective surface 14113 is only a portion of the reflective concave surface, and the reflective concave surface can be considered to be similar to the reflective surface 14113 of the large-area mirror, so that the first reflector 141 is also smaller in size than the large-area mirror, and the reflective device 14 is therefore less expensive than the large-area mirror. It should be noted that the reflector 14 is simple to manufacture compared to a large-area reflector, because the first reflector 141 is smaller than a large-area reflector, and the requirement for continuity is not as high as that of a large-area reflector, and thus is simpler to manufacture compared to a large-area reflector.
In an embodiment, the diopter of the edge region of the first reflector 141 is different from the diopter of the middle region of the first reflector 141 for reducing distortion of the reflected image of the first reflector 141. The diopter of the edge area of the first reflector 141 is set to be larger or smaller than that of the middle area of the first reflector 141, which is mainly determined according to the distortion shape of the reflected image of the first reflector 141, and the diopter of the edge area of the first reflector 141 is set to be different from that of the middle area of the first reflector 141, so that the distortion of the reflected image is eliminated, and better viewing experience is brought to the user. The diopter of the edge region of the first reflector 141 is different from the diopter of the middle region of the first reflector 141, and the diopter of the edge region of the first reflector 141 may be used to reduce distortion of the image seen by the human eye caused by distortion of the display image of the image display unit 13.
In an embodiment, the first reflector 141 includes a first stripe-shaped reflector 1411, the first stripe-shaped reflector 1411 includes a connecting portion 14111 and end portions 14112 disposed at two opposite ends of the connecting portion 14111 along a first direction, and the driving assembly 143 is in driving connection with the connecting portion 14111, such that a rotation center of the stripe-shaped reflector is located at the connecting portion 14111. The driving component 143 drives the connecting portion 14111 to rotate, so as to drive the first reflector 141 to integrally rotate, which is higher in rotation stability than the case that the rotation center is disposed at the end portion 14112. The first direction is the up-down direction shown in fig. 3, and the second direction is the left-right direction shown in fig. 3.
In one embodiment, the center of rotation is located at the center of the connection 14111. By setting the rotation center at the center of the connection portion 14111, the stability of the rotation of the first bar-shaped reflecting member 1411 is further improved.
As shown in fig. 7, according to an embodiment of the present invention, the rotation center may be disposed at the end 14112 of the first stripe reflector 1411, which can replace a larger area concave mirror than the rotation center is disposed at the connection 14111, that is, the rotation center is disposed at the end 14112 of the first stripe reflector 1411, and the area of the reflection area 14114 through which the first stripe reflector 1411 rotates is larger than the rotation center is disposed at the connection 14111. It should be noted that, the driving assembly 143 includes a motor 1431 and a supporting disc 1432, the rotating shaft 17 of the motor 1431 is connected with the supporting disc 1432, the supporting disc 1432 is connected with the first reflector 141, the stability of the rotation of the first strip-shaped reflecting member 1411 can be increased by setting a balancing weight 19 on the supporting disc 1432, and the surface of the balancing weight 19 can be provided with a light absorbing layer, so as to reduce the influence on the display effect of the far-image display 1.
As shown in fig. 2 and 3, in an embodiment, two sides of the first strip-shaped reflecting member 1411 disposed opposite to each other along the second direction are concavely disposed inward, and the first direction and the second direction are disposed perpendicularly. The two sides of the first strip-shaped reflecting member 1411 are arranged to be biconcave in order to make the brightness of the picture more uniform. If the width of the first stripe-shaped reflector 1411 in the first direction is not changed, the image reflected by the first stripe-shaped reflector 1411 will have a bright middle and dark edge, and the brightness distribution of the image will be uneven, and the reflective amount in the middle area will be reduced by recessing the two opposite sides of the first stripe-shaped reflector 1411 in the second direction, so that the brightness distribution of the reflected image will be even, and the equal brightness projection will be realized.
As shown in fig. 5 and 6, in an embodiment, the first reflector 141 further includes a second stripe-shaped reflector 1412, and the second stripe-shaped reflector 1412 is connected to the connection portion 14111. The second strip-shaped reflector is arranged to increase the volume of the reflecting surface 14113, so that the display effect of the reflected image is improved. It should be noted that the second strip reflector 1412 may be detachably connected or fixedly connected to the first strip reflector 1411.
As shown in fig. 9, according to an embodiment of the present invention, a side of the first stripe reflector 1411 facing the display panel 12 is provided with a groove 20 for receiving the second stripe reflector 1412, and the first stripe reflector 1411 and the second stripe reflector 1412 are adhered by an adhesive layer.
As shown in fig. 10, according to another embodiment of the present invention, the first stripe reflector 1411 is provided with a through hole 18 through which the second stripe reflector 1412 passes, and the first stripe reflector 1411 and the second stripe reflector 1412 are bonded by an adhesive layer.
According to another embodiment of the present invention, the second strip reflector 1412 is connected to any side wall of the first strip reflector 1411 along the second direction, and the first strip reflector 1411 and the second strip reflector 1412 may be engaged by a boss and a slot, or may be adhered by an adhesive layer.
In one embodiment, the number of the second stripe reflectors 1412 is plural, and the plural second stripe reflectors 1412 are sequentially arranged along the rotation direction of the first stripe reflector 1411. By providing a plurality of second stripe-shaped reflectors, the display effect of the reflected image is further enhanced. The second stripe reflector 1412 has the same structure as the first stripe reflector 1411.
In an embodiment, the reflecting device 14 further includes a second reflector 142, and the second reflector 142 is stacked with the first reflector 141, and the driving assembly 143 can drive the first reflector 141 and the second reflector 142 to rotate. The second strip-shaped reflector is arranged to increase the volume of the reflecting surface 14113, so that the display effect of the reflected image is improved. The first reflector 141 and the second reflector 142 may each be a concave reflector.
According to an embodiment of the present invention, the second reflector 142 is adhered above the first reflector 141, and the second reflector 142 and the first reflector 141 are arranged in a staggered manner along the rotation direction of the first reflector 141.
As shown in fig. 8, according to another embodiment of the present invention, the far-image display 1 further includes a rotating shaft 17, the rotating shaft 17 passes through the first reflector 141 and the second reflector 142 which are stacked and connected with the driving assembly 143, and the driving assembly 143 drives the first reflector 141 and the second reflector 142 to rotate through the rotating shaft 17.
In one embodiment, the driving assembly 143 includes a motor 1431 and a supporting plate 1432, the rotating shaft 17 of the motor 1431 is connected with the supporting plate 1432, and a light absorbing surface 14321 is disposed on a side of the supporting plate 1432 facing away from the motor 1431, and the light absorbing surface 14321 is connected with the first reflector 141. The light-absorbing surface 14321 is provided on the side of the support plate 1432 facing away from the motor 1431 in order to avoid stray light interfering with the view seen by the user. The light-absorbing surface 14321 is a surface formed by blackening the support plate.
In an embodiment, the far-image display 1 further includes a correction Qu Toujing, and the correction Qu Toujing is disposed on the light-emitting side of the image display unit 13. By adding the correction Qu Toujing, the distortion generated by the image reflected by the reflecting device 14 can be corrected, and compared with the digital correction by the display, the pixel utilization rate of the image display unit 13 is effectively improved.
According to an embodiment of the invention, the tele-display 1 further comprises a logic assembly 16, the logic assembly 16 being communicatively connected to the display via a flat cable, the logic assembly 16 being also communicatively connected to the motor 1431 via another flat cable.
The foregoing is only the preferred embodiments of the present invention, and not the limitation of the scope of the present invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the present invention.