A display device

Abstract

The present application proposes a display device; the display device includes a rotating light bar and a driving mechanism, the driving mechanism is connected to the center point of the rotating light bar, and the rotating light bar rotates around the center point of the rotating light bar, the rotating light bar includes a plurality of light-emitting device groups arranged along the width direction of the rotating light bar, the light-emitting device group includes a plurality of light-emitting devices arranged along the length direction of the rotating light bar, and the plurality of light-emitting devices in two adjacent light-emitting device groups are staggered in the length direction of the rotating light bar; the present application staggers the plurality of light-emitting devices in two adjacent light-emitting device groups in the length direction of the rotating light bar, so that during the rotation display, the plurality of light-emitting devices in the plurality of light-emitting device groups can complement each other's vacancies in the rotation plane and be evenly distributed on the rotation radius of the rotating light bar, thereby reducing the phenomenon of pixel vacancies or pixel overlap, and effectively improving problems such as display uniformity and crosstalk.

Description

Technical Field

[0001] The present application relates to the field of display devices, and in particular to a display device. Background Art

[0002] Persistence of vision (POV), also known as the "afterglow effect," occurs when the human eye observes a scene. After the light signal reaches the brain, it takes a short time for the visual image to disappear. This phenomenon is called "persistence of vision." POV scanning display devices utilize the human eye's persistence of vision effect to display images through horizontally moving or rotating LED light strips. This technology, which utilizes the human eye's persistence of vision effect and rotating LED light strips to display images, is also known as rotational display technology.

[0003] Traditional rotating display technology typically uses a single or multiple light strips that rotate around their center. Each LED strip is equipped with one or more rows of LEDs along its extension. A single row of LEDs has fewer pixels, resulting in limited resolution improvement. In contrast, multiple rows of LEDs have different lengths of lines connecting adjacent rows to the axis, leading to different rotation radii. This can lead to uneven pixel distribution or crosstalk caused by pixel overlap during rotation. Summary of the Invention

[0004] The present application provides a display device to improve the technical problem in the current rotating display technology that the lines connecting the LED lamp beads corresponding to adjacent columns on the light bar and the axis do not overlap, resulting in different rotation radii, and further leading to uneven pixel distribution or pixel overlap during rotation.

[0005] To solve the above technical problems, the technical solutions provided by this application are as follows:

[0006] The present application provides a display device, comprising:

[0007] Light bars; and

[0008] a driving mechanism connected to the light bar;

[0009] The light bar includes a plurality of light-emitting device groups arranged along the width direction of the light bar, the light-emitting device groups include a plurality of light-emitting devices arranged along the length direction of the light bar, and the plurality of light-emitting devices in two adjacent light-emitting device groups are staggered in the length direction of the light bar.

[0010] In the display device of the present application, the plurality of light-emitting devices located on the same light bar are centrally symmetrically arranged about the center point of the light bar.

[0011] In the display panel of the present application, the light bar includes a first center line parallel to the length direction of the light bar, and the light-emitting device group includes a first light-emitting device group located on the first center line, a second light-emitting device group located on one side of the first light-emitting device group, and a third light-emitting device group located on a side of the first light-emitting assembly away from the second light-emitting device group;

[0012] Wherein, in the width direction of the light bar, the distance between the first light emitting device group and the second light emitting device group is equal to the distance between the first light emitting device group and the third light emitting device group.

[0013] In the display panel of the present application, the light bar further includes a second center line perpendicularly intersecting the first center line, and the intersection of the first center line and the second center line is a center origin;

[0014] Among them, on one side of the second center line, the distance between the nth light-emitting device arranged from the center origin along the length direction of the light strip and the center origin is n*a, n is zero or a positive integer, and a is the distance between the light-emitting device closest to the center origin and the center origin.

[0015] In the display device of the present application, the length of the light emitting device in the length direction of the light bar is smaller than the distance between the light emitting device closest to the central origin and the central origin.

[0016] In the display device of the present application, the display device includes at least two light bars located in the same plane, the at least two light bars are cross-arranged and their center points coincide with each other, and the driving mechanism is connected to the at least two light bars.

[0017] In the display device of the present application, the display device comprises at least two light bars located in at least two parallel planes, and the at least two light bars in at least two parallel planes are connected to the driving mechanism;

[0018] Wherein, in the top view direction of the display device, at least two light strips respectively located in two adjacent parallel planes are cross-arranged.

[0019] In the display device of the present application, in the normal direction of the parallel planes, the imaging space depth of the display device satisfies: D2 = (N-1) * D1, D1 is the distance between two adjacent parallel planes, D2 is the imaging space depth of the display device, and N is the number of parallel planes.

[0020] In the display device of the present application, the number of the light bars satisfies: 1≤x<πL 2 / 4LW, x is the number of the light strips, L is the length of the light strips, and W is the width of the light strips.

[0021] In the display device of the present application, the driving mechanism includes a rotating and telescopic shaft and a driving member, and the rotating and telescopic shaft rotates under the drive of the driving member;

[0022] The center point of the light bar is vertically connected to the rotating and telescopic axis, and the rotating and telescopic axis is telescopically arranged in a direction perpendicular to the light bar.

[0023] In the display device of the present application, in the extension direction of the rotation and telescopic axis, the imaging space depth of the display device is less than or equal to the telescopic value of the rotation and telescopic axis.

[0024] In the display device of the present application, the display device comprises at least two light bars located in at least two parallel planes, the center points of the at least two light bars in at least two parallel planes are on the same straight line and are rotatably connected to the driving mechanism;

[0025] In which, in the extension direction of the rotation and telescopic axis, the imaging space depth of the display device satisfies: (N-1)*D1≤D2≤(N-1)*D1+D3, N is the number of the parallel planes, D1 is the distance between two adjacent parallel planes, D2 is the imaging space depth of the display device, and D3 is the telescopic value of the rotation and telescopic axis.

[0026] Beneficial effects

[0027] The present application greatly increases the number of light-emitting devices on the light bar by configuring the light bar to include multiple light-emitting device groups arranged along the width direction, and each light-emitting device group includes multiple light-emitting devices arranged along the length direction of the light bar, thereby increasing the number of pixels during rotational display, and thus effectively improving the resolution, achieving an ultra-high resolution or even continuous resolution display effect; moreover, the multiple light-emitting devices in two adjacent light-emitting device groups in the present application are staggered in the length direction of the light bar. During rotational display, the multiple light-emitting devices in the multiple light-emitting device groups can complement each other's vacancies in the rotation plane and be evenly distributed on the rotation radius of the light bar, thereby reducing phenomena such as pixel vacancies or pixel overlap, and effectively improving problems such as display uniformity and crosstalk. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1This is a schematic diagram of the arrangement of LED lamp beads on LED light strips in traditional display technology;

[0030] Figure 2 This is a schematic diagram of a first planar structure of the display device described in this application;

[0031] Figure 3 This is a schematic diagram of the partial arrangement structure of the light-emitting devices on the light bar described in this application;

[0032] Figure 4 is a schematic diagram of a second planar structure of the display device described in this application;

[0033] Figure 5 is a schematic diagram of the second overall structure of the display device described in this application;

[0034] Figure 6 This is a schematic diagram of the third overall structure of the display device described in this application;

[0035] Figure 7 is a fourth overall structural diagram of the display device described in this application;

[0036] Figure 8 This is a schematic diagram of the planar arrangement structure of the light bars in the display device described in this application;

[0037] Figure 9 is a schematic diagram of the movement principle of the rotating and retractable shaft of the display device described in this application;

[0038] Figure 10 is a fifth overall structural diagram of the display device described in this application;

[0039] Figure 11 This is a sixth overall structural diagram of the display device described in this application.

[0040] Description of reference numerals:

[0041] 100, light bar; 101, first center line; 102, second center line; 110, substrate; 120, light emitting device group; 121, first light emitting device group; 122, second light emitting device group; 123, third light emitting device group;

[0042] 200, driving mechanism; 210, driving member; 220, rotating shaft; 230, rotating and telescopic shaft;

[0043] 300. Parallel planes. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, unless otherwise specified, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; and "inside" and "outside" refer to the outline of the device.

[0045] Persistence of vision (POV), also known as the "afterglow effect," occurs when the human eye observes a scene. After the light signal reaches the brain, it takes a brief period of time for the visual image to disappear. This phenomenon is called "persistence of vision." POV scanning display devices typically use horizontally moving or rotating LED light strips to exploit this effect. This technology, which utilizes both the persistence of vision effect and rotating LED light strips to display images, is also known as rotational display technology.

[0046] Traditional rotating display technology generally uses a single or multiple light strips to rotate around the center of the light strip. Each LED light strip is equipped with one or more rows of LED beads along its extension direction. Among them, the number of pixels of a single row of LED beads is relatively small, and the resolution improvement is relatively limited. On the other hand, multiple rows of LED beads are usually arranged in a matrix on the LED light strip. In the width direction of the light strip, the length of the line connecting the corresponding LED beads in adjacent rows with the axis is different, such as Figure 1 As shown, the rotation radius is different (ie, r1 < r2), which leads to uneven pixel distribution or crosstalk caused by pixel overlap during rotation. Based on the above technical problems, the present application proposes the following solutions.

[0047] See also Figures 2 to 11 The present application provides a display device, comprising a light bar 100 and a driving mechanism 200, wherein the driving mechanism 200 is connected to the light bar 100. The light bar 100 comprises a plurality of light-emitting device groups 120 arranged along the width of the light bar 100. The light-emitting device groups 120 comprise a plurality of light-emitting devices arranged along the length of the light bar 100. The plurality of light-emitting devices in two adjacent light-emitting device groups 120 are staggered along the length of the light bar 100.

[0048] The present application greatly increases the number of light-emitting devices on the light bar 100 by configuring the light bar 100 to include multiple light-emitting device groups 120 arranged along the width direction, and each light-emitting device group 120 includes multiple light-emitting devices arranged along the length direction of the light bar 100, thereby increasing the number of pixels during rotational display, and thus effectively improving the resolution, achieving an ultra-high resolution or even continuous resolution display effect; moreover, in the present application, the multiple light-emitting devices in two adjacent light-emitting device groups 120 are staggered in the length direction of the light bar 100. During rotational display, the multiple light-emitting devices in the multiple light-emitting device groups 120 can complement each other's vacancies in the rotation plane and be evenly distributed on the rotation radius of the light bar 100, reducing pixel vacancies or pixel overlap, thereby effectively improving display uniformity and crosstalk.

[0049] The technical solution of the present application will now be described in conjunction with specific embodiments. It should be noted that the order in which the following embodiments are described is not intended to limit the preferred order of the embodiments.

[0050] In this embodiment, the light bar 100 may further include a base substrate 110, on which the plurality of light-emitting devices are disposed. The base substrate 110 may be rectangular in shape and may be an array substrate on which a driving circuit is disposed that can drive the light-emitting devices to emit light.

[0051] In this embodiment, the light-emitting device may be an OLED light-emitting device, an LED chip, a Mini-LED chip, a Micro-LED chip, etc.

[0052] In this embodiment, the driving mechanism 200 may include a rotating shaft 220 and a driving member 210 for rotating the rotating shaft 220. The center point of the light bar 100 is fixedly connected to the output end of the rotating shaft 220, so that the driving member 210 drives the light bar 100 to rotate around its center point via the rotating shaft 220, thereby achieving a rotating display.

[0053] In this embodiment, the rotation speed of the rotating shaft 220 can be greater than or equal to 720 r / min, so that when the light bar 100 rotates for display, the previous frame and the next frame can be seamlessly connected, and the display continuity is better.

[0054] See also Figure 2In this embodiment, one light-emitting device group 120 can be understood as a row of light-emitting devices arranged along the length of the light bar 100. The staggered arrangement of the multiple light-emitting devices in two adjacent light-emitting device groups 120 along the length of the light bar 100 can be understood as: the orthographic projections of the multiple light-emitting devices in two adjacent light-emitting device groups 120 on the center line of the light bar 100 along the length do not overlap, thereby avoiding or reducing pixel overlap and crosstalk on the display screen when the light bar 100 rotates.

[0055] In one of the light-emitting device groups 120, the spacing between two adjacent light-emitting devices along the length direction of the light bar 100 may be unequal, so that the spacing between the multiple light-emitting devices staggered along the length direction of the light bar 100 in the multiple light-emitting device groups 120 and the center point / axis of the light bar 100 forms an arithmetic progression when rotated, thereby forming a plurality of pixel points evenly distributed within the circular display surface.

[0056] In this embodiment, two adjacent light emitting device groups 120 may be understood as two adjacent rows of light emitting devices arranged along the width direction of the light bar 100 , and the distances between the two adjacent rows of light emitting devices in the width direction of the light bar 100 may be equal.

[0057] In this embodiment, each of the light-emitting devices may be a single-color light-emitting unit or pixel unit, for example, the light-emitting device may be one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel. Alternatively, each of the light-emitting devices may be a multi-color light-emitting unit or pixel unit, for example, each of the light-emitting devices may include a red sub-pixel, a green sub-pixel, and a blue sub-pixel.

[0058] See also Figure 3 In the display device of the present application, the light bar 100 may include a first center line 101 extending along the length direction and a second center line 102 extending along the width direction, the first center line 101 and the second center line 102 intersect vertically, and the intersection of the first center line 101 and the second center line 102 is the center origin O, that is, the center point of the light bar 100.

[0059] In this embodiment, the multiple light-emitting devices on the same light bar 100 are arranged in a centrally symmetrical manner about the center point of the light bar 100. Specifically, the first center line 101 and the second center line 102 divide the light bar 100 into four regions of equal size, and the light-emitting devices in the two diagonally opposite regions are arranged symmetrically about the intersection of the first center line 101 and the second center line 102. The multiple light-emitting devices arranged symmetrically about the center point of the light bar 100 provide a symmetrical arrangement of the light-emitting devices on the light bar 100, enabling a uniform display when the light bar 100 is rotated.

[0060] See also Figure 2 and Figure 3 In the display device of the present application, the light-emitting device group 120 may include a first light-emitting device group 121 located on the first center line 101, a second light-emitting device group 122 located to one side of the first light-emitting device group 121, and a third light-emitting device group 123 located to one side of the first light-emitting device group 121 away from the second light-emitting device group 122. In the width direction of the light bar 100, the spacing between the first light-emitting device group 121 and the second light-emitting device group 122 is equal to the spacing between the first light-emitting device group 121 and the third light-emitting device group 123. This allows the first light-emitting device group 121, the second light-emitting device group 122, and the third light-emitting device group 123 to be arranged equidistantly on the light bar 100, thereby improving pixel distribution uniformity.

[0061] In this embodiment, on one side of the second center line 102, the distance between the nth light emitting device arranged along the length direction of the light bar 100 and the center origin O is n*a, where n is zero or a positive integer, and a is the distance between the light emitting device closest to the center origin O and the center origin O. Figure 3 In this embodiment, to more clearly and intuitively illustrate the distribution of light-emitting devices on the light bar 100, the first centerline 101 and the second centerline 102 can form a rectangular coordinate system, where the first centerline 101 can serve as the abscissa and the second centerline 102 can serve as the ordinate. Based on this rectangular coordinate system, each light-emitting device on the light bar 100 can correspond to a uniquely determined location coordinate.

[0062] Specifically, with the center origin O of the plane rectangular coordinate system (i.e., the intersection of the first center line 101 and the second center line 102) as the starting zero point, on one side of the vertical coordinate axis, the coordinates of the nth light-emitting device arranged from the starting zero point along the length direction of the light bar 100 satisfy: or Or (n*a, 0) or (-n*a, 0), n is a positive integer, a is the distance between the light-emitting device closest to the center origin O (i.e., the first light-emitting device) and the center origin O, and b is the distance between the second light-emitting device group 122 or the third light-emitting device group 123 and the first light-emitting device group 121 in the width direction of the light strip 100.

[0063] In this embodiment, the "n" in the nth light-emitting device can be understood as the arrangement number of the light-emitting devices with the spacing of the starting points from small to large on the light bar 100 on one side of the second center line 102, with the center origin O as the starting point. It can be understood that in this embodiment, the spacing of the light-emitting devices on both sides of the first center line 101 to the first center line 101 is equal, and the spacing is b. In this embodiment, since the multiple light-emitting devices on the light bar 100 are symmetrical about the center point of the light bar 100, the coordinate values of the symmetrical light-emitting devices are equal in size but opposite in sign. For example, assuming the coordinates of a certain light-emitting device are Then the coordinates of another light emitting device that is centrally symmetrical to it are For another example, assuming that the coordinates of a certain light-emitting device are (n*a, 0), then the coordinates of another light-emitting device that is centrally symmetric to it are (-n*a, 0).

[0064] according to Figure 2 From the above coordinate formula for the nth light-emitting device, it can be seen that when the light bar 100 rotates for display, the rotation radius of the nth light-emitting device from the center origin O of the plane rectangular coordinate system is n*a. Therefore, when the light bar 100 rotates with the center origin O as the axis, the multiple light-emitting devices form multiple "circular display rings" with different radii, and each of the multiple "circular display rings" is centered on the center point of the light bar. The distance between two adjacent "circular display rings" is a, so that the rotating display image of the light bar 100 can present a uniform display effect, effectively reducing display problems such as ghosting or crosstalk.

[0065] In this embodiment, the length of the light-emitting device in the longitudinal direction of the light strip 100 is less than the distance a between the light-emitting device closest to the center origin O and the center origin, so that there is no overlapping area between two adjacent "circular display rings", further reducing display problems such as ghosting or crosstalk.

[0066] See also Figure 3In the display device of the present application, according to the position of the light emitting device on the light bar 100, the coordinates of the light emitting devices in the first light emitting device group 121 are (n*a, 0) or (-n*a, 0), and the coordinates of the light emitting devices in the second light emitting device group 122 are The coordinates of the light emitting devices in the third light emitting device group 123 are

[0067]

[0068] In this embodiment, when n=0, it means that one light-emitting device can be disposed on the center point of the light bar 100 , that is, the center origin O, and the coordinates of the light-emitting device are (0, 0).

[0069] It should be noted that on the first center line 101, the distance between two adjacent light-emitting devices will be greater than the value a. This is because in the first light-emitting device group 121, there are two light-emitting devices located on both sides of the first center line 101 and belonging to the second light-emitting device group 122 and the third light-emitting device group 123 respectively between the two adjacent light-emitting devices. Therefore, the difference in serial numbers between the two adjacent light-emitting devices in the first light-emitting device group 121 is greater than 1. To be precise, the difference in serial numbers between the two adjacent light-emitting devices is 3, so their distance is 3a.

[0070] See also Figure 4 and Figure 5 In the display device of the present application, the display device may include at least two light bars 100 located in the same plane, and the at least two light bars 100 are connected to the driving mechanism 200. Specifically, the arrangement of the light-emitting devices on the at least two light bars 100, that is, the coordinate positions of the light-emitting devices, are the same as the coordinate formulas of the light-emitting devices described in other embodiments.

[0071] In this embodiment, at least two of the light strips 100 are cross-arranged at the center point and fixedly connected to the rotating shaft 220 of the driving mechanism 200, so that the driving member 210 of the driving mechanism 200 can drive at least two of the light strips 100 located in the same plane to rotate synchronously through the rotating shaft 220.

[0072] In this embodiment, by arranging at least two of the light bars 100 in the same plane, the number of the light bars 100 and the number of the light-emitting devices are doubled. On the one hand, the display brightness can be improved. On the other hand, by staggering the plurality of light-emitting devices on the plurality of light bars 100 in the rotation plane of the light bar 100, the pixel density can be further increased, thereby further improving the resolution, so that the rotating display has ultra-high resolution or even continuous resolution.

[0073] See also Figure 6 and Figure 7 In the display device of the present application, the display device may include at least two light bars 100 located in at least two parallel planes 300, and the center points of the at least two light bars 100 in at least two parallel planes 300 are on the same straight line and are connected to the driving mechanism 200. Specifically, the number of light bars 100 in each parallel plane 300 may be only one, such as Figure 6 As shown, in other embodiments, the number of light bars 100 in each of the parallel planes 300 may be two or more, such as Figure 7 shown.

[0074] In this embodiment, the center points of at least two of the light strips 100 in at least two of the parallel planes 300 coincide with the center line of the rotation axis 220 of the driving mechanism 200, so that the rotation axis 220 can simultaneously drive at least two of the light strips 100 in at least two of the parallel planes 300 to rotate synchronously, so that the rotating display screen has an axial depth along the rotation axis 220, thereby realizing a three-dimensional stereoscopic display in space.

[0075] In this embodiment, in the top view direction of the display device, at least two of the light strips 100 respectively located in two adjacent parallel planes 300 are cross-arranged, so that at least two of the light strips 100 in at least two of the parallel planes 300 can be located at different initial positions. When the display device is rotated for display, the at least two light strips 100 located at different initial positions can display different pictures, thereby realizing the synchronous display of multi-directional pictures of different depths, effectively enhancing the three-dimensional stereoscopic viewing experience.

[0076] In this embodiment, the plurality of light bars 100 can be arranged at equal intervals in the normal direction of the parallel plane 300, i.e., in the axial direction of the rotation axis 220 of the drive mechanism 200, and the imaging spatial depth of the display device satisfies the following equation: D2 = (N-1) * D1, where D1 is the distance between two adjacent parallel planes 300, D2 is the imaging spatial depth of the display device, and N is the number of parallel planes 300. In other words, the imaging spatial depth of the display device is the distance between the two light bars 100 that are farthest apart in the direction of the centerline of the rotation axis 220.

[0077] See also Figure 8In the display device of the present application, the number of the light bars 100 in the display device satisfies: 1≤x<πL2 / 4LW, where x is the number of the light bars 100, L is the length of the light bar 100, and W is the width of the light bar 100. Specifically, in the top view of the display device, the display screen of the display device presents a circle with a diameter of L and an area of π(L / 2)2. In order to avoid pixel waste caused by the overlap of x light bars 100 in the top view of the display device, the sum of the areas of the x light bars 100, x*L*W, should be less than the area of the circular display screen of the display device, π(L / 2)2, that is, x*L*W<π(L / 2)2, that is, x<πL2 / 4LW.

[0078] Through the above configuration, this embodiment can effectively reduce problems such as image overlap, pixel waste, ghosting or crosstalk caused by the overlapping of the light bars 100 in the top view of the display device, thereby further improving the display effect.

[0079] See also Figures 9 to 11 In the display device of the present application, the rotating shaft 220 of the driving mechanism 200 may be a rotating telescopic shaft 230, which rotates under the drive of the driving member 210 and is telescopically arranged in the direction of its central axis, such as Figure 9 The rotating and telescopic shaft 230 can be perpendicular to the light bar 100 and fixedly connected to the center point of the light bar 100, so that the rotating and telescopic shaft 230 can drive the light bar 100 to translate along the axial direction of the rotating and telescopic shaft 230, thereby realizing a three-dimensional spatial display even when there is only a single light bar 100 or only at least two light bars 100 located in the same plane, as shown in FIG. Figure 10 shown.

[0080] In this embodiment, in the extension direction of the rotating and telescopic axis 230 , the imaging space depth of the display device is less than or equal to the telescopic value of the rotating and telescopic axis 230 , that is, the telescopic variation range of the rotating and telescopic axis 230 determines the imaging space depth of the display device.

[0081] See also Figure 11 In this embodiment, when at least two of the light bars 100 of the display device are located within at least two of the parallel planes 300, the imaging space depth of the display device is not only related to the telescopic range of the telescopic axis, but also to the axial spacing and number of at least two of the parallel planes 300 along the rotating telescopic axis 230.

[0082] Specifically, in the extension direction of the rotating and telescopic axis 230, the imaging space depth of the display device satisfies: (N-1)*D1≤D2≤(N-1)*D1+D3, where N is the number of the parallel planes 300, D1 is the distance between two adjacent parallel planes 300, D2 is the imaging space depth of the display device, and D3 is the telescopic value of the rotating and telescopic axis 230.

[0083] In this embodiment, when only one light bar 100 is disposed in each parallel plane 300 , the number N of the parallel planes 300 is the number of the light bars 100 , and the distance D1 between two adjacent parallel planes 300 is the distance between two adjacent light bars 100 .

[0084] In this embodiment, when the rotating and telescopic axis 230 is not telescoped, the sum of the distances between the multiple parallel planes 300 (N-1)*D1 is the minimum imaging space depth of the display device; when the telescopic value of the rotating and telescopic axis 230 reaches the maximum value D3, the display device has a maximum imaging space depth, that is, (N-1)*D1+D3.

[0085] Through the above arrangement, the display device configures the rotating shaft 220 of the driving mechanism 200 as a retractable rotating and retractable shaft 230 , so that the imaging depth of the display device can be adjusted according to the retractable range of the rotating and retractable shaft 230 , thereby achieving a better three-dimensional display effect.

[0086] In this embodiment, the display device may further include a display control module and a motion control module. The display control module may convert the received 2D display material into 3D or directly parse the 3D display material according to an algorithm, convert it into a digital signal and transmit it to the light bar 100 to control the light-emitting device on the light bar 100 to perform a light-emitting display. At the same time, it is linked with the motion control module to control the light-emitting device on the light bar 100 to give feedback corresponding to the display material when it moves to the corresponding position, thereby achieving a three-dimensional transparent display effect.

[0087] In the embodiment of the present application, the light bar 100 is configured to include a plurality of light-emitting device groups 120 arranged along the width direction, and each light-emitting device group 120 includes a plurality of light-emitting devices arranged along the length direction of the light bar 100, so that the number of light-emitting devices on the light bar 100 is greatly increased, thereby increasing the number of pixels during rotational display, thereby effectively improving the resolution and achieving an ultra-high resolution or even continuous resolution display effect; moreover, in the present application, the plurality of light-emitting devices in two adjacent light-emitting device groups 120 are staggered in the length direction of the light bar 100. During rotational display, the plurality of light-emitting devices in the plurality of light-emitting device groups 120 can complement each other's vacancies in the rotation plane and be evenly distributed on the rotation radius of the light bar 100, thereby reducing the phenomenon of pixel vacancies or pixel overlap, and effectively improving problems such as display uniformity and crosstalk.

[0088] The above is a detailed introduction to a display device provided in an embodiment of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for those skilled in the art, based on the ideas of the present application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A display device, characterized in that: include: Light bar; as well as a driving mechanism connected to the light bar; The light bar comprises a plurality of light-emitting device groups arranged along the width direction of the light bar, and the light-emitting device groups comprise a plurality of light-emitting devices arranged along the length direction of the light bar. The plurality of light-emitting devices in two adjacent light-emitting device groups are staggered in the length direction of the light bar, and the plurality of light-emitting devices on the same light bar are arranged symmetrically about the center point of the light bar. The light bar includes a first center line parallel to the length direction of the light bar and a second center line perpendicular to the first center line, the intersection of the first center line and the second center line is the center origin, and the center origin is the rotation center of the light bar; On one side of the second center line, the distance between the nth light-emitting device arranged from the center origin along the length direction of the light strip and the center origin is n*a, where n is zero or a positive integer, and a is the distance between the light-emitting device closest to the center origin and the center origin; The light-emitting device group includes a first light-emitting device group located on the first center line, a second light-emitting device group located on one side of the first light-emitting device group, and a third light-emitting device group located on a side of the first light-emitting assembly away from the second light-emitting device group. Wherein, in the width direction of the light bar, the distance between the first light emitting device group and the second light emitting device group is equal to the distance between the first light emitting device group and the third light emitting device group.

2. The display device according to claim 1, wherein The length of the light emitting device in the length direction of the light bar is smaller than the distance between the light emitting device closest to the central origin and the central origin.

3. The display device according to claim 1, wherein The display device includes at least two light bars located in the same plane, the at least two light bars are cross-arranged and their center points coincide with each other, and the driving mechanism is connected to the at least two light bars.

4. The display device according to claim 1, wherein The display device comprises at least two light bars located in at least two parallel planes, and the at least two light bars in at least two parallel planes are connected to the driving mechanism; Wherein, in the top view direction of the display device, at least two light strips respectively located in two adjacent parallel planes are cross-arranged.

5. The display device according to claim 4, wherein: In the normal direction of the parallel planes, the imaging space depth of the display device satisfies: D2=(N-1)*D1, D1 is the distance between two adjacent parallel planes, D2 is the imaging space depth of the display device, and N is the number of parallel planes.

6. The display device according to any one of claims 3 to 5, characterized in that: The number of the light bars satisfies: 1≤x<πL2 / 4LW, where x is the number of the light bars, L is the length of the light bar, and W is the width of the light bar.

7. The display device according to claim 1, wherein The driving mechanism includes a rotating telescopic shaft and a driving member, wherein the rotating telescopic shaft rotates under the drive of the driving member; The center point of the light bar is vertically connected to the rotating and telescopic axis, and the rotating and telescopic axis is telescopically arranged in a direction perpendicular to the light bar.

8. The display device according to claim 7, wherein: In the extension direction of the rotation and telescopic axis, the imaging space depth of the display device is less than or equal to the telescopic value of the rotation and telescopic axis.

9. The display device according to claim 8, wherein The display device comprises at least two light bars located in at least two parallel planes, wherein the center points of the at least two light bars in the at least two parallel planes are on the same straight line and are rotatably connected to the driving mechanism; In which, in the extension direction of the rotation and telescopic axis, the imaging space depth of the display device satisfies: (N-1)*D1≤D2≤(N-1)*D1+D3, N is the number of the parallel planes, D1 is the distance between two adjacent parallel planes, D2 is the imaging space depth of the display device, and D3 is the telescopic value of the rotation and telescopic axis.

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