Arc display device

Abstract

To provide an arc display device.SOLUTION: An arc display device includes non-rectangular substrates and light-emitting pixels that are disposed on the non-rectangular substrate and arranged in pixel columns and pixel rows. The non-rectangular substrate has a first edge, a second edge connected to the first edge, and a third edge opposite to the first edge. The pixel columns include a first edge pixel column and a second edge pixel column adjacent to the first edge and the third edge, respectively. The pixel rows include a first edge pixel row adjacent to the second edge. The distances from the light-emitting pixels in the first edge pixel column to the first edge are equal, the distances from the light-emitting pixels in the second edge pixel column to the third edge are equal, and the distances from the light-emitting pixels in the first edge pixel row to the second edge are equal. The distances from the light-emitting pixels in the first edge pixel column to the first edge are equal to the distances from the light-emitting pixels in the second edge pixel row to the third edge.SELECTED DRAWING: Figure 3B

Description

[Technical Field]

[0001] FIELD OF THE INVENTION The present invention relates to arc displays, and more particularly to arc displays including multiple non-rectangular substrates. [Background technology]

[0002] With the constant development of the science and technology industry, display devices are widely used in daily life. By bonding multiple display units (light panels) containing light-emitting elements to an arc surface, arc display devices can provide a different experience than flat displays and are often used for large-scale exhibitions. Because the display surface of an arc display device is not flat, the light panel shape may be non-rectangular and polygonal with a hypotenuse. For example, in a spherical display device, the light panel shape near the equator may be trapezoidal, while the light panel shape near the north and south poles may be irregularly shaped panels with pentagons or more.

[0003] However, when light emitting elements are installed in a polygonal light panel having a non-rectangular hypotenuse in a typical arrangement manner in a rectangular light panel, a situation may arise in which the distance from the light emitting elements located at the edge adjacent to the light panel to the hypotenuse of the light panel is different, resulting in the generation of bright or dark lines at the joint locations, thereby affecting the display quality. Summary of the Invention [Means for solving the problem]

[0004] The present invention provides an arc indicating device that reduces the generation of bright or dark lines at the joint locations, thereby maintaining or improving display quality.

[0005] At least one embodiment of the present invention provides an arc display device including a plurality of non-rectangular substrates and a plurality of pixel arrays, each having a first edge, a second edge connected to the first edge, and a third edge opposite the first edge. The pixel arrays are disposed on the non-rectangular substrates, and each pixel array includes a plurality of light-emitting pixels arranged in rows and columns, the light-emitting pixels being arranged in rows and columns, the pixel rows including a first edge pixel row adjacent to the first edge and a second edge pixel row adjacent to the third edge, and the pixel columns including a first edge pixel column adjacent to the second edge. The distances from the light-emitting pixels in the first edge pixel row to the first edge are all equal, the distances from the light-emitting pixels in the second edge pixel row to the third edge are all equal, the distances from the light-emitting pixels in the first edge pixel column to the second edge are all equal, and the distances from the light-emitting pixels in the first edge pixel row to the first edge are equal to the distances from the light-emitting pixels in the second edge pixel row to the third edge.

[0006] In at least one embodiment of the invention, the distance from these light emitting pixels in the first edge pixel row to the first edge is not equal to the distance from these light emitting pixels in the first edge pixel column to the second edge.

[0007] In at least one embodiment of the present invention, the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the third edge of one of the two adjacent non-rectangular substrates is joined to the first edge of the other of the two adjacent non-rectangular substrates, and the spacing between the plurality of light-emitting pixels in the second edge pixel row of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the first edge pixel row of the other of the two adjacent non-rectangular substrates is less than or equal to the spacing between the plurality of light-emitting pixels in each pixel column of the two adjacent non-rectangular substrates.

[0008] In at least one embodiment of the present invention, the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the third edge of one of the two adjacent non-rectangular substrates is joined to the first edge of the other of the two adjacent non-rectangular substrates, an included angle exists between normals of the two adjacent non-rectangular substrates, there is a spacing between the plurality of light-emitting pixels in the second edge pixel row of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the first edge pixel row of the other of the two adjacent non-rectangular substrates, there is a distance from the plurality of light-emitting pixels in the second edge pixel row of one of the two adjacent non-rectangular substrates to the third edge of one of the two adjacent non-rectangular substrates, and each light-emitting pixel in the second edge pixel row of one of the two adjacent non-rectangular substrates has a height, wherein the distance, spacing, half angle of the included angle, and height satisfy the following mathematical formula: L1=((d1 / 2sinθ1)+h1)×tanθ1 Here, L1 is the distance, d1 is the spacing, θ1 is the half angle of the included angle, and h1 is the height.

[0009] In at least one embodiment of the present invention, each of the non-rectangular substrates further has a fourth edge connected to the first edge, and the plurality of pixel columns further includes a second edge pixel column adjacent to the fourth edge, and the distances from the plurality of light-emitting pixels in the second edge pixel column to the fourth edge are all equal, and the distances from the plurality of light-emitting pixels in the second edge pixel column to the fourth edge are equal to the distances from the plurality of light-emitting pixels in the first edge pixel column to the second edge.

[0010] In at least one embodiment of the present invention, the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the second edge of one of the two adjacent non-rectangular substrates is joined to the fourth edge of the other of the two adjacent non-rectangular substrates, and a spacing between the plurality of light-emitting pixels in the first edge pixel column of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the second edge pixel column of the other of the two adjacent non-rectangular substrates is less than or equal to a spacing between the plurality of light-emitting pixels in each of the pixel rows of the two adjacent non-rectangular substrates.

[0011] In at least one embodiment of the present invention, the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the second edge of one of the two adjacent non-rectangular substrates is joined to the fourth edge of the other of the two adjacent non-rectangular substrates, an included angle exists between normals of the two adjacent non-rectangular substrates, there is a spacing between the plurality of light-emitting pixels in the first edge pixel row of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the second edge pixel row of the other of the two adjacent non-rectangular substrates, there is a distance from the plurality of light-emitting pixels in the first edge pixel row of one of the two adjacent non-rectangular substrates to the second edge of one of the two adjacent non-rectangular substrates, and the plurality of light-emitting pixels in the first edge pixel row of one of the two adjacent non-rectangular substrates have a height, wherein the distance, spacing, half angle of the included angle, and height satisfy the following mathematical formula: L2=((d2 / 2sinθ2)+h2)×tanθ2 Here, L2 is the distance, d2 is the spacing, θ2 is the half angle of the included angle, and h2 is the height.

[0012] In at least one embodiment of the present invention, each of the non-rectangular substrates further has a fifth edge connecting to the second edge and the third edge, and the plurality of pixel columns further includes a third edge pixel column adjacent to the fifth edge, and the distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are all equal, and the distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are equal to the distances from the plurality of light-emitting pixels in the first edge pixel column to the second edge.

[0013] In at least one embodiment of the present invention, each of the non-rectangular substrates further has a fifth edge connected to the third edge and a sixth edge connected to the second edge and the fifth edge, and the plurality of pixel columns further includes a third edge pixel column adjacent to the fifth edge and a fourth edge pixel column adjacent to the sixth edge, wherein distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are all equal, distances from the plurality of light-emitting pixels in the fourth edge pixel column to the sixth edge are all equal, the distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are equal to the distances from the plurality of light-emitting pixels in the first edge pixel column to the second edge, and the distances from the plurality of light-emitting pixels in the fourth edge pixel column to the sixth edge are equal to the distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge.

[0014] In at least one embodiment of the present invention, the spacing between the plurality of light-emitting pixels in the same pixel column is equal, and the spacing between the plurality of light-emitting pixels in the same pixel row is equal.

[0015] In at least one embodiment of the present invention, the plurality of pixel columns include two adjacent pixel columns, and the spacing between the plurality of light-emitting pixels in one of the two adjacent pixel columns is not equal to the spacing between the plurality of light-emitting pixels in the other of the two adjacent pixel columns.

[0016] In at least one embodiment of the present invention, the spacing between any two of the plurality of light-emitting pixels in the plurality of pixel rows is equal to the spacing between any two other of the plurality of light-emitting pixels in the plurality of pixel rows. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a schematic diagram of an arc indicating device in accordance with at least one embodiment of the present invention; [Figure 2] 2 is an enlarged schematic view of a portion of the arc display screen shown in FIG. 1. [Figure 3A] FIG. 3 is an enlarged schematic view of area A in FIG. 2. [Figure 3B] FIG. 3B is a schematic diagram of the display unit shown in FIG. 3A. [Figure 3C] 10 is a schematic diagram of a display unit in accordance with at least one alternative embodiment of the present invention; [Figure 4A] FIG. 3 is an enlarged schematic view of area B in FIG. 2. [Figure 4B] FIG. 4B is a schematic diagram of the display unit shown in FIG. 4A. [Figure 4C] 10 is a schematic diagram of a display unit according to at least another embodiment of the present invention; [Figure 5A] 3A and 4A. FIG. [Figure 5B] 4B is a side view of two adjacent non-rectangular substrates in FIGS. 3A and 4A. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0018] In the following description, to clearly illustrate the technical features of the present invention, the dimensions (e.g., length, width, thickness, and depth) of elements (e.g., layers, films, substrates, areas, etc.) in the drawings may be enlarged at different rates, and the number of some elements may be reduced. Therefore, the description and interpretation of the following embodiments are not limited to the number of elements in the drawings and the dimensions and shapes of the elements shown, but must cover deviations in size, shape, and both due to actual processes and / or tolerances. For example, a flat surface shown in the drawings may have roughness and / or nonlinear features, and an acute angle shown in the drawings may be rounded. Therefore, the elements shown in the drawings of the present invention are primarily for illustrative purposes and are not intended to accurately depict the actual shapes of the elements, nor are they intended to limit the scope of the patent application of the present invention.

[0019] Next, terms such as "about," "approximate," or "substantially," as used in the present invention, include not only explicitly stated numerical values ​​and numerical ranges, but also an acceptable deviation range that can be understood by a person of ordinary skill in the art to which the present invention belongs, and this deviation range can be determined by an error that occurs during measurement, and this error is, for example, a limitation resulting from both the measurement system and process conditions. For example, two components (e.g., the planes or routing of a substrate) are "substantially parallel" or "substantially perpendicular," and here, "substantially parallel" and "substantially perpendicular" mean that the parallelism and perpendicularity between the two components can include non-parallelism and non-perpendicularity due to an acceptable deviation range, respectively.

[0020] Furthermore, "about" can indicate a range of one or more standard deviations of the above numerical value, for example, within ±30%, ±20%, ±10%, or ±5%. Terms such as "about," "approximately," or "substantially" used in the present invention do not mean that one standard deviation is used to apply to the optical, etching, mechanical, or other properties, but rather that an acceptable deviation range or standard deviation can be selected according to the optical, etching, mechanical, or other properties.

[0021] The spatial relative terms used in the present invention, such as "lower," "below," "upper," "above," etc., are intended to facilitate the description of the relative relationship between one element or feature and another element or feature as shown in the figures. The true meaning of these spatial relative terms includes other orientations. For example, when the drawing is rotated 180° up or down, the relationship between one element and another element may change from "lower" or "below" to "upper" or "above." The spatial relative descriptions used in the present invention should also be interpreted in the same manner.

[0022] In the present invention, terms such as "first," "second," and "third" may be used to describe various elements or signals, but these elements or signals are not limited to these terms. These terms are mainly used to distinguish one element from another element or one signal from another signal. It should also be understood that the term "or" used in the present invention can include any one or more combinations of the related described items depending on the actual situation.

[0023] Furthermore, the present invention can be implemented or applied in other different specific embodiments, and each detail of the present invention can be combined, modified, or changed in various embodiments based on different perspectives and applications without departing from the concept of the present invention.

[0024] Figure 1 is a schematic diagram of an arc display device in at least one embodiment of the present invention. Figure 2 is a partially enlarged schematic diagram of the arc display screen shown in Figure 1. Referring to Figures 1 and 2, arc display device 10 includes arc display screen 11, which has a display surface DS, i.e., an arc surface recessed into arc display device 10, and arc display screen 11 includes a plurality of display units 100.

[0025] Figure 3A is an enlarged schematic view of area A in Figure 2. Referring to Figure 3A, the arc display screen 11 further includes a support holder 200, and the display units 100 are joined and mounted on the support holder 200.

[0026] Figure 3B is a schematic diagram of the display unit shown in Figure 3A. Referring to Figure 3B, the display unit 100 includes a non-rectangular substrate 110 and a pixel array 120 disposed on the non-rectangular substrate 110, and since the arc display device 10 includes multiple display units 100, the arc display device 10 includes multiple non-rectangular substrates 110 and multiple pixel arrays 120, and these pixel arrays 120 are disposed on these non-rectangular substrates 110, respectively.

[0027] 3B , the non-rectangular substrate 110 has a first edge S1, a second edge S2 connected to the first edge S1, and a third edge S3 opposite the first edge S1. The pixel array 120 includes a plurality of light-emitting pixels 121 arranged in a matrix, the light-emitting pixels 121 arranged in a plurality of pixel rows and a plurality of pixel columns, the pixel rows including a first edge pixel row C1 adjacent to the first edge S1 and a second edge pixel row C2 adjacent to the third edge S3, and the pixel columns including a first edge pixel column R1 adjacent to the second edge S2.

[0028] The distances L1 from these light-emitting pixels 121 in the first edge pixel row C1 to the first edge S1 are all equal, the distances L1 from these light-emitting pixels 121 in the second edge pixel row C2 to the third edge S3 are all equal, the distances L2 from these light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2 are all equal, and the distance L1 from these light-emitting pixels 121 in the first edge pixel row C1 to the first edge S1 is equal to the distance L1 from these light-emitting pixels 121 in the second edge pixel row C2 to the third edge S3.

[0029] With the above design, when two adjacent non-rectangular substrates are joined, the distances from the light-emitting pixels in one edge pixel row of the two adjacent non-rectangular substrates adjacent to the joining edge to the light-emitting pixels in the other edge pixel row of the two adjacent non-rectangular substrates adjacent to the joining edge are all equal, which reduces the generation of bright or dark lines at the joining location and thereby maintains or improves display quality.

[0030] For example, when a first edge S1 of a non-rectangular substrate 110 is joined to a third edge S3 of another non-rectangular substrate 110, the distances L1 from the light-emitting pixels 121 of the first edge pixel row C1 adjacent to the first edge S1 to the first edge S1 are all equal, and the distances L1 from the light-emitting pixels 121 of the second edge pixel row C2 adjacent to the third edge S3 to the third edge S3 are all equal.

[0031] Therefore, the distances from these light-emitting pixels 121 in the first edge pixel row C1 adjacent to the first edge S1 to these light-emitting pixels 121 in the second edge pixel row C2 adjacent to the third edge S3 are all equal, thereby reducing the generation of bright or dark lines at the junction locations and thereby maintaining or improving display quality.

[0032] Continuing with reference to FIG. 3B, the non-rectangular substrate 110 further has a fourth edge S4 connected to the first edge S1, and the pixel columns further include a second edge pixel column R2 adjacent to the fourth edge S4, and the distances L2 from the light-emitting pixels 121 in the second edge pixel column R2 to the fourth edge S4 are all equal, and the distances L2 from the light-emitting pixels 121 in the second edge pixel column R2 to the fourth edge S4 are equal to the distances L2 from the light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2.

[0033] With the above design, when two adjacent non-rectangular substrates are joined, the distances from the light-emitting pixels in one edge pixel column of the two adjacent non-rectangular substrates adjacent to the joining edge to the light-emitting pixels in the other edge pixel column of the two adjacent non-rectangular substrates adjacent to the joining edge are all equal, which reduces the generation of bright or dark lines at the joining position and thereby maintains or improves display quality.

[0034] For example, when the second edge S2 of a non-rectangular substrate 110 is joined to the fourth edge S4 of another non-rectangular substrate 110, the distances L2 from the light-emitting pixels 121 of the first edge pixel column R1 adjacent to the second edge S2 to the second edge S2 are all equal, and the distances L2 from the light-emitting pixels 121 of the second edge pixel column R2 adjacent to the fourth edge S4 to the fourth edge S4 are all equal.

[0035] Therefore, the distances from the light-emitting pixels 121 in the first edge pixel row R1 adjacent to the second edge S2 to the light-emitting pixels 121 in the second edge pixel row R2 adjacent to the fourth edge S4 are all equal, thereby reducing the generation of bright or dark lines at the junction locations and thereby maintaining or improving display quality.

[0036] In some embodiments, the distance L1 from the light-emitting pixels 121 in the first edge pixel row C1 to the first edge S1 may be equal to or unequal to the distance L2 from the light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2. The above design allows the cutting angle of the display unit 100 to be elastically adjusted.

[0037] Also, as shown in FIG. 3B, the spacing P1 between these light-emitting pixels 121 in the same pixel column (e.g., the first edge pixel column R1) is all equal, and the spacing P3 between these light-emitting pixels 121 in the same pixel row (e.g., the first edge pixel row C1) is all equal.

[0038] These pixel columns include two adjacent pixel columns (e.g., a first edge pixel column R1 and a pixel column Ra adjacent to the first edge pixel column R1), and the spacing P1 between these light-emitting pixels 121 in one of the two adjacent pixel columns (e.g., the first edge pixel column R1) is not equal to the spacing P2 between these light-emitting pixels 121 in the other of the two adjacent pixel columns (e.g., the pixel column Ra adjacent to the first edge pixel column R1).

[0039] Furthermore, the spacing P3 between any two of these light-emitting pixels 121 in these pixel rows (e.g., the first edge pixel row C1) is equal to the spacing P4 between any two of these light-emitting pixels 121 in another of these pixel rows (e.g., the second edge pixel row C2).

[0040] As shown in Figure 3B, the distance L1 from the light-emitting pixels 121 in the first edge pixel row C1 to the first edge S1 is the shortest distance from the geometric center of the light-emitting pixels 121 to the first edge S1. In other words, it is also the shortest distance from the connecting line of the geometric center of the light-emitting pixels 121 that is parallel to the first edge S1 (i.e., the dashed line shown in Figure 3B) to the first edge S1.

[0041] Similarly, the distance L1 from the light-emitting pixels 121 in the second edge pixel row C2 to the third edge S3 is the shortest distance from the geometric center of the light-emitting pixels 121 to the third edge S3. In other words, it is also the shortest distance from the connecting line of the geometric centers of the light-emitting pixels 121 that is parallel to the third edge S3 (i.e., the dashed line shown in FIG. 3B ) to the third edge S3.

[0042] The distance L2 from the light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2 is the shortest distance from the geometric center of the light-emitting pixels 121 to the second edge S2. In other words, it is also the shortest distance from the connecting line of the geometric centers of the light-emitting pixels 121 that is parallel to the second edge S2 (i.e., the dashed line shown in FIG. 3B ) to the second edge S2. The distance L2 from the light-emitting pixels 121 in the second edge pixel column R2 to the fourth edge S4 is the shortest distance from the geometric center of the light-emitting pixels 121 to the fourth edge S4. In other words, it is also the shortest distance from the connecting line of the geometric centers of the light-emitting pixels 121 that is parallel to the fourth edge S4 (i.e., the dashed line shown in FIG. 3B ) to the fourth edge S4.

[0043] Also, as shown in FIG. 3B, the spacing P3 between these light-emitting pixels 121 in the same pixel row (e.g., the first edge pixel row C1) is the shortest distance (i.e., the vertical distance) between the geometric centers of two adjacent light-emitting pixels 121, and the spacing P1 between these light-emitting pixels 121 in the same pixel column (e.g., the first edge pixel column R1) is the shortest distance (i.e., the horizontal distance) between the geometric centers of two adjacent light-emitting pixels 121.

[0044] In some embodiments, a single light-emitting pixel 121 may include multiple light-emitting elements, for example, three light-emitting elements, and the three light-emitting elements may be red, green, and blue light-emitting elements, respectively, but the present invention is not limited thereto.

[0045] The light emitting element may be a light emitting diode (LED), for example a submillimeter light emitting diode (mini LED) or a micro light emitting diode (micro LED, μLED).

[0046] In addition, the light emitting element may be a large-sized regular light emitting diode (regular LED) other than the submillimeter light emitting diode and the micro light emitting diode, so the light emitting element is not limited to the small-sized micro light emitting diode or the light emitting diode.

[0047] 3B, the shape of non-rectangular substrate 110 is trapezoidal, that is, second edge S2 and fourth edge S4 are the parallel upper and lower bases of the trapezoid, respectively, and first edge S1 and third edge S3 are the parallel legs of the trapezoid, respectively, although the present invention is not limited thereto.

[0048] 3C is a schematic diagram of a display unit according to at least another embodiment of the present invention. Referring to FIG. 3C, the structure and relative positional relationship of most of the elements in the embodiment of FIG. 3C are the same as those in the embodiment of FIG. 3B, so the same technical features will not be described here. The difference between the two embodiments is that the first edge S1 and the third edge S3 of the non-rectangular substrate 110A in FIG. 3C are arcuate.

[0049] Therefore, as shown in FIG. 3C, the distance L1 from these light-emitting pixels 121 in the first edge pixel row C1 to the first edge S1 is the shortest distance from the connecting line of the geometric center (i.e., the dashed line shown in FIG. 3C) along which the light-emitting pixels 121 and the first edge S1 have the same curvature to the first edge S1.

[0050] Similarly, the distance L1 from these light-emitting pixels 121 of the second edge pixel row C2 to the third edge S3 is the shortest distance from the connecting line of the geometric center (i.e., the dashed line shown in Figure 3C) to the third edge S3, along which the light-emitting pixels 121 and the third edge S3 have the same curvature.

[0051] Furthermore, the spacing P3 between these light-emitting pixels 121 in the same pixel row (for example, the first edge pixel row C1) is the shortest distance (ie, the vertical distance) between the geometric centers of two adjacent light-emitting pixels 121.

[0052] Fig. 4A is an enlarged schematic view of area B in Fig. 2. Referring to Fig. 4A, these display units 100 are joined together and placed on a support holder 200. Also, as shown in Fig. 2, area B is closer to the pole than area A, so the display units 100 in Fig. 4A include a trapezoidal display unit 100 and a pentagonal display unit 100 below the display unit 100 that joins the trapezoids.

[0053] 4B is a schematic diagram of the display unit shown in FIG. 4A. Referring to FIG. 4B, the element structures and relative positional relationships of most of the elements in the embodiment of FIG. 4B are the same as those in the embodiment of FIG. 3B, so the same technical features will not be described here. The difference between the two embodiments is that the non-rectangular substrate 110B in FIG. 4B has a pentagonal shape.

[0054] As shown in FIG. 4B , the non-rectangular substrate 110B further has a fifth edge S5 connecting to the second edge S2 and the third edge S3, and these pixel columns further include a third edge pixel column R3 adjacent to the fifth edge S5, and the distances L2 from these light-emitting pixels 121 in the third edge pixel column R3 to the fifth edge S5 are all equal, and the distance L2 from these light-emitting pixels 121 in the third edge pixel column R3 to the fifth edge S5 is equal to the distance L2 from these light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2.

[0055] The distance L2 from the light-emitting pixels 121 of the third edge pixel column R3 to the fifth edge S5 is the shortest distance from the geometric center of the light-emitting pixels 121 to the fifth edge S5. In other words, it is also the shortest distance from the connecting line of the geometric centers (i.e., the dashed line shown in FIG. 4B ) that is parallel to the fifth edge S5 of the light-emitting pixels 121 to the fifth edge S5.

[0056] In some embodiments, the angle between the fifth edge S5 and the second edge S2 is greater than 90 degrees and less than 180 degrees, i.e., the angle between the connecting line of the geometric centers of the light-emitting pixels 121 in the third edge pixel column R3 that is parallel to the fifth edge S5 and the connecting line of the geometric centers of the light-emitting pixels 121 in the first edge pixel column R1 that is parallel to the second edge S2 is also greater than 90 degrees and less than 180 degrees.

[0057] Also, the spacing between the light-emitting pixels 121 of one of the two in the pixel rows is not equal to the spacing between the light-emitting pixels 121 of the other of the two in the pixel rows.

[0058] FIG. 4C is a schematic diagram of a display unit according to at least another embodiment of the present invention. Referring to the figure, the element structures and relative positions of most of the elements in the embodiment of FIG. 4C are the same as those in the embodiment of FIG. 3B, so the same technical features will not be described here. The difference between the two embodiments is that the non-rectangular substrate 110C in FIG. 4C has a hexagonal shape. That is, the display unit 100 in FIG. 4A includes a trapezoidal shape and a hexagonal display unit below the display unit 100 that joins the trapezoidal shape.

[0059] As shown in FIG. 4C , the non-rectangular substrate 110C further has a fifth edge S5 connected to the third edge S3 and a sixth edge S6 connected to the second edge S2 and the fifth edge S5, and these pixel columns further include a third edge pixel column R3 adjacent to the fifth edge S5 and a fourth edge pixel column R4 adjacent to the sixth edge S6, and the distances L2 from these light-emitting pixels 121 in the third edge pixel column R3 to the fifth edge S5 are all equal, and the distances L2 from these light-emitting pixels 121 in the fourth edge pixel column R4 to the sixth edge S6 are all equal.

[0060] The distance L2 from these light-emitting pixels 121 in the third edge pixel column R3 to the fifth edge S5 is equal to the distance L2 from these light-emitting pixels 121 in the first edge pixel column R1 to the second edge S2, and the distance L2 from these light-emitting pixels 121 in the fourth edge pixel column R4 to the sixth edge S6 is equal to the distance L2 from these light-emitting pixels 121 in the third edge pixel column R3 to the fifth edge S5.

[0061] The distance L2 from the light-emitting pixels 121 of the third edge pixel column R3 to the fifth edge S5 is the shortest distance from the geometric center of the light-emitting pixels 121 to the fifth edge S5. In other words, it is also the shortest distance from the connecting line of the geometric centers (i.e., the dashed line shown in FIG. 4C ) that is parallel to the fifth edge S5 of the light-emitting pixels 121 to the fifth edge S5.

[0062] The distance L2 from the pixels 121 in the fourth edge pixel row R4 to the sixth edge S6 is the shortest distance from the geometric center of the pixel 121 to the sixth edge S6. In other words, it is also the shortest distance from the connecting line of the geometric centers (i.e., the dashed line shown in FIG. 4C ) that is parallel to the sixth edge S6 of the pixel 121 to the sixth edge S6.

[0063] In some embodiments, the angle between the sixth edge S6 and the second edge S2 is greater than 90 degrees and less than 180 degrees, and the angle between the fifth edge S5 and the sixth edge S6 is greater than 90 degrees and less than 180 degrees.

[0064] That is, the angle between the connecting line of the geometric centers parallel to the sixth edge S6 of these light-emitting pixels 121 in the fourth edge pixel column R4 and the connecting line of the geometric centers parallel to the second edge S2 of these light-emitting pixels 121 in the first edge pixel column R1 is also greater than 90 degrees and less than 180 degrees, and the angle between the connecting line of the geometric centers parallel to the fifth edge S5 of these light-emitting pixels 121 in the third edge pixel column R3 and the connecting line of the geometric centers parallel to the sixth edge S6 of these light-emitting pixels 121 in the fourth edge pixel column R4 is also greater than 90 degrees and less than 180 degrees.

[0065] Also, the spacing between the light-emitting pixels 121 of one of the two in the pixel rows is not equal to the spacing between the light-emitting pixels 121 of the other of the two in the pixel rows.

[0066] 3B and 4A-4C, the second edge S2 and fifth edge S5 of non-rectangular substrate 110B of FIG. 4B can be respectively joined to the second edges S2 of two of the non-rectangular substrates 110 of FIG. 3B, and the second edge S2, fifth edge S5, and sixth edge S6 of non-rectangular substrate 110C of FIG. 4C can be respectively joined to the second edges S2 of three of the non-rectangular substrates 110 of FIG. 3B. In some embodiments, the cut angle of pentagonal non-rectangular substrate 110B is twice the cut angle of trapezoidal non-rectangular substrate 110, and the cut angle of hexagonal non-rectangular substrate 110C is three times the cut angle of trapezoidal non-rectangular substrate 110.

[0067] 3A and 4A. For ease of explanation, FIG. 5A only shows the non-rectangular substrate 110 and the light-emitting pixel 121. Referring to FIG. 5A, the third edge S3 of one of the two adjacent non-rectangular substrates 110 is joined to the first edge S1 of the other of the two adjacent non-rectangular substrates 110.

[0068] An included angle NL exists between the normals NL of two adjacent non-rectangular substrates 110. That is, an included angle exists between the normals NL of the surfaces LS of the two adjacent non-rectangular substrates 110 to define the light-emitting pixels 121. A distance d1 exists between the light-emitting pixels 121 in the second edge pixel row C2 of one of the two adjacent non-rectangular substrates 110 and the light-emitting pixels 121 in the first edge pixel row C1 of the other of the two adjacent non-rectangular substrates 110. A distance L1 exists between the light-emitting pixels 121 in the second edge pixel row C2 of one of the two adjacent non-rectangular substrates 110 and the third edge S3 of one of the two adjacent non-rectangular substrates 110. Each light-emitting pixel 121 in the second edge pixel row C2 of one of the two adjacent non-rectangular substrates 110 has a height h1.

[0069] As shown in FIG. 5A, the distance L1, the interval d1, the half angle θ1 of the included angle, and the height h1 satisfy the following formula (1), which can be estimated by geometrical mathematics. L1=((d1 / 2sinθ1)+1)×tanθ1…(1)

[0070] The half angle θ1 of the included angle between the normals of two adjacent non-rectangular substrates 110 is equal to the included angle of one of the two adjacent non-rectangular substrates 110 with a plane parallel to the direction of the pole point connecting line of the arc display screen 11 in Figure 1 (i.e., the thick dashed line shown in Figure 5A), i.e., the included angle of one of the two adjacent non-rectangular substrates 110 with a perpendicular plane of the arc display screen 11 in Figure 1 (i.e., the thick dashed line shown in Figure 5A).

[0071] Furthermore, the distance d1 between these light-emitting pixels 121 in the second edge pixel row C2 of one of the two adjacent non-rectangular substrates 110 and these light-emitting pixels 121 in the first edge pixel row C1 of the other of the two adjacent non-rectangular substrates 110 is the shortest distance from the surface (e.g., the light-emitting surface) of these light-emitting pixels 121 in the second edge pixel row C2 to the surface (e.g., the light-emitting surface) of these light-emitting pixels 121 in the first edge pixel row C1.

[0072] In some embodiments, the distance d1 between these light-emitting pixels 121 in the second edge pixel row C2 of one of two adjacent non-rectangular substrates 110 and these light-emitting pixels 121 in the first edge pixel row C1 of the other of the two adjacent non-rectangular substrates 110 is less than or equal to the distance PX between these light-emitting pixels 121 in each pixel column of the two adjacent non-rectangular substrates 110.

[0073] 3A and 4A. For ease of explanation, FIG. 5B shows only the non-rectangular substrate 110 and the light-emitting pixel 121. Referring to FIG. 5B, the second edge S2 of one of the two adjacent non-rectangular substrates 110 is joined to the fourth edge S4 of the other of the two adjacent non-rectangular substrates 110.

[0074] An included angle NL exists between the normals NL of two adjacent non-rectangular substrates 110. That is, an included angle exists between the normals NL of the surfaces LS of the two adjacent non-rectangular substrates 110 to define the light-emitting pixels 121. A distance d2 exists between the light-emitting pixels 121 in the first edge pixel column R1 of one of the two adjacent non-rectangular substrates 110 and the light-emitting pixels 121 in the second edge pixel column R2 of the other of the two adjacent non-rectangular substrates 110. A distance L2 exists between the light-emitting pixels 121 in the first edge pixel column R1 of one of the two adjacent non-rectangular substrates 110 and the second edge S2 of one of the two adjacent non-rectangular substrates 110. Each light-emitting pixel 121 in the first edge pixel column R1 of one of the two adjacent non-rectangular substrates 110 has a height h2.

[0075] As shown in FIG. 5B, the distance L2, the interval d2, the half angle θ2 of the included angle, and the height h2 satisfy the following equation (2), which can be estimated by geometrical mathematics. L2=((d2 / 2sinθ2)+h2)×tanθ2…(2)

[0076] The half angle θ2 of the included angle between the normals of two adjacent non-rectangular substrates 110 is also equal to the included angle of one of the two adjacent non-rectangular substrates 110 with a plane parallel to the polar direction of the arc display screen 11 in Figure 1 (i.e., the thick dashed line shown in Figure 5B), i.e., the included angle between one of the two adjacent non-rectangular substrates 110 and the perpendicular plane of the arc display screen 11 in Figure 1 (i.e., the thick dashed line shown in Figure 5B).

[0077] Furthermore, the distance d2 between these light-emitting pixels 121 in the first edge pixel column R1 of one of the two adjacent non-rectangular substrates 110 and these light-emitting pixels 121 in the second edge pixel column R2 of the other of the two adjacent non-rectangular substrates 110 is the shortest distance from the surface (e.g., the light-emitting surface) of these light-emitting pixels 121 in the first edge pixel column R1 to the surface (e.g., the light-emitting surface) of these light-emitting pixels 121 in the second edge pixel column R2.

[0078] In some embodiments, the distance d2 between these light-emitting pixels 121 in the first edge pixel column R1 of one of two adjacent non-rectangular substrates 110 and these light-emitting pixels 121 in the second edge pixel column R2 of the other of the two adjacent non-rectangular substrates 110 is less than or equal to the distance PY between these light-emitting pixels 121 in each pixel row of the two adjacent non-rectangular substrates 110.

[0079] In summary, in the arc display device of at least one embodiment of the present invention, the distances from the light-emitting pixels in the edge pixel rows and / or edge pixel columns adjacent to the edges of the non-rectangular substrates are all equal, and therefore, when two adjacent non-rectangular substrates are joined, the distances from the light-emitting pixels in one edge pixel row and / or edge pixel column of the two adjacent non-rectangular substrates adjacent to the joining edge are all equal to the light-emitting pixels in the other edge pixel row and / or edge pixel column of the two adjacent non-rectangular substrates adjacent to the joining edge, thereby reducing the generation of bright or dark lines at the joining position and thereby maintaining or improving display quality.

[0080] The present invention has been disclosed as above in the examples, but is not intended to limit the present invention, and a person skilled in the art to which the present invention pertains may make some modifications and improvements without departing from the spirit and scope of the present invention, and therefore the scope of protection of the present invention should be in accordance with that defined by the scope of the patent application to be attached later. [Explanation of symbols]

[0081] 10: Arc display device 11: Arc display screen 100: Display unit 110, 110A, 110B, 110C: Non-rectangular board 120: Pixel array 121: Light-emitting pixel 200: Support holder A, B: Area C1: First edge pixel row C2: Second edge pixel row d1, d2, P1, P2, P3, P4, PX, PY: Interval DS:Display surface h1, h2: height L1, L2: distance R1: First edge pixel row R2: Second edge pixel row R3: Third edge pixel row R4: Fourth edge pixel row Ra: pixel row S1: First edge S2: 2nd edge S3: Third edge S4: Fourth edge S5: Fifth edge S6: 6th edge θ1, θ2: Half angle

Claims

1. 1. An arc indicating device, comprising: a plurality of non-rectangular substrates, each having a first edge, a second edge connected to the first edge, and a third edge opposite the first edge; a plurality of pixel arrays each including a plurality of light-emitting pixels arranged in rows and columns, the pixel arrays being disposed on the plurality of non-rectangular substrates, the plurality of light-emitting pixels are arranged in a plurality of pixel rows and a plurality of pixel columns, the plurality of pixel rows including a first edge pixel row adjacent to the first edge and a second edge pixel row adjacent to the third edge, and the plurality of pixel columns including a first edge pixel column adjacent to the second edge; 1. An arc display device, characterized in that distances from the plurality of light-emitting pixels in the first edge pixel row to the first edge are all equal, distances from the plurality of light-emitting pixels in the first edge pixel column to the second edge are all equal, distances from the plurality of light-emitting pixels in the second edge pixel row to the third edge are all equal, and the distance from the plurality of light-emitting pixels in the first edge pixel row to the first edge is equal to the distance from the plurality of light-emitting pixels in the second edge pixel row to the third edge.

2. 2. The arc display device of claim 1, wherein a distance from the plurality of light-emitting pixels in the first edge pixel row to the first edge is not equal to a distance from the plurality of light-emitting pixels in the first edge pixel column to the second edge.

3. 2. The arc display device of claim 1, wherein the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the third edge of one of the two adjacent non-rectangular substrates being joined to the first edge of the other of the two adjacent non-rectangular substrates, and a spacing between the plurality of light-emitting pixels in the second edge pixel row of the one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the first edge pixel row of the other of the two adjacent non-rectangular substrates is equal to or less than a spacing between the plurality of light-emitting pixels in each pixel column of the two adjacent non-rectangular substrates.

4. the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the third edge of one of the two adjacent non-rectangular substrates being joined to the first edge of the other of the two adjacent non-rectangular substrates, an included angle being formed between normals of the two adjacent non-rectangular substrates, a spacing being formed between the plurality of light-emitting pixels in the second edge pixel row of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the first edge pixel row of the other of the two adjacent non-rectangular substrates, a distance being formed from the plurality of light-emitting pixels in the second edge pixel row of one of the two adjacent non-rectangular substrates to the third edge of one of the two adjacent non-rectangular substrates, and each light-emitting pixel in the second edge pixel row of one of the two adjacent non-rectangular substrates having a height, wherein the distance, the spacing, a half angle of the included angle, and the height satisfy the following mathematical formula: L1=((d1 / 2sinθ1)+1)×tanθ1 2. The arc indicating device of claim 1, wherein L1 is the distance, d1 is the spacing, θ1 is a half angle of the included angle, and h1 is the height.

5. 2. The arc display device of claim 1, wherein each of the non-rectangular substrates further has a fourth edge connected to the first edge, the plurality of pixel columns further includes a second edge pixel column adjacent to the fourth edge, the distances from the plurality of light-emitting pixels in the second edge pixel column to the fourth edge are all equal, and the distances from the plurality of light-emitting pixels in the second edge pixel column to the fourth edge are equal to the distances from the plurality of light-emitting pixels in the first edge pixel column to the second edge.

6. 6. The arc display device of claim 5, wherein the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the second edge of one of the two adjacent non-rectangular substrates being joined to the fourth edge of the other of the two adjacent non-rectangular substrates, and a spacing between the plurality of light-emitting pixels in the first edge pixel column of the one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the second edge pixel column of the other of the two adjacent non-rectangular substrates is equal to or less than a spacing between the plurality of light-emitting pixels in each pixel row of the two adjacent non-rectangular substrates.

7. the plurality of non-rectangular substrates include two adjacent non-rectangular substrates, the second edge of one of the two adjacent non-rectangular substrates being joined to the fourth edge of the other of the two adjacent non-rectangular substrates, an included angle being formed between normals of the two adjacent non-rectangular substrates, a spacing being formed between the plurality of light-emitting pixels in the first edge pixel column of one of the two adjacent non-rectangular substrates and the plurality of light-emitting pixels in the second edge pixel column of the other of the two adjacent non-rectangular substrates, a distance being formed from the plurality of light-emitting pixels in the first edge pixel column of one of the two adjacent non-rectangular substrates to the second edge of one of the two adjacent non-rectangular substrates, and the plurality of light-emitting pixels in the first edge pixel column of one of the two adjacent non-rectangular substrates having a height, wherein the distance, the spacing, a half angle of the included angle, and the height satisfy the following mathematical formula: L2=(d2 / 2sinθ2)+h2)×tanθ2 6. The arc indicating device of claim 5, wherein L2 is the distance, d2 is the spacing, θ2 is a half angle of the included angle, and h2 is the height.

8. 6. The arc display device of claim 5, wherein each of the non-rectangular substrates further has a fifth edge connecting to the second edge and the third edge, the plurality of pixel columns further including a third edge pixel column adjacent to the fifth edge, wherein distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are all equal, and the distance from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge is equal to the distance from the plurality of light-emitting pixels in the first edge pixel column to the second edge.

9. 6. The arc display device of claim 5, wherein each of the non-rectangular substrates further has a fifth edge connected to the third edge and a sixth edge connected to the second edge and the fifth edge, the plurality of pixel columns further including a third edge pixel column adjacent to the fifth edge and a fourth edge pixel column adjacent to the sixth edge, wherein distances from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge are all equal, distances from the plurality of light-emitting pixels in the fourth edge pixel column to the sixth edge are all equal, the distance from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge is equal to the distance from the plurality of light-emitting pixels in the first edge pixel column to the second edge, and the distance from the plurality of light-emitting pixels in the fourth edge pixel column to the sixth edge is equal to the distance from the plurality of light-emitting pixels in the third edge pixel column to the fifth edge.

10. The arc display device of claim 1 , wherein the distances between the plurality of light-emitting pixels in the same pixel column are all equal.

11. 11. The arc display device of claim 10, wherein the plurality of pixel columns includes two adjacent pixel columns, and a spacing between the plurality of light-emitting pixels in one of the two adjacent pixel columns is not equal to a spacing between the plurality of light-emitting pixels in the other of the two adjacent pixel columns.

12. The arc display device of claim 1 , wherein the spacing between the plurality of light-emitting pixels in the same pixel row is equal.

13. The arc display device of claim 12 , wherein the spacing between any two of the plurality of light-emitting pixels in the pixel row is equal to the spacing between any two other of the plurality of light-emitting pixels in the pixel row.

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