LED display lamp bead and LED display device with same

Abstract

The utility model provides an LED display lamp bead and an LED display device with the LED display lamp bead, and the LED display lamp bead comprises a substrate which comprises a first side, a second side, a third side and a fourth side, the first side and the second side are oppositely arranged, and the third side and the fourth side are arranged between the first side and the second side; the plurality of display chips are arranged on the substrate; the positive electrode pin group comprises a first positive electrode pin arranged on the first side and a second positive electrode pin arranged on the second side; the negative electrode pin group comprises a plurality of first negative electrode pins and a plurality of second negative electrode pins, the plurality of first negative electrode pins are respectively arranged on the third side and the fourth side, the plurality of second negative electrode pins are respectively arranged on the third side and the fourth side, and the plurality of first negative electrode pins and the plurality of second negative electrode pins are symmetrically arranged relative to the central point of the substrate. According to the technical scheme, the problem that the production efficiency is low due to the fact that the LED module needs to be assembled according to the fixed direction in the prior art is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display, in particular to an LED display lamp bead and an LED display device having the same. Background Art

[0002] LED display devices are widely used in outdoor or large venues due to their advantages of being able to achieve splicing and having good display effects. Specifically, LED display devices are composed of a display module and a box body, and a large number of lamp beads are arranged in an array on the display module.

[0003] In the related art, when LED modules are spliced ​​and installed, they need to be marked in a certain direction, and they must not be installed in a disorderly manner left and right or up and down in order to display normally. If the LED module is installed in reverse, it needs to be replaced. When replacing the direction of the LED module, it may cause damage to the LED module and the LED module needs to be repaired. Reverse wire connection may cause the module to burn and be damaged. In order to avoid damage to the LED module, it needs to be installed accurately, which will affect production efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide an LED display lamp bead and an LED display device having the same, so as to solve the problem in the related art that the LED module needs to be assembled in a fixed direction, thereby resulting in low production efficiency.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, there is provided an LED display lamp bead, comprising: a substrate, comprising a first side and a second side arranged opposite to each other, and a third side and a fourth side arranged between the first side and the second side, the third side and the fourth side being arranged opposite to each other; a plurality of display chips arranged on the substrate; a positive pin group, the positive pin group comprising a first positive pin arranged on the first side and a second positive pin arranged on the second side, wherein the first positive pin is connected to the positive electrodes of a part of the display chips, and the second positive pin is connected to the positive electrodes of the remaining display chips; or the first positive pin is connected to the second positive pin, and the first positive pin is connected to the positive electrodes of all the display chips. a positive electrode connection; a negative electrode pin group, the negative electrode pin group includes a plurality of first negative electrode pins and a plurality of second negative electrode pins, the plurality of first negative electrode pins are respectively arranged on the third side and the fourth side, and the plurality of second negative electrode pins are respectively arranged on the third side and the fourth side, wherein the plurality of first negative electrode pins are connected to the negative electrodes of all display chips in a one-to-one correspondence, and the plurality of first negative electrode pins are connected to the plurality of second negative electrode pins in a one-to-one correspondence; or, the plurality of first negative electrode pins are connected to the negative electrodes of the plurality of display chips in a one-to-one correspondence, and the plurality of second negative electrode pins are connected to the negative electrodes of the plurality of display chips in a one-to-one correspondence, wherein the plurality of first negative electrode pins and the plurality of second negative electrode pins are symmetrically arranged relative to the center point of the substrate.

[0006] Further, the first positive pin is arranged at a central position of the first side, and / or the second positive pin is arranged at a central position of the second side.

[0007] Further, the middlemost first negative pin among the multiple first negative pins is arranged at the center position of the third side, and the remaining first negative pins among the multiple first negative pins are symmetrically arranged relative to the center of the third side, and / or, the middlemost second negative pin among the multiple second negative pins is arranged at the center position of the fourth side, and the remaining second negative pins among the multiple second negative pins are symmetrically arranged relative to the center of the fourth side.

[0008] Further, a plurality of first negative electrode pins are arranged at intervals, and the distance between any two adjacent first negative electrode pins is equal; and / or a plurality of second negative electrode pins are arranged at intervals, and the distance between any two adjacent second negative electrode pins is equal.

[0009] Furthermore, a distance a between any two adjacent first cathode pins is equal to a distance b between any two adjacent second cathode pins.

[0010] Furthermore, the multiple display chips include multiple first light-emitting chips, multiple second light-emitting chips and multiple third light-emitting chips, and the multiple first light-emitting chips, the multiple second light-emitting chips and the multiple third light-emitting chips form a ring structure, wherein, in the arrangement direction of the multiple display chips, at least one second light-emitting chip and / or one third light-emitting chip is arranged between any two adjacent first light-emitting chips, wherein the light-emitting colors of the first light-emitting chip, the second light-emitting chip and the third light-emitting chip are different.

[0011] Furthermore, the annular structure is rectangular, circular or polygonal.

[0012] Furthermore, the plurality of first light-emitting chips are centrally symmetrically arranged relative to the center point of the annular structure, the plurality of second light-emitting chips are centrally symmetrically arranged relative to the center point of the annular structure, and the plurality of third light-emitting chips are centrally symmetrically arranged relative to the center point of the annular structure.

[0013] Further, the number of the plurality of first light-emitting chips is an even number, the number of the plurality of second light-emitting chips is an even number, and the number of the plurality of third light-emitting chips is an even number.

[0014] According to another aspect of the utility model, an LED display device is provided, comprising LED display lamp beads, and the LED display lamp beads are the above-mentioned LED display lamp beads.

[0015] The technical solution of the utility model is applied, and the substrate includes a first side, a second side, a third side and a fourth side, the first side and the second side are arranged opposite to each other, and the third side and the fourth side are arranged opposite to each other. A plurality of display chips are arranged on the substrate. The positive pin group includes a first positive pin and a second positive pin, the first positive pin is arranged on the first side, and the second positive pin is arranged on the second side. The first positive pin is connected to the positive electrodes of a part of the display chips, and the second positive pin is connected to the positive electrodes of the remaining display chips, or the first positive pin and the second positive pin are connected, and the first positive pin is connected to the positive electrodes of all the display chips. The negative electrode pin group includes a plurality of first negative electrode pins and a plurality of second negative electrode pins, the plurality of first negative electrode pins are respectively arranged on the third side and the fourth side, and the plurality of second negative electrode pins are respectively arranged on the third side and the fourth side. Specifically, the plurality of first negative electrode pins and the plurality of second negative electrode pins are symmetrically arranged relative to the center point of the substrate, the plurality of first negative electrode pins are connected to the plurality of second negative electrode pins one by one, the plurality of first negative electrode pins are connected to the negative electrodes of all display chips, or the plurality of first negative electrode pins are connected to the negative electrodes of all display chips, and the plurality of second negative electrode pins are connected to the negative electrodes of all display chips. Through the above arrangement, the first positive electrode pin and the second positive electrode pin are respectively arranged on the first side and the second side, the plurality of first negative electrode pins and the plurality of second negative electrode pins are respectively arranged on the third side and the fourth side, and the plurality of first negative electrode pins and the plurality of second negative electrode pins are symmetrically arranged relative to the center line of the substrate, so that when installing, there is no need to consider the installation direction, that is, installation in any direction can achieve conduction, and can ensure correct connection, so the technical solution of the present application effectively solves the problem that the LED module in the related art needs to be assembled in a fixed direction, thereby resulting in low production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A front view schematic diagram of an embodiment of an LED display lamp bead according to the utility model is shown;

[0018] Figure 2 Shows Figure 1 A schematic diagram of a front view of a substrate of an LED display lamp bead;

[0019] Figure 3 Shows Figure 1 A schematic diagram of another layout of a display chip of an LED display lamp bead.

[0020] The above drawings include the following reference numerals:

[0021] 10. Substrate; 11. First side; 12. Second side; 13. Third side; 14. Fourth side; 20. Display chip; 21. First light-emitting chip; 22. Second light-emitting chip; 23. Third light-emitting chip; 30. Anode pin group; 31. First cathode pin; 32. Second cathode pin; 40. Cathode pin group; 41. First cathode pin; 42. Second cathode pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] like Figure 1 and Figure 2As shown, in this embodiment, the LED display lamp bead includes: a substrate 10, a plurality of display chips 20, a positive pin group 30 and a negative pin group 40. The substrate 10 includes a first side 11 and a second side 12 arranged opposite to each other, and a third side 13 and a fourth side 14 arranged between the first side 11 and the second side 12, and the third side 13 and the fourth side 14 are arranged opposite to each other. The plurality of display chips 20 are arranged on the substrate 10. The positive electrode pin group 30 includes a first positive electrode pin 31 arranged on the first side 11 and a second positive electrode pin 32 arranged on the second side 12, wherein the first positive electrode pin 31 is connected to the positive electrode of a part of the display chip 20, and the second positive electrode pin 32 is connected to the positive electrode of the remaining display chip 20; the negative electrode pin group 40 includes a plurality of first negative electrode pins 41 and a plurality of second negative electrode pins 42, wherein the plurality of first negative electrode pins 41 are respectively arranged on the third side 13 and the fourth side 14, and the plurality of second negative electrode pins 42 are respectively arranged on the third side 13 and the fourth side 14, wherein the plurality of first negative electrode pins 41 are connected to the negative electrodes of all the display chips 20 in one-to-one correspondence, and the plurality of first negative electrode pins 41 are connected to the plurality of second negative electrode pins 42 in one-to-one correspondence. The plurality of first negative electrode pins 41 and the plurality of second negative electrode pins 42 are symmetrically arranged relative to the center point of the substrate 10.

[0025] Applying the technical solution of this embodiment, the substrate 10 includes a first side 11, a second side 12, a third side 13 and a fourth side 14. The first side 11 and the second side 12 are arranged opposite to each other, and the third side 13 and the fourth side 14 are arranged opposite to each other. A plurality of display chips 20 are arranged on the substrate 10. The positive pin group 30 includes a first positive pin 31 and a second positive pin 32. The first positive pin 31 is arranged on the first side 11, and the second positive pin 32 is arranged on the second side 12. The first positive pin 31 is connected to the positive electrodes of a part of the display chips 20, and the second positive pin 32 is connected to the positive electrodes of the remaining display chips 20. The negative electrode pin group 40 includes a plurality of first negative electrode pins 41 and a plurality of second negative electrode pins 42, the plurality of first negative electrode pins 41 are respectively arranged on the third side 13 and the fourth side 14, and the plurality of second negative electrode pins 42 are respectively arranged on the third side 13 and the fourth side 14. Specifically, the plurality of first negative electrode pins 41 and the plurality of second negative electrode pins 42 are symmetrically arranged relative to the center point of the substrate 10, the plurality of first negative electrode pins 41 are connected to the plurality of second negative electrode pins 42 in a one-to-one correspondence, and the plurality of first negative electrode pins 41 are connected to the negative electrodes of all the display chips 20. Through the above-mentioned arrangement, the first positive pin 31 and the second positive pin 32 are respectively arranged on the first side 11 and the second side 12, and the plurality of first negative pins 41 and the plurality of second negative pins 42 are respectively arranged on the third side 13 and the fourth side 14, and the plurality of first negative pins 41 and the plurality of second negative pins 42 are symmetrically arranged relative to the center line of the substrate 10. In this way, when installing, there is no need to consider the installation direction, that is, conduction can be achieved when installed in any direction, and correct connectivity can be guaranteed. Therefore, the technical solution of this embodiment effectively solves the problem in the related art that the LED module needs to be assembled in a fixed direction, resulting in low production efficiency.

[0026] Of course, in an embodiment not shown in the figure, the first positive pin 31 and the second positive pin 32 are connected, and the first positive pin 31 is connected to the positive electrodes of all display chips 20. The plurality of first negative pins 41 are connected to the negative electrodes of the plurality of display chips 20 in a one-to-one correspondence, and the plurality of second negative pins 42 are connected to the negative electrodes of the plurality of display chips 20 in a one-to-one correspondence.

[0027] It should be noted that the above-mentioned substrate 10 is a PCB substrate.

[0028] like Figure 1 and Figure 2 As shown, in this embodiment, the first positive pin 31 is arranged at the center of the first side 11, and the second positive pin 32 is arranged at the center of the second side 12. The first positive pin 31 and the second positive pin 32 are arranged at the center of the first side 11 and the center of the second side 12, respectively, so that it is easier to align during connection.

[0029] like Figure 1 and Figure 2 As shown, in this embodiment, the middlemost first negative electrode pin 41 among the plurality of first negative electrode pins 41 is arranged at the center of the third side 13, and the remaining first negative electrode pins 41 among the plurality of first negative electrode pins 41 are arranged symmetrically with respect to the center of the third side 13, the middlemost second negative electrode pin 42 among the plurality of second negative electrode pins 42 is arranged at the center of the fourth side 14, and the remaining second negative electrode pins 42 among the plurality of second negative electrode pins 42 are arranged symmetrically with respect to the center of the fourth side 14. The above arrangement can also reduce the difficulty of connection.

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, a plurality of first negative electrode pins 41 are arranged at intervals, and the distance between any two adjacent first negative electrode pins 41 is equal; a plurality of second negative electrode pins 42 are arranged at intervals, and the distance between any two adjacent second negative electrode pins 42 is equal. The above arrangement can make the overall structure of the LED display lamp bead more regular and easy to process.

[0031] like Figure 1 and Figure 2 As shown, in this embodiment, the distance a between any two adjacent first cathode pins 41 is equal to the distance b between any two adjacent second cathode pins 42. The above arrangement can ensure that the connection between two adjacent LED display lamp beads is easier.

[0032] like Figure 1 and Figure 3 As shown, in this embodiment, the plurality of display chips 20 include a plurality of first light-emitting chips 21, a plurality of second light-emitting chips 22, and a plurality of third light-emitting chips 23, and the plurality of first light-emitting chips 21, the plurality of second light-emitting chips 22, and the plurality of third light-emitting chips 23 form a ring structure, wherein, in the arrangement direction of the plurality of display chips 20, at least one second light-emitting chip 22 and / or one third light-emitting chip 23 is arranged between any two adjacent first light-emitting chips 21. The above arrangement enables the user to always see the first light-emitting chip 21, the second light-emitting chip 22, and the third light-emitting chip 23 when viewing at any angle, so that the light-emitting effect of the LED display lamp beads is good and there will be no color cast.

[0033] It should be noted that the first light emitting chip 21 , the second light emitting chip 22 and the third light emitting chip 23 are respectively one of a red light emitting chip, a green light emitting chip and a blue light emitting chip, and the first light emitting chip 21 , the second light emitting chip 22 and the third light emitting chip 23 have different light emitting colors.

[0034] like Figure 1 and Figure 3As shown, in this embodiment, the ring structure is rectangular, circular or polygonal. The above arrangement can ensure that the LED display lamp beads will not have color cast problems when users watch at different angles.

[0035] like Figure 1 and Figure 3 As shown, in this embodiment, a plurality of first light-emitting chips 21 are centrally symmetrically arranged relative to the center point of the ring structure, a plurality of second light-emitting chips 22 are centrally symmetrically arranged relative to the center point of the ring structure, and a plurality of third light-emitting chips 23 are centrally symmetrically arranged relative to the center point of the ring structure. The above arrangement can ensure the display effect.

[0036] like Figure 1 and Figure 3 As shown, in this embodiment, the number of the plurality of first light-emitting chips 21 is an even number, the number of the plurality of second light-emitting chips 22 is an even number, and the number of the plurality of third light-emitting chips 23 is an even number. The above arrangement can avoid that the light of any color is less, thereby affecting the display effect, and the above arrangement can make the overall layout more reasonable, thereby ensuring the display effect.

[0037] According to another aspect of the present application, an LED display device is provided. The LED display device of this embodiment includes LED display lamp beads, and the LED display lamp beads are the above-mentioned LED display lamp beads. The installation of the above-mentioned LED display lamp beads does not need to distinguish the direction, thereby reducing the difficulty of installation, and the above-mentioned LED display lamp beads can ensure color consistency when viewed from any angle without color cast, so the LED display device with the above-mentioned LED display lamp beads also has the above-mentioned advantages.

[0038] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0039] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An LED display lamp bead, characterized in that: include: A substrate (10) comprising a first side (11) and a second side (12) arranged opposite to each other, and a third side (13) and a fourth side (14) arranged between the first side (11) and the second side (12), wherein the third side (13) and the fourth side (14) are arranged opposite to each other; A plurality of display chips (20) are arranged on the substrate (10); A positive electrode pin group (30), the positive electrode pin group (30) comprising a first positive electrode pin (31) arranged on the first side (11) and a second positive electrode pin (32) arranged on the second side (12), wherein the first positive electrode pin (31) is connected to the positive electrodes of a portion of the display chips (20), and the second positive electrode pin (32) is connected to the positive electrodes of the remaining display chips (20); or the first positive electrode pin (31) and the second positive electrode pin (32) are connected, and the first positive electrode pin (31) is connected to the positive electrodes of all the display chips (20); A negative electrode pin group (40), the negative electrode pin group (40) comprising a plurality of first negative electrode pins (41) and a plurality of second negative electrode pins (42), the plurality of first negative electrode pins (41) being respectively arranged on the third side (13) and the fourth side (14), and the plurality of second negative electrode pins (42) being respectively arranged on the third side (13) and the fourth side (14), wherein the plurality of first negative electrode pins (41) are connected to the negative electrodes of all the display chips (20) in a one-to-one correspondence, and the plurality of first negative electrode pins (41) are connected to the plurality of second negative electrode pins (42) in a one-to-one correspondence; or the plurality of first negative electrode pins (41) are connected to the negative electrodes of the plurality of display chips (20) in a one-to-one correspondence, and the plurality of second negative electrode pins (42) are connected to the negative electrodes of the plurality of display chips (20) in a one-to-one correspondence, Wherein, the plurality of first negative electrode pins (41) and the plurality of second negative electrode pins (42) are symmetrically arranged relative to the center point of the substrate (10).

2. The LED display lamp bead according to claim 1, characterized in that: The first positive pin (31) is arranged at a central position of the first side (11), and / or the second positive pin (32) is arranged at a central position of the second side (12).

3. The LED display lamp bead according to claim 1, characterized in that: The middlemost first negative electrode pin (41) among the plurality of first negative electrode pins (41) is arranged at a central position of the third side (13), and the remaining first negative electrode pins (41) among the plurality of first negative electrode pins (41) are arranged symmetrically with respect to the center of the third side (13), and / or the middlemost second negative electrode pin (42) among the plurality of second negative electrode pins (42) is arranged at a central position of the fourth side (14), and the remaining second negative electrode pins (42) among the plurality of second negative electrode pins (42) are arranged symmetrically with respect to the center of the fourth side (14).

4. The LED display lamp bead according to claim 1, characterized in that: A plurality of the first negative electrode pins (41) are arranged at intervals, and the distance between any two adjacent first negative electrode pins (41) is equal; and / or a plurality of the second negative electrode pins (42) are arranged at intervals, and the distance between any two adjacent second negative electrode pins (42) is equal.

5. The LED display lamp bead according to claim 4, characterized in that: The distance a between any two adjacent first negative electrode pins (41) is equal to the distance b between any two adjacent second negative electrode pins (42).

6. The LED display lamp bead according to any one of claims 1 to 5, characterized in that: The plurality of display chips (20) include a plurality of first light-emitting chips (21), a plurality of second light-emitting chips (22) and a plurality of third light-emitting chips (23), wherein the plurality of first light-emitting chips (21), the plurality of second light-emitting chips (22) and the plurality of third light-emitting chips (23) form a ring structure, wherein, in the arrangement direction of the plurality of display chips (20), at least one of the second light-emitting chips (22) and / or one of the third light-emitting chips (23) is arranged between any two adjacent first light-emitting chips (21), wherein the light-emitting colors of the first light-emitting chip (21), the second light-emitting chip (22) and the third light-emitting chip (23) are different.

7. The LED display lamp bead according to claim 6, characterized in that: The annular structure is rectangular, circular or polygonal.

8. The LED display lamp bead according to claim 6, characterized in that: The plurality of first light-emitting chips (21) are centrally symmetrically arranged relative to the center point of the annular structure, the plurality of second light-emitting chips (22) are centrally symmetrically arranged relative to the center point of the annular structure, and the plurality of third light-emitting chips (23) are centrally symmetrically arranged relative to the center point of the annular structure.

9. The LED display lamp bead according to claim 6, characterized in that: The number of the plurality of first light-emitting chips (21) is an even number, the number of the plurality of second light-emitting chips (22) is an even number, and the number of the plurality of third light-emitting chips (23) is an even number.

10. An LED display device, comprising an LED display lamp bead, characterized in that: The LED display lamp bead is the LED display lamp bead according to any one of claims 1 to 9.

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