Backlight device and display equipment
Through the design of conductive sliders and conductive contact strips, the rapid electrical connection of the backlight device is achieved, solving the problem of complex electrical connection of the backlight strips of large-size display equipment, improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202420255269.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The backlight strips of large-size display equipment have complex electrical connections and many wire connections, which leads to long production time and low production efficiency.
The conductive slider and the conductive contact strip are used to achieve the electrical connection of the light strip in series or parallel, eliminating the wire plug-in operation, and the rapid electrical connection is achieved through the coordination of the conductive slider and the slide rail.
Reduces the number of wires and fixed operations, improves production efficiency and reduces labor costs.
Smart Images
Figure CN222232833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light sources, in particular to a backlight device and a display equipment. Background Art
[0002] Display devices such as televisions are provided with backlight sources, and the backlight light strips of current television sets are electrically connected through wires. The wires between the light strips need to be plugged through sockets and plugs to achieve electrical connection. In addition, the wires need to be fixed. For large-sized display devices, such as 98-inch TVs, there are more light strips, more plug-in times, and more wires, resulting in a longer production time and low production efficiency. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and to provide a backlight device and a display apparatus.
[0004] An embodiment of the utility model provides a backlight device, comprising: further.
[0005] In some optional embodiments, the backlight device further comprises a plurality of the intermediate conductive components, and the plurality of the intermediate conductive components are arranged in sequence along the first direction;
[0006] The light source assembly further includes at least one third light bar, and the first light bar, the third light bar and the second light bar are arranged in sequence along the first direction;
[0007] When the number of the third light bar is one, the conductive slider is correspondingly arranged between the first light bar and the third light bar and between the third light bar and the second light bar to realize series connection or parallel connection;
[0008] When the number of the third light bars is greater than one, the conductive slider is correspondingly arranged between the first light bar and the third light bar, between the third light bar and the second light bar, and between adjacent third light bars to achieve series connection or parallel connection.
[0009] In some optional embodiments, the first light bar and the second light bar include a light board, a first positive contact point, a second positive contact point, a first negative contact point, a second negative contact point and a light-emitting unit, the first positive contact point and the second positive contact point are respectively arranged on both sides of the light board, the first negative contact point and the second negative contact point are respectively arranged on both sides of the light board, and the first positive contact point, the second positive contact point, the first negative contact point and the second negative contact point are all electrically connected to the light-emitting unit;
[0010] The first positive contact point of the first light bar is electrically connected to the first conductive contact bar, and the second negative contact point of the second light bar is electrically connected to the second conductive contact bar;
[0011] The first light bar and the second light bar of the same light source assembly are connected in series in the following manner:
[0012] The second cathode contact point of the first light bar and the first anode contact point of the second light bar are electrically connected via the conductive slider;
[0013] The first light bar and the second light bar of the same light source assembly are connected in parallel in the following manner:
[0014] The second positive contact point of the first light bar and the first positive contact point of the second light bar are electrically connected through the conductive slider, and the second negative contact point of the first light bar and the first negative contact point of the second light bar are electrically connected through another conductive slider.
[0015] In some optional embodiments, the first light bar and the second light bar include a plurality of the light emitting units, the plurality of the light emitting units are arranged on the light board, and are electrically connected to the first positive contact point, the second positive contact point, the first negative contact point, and the second negative contact point.
[0016] In some optional embodiments, a plurality of first conductive portions are disposed on the first conductive contact strip, the plurality of first conductive portions are sequentially arranged along the second direction, and the first conductive portions abut against the first light strip to achieve electrical connection between the first conductive contact strip and the first light strip.
[0017] In some optional embodiments, a plurality of second conductive portions are provided on the second conductive contact strip, the plurality of second conductive portions are arranged sequentially along the second direction, and the second conductive portions abut against the second light strip to achieve electrical connection between the second conductive contact strip and the second light strip.
[0018] In some optional embodiments, the intermediate conductive component includes a plurality of slide rails, the slide rails are disposed on the mounting plate, and the plurality of conductive sliders are slidably engaged with the slide rails.
[0019] In some optional embodiments, the first light bar and the second light bar are detachably connected to the mounting plate via a snap-on structure or a magnetic structure.
[0020] Another embodiment of the utility model provides a display device, comprising: a body and a backlight device as described above, wherein the mounting plate is arranged at the rear side of the body.
[0021] In some optional embodiments, a board card mounting position is preset on the main body, the first conductive contact strip and the second conductive contact strip extend to the board card mounting position, a board card is arranged on the board card mounting position, and the board card abuts against the first conductive contact strip and the second conductive contact strip to achieve electrical connection between the board card and the first conductive contact strip and the second conductive contact strip.
[0022] Compared with the prior art, in the backlight device of the present invention, the light bar can achieve quick power connection by abutting against the conductive contact strip and the conductive slider, eliminating the need for plugging in wires, and is also beneficial for reducing the number of wires, saving the need for fixing wires, reducing labor costs, and improving production efficiency.
[0023] In order to more clearly understand the present invention, the specific implementation of the present invention will be described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic structural diagram of a backlight device according to an embodiment of the utility model;
[0025] Figure 2 It is a structural schematic diagram of a mounting plate, a first conductive contact strip, a second conductive contact strip and an intermediate conductive component in one embodiment of the utility model;
[0026] Figure 3 The figure is a schematic diagram of the structure of a light bar according to an embodiment of the present invention.
[0027] Description of reference numerals:
[0028] 10. Mounting plate; 20. First conductive contact strip; 21. First conductive portion; 30. Second conductive contact strip; 31. Second conductive portion; 40. Intermediate conductive component; 41. Conductive slider; 42. Slide rail; 50. Light source component; 51. First light strip; 52. Second light strip; 53. Light board; 54. First positive contact point; 55. Second positive contact point; 56. First negative contact point; 57. Second negative contact point; 58. Light-emitting unit. DETAILED DESCRIPTION
[0029] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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. 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. In the description of the utility model, unless otherwise specified, "multiple" means 2 or more, and "several" means 1 or more. In addition, unless otherwise specified, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] See also Figure 1 , an embodiment of the utility model provides a backlight device, the backlight device comprising: a backlight device, comprising: a mounting plate 10, a first conductive contact strip 20, a second conductive contact strip 30, an intermediate conductive component 40 and a plurality of light source components 50;
[0032] The first conductive contact strip 20, the intermediate conductive component 40 and the second conductive contact strip 30 are sequentially arranged on the mounting board 10 along a first direction; wherein the intermediate conductive component 40 includes a plurality of conductive sliders 41, and the plurality of conductive sliders 41 are sequentially arranged between the first conductive contact strip 20 and the second conductive contact strip 30 along a second direction, and the second direction is perpendicular to the first direction.
[0033] A plurality of light source assemblies 50 are sequentially arranged along the second direction, each of the light source assemblies 50 includes a first light bar 51 and a second light bar 52, the conductive slider 41 is disposed between one side of the first light bar 51 and one side of the second light bar 52 so as to realize series connection or parallel connection between the first light bar 51 and the second light bar 52, and the other side of the first light bar 51 abuts against the first conductive contact bar 20 to realize electrical connection with the first conductive contact bar 20, and the other side of the second light bar 52 abuts against the second conductive contact bar 30 to realize electrical connection with the second conductive contact bar 30, and the first light bar 51 and the second light bar 52 can be selectively connected in series or in parallel according to different power requirements of the light bars. The first conductive contact bar 20 and the second conductive contact bar 30 are electrically connected to a board or other electrical device of a display device, and the board, the first conductive contact bar 20, the first light bar 51, the conductive slider 41, the second light bar 52 and the second conductive contact bar 30 are electrically connected in sequence to form a loop. When the first light bar 51 and the second light bar 52 are connected in series, they both abut against the same conductive slider 41 . When the first light bar 51 and the second light bar 52 are connected in parallel, they both abut against the same two conductive sliders 41 .
[0034] See also Figure 2 The specific structure of the first conductive contact strip 20 can be designed according to actual needs. For example, in order to facilitate the accurate abutment between the first conductive contact strip 20 and the first light strip 51, in some optional embodiments, a plurality of first conductive portions 21 are provided on the first conductive contact strip 20, and the plurality of first conductive portions 21 are arranged sequentially along the second direction. The first conductive portions 21 abut against the first light strip 51 to realize electrical connection between the first conductive contact strip 20 and the first light strip 51.
[0035] The specific structure of the second conductive contact strip 30 can be designed according to actual needs. For example, in order to facilitate the accurate abutment between the second conductive contact strip 30 and the second light strip 52, in some optional embodiments, a plurality of second conductive portions 31 are provided on the second conductive contact strip 30, and the plurality of second conductive portions 31 are arranged sequentially along the second direction. The second conductive portions 31 abut against the second light strip 52 to realize electrical connection between the second conductive contact strip 30 and the second light strip 52.
[0036] See also Figure 3The specific structures of the first light bar and the second light bar can be designed according to actual needs. For example, in some optional embodiments, the first light bar and the second light bar both include a light board 53, a first positive contact point 54, a second positive contact point 55, a first negative contact point 56, a second negative contact point 57 and a light-emitting unit 58. The first positive contact point 54 and the second positive contact point 55 are respectively arranged on both sides of the light board 53, and the first negative contact point 56 and the second negative contact point 57 are respectively arranged on both sides of the light board 53. The first positive contact point 54, the second positive contact point 55, the first negative contact point 56 and the second negative contact point 57 are all electrically connected to the light-emitting unit 58.
[0037] The first positive contact point 54 of the first light bar 51 is electrically connected to the first conductive portion 21 of the first conductive contact bar 20, and the second negative contact point 57 of the second light bar 52 is electrically connected to the second conductive portion 31 of the second conductive contact bar 30. The first positive contact point 54 and the first negative contact point 56 are on the same side of the first light board 53, and the positions between them can be designed according to actual needs to adapt to the position of the first conductive portion 21. The second positive contact point 55 and the second negative contact point 57 are on the same side of the second light board 53, and the positions between them can be designed according to actual needs to adapt to the position of the second conductive portion 31.
[0038] See also Figure 3 As shown in the figure, there are five light source assemblies arranged from top to bottom, the light bars of the three light source assemblies on the top are connected in parallel, and the light bars of the two light source assemblies on the bottom are connected in series. The first light bar 51 and the second light bar 52 of the same light source assembly 50 are connected in series in the following manner: the second negative contact point 55 of the first light bar 51 and the first positive contact point 56 of the second light bar 52 are electrically connected through the conductive slider 41. The first light bar 51 and the second light bar 52 of the same light source assembly 50 are connected in parallel in the following manner: the second positive contact point 55 of the first light bar 51 and the first positive contact point 54 of the second light bar 52 are electrically connected through the conductive slider 41, and the second negative contact point 57 of the first light bar 51 and the first negative contact point 56 of the second light bar 52 are electrically connected through another conductive slider 41.
[0039] The number of light-emitting units 58 can be designed according to actual needs. For example, in some optional embodiments, the first light bar and the second light bar both include a plurality of light-emitting units 58, which are disposed on the light board 53 and are electrically connected to the first positive contact point 54, the second positive contact point 55, the first negative contact point 56, and the second negative contact point 57. In this embodiment, the light bar includes three light-emitting units 58, which are arranged in sequence along the extension direction of the light bar.
[0040] The number of light bars included in the light source assembly 50 can be designed according to actual needs. For example, when the display device is large, more light bars need to be arranged in the first direction. In some optional embodiments, multiple intermediate conductive components 40 are arranged in sequence along the first direction; the light source assembly 50 also includes at least one third light bar, and the first light bar 51, the third light bar and the second light bar 52 are arranged in sequence along the first direction. When the number of the third light bars is one, the conductive slider 41 is correspondingly arranged between the first light bar 51 and the third light bar and between the third light bar and the second light bar 52 to achieve series or parallel connection; when the number of the third light bars is greater than one, the conductive slider 41 is correspondingly arranged between the first light bar 51 and the third light bar, between the third light bar and the second light bar 52, and between adjacent third light bars to achieve series or parallel connection. The manner in which the first light bar 51 and the third light bar are connected in series or in parallel through the conductive slider 41 can refer to the manner in which the first light bar 51 and the second light bar 52 are connected in series or in parallel, and the manner in which the third light bar and the second light bar 52 are connected in series or in parallel through the conductive slider 41 can refer to the manner in which the first light bar 51 and the second light bar 52 are connected in series or in parallel; when the number of third light bars is greater than one, the manner in which adjacent third light bars are connected in series or in parallel through the conductive slider 41 can refer to the manner in which the first light bar 51 and the second light bar 52 are connected in series or in parallel. In some optional embodiments, the intermediate conductive component 40 includes a plurality of slide rails 42, which are disposed on the mounting plate 10, and a plurality of conductive sliders 41 are slidably matched with the slide rails 42. Since the number of conductive sliders 41 required for the series or parallel connection between the light bars is different, the conductive slider 41 can adjust its position along the slide rail 42 in the second direction to adapt to the series or parallel requirements between the light bars.
[0041] The installation method of the first light bar 51 and the second light bar 52 can be designed according to actual needs. For example, in some optional embodiments, the first light bar 51 and the second light bar 52 are detachably connected to the mounting plate 10 through a snap structure or a magnetic structure.
[0042] The specific structure of the magnetic attraction structure can be designed according to actual needs. For example, the magnetic attraction structure includes a magnet arranged on the light bar, a magnetic metal is installed on the mounting plate 10 or is made of a magnetic metal, and the magnet on the light bar is adsorbed and cooperated with the mounting plate 10; or, the magnetic attraction structure includes a magnet arranged on the mounting plate 10, a magnetic metal is installed on the light bar or is made of a magnetic metal, and the magnet on the mounting plate 10 is adsorbed and cooperated with the light bar.
[0043] The specific structure of the snap-on structure can be designed according to actual needs. For example, a snap-on piece is provided on the light strip, a snap-on groove is provided on the mounting plate 10, and the snap-on piece and the snap-on groove are snap-fitted together; or, a snap-on piece is provided on the mounting plate 10, a snap-on groove is provided on the light strip, and the snap-on piece and the snap-on groove are snap-fitted together.
[0044] The above-mentioned backlight device can be applied to a display device, which includes: a body and the above-mentioned backlight device, wherein the mounting plate 10 is arranged at the rear side of the body.
[0045] In order to facilitate the construction of a loop by the first conductive contact strip 20 and the second conductive contact strip 30, in some optional embodiments, a board card installation position is preset on the main body, and the first conductive contact strip 20 and the second conductive contact strip 30 extend to the board card installation position. A board card is arranged on the board card installation position. When the board card is installed, the board card abuts against the first conductive contact strip 20 and the second conductive contact strip 30 to achieve electrical connection between the board card and the first conductive contact strip 20 and the second conductive contact strip 30. The installation is quick, which is also beneficial to reduce the use of wires and improve production efficiency.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A backlight device, characterized in that: include: a mounting plate, a first conductive contact strip, a second conductive contact strip, an intermediate conductive assembly, and a plurality of light source assemblies; The first conductive contact strip, the intermediate conductive component and the second conductive contact strip are sequentially arranged on the mounting plate along a first direction; Wherein, the intermediate conductive component comprises a plurality of conductive sliders, and the plurality of conductive sliders are sequentially arranged between the first conductive contact strip and the second conductive contact strip along a second direction, and the second direction is perpendicular to the first direction; The plurality of light source assemblies are arranged in sequence along the second direction, each of the light source assemblies includes a first light bar and a second light bar, the conductive slider is arranged between one side of the first light bar and one side of the second light bar to achieve series connection or parallel connection, and the other side of the first light bar abuts against the first conductive contact bar to achieve electrical connection with the first conductive contact bar, and the other side of the second light bar abuts against the second conductive contact bar to achieve electrical connection with the second conductive contact bar.
2. The backlight device according to claim 1, characterized in that: It also includes a plurality of the intermediate conductive components, which are arranged in sequence along the first direction; The light source assembly further includes at least one third light bar, and the first light bar, the third light bar and the second light bar are arranged in sequence along the first direction; When the number of the third light bar is one, the conductive slider is correspondingly arranged between the first light bar and the third light bar and between the third light bar and the second light bar to realize series connection or parallel connection; When the number of the third light bars is greater than one, the conductive slider is correspondingly arranged between the first light bar and the third light bar, between the third light bar and the second light bar, and between adjacent third light bars to achieve series connection or parallel connection.
3. The backlight device according to claim 1, characterized in that: The first light bar and the second light bar both include a light board, a first positive contact point, a second positive contact point, a first negative contact point, a second negative contact point and a light-emitting unit, the first positive contact point and the second positive contact point are respectively arranged on both sides of the light board, the first negative contact point and the second negative contact point are respectively arranged on both sides of the light board, and the first positive contact point, the second positive contact point, the first negative contact point and the second negative contact point are all electrically connected to the light-emitting unit; The first positive contact point of the first light bar is electrically connected to the first conductive contact bar, and the second negative contact point of the second light bar is electrically connected to the second conductive contact bar; The first light bar and the second light bar of the same light source assembly are connected in series in the following manner: The second cathode contact point of the first light bar and the first anode contact point of the second light bar are electrically connected via the conductive slider; The first light bar and the second light bar of the same light source assembly are connected in parallel in the following manner: The second positive contact point of the first light bar and the first positive contact point of the second light bar are electrically connected through the conductive slider, and the second negative contact point of the first light bar and the first negative contact point of the second light bar are electrically connected through another conductive slider.
4. The backlight device according to claim 3, characterized in that: The first light bar and the second light bar both include a plurality of light emitting units, which are disposed on the light board and are electrically connected to the first positive contact point, the second positive contact point, the first negative contact point, and the second negative contact point.
5. The backlight device according to claim 1, characterized in that: The first conductive contact bar is provided with a plurality of first conductive parts, which are arranged in sequence along the second direction, and the first conductive parts abut against the first light bar to realize electrical connection between the first conductive contact bar and the first light bar.
6. The backlight device according to claim 1, characterized in that: The second conductive contact bar is provided with a plurality of second conductive parts, which are arranged in sequence along the second direction, and the second conductive parts abut against the second light bar to realize electrical connection between the second conductive contact bar and the second light bar.
7. The backlight device according to any one of claims 1 to 6, characterized in that: The intermediate conductive component includes a plurality of slide rails, the slide rails are arranged on the mounting plate, and a plurality of conductive sliding blocks are slidably matched with the slide rails.
8. The backlight device according to any one of claims 1 to 6, characterized in that: The first light bar and the second light bar are detachably connected to the mounting plate via a snap structure or a magnetic structure.
9. A display device, characterized in that: include: A body and a backlight device as claimed in any one of claims 1 to 8, wherein the mounting plate is arranged at the rear side of the body.
10. A display device according to claim 9, characterized in that: A board card installation position is preset on the main body, the first conductive contact strip and the second conductive contact strip extend to the board card installation position, a board card is arranged on the board card installation position, and the board card abuts against the first conductive contact strip and the second conductive contact strip to achieve electrical connection between the board card and the first conductive contact strip and the second conductive contact strip.