Backlight module and display device

Abstract

The embodiment of the utility model provides a backlight module and a display device, and the backlight module comprises a back plate which is provided with a lamp plate mounting side and a back side which are oppositely arranged, and the lamp plate mounting side is provided with a groove part; the lamp panel is arranged on the lamp panel mounting side of the back panel, and a first plugging terminal is arranged on the side, facing the groove part, of the lamp panel; and the adapter plate is arranged in the groove part, a second plugging terminal is arranged on one side, facing the lamp panel, of the adapter plate, and the first plugging terminal and the second plugging terminal are in conductive plugging connection.

Description

Technical Field

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

[0002] In the related art, each lamp panel of the display device needs to be connected to the drive control board through adapter cables, and a large number of wires and plug-in materials are required, resulting in a significant increase in material costs and installation labor costs, and the wiring in the display device is relatively chaotic. Utility Model Content

[0003] The embodiments of the present application provide a backlight module and a display device, which can reduce material and labor costs and avoid wiring confusion.

[0004] On the one hand, an embodiment of the present application provides a backlight module, including: a back panel, having a light board installation side and a back side relatively arranged, the light board installation side being provided with a groove portion; a light board, arranged on the light board installation side of the back panel, a first plug-in terminal being provided on a side of the light board facing the groove portion; an adapter board, arranged in the groove portion, a second plug-in terminal being provided on a side of the adapter board facing the light board, the first plug-in terminal and the second plug-in terminal being conductively plugged in.

[0005] In some embodiments, the backlight module includes a plurality of light boards, which are arranged in sequence along the extension direction of the groove portion; the adapter board extends along the extension direction of the groove portion and is provided with a plurality of second plug-in terminals, and the plurality of second plug-in terminals on the adapter board are arranged in sequence at intervals along the extension direction of the groove portion, and the plurality of light boards and the plurality of second plug-in terminals which are arranged in sequence along the extension direction of the groove portion are equal in number and are conductively connected one-to-one.

[0006] In some embodiments, the multiple light boards are also arranged in sequence along a second direction, and the second direction is perpendicular to or inclined at an angle to the extension direction of the groove portion; the light board mounting side is provided with multiple groove portions, and the multiple groove portions are arranged in sequence along the second direction, and an adapter plate is provided in each groove portion.

[0007] In some embodiments, a plurality of groove portions are provided on the installation side of the light board, and the plurality of groove portions are arranged in sequence and spaced apart along the second direction. The second direction and the extension direction of the groove portions are perpendicular or inclined at an angle, and an adapter plate is provided in each groove portion.

[0008] In some embodiments, a light emitting device is provided on a surface of the light board on one side away from the groove portion, and a driving circuit module is provided on the adapter board, and the driving circuit module is configured to drive the light emitting device to emit light.

[0009] In some embodiments, the backlight module further includes a control board and a composite connection line, the control board supplies power to the adapter board through the composite connection line, and communicates with the adapter board through the composite connection line.

[0010] In some embodiments, the backlight module further includes a power board, and the power board is electrically connected to the adapter board through the control board.

[0011] In some embodiments, a power supply module is also provided on the control board.

[0012] In some embodiments, one of the first plug-in terminal and the second plug-in terminal is a socket, and the other is a plug.

[0013] In some embodiments, the first plug-in terminal includes a plurality of first pins, which are respectively arranged on the lamp board and conductively connected to the circuit layer on the lamp board; the second plug-in terminal includes a plurality of second pins, which are respectively arranged on the adapter board and conductively connected to the circuit layer on the adapter board.

[0014] In some embodiments, a wire hole is provided on the side wall of the groove portion, and the other end of the wire hole opens to the back side of the back plate; and a circuit board component mounting portion is provided on the back side of the back plate.

[0015] On the other hand, an embodiment of the present application provides a display device, comprising the backlight module provided by any of the above embodiments.

[0016] The embodiment of the present application provides a groove portion on the light board installation side of the back panel and provides an adapter board in the groove portion. The light board can be conductively connected through the first plug-in terminal thereon and the second plug-in terminal on the adapter board, and then communicate / power supply is connected with the drive control board through the adapter board, so that the light board and the adapter board form a hidden installation structure with accurate front and back plug-in connection. There is no need to set light board connecting wires and plug-in materials, which can reduce the required adapter wires and plug-in materials, reduce material costs and installation labor costs, and avoid wiring confusion caused by too many wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a projection structure diagram of a backlight module provided in some embodiments of the present application;

[0019] Figure 2 yes Figure 1 AA partial cross-sectional structure diagram of the backlight module;

[0020] Figure 3 is another projection structure diagram of a backlight module provided in some embodiments of the present application;

[0021] Figure 4 This is a partial connection structure diagram of a backlight module provided in some embodiments of the present application;

[0022] Figure 5 This is another partial connection structure diagram of the backlight module provided in some embodiments of the present application.

[0023] Description of main component symbols:

[0024] 1-back panel, 11-lamp board installation side, 111-groove portion, 112-wire hole, 12-back side, 2-lamp board, 21-first plug-in terminal, 22-light-emitting device, 3-adapter board, 31-second plug-in terminal, 32-driving circuit module, 4-control board, 41-power supply module, 5-composite connecting wire, 6-power board. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of this application.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0027] “A and / or B” includes the following three combinations: A only, B only, and a combination of A and B.

[0028] The use of "suitable for" or "configured to" in this application is meant to be open and inclusive language, which does not exclude devices that are suitable for or configured to perform additional tasks or steps. In addition, the use of "based on" is meant to be open and inclusive, because the process, step, calculation or other action "based on" one or more stated conditions or values ​​can be based on additional conditions or values ​​beyond the stated values ​​in practice.

[0029] In this application, the word "exemplary" is used to mean "used as an example, illustration, or description." Any embodiment described in this application as "exemplary" is not necessarily to be construed as being preferred or advantageous over other embodiments. The following description is given to enable any technician in the field to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present application can be implemented without using these specific details. In other instances, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present application with unnecessary details. Therefore, the present application is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present application.

[0030] like Figures 1 to 3 As shown, on the one hand, an embodiment of the present application provides a backlight module, which includes a back panel 1, a light panel 2 and an adapter panel 3, which can reduce material and labor costs and avoid wiring confusion.

[0031] The back panel 1 has a light panel mounting side 11 and a back side 12 which are arranged opposite to each other, and the light panel mounting side 11 is provided with a groove portion 111. The number of the groove portions 111 can be determined according to actual needs, and can be one or more, which is not limited in the embodiment of the present application. The type of the back panel 1 can be determined according to actual needs, and can be, for example, a metal back panel 1, a plastic back panel 1, etc., which is not limited in the embodiment of the present application.

[0032] The lamp board 2 is arranged on the lamp board installation side 11 of the back plate 1, and a first plug terminal 21 is arranged on the side of the lamp board 2 facing the groove portion 111. The shape of the lamp board 2 can be determined according to actual needs, and can be a strip board, a square board, etc., which is not limited in the embodiment of the present application.

[0033] The adapter board 3 is disposed in the groove 111, and a second plug terminal 31 is disposed on the side of the adapter board 3 facing the lamp board 2. In this way, the lamp board 2 can be electrically connected through the first plug terminal 21 thereon and the second plug terminal 31 on the adapter board 3, and then communicate / power supply is connected with the control board through the adapter board 3.

[0034] Compared with the related art, the backlight module provided in the embodiment of the present application is provided with a groove portion 111 on the lamp board installation side 11 of the back panel 1, and an adapter board 3 is provided in the groove portion 111. The lamp board 2 can be conductively plugged in through the first plug terminal 21 thereon and the second plug terminal 31 on the adapter board 3, and then communicate / power supply is connected with the drive control board through the adapter board 3, so that the lamp board 2 and the adapter board 3 form a hidden installation structure with accurate front and back plug-in connection, and there is no need to set the light board 2 to connect wires and plug-in materials, which can reduce the required adapter wires and plug-in materials, reduce material costs and installation labor costs, and avoid wiring confusion caused by too many wires.

[0035] The number of light boards 2 can be determined according to actual needs, and can be one or more, and the embodiment of the present application does not limit this. When the backlight module is provided with multiple light boards 2, the multiple light boards 2 can be arranged in sequence at intervals, or can be arranged in sequence adjacent to each other, and the embodiment of the present application does not limit this; the distribution form of the multiple light boards 2 can also be determined according to actual needs, and the embodiment of the present application does not limit this.

[0036] In some embodiments, the above-mentioned multiple light boards 2 can be arranged in sequence along the extension direction of the groove portion 111, and the multiple light boards 2 arranged in sequence along the extension direction of the groove portion 111 intersect with the groove portion 111 respectively; in other words, the multiple light boards 2 arranged in sequence along the extension direction of the groove portion 111 are orthographically projected on the light board installation side 11 to form multiple orthographic projections of the light boards 2, and the orthographic projections of the multiple light boards 2 intersect with the groove portion 111 respectively. Correspondingly, the adapter board 3 extends along the extension direction of the groove portion 111 and is provided with multiple second plug-in terminals 31, and the multiple second plug-in terminals 31 on the adapter board 3 are arranged in sequence along the extension direction of the groove portion 111; here, the multiple light boards 2 arranged in sequence along the extension direction of the groove portion 111 and the multiple second plug-in terminals 31 on the adapter board 3 are equal in number and are conductively plugged in one-to-one, so that all the first plug-in terminals 21 and the multiple second plug-in terminals 31 on the multiple light boards 2 are equal in number and are conductively plugged in one-to-one.

[0037] like Figure 3 As shown, in some examples, the plurality of light boards 2 may also be arranged in sequence along the second direction, and the second direction is perpendicular to or inclined at an angle to the extension direction of the groove portion 111; thus, the plurality of light boards 2 are arranged in sequence along the extension direction of the groove portion 111 and the second direction, respectively, to form a multi-row and multi-column array distribution. The light board installation side 11 may be provided with a plurality of groove portions 111, which are arranged in sequence along the second direction at intervals, and each groove portion 111 is provided with an adapter plate 3.

[0038] like Figures 1 to 3As shown, in some embodiments, a light emitting device 22 may be provided on a side surface of the light board 2 away from the groove portion 111, and a driving circuit module 32 is provided on the adapter board 3, and the driving circuit module 32 is configured to drive the light emitting device 22 to emit light. In this way, the driving control function is transferred to the adapter board 3, and the adapter board 3 directly drives and controls the light emitting device 22 to improve the response speed. The type of the light emitting device 22 can be determined according to actual needs, and can be, for example, MicroLED, MiniLED, etc., which is not limited in the embodiments of the present application.

[0039] like Figures 4 to 5 As shown, in some embodiments, the backlight module may further include a control board 4 and a composite connection line 5, and the control board 4 supplies power to the adapter board 3 through the composite connection line 5, and communicates with the adapter board 3 through the composite connection line 5. Here, the composite connection line 5 is a connection line with both serial peripheral interface (SPI) control and power supply functions, which can realize the transmission of power supply signals and drive control signals, thereby reducing the number of wires required and saving material costs.

[0040] like Figure 4 As shown, in some examples, a power supply module 41 may also be provided on the control board 4. In other words, the control board 4 is an all-in-one board with both drive control and power supply functions, which can realize composite functions and reduce the number of boards required.

[0041] like Figure 5 As shown, in other examples, the backlight module may further include a power board 6, which is electrically connected to the control board 4 and the adapter board 3. In this way, the power board 6 can output a power signal to the control board 4, and then provide the required driving current to the light board 2 through the adapter board 3.

[0042] In some embodiments, one of the first plug terminal 21 and the second plug terminal 31 may be a socket, and the other may be a plug. In some examples, the first plug terminal 21 may be a socket, and the second plug terminal 31 may be a plug; in other examples, the first plug terminal 21 may be a plug, and the second plug terminal 31 may be a socket.

[0043] like Figures 1 to 5 As shown, in some embodiments, the first plug terminal 21 may include a plurality of first pins, which are respectively arranged on the light board 2 and are conductively connected to the circuit layer on the light board 2; the second plug terminal 31 may include a plurality of second pins, which are respectively arranged on the adapter board 3 and are conductively connected to the circuit layer on the adapter board 3. Here, the number of the first pins and the second pins may be determined according to actual needs, so as to meet the required signal transmission function, and the embodiments of the present application do not limit this.

[0044] In some embodiments, a wire hole 112 may be provided on the side wall of the groove portion 111, and the other end of the wire hole 112 opens to the back side 12 of the back plate 1. Here, a circuit board component mounting portion may be provided on the back side 12 of the back plate 1. When the backlight module further includes circuit board components such as the control board 4 and the power board 6, the above-mentioned circuit board components may be arranged in the circuit board component mounting portion, and then connected to the adapter board 3 through connecting wires such as the above-mentioned composite connecting wire 5; when making a connection, the connecting wires such as the above-mentioned composite connecting wire 5 may be arranged through the wire hole 112 to achieve a compact layout.

[0045] On the other hand, an embodiment of the present application provides a display device, which includes a backlight module provided by any of the above embodiments. The type of the display device can be determined according to actual needs, and can be, for example, a television, a monitor, etc., which is not limited by the embodiment of the present application. The display device provided by the embodiment of the present application has the above-mentioned backlight module, and the light board 2 and the adapter board 3 form a hidden installation structure that is accurately plugged in front and back. There is no need to set the light board 2 to connect wires and plug-in materials, which can reduce the required adapter wires and plug-in materials, reduce material costs and installation labor costs, and avoid wiring confusion caused by too many wires.

[0046] The backlight module and display device provided in the embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A backlight module, characterized in that: include: A back plate, comprising a light board installation side and a back side which are arranged opposite to each other, wherein the light board installation side is provided with a groove portion; A light board, arranged on the light board installation side of the back plate, and a first plug-in terminal is arranged on a side of the light board facing the groove portion; An adapter plate is arranged in the groove portion, and a second plug-in terminal is provided on a side of the adapter plate facing the lamp board, and the first plug-in terminal and the second plug-in terminal are conductively plugged.

2. The backlight module according to claim 1, characterized in that: The backlight module includes a plurality of light boards, which are arranged in sequence along the extension direction of the groove portion; the adapter board extends along the extension direction of the groove portion and is provided with a plurality of second plug-in terminals, and the plurality of second plug-in terminals on the adapter board are arranged in sequence at intervals along the extension direction of the groove portion, and the plurality of light boards and the plurality of second plug-in terminals which are arranged in sequence along the extension direction of the groove portion are equal in number and are conductively plugged in one-to-one.

3. The backlight module according to claim 2, characterized in that: The multiple light boards are also arranged in sequence along the second direction, and the second direction is perpendicular to or inclined at an angle to the extension direction of the groove portion; the light board installation side is provided with multiple groove portions, and the multiple groove portions are arranged in sequence along the second direction, and an adapter plate is provided in each groove portion.

4. The backlight module according to claim 1, characterized in that: A light emitting device is disposed on a surface of the light board on one side away from the groove portion, and a driving circuit module is disposed on the adapter board. The driving circuit module is configured to drive the light emitting device to emit light.

5. The backlight module according to claim 1, characterized in that: The backlight module further includes a control board and a composite connection line. The control board supplies power to the adapter board through the composite connection line, and communicates with the adapter board through the composite connection line.

6. The backlight module according to claim 5, characterized in that: The backlight module further comprises a power board, and the power board is electrically connected to the adapter board through the control board.

7. The backlight module according to claim 5, characterized in that: The control panel is also provided with a power supply module.

8. The backlight module according to claim 1, characterized in that: The first plug-in terminal includes a plurality of first pins, which are respectively arranged on the lamp board and conductively connected to the circuit layer on the lamp board; the second plug-in terminal includes a plurality of second pins, which are respectively arranged on the adapter board and conductively connected to the circuit layer on the adapter board.

9. The backlight module according to claim 1, characterized in that: A wire-passing hole is provided on the side wall of the groove portion, and the other end of the wire-passing hole opens to the back side of the back plate; a circuit board component mounting portion is provided on the back side of the back plate.

10. A display device, characterized in that: A backlight module comprising any one of claims 1 to 9.

Images