CN217689695U - Multi-unit adjustable side-entering type backlight module - Google Patents
Multi-unit adjustable side-entering type backlight module Download PDFInfo
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- CN217689695U CN217689695U CN202220019439.9U CN202220019439U CN217689695U CN 217689695 U CN217689695 U CN 217689695U CN 202220019439 U CN202220019439 U CN 202220019439U CN 217689695 U CN217689695 U CN 217689695U
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Abstract
The utility model discloses a multi-unit adjustable side-in type backlight module, which consists of a plurality of light-emitting units, wherein each light-emitting unit comprises a PCB (printed circuit board) 1, a side-emitting LED (2) and a light guide plate 4; the LED packaging structure is characterized in that at least 1 side light-emitting LED (2) is attached to the PCB (1), the light-emitting surface of the side light-emitting LED (2) is parallel to the PCB (1), light guide plates (4) are placed in the space between the side light-emitting LED (2), and the side light-emitting LED (2) is connected with the PCB through solder paste (3). The LED lamp beads with side light emitting function are attached to the PCB, wherein N (N is larger than or equal to 1) lamp beads or a plurality of lamp beads are arranged in a group in the same direction in a mounting mode, the light guide plates of the small blocks are arranged among the lamp beads and combined into a small unit, the height of each light guide plate is equal to the height of each lamp bead, and therefore the purpose of uniform backlight of the local module and the whole module is achieved.
Description
Technical Field
The utility model relates to a backlight unit technical field, more specifically the utility model relates to a side income formula backlight unit can be regulated and control to polycell that says so.
Background
At present, liquid crystal televisions in the market at the present stage are divided into an edge-type liquid crystal television and a direct-type liquid crystal television, and the direct-type liquid crystal television is deeply popular with consumers due to the advantages of high quality and low price;
however, for the opposite side type liquid crystal module and the direct type liquid crystal module, an optical lens needs to be additionally arranged outside the LED in the LB to uniformly mix the light energy emitted by the LED, and the direct type backlight module is thick as a whole due to the thickness of the optical lens plus the light mixing distance (OD), which affects the appearance.
Therefore, how to realize local light control, improve display contrast, emit light laterally, have low axial luminance, and can realize the small OD module requirements is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a multi-cell adjustable side-entering backlight module; the LED lamp beads with side light emission are pasted on the PCB, wherein N (N is larger than or equal to 1) lamp beads or a plurality of lamp beads are pasted and arranged into a group in the same direction, small light guide plates are arranged among the lamp beads and combined into a small unit, the height of each light guide plate is the same as that of each lamp bead, and therefore the purpose of uniform backlight of local and integral modules is achieved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-unit adjustable side-in type backlight module comprises a plurality of light emitting units, wherein each light emitting unit comprises a PCB (printed circuit board), a side-emitting LED (light emitting diode) and a light guide plate;
the LED light source comprises at least 1 side light-emitting LED, wherein the side light-emitting LED is attached to the PCB, the light-emitting surface of the side light-emitting LED is parallel to the PCB, light guide plates are placed in the intervals of the side light-emitting LED, and the side light-emitting LED is connected with the PCB through solder paste.
Preferably, the side-emitting LEDs are placed at the edge of the PCB board with the light emitting faces facing in the same direction.
Through the technical scheme, compared with the prior art, the utility model discloses a multi-unit adjustable side-in type backlight module; the LED lamp beads with side light emission are pasted on the PCB, wherein N (N is larger than or equal to 1) lamp beads or a plurality of lamp beads are pasted and arranged into a group in the same direction, small light guide plates are arranged among the lamp beads and combined into a small unit, the height of each light guide plate is the same as that of each lamp bead, and therefore the purpose of uniform backlight of local and integral modules is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram provided by the present invention.
Fig. 2 is a schematic view of a top view structure provided by the present invention.
Fig. 3 is a schematic structural diagram of a backlight module composed of a plurality of units according to the present invention.
Wherein, 1 is PCB board, 2 is the luminous LED of side, 3 is the tin cream, and 4 is the light guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a multi-unit adjustable side-in type backlight module, which consists of a plurality of light-emitting units, wherein each light-emitting unit comprises a PCB (printed circuit board) 1, a side-emitting LED2 and a light guide plate 4;
at least 1 side-emitting LED2 is attached to the PCB1, the light emitting surface of the side-emitting LED2 is parallel to the PCB1, light guide plates 4 are placed in the space between the side-emitting LED2, and the side-emitting LED2 is connected with the PCB1 through solder paste 3.
In order to further optimize the technical scheme, the side-emitting LEDs 2 are arranged at the edge of the PCB board 1, and the light emitting surfaces face in the same direction.
In this scheme, a many units can regulate and control side income formula backlight unit includes from bottom to top sets gradually: the LED module comprises a PCB1 (comprising an FR4, an aluminum substrate, a copper substrate, a BT (BT) board, a CEM (ceramic electronic module) material and the like), a side-emitting LED2, and the LED2 is electrically conducted with the PCB1 through a solder paste 3. A light guide plate is placed in a rectangle formed by the LEDs.
Arranging a plurality of bonding pads on the PCB;
(1) The side-emitting LED is attached to the PCB by using solder paste through an SMT process, and the light emitting surface of the LED is parallel to the PCB;
(2) Placing N (N is more than or equal to 1) LEDs according to a mode of one side of a rectangle, wherein the light emitting surfaces of the side light emitting LEDs face in the same direction;
(3) And light guide plates (mainly made of acrylic, PS, PC, MS, borosilicate, aluminosilicate and the like) are arranged in the space between the side-emitting LEDs.
The above PCB and the mounted side-emitting LED, the light guide plate are combined into a unit, as shown in fig. 2. Several units are combined into a backlight module, as shown in fig. 3, and local light control is realized by an IC device control unit.
The application has the advantages that:
1. the LED device can provide uniform side light only, so that the problem of high brightness of the upper surface of the LED when the LED device is used as a backlight source is avoided;
2. unit regulation and control are realized;
3. optical lenses are not needed, and optical design is reduced; a small OD backlight module.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A multi-unit adjustable side-entry backlight module is characterized by comprising a plurality of light-emitting units, wherein each light-emitting unit comprises a PCB (printed circuit board) (1), a side-emitting LED (2) and a light guide plate (4);
the LED packaging structure is characterized in that at least 1 side light-emitting LED (2) is attached to the PCB (1), the light-emitting surface of the side light-emitting LED (2) is parallel to the PCB (1), light guide plates (4) are placed in the space between the side light-emitting LED (2), and the side light-emitting LED (2) is connected with the PCB through solder paste (3).
2. The backlight module of claim 1, wherein the side-emitting LEDs (2) are disposed at the edge of the PCB (1) and have light emitting surfaces facing in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019439.9U CN217689695U (en) | 2022-01-06 | 2022-01-06 | Multi-unit adjustable side-entering type backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220019439.9U CN217689695U (en) | 2022-01-06 | 2022-01-06 | Multi-unit adjustable side-entering type backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217689695U true CN217689695U (en) | 2022-10-28 |
Family
ID=83726309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220019439.9U Active CN217689695U (en) | 2022-01-06 | 2022-01-06 | Multi-unit adjustable side-entering type backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217689695U (en) |
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2022
- 2022-01-06 CN CN202220019439.9U patent/CN217689695U/en active Active
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