CN217444023U - Novel directly-down backlight module and display equipment - Google Patents
Novel directly-down backlight module and display equipment Download PDFInfo
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- CN217444023U CN217444023U CN202221440511.1U CN202221440511U CN217444023U CN 217444023 U CN217444023 U CN 217444023U CN 202221440511 U CN202221440511 U CN 202221440511U CN 217444023 U CN217444023 U CN 217444023U
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Abstract
The utility model provides a novel direct-downward backlight module and display equipment, in particular to the technical field of backlight modules, which comprises a back plate and a PCB group arranged on the back plate; the PCB group comprises two finger boards PCBs symmetrically arranged in a fish fork shape, and each finger board PCB comprises a plate-shaped part and a plurality of strip-shaped parts fixed on one side of the plate-shaped part; a plurality of lamp beads are uniformly distributed on one side of the plate-shaped part, which is far away from the back plate, and a plurality of lamp beads are distributed on one side of the strip-shaped part, which is far away from the back plate, along the length direction of the strip-shaped part; be equipped with a mounting hole in the plate-shaped portion, install the connector in the mounting hole, arbitrary one in the PCB group, two in the finger board PCB the plate-shaped portion hugs closely together, the utility model provides a required connector quantity of traditional lamp strip, keysets quantity and connect the winding displacement quantity great among the prior art, lead to the cost to rise, the lower problem of backlight unit's assembly efficiency simultaneously.
Description
Technical Field
The utility model belongs to the technical field of backlight unit, specifically relate to a novel directly down backlight unit and display device.
Background
The luminous source of the television backlight module is an LED, and the type of the whole television backlight module is divided into a direct type and a side type; the backlight module of the direct type television comprises a back plate, a light bar, a connector, a converter, a connecting flat cable and the like.
In the prior art, as shown in fig. 1, a plurality of lamp beads are generally distributed on a traditional lamp strip along the length direction of the traditional lamp strip, the traditional lamp strip is generally distributed on a back plate in a rectangular array, each lamp strip is connected with a connector, and the connector is connected with a patch panel and a connection flat cable, so that the lamp strip is ensured to be normally lighted.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel directly down backlight unit and display device for it is great to solve required connector quantity of traditional lamp strip among the prior art, keysets quantity and connect the winding displacement quantity, leads to the cost to rise, the lower technical problem of backlight unit's assembly efficiency simultaneously.
On the one hand, this utility model provides following technical scheme, a novel directly down backlight unit, include: the PCB assembly comprises a back plate and a PCB assembly mounted on the back plate;
the PCB group is provided with a plurality of PCB groups, the plurality of PCB group rectangular arrays are distributed on the back plate, each PCB group comprises two finger board PCBs which are symmetrically arranged in a fish fork shape, each finger board PCB comprises a plate-shaped part and a plurality of strip-shaped parts fixed on one side of the plate-shaped part, the number of the strip-shaped parts is at least six, and the plate-shaped parts and the strip-shaped parts are integrally formed;
a plurality of lamp beads are uniformly distributed on one side of the plate-shaped part, which is far away from the back plate, and a plurality of lamp beads are distributed on one side of the strip-shaped part, which is far away from the back plate, along the length direction of the strip-shaped part;
the plate-shaped parts are provided with mounting holes, connectors are mounted in the mounting holes, and in any one PCB group, the plate-shaped parts in the two finger boards are tightly attached together.
Compared with the prior art, the beneficial effects of the application are that: through with a plurality of lamp pearl evenly distributed in finger board PCB, compare in traditional lamp strip, the lamp pearl on the finger board PCB in this application is more, and every finger board PCB only needs a connector, on the backplate of equidimension, required finger board PCB's quantity is less than the quantity of required traditional lamp strip far away, consequently contrast traditional lamp strip this application can reduce the connector quantity, the keysets quantity, material cost has been reduced and backlight unit's assembly efficiency has been improved, plate-shaped portion in the two finger board PCBs is hugged closely together simultaneously, distance between the connector on the two finger board PCBs is little promptly, reducible connection winding displacement quantity from this, and therefore, the cost is reduced, can shorten the time of taking a sample of about a week.
Preferably, the back plate is connected with the PCB group through screws, and the finger board PCB is provided with targeting holes corresponding to the screws.
Preferably, the plurality of target holes are uniformly distributed on the plate-shaped portion and the strip-shaped portion.
Preferably, quick-drying glue is coated between the back plate and the PCB group.
Preferably, the lamp beads on the plate-shaped part are arranged in parallel and level with the lamp beads on the strip-shaped part.
Preferably, in the finger board PCB, an open slot is left between two adjacent strip portions.
Preferably, the strip-shaped portion and the plate-shaped portion are provided with rounded corners at angular points.
On the other hand, this utility model provides following technical scheme: a display device comprises the novel direct-downward backlight module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a plan view of a backlight module in the prior art;
fig. 2 is a plan view of a novel direct backlight module according to an embodiment of the present invention;
fig. 3 is a plan view of a finger board PCB in the novel direct-down backlight module provided by the embodiment of the present invention.
Description of reference numerals:
| |
10 | |
20 |
| Finger board PCB | 21 | Plate- |
22 |
| Bar- |
23 | |
24 |
| Connector with a |
25 | Screw with a |
26 |
| |
30 |
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Example one
In a first embodiment of the present invention, as shown in fig. 2, a novel direct backlight module includes: a back plate 10 and a PCB group 20 mounted on the back plate 10.
As shown in fig. 3, the PCB assembly 20 is provided with a plurality of PCB assemblies 20, the plurality of PCB assemblies 20 are distributed on the back plate 10 in a rectangular array, the PCB assembly 20 includes two finger PCBs 21 symmetrically arranged in a fish fork shape, the finger PCB21 includes a plate portion 22 and a plurality of bar portions 23 fixed on one side of the plate portion 22, the bar portions 23 are at least six, the plate portion 22 and the bar portions 23 are integrally formed, the fish fork-shaped finger PCB21 formed by the bar portions 23 and the plate portion 22 can bear more lamp beads 24, that is, one finger PCB21 can replace a plurality of conventional light bars 30, thereby reducing the usage amount of the connector 25, and meanwhile, since the light bars 30 or the finger PCB21 are connected with a patch panel before being lit, and connected with a flat cable (FFC wire) through the patch panel, the normal supply of power is ensured, and in this embodiment, each light bar 30 needs a connector 25 and an adapter plate, each finger board PCB21 needs a connector 25 and an adapter plate, but the number of the lamp beads 24 carried on one finger board PCB21 is much larger than that of the lamp beads 24 carried on one light bar 30, so that on the back plate 10 with the same size, the number of the required finger boards PCB21 is much smaller than that of the light bars 30, correspondingly, the number of the connectors 25 and the adapter plates can be correspondingly reduced, the processing cost is greatly reduced, and meanwhile, the assembling efficiency of the backlight module is also improved;
it should be noted that, the plate-shaped portion 22 and the strip-shaped portion 23 are integrally formed, and in the manufacturing process of the finger board PCB21, the structure of the finger board PCB21 is relatively simple, so that a mold of the finger board PCB21 can be easily designed, and the production efficiency of the finger board PCB21 can be improved.
Plate-shaped portion 22 keeps away from evenly distributed has a plurality of lamp pearls 24 on one side of backplate 10, bar-shaped portion 23 keeps away from one side of backplate 10 is followed the length direction of bar-shaped portion 23 distributes has a plurality of lamp pearls 24, it is worth explaining, in lamp pearl 24 in plate-shaped portion 22 and bar-shaped portion 23, every three adjacent lamp pearl 24 is connected in same circuit, in connecting the winding displacement promptly, every three adjacent lamp pearl 24 is connected same root and is connected the winding displacement, and the connection winding displacement of lamp pearl 24 on the same finger board PCB21 is finally connected with adapter plate direct current source to reach the purpose of subregion control, more subregion are lighted control and are shaded, strengthen display panel's high contrast and colour gamut.
The plate-shaped part 22 is provided with a mounting hole, the connector 25 is mounted in the mounting hole, in any one of the PCB sets 20, the plate-shaped parts 22 in the two finger boards PCB21 are tightly attached together, the plate-shaped parts 22 in the two finger boards PCB21 are tightly attached together, namely, the distance between the connectors 25 on the two finger boards PCB21 is small, so that the connecting flat cable consumption can be reduced, the cost is reduced, the proofing time of about a week can be shortened, meanwhile, the connecting flat cable length is short, the self linear resistance is small, and the brightness of the lamp bead 24 can be ensured to be bright.
In this embodiment, the back plate 10 is connected to the PCB assembly 20 through screws 26, the finger PCB21 is provided with targeting holes corresponding to the screws 26, and the PCB assembly 20 is fixedly connected to the back plate 10 through the screws 26, so as to avoid the PCB assembly 20 from shaking.
In this embodiment, the targeting hole is provided with a plurality of, a plurality of targeting hole evenly distributed is in plate-shaped portion 22 and on the bar-shaped portion 23, concrete, every a targeting hole has all been seted up on the bar-shaped portion 23, except the targeting hole on the bar-shaped portion 23, all the other the targeting hole evenly sets up on the plate-shaped portion 22, specifically, because bar-shaped portion 23 self is rectangular form structure, will set up the targeting hole on bar-shaped portion 23 specifically set up on one side that plate-shaped portion 22 was kept away from to bar-shaped portion 23, can guarantee finger board PCB21 and backplate 10 laminating setting.
In this embodiment, a quick-drying adhesive is coated between the back plate 10 and the PCB assembly 20, and the quick-drying adhesive can adhere the back plate 10 and the PCB assembly 20 together, so as to ensure that the back plate 10 and the PCB assembly 20 can be tightly attached to each other.
In this embodiment, the lamp beads 24 on the plate-shaped portion 22 and the lamp beads 24 on the strip-shaped portion 23 are arranged in a flush manner, so that the light emitting of the finger board PCB21 is ensured to be more uniform.
In this embodiment, in the finger PCB21, an open slot is left between two adjacent strip portions 23, and the provision of the open slot can save the material cost of the finger PCB21 on the one hand, and on the other hand, after the finger PCB21 is produced, the finger PCB21 can be conveniently taken out of the mold.
In this embodiment, the fillet is arranged at the corner position of each of the strip portion 23 and the plate portion 22, so that the edges of the strip portion 23 and the plate portion 22 are smooth, and the situation of cutting when the worker takes the finger board PCB21 is avoided.
To sum up, the utility model discloses novel backlight unit under directly among the above-mentioned embodiment, through with a plurality of lamp pearl 24 evenly distributed in finger board PCB21, compare in traditional lamp strip 30, lamp pearl on the finger board PCB21 in this application is more, and every finger board PCB21 only needs a connector 25, on the backplate 10 of equidimension, the quantity of required finger board PCB21 is less than the quantity of required traditional lamp strip 30 far away, consequently, contrast traditional lamp strip 30 this application and can reduce the connector 25 quantity, the keysets quantity, material cost is reduced and backlight unit's assembly efficiency has been improved, plate-shaped portion 22 in the two finger board PCB21 hugs closely together simultaneously, distance between the connector 25 on two finger board PCB21 is little promptly, reducible connection winding displacement quantity from this, and cost is reduced, can shorten the time of taking a sample about a week.
Example two
In a second embodiment of the present invention, a display device includes the novel direct backlight module provided in the first embodiment.
In this embodiment, the display device includes, but is not limited to, any electronic device using the novel direct backlight module provided in the first embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a novel directly down backlight unit which characterized in that includes: the PCB comprises a back plate and a PCB group installed on the back plate;
the PCB group is provided with a plurality of PCB groups, the PCB groups are distributed on the back plate in a rectangular array mode, each PCB group comprises two finger board PCBs symmetrically arranged in a fish fork shape, each finger board PCB comprises a plate-shaped portion and a plurality of strip-shaped portions fixed on one side of the plate-shaped portion, the number of the strip-shaped portions is at least six, and the plate-shaped portions and the strip-shaped portions are integrally formed;
a plurality of lamp beads are uniformly distributed on one side of the plate-shaped part, which is far away from the back plate, and a plurality of lamp beads are distributed on one side of the strip-shaped part, which is far away from the back plate, along the length direction of the strip-shaped part;
the plate-shaped parts are provided with mounting holes, connectors are mounted in the mounting holes, and in any one PCB group, the plate-shaped parts in the two finger boards are tightly attached together.
2. The novel direct backlight module as claimed in claim 1, wherein the back plate is connected to the PCB assembly via screws, and the finger PCB is provided with target holes corresponding to the screws.
3. The novel direct backlight module as claimed in claim 2, wherein the target holes are provided in a plurality, and the plurality of target holes are uniformly distributed on the plate-shaped portion and the strip-shaped portion.
4. The novel direct backlight module as claimed in claim 1, wherein a quick-drying adhesive is applied between the back plate and the PCB assembly.
5. The novel direct backlight module as claimed in claim 1, wherein the lamp beads on the plate-shaped portion are flush with the lamp beads on the bar-shaped portion.
6. The novel direct backlight module as claimed in claim 1, wherein an opening groove is formed between two adjacent strips of the finger PCB.
7. The novel direct backlight module as claimed in claim 1, wherein the bar-shaped portions and the plate-shaped portions are provided with rounded corners at the positions of the corners.
8. A display device, comprising the novel direct backlight module as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221440511.1U CN217444023U (en) | 2022-06-09 | 2022-06-09 | Novel directly-down backlight module and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221440511.1U CN217444023U (en) | 2022-06-09 | 2022-06-09 | Novel directly-down backlight module and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217444023U true CN217444023U (en) | 2022-09-16 |
Family
ID=83224675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221440511.1U Active CN217444023U (en) | 2022-06-09 | 2022-06-09 | Novel directly-down backlight module and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217444023U (en) |
-
2022
- 2022-06-09 CN CN202221440511.1U patent/CN217444023U/en active Active
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