CN211344913U

CN211344913U - Substrate for packaging backlight source assembly

Info

Publication number: CN211344913U
Application number: CN201921785988.1U
Authority: CN
Inventors: 王梓帆
Original assignee: Shenzhen Dadi Electronic Co ltd
Current assignee: Shenzhen Dadi Electronic Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-25
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a backlight subassembly encapsulation is with base plate relates to backlight base plate field, which comprises a base plate, the both sides of base plate all are provided with the thermovent, and one side of base plate is located the rear position department of thermovent and is provided with termination, four side upper surfaces of base plate all are provided with the fixed orifices, and the top of base plate is provided with fixing device corresponding to the position department of fixed orifices, the inboard position department corresponding to the thermovent that corresponds to the baseplate of base plate is provided with the filter screen. Has the beneficial effects that; the utility model discloses a be provided with a plurality of fixing device for when the backlight subassembly is placed with the base plate is inboard, through the fixed plate among the rotatory fixing device, thereby can make the fixed plate have the restriction effect to the backlight upper surface, guarantee that the backlight can not break away from the base plate. The utility model discloses a be provided with termination, the spring can make and to have normal wrench movement book to move between the external electric wire of base plate and the base plate to this kind of book moves and can not have wearing and tearing to the electric wire.

Description

Substrate for packaging backlight source assembly

Technical Field

The utility model relates to a backlight encapsulation base plate field particularly, relates to a base plate for backlight subassembly encapsulation.

Background

The package substrate is a term for package protection of an internal carrier, namely a printed circuit board, and can provide the effects of electric connection, protection, support, heat dissipation, assembly and the like for a chip so as to realize the purposes of multi-pin, reduction of the volume of a packaged product, improvement of electric performance and heat dissipation, ultrahigh density or multi-chip modularization.

Through search, chinese patent network disclosed a substrate for packaging a backlight assembly (patent publication No. 208794341U), which can firmly clamp backlights with different thicknesses, and thus increase the application range of the substrate for packaging a backlight assembly, but the packaging substrates in the prior art are all simple in structure and single in function, the substrate for packaging a backlight is relatively large, the backlight can emit huge heat after long-term operation, which may affect a circuit board, and in addition, no protective measures are usually taken for connecting the conductive wires of the substrate and the backlight, so the external side electrical connection ends of the substrate are usually broken due to long service time, twisting and other factors, which may affect the use of the backlight.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a backlight subassembly encapsulation is with base plate possesses that the radiating effect is good, the wiring is firm, fixed stable advantage, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing that above-mentioned base plate radiating effect is good, the wiring is firm, fixed stable advantage, the utility model discloses a concrete technical scheme as follows:

a substrate for packaging a backlight source assembly comprises a substrate, wherein heat dissipation holes are formed in two sides of the substrate, a wiring device is arranged at the position, behind the heat dissipation holes, of one side of the substrate, fixing holes are formed in the upper surfaces of the four sides of the substrate, a fixing device is arranged at the position, corresponding to the fixing holes, of the upper side of the substrate, a filter screen is arranged at the position, corresponding to the heat dissipation holes, of the inner side of the substrate, a fan is arranged at the position, located on the lower surface, of the inner side of the substrate, and a buffering cushion is arranged at the position, located above the fan.

Further, termination includes the spring, the one end fixedly connected with solid fixed cylinder of spring, and the inside of spring is provided with the wire that runs through solid fixed cylinder, the other end fixedly connected with connecting cylinder of spring, the junction that the connecting cylinder is located the wire is provided with sealed the pad.

Further, a fixed cylinder is embedded on the surface of the substrate and is fixed with the spring through welding, the inner diameter of the sealing gasket is consistent with the outer diameter of the lead, and the spring is a component made of carbon steel.

Further, fixing device includes the dead lever, the upper end of dead lever is provided with the nut, and is provided with the fixed plate between fixed plate and the nut, the lower surface of fixed plate is provided with the rubber pad.

Furthermore, the surface of the fixed rod is provided with pipe threads, the fixed rod is fixedly connected with the screw cap through a connecting rod, one end of the fixed plate is rotatably connected with the connecting rod, and the fixed plate and the rubber pad are both members made of high-purity transparent polyurethane.

Furthermore, the heat dissipation port is in the shape of a shutter, and the heat dissipation port is a stainless steel component.

(III) advantageous effects

Compared with the prior art, the utility model provides a backlight subassembly encapsulation is with base plate possesses following beneficial effect:

(1) the utility model discloses a be provided with a plurality of fixing device for when the backlight subassembly is placed with the base plate is inboard, through the fixed plate among the rotatory fixing device, thereby can make the fixed plate have the restriction effect to the backlight upper surface, guarantee that the backlight can not break away from the base plate, because the setting of but height-adjusting's dead lever can make the fixed plate block the backlight of different thickness, consequently can also adapt to the backlight of different thickness.

(2) The utility model discloses a be provided with termination, the spring can make and to have normal wrench movement book between external electric wire of base plate and the base plate to this kind of book moves can not have wearing and tearing to the electric wire, can protect line head portion can not split, has increased the practicality of base plate, surveys in the base plate and is provided with the fan, can make the backlight structure from taking heat abstractor, has improved the radiating efficiency of backlight, has guaranteed backlight long-term work.

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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a substrate for packaging a backlight assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wiring device of a substrate for packaging a backlight assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fixing device for a substrate for packaging a backlight module according to an embodiment of the present invention.

In the figure:

1. a filter screen; 2. a substrate; 3. a heat dissipation port; 4. a wiring device; 41. a fixed cylinder; 42. a wire; 43. A spring; 44. a connecting cylinder; 45. a gasket; 5. a fixing hole; 6. a fixing device; 61. fixing the rod; 62. A rubber pad; 63. a fixing plate; 64. a nut; 7. a fan; 8. a cushion pad.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a backlight subassembly encapsulation is with base plate.

Referring to the drawings and the detailed description, as shown in fig. 1-3, a substrate for packaging a backlight assembly according to an embodiment of the present invention includes a substrate 2, heat dissipation ports 3 are disposed on both sides of the substrate 2, a wiring device 4 is disposed on one side of the substrate 2 at a position behind the heat dissipation ports 3, fixing holes 5 are disposed on the upper surfaces of the four sides of the substrate 2, a fixing device 6 is disposed above the substrate 2 at a position corresponding to the fixing holes 5, a filter screen 1 is disposed on the inner side of the substrate 2 at a position corresponding to the heat dissipation ports 3, a fan 7 is disposed on the inner side of the substrate 2 at a lower surface, a cushion 8 is disposed on the inner side of the fan 7 at an upper surface of the cushion 8, the backlight assembly is first disposed on the inner side of the substrate 2, and then the backlight assembly is clamped inside the substrate 2 by the fixing device 6, the rotation of fan 7 can drive the heat that backlight work produced and pass through thermovent 3 effluvium, can prolong the operating time of backlight and improve the life of backlight, and the setting of filter screen 1 is the inside of getting into the backlight in order to block dust thermovent 3 among the external environment, influences the backlight and uses.

In one embodiment, the wiring device 4 includes a spring 43, one end of the spring 43 is fixedly connected with the fixed cylinder 41, and a wire 42 penetrating through the fixed cylinder 41 is arranged inside the spring 43, the other end of the spring 43 is fixedly connected with a connecting cylinder 44, the connecting cylinder 44 is provided with a sealing gasket 45 at the joint of the wire 42, the wire 42 can be driven to bend when being folded, so that the spring 43 can limit the bending angle of the wire 42, and can timely enable the wire 42 to be restored when getting rid of external force, the spring 43 can also prevent the wire 42 from being damaged due to external extrusion, the sealing gasket 45 can fix the wire 42 inside the connecting cylinder 44, and direct friction at the terminal part is reduced.

In one embodiment, the fixing cylinder 41 is embedded in the surface of the substrate 2, the fixing cylinder 41 and the spring 43 are fixed by welding, the inner diameter of the sealing pad 45 is consistent with the outer diameter of the lead 42, the spring 43 is a member made of carbon steel, and the spring 43 made of carbon steel has the characteristics of wear resistance and good shape returning effect, and is suitable for use.

In one embodiment, the fixing device 6 includes a fixing rod 61, a nut 64 is disposed at an upper end of the fixing rod 61, a fixing plate 63 is disposed between the fixing plate 63 and the nut 64, a rubber pad 62 is disposed at a lower surface of the fixing plate 63, the fixing plate 63 is rotated to a position perpendicular to the surface of the backlight source, the fixing rod 61 is rotated by twisting the nut 64, so that the fixing plate 63 presses the surface of the backlight source, the rubber pad 62 is disposed to create a soft connection with the backlight source, and it is ensured that the fixing plate 63 does not damage the backlight source.

In one embodiment, the surface of the fixing rod 61 is provided with a pipe thread, the fixing rod 61 and the nut 64 are fixedly connected through a connecting rod, one end of the fixing plate 63 is rotatably connected with the connecting rod, the fixing plate 63 and the rubber pad 62 are both high-purity transparent polyurethane components, the fixing rod 61 and the fixing hole 5 are connected through the threaded engagement, the length of the fixing rod 61 can be guaranteed and controlled, further adaptation and backlight sources with different thicknesses can be achieved, the fixing plate 63 and the rubber pad 62 made of high-purity transparent polyurethane have excellent light transmission effects, and the backlight sources cannot be blocked.

In one embodiment, the heat dissipation opening 3 is a louver, and the heat dissipation opening 3 is a stainless steel member, and the heat dissipation opening 3 made of stainless steel has the effect of a heat dissipation block, thereby increasing the practicability of the substrate.

The working principle is as follows: the backlight source assembly is firstly placed on the upper surface of a cushion pad 8 on the inner side of a substrate 2, then the backlight source assembly is clamped on the inner side of the substrate 2 through a fixing device 6, the rotation of a fan 7 can drive heat generated by the work of the backlight source to be dissipated through a heat dissipating port 3, the working time of the backlight source can be prolonged, and the service life of the backlight source can be prolonged, a filter screen 1 is arranged to prevent dust heat dissipating ports 3 in the external environment from entering the inside of the backlight source to influence the use of the backlight source, a wire 42 can drive a spring 43 to bend when being folded, so that the spring 43 can limit the bending angle of the wire 42 and can timely restore the wire 42 when getting rid of external force, the spring 43 can also prevent the wire 42 from being damaged due to external extrusion, a sealing pad 45 can fix the wire 42 in a connecting cylinder 44, and direct, the spring 43 is a member made of carbon steel, the spring 43 made of carbon steel has the characteristics of wear resistance and good shape returning effect, and is suitable for use, the fixing plate 63 is rotated to the position vertical to the surface of the backlight source, the fixing rod 61 is twisted through the screw cap 64 to rotate, so that the fixing plate 63 presses the surface of the backlight source, the rubber pad 62 is arranged to be in soft connection with the backlight source, and the fixing plate 63 is guaranteed not to damage the backlight source.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a backlight subassembly is base plate for encapsulation, its characterized in that, includes base plate (2), the both sides of base plate (2) all are provided with thermovent (3), and one side of base plate (2) is located the rear position department of thermovent (3) and is provided with termination (4), four side upper surfaces of base plate (2) all are provided with fixed orifices (5), and the top of base plate (2) is provided with fixing device (6) corresponding to the position department of fixed orifices (5), the inboard position department that corresponds to thermovent (3) of base plate (2) is provided with filter screen (1), and the inside of base plate (2) is located the lower surface and is provided with fan (7), the inside top that is located fan (7) of base plate (2) is provided with blotter (8).

2. The substrate for packaging a backlight unit according to claim 1, wherein the wiring device (4) comprises a spring (43), one end of the spring (43) is fixedly connected with a fixed cylinder (41), a conducting wire (42) penetrating through the fixed cylinder (41) is arranged inside the spring (43), the other end of the spring (43) is fixedly connected with a connecting cylinder (44), and a sealing gasket (45) is arranged at the joint of the conducting wire (42) of the connecting cylinder (44).

3. The substrate for packaging a backlight unit according to claim 2, wherein the fixing cylinder (41) is mounted on the surface of the substrate (2), the fixing cylinder (41) and the spring (43) are fixed by welding, the inner diameter of the sealing pad (45) is equal to the outer diameter of the conductive wire (42), and the spring (43) is a member made of carbon steel.

4. The substrate for packaging a backlight unit according to claim 1, wherein the fixing means (6) comprises a fixing rod (61), a nut (64) is disposed at an upper end of the fixing rod (61), a fixing plate (63) is disposed between the fixing plate (63) and the nut (64), and a rubber pad (62) is disposed at a lower surface of the fixing plate (63).

5. The substrate for packaging a backlight unit according to claim 4, wherein the surface of the fixing rod (61) is provided with a pipe thread, the fixing rod (61) and the nut (64) are fixedly connected by a connecting rod, one end of the fixing plate (63) is rotatably connected to the connecting rod, and the fixing plate (63) and the rubber pad (62) are both made of high-purity transparent polyurethane.

6. The substrate for packaging a backlight unit according to claim 1, wherein the heat dissipation opening (3) has a louver shape, and the heat dissipation opening (3) is made of a stainless steel material.