CN211698518U - Vehicle-mounted backlight frame and vehicle-mounted backlight - Google Patents

Abstract

The utility model discloses an on-vehicle backlight frame and on-vehicle backlight, include: a first frame; the first frame is buckled on the second frame; and a boss fixed to the second frame; wherein, be provided with the recess with boss assorted on the first frame. The utility model discloses well curb plate and second frame all are provided with the boss, be provided with on the first frame with boss assorted recess, not only increase first frame and second frame and be used for spacing area of contact, still increased the part degree of freedom location to reach the complete positioning, boss fixed strength is strong, makes the frame be difficult to the fracture or drop, anti external force ability greatly increased, increase of service life.

Description

Vehicle-mounted backlight frame and vehicle-mounted backlight

Technical Field

The utility model relates to a backlight technical field especially indicates a vehicle-mounted backlight frame and vehicle-mounted backlight.

Background

The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module.

In recent years, the global automobile sales is steadily increasing, the market demand of the vehicle-mounted display is directly driven, along with the development of science and technology and the improvement of customer aesthetics, the size requirement of a car factory on the screen of the vehicle-mounted display is higher and higher, meanwhile, the thickness size requirement is thinner, and the frame requirement of the vehicle-mounted backlight source is narrower.

As shown in fig. 1 and 2, the conventional vehicle-mounted backlight center bezel 10 generally adopts a manner that the circular hole 20 and the rubber bezel are integrally formed and are embedded and fixed with each other, and in the use of a conventional circular hole structure in a medium-small size, the size diameter of the circular hole is only 1mm, and the conventional vehicle-mounted backlight center bezel can be used under the condition that the requirement on bearing strength is not high, but in the structures of a large size and above 12 inches, the conventional vehicle-mounted backlight center bezel can be used by independently adopting a fixing structure manner that the circular hole of the center bezel and the rubber bezel are integrally formed and are embedded with each other, so that the phenomenon that the rubber bezel and the center bezel are embedded and.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide a vehicle-mounted backlight frame and vehicle-mounted backlight, solved vehicle-mounted backlight frame when the size is great, fixed strength is weak, the frame fracture appears or the problem that the frame drops is glued.

An in-vehicle backlight frame comprising:

a first frame;

the first frame is buckled on the second frame; and

a boss fixed to the second frame;

and the first frame is provided with a groove matched with the boss.

Furthermore, the first frame is provided with a positioning piece, and the upper surface of the second frame is provided with a through hole for embedding the positioning piece.

Further, the cross section of the boss is circular, rectangular or triangular.

Further, the through hole is provided at a position of the second frame edge.

Further, the first frame is a rubber frame, the second frame is an iron frame, and the first frame and the second frame are connected in an integrated forming mode.

An in-vehicle backlight, comprising:

the above-described vehicle-mounted backlight frame;

the back plate and the vehicle-mounted backlight source frame form an accommodating cavity; and

an optical assembly disposed within the receiving cavity.

Further, optical assembly includes from down upwards in proper order the stack establish accommodate the reflection film, light guide plate, diffusion barrier, the membrane that adds lustre to down of intracavity and go up the membrane that adds lustre to.

Adopt above-mentioned technical scheme, the utility model provides a pair of vehicle-mounted backlight frame and vehicle-mounted backlight's beneficial effect lies in: curb plate and second frame all are provided with the boss, be provided with on the first frame with boss assorted recess, not only increase first frame and second frame and be used for spacing area of contact, still increased the part degree of freedom location to reach location completely, boss fixed strength is strong, makes the frame be difficult to the fracture or drops, anti external force ability greatly increased, increase of service life, simultaneously, on-vehicle backlight frame is direct to be connected with the backplate, improves the packaging efficiency greatly.

Drawings

FIG. 1 is a schematic structural diagram of a conventional backlight;

FIG. 2 is a partial enlarged view of a in a conventional backlight;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a partial enlarged view of the section b of the present invention;

fig. 5 is a schematic structural diagram of a first frame in the present invention;

fig. 6 is a partial enlarged view of c in the present invention;

fig. 7 is an exploded view of the present invention.

In the figure, 10-a middle iron frame, 20-a circular hole, 30-a first frame, 31-a groove, 32-a positioning piece, 40-a second frame, 41-a boss, 42-a through hole, 51-a reflecting film, 52-a light guide plate, 53-a diffusion film, 54-a lower brightness enhancement film, 55-an upper brightness enhancement film and 56-a back 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 efforts belong to the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

FIG. 3 is a schematic structural view of the present invention; FIG. 4 is a partial enlarged view of the section b of the present invention; fig. 5 is a schematic structural diagram of the first frame 30 according to the present invention; fig. 6 is a partial enlarged view of c in the present invention; referring to fig. 3 to 6, in an embodiment of the present invention, a vehicle-mounted backlight frame includes: a first frame 30; a second frame 40, the first frame 30 is buckled on the second frame 40; and the boss 41 is fixed on the second frame 40, the boss 41 can be arranged on the upper surface and the side wall of the second frame 40, and the boss 41 can be independently fixed on the upper surface of the second frame 40 or the side wall of the second frame 40, or can be simultaneously fixed on the upper surface of the second frame 40 and the side wall of the second frame 40. Preferably, the bosses 41 are fixed to both the upper surface of the second frame 40 and the side walls of the second frame 40, so that the first frame 30 and the second frame 40 are more stably connected. Wherein, be provided with on the first frame 30 with boss 41 assorted recess 31, in this embodiment, for the convenience of assembly, improve production efficiency, boss 41 cross section is semi-circular, and certainly in the actual production, the technical staff can freely alternate the shape of boss 41 cross section according to actual demand, such as rectangle, triangle-shaped etc. corresponding recess 31's cross section also can be other shapes, such as rectangle, triangle-shaped etc.. Curb plate and second frame 40 all are provided with boss 41, not only increase first frame 30 and second frame 40 and be used for spacing area of contact, have still increased the part degree of freedom location to reach the location completely, fixed strength is strong, makes the frame be difficult to the fracture or drops.

Specifically, the embodiment of the present application further discloses that the through holes 42 are disposed at the edge of the second frame 40, so that the bezel of the backlight can achieve a narrower effect.

Specifically, this application embodiment has still disclosed that first frame 30 is for gluing the frame, and second frame 40 is the chase, and first frame 30 is connected with second frame 40 integrated into one piece, at first with second frame 40 stamping forming on hardware mould, then put into first frame 30 injection mold with second frame 40, fuse into an organic whole, use boss 41 and recess 31 matched with structure, can prevent that traditional second frame 40 from merging into first frame 30 area and degree of depth too little, lead to the fracture or break away from. First frame 30 uses gluey frame, and second frame 40 adopts the chase, can make first frame 30 and second frame 40 combine more firmly, can not separate, and anti external force ability greatly increased, increase of service life.

Specifically, the embodiment of the present application further discloses that the first frame 30 is provided with the positioning member 32, and the upper surface of the second frame 40 is provided with a through hole 42 for the positioning member 32 to be inserted into.

Fig. 7 is an exploded schematic view of the present invention, as shown in fig. 7, this embodiment further provides an on-vehicle backlight, including: the structure of the vehicle-mounted backlight frame is the same as that of the embodiment, and the description is omitted; the back plate 56 and the vehicle-mounted backlight frame form an accommodating cavity; and the optical assembly is arranged in the accommodating cavity.

Specifically, the optical assembly includes a reflection film 51, a light guide plate 52, a diffusion film 53, a lower brightness enhancement film 54, and an upper brightness enhancement film 55 stacked in the accommodating chamber in this order from bottom to top. During the equipment, install reflectance coating 51, light guide plate 52, diffusion barrier 53, lower membrane 54 that adds lustre to, last membrane 55 that adds lustre to in proper order and hold the intracavity, on-vehicle backlight frame is direct to be connected with backplate 56, improves the packaging efficiency.

The utility model provides a vehicle-mounted backlight frame and vehicle-mounted backlight can be applied to on-vehicle DVD navigation, industrial control medical equipment, digital photo holder frame, P-DVD, multiple backlights such as GPS navigator and glass assemble into the structure of module. 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 (7)

1. An in-vehicle backlight frame, comprising:

a first frame;

the first frame is buckled on the second frame; and

a boss fixed to the second frame;

and the first frame is provided with a groove matched with the boss.

2. The vehicle-mounted backlight frame according to claim 1, characterized in that: the first frame is provided with a positioning piece, and the upper surface of the second frame is provided with a through hole for embedding the positioning piece.

3. The vehicle-mounted backlight frame according to claim 1, characterized in that: the cross section of the boss is circular, rectangular or triangular.

4. The vehicle-mounted backlight frame according to claim 2, characterized in that: the through hole is arranged at the position of the edge of the second frame.

5. The vehicle-mounted backlight frame according to claim 1, characterized in that: the first frame is a rubber frame, the second frame is an iron frame, and the first frame and the second frame are integrally connected.

6. An in-vehicle backlight, comprising:

the vehicle-mounted backlight frame of any one of claims 1 to 5;

the back plate and the vehicle-mounted backlight source frame form an accommodating cavity; and

an optical assembly disposed within the receiving cavity.

7. The vehicular backlight according to claim 6, wherein: optical assembly includes from up stacking in proper order down and establishes reflection film, light guide plate, diffusion barrier, the membrane of adding lustre to down and the last membrane of adding lustre to that holds the intracavity.

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