CN206877001U - A kind of metal frame and assembling structure of light guide plate, backlight and liquid crystal display die set - Google Patents

Abstract

The utility model discloses a kind of metal frame and assembling structure of light guide plate, backlight and liquid crystal display die set.The assembling structure includes metal frame and light guide plate, and the metal frame includes bottom surface and four sides；The metal frame and light guide plate form integral structure by Shooting Technique.The assembling structure can not only realize the narrow frame of backlight, and technique is simpler, and yields is also higher, and cost can also reduce, and gapless between the light guide plate and metal frame, therefore light utilization is also higher.

Description

A kind of metal frame and assembling structure of light guide plate, backlight and liquid crystal display die set

Technical field

The utility model is related to field of backlights, more particularly to a kind of metal frame and the assembling structure of light guide plate, backlight and Liquid crystal display die set.

Background technology

As liquid crystal display die set develops towards narrow frame direction, the design to current backing structure propose it is new will Ask, in the case of the narrow frame designed at present, glue frame and anti-dazzling screen are mainly subjected to narrow sideization and handled, glue frame width is 0.5mm, still, the shaping difficulty of narrow side glue frame are increased, and the requirement to mould processing, injection molding improves, and because glue frame is wide Spend it is narrow, it is very soft, assembling difficulty increase, be easily broken off.Therefore the design structure of change backlight is needed, is further realized narrower The backing structure of frame.

Utility model content

In order to solve above-mentioned the deficiencies in the prior art, the utility model provides the assembling knot of a kind of metal frame and light guide plate Structure, backlight and liquid crystal display die set.The assembling structure can not only realize the narrow frame of backlight, and technique is simpler Single, yields is also higher, and cost can also reduce, and gapless between the light guide plate and metal frame, therefore light utilization Also it is higher.

Technical problem to be solved in the utility model is achieved by the following technical programs：

The assembling structure of a kind of metal frame and light guide plate, including metal frame and light guide plate, the metal frame include bottom surface and Four sides；The metal frame and light guide plate form integral structure by Shooting Technique.

Further, formed with lamp bar groove in the source ends of the light guide plate.

Further, the edge of the exiting surface of the light guide plate is formed with raised platforms, to form film on its exiting surface Film trap.

Further, the metal frame is provided with reflecting layer towards the side of the light guide plate.

Further, the reflecting layer is the coat of metal.

Further, the metal frame is at least provided with some through holes on one side, if the light guide plate fill up it is described Dry through hole.

Further, it is provided with lattice point structure on the inside of the bottom surface of the metal frame.

Further, the lattice point structure is convex or concave structure.

A kind of backlight, including above-mentioned metal frame and the assembling structure of light guide plate.

A kind of liquid crystal display die set, including above-mentioned backlight.

The utility model has the advantages that：Metal frame and light guide plate are directly passed through Shooting Technique by the assembling structure Integral structure is formed, the contour structures of backlight are supported using light guide plate, prevent side light leakage using metal frame, not only The narrow frame of backlight can be realized, and technique is simpler, and yields is also higher, and cost can also reduce, and described Gapless between light guide plate and metal frame, therefore light utilization is also higher.

Brief description of the drawings

Fig. 1 is the front schematic view of metal frame provided by the utility model and the assembling structure of light guide plate；

Fig. 2 is the A-A sectional views of the assembling structure of the metal frame and light guide plate shown in Fig. 1；

Fig. 3 is the side schematic view of metal frame provided by the utility model and the assembling structure of light guide plate；

Fig. 4 is the lattice point structure schematic diagram of the metal frame of metal frame provided by the utility model and the assembling structure of light guide plate One；

Fig. 5 is the lattice point structure schematic diagram of the metal frame of metal frame provided by the utility model and the assembling structure of light guide plate Two；

Fig. 6 is the schematic diagram of backlight provided by the utility model.

Embodiment

The utility model is described in detail with reference to the accompanying drawings and examples.

Embodiment one

As illustrated in fig. 1 and 2, a kind of metal frame and the assembling structure of light guide plate, including metal frame 1 and light guide plate 2, the gold Category frame 1 includes bottom surface and four sides；The metal frame 1 and light guide plate 2 form integral structure by Shooting Technique.

The main function of glue frame in existing backlight has two：First, the monnolithic case structure of support backlight；Second, The light of light guide plate side is reflected back, prevents backlight side light leakage.

Metal frame 1 and light guide plate 2 are directly formed integral structure by the assembling structure by Shooting Technique, are led using described The material of tabula rasa 2 and existing glue frame is same or like（It is all PMMA or PC materials）Characteristic, substituted with the light guide plate 2 existing Some glue framves are played a supporting role to the monnolithic case structure of backlight, and using and the light guide plate 2 four sides The metal frame 1 for forming integral structure to carry out light reflection to the side of the light guide plate 2, prevents light from the light guide plate Project and cause the side light leakage of backlight in 2 side.The assembling structure can not only realize the narrow frame of backlight, and Technique is simpler, and yields is also higher, and cost can also reduce, and gapless between the light guide plate 2 and metal frame 1, because This light utilization is also higher.

In the injection molding process of the light guide plate 2, formed with lamp bar groove 21 in the source ends of the light guide plate 2；Institute The edge of the exiting surface of light guide plate 2 is stated formed with raised platforms 22, to form diaphragm groove 23 on its exiting surface.

The bottom surface of the metal frame 1 and four sides are provided with reflecting layer towards the side of the light guide plate 2（It is not shown）, The reflecting layer is preferably the coat of metal, such as silvering, aluminium coat etc., for strengthening light of the metal frame 1 to light guide plate 2 Reflex, prevent side light leakage.

As shown in figure 3, the metal frame 1 is at least provided with some through holes on one side, in the injection of the light guide plate 2 In forming process, the light guide plate 2 fills up some through holes, for strengthening the screens between the metal frame 1 and light guide plate 2 Fixed effect, and preferably, some through holes are located at the junction between the bottom surface and four sides of the metal frame 1.

As shown in Figures 4 and 5, lattice point structure 12 is provided with the inside of the bottom surface of the metal frame 1, the lattice point structure 12 is Convex or concave structure, after the injection molding of the light guide plate 2, the light guide plate 2 is filled into the lattice point structure 12, with The light directing site of the light guide plate 2 is formed, the light guide plate 2 saves processing step without subsequently making the light directing site.

The manufacturing process of its lattice point structure 12 is as follows：

1st, the lattice point structure 12 of evagination：First made on the inner surface of the metal frame 1 by way of being plated or coated with The reflecting layer, then will be anti-in the non-dot area on the inside bottom surface of the metal frame 1 by corrosion or other techniques The thickness for penetrating layer is thinned, while retains the reflector thickness in dot area, to form the lattice point structure 12 of evagination；Described in injection During light guide plate 2, when light guide panel material is filled into the inside of the metal frame 1, you can in corresponding to being formed on the light guide plate 2 Recessed light directing site；The arrangement of lattice point structure 12 can design according to the actual requirements, and its section is preferably arc or square The other shapes such as shape.

2nd, the lattice point structure 12 of indent：First hit or corrode by laser, mould on the inside bottom surface of the metal frame 1 Etc. the lattice point structure 12 that mode produces indent, then on the inner surface of the metal frame 1 by way of being plated or coated with Make the reflecting layer；When being molded the light guide plate 2, when light guide panel material is filled into the inside of the metal frame 1, you can in institute State the light directing site of evagination corresponding to being formed on light guide plate 2；The arrangement of lattice point structure 12 can design according to the actual requirements, its section Face is preferably the other shapes such as arc or rectangle.

For the lattice point structure 12 of evagination, after the reflecting layer can also be made, on the inside bottom surface of the metal frame 1 One layer of silver oil is republished, to form the lattice point structure 12 of evagination, as long as evagination can be formed on the inside bottom surface of the metal frame 1 Lattice point structure 12.

Embodiment two

As shown in fig. 6, a kind of backlight, including metal frame 1 and the assembling structure of light guide plate 2 described in embodiment one.

Lamp bar 3 is provided with the lamp bar groove 21 of the light guide plate 2, the lamp bar 3 includes FPC and is arranged on the FPC Some LED, the FPC passes through on sticking double faced adhesive tape to the front of the light guide plate 2；It is provided with least in the diaphragm groove 23 One optical film 4, in the present embodiment, diffusion barrier, lower bright enhancement film and upper bright enhancement film, the expansion are disposed with the diaphragm groove 23 Dissipate after film extends toward non-visible area and be pasted with black glue 5, certainly, the type and quantity of the optical film 4 should regard real needs and It is fixed, should not be as limit；Anti-dazzling screen 6 is pasted with the protrusion platform, the anti-dazzling screen 6 is preferably two-sided to be respectively provided with viscosity, It is black backwards to the one side of the lamp bar 3, and the one side towards the lamp bar 3 can be black, white or other colors.

Embodiment three

A kind of liquid crystal display die set, including the backlight described in embodiment two.

Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously Therefore the limitation to the utility model patent scope can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute The technical scheme of acquisition, it all should fall within the scope of protection of the utility model.

Claims (8)

1. the assembling structure of a kind of metal frame and light guide plate, including metal frame and the light guide plate being arranged in the metal frame, institute Stating metal frame includes bottom surface and four sides；Characterized in that, the metal frame and light guide plate form one by Shooting Technique Change structure, formed with lamp bar groove in the source ends of the light guide plate；The edge of the exiting surface of the light guide plate is flat formed with projection Platform, to form diaphragm groove on its exiting surface.

2. the assembling structure of metal frame according to claim 1 and light guide plate, it is characterised in that the metal frame is towards institute The side for stating light guide plate is provided with reflecting layer.

3. the assembling structure of metal frame according to claim 2 and light guide plate, it is characterised in that the reflecting layer is metal Coating.

4. the assembling structure of metal frame according to claim 1 and light guide plate, it is characterised in that the metal frame is at least Some through holes are provided with one side, the light guide plate fills up some through holes.

5. the assembling structure of metal frame according to claim 1 and light guide plate, it is characterised in that the bottom surface of the metal frame Inner side be provided with lattice point structure.

6. the assembling structure of metal frame according to claim 5 and light guide plate, it is characterised in that the lattice point structure is outer Convex or concave inward structure.

7. a kind of backlight, it is characterised in that including the assembling knot of any described metal frame and light guide plate in claim 1-6 Structure.

8. a kind of liquid crystal display die set, it is characterised in that including any described backlight in claim 7.