TWM553820U - Reflective film module and backlight module with the same - Google Patents

Abstract

The present invention provides a reflective film module, comprising: a reflective film for reflecting light at a bottom of a backlight module; and a flexible film disposed on a plane of the reflective film, and The outwardly extending portion includes a first adhesive portion, an extended portion, and a second adhesive portion, wherein the first adhesive portion is adhered to the reflective film, and one surface of the extended portion is adhered to the backlight mold The second adhesive portion is attached to the upper surface of the backlight module, and the flexible film further comprises a non-adhesive substrate, and the non-adhesive substrate is disposed on the extension portion. On one side; an upper release film disposed on the reflective film and the flexible film; and a release film disposed under the reflective film. The present invention further provides a backlight module having the reflective film module.

Description

Reflective film module and backlight module having the same

The present invention relates to a reflective diaphragm module, and more particularly to a reflective diaphragm module capable of forming a frameless backlight module.

As an important component in the liquid crystal display device, the backlight module has become a trend. The narrow border means that the screen area that can be seen under the same size screen is larger and the visual effect is better. In general, the existing backlight module includes: a light guide plate, a plastic frame disposed around the light guide plate, a flexible circuit board, an optical film, and a light shielding tape, wherein the flexible circuit board is fixed to the On the light guide plate and the plastic frame, the optical film is fixed on the plastic frame by the light shielding tape.

However, in the process of assembly, due to the error in the assembly process of the light guide plate and the plastic frame, there is inevitably an assembly gap between the light guide plate and the plastic frame, and since the plastic frame itself has a certain thickness, this is inevitable. The thickness of the backlight module is increased, thereby increasing the overall thickness of the liquid crystal display device, which cannot meet the mainstream needs of the market. In addition, the existing backlight module requires many components and has a complicated structure, which increases the manufacturing cost. Moreover, the assembly process of the plastic frame and the light guide plate is complicated and cumbersome, and the assembly efficiency is low.

Therefore, the present invention proposes a reflective diaphragm module, which can reduce the overall thickness and production cost of the backlight module by improving the reflective diaphragm structure of the backlight film group, and can meet the design requirements of the narrow bezel display. purpose.

In view of the above disadvantages of the prior art, the main object of the present invention is to provide a reflective film module which can reduce the overall thickness and production cost of the backlight module by improving the reflective film structure of the backlight film group. And can meet the design needs of the narrow bezel display.

In order to achieve the foregoing and other objects, a reflective film module of the present invention comprises: a reflective film for reflecting light at the bottom of a backlight module; and a flexible film disposed at the reflection The first adhesive layer is attached to the reflective film, and the first adhesive portion is adhered to the reflective film, and the extending portion is attached to the reflective film. The second adhesive portion is adhered to the side of the backlight module, and the flexible film further comprises a non-adhesive substrate, the non-adhesive substrate The upper release film is disposed on the reflective film and the flexible film; and the lower release film is disposed under the reflective film.

In view of the above-mentioned shortcomings of the prior art, another object of the present invention is to provide a backlight module having the reflective film module, wherein the backlight module includes: a light source including at least one light emitting diode. For providing light; a reflective film for reflecting light; a flexible film disposed on a plane of the reflective film and extending outwardly includes a first adhesive portion and an extension portion a second adhesive portion, wherein the first adhesive portion is adhered to the reflective film, the flexible film further comprises a non-adhesive substrate, wherein the non-adhesive substrate is disposed on the extension portion a light guide plate disposed on the reflective film and the first adhesive portion; and a plurality of optical films disposed on the light guide plate; wherein the other side of the extending portion is adhered to the light guide plate The light guide plate and the side of the plurality of optical films are used to adhere to the upper surface of the plurality of optical films.

When the reflective diaphragm module of the present invention is used, the upper release mold and the lower release mold of the reflective diaphragm module are first removed; then, the light guide plate is disposed on the reflective diaphragm and the first Above the adhesive portion, but not protruding over the extension portion, and then stacking the plurality of optical films on the light guide plate in sequence; at this time, the extension is made by the flexible quality of the flexible film The portion is bent upward so that the extension portion is adhered to the side of the light guide plate and the plurality of optical films with respect to the other surface of the non-adhesive substrate; finally, the flexible material of the flexible film is used The second adhesive portion is bent downward so that the second adhesive portion is adhered to the upper surface of the plurality of optical films.

After the foregoing operations are completed, the reflective film, the light guide plate and the plurality of optical films can be fixed by the flexible film without the need of a conventional plastic frame or metal frame, thereby reducing the process and reducing the backlight. The overall thickness of the module and the cost of production, and at the same time, the edge of the backlight module can be reduced by the extension of the flexible film, thereby achieving the design requirements of the narrow bezel display.

The embodiments of the present invention are described below by way of specific embodiments, and those skilled in the art can readily appreciate other advantages and functions of the present invention from the disclosure herein. The present invention may be embodied or applied in various other specific embodiments. The various details of the present invention can be modified and changed without departing from the spirit and scope of the invention.

It is to be understood that the structure, the proportions, the size and the like of the drawings are only used in conjunction with the disclosure of the specification for understanding and reading by those skilled in the art, and are not intended to limit the implementation of the present invention. Conditions, so it is not technically meaningful, any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects of the new model and the purpose that can be achieved, should fall within the scope of the present invention. The technical content can be covered.

Referring to FIG. 1 to FIG. 6 , a reflective diaphragm module and a backlight module having the reflective diaphragm module are described below according to an embodiment of the present invention.

The reflective film module of the present invention comprises: a reflective film 10 for reflecting light at the bottom of a backlight module; and a flexible film 20 disposed on a plane of the reflective film 10, The first adhesive portion 21 is adhered to the reflective film 10, and one of the extending portions 22 is formed on the reflective film sheet 10, and the first adhesive portion 21 is adhered to the reflective film sheet 10. The second adhesive portion 23 is attached to the upper surface of the backlight module, and the flexible film 20 further includes a non-adhesive substrate 24, the non-adhesive property. The substrate 24 is disposed on the other surface of the extending portion 22; an upper release film 30 is disposed on the reflective film 10 and the flexible film 20; and a lower release film 40 is disposed on the substrate Below the reflective diaphragm 10.

Another object of the present invention is to provide a backlight module having the reflective film module, wherein the backlight module includes: a light source 100 including at least one light emitting diode 101 for providing light; a reflection The film 10 is configured to reflect light; a flexible film 20 is disposed on a plane of the reflective film 10 and extends outwardly to include a first adhesive portion 21, an extension portion 22, and a The second adhesive portion 23 is adhered to the reflective film 10, and the flexible film 20 further includes a non-adhesive substrate 24, and the non-adhesive substrate 24 is disposed on the second adhesive portion a light guide plate 50 is disposed on the reflective film sheet 10 and the first adhesive portion 21; and a plurality of optical films 60 are disposed on the light guide plate 50; wherein The other side of the extending portion 22 is adhered to the light guide plate 50 and the side of the plurality of optical films 60. The second adhesive portion 23 is for adhering to the upper surface of the plurality of optical films 60. In addition, in FIG. 3 to FIG. In the fifth embodiment, the single optical film 60 is used instead of the plurality of optical films 60, and the actual implementation is Limited thereto.

The component of the upper release film 30 is polyethylene terephthalate, commonly known as PET. The composition of the lower release film 40 is lead tetraoxide, commonly known as yellow dan, anthrone release agent, and eucalyptus oil.

The first adhesive portion 21, the extended portion 22, and the second adhesive portion 23 are both viscous on both sides. One side of the first adhesive portion 21 is adhered to the reflective film 10, and the other surface is adhered to the light guide plate 50.

The light source 100 further includes a flexible circuit board 200. The non-adhesive substrate 24 and the extending portion 22 each have at least one hole 80 for allowing the flexible circuit board 200 to penetrate. among them.

The present invention includes a display module 300, which includes a liquid crystal panel 70 disposed on the backlight module as described above, wherein the second adhesive portion 23 is viscous on both sides, and one side is adhered thereto. The upper surface of the plurality of optical films 60 is bonded to the liquid crystal panel 70 on the other surface.

When the reflective diaphragm module of the present invention is used, the upper release mold 30 and the lower release mold 40 of the reflective diaphragm module are removed first; then, the light guide plate 50 is disposed on the reflective diaphragm. 10 and above the first adhesive portion 21, but not protruding above the extending portion 22, and then repeatedly stacking the plurality of optical films 60 on the light guide plate 50; at this time, by the flexible The flexible material of the film 20 is bent upwardly, and the extending portion 22 is adhered to the side of the light guide plate 50 and the plurality of optical films 60 with respect to the other surface of the non-adhesive substrate 24; The second adhesive portion 23 is bent downward by the flexibility of the flexible film 20, and the second adhesive portion 23 is adhered to the upper surface of the plurality of optical films 60.

After the foregoing operations are completed, the reflective film 10, the light guide plate 50, and the plurality of optical films 60 can be fixed by the flexible film 20 without a conventional plastic frame or metal frame, thereby reducing the number of operations. The purpose of reducing the overall thickness and production cost of the backlight module is achieved, and at the same time, the edge portion of the backlight module can be reduced by the extension portion 22 of the flexible film 20, thereby achieving the design requirement of the narrow bezel display. .

Although the embodiments have been described with reference to the embodiments of the present invention, it will be understood that Inside. In particular, various changes and modifications can be made in the components and/or arrangements of the subject combination. Alternative uses will be apparent to those skilled in the art, in addition to variations and modifications in the component parts and/or arrangements.

10‧‧‧Reflective diaphragm

20‧‧‧Flexible film

21‧‧‧First Adhesive Department

22‧‧‧Extension

23‧‧‧Second Adhesive Department

24‧‧‧ Non-stick substrate

30‧‧‧Upper release film

40‧‧‧Under release film

50‧‧‧Light guide plate

60‧‧‧Multiple optical films

70‧‧‧LCD panel

80‧‧‧ hole

100‧‧‧Light source

101‧‧‧Lighting diode

200‧‧‧Soft circuit board

300‧‧‧Display Module

1 is a top plan view showing an embodiment of a reflective diaphragm module of the present invention; FIG. 2 is a cross-sectional structural view showing an embodiment of the reflective diaphragm module of the present invention; FIG. 5 is a cross-sectional structural view showing an embodiment of a backlight module of the present invention adjacent to a light source portion; and FIG. 6 is a view showing an embodiment of the display module of the present invention. Schematic diagram of the cross section structure.

10‧‧‧Reflective diaphragm

20‧‧‧Flexible film

21‧‧‧First Adhesive Department

22‧‧‧Extension

23‧‧‧Second Adhesive Department

24‧‧‧ Non-stick substrate

30‧‧‧Upper release film

40‧‧‧Under release film

Claims (10)

A reflective film module includes: a reflective film for reflecting light at a bottom of a backlight module; and a flexible film disposed on a plane of the reflective film and extending outward The first adhesive portion is adhered to the reflective film, and one surface of the extended portion is adhered to the side of the backlight module. The first adhesive portion is adhered to the reflective film. The second adhesive portion is attached to the upper surface of the backlight module, and the flexible film further comprises a non-adhesive substrate disposed on the other side of the extending portion; An upper release film is disposed on the reflective film and the flexible film; and a release film is disposed under the reflective film. The reflective film module of claim 1, wherein the non-adhesive substrate has at least one hole, and the at least one hole is used to allow a flexible circuit board to penetrate therein. The reflective film module of claim 1, wherein the upper release film is PET, and the lower release film is Huangdan crepe paper. The reflective film module of claim 1, wherein the first adhesive portion, the extended portion, and the second adhesive portion are both viscous on both sides. A backlight module includes: a light source including at least one light emitting diode for providing light; a reflective film for reflecting light; and a flexible film disposed on the reflective film The first adhesive layer is attached to the reflective film, and the flexible film further includes a first adhesive portion, a first adhesive portion, and a second adhesive portion. a non-adhesive substrate disposed on one surface of the extending portion; a light guide plate disposed on the reflective film and the first adhesive portion; and a plurality of optical films disposed on the reflective substrate The other side of the extending portion is used for adhering to the side of the light guide plate and the plurality of optical films, and the second adhesive portion is for adhering to the upper surface of the plurality of optical films. The backlight module of claim 5, wherein the light source further comprises a flexible circuit board, the non-adhesive substrate and the extension portion have at least one broken hole, and the at least one broken hole is used for Let the flexible circuit board penetrate into it. The backlight module of claim 5, wherein the first adhesive portion is adhesive on both sides, wherein one side is adhered to the reflective film and the other surface is adhered to the light guide plate. The backlight module of claim 5, wherein the first adhesive portion, the extension portion, and the second adhesive portion are both viscous on both sides. A display module, comprising a liquid crystal panel, disposed on the backlight module according to any one of claims 5 to 8. The display module of claim 9, wherein the second adhesive portion is adhesive on both sides, wherein one side is adhered to the upper surface of the plurality of optical films, and the other side is adhered to the liquid crystal panel.