Backlight structure

Abstract

A backlight structure comprises a glass light guide plate which is designed to be of a trapezoidal structure. The reflecting film layer is plated on the side surface of the glass light guide plate; the reflecting film layer is arranged on the top surface of the glass light guide plate, the diffusion film layer is arranged on the top surface of the glass light guide plate, the reflecting film layer is also of a trapezoidal structure after being plated on the glass light guide plate, and the area of the reflecting film layer is larger than that of the glass light guide plate. The four surfaces of the trapezoidal glass light guide plate can be plated, so that light cannot be leaked from the four trapezoidal surfaces, and due to the fact that the light is reflected by the reflecting film layer to be emitted from the front surface when reaching the four trapezoidal surfaces, leakage of the light can be avoided, light loss is avoided, and the brightness of the light guide plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of display module, in particular to a backlight structure. BACKGROUND

[0002] The LED module is the basic component of the LED display screen, and usually appears in the form of rectangle or square.

[0003] The competition of display industry is more and more fierce, how to improve product performance and save has been the goal of enterprise pursuit, in the traditional backlight (such as Figure 2 As shown in the figure), there is a diffusion film, two light enhancement films above the light guide plate in turn. The diffusion film is to use diffusion particles to diffuse the light out of the light guide plate, so that it is more uniform. The light enhancement film structure is to use acrylic resin on the surface of PET substrate, and to precisely form a uniform prism pattern optical film layer. The role is to gather the dispersed light emitted by the light source to the front direction, so as to improve the brightness. The reflective film is located at the bottom of the backlight module, below the light guide plate, and its role is to reflect the light leaked from the light guide plate to the bottom back, and then return to the side of the panel.

[0004] But this way in the specific use, since the reflective film is located below the light guide plate, although it can reflect the light leaked from the light guide plate to the bottom back, but the light leaked from the side of the light guide plate is difficult to reflect, which will cause the light to leak out, cause light loss, and reduce its brightness. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at overcoming the deficiency in prior art, and provides a backlight structure.

[0006] The utility model discloses a backlight structure, including, glass light guide plate, glass light guide plate is trapezoidal structure design, reflective film layer, reflective film layer is plated on the side surface of glass light guide plate, diffusion film layer, diffusion film layer sets up at the top surface of glass light guide plate.

[0007] As a further scheme of the utility model: the glass light guide plate is the trapezoidal structure of the narrow bottom and the wide top, and the glass light guide plate is a film-coated base plate.

[0008] As a further scheme of the utility model: the reflective film layer is also trapezoidal structure after being plated on the glass light guide plate, and the area of the reflective film layer is greater than the area of the glass light guide plate.

[0009] As a further scheme of the utility model: the reflective film layer covers the left side, the right side, the front side, the back side and the bottom of the glass light guide plate.

[0010] As a further scheme of the utility model: the area of the glass light guide plate and the reflective film layer is all greater than the area of the diffusion film layer, and the diffusion film layer is plated at the right position on the top surface of the glass light guide plate.

[0011] As a further scheme of the utility model: the right position on the top of the diffusion film layer is further plated with a lower light enhancement film, and the area of the lower light enhancement film is less than the area of the diffusion film layer.

[0012] As a further scheme of the utility model: a transition layer is arranged on the top of the lower light enhancement film.

[0013] As a further scheme of the utility model: the area of the transition layer is equal to the area of the lower light enhancement film.

[0014] As a further scheme of the utility model: an upper light enhancement film is plated on the top of the transition layer.

[0015] As a further scheme of the utility model: the area of the upper light enhancement film is equal to the area of the lower light enhancement film.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The backlight structure of the utility model, through the glass light guide plate and the reflective film layer, the glass light guide plate is a trapezoidal body, when the reflective film layer is plated, the four surfaces of the trapezoidal glass light guide plate can be plated, so that light cannot leak from the four trapezoidal surfaces, because when light reaches the four trapezoidal surfaces, the reflection of the reflective film layer will be emitted from the front, this way can avoid the leakage of light, avoid causing light loss, and improve the brightness. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, other related drawings can also be obtained according to these drawings.

[0019] Figure 1 It is the structural schematic diagram of the backlight structure of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the traditional backlight structure.

[0021] In the drawing: 1, glass light guide plate;2, reflective film layer;3, diffusion film layer;4, lower light enhancement film;5, transition layer;6, upper light enhancement film. DETAILED DESCRIPTION

[0022] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] Unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, can be fixedly connected, can also be detachably connected or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by a person skilled in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Please refer to Figure 1 A backlight structure, comprising, glass light guide plate 1, glass light guide plate 1 is designed in trapezoidal structure;Reflective film layer 2, reflective film layer 2 is plated on the side surface of glass light guide plate 1;Diffusion film layer 3, diffusion film layer 3 is arranged on the top surface of glass light guide plate 1.

[0027] Specifically, the present application mainly uses the process of optical coating, various optical effect films with different effects are plated on the substrate with stable optical performance to achieve the purpose, the present application combines different optical films with different effects into glass substrate (glass light guide plate 1) by using the relatively mature coating technology to achieve the final purpose, glass light guide plate 1 is a trapezoidal body, when plating reflective film layer 2, the four faces of the trapezoidal body can be plated, light cannot leak from the four trapezoidal faces, because when light reaches the four trapezoidal faces, it is reflected by reflective film layer 2 and emitted from the front face.

[0028] Please refer toFigure 1 In the embodiment, the glass light guide plate 1 is a trapezoidal structure with a narrow bottom and a wide top, and the glass light guide plate 1 is a coated base; after the reflective film layer 2 is coated on the glass light guide plate 1, the reflective film layer 2 also has a trapezoidal structure, and the area of the reflective film layer 2 is greater than the area of the glass light guide plate 1; the reflective film layer 2 covers the left side, the right side, the front side, the back side and the bottom of the glass light guide plate 1.

[0029] Specifically, the reflective film layer 2 with a reflective effect is coated on the side surface of the glass light guide plate 1, and the front surface of the glass light guide plate 1 can be coated with various optical films through a coating process, and the trapezoidal structure of the glass light guide plate 1 is more conducive to cooperating with the reflective film layer 2 to reflect light and maximize the use of light.

[0030] Please refer to Figure 1 In the embodiment, the area of the glass light guide plate 1 and the area of the reflective film layer 2 are both greater than the area of the diffusion film layer 3, and the diffusion film layer 3 is coated on the right side of the top surface of the glass light guide plate 1.

[0031] Specifically, the area of the glass light guide plate 1 and the area of the reflective film layer 2 are both greater than the area of the diffusion film layer 3, so that the diffusion film layer 3 can receive light from all directions.

[0032] Please refer to Figure 1 In the embodiment, the lower light enhancement film 4 is further coated on the right side of the top of the diffusion film layer 3, the area of the lower light enhancement film 4 is less than the area of the diffusion film layer 3; the top of the lower light enhancement film 4 is provided with a transition layer 5; the area of the transition layer 5 is equal to the area of the lower light enhancement film 4; the top of the transition layer 5 is coated with an upper light enhancement film 6; the area of the upper light enhancement film 6 is equal to the area of the lower light enhancement film 4.

[0033] Specifically, the upper light enhancement film 6 and the lower light enhancement film 4 function to gather the dispersed light emitted by the light source to the front direction, so as to improve the brightness, and the transition layer 5 is used for the transition of light.

[0034] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A backlight structure, characterized by, Comprising, The glass light guide plate (1) is designed in a trapezoidal structure. The reflective film layer (2) is plated on the side surface of the glass light guide plate (1). The diffusion film layer (3) is arranged on the top surface of the glass light guide plate (1).

2. The backlight structure of claim 1, wherein, The glass light guide plate (1) is designed in a trapezoidal structure with a narrow bottom and a wide top, and is a film plating base.

3. The backlight structure of claim 1, wherein, The reflective film layer (2) is also designed in a trapezoidal structure after being plated on the glass light guide plate (1), and the area of the reflective film layer (2) is larger than that of the glass light guide plate (1).

4. The backlight structure of claim 3, wherein, The reflective film layer (2) covers the left side, right side, front side, back side and bottom of the glass light guide plate (1).

5. The backlight structure of claim 1, wherein, The areas of the glass light guide plate (1) and the reflective film layer (2) are both larger than that of the diffusion film layer (3), and the diffusion film layer (3) is plated on the right side of the top surface of the glass light guide plate (1).

6. The backlight structure of claim 1, wherein, The lower light enhancement film (4) is further plated on the right side of the top of the diffusion film layer (3), and the area of the lower light enhancement film (4) is smaller than that of the diffusion film layer (3).

7. The backlight structure of claim 6, wherein, The transition layer (5) is arranged on the top of the lower light enhancement film (4).

8. The backlight structure of claim 7, wherein, The area of the transition layer (5) is equal to that of the lower light enhancement film (4).

9. The backlight structure of claim 7, wherein, The upper light enhancement film (6) is plated on the top of the transition layer (5).

10. The backlight structure of claim 9, wherein, The area of the upper light enhancement film (6) is equal to that of the lower light enhancement film (4).

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