Backlight module with hidden backboard pattern

Abstract

The utility model discloses a back plate pattern hidden type backlight module which comprises a backlight source body, the backlight source body comprises a liquid crystal panel, a frame plate, a glass light guide plate, an optical film and a glass back plate, the liquid crystal panel and the glass back plate are located on the two sides of the glass light guide plate respectively, and the optical film is arranged between the liquid crystal panel and the glass light guide plate. Gum reflection paper is arranged between the glass light guide plate and the glass back plate, the metal radiator is located on the outer side surface of the glass back plate, the lamp strip is installed on the inner side of the bent end of the metal radiator, and a frame plate is bonded to the edge of the backlight source body. The structure of the backlight source does not need screws and clamping hooks, the backlight source only needs to be attached, installation is easy, the overall structural strength is high, and a display product which is ultrathin, low in cost and exquisite in appearance is achieved, and the main body of the display product is three pieces of glass.

Description

Technical Field

[0001] The utility model relates to the technical field of display equipment, and more specifically, to a backlight module with a hidden back panel pattern. Background Art

[0002] All display products such as monitors and televisions are constantly improving their pursuit of product shape while pursuing display effects and performance. Exquisite appearance, low cost and convenient maintenance have become one of the topics of continuous exploration and research. Using a full glass structure backlight as the backlight source of a TV or monitor, using glass materials as the main structure of the backlight source, and using glass as the light guide plate material, the overall cost of the product is low and the production efficiency is high. However, the existing backlight source is installed using a screw and buckle design, which uses a set of back panels (rear shells) as the main structure. The backlight material can only be assembled from the inside of the machine. The installation process is relatively complicated and the overall strength is relatively weak. Utility Model Content

[0003] The utility model aims to provide a backlight module with hidden back panel pattern which is easy to assemble and has low cost.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a backlight module with a hidden back panel pattern, comprising a backlight source body, a power plug-in board, a metal radiator and a light bar, the backlight source body comprising a liquid crystal panel, a frame plate, a glass light guide plate, an optical film and a glass back plate, the liquid crystal panel and the glass back plate are respectively located on both sides of the glass light guide plate, an optical film is arranged between the liquid crystal panel and the glass light guide plate, and a back-adhesive reflective paper is arranged between the glass light guide plate and the glass back plate, one end of the power plug-in board is inserted between the optical film and the liquid crystal panel, the metal radiator is located at the outer surface of the glass back plate, one end of the metal radiator is bent, the bent end of the metal radiator clamps the glass light guide plate, the light bar is installed on the inner side of the bent end of the metal radiator, and the edge of the backlight source body is bonded with a frame plate;

[0005] Compared with the traditional display products, the above structure is changed from a back plate (rear shell) + fixed structural parts + light-emitting lamps + reflective sheet + light guide plate + diaphragm series + middle frame + liquid crystal glass + front frame (face frame) to a glass back plate (+ reflective sheet with adhesive backing on the whole surface + adhesive layer + glass light guide plate with edge adhesive tape shading + double-sided tape + diaphragm series + liquid crystal glass, and the outer edge is bonded with a frame for protection, thereby realizing the design of a backlight module with a spray-painted effect LOGO in which the glass light guide plate and the glass back plate are bonded.

[0006] Preferably, a convex rib of an integrated structure is provided on the inner side of the light bar, and the convex rib is in contact with the glass light guide plate.

[0007] Preferably, the edges on both sides of the glass light guide plate are fixedly bonded to the liquid crystal panel and the glass back plate by double-sided foam adhesive.

[0008] Preferably, the edge of the adhesive-backed reflective paper is bonded to the glass light guide plate by adhesive.

[0009] Preferably, the frame plate is a metal or plastic frame.

[0010] Preferably, the surface of the glass back plate is sprayed with a light-transmitting pattern layer, a white layer and a background layer in sequence from the inside to the outside, and the background layer is gray.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] The structure of the backlight source of the utility model does not require screws and hooks, and can be installed in a fitting manner. The installation is relatively simple and the overall structural strength is high. By using a glass back panel as the main structure, and then pasting the reflective paper with adhesive on the entire surface, and then pasting the glass light guide plate with glue, and then assembling the optical film, and then assembling the light strip, and then affixing double-sided tape to fix the liquid crystal glass, and then affixing the frame to the outside, an ultra-thin, low-cost and exquisite-looking display product with three pieces of glass as the main body is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional diagram of a backlight module with a hidden back panel pattern according to the utility model;

[0015] Figure 2 This is a front view of a backlight module with a hidden back panel pattern according to the utility model;

[0016] Figure 3 yes Figure 2 Structural cross-section view at CC;

[0017] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1 backlight body, 11 liquid crystal panel, 12 frame plate, 13 glass light guide plate, 14 optical film, 15 glass back plate, 16 metal heat sink, 17 light bar, 18 adhesive reflective paper, 19 double-sided foam adhesive, 2 power socket. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model provides a backlight module with a hidden back panel pattern, including a backlight source body 1, a power plug board 2, a metal heat sink 16 and a light bar 17, the backlight source body 1 includes a liquid crystal panel 11, a frame plate 12, a glass light guide plate 13, an optical film 14 and a glass back plate 16, the liquid crystal panel 11 and the glass back plate 16 are respectively located on both sides of the glass light guide plate 13, an optical film 14 is arranged between the liquid crystal panel 11 and the glass light guide plate 13, a back adhesive reflective paper 18 is arranged between the glass light guide plate 13 and the glass back plate 16, the power plug board 2, a metal heat sink 16 and a light bar 17, the backlight source body 1 includes a liquid crystal panel 11, a frame plate 12, a glass light guide plate 13, an optical film 14 and a glass back plate 16, the liquid crystal panel 11 and the glass back plate 16 are respectively located on both sides of the glass light guide plate 13, an optical film 14 is arranged between the liquid crystal panel 11 and the glass light guide plate 13, a back adhesive reflective paper 18 is arranged between the glass light guide plate 13 and the glass back plate 16, One end of the plug board 2 is inserted between the optical film 14 and the liquid crystal panel 11, the metal heat sink 16 is located on the outer surface of the glass back plate 16, one end of the metal heat sink 16 is bent, and the bent end of the metal heat sink 16 clamps the glass light guide plate 13, and the light bar 17 is installed on the inner side of the bent end of the metal heat sink 16. The metal heat sink 16 is an aluminum alloy profile structure that is easy to absorb heat in the prior art. The light bar 17 is an LED light board, which is used to emit light to the glass light guide plate 13. The edge of the backlight source body 1 is bonded with a frame plate 12 to protect the edge;

[0021] Compared with the traditional display products, the above structure is changed from a back plate (rear shell) + fixed structural parts + light-emitting lamps + reflective sheet + light guide plate + diaphragm series + middle frame + liquid crystal glass + front frame (face frame) to a glass back plate (+ reflective sheet with adhesive backing on the whole surface + adhesive layer + glass light guide plate with edge adhesive tape shading + double-sided tape + diaphragm series + liquid crystal glass, and the outer edge is bonded with a frame for protection, thereby realizing the design of a backlight module with a spray-painted effect LOGO in which the glass light guide plate and the glass back plate are bonded.

[0022] Furthermore, in order to ensure that the light source can be smoothly emitted into the glass light guide plate 13 , in this embodiment, a convex rib of an integrated structure is provided on the inner side of the light bar 17 , and the convex rib is in contact with the glass light guide plate 13 .

[0023] Furthermore, in this embodiment, the edges of both sides of the glass light guide plate 13 are fixedly bonded to the liquid crystal panel 11 and the glass back plate 15 by double-sided foam adhesive 19;

[0024] Furthermore, in this embodiment, the edge of the adhesive-backed reflective paper 18 is bonded to the glass light guide plate 13 by bonding adhesive;

[0025] Compared with the traditional screw and buckle fixing method, the above fixing method can avoid the cumbersome installation caused by screws and buckles.

[0026] Furthermore, in this embodiment, the frame plate 12 is a metal or plastic frame.

[0027] In this embodiment, the surface of the glass back panel 15 is sprayed with a translucent pattern layer, a white layer and a background layer in sequence from the inside to the outside. The background layer is gray, and the pattern layer is an aesthetic pattern. The specific spraying can be selected according to needs. When the light bar 17 is not lit, only the first layer of gray is displayed from the outside of the glass back panel 15. When the light bar 17 is lit, a part of the light penetrates the adhesive reflective paper 18 and the first layer of gray, and illuminates the third layer of aesthetic pattern or LOGO, thereby realizing the display of the pattern or LOGO when the light bar 17 is lit.

[0028] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, the patent owner may make various variations or modifications within the scope of the appended claims. As long as they do not exceed the protection scope described in the claims of the present invention, they should be within the protection scope of the present invention.

Claims

1. A backlight module with a hidden back panel pattern, comprising a backlight source body, characterized in that: It also includes a power plug board, a metal radiator and a light bar. The backlight source body includes a liquid crystal panel, a frame plate, a glass light guide plate, an optical film and a glass back plate. The liquid crystal panel and the glass back plate are respectively located on both sides of the glass light guide plate. An optical film is provided between the liquid crystal panel and the glass light guide plate. Adhesive reflective paper is provided between the glass light guide plate and the glass back plate. One end of the power plug board is inserted between the optical film and the liquid crystal panel. The metal radiator is located on the outer surface of the glass back plate. One end of the metal radiator is bent. The bent end of the metal radiator clamps the glass light guide plate. The light bar is installed on the inner side of the bent end of the metal radiator. The frame plate is bonded to the edge of the backlight source body.

2. The backlight module with hidden back panel pattern according to claim 1, characterized in that: The inner side of the light bar is provided with a convex rib of an integral structure, and the convex rib is fitted with the glass light guide plate.

3. The backlight module with hidden back panel pattern according to claim 1, characterized in that: The edges on both sides of the glass light guide plate are fixedly bonded to the liquid crystal panel and the glass back plate by double-sided foam adhesive.

4. The backlight module with hidden back panel pattern according to claim 1, characterized in that: The edge of the adhesive-backed reflective paper is bonded to the glass light guide plate by adhesive.

5. The backlight module with hidden back panel pattern according to claim 1, characterized in that: The frame plate is a metal or plastic frame.

6. The backlight module with hidden back panel pattern according to claim 1, characterized in that: The surface of the glass back plate is sprayed with a light-transmitting pattern layer, a white layer and a background layer in sequence from the inside to the outside, and the background layer is gray.

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