CN204477809U - Novel backlight module displays device - Google Patents

Abstract

The utility model discloses a novel backlight module display device, which comprises a shading tape, an upper lens, a brightening film, a lower lens, a light source, a light guide plate and a double-sided shading tape arranged in sequence; the frame is arranged on the upper lens. Around; the shading tape is pasted around the upper lens. The utility model omits the structure of the rubber frame and the lower iron frame; effectively shortens the distance between the edge of the display panel and the edge of the backlight source, and can realize a narrow frame; The display device can be made thinner; the light emitted by the LED light bar can be evenly distributed in the light guide plate to improve the display effect of the display device; and the position corresponding to the LED light on the optical film is provided with an opening area, which can facilitate the LED The heat dissipation of the lamp improves the display effect. In order to prevent the light leakage of the light guide plate, the utility model is pasted with double-sided light-shielding tape around the light guide plate and the optical film, which can realize good reflection and absorb light leakage at the same time, and improve the display. Effect.

Description

New type backlight module display device

technical field

The utility model relates to the field of flat panel display technology, in particular to a novel backlight module display device.

Background technique

Due to the advantages of low power consumption and low radiation, liquid crystal display devices have been widely used in current display devices. With the continuous advancement of technology in the liquid crystal industry, the large size and thinness of liquid crystal display devices have increasingly become the mainstream demand of the market. Liquid crystal display devices generally include liquid crystal panels and backlight modules, and the structure of backlight modules is largely It determines the large size and thinness of the liquid crystal display device, so the narrow frame of the backlight module has also become a trend;

The structure of the current liquid crystal display device is shown in Figure 1, the liquid crystal display device includes an upper iron frame 101, a display panel 102, a light-shielding tape 103, an optical film 104, a light source 105, a light guide plate 106, a reflector 107, and a plastic frame 108 , Lower iron frame 109, circuit board unit 110, shell 111. Since the liquid crystal display mainly includes: a backlight and a liquid crystal display panel positioned on the backlight, the backlight includes a light-shielding tape 103, an optical film 104, a light source 105, a light guide plate 106, a reflector 107, a plastic frame 108, and a lower iron frame 109. One of the determining factors of the frame width of the liquid crystal display is the distance between the edge of the liquid crystal display panel and the edge of the backlight source, that is, the frame width of the backlight source.

It can be seen from Figure 1 that in the current liquid crystal display device, an upper iron frame, a plastic frame, a lower iron frame, and a casing are usually provided. The purpose of setting the plastic frame and the lower iron frame in the backlight unit is to place the optical film film and light guide plate, and the plastic frame and lower iron frame can also prevent the light leakage of the light guide plate, the lower iron frame is used to fix the plastic frame, and if the light guide plate leaks light, the edge of the display panel will be bright when the display device is displayed. Therefore, in the current design, the plastic frame and the lower iron frame are necessary structures; at the same time, no matter how narrow or thin the plastic frame and the lower iron frame are, they will also increase the frame size of the display device , it is difficult to solve the problem of narrow borders.

Therefore, it is already a problem worth studying to provide a new type of display device that can save the plastic frame and the lower iron frame, and can fix the optical film and prevent light leakage from the light guide plate.

Contents of the invention

In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides a new backlight module display device which can save the plastic frame and the lower iron frame, and can fix the optical film and prevent light leakage from the light guide plate.

The purpose of this utility model is achieved in that:

A new type of backlight module display device, including a light-shielding tape 1, an upper lens 2, a brightness enhancement film 3, a lower lens 4, a light source 5, a light guide plate 6, and a double-sided light-shielding tape 7 arranged in sequence; the frame is set on the upper lens 2 around;

The light-shielding adhesive tape 1 is pasted around the upper lens 2;

The upper lens 2 includes at least one first lug 8 and at least one first lug 9, and the first lug 8 is arranged vertically downward;

The brightness enhancing film 3 includes at least one second card slot 10 and at least one third card slot 11;

The lowering lens 4 includes at least one second lug 12 and at least one fourth lug 13, and the second lug 12 is arranged vertically upward;

The light guide plate 6 includes a first part 14 and a second part 15, the second part 15 is arranged on the edge of the light guide plate 6, and is provided with a through hole 16 for placing the light source 5; has a bump 17;

The surroundings of the upper lens 2, the brightness enhancement film 3 and the lower lens 4 are respectively provided with a correspondingly arranged fifth card slot 18; the double-sided light-shielding tape 7 is pasted around the light guide plate 6 and the protrusion 17;

The first card ear 8 corresponds to the position of the second card slot 10 and the fourth card slot 13; the second card ear 12 corresponds to the position of the third card slot 11 and the first card slot 9; The fifth locking slot 18 corresponds to the position of the protrusion 17 .

The light source 5 is an LED light bar, and the LED light bar includes an LED light 23 and a golden finger 24; the second part 15 of the light guide plate 6 is provided with a groove 22 for placing the golden finger.

The double-sided light-shielding tape 7 includes a white surface and a black surface, the white surface and the black surface are arranged oppositely, and the white surface is pasted with the light guide plate 6;

The white side of the double-sided light-shielding adhesive tape 7 is pasted with the first lug 8 and the second lug 12;

The upper lens 2, the brightening film 3 and the lower lens 4 all include a third part 19 and a fourth part 20; the third part of the upper lens 2 is provided with a first lug 8, and the lower lens The third part of the lens 4 is provided with the second clip 12, the third part of the brightness enhancement film 3 is provided with the second clip slot 10 and the third clip slot 11; the fourth part 20 is provided with an opening 21 , the opening 21 corresponds to the position of the LED lamp 23;

The thickness of the first portion 14 of the light guide plate 6 is greater than the thickness of the second portion 15; the thickness of the first portion 14 of the light guide plate 6 is equal to the thickness of the second portion 15 of the light guide plate 6 and the thickness of the light source 5 Sum;

A transparent double-sided adhesive 26 is provided under the second part 15 of the light guide plate 6 , and the reflection sheet 25 is glued under the light guide plate 6 through the transparent double-sided adhesive 26 .

Positive beneficial effects: 1. In order to shorten the distance between the edge of the display panel and the edge of the backlight module in the utility model, the light guide plate includes a protrusion capable of fixing the optical film and a groove capable of placing the light source, thereby saving The structure of the plastic frame and the lower iron frame is removed; the distance between the edge of the display panel and the edge of the backlight is effectively shortened, and a narrow frame can be realized, and because the lower iron frame and the rubber frame are omitted, the display device can also be thinner.

2. In this utility model, the optical film is set above the light source LED light bar, which can play the role of fixing the light bar. The optical film can press the LED light bar to prevent the light bar from moving, so that the LED light bar emits light. The light can be evenly distributed in the light guide plate to improve the display effect of the display device; and the position corresponding to the LED light on the optical film is provided with an opening area, which can facilitate the heat dissipation of the LED light, improve the display effect, and increase the The bonding area between the light-shielding tape and the upper lens, so that the optical film can be better fixed;

3. In this utility model, in order to prevent light leakage from the light guide plate, a double-sided light-shielding tape is pasted around the light guide plate and the optical film, and the white side of the double-sided light-shielding tape is pasted around the light guide plate and the optical film. It can reflect light, so that the display device can effectively use the light emitted by the light source to prevent light leakage, and the side opposite to the white side of the double-sided light-shielding tape is a black side, which can effectively absorb the light leaked from the backlight module and further prevent backlight. The light leakage of the module, at the same time, saves the plastic frame and the lower iron frame to achieve a narrow frame.

Description of drawings

FIG. 1 is a schematic structural view of a display device provided in the prior art;

Fig. 2 is the structural representation of the backlight module provided by the utility model;

Fig. 3 is a schematic structural view of the upper lens provided by the utility model;

Fig. 4 is a structural schematic diagram of the brightness enhancing film provided by the utility model;

Fig. 5 is a structural schematic diagram of the lowering lens provided by the utility model;

Fig. 6 is a schematic structural view of the light guide plate provided by the present invention;

Fig. 7 is a schematic structural view of the light source provided by the utility model;

Fig. 8 is a schematic structural view of the reflection sheet provided by the utility model;

  In the figure: shading tape 1, upper lens 2, brightening film 3, lower lens 4, light source 5, light guide plate 6, double-sided shading tape 7, first lug 8, first slot 9, second card slot 10, third card slot 11, second card ear 12, fourth card slot 13, first part 14, second part 15, through hole 16,

Protrusion 17, fifth card slot 18, third part 19, fourth part 20, opening 21, groove 22,

LED lamp 23, gold finger 24, reflective sheet 25, transparent double-sided adhesive tape 26.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described further:

As shown in Figure 2, the new backlight module display device includes a light-shielding tape 1, an upper lens 2, a brightness enhancement film 3, a lower lens 4, a light source 5, a light guide plate 6, and a double-sided light-shielding tape (7) arranged in sequence. ; The frame is arranged around the upper lens 2;

The light-shielding tape 1 is pasted around the upper lens 2; the double-sided light-shielding tape 7 is pasted around the light guide plate 6 and the protrusion 17;

As shown in FIG. 3 , the upward facing lens 2 includes at least one first clip 8 and at least one first clip slot 9, and the first clip 8 is arranged vertically downward;

As shown in FIG. 4 , the brightness enhancement film 3 includes at least one second card slot 10 and at least one third card slot 11 ;

As shown in Fig. 5, the lowering lens 4 includes at least one second lug (12) and at least one fourth lug 13, and the second lug 12 is arranged vertically upward;

As shown in Figure 6, the light guide plate 6 includes a first part 14 and a second part 15; the second part 15 is arranged on the edge of the light guide plate 6, and is provided with a through hole 16 for placing the light source 5; A protrusion 17 is respectively arranged around the light board 6;

A fifth clamping groove 18 is arranged around the upper lens 2, the brightening film 3, and the lower lens 4 respectively; Correspondingly; the position of the second card lug 12 corresponds to the position of the third card slot 11 and the first card slot 9 ; the position of the fifth card slot 18 corresponds to the position of the protrusion 17 . In the utility model, in order to shorten the distance between the edge of the display panel and the edge of the backlight module, the light guide plate includes a protrusion capable of fixing the optical film and a groove capable of placing the light source, thereby eliminating the need for a plastic frame and a lower The structure of the iron frame effectively shortens the distance between the edge of the display panel and the edge of the backlight, enabling a narrow frame and making the display device thinner due to the omission of the lower iron frame and plastic frame;

As shown in Figure 7, the light source 5 is an LED light bar, and the LED light bar includes an LED light 23 and a gold finger 24; the second part of the light guide plate 6 is provided with a groove 22 for placing the gold finger;

In the utility model, the optical film includes an upper lens, a brightening film, and a lower lens, and the double-sided light-shielding adhesive tape includes a white surface and a black surface, and the white surface and the black surface are arranged oppositely, and the white surface and the black surface are oppositely arranged. The light guide plates are pasted together. The white side of the double-sided light-shielding tape 7 is pasted on the first lug (8) and the second lug 12, and the double-sided light-shielding tape and the optical film can be enlarged through the first lug and the second lug. The pasting area of the film can better fix the optical film. In the utility model, in order to prevent light leakage from the light guide plate, a double-sided light-shielding tape is pasted around the light guide plate and the optical film, wherein the white side of the double-sided light-shielding tape is pasted around the light guide plate and the optical film, and the white surface can reflect Light, so that the display device can effectively use the light emitted by the light source to prevent light leakage, and the side opposite to the white side of the double-sided light-shielding tape is a black side, which can effectively absorb the light leaked from the backlight module and further prevent the backlight module. At the same time, the plastic frame and the lower iron frame are omitted to achieve a narrow frame;

The upper lens 2, the brightness enhancement film 3, and the lower lens 4 all include a third part 19 and a fourth part 20; the third part of the upper lens 2 is provided with a first lug 8; the lower lens The third part of the lens 4 is provided with a second clip 12; the third part of the brightness enhancement film 3 is provided with a second clip slot 10 and a third clip slot 11; the fourth part 20 is provided with an opening 21, so The above opening 21 corresponds to the position of the LED light in the light source; because the light source is usually an LED light bar, when the gold finger on the LED light bar is bent, it will usually drive the position of the LED light to change, so that the light on the guide The light source in the light panel is uneven, which affects the display effect, and the optical film is placed above the LED light bar, which can play the role of a gasket. The optical film presses the LED light bar to prevent the light bar from moving and ensure the display The display effect of the device; and the opening area is set on the position corresponding to the LED light bar on the optical film, which can facilitate the heat dissipation of the LED light and improve the display effect.

In the present invention, the thickness of the first part of the light guide plate is greater than the thickness of the second part; the thickness of the first part of the light guide plate is equal to the sum of the thicknesses of the second part of the light guide plate and the light source.

As shown in FIG. 8 , a transparent double-sided adhesive 26 is provided under the second part 15 of the light guide plate 6 , and the reflection sheet 25 is glued under the light guide plate 6 through the transparent double-sided adhesive 26 .

In order to shorten the distance between the edge of the display panel and the edge of the backlight module in the utility model, the light guide plate includes a protrusion capable of fixing the optical film and a groove capable of placing the light source, thereby eliminating the need for a plastic frame and a lower iron frame structure; the distance between the edge of the display panel and the edge of the backlight source is effectively shortened, a narrow frame can be realized, and the display device can be made thinner due to the omission of the lower iron frame and the plastic frame.

In the utility model, the optical film is arranged above the light source LED light bar, which can play the role of fixing the light bar. The optical film can press the LED light bar to prevent the light bar from moving, so that the light emitted by the LED light bar can be uniform. Distributed in the light guide plate to improve the display effect of the display device; and an opening area is set on the optical film corresponding to the LED light, which can facilitate the heat dissipation of the LED light and improve the display effect, and can increase the size of the light-shielding tape and the upper surface. Ling lens paste area, so that the optical film can be better fixed;

In order to prevent light leakage from the light guide plate, the utility model is pasted with a double-sided light-shielding tape around the light guide plate and the optical film, wherein the white side of the double-sided light-shielding tape is pasted around the light guide plate and the optical film, and the white surface can reflect light , so that the display device can effectively use the light emitted by the light source to prevent light leakage, and the side opposite to the white side of the double-sided light-shielding tape is a black side, which can effectively absorb the light leaked from the backlight module and further prevent the backlight module. At the same time, the plastic frame and the lower iron frame are omitted to achieve a narrow frame.

The above implementation cases are only used to illustrate the preferred implementation of the present utility model, but the utility model is not limited to the above-mentioned implementation, within the scope of knowledge possessed by those of ordinary skill in the art, within the spirit and principles of the utility model Any amendments, equivalent substitutions and improvements, etc., shall be considered as the scope of protection of this application.

Claims (8)

1. novel backlight module displays device, is characterized in that: comprise the shading rubber belt (1), upper icepro eyeglass (2), brightness enhancement film (3), lower icepro eyeglass (4), the light source (5) that set gradually, light guide plate (6) and two-sided shading rubber belt (7); Framework is arranged on the surrounding of icepro eyeglass (2);

Described shading rubber belt (1) is pasted onto the surrounding of icepro eyeglass (2);

Described upper icepro eyeglass (2) comprises at least one first card ear (8) and at least one the first draw-in groove (9), and described first card ear (8) is arranged vertically downward;

Described brightness enhancement film (3) comprises at least one second draw-in groove (10) and at least one the 3rd draw-in groove (11);

Described lower icepro eyeglass (4) comprises at least one second card ear (12) and at least one the 4th draw-in groove (13), and described second card ear (12) is arranged vertically upward;

Described light guide plate (6) comprises Part I (14) and Part II (15), and described Part II (15) is arranged on the edge of light guide plate (6), and is provided with the through hole (16) for placing light source (5); The surrounding of described light guide plate (6) is respectively arranged with a projection (17);

The surrounding of described upper icepro eyeglass (2), brightness enhancement film (3) and lower icepro eyeglass (4) is respectively arranged with corresponding the 5th draw-in groove (18) arranged; Described two-sided shading rubber belt (7) is pasted onto the surrounding of light guide plate (6) and protruding (17).

2. novel backlight module displays device according to claim 1, is characterized in that: the first described card ear (8) is corresponding with the position of the second draw-in groove (10), the 4th draw-in groove (13); Described second card ear (12) is corresponding with the position of the 3rd draw-in groove (11) and the first draw-in groove (9); Described 5th draw-in groove (18) is corresponding with the position of protruding (17).

3. novel backlight module displays device according to claim 1, is characterized in that: described light source (5) is LED lamp bar, LED lamp bar comprises LED (23) and golden finger (24); The Part II (15) of described light guide plate (6) is provided with the groove (22) placing golden finger (24).

4. novel backlight module displays device according to claim 1, is characterized in that: described two-sided shading rubber belt (7) comprises fine flour and black flour, and described fine flour and black flour are oppositely arranged, and described fine flour is pasted mutually with light guide plate (6).

5. novel backlight module displays device according to claim 4, is characterized in that: the fine flour of described two-sided shading rubber belt (7) is pasted mutually with the first card ear (8) and the second card ear (12).

6. novel backlight module displays device according to claim 1, is characterized in that: described upper icepro eyeglass (2), brightness enhancement film (3) and lower icepro eyeglass (4) include Part III (19) and Part IV (20); The Part III of described upper icepro eyeglass (2) is provided with the first card ear (8), the Part III of described lower icepro eyeglass (4) is provided with described second card ear (12), and the Part III of described brightness enhancement film (3) is provided with the second draw-in groove (10) and the 3rd draw-in groove (11); Described Part IV (20) is provided with opening (21), and opening (21) is corresponding with the position of LED (23).

7. novel backlight module displays device according to claim 1, is characterized in that: the thickness of the Part I (14) of described light guide plate (6) is greater than the thickness of described Part II (15); The thickness of the Part I (14) of described light guide plate (6) equals the Part II (15) of described light guide plate (6) and the thickness sum of described light source (5).

8. novel backlight module displays device according to claim 1, it is characterized in that: the below of described light guide plate (6) Part II (15) is provided with transparent double face glue (26), and reflector plate (25) is bonded at the below of light guide plate (6) by transparent double face glue (26).