CN221039717U - Backlight module with light leakage prevention function - Google Patents

Abstract

The utility model discloses a backlight module with a light leakage prevention function, which comprises a main frame body and a liquid crystal display arranged in the main frame body, wherein the upper end of the main frame body is provided with a light leakage prevention component, the light leakage prevention component comprises a first cover plate, the lower end of the first cover plate is provided with a second cover plate, the side wall of the main frame body is provided with a heat radiation component, the side wall of the heat radiation component is provided with a clamping strip, and the light leakage prevention component is connected with the heat radiation component through the clamping strip, so that the first cover plate, the second cover plate and the heat radiation component shield the surface of the main frame body, and light cannot leak out of the main frame body. According to the utility model, the light leakage prevention assembly and the heat dissipation assembly shield the light leakage surface of the main frame body, and the connection parts are in a step shape or an H shape, so that light cannot leak out of the main frame body.

Description

Backlight module with light leakage prevention function

Technical Field

The present disclosure relates to backlight modules, and particularly to a backlight module with light leakage preventing function.

Background

The backlight module is one of key components of the liquid crystal display panel, and has the functions of providing enough light sources with uniform brightness and distribution so that the liquid crystal display panel can normally display images, wherein the backlight source is a light source positioned behind the liquid crystal display, the light-emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal does not emit light, the display graph or character is the result of light modulation, the backlight module is a provider of the light source of the liquid crystal display, the LCD does not emit light, the appearance of the light source of the backlight module determines the visual sense of the display, and the liquid crystal display has a place in the market of the CRT due to the thin thickness, light weight and convenient carrying of the liquid crystal display and rapid increase of the demand.

The backlight module is an important component of the liquid crystal display panel, the backlight module affects the use effect of the liquid crystal display panel, if light leaks outside in use, the liquid crystal display effect is reduced, display blurring is caused, the display panel changes color and cannot be realized directly, trouble is caused to a user, part of devices are poor in display due to light leakage, the user directly discards the devices, and the intact parts in the devices are discarded, so that resource waste is caused.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a backlight module with a light leakage prevention function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a backlight unit with leak protection light function, includes the body frame and sets up at the inside LCD of body frame, body frame upper end is provided with leak protection light subassembly, and leak protection light subassembly includes first apron, and first apron lower extreme is provided with the second apron, and body frame lateral wall is provided with radiator unit, and radiator unit lateral wall is provided with the card strip, connects leak protection light subassembly and radiator unit through the card strip for first apron, second apron and radiator unit shelter from body frame surface, make light unable spill the body frame.

Preferably, a module groove is formed in the main frame body, a baffle is arranged in the module groove, an LED lamp is arranged on the side wall of the baffle, a light guide plate groove is formed in the main frame body, a display groove is formed in the main frame body, the display groove and the light guide plate groove are both located at the outer side of the module groove, an optical film is arranged in the main frame body, the optical film is located in the light guide plate groove, a reflecting plate is arranged on the side wall of the optical film, a light guide plate is arranged on the side wall of the reflecting plate, and a liquid crystal display is located in the display groove;

the first cover plate and the second cover plate are used for placing, and the influence of light leakage on display is reduced.

Preferably, the upper end of the main frame body is provided with a first cover plate groove, the inside of the main frame body is provided with a second cover plate groove, the second cover plate groove is communicated with the first cover plate groove, the first cover plate is positioned in the first cover plate groove, and the second cover plate is positioned in the second cover plate groove;

is used for shielding light from leaking out of the main frame body and avoiding causing interference to display.

Preferably, the heat dissipation assembly comprises a fixed plate, wherein the side wall of the fixed plate is provided with a heat dissipation fin, the side wall of the fixed plate is provided with a connecting block, and the lower end of the connecting block is provided with a clamping strip;

is used for radiating the main frame body and avoiding overhigh temperature.

Preferably, the upper end of the first cover plate is provided with a connecting block groove, the inside of the first cover plate is provided with a fixing groove, the fixing groove is positioned at the outer side of the connecting block groove, and the clamping strip is positioned in the fixing groove;

The light shielding module is used for connecting the light leakage preventing module and the heat radiating module and shielding light.

Preferably, the shape of the light leakage prevention component is H-shaped;

used for avoiding light from leaking out of the main frame body and increasing the display effect.

The utility model has the following beneficial effects:

1. In the utility model, firstly, the optical diaphragm, the reflecting plate and the light guide plate are placed in the light guide plate groove, the liquid crystal display is arranged in the display groove, the light leakage prevention component is slid into the first cover plate groove and the second cover plate groove, the heat dissipation component is arranged on the side wall of the main frame body, the light leakage prevention component and the heat dissipation component shield the light leakage surface of the main frame body, the connection parts are in a step shape or an H shape, so that light cannot leak out of the main frame body, the arrangement can prevent the light from being emitted out of the internal gap, can also prevent the interference of external light on the inside, and can ensure the display effect.

2. According to the utility model, the side wall of the main frame body is provided with the heat radiating component, the heat radiating component can radiate the inside of the main frame body, so that the display effect is prevented from being reduced due to overhigh temperature, the damage of parts caused by overhigh temperature is also prevented, the service life is prolonged, and the maintenance cost is reduced.

Drawings

Fig. 1 is a schematic perspective view of a backlight module with light leakage prevention function according to the present utility model;

fig. 2 is an exploded perspective view of a backlight module with light leakage prevention function according to the present utility model;

FIG. 3 is a perspective view of a light leakage prevention module in a backlight module with light leakage prevention function according to the present utility model;

Fig. 4 is a perspective view of a heat dissipation assembly in a backlight module with light leakage prevention function according to the present utility model;

FIG. 5 is a partially enlarged schematic perspective view of a backlight module with light leakage preventing function according to the present utility model;

fig. 6 is a partially enlarged schematic perspective view of a backlight module with light leakage prevention function according to the present utility model.

Legend description:

1. A liquid crystal display; 2. a main frame body; 21. a module groove; 22. a light guide plate groove; 23. a display slot; 24. a first cover plate groove; 25. a second cover plate groove; 26. a baffle; 27. a light leakage prevention component; 271. a first cover plate; 272. a connecting block groove; 273. a fixing groove; 274. a second cover plate; 28. an optical film; 281. a reflection plate; 282. a light guide plate; 29. an LED lamp; 3. a heat dissipation assembly; 31. a fixing plate; 32. a heat sink; 33. a connecting block; 34. and (5) clamping the strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a backlight unit with leak protection light function, including body frame 2 and the liquid crystal display 1 of setting inside body frame 2, body frame 2 upper end is provided with leak protection light subassembly 27, leak protection light subassembly 27 includes first apron 271, first apron 271 lower extreme is provided with second apron 274, body frame 2 lateral wall is provided with radiator unit 3, radiator unit 3 lateral wall is provided with card strip 34, connect leak protection light subassembly 27 and radiator unit 3 through card strip 34, make first apron 271, second apron 274 and radiator unit 3 shelter from body frame 2 surface, make light unable spill body frame 2.

The main frame body 2 is internally provided with a module groove 21, the inside of the module groove 21 is provided with a baffle 26, the side wall of the baffle 26 is provided with an LED lamp 29, the inside of the main frame body 2 is provided with a light guide plate groove 22, the inside of the main frame body 2 is provided with a display groove 23, the display groove 23 and the light guide plate groove 22 are both positioned outside the module groove 21, the inside of the main frame body 2 is provided with an optical film 28, the optical film 28 is positioned in the light guide plate groove 22, the side wall of the optical film 28 is provided with a reflecting plate 281, the side wall of the reflecting plate 281 is provided with a light guide plate 282, the liquid crystal display 1 is positioned in the display groove 23, the upper end of the main frame body 2 is provided with a first cover plate groove 24, the inside second apron groove 25 of having seted up of body frame 2, second apron groove 25 communicates with each other with first apron groove 24, first apron 271 is located first apron groove 24, second apron 274 is located second apron groove 25, radiator unit 3 includes fixed plate 31, fixed plate 31 lateral wall is provided with fin 32, fixed plate 31 lateral wall is provided with connecting block 33, connecting block 33 lower extreme is provided with card strip 34, connecting block groove 272 has been seted up to first apron 271 upper end, first apron 271 inside is provided with fixed slot 273, fixed slot 273 is located connecting block groove 272 outside, card strip 34 is located fixed slot 273, leak protection light subassembly 27 shape is H type.

Working principle: firstly, the optical film 28, the reflecting plate 281 and the light guide plate 282 are placed in the light guide plate groove 22, the liquid crystal display 1 is installed in the display groove 23, the LED lamp 29 is installed on the side wall of the baffle 26, the light leakage prevention assembly 27 is slid into the first cover plate groove 24 and the second cover plate groove 25, the heat dissipation assembly 3 is installed on the side wall of the main frame body 2, and light can be prevented from being emitted from the internal gap through the arrangement.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a backlight unit with leak protection light function, includes body frame (2) and sets up at inside liquid crystal display (1) of body frame (2), its characterized in that: the utility model discloses a light source, including body frame body (2), body frame body (2) upper end is provided with leak protection optical subassembly (27), leak protection optical subassembly (27) include first apron (271), and first apron (271) lower extreme is provided with second apron (274), and body frame body (2) lateral wall is provided with radiator unit (3), and radiator unit (3) lateral wall is provided with card strip (34), is connected leak protection optical subassembly (27) and radiator unit (3) through card strip (34), makes first apron (271), second apron (274) and radiator unit (3) shelter from body frame body (2) surface, makes light unable spill body frame body (2).

2. The backlight module with light leakage prevention function according to claim 1, wherein: the LED display is characterized in that a module groove (21) is formed in the main frame body (2), a baffle (26) is arranged in the module groove (21), an LED lamp (29) is arranged on the side wall of the baffle (26), a light guide plate groove (22) is formed in the main frame body (2), a display groove (23) is formed in the main frame body (2), the display groove (23) and the light guide plate groove (22) are both located outside the module groove (21), an optical film (28) is arranged in the main frame body (2), the optical film (28) is located in the light guide plate groove (22), a reflecting plate (281) is arranged on the side wall of the optical film (28), a light guide plate (282) is arranged on the side wall of the reflecting plate (281), and the liquid crystal display (1) is located in the display groove (23).

3. The backlight module with light leakage prevention function according to claim 1, wherein: the novel solar cell module is characterized in that a first cover plate groove (24) is formed in the upper end of the main frame body (2), a second cover plate groove (25) is formed in the main frame body (2), the second cover plate groove (25) is communicated with the first cover plate groove (24), a first cover plate (271) is located in the first cover plate groove (24), and a second cover plate (274) is located in the second cover plate groove (25).

4. The backlight module with light leakage prevention function according to claim 1, wherein: the heat dissipation assembly (3) comprises a fixing plate (31), heat dissipation fins (32) are arranged on the side wall of the fixing plate (31), a connecting block (33) is arranged on the side wall of the fixing plate (31), and clamping strips (34) are arranged at the lower end of the connecting block (33).

5. The backlight module with light leakage prevention function according to claim 1, wherein: connecting block groove (272) has been seted up to first apron (271) upper end, and first apron (271) inside is provided with fixed slot (273), and fixed slot (273) are located connecting block groove (272) outside, and clamping strip (34) are located fixed slot (273).

6. The backlight module with light leakage prevention function according to claim 1, wherein: the light leakage prevention assembly (27) is H-shaped.