Ultrathin low-power-consumption high-brightness LED backlight liquid crystal screen

Abstract

The ultrathin low-power-consumption high-brightness LED backlight liquid crystal screen comprises a display screen shell, and liquid crystal screen glass, a composite brightness enhancement film, a brightness enhancement film, a diffusion film and an aluminum substrate are sequentially installed in the display screen shell from outside to inside. The aluminum substrate is provided with LED lamp beads. The liquid crystal screen glass and the composite bright enhancement film are provided with LCD layers; a reflecting film is arranged on the surface of the aluminum substrate, and a heat conduction layer is arranged between the back side of the aluminum substrate and a rear cover of the display screen shell. The reflecting film is arranged on the surface of the aluminum substrate to further reflect the light emitted by the LED lamp beads, so that the utilization rate of the light is improved, the overall brightness is improved, and the heat conduction layer is arranged between the back side of the aluminum substrate and the rear cover of the display screen shell, so that the heat conduction efficiency is improved. In this way, the temperature generated when the LED lamp beads work is transmitted to the display screen shell through the aluminum substrate and the heat conduction layer for heat dissipation, so that the internal temperature is reduced, and the situation that the internal temperature of the liquid crystal screen is too high is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to liquid crystal screens, in particular to an ultra-thin, low-power consumption, high-brightness LED backlight liquid crystal screen. Background Art

[0002] Liquid crystal screen, or LCD screen, is a technology widely used in display devices. It adjusts the degree of light transmission by controlling liquid crystal molecules to display images. Liquid crystal displays are usually composed of a liquid crystal layer, a backlight source, a drive circuit, etc.; the backlight in existing liquid crystal products, and the existing way to make the liquid crystal display have better brightness is to increase the brightness of the backlight source, which will increase energy consumption. Utility Model Content

[0003] In order to solve the problem of backlight in liquid crystal products in the prior art, in order to make the liquid crystal display screen have better brightness, the brightness of the backlight source is increased, which will increase the defect of energy consumption. The utility model provides an ultra-thin, low-power and high-brightness LED backlight liquid crystal screen.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an ultra-thin, low-power consumption, high-brightness LED-backlit liquid crystal screen, comprising a display screen shell, wherein liquid crystal screen glass, a composite light-enhancing film, a light-enhancing film, a diffusion film and an aluminum substrate are sequentially installed inside the display screen shell from outside to inside; the aluminum substrate is provided with LED lamp beads; the liquid crystal screen glass and the composite light-enhancing film are provided with an LCD layer; the display screen shell is also provided with a light intensity collection module for collecting external light intensity; a driving module for driving the LED lamp beads to emit light is installed inside the display screen shell, and a control module is also installed in the display screen shell, and the light intensity collection module, the driving module and the control module are connected; a reflective film is provided on the surface of the aluminum substrate, and a heat-conducting layer is provided between the back side of the aluminum substrate and the back cover of the display screen shell.

[0006] As a preferred technical solution of the utility model, the heat-conducting layer includes a central heat-conducting aluminum plate, and the outer walls on both sides of the central heat-conducting aluminum plate are provided with heat-conducting coatings.

[0007] As a preferred technical solution of the present invention, the thermally conductive coating is a thermally conductive silicone layer.

[0008] As a preferred technical solution of the present utility model, the thickness of the thermal conductive coating is 2-4 mm.

[0009] As a preferred technical solution of the utility model, connecting plates are provided at both ends of the aluminum substrate, and the connecting plates are connected to the display screen housing.

[0010] As a preferred technical solution of the utility model, a thermal pad is provided between the connecting plate and the display screen housing.

[0011] The beneficial effects of the utility model are:

[0012] This ultra-thin, low-power, high-brightness LED backlight LCD screen has a composite brightness enhancement film, a brightness enhancement film, and a diffusion film arranged between the LCD layer and the LED lamp beads, so that the light emitted by the LED lamp beads is enhanced, thereby ensuring that the entire LCD screen has a high backlight brightness. A reflective film is arranged on the surface of the aluminum substrate to further reflect the light emitted by the LED lamp beads, thereby improving the utilization rate of the light, thereby improving the overall brightness. A heat-conducting layer is provided between the back side of the aluminum substrate and the back cover of the display screen housing, so that the temperature generated by the LED lamp beads when working is transferred to the display screen housing through the aluminum substrate and the heat-conducting layer for heat dissipation, thereby reducing the internal temperature and avoiding the internal temperature of the LCD screen being too high, which may easily damage the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the exploded structure of an ultra-thin, low-power, high-brightness LED backlight LCD screen of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a heat-conducting layer of an ultra-thin, low-power, high-brightness LED backlight liquid crystal screen of the utility model;

[0016] Figure 3 This is a connection diagram of a light intensity acquisition module for an ultra-thin, low-power, high-brightness LED backlight LCD screen of the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the installation of a connection plate of an ultra-thin, low-power, high-brightness LED backlight liquid crystal screen.

[0018] In the figure: 1. display screen shell; 2. LCD screen glass; 3. composite brightness enhancement film; 4. brightness enhancement film; 5. diffusion film; 6. aluminum substrate; 7. reflective film; 8. LED lamp beads; 9. LCD layer; 10. light intensity collection module; 11. drive module; 12. thermal conductive layer; 13. central thermal conductive aluminum plate; 14. thermal conductive coating; 15. connecting plate. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is an ultra-thin, low-power, high-brightness LED backlight liquid crystal screen, comprising a display screen housing 1, wherein the interior of the display screen housing 1 is sequentially installed with a liquid crystal screen glass 2, a composite light-enhancing film 3, a light-enhancing film 4, a diffusion film 5 and an aluminum substrate 6 from the outside to the inside; the aluminum substrate 6 is provided with LED lamp beads 8; the liquid crystal screen glass 2 and the composite light-enhancing film 3 are provided with an LCD layer 9; the display screen housing 1 is also provided with a light intensity collection module 10 for collecting external light intensity; a driving module 11 for driving the LED lamp beads 8 to emit light is installed inside the display screen housing 1, and a control module 16 is also installed in the display screen housing, and the light intensity collection module 10, the driving module 11 and the control module 16 are connected; a reflective film 7 is provided on the surface of the aluminum substrate 6, and a heat-conducting layer 12 is provided between the back side of the aluminum substrate 6 and the back cover of the display screen housing 1. A composite brightness enhancement film 3, a brightness enhancement film 4, and a diffusion film 5 are arranged between the LCD layer 9 and the LED lamp beads 8, so that the light emitted by the LED lamp beads 8 is enhanced, thereby ensuring that the entire LCD screen has a high backlight brightness, wherein a reflective film 7 is arranged on the surface of the aluminum substrate 6 to further reflect the light emitted by the LED lamp beads 8, thereby improving the utilization rate of light, thereby improving the overall brightness, and a heat conductive layer 12 is arranged between the back side of the aluminum substrate 6 and the back cover of the display screen housing 1, so that the temperature generated by the LED lamp beads 8 when working is transferred to the display screen housing 1 through the aluminum substrate 6 and the heat conductive layer 12 for heat dissipation, thereby reducing the internal temperature and avoiding the internal temperature of the LCD screen being too high, which may easily damage the internal components.

[0021] The heat-conducting layer 12 includes a central heat-conducting aluminum plate 13 , and the outer walls on both sides of the central heat-conducting aluminum plate 13 are provided with heat-conducting coatings 14 to ensure that the heat-conducting layer 12 has a good heat-conducting effect.

[0022] The thermal conductive coating layer 14 is a thermal conductive silicone layer, which has a certain elasticity and can have a good contact surface with the aluminum substrate 6 and the display screen housing 1 .

[0023] The thickness of the thermal conductive coating 14 is 2-4 mm.

[0024] Wherein, connecting plates 15 are provided at both ends of the aluminum substrate 6 , and the connecting plates 15 are connected to the display housing 1 , thereby increasing the heat exchange area between the aluminum substrate 6 and the display housing 1 , thereby ensuring a good heat dissipation effect for the aluminum substrate 6 .

[0025] A thermal pad is provided between the connecting plate 15 and the display screen housing 1 , so as to ensure good heat transfer efficiency between the connecting plate 15 and the display screen housing 1 .

[0026] When working, this ultra-thin, low-power, high-brightness LED backlight LCD screen is provided with a composite brightness enhancement film 3, a brightness enhancement film 4, and a diffusion film 5 between the LCD layer 9 and the LED lamp beads 8, so that the light emitted by the LED lamp beads 8 is enhanced, thereby ensuring that the entire LCD screen has a high backlight brightness, wherein a reflective film 7 is provided on the surface of the aluminum substrate 6 to further reflect the light emitted by the LED lamp beads 8, thereby improving the utilization rate of light, thereby improving the overall brightness, and a heat-conducting layer 12 is provided between the back side of the aluminum substrate 6 and the back cover of the display screen housing 1, so that the temperature generated by the LED lamp beads 8 when working is transferred to the display screen housing 1 through the aluminum substrate 6 and the heat-conducting layer 12 for heat dissipation, thereby reducing the internal temperature and avoiding the internal temperature of the LCD screen being too high, which may easily damage the internal components.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An ultra-thin, low-power, high-brightness LED backlight liquid crystal screen, comprising a display screen housing (1), characterized in that: The interior of the display screen housing (1) is provided with a liquid crystal screen glass (2), a composite light-enhancing film (3), a light-enhancing film (4), a diffusion film (5) and an aluminum substrate (6) in sequence from the outside to the inside; the aluminum substrate (6) is provided with LED lamp beads (8); the liquid crystal screen glass (2) and the composite light-enhancing film (3) are provided with an LCD layer (9); the display screen housing (1) is also provided with a light intensity collection module (10) for collecting external light intensity; the interior of the display screen housing (1) is provided with a driving module (11) for driving the LED lamp beads (8) to emit light, and the display screen housing is also provided with a control module (16), and the light intensity collection module (10) and the driving module (11) are connected to the control module (16); the surface of the aluminum substrate (6) is provided with a reflective film (7), and a heat-conducting layer (12) is provided between the back side of the aluminum substrate (6) and the back cover of the display screen housing (1).

2. The ultra-thin, low-power, high-brightness LED backlight LCD screen according to claim 1, characterized in that: The heat-conducting layer (12) comprises a central heat-conducting aluminum plate (13), and outer walls on both sides of the central heat-conducting aluminum plate (13) are provided with heat-conducting coatings (14).

3. The ultra-thin, low-power, high-brightness LED backlight LCD screen according to claim 2, characterized in that: The thermally conductive coating (14) is a thermally conductive silica gel layer.

4. The ultra-thin, low-power, high-brightness LED backlight LCD screen according to claim 2, characterized in that: The thickness of the thermal conductive coating (14) is 2-4 mm.

5. The ultra-thin, low-power, high-brightness LED backlight LCD screen according to claim 1, characterized in that: Connecting plates (15) are provided at both ends of the aluminum substrate (6), and the connecting plates (15) are connected to the display screen housing (1).

6. The ultra-thin, low-power, high-brightness LED backlight LCD screen according to claim 5, characterized in that: A heat-conducting pad is provided between the connecting plate (15) and the display screen housing (1).

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