CN214174658U - Composite brightness enhancement film - Google Patents

Abstract

The utility model discloses a compound brightness enhancement film, including the board that is shaded, the light source is installed at the board top that is shaded, and is provided with the diffusion piece above the board that is shaded, diffusion piece bottom spraying has the blue light nanometer coating of preventing, and the diffusion piece top bonds and have horizontal prism, horizontal prism top is fixed in the base plate bottom, and the base plate top is fixed with vertical prism, vertical prism top bonds and has liquid crystal display panel. This compound brightness enhancement film, be provided with and prevent blue light nanometer coating, prevent the shortwave blue light in blue light nanometer coating absorbed light, play the effect of preventing the blue light, and prevent that blue light nanometer coating sets up between diffusion piece and backlight plate, avoid leading to this preventing blue light nanometer coating damage with external contact, the life that should prevent blue light nanometer coating has been prolonged, be provided with horizontal prism and vertical prism, this vertical prism of prism and horizontal prism's cooperation with original prism, very big reduction the processing degree of difficulty and processing cost, it has the practicality to use more.

Description

Composite brightness enhancement film

Technical Field

The utility model relates to a brightness enhancement film technical field specifically is a compound brightness enhancement film.

Background

The brightness enhancement film refers to a thin film or sheet applied in a TFT LCD backlight module for the purpose of improving the light emitting efficiency of the whole backlight system, and through a mass search, the conventional brightness enhancement film is typically found in patent numbers: CN201520089175.4, an optics compound brightness enhancement film, it includes the substrate rete, and substrate rete top is provided with the spotlight layer, and the effectual incident light with the electronic product screen gathers, reaches the visual effect of brightening, and this brightness enhancement film is the dull polish feel when using, and is just having anti-fingerprint effect in the same direction as smooth.

In summary, the existing blue light prevention structure of the brightness enhancement film is usually arranged on the outermost layer, so that the blue light prevention structure is often scratched, the failure of the blue light prevention structure is caused, the protection effect of the brightness enhancement film is influenced, the reflection angle of light rays of the existing brightness enhancement film is usually changed through a prism, but the prism structure is complex, the processing difficulty is high, the processing difficulty and the processing cost of the brightness enhancement film are greatly increased, and the existing equipment needs to be improved aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound brightness enhancement film to solve the current brightness enhancement film that proposes in the above-mentioned background art prevent that the blue light structure sets up at outmost usually, make should prevent that the blue light structure is often scraped, lead to this then to prevent the blue light structure inefficacy, influence this brightness enhancement film's protecting effect, and current brightness enhancement film changes the reflection angle of light through the prism usually, but the prism structure is complicated, the processing difficulty, very big increase this brightness enhancement film's the processing degree of difficulty and the problem of processing cost.

In order to achieve the above object, the utility model provides a following technical scheme: a composite brightness enhancement film comprises a backlight plate,

the backlight plate, the light source is installed at the backlight plate top, and is provided with the diffusion piece above the backlight plate, diffusion piece bottom spraying has the blue light nanometer coating of preventing, and diffusion piece top bonds and has horizontal prism, horizontal prism top is fixed in the base plate bottom, and the base plate top is fixed with vertical prism, vertical prism top bonds and has liquid crystal display panel.

Preferably, the light sources are uniformly arranged on the top of the backlight plate.

Preferably, the diffusion sheet and the transverse prisms and the longitudinal prisms and the liquid crystal panel are bonded through UV glue.

Preferably, the central lines of the transverse prisms are arranged transversely, and the central lines of the longitudinal prisms are arranged longitudinally.

Preferably, the longitudinal cross section of the transversal prism and the transversal cross section of the longitudinal prism are both triangular.

Preferably, the bottom of the substrate is uniformly fixed with the transverse prisms, and the top of the substrate is uniformly fixed with the longitudinal prisms.

Compared with the prior art, the beneficial effects of the utility model are that: the composite brightness enhancement film comprises a base film and a transparent protective layer,

(1) the anti-blue-light nano coating is sprayed on the bottom of the diffusion sheet, light rays emitted by a light source and light rays reflected by the backlight plate penetrate through the anti-blue-light nano coating and enter the diffusion sheet, the anti-blue-light nano coating absorbs short-wave blue light in the light rays and plays a role in preventing blue light, the anti-blue-light nano coating is arranged between the diffusion sheet and the backlight plate, the anti-blue-light nano coating is prevented from being damaged due to contact with the outside, and the service life of the anti-blue-light nano coating is prolonged;

(2) be provided with horizontal prism and vertical prism, vertical prism and horizontal prism are fixed both sides about the base plate respectively, and vertical prism and the cooperation of horizontal prism change all light direction that pass the diffusion piece, and the prism replacement that will be original is vertical prism and horizontal prism's cooperation, very big reduction the processing degree of difficulty and processing cost, use more have the practicality.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the exploded structure of the main view section of the present invention;

fig. 3 is a schematic top view of the longitudinal prism of the present invention;

fig. 4 is a schematic view of the bottom view structure of the horizontal prism of the present invention.

In the figure: 1. the backlight module comprises a backlight plate, 2, a light source, 3, a diffusion sheet, 4, a blue light prevention nano coating, 5, a transverse prism, 6, a substrate, 7, a longitudinal prism, 8 and a liquid crystal panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a composite brightness enhancement film is disclosed, as shown in figure 1, figure 2, figure 3 and figure 4, a light source 2 is arranged on the top of a backlight plate 1, a diffusion sheet 3 is arranged above the backlight plate 1, the light source 2 is uniformly arranged on the top of the backlight plate 1, light rays emitted by the light source 2 uniformly penetrate through the diffusion sheet 3, the diffusion sheet 3 and a transverse prism 5 as well as a longitudinal prism 7 and a liquid crystal panel 8 are bonded through UV glue, the diffusion sheet 3 and the transverse prism 5 as well as the longitudinal prism 7 and the liquid crystal panel 8 are bonded and fastened through the UV glue, meanwhile, the high-transmittance UV glue reduces light loss, a blue light-proof nano coating 4 is sprayed on the bottom of the diffusion sheet 3, a transverse prism 5 is bonded on the top of the diffusion sheet 3, the central line of the transverse prism 5 is transversely arranged, the central line of the longitudinal prism 7 is longitudinally arranged, the transverse prism 5 and the longitudinal prism 7 are matched to change angles of all light rays passing through the diffusion sheet 3, the longitudinal cross section of the transverse prism 5 and the transverse cross section of the longitudinal prism 7 are triangular, the longitudinal prism 7 and the transverse prism 5 are matched to enable light rays passing through the diffusion sheet 3 to be emitted in the specified direction, the top of the transverse prism 5 is fixed to the bottom of the substrate 6, the longitudinal prism 7 is fixed to the top of the substrate 6, the transverse prism 5 is uniformly fixed to the bottom of the substrate 6, the longitudinal prism 7 is uniformly fixed to the top of the substrate 6, the light ray angle is changed through the matching of the transverse prism 5 and the longitudinal prism 7, the processing difficulty is reduced, and the liquid crystal panel 8 is bonded to the top of the longitudinal prism 7.

The working principle is as follows: when the composite brightness enhancement film is used, an external power supply is firstly switched on, the light source 2 is started, the light source 2 emits light, part of the light contacts the backlight plate 1 and is reflected by the backlight plate 1, all the light enters the diffusion sheet 3 through the blue light prevention nano coating 4, the blue light prevention nano coating 4 absorbs short-wave blue light in the light and plays a role in protecting eyes of a user, the blue light prevention nano coating 4 is arranged between the diffusion sheet 3 and the backlight plate 1, direct contact with the outside is avoided, the damage probability of the blue light prevention nano coating 4 is reduced, the service life of the blue light prevention nano coating 4 is prolonged, the light passing through the diffusion sheet 3 enters the transverse prism 5 and the longitudinal prism 7, the transverse prism 5 and the longitudinal prism 7 are matched to change the emitting direction of the light, part of the light enters the liquid crystal panel 8 along a designated angle, and the rest of the light is reflected to the backlight plate 1 by the transverse prism 5 and the longitudinal prism 7, then the light is reflected by the backlight plate 1 to enter the transverse prism 5 and the longitudinal prism 7, the transverse prism 5 and the longitudinal prism 7 are matched to replace the prisms, the processing difficulty and the processing cost are reduced, the practicability is higher when the backlight module is used, the whole work is completed through the light display picture with the color adjusted by the liquid crystal panel 8, and the content which is not described in detail in the specification belongs to the prior art known by professionals in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A composite brightness enhancement film comprises a backlight plate (1), and is characterized in that:

backlight (1), light source (2) are installed at backlight (1) top, and are provided with diffusion piece (3) above backlight (1), diffusion piece (3) bottom spraying has and prevents blue light nanometer coating (4), and diffusion piece (3) top bonds and have horizontal prism (5), horizontal prism (5) top is fixed in base plate (6) bottom, and base plate (6) top is fixed with vertical prism (7), vertical prism (7) top bonds and has liquid crystal display panel (8).

2. The composite brightness enhancing film according to claim 1, wherein: the light sources (2) are uniformly arranged on the top of the backlight plate (1).

3. The composite brightness enhancing film according to claim 1, wherein: and the diffusion sheet (3) is bonded with the transverse prism (5) and the longitudinal prism (7) is bonded with the liquid crystal panel (8) through UV glue.

4. The composite brightness enhancing film according to claim 1, wherein: the central lines of the transverse prisms (5) are transversely arranged, and the central lines of the longitudinal prisms (7) are longitudinally arranged.

5. The composite brightness enhancing film according to claim 1, wherein: the longitudinal cross section of the transverse prism (5) and the transverse cross section of the longitudinal prism (7) are both triangular.

6. The composite brightness enhancing film according to claim 1, wherein: the bottom of the base plate (6) is uniformly fixed with a transverse prism (5), and the top of the base plate (6) is uniformly fixed with a longitudinal prism (7).

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