CN219758617U

CN219758617U - Backlight display module for optimizing and improving R-angle light efficiency

Info

Publication number: CN219758617U
Application number: CN202320564380.6U
Authority: CN
Inventors: 魏玲枫; 张少展
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-09-26
Anticipated expiration: 2033-03-20

Abstract

The utility model provides a backlight display module for optimizing and improving R-angle light efficiency, which comprises a backlight main body, wherein a light guide plate is arranged on the backlight main body, a main light source part positioned below the light guide plate is arranged on the backlight main body, and R-angle light sources are arranged at two R-angle positions at the bottom of the backlight main body. According to the utility model, the R-angle light source is arranged, so that the light source can be provided at the R-angle of the backlight main body, and the light effect at the R-angle can be kept consistent with the overall light effect through the mutual matching of the R-angle light source and the main light source, thereby improving the display effect and being beneficial to use.

Description

Backlight display module for optimizing and improving R-angle light efficiency

Technical Field

The utility model relates to the technical field of backlight display modules, in particular to a backlight display module capable of optimizing and improving R-angle light efficiency.

Background

Along with the iterative upgrading of the mobile phone display screen, the existing screen is not like the early four directions, but has an R angle and an radian, the aesthetic feeling of the display screen is improved, better experience is brought to consumers, the screen is made into the R angle, and the difficulty is brought to the light effect adjustment of the backlight module at the R angle.

Chinese utility model patent: CN201920260346.3 discloses a diffusion film, a backlight module and a liquid crystal display module, comprising: the diffusion film comprises a diffusion film body 1, wherein a part of the diffusion film body 1, which is close to a backlight source 5, is a light source end 11, a part of the diffusion film body, which is far away from the backlight source 5, is a tail 12, a microstructure area (not labeled) is formed on the surface of the tail 12, a plurality of shading microstructures 3 are arranged in the microstructure area, and the microstructure area is located in a shading adhesive 2 coverage area and a VA area. The density of the shading microstructure 3 in the microstructure area gradually becomes smaller from the edge position of the diffusion film body to the VA area; the distance between the edge of the VA area and the edge of the shading adhesive 2 is 1.0 mm-1.5 mm. The diffusion film body 1 is provided with a U-groove and an R-angle, and the density of the light shielding microstructure 2 at the R-angle gradually increases from near to far along the R-angle according to the distance from the light source end 11.

As can be seen from fig. 3, the above patent does not provide a light source at the R-angle, and in the use process, the light efficiency at the R-angle is inconsistent with the light efficiency across the entire surface, thereby affecting the display effect.

Therefore, we improve this, and propose a backlight display module for optimizing and improving the R-angle light efficiency.

Disclosure of Invention

The utility model aims at: aiming at the problem that no light source is arranged at the existing R angle, in the use process, inconsistent conditions are easy to appear between the R angle light effect and the whole surface light effect, thereby influencing the display effect.

In order to achieve the above object, the present utility model provides the following technical solutions:

and the backlight display module for optimizing and improving the R angle light effect is used for improving the problems.

The utility model is specifically as follows:

the LED backlight module comprises a backlight main body, wherein a light guide plate is arranged on the backlight main body, a main light source part positioned below the light guide plate is arranged on the backlight main body, and R angle light sources are arranged at two R angles of the bottom of the backlight main body.

The R-angle light source is driven by constant current, the driving current range is adjustable, the adjusting range is 5mA-25mA/LED, and the current can be adjusted according to the brightness of the actual R-angle light effect of the backlight module, so that the R-angle and the whole surface light effect are consistent.

As a preferred implementation mode of the backlight display module for optimizing and improving R-angle light efficiency, the main light source part and the R-angle light source are composed of a plurality of first LED lamps, and the first LED lamps are sequentially arranged on the backlight main body.

As a preferred implementation mode of the backlight display module for optimizing and improving the R-angle light efficiency, two first LED lamps positioned at two sides are obliquely arranged, the two obliquely arranged first LED lamps are positioned at two R-angles at the bottom of a backlight main body, and the two obliquely arranged first LED lamps form an R-angle light source;

the first LED lamps in the middle are horizontally arranged, and form a main light source part.

As a preferred embodiment of the backlight display module for optimizing and improving the R-angle light efficiency, the main light source part comprises a plurality of first LED lamps, and the first LED lamps are arranged on the backlight main body.

As a preferred implementation mode of the backlight display module for optimizing and improving the R-angle light efficiency, the utility model further comprises a first flexible circuit board arranged on the backlight main body, wherein a plurality of the first LED lamps are equally divided into two groups, the first LED lamps in each group are connected in series, and the two groups of the first LED lamps are connected in parallel and connected with the first flexible circuit board.

As a preferred embodiment of the backlight display module for optimizing and improving the R-angle light efficiency, the R-angle light source comprises two second LED lamps, and the two second LED lamps are obliquely arranged at one R-angle at the bottom of the backlight main body.

As a preferred embodiment of the backlight display module for optimizing and improving the R-angle light efficiency, the R-angle light source further comprises two third LED lamps, wherein the two third LED lamps are obliquely arranged at the other R-angle of the bottom of the backlight main body, and the sizes of the second LED lamps and the third LED lamps are smaller than that of the first LED lamps.

As an optimal implementation mode of the backlight display module for optimizing and improving the R-angle light efficiency, two second LED lamps are arranged in parallel, and two third LED lamps are arranged in parallel.

As an optimal implementation mode of the backlight display module for optimizing and improving the R-angle light efficiency, the two second LED lamps are vertically arranged, and the two third LED lamps are vertically arranged.

As a preferred implementation mode of the backlight display module for optimizing and improving the R-angle light efficiency, the utility model further comprises a second flexible circuit board arranged on the backlight main body, two second LED lamps are connected in series, two third LED lamps are connected in series, and the second LED lamps and the third LED lamps are connected in parallel and are connected with the second flexible circuit board.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the utility model:

through the R angle light source that sets up, R angle light source can provide the light source in the R angle department of backlight unit, through the mutual cooperation of R angle light source and main light source portion, can make the light efficiency of R angle department keep unanimous with holistic light efficiency, improves the display effect, does benefit to the use.

Drawings

FIG. 1 is a schematic diagram of a backlight display module for optimizing and improving R-angle light efficiency according to the present utility model;

FIG. 2 is a schematic diagram of a backlight display module for optimizing and improving R-angle light efficiency according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the backlight module shown in FIG. 2A for optimizing and improving the R-angle light efficiency according to the present utility model;

FIG. 4 is a schematic diagram of a backlight display module for optimizing and improving R-angle light efficiency according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the backlight module shown in FIG. 2 for optimizing and improving the R-angle light efficiency according to the present utility model;

fig. 6 is a schematic circuit connection diagram of a first LED lamp of a backlight display module for optimizing and improving R-angle light efficiency according to the present utility model;

fig. 7 is a schematic circuit connection diagram of a second LED lamp and a third LED lamp of the backlight display module for optimizing and improving R-angle light efficiency according to the present utility model.

The figures indicate:

1. a backlight main body;

2. a first flexible circuit board;

32. a first LED lamp; 33. a second LED lamp; 34. a third LED lamp;

4. a light guide plate;

5. and a second flexible circuit board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. 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.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As described in the background art, the display module in the prior art is not provided with a light source at the R angle, and in the use process, the light efficiency at the R angle and the entire light efficiency are easy to be inconsistent, so that the display effect is affected.

In order to solve the technical problem, the utility model provides a backlight display module for optimizing and improving the R-angle light efficiency, which is applied to improving the display light efficiency at the R-angle.

Specifically, referring to fig. 1 to 5, a backlight display module for optimizing and improving R-angle light efficiency specifically includes: the backlight main body 1, be provided with light guide plate 4 on the backlight main body 1, be provided with the main light source portion that is located light guide plate 4 below on the backlight main body 1, two R angle departments of backlight main body 1 bottom are provided with the R angle light source.

According to the backlight display module for optimizing and improving the R-angle light efficiency, the R-angle light source is arranged, the R-angle light source can provide a light source at the R-angle of the backlight main body 1, and the light efficiency at the R-angle can be consistent with the overall light efficiency through the mutual matching of the R-angle light source and the main light source part, so that the display effect is improved, and the backlight display module is beneficial to use.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1, 2 and 4, a backlight display module for optimizing and improving R-angle light efficiency includes a backlight main body 1, a light guide plate 4 is disposed on the backlight main body 1, a main light source portion disposed below the light guide plate 4 is disposed on the backlight main body 1, and R-angle light sources are disposed at two R-angles of the bottom of the backlight main body 1.

The optimization that this embodiment provided improves the backlight display module of R angle light efficiency, and R angle light source can provide the light source in the R angle department of backlight main part 1, through the mutual cooperation of R angle light source and main light source portion, can make the light efficiency of R angle department keep unanimous with holistic light efficiency, improves the display effect, does benefit to the use.

Example 2

The backlight display module for optimizing and improving R-angle light efficiency provided in embodiment 1 is further optimized, specifically, as shown in fig. 1 and 6, the main light source portion and the R-angle light source are composed of a plurality of first LED lamps 32, and the plurality of first LED lamps 32 are sequentially disposed on the backlight main body 1.

The two first LED lamps 32 positioned at two sides are obliquely arranged, the two obliquely arranged first LED lamps 32 are positioned at two R angles at the bottom of the backlight main body 1, and the two obliquely arranged first LED lamps 32 form an R angle light source, so that the two first LED lamps can be matched with the main light source part, the light efficiency at the R angle can be consistent with the overall light efficiency, the display effect is improved, and the backlight main body is beneficial to use;

the first LED lamps 32 positioned in the middle are horizontally arranged, and the first LED lamps 32 positioned in the middle form a main light source portion.

The backlight module further comprises a first flexible circuit board 2 arranged on the backlight main body 1, a plurality of first LED lamps 32 are equally divided into two groups, the first LED lamps 32 in each group are connected in series, and the two groups of first LED lamps 32 are connected in parallel and connected with the first flexible circuit board 2.

Through above-mentioned structural design, can be under the prerequisite that does not change original first LED lamp 32 quantity, set up and remove to R angle department with the slope of two first LED lamps 32 that are located both sides, provide the light source for R angle, can reduce cost, do benefit to the use.

Example 3

As shown in fig. 2-5, the main light source portion includes a plurality of first LED lamps 32, and the plurality of first LED lamps 32 are all disposed on the backlight main body 1.

The R-angle light source includes two second LED lamps 33, and both the second LED lamps 33 are obliquely disposed at one of R-angles at the bottom of the backlight body 1.

The R-angle light source further comprises two third LED lamps 34, wherein the two third LED lamps 34 are obliquely arranged at the other R-angle of the bottom of the backlight main body 1, and the sizes of the second LED lamps 33 and the third LED lamps 34 are smaller than the size of the first LED lamp 32.

Through setting up little specification second LED lamp 33 and third LED lamp 34 to the R angle, can replace former to the light guide plate 4 repair mould improve R angle light efficiency, improved optimizing efficiency, more reliable and stable simultaneously.

Example 4

The backlight display module for optimizing and improving R-angle light efficiency provided in embodiment 3 is further optimized, as shown in fig. 2 and 3, two second LED lamps 33 are disposed in parallel, and two third LED lamps 34 are disposed in parallel.

Example 5

The backlight display module for optimizing and improving R-angle light efficiency provided in embodiment 3 is further optimized, as shown in fig. 4 and 5, two second LED lamps 33 are vertically disposed, and two third LED lamps 34 are vertically disposed.

Example 6

The backlight display module for optimizing and improving R-angle light efficiency according to the above embodiments is further optimized, as shown in fig. 7, and further includes a second flexible circuit board 5 disposed on the backlight main body 1, two second LED lamps 33 are connected in series, two third LED lamps 34 are connected in series, and the second LED lamps 33 and the third LED lamps 34 are connected in parallel and connected with the second flexible circuit board 5.

The flexible circuit board is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has the characteristics of high reliability, light weight, thin thickness and good bending property, and the flexible circuit board mainly comprises an insulating film, a conductor and an adhesive, wherein the insulating film forms a base layer of a circuit, and the conductor is adhered to the insulating film by the adhesive;

there are many kinds of insulating film materials, but most commonly polyimide and polyester materials, polyimide insulating films are usually combined with polyimide or acrylic adhesives, polyester insulating materials are usually combined with polyester adhesives to have the advantages of the same materials, and after dry welding or after multiple lamination cycle operations, can have dimensional stability, and other important characteristics in adhesives are lower dielectric constant, higher insulation resistance, high glass transition temperature and low moisture absorption;

the copper foil is adopted as a conductor, the copper foil is electrodeposited or plated, one side surface of the electrodeposited copper foil has luster, the other side processed surface is dull and matt, and the copper foil is a flexible material and can be manufactured into various thicknesses and widths;

in addition to the use of an adhesive to adhere an insulating film to a conductive material, it can also be used as a cover layer, as a protective coating, and as a coverlay coating, the main difference between the two being the manner of application used, the cover layer adhering the cover insulating film to form a circuit of laminated construction, and the cover coating of the adhesive using screen printing techniques.

Specifically, this optimize the backlight unit who improves R angle light efficiency, through the R angle light source that sets up, R angle light source can provide the light source in the R angle department of backlight unit 1, through the mutual cooperation of R angle light source and main light source portion, can make the light efficiency of R angle department keep unanimous with holistic light efficiency, improves the display effect, does benefit to the use.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model provides an optimize and improve backlight display module assembly of R angle light efficiency, includes backlight main body (1), be provided with light guide plate (4) on backlight main body (1), its characterized in that is provided with the main light source portion that is located light guide plate (4) below on backlight main body (1), two R angle departments of backlight main body (1) bottom are provided with R angle light source.

2. The backlight display module for optimizing and improving the R-angle light effect according to claim 1, wherein the main light source part and the R-angle light source are composed of a plurality of first LED lamps (32), and the plurality of first LED lamps (32) are sequentially arranged on the backlight main body (1).

3. A backlight display module for optimizing and improving R-angle light efficiency according to claim 2, wherein two first LED lamps (32) on two sides are arranged in an inclined manner, the two first LED lamps (32) are positioned at two R-angles at the bottom of the backlight main body (1), and the two first LED lamps (32) are arranged in an inclined manner to form an R-angle light source;

the first LED lamps (32) in the middle are horizontally arranged, and the first LED lamps (32) in the middle form a main light source part.

4. A backlight display module for optimizing and improving R-angle light efficiency according to claim 1, wherein the main light source portion comprises a plurality of first LED lamps (32), and the plurality of first LED lamps (32) are all disposed on the backlight main body (1).

5. A backlight display module for optimizing and improving R-angle light efficiency according to claim 3 or 4, further comprising a first flexible circuit board (2) arranged on the backlight main body (1), wherein the plurality of first LED lamps (32) are equally divided into two groups, the first LED lamps (32) in each group are connected in series, and the two groups of first LED lamps (32) are connected in parallel and connected with the first flexible circuit board (2).

6. A backlight display module for optimizing and improving R-angle light efficiency according to claim 5, wherein said R-angle light source comprises two second LED lamps (33), and both of said second LED lamps (33) are obliquely arranged at one of R-angles at the bottom of the backlight main body (1).

7. A backlight display module for optimizing and improving R-angle light efficiency according to claim 6, wherein the R-angle light source further comprises two third LED lamps (34), the two third LED lamps (34) are each arranged at another R-angle of the bottom of the backlight main body (1) in an inclined manner, and the sizes of the second LED lamps (33) and the third LED lamps (34) are smaller than the size of the first LED lamp (32).

8. A backlight display module for optimizing and improving R-angle light efficiency according to claim 7, wherein two of the second LED lamps (33) are arranged in parallel, and two of the third LED lamps (34) are arranged in parallel.

9. A backlight display module for optimizing and improving R-angle light efficiency according to claim 7, wherein two of said second LED lamps (33) are vertically disposed, and two of said third LED lamps (34) are vertically disposed.

10. A backlight display module for optimizing and improving R-angle light effect according to claim 9, further comprising a second flexible circuit board (5) arranged on the backlight main body (1), wherein two second LED lamps (33) are connected in series, two third LED lamps (34) are connected in series, and the second LED lamps (33) and the third LED lamps (34) are connected in parallel and connected with the second flexible circuit board (5).