CN211856964U

CN211856964U - Flexible uniform light source body

Info

Publication number: CN211856964U
Application number: CN201922311495.0U
Authority: CN
Inventors: 席梦; 陈子; 姚斌; 李丹奇
Original assignee: Changzhou Tianlu Display Technology Co ltd
Current assignee: Changzhou Tianlu Display Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-11-03
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a flexible even light source body belongs to liquid crystal display technical field. The flexible light guide comprises a flexible light guide body, a reflecting layer and a light emitting source, wherein the reflecting layer is covered on the surface of the flexible light guide body in a half mode, the light emitting source is connected to the end portion of the flexible light guide body, and lattice points are further arranged on the inner surface, in contact with the flexible light guide body, of the reflecting layer. According to the inspiration of the deformation characteristic of the flexible light guide plate, the use of particles is reduced on the basis of uniform light guide, so that the cost is saved and the waste of resources is reduced; the small-size backlight module can meet the light emitting requirement of the whole module by adopting one LED, and simultaneously, the problem of bright and dark areas caused by the arrangement of a plurality of particles is avoided; the large-size backlight module can emit light for double-end particles, or adopts a high-brightness LED according to optical requirements, so that the picture and optical requirements of the large-size module are met, the use of the particles is reduced, the problem of uneven brightness of the picture caused by more particles is solved, and the cost and the resource are saved better.

Description

Flexible uniform light source body

Technical Field

The utility model relates to a flexible even light source body belongs to liquid crystal display technical field.

Background

Referring to fig. 1, in the field of LCD liquid crystal displays, since LCDs are not self-luminous, an additional light source is required to emit light, which is called a backlight source in our industry. The light emitted by the backlight source is totally reflected by the light emitting diode and then passes through the light guide plate, and then the light is gained and homogenized by using optical materials with different frameworks according to different optical requirements, so that the whole display picture is uniform. The invention utilizes the principle of the deformation characteristic of the flexible light guide plate, can achieve the original light-emitting effect and increase the deformation characteristic of the light source on the basis of saving the using quantity of LEDs and improving the light utilization rate, and can also greatly reduce the common Hot-spot, light leakage and other picture problems in the industry.

Referring to fig. 2, with the development of industry, many flexible light guide plates are also available at present, many customers can develop curved screens according to the aesthetic requirements of the people, and the small-sized curved screens can be satisfied according to the existing luminous source structure, but the poor pictures are endless and cannot be avoided; however, although the large-sized curved panel can adopt a double-side light-emitting source structure, the number of particles is greatly increased, so that the overall cost is increased suddenly.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a flexible and uniform light source body, which has industrial application value.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a flexible even light source body. According to the inspiration of the deformation characteristic of the flexible light guide plate, the use of particles is reduced on the basis of uniform light guide, so that the cost is saved and the waste of resources is reduced; the small-size backlight module can meet the light emitting requirement of the whole module by adopting one LED, and simultaneously, the problem of bright and dark areas caused by the arrangement of a plurality of particles is avoided; the large-size backlight module can emit light for double-end particles, or adopts a high-brightness LED according to optical requirements, so that the picture and optical requirements of the large-size module are met, the use of the particles is reduced, the problem of uneven brightness of the picture caused by more particles is solved, and the cost and the resource are saved better.

The utility model discloses a flexible even light source body contains a major structure, the major structure contains a flexible light conductor, and half covers the reflection stratum on flexible light conductor surface and the light emitting source of connection at flexible light conductor tip, still be equipped with the site on the internal surface of reflection stratum and flexible light conductor contact.

Further, the flexible light guide body is made of one or more materials of acrylic, polycarbonate, polymethyl methacrylate and styrene-methyl methacrylate copolymer resin.

Further, the flexible light guide body can be made into any shape.

Further, the reflecting layer is made of a silver or white polycarbonate silica gel material.

Furthermore, the reflecting layer can be formed by covering and connecting injection molding type silver or white polycarbonate silica gel lamp shells, and can also be directly formed by spraying silver or white polycarbonate silica gel.

Further, the light emitting source is connected to one end or both ends of the flexible light guide body.

Furthermore, the connection mode of the end part of the flexible light guide body and the light source is optical cement connection or clamping connection.

Further, the shape of the mesh point is a circle or a polygon.

Furthermore, the positions of the dots close to the light source are small and sparse in size, and the positions far away from the light source are large and compact in size.

By the scheme, the invention at least has the following advantages:

1. the utility model reduces the use of particles on the basis of uniform light guiding according to the inspiration of the deformation characteristic of the flexible light guide plate, thereby saving the cost and reducing the waste of resources;

2. the small-sized backlight module applied by the flexible uniform light source of the utility model can realize the light-emitting requirement of the whole module by adopting one LED, and simultaneously, the problem of bright and dark areas caused by the arrangement of a plurality of particles is avoided;

3. the utility model discloses the jumbo size backlight unit that flexible even light source body was used can multiplicable be double-ended granule luminous, or adopts high brightness LED to the optics demand to realize the picture and the optics requirement of jumbo size module, both reduced the use of granule from this and also reduced the uneven problem of the bright dark of picture that causes because the granule is many, realized the saving of cost and resource better.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a conventional LED luminary;

FIG. 2 is a schematic diagram of a conventional LED luminary;

FIG. 3 illustrates a conventional light source structure of a curved panel;

fig. 4 is an installation schematic diagram of the flexible uniform light source body of the present invention;

fig. 5 is a three-dimensional structure view of the flexible uniform light source body of the present invention;

fig. 6 is a side view of the flexible uniform light source body of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 4 to 6, a preferred embodiment of the present invention provides a flexible uniform light source body, which comprises a main structure, the main structure comprises a flexible light guide body 1, a reflective layer 2 covering the surface of the flexible light guide body 1, and a light source 3 connected to the end of the flexible light guide body 1, wherein a mesh point 4 is further disposed on the inner surface of the reflective layer 2 contacting the flexible light guide body 1.

In practical application, the light emitted by the light emitting source 3 is uniformly presented on the light emitting side under the action of the mesh points 4 according to the total reflection action of the flexible light guide body 1, and the action of the invention is realized under the combination of the flexible design and the light emitting homogenization design of the main body. The flexible light guide body 1 can be made into different shapes according to specific design requirements; the flexible light guide body 1 is made of one or more materials of acrylic, polycarbonate, polymethyl methacrylate and styrene-methyl methacrylate copolymer resin. The reflecting layer 2 is made of a silver or white polycarbonate silica gel material. The reflecting layer 2 can be formed by covering and connecting injection molding type silver or white polycarbonate silica gel lamp shells, and can also be formed by directly spraying silver or white polycarbonate silica gel. The specific placement of the light emitting sources 3 may be determined according to the specific design profile.

The light emitted from the light emitting source 3 can be totally reflected in the flexible light guide 1, and reflected and refracted according to the mesh points 4 on the side wall of the flexible light guide 1, and the light emitted from the mesh points 4 can be reflected into the light guide by the reflecting layer 2, and then reflected for the second time. The utility model discloses the homogeneity on flexible even light source body surface is the same with the design of the light guide plate site in the present industrial chain, makes the light emitting area light-emitting of whole light conductor even.

The light emitting source 3 is connected to one end or both ends of the flexible light guide body 1. The connection mode that flexible light conductor 1 tip and light emitting source 3 are connected is optical cement connection or joint. The shape of the mesh points 4 is circular or polygonal. The positions of the mesh points 4 close to the light source are small and sparse in size, and the positions far away from the light source are large and compact in size.

The working principle of the utility model is as follows:

the invention relates to a novel flexible uniform light source body, which enables light to be uniformly presented on a light-emitting side under the action of a mesh point according to the total reflection action of a light guide body, and realizes the action of the invention under the combination of the flexible design and the light-emitting uniform design of a main body. Meanwhile, according to the inspiration of the deformation characteristic of the flexible light guide plate, the use of particles is reduced on the basis of uniform light guide, so that the cost is saved and the waste of resources is reduced; the small-size backlight module can meet the light emitting requirement of the whole module by adopting one LED, and simultaneously, the problem of bright and dark areas caused by the arrangement of a plurality of particles is avoided; the large-size backlight module can emit light for double-end particles, or adopts a high-brightness LED according to optical requirements, so that the picture and optical requirements of the large-size module are met, the use of the particles is reduced, the problem of uneven brightness of the picture caused by more particles is solved, and the cost and the resource are saved better.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A flexible uniform light source body comprises a main body structure, and is characterized in that: the main body structure comprises a flexible light guide body (1), a reflecting layer (2) which is covered on the surface of the flexible light guide body (1) in a half way and a light emitting source (3) which is connected to the end part of the flexible light guide body (1), wherein a mesh point (4) is also arranged on the inner surface of the reflecting layer (2) which is contacted with the flexible light guide body (1).

2. A flexible uniform light source body as claimed in claim 1 wherein: the flexible light guide body (1) can be made into any shape.

3. A flexible uniform light source body as claimed in claim 1 wherein: the reflecting layer (2) is made of a silver or white polycarbonate silica gel material.

4. A flexible uniform light source body as claimed in claim 1 wherein: the reflecting layer (2) can be formed by covering and connecting injection molding type silver or white polycarbonate silica gel lamp shells, and can also be formed by directly spraying silver or white polycarbonate silica gel.

5. A flexible uniform light source body as claimed in claim 1 wherein: the luminous source (3) is connected to one end or two ends of the flexible light guide body (1).

6. A flexible uniform light source body as claimed in claim 1 wherein: the connection mode that flexible light conductor (1) tip and light emitting source (3) are connected is optical cement connection or joint.

7. A flexible uniform light source body as claimed in claim 1 wherein: the shape of the mesh points (4) is circular or polygonal.

8. A flexible uniform light source body as claimed in claim 1 wherein: the mesh points (4) are small and sparse in size at the positions close to the light source and large and compact in size at the positions far away from the light source.