CN211786491U - Side reflector plate, backlight module and display device thereof - Google Patents
Side reflector plate, backlight module and display device thereof Download PDFInfo
- Publication number
- CN211786491U CN211786491U CN201921356451.3U CN201921356451U CN211786491U CN 211786491 U CN211786491 U CN 211786491U CN 201921356451 U CN201921356451 U CN 201921356451U CN 211786491 U CN211786491 U CN 211786491U
- Authority
- CN
- China
- Prior art keywords
- blue light
- layer
- light
- light conversion
- reflective sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model provides a side reflector plate, backlight unit and display device thereof, wherein the side reflector plate is including reflecting the substrate layer to and be used for converting the blue light into the blue light conversion glue film of white light, blue light conversion glue film sets up on the reflecting the substrate layer. The problem that the existing tension of the attached blue light protection film is not easy to control and the attached tension easily pulls the optical diaphragm to cause the wrinkle deformation of the optical diaphragm is solved by the side reflector plate integrating reflection and blue light conversion.
Description
Technical Field
The utility model relates to a display screen equipment field especially relates to a side reflector plate, backlight unit and display device thereof.
Background
In order to achieve the optimal light efficiency utilization effect of the side-entry backlight module, the non-incident light side end face of an optical component LGP (light guide plate) of the conventional side-entry backlight module is required to be processed and attached with a side reflector plate with a certain reflectivity, the currently used side reflector plate mainly uses a white substrate or a silver substrate as a reflecting layer, the reflecting surface of the reflecting substrate is processed with a transparent adhesive layer with a certain thickness, and the adhesive layer is attached to the non-incident light end face of the light guide plate, so that the optimal light efficiency utilization of the side-entry backlight module is achieved. With the development of display technology and the increasing demand of consumer groups, ultra-thin quantum dot models with ultra-narrow frames or no frames have become mainstream, in such quantum dot model products, the backlight module has the problem of blue edge leakage at the edge, and when the BM area of the liquid crystal glass (the black edge area of the liquid crystal screen) is greater than or equal to 7mm, the blue edge leakage problem can improve the quality and the visual effect of blue light leakage by additionally attaching a blue light conversion film with a certain width (greater than or equal to 3mm) to the edge of the optical film.
The BM area design of the liquid crystal glass is about 5mm at present, and the BM area value is smaller, the smaller the AA area (effective display area of a liquid crystal screen) value of the liquid crystal glass at the edge of the membrane is (about 2 mm), the product still adopts the mode of attaching the blue light conversion film at the edge of the membrane in the previous stage, then in order to meet the overall visual effect quality, the width of the blue light conversion film needs to be designed to be about 1.5mm, and the blue light conversion film is a soft film polyethylene terephthalate (PET) layer with the thickness of only 0.1mm (too thick will influence the ultra-thin structure design space of the product), and attaching the blue light conversion film in a small width range can make it difficult to realize attaching accurate alignment, and the tension of the attached blue light protection film is not easy to control, and the attached tension easily pulls the optical membrane to cause the wrinkle deformation of the optical membrane.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a side reflector plate, LCD screen and display device thereof, aim at solving the tension of current through attached blue light protection film through having reflection and blue light conversion integrative side reflector plate and be wayward, attached tension very easily drags the optics diaphragm and leads to the cockling of optics diaphragm to play the deformation defect.
The utility model provides a technical scheme that technical problem adopted as follows:
the utility model provides a side reflector plate, is including reflecting the substrate layer to and be used for converting the blue light into the blue light conversion glue film of white light, blue light conversion glue film sets up on the reflecting the substrate layer.
Further, the blue light conversion glue layer comprises a blue light conversion functional material and an acrylic resin material;
wherein the blue light conversion functional material comprises a fluorescent material or/and a quantum dot material.
Further, the fluorescent material is yellow fluorescent powder;
the quantum dot material is a red light-green light quantum dot.
Further, the terephthalic acid plastic substrate layer is arranged between the reflection substrate layer and the blue light conversion glue layer.
Further, the attached layer of reflection substrate sets up the reflection substrate layer and between the polyterephthalic acid class plastics substrate layer.
Further, the reflective substrate attachment layer includes an acrylic resin material;
further, the reflecting substrate attaching layer also comprises yellow fluorescent powder or/and red light-green light quantum dots.
Further, the thickness of the reflecting substrate layer is 80-150 micrometers;
the thickness of the blue light conversion glue layer is 15-50 microns.
A backlight module includes: the light guide plate comprises a light incident surface, a light emergent surface and a plurality of side surfaces; the light emitting piece is arranged on the light incident surface of the light guide plate; as described above, the side reflective sheet is attached to at least one of the side surfaces of the light guide plate.
A display device, wherein: comprising the backlight module.
The beneficial effect who adopts above-mentioned scheme is: the utility model provides a side reflector plate, backlight unit and display device thereof, through having the integrative side reflector plate of reflection and blue light conversion, blue light conversion glue film solves the blue limit problem of ultra-thin super narrow frame model side hourglass, be formed with the side reflector plate of certain thickness through blue light conversion glue film and reflection substrate layer, when attached on the non-income light terminal surface of optics diaphragm (light guide plate), can form the support mutually with the optics diaphragm, the difficult accurate counterpoint that traditional mantle PET layer blue light dress trades the attached diaphragm edge of membrane and leads to has been solved, tensile tension pulls the optics diaphragm and the problem that the cockle that leads to the optics diaphragm warp. And the technical process of attaching the PET layer blue light film replacement is omitted, and the problems of poor adhesion, high cost and the like are avoided. A design blue light conversion function is added on the traditional side reflector plate, the product design space is released, and the problem of structural space caused by the fact that a blue light conversion film is additionally attached to a PET layer is not needed to be considered. Corresponding processing technology cost expense reduces, compares and pastes the blue light conversion coating in addition, and the side reflector plate that this scheme provided is equivalent to traditional side reflector plate processing and attaches, need not additionally to increase production processes, further practices thrift the cost.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of a side reflector of the present invention.
Fig. 2 is a cross-sectional view of a second embodiment of a side reflector of the present invention.
Fig. 3 is a cross-sectional view of a third embodiment of a side reflector of the present invention.
Fig. 4 is a schematic structural diagram of a backlight module according to the present invention.
In the figure: 100. a reflective substrate layer; 200. a blue light conversion glue layer; 210. a reflective substrate attachment layer; 220. A PET substrate layer; 300. a light guide plate; 400. a light emitting member; 500. side reflective sheets.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a cross-sectional view of a first embodiment of a side reflector of the present invention; fig. 2 is a cross-sectional view of a second embodiment of a side reflector of the present invention; fig. 3 is a cross-sectional view of a third embodiment of a side reflector of the present invention; fig. 4 is a schematic structural diagram of a backlight module according to the present invention.
As shown in fig. 1, an embodiment of the present invention provides a side reflective sheet, which includes a reflective substrate layer 100 and a blue light conversion glue layer 200. The reflection substrate layer 100 is mainly a reflection layer mainly made of a white substrate or a silver substrate, and the reflection substrate layer is made of a plastic sheet, and specifically comprises: adding a silver white base material or a silver black base material formed by silver plating on the white PET base material or the black PET base material; and the blue light conversion glue layer 200 is arranged on the reflecting substrate layer 100.
As shown in fig. 4, fig. 4 is a schematic structural diagram of a backlight module according to the present invention. The direction description is made with reference to the placement direction of the light guide plate 300 shown in fig. 4, and the upper, lower, left, and right in the drawing are respectively referred to as upper, lower, left, and right in the structural description; in the figure, the light guide plate 300 includes a light incident surface, a light emitting surface and a plurality of side surfaces, the light incident surface faces the light emitting element 400 to receive the light emitted from the light emitting element 400, the light emitting surface is perpendicular to the light incident surface, and the light emitted from the light emitting element 400 enters the light guide plate 300 through the light incident surface and then exits from the light emitting surface. The side reflective sheet is disposed on at least one side surface of the light guide plate 300, and preferably, the side reflective sheet is disposed on all side surfaces of the light guide plate 300.
Blue light conversion glue film 200 combines together with reflection substrate layer 100, and blue light conversion glue film 200 is attached on reflection substrate layer 100, blue light conversion glue film 200 is used for converting the blue light that light guide plate 300 jetted out into white light. Like this, through having reflection and the integrative side reflector plate 500 of blue light conversion, blue light conversion glue film 200 solves ultra-thin super narrow frame (liquid crystal glass BM district less than or equal to 5mm) model side and leaks the blue light problem, be formed with the side reflector plate 500 of certain thickness through blue light conversion glue film 200 and reflection substrate layer 100, when attached on the side of optics diaphragm (light guide plate 300), can form the support with the optics diaphragm mutually, the difficult accurate counterpoint that traditional mantle PET layer blue light dress trades the attached optics diaphragm edge of membrane and leads to has been solved, tensile tension pulls the optics diaphragm and leads to the problem of the cockling of optics diaphragm to warp. And the technical process of attaching the PET layer blue light film replacement is omitted, and the problems of poor adhesion, high cost and the like are avoided. A design blue light conversion function is added on the traditional side reflector plate, the product design space is released, and the problem of structural space caused by the fact that a blue light conversion film is additionally attached to a PET layer is not needed to be considered. Corresponding processing technology cost expense reduces, compares and pastes the blue light conversion coating in addition, and the side reflector plate that this scheme provided is equivalent to traditional side reflector plate processing and attaches, need not additionally to increase production processes, further practices thrift the cost.
The blue light conversion glue layer in the embodiment comprises a blue light conversion functional material and an acrylic resin material; the acrylic resin material is mainly used for bonding, the blue light conversion functional material comprises a fluorescent material or/and a quantum dot material, the fluorescent material is yellow fluorescent powder (YAG fluorescent powder and the like), and the quantum dot material is a mixture of a red quantum dot material and a green quantum dot material; the mixture of the red quantum dot material and the green quantum dot material is red-green light quantum dots. The proportion of the fluorescent material and the quantum dot material is determined according to the blue leakage edge degree of a specific machine type, and the specific proportion range is as follows: based on the total mass of the blue light conversion adhesive layer, the yellow fluorescent powder (YAG fluorescent powder and the like) accounts for 5-30 wt%; the quantum dot material (red quantum dot material and green quantum dot material) has the following ratio: 2 to 20 wt%.
The thickness of the reflecting substrate layer is 80-150 micrometers; the thickness of the blue light conversion glue layer is 15-50 microns.
To the utility model discloses a side reflector plate provides three kinds of embodiments, as follows respectively:
example one
As shown in fig. 1, the side reflective sheet further includes a reflective substrate attaching layer 210 attached to the surface of the reflective substrate layer 100, a PET substrate layer 220, which is a poly (terephthalic acid) plastic substrate layer, is disposed on the surface of the reflective substrate attaching layer 210, and a blue light conversion glue layer 200 disposed on the surface of the PET substrate layer 220 and attached to the light guide plate 300; the blue light conversion adhesive layer 200 is used for converting blue light into white light. The reflective substrate attachment layer 210 includes an acrylic resin material. The reflective substrate attaching layer 210 has viscosity, and the PET substrate layer 220 (poly terephthalic acid plastic substrate layer) is bonded and fixed to the reflective substrate layer 100 through the reflective substrate attaching layer 210, so that the blue light conversion glue layer 200 and the reflective substrate layer 100 are integrally arranged. The blue light conversion adhesive layer 200 is formed by mixing acrylic resin and a blue light conversion material, and the blue light conversion material comprises yellow fluorescent powder or/and a mixture of a red quantum dot material and a green quantum dot material. The mixture of the red quantum dot material and the green quantum dot material is red-green light quantum dots. Thus, the acrylic resin has the functions of transparency and bonding, the side reflecting sheet can be directly bonded with the light guide plate 300, the blue light conversion material can convert the blue light emitted by the light guide plate 300 into white light, and the problem of blue light leakage at the edge of a screen is solved.
Example two
As shown in fig. 2, the side reflective sheet further includes a reflective substrate attaching layer 210 for attaching to the surface of the reflective substrate layer 100, a PET substrate layer 220, which is a poly-terephthalic acid plastic substrate layer, is disposed on the surface of the reflective substrate attaching layer 210, and a blue light conversion glue layer 200 disposed on the surface of the PET substrate layer 220 and for attaching to the light guide plate 300; the blue light conversion glue layer 200 comprises a mixture of an acrylic resin material, yellow fluorescent powder or/and a red quantum dot material and a green quantum dot material, wherein the mixture of the red quantum dot material and the green quantum dot material is a red light-green light quantum dot. The blue light conversion adhesive layer 200 is used for converting blue light into white light; the reflective substrate attachment layer 210 includes a mixture of an acrylic resin material, a yellow phosphor or/and a red quantum dot material, and a green quantum dot material, and the mixture of the red quantum dot material and the green quantum dot material is a red-green quantum dot. As well as for converting blue light into white light. All realize bonding and blue light conversion's function through the attached layer 210 of reflection substrate and blue light conversion glue film 200, realize two-layer blue light conversion on the structural style of appearance, make the blue light convert the effect of white light better, can further avoid screen edge blue light to leak outward, cause the influence to the visual effect.
EXAMPLE III
As shown in fig. 3, the side reflective sheet includes a reflective substrate layer 100 and a blue light conversion glue layer 200; the blue light conversion glue layer 200 includes an acrylic resin material and a blue light conversion functional material. Specifically, the blue light conversion glue layer 200 includes acrylic resin, yellow phosphor or/and a mixture of red quantum dot material and green quantum dot material, and the mixture of red quantum dot material and green quantum dot material is red light-green light quantum dot. The blue light conversion adhesive layer 200 serves to bond the light guide plate 300 and the reflective substrate layer 100 together, and converts blue light into white light. The blue light conversion glue layer 200 arranged on one layer is simple in structure and lower in production cost.
As shown in fig. 4, the present embodiment further provides a backlight module, which includes a light guide plate 300 and a light emitting device 400, wherein the light guide plate 300 includes a light incident surface, a light emitting surface and a plurality of side surfaces, the light incident surface faces the light emitting device 400 to receive light emitted by the light emitting device 400, the light emitting surface is perpendicular to the light incident surface, and light emitted by the light emitting device 400 enters the light guide plate 300 through the light incident surface and then exits from the light emitting surface. The side reflective sheet 500 is disposed at least one side surface of the light guide plate 300, and preferably, the side reflective sheet 500 is disposed at all side surfaces of the light guide plate 300.
The embodiment further provides a display device, which comprises the backlight module.
To sum up, the utility model provides a side reflector plate, backlight unit and display device thereof, wherein through having the integrative side reflector plate of reflection and blue light conversion, blue light conversion glue film among the side reflector plate has solved the blue light problem of leaking of ultra-thin super narrow frame model side, be formed with the side reflector plate of certain thickness through blue light conversion glue film and reflection substrate layer, when attached on the side of optics diaphragm with blue light conversion glue film in the side reflector plate, can form the support mutually with optics diaphragm, solved traditional mantle PET layer blue light dress and trade difficult accurate counterpoint that the attached diaphragm edge of membrane leads to, tensile tension pulls optics diaphragm and the problem that results in the wrinkle of optics diaphragm and warp. And the technical process of attaching the PET layer blue light film replacement is omitted, and the problems of poor adhesion, high cost and the like are avoided. A design blue light conversion function is added on the traditional side reflector plate, the product design space is released, and the problem of structural space caused by the fact that a blue light conversion film is additionally attached to a PET layer is not needed to be considered. Corresponding processing technology cost expense reduces, compares and pastes the blue light conversion coating in addition, and the side reflector plate that this scheme provided is equivalent to traditional side reflector plate processing and attaches, need not additionally to increase production processes, further practices thrift the cost.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A side reflector sheet, comprising:
a reflective substrate layer;
the blue light conversion glue layer is used for converting blue light into white light and arranged on the reflection base material layer.
2. The side reflective sheet according to claim 1, wherein the blue light conversion glue layer comprises a blue light conversion functional material and an acrylic resin material;
wherein the blue light conversion functional material comprises a fluorescent material or/and a quantum dot material.
3. The side reflective sheet according to claim 2, wherein the fluorescent material is yellow phosphor;
the quantum dot material is a red light-green light quantum dot.
4. The side reflective sheet according to claim 1, further comprising:
the reflection substrate layer is arranged between the reflection substrate layer and the blue light conversion glue layer.
5. The side reflective sheet according to claim 4, further comprising:
the reflecting substrate attaching layer is arranged between the reflecting substrate layer and the polyterephthalic acid plastic substrate layer.
6. The side reflective sheet according to claim 5, wherein the reflective substrate attachment layer comprises an acrylic resin material.
7. The side reflective sheet of claim 6, wherein the reflective substrate attachment layer further comprises yellow phosphor or red-green quantum dots.
8. The side reflective sheet of claim 1, wherein the thickness of the reflective substrate layer is 80 to 150 microns;
the thickness of the blue light conversion glue layer is 15-50 microns.
9. A backlight module, comprising:
a light guide plate; the light guide plate comprises a light incident surface, a light emergent surface and a plurality of side surfaces,
a light emitting member; the light emitting piece is arranged on the light incident surface of the light guide plate;
the side reflective sheet of any of claims 1-8, wherein the side reflective sheet is attached to at least one of the sides of the light guide plate.
10. A display device comprising the backlight module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356451.3U CN211786491U (en) | 2019-08-20 | 2019-08-20 | Side reflector plate, backlight module and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356451.3U CN211786491U (en) | 2019-08-20 | 2019-08-20 | Side reflector plate, backlight module and display device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211786491U true CN211786491U (en) | 2020-10-27 |
Family
ID=72906885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921356451.3U Active CN211786491U (en) | 2019-08-20 | 2019-08-20 | Side reflector plate, backlight module and display device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211786491U (en) |
-
2019
- 2019-08-20 CN CN201921356451.3U patent/CN211786491U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109116621A (en) | Display module and display device | |
| CN106772771B (en) | Light guide plate, backlight module and display device | |
| CN214335406U (en) | Display device | |
| CN114253026B (en) | Backlight module, display screen and spliced screen | |
| CN113093434A (en) | Display device | |
| JPH08262438A (en) | Back light structure for liquid crystal display device | |
| CN111273487A (en) | Backlight module and display device | |
| WO2023160643A1 (en) | Display module and display device | |
| WO2016106898A1 (en) | Rubber frame, backlight module and liquid crystal panel | |
| CN209928188U (en) | Display device | |
| CN211394345U (en) | Backlight module | |
| CN108897091B (en) | Compound straight following formula backlight unit | |
| CN216561310U (en) | LED backlight structure, LED backlight module and electronic equipment | |
| CN115176197B (en) | Optical film, backlight module and display device | |
| CN211627867U (en) | Straight following formula glass diffuser plate | |
| CN211786491U (en) | Side reflector plate, backlight module and display device thereof | |
| CN208888540U (en) | A kind of side entrance back module reducing reflection light loss | |
| CN111766741A (en) | Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof | |
| CN215986594U (en) | Composite light guide plate structure and backlight module | |
| CN216817125U (en) | Straight following formula miniLED display module assembly | |
| CN115410492A (en) | Plasma display module with front light guide and plasma display screen | |
| CN110133921B (en) | Display device | |
| CN212723599U (en) | Side-in type backlight module, liquid crystal module and display device | |
| CN210666267U (en) | Display device | |
| CN114236905A (en) | Backlight module and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |