CN212229391U - Mini-LED backlight module, reflective film thereof and lighting equipment - Google Patents
Mini-LED backlight module, reflective film thereof and lighting equipment Download PDFInfo
- Publication number
- CN212229391U CN212229391U CN202021217478.7U CN202021217478U CN212229391U CN 212229391 U CN212229391 U CN 212229391U CN 202021217478 U CN202021217478 U CN 202021217478U CN 212229391 U CN212229391 U CN 212229391U
- Authority
- CN
- China
- Prior art keywords
- layer
- mini
- led backlight
- backlight module
- led
- 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 discloses a reflective membrane of a Mini-LED backlight module, which comprises a main body area covering an LED lamp panel and an extension area extending out of the LED lamp panel along a first direction; the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer, a back glue layer and a reflecting sheet layer from one side close to the LED lamp panel to the outside; the back glue layer is a continuous glue layer superposed with the reflecting sheet layer; the isolation film layer comprises a main body region covering layer and an extension region covering layer, and the extension region covering layer and the main body region covering layer are arranged in a separated mode. The utility model discloses a gum layer in main part district with the gum layer independent protection in extension district is favorable to preserving for a long time and the transportation of preprocessing lamp plate. The utility model discloses still provide a Mini-LED backlight unit and lighting apparatus with above-mentioned beneficial effect simultaneously.
Description
Technical Field
The utility model relates to a LED shows the field, especially relates to a Mini-LED backlight unit and reflectance coating, lighting apparatus thereof.
Background
With the continuous development of the lighting technology and the display technology, the development of the Mini-LED backlight module gradually becomes a new concern of television manufacturers, and the innovation point of the technology is mainly that the regional dimming can be realized, so that the million-level high contrast is realized, and the energy consumption of a television is greatly reduced; the maximum brightness can reach 1000nit, and high color gamut is realized by matching with quantum dot technology, the number of the LEDs in the Mini-LED backlight area reaches thousands or even tens of thousands, and the process difficulty is too high when the LEDs are arranged on the same complete lamp panel, so that the large-area Mini-LED display is realized by adopting a mode of splicing a plurality of lamp panels at present.
But the polylith concatenation also can bring new problem, for having eliminated the lamp plate for the influence that the expend with heat and contract with cold brought, need remain several millimeters clearance between the adjacent lamp plate, but for the even transition of guaranteeing optics taste, the clearance of lamp plate also need be supplemented with the reflector plate, among the prior art, normally will the reflectance coating extension part utilizes and stretches out the part of lamp plate sets up scrap (bridge) between adjacent backlight unit, accomplishes the reflectance coating is in the setting of clearance department, nevertheless, will the barrier film of reflectance coating tears down to paste on the lamp plate after, before arranging a plurality of lamp plates and assembling, the gum layer of scrap (bridge) position will expose in the air, be infected with the viscidity that the foreign matter made the gum and become invalid, the preservation and the later stage production that are unfavorable for the lamp plate easily, on the other hand, the optics taste of module scrap (bridge) position can receive the influence.
Therefore, how to solve the problems that the back adhesive layer exceeding the LED lamp panel in the prior art is exposed in the air for too long, the back adhesive fails, and the optical quality of the module is reduced is a problem to be solved urgently by the technical staff in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a Mini-LED backlight unit and reflectance coating, lighting apparatus thereof to solve among the prior art and surpass the gum layer of LED lamp plate and expose the time overlength in the air, the back viscidity that leads to became invalid, reduce the problem of module optics taste.
In order to solve the technical problem, the utility model provides a reflective film of a Mini-LED backlight module, which comprises a main body area covering an LED lamp panel and an extension area extending out of the LED lamp panel along a first direction;
the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer, a back glue layer and a reflecting sheet layer from one side close to the LED lamp panel to the outside;
the reflecting sheet layer is provided with holes on the surface, the holes correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer is a continuous glue layer superposed with the reflecting sheet layer;
the isolation film layer comprises a main body region covering layer and an extension region covering layer, and the extension region covering layer and the main body region covering layer are arranged in a separated mode.
Optionally, in the reflective film of the Mini-LED backlight module, a protective filling layer is further disposed in a gap between the main body region covering layer and the extension region covering layer;
the protective filling layer falls off along with the tearing of the main body region covering layer or the extension region covering layer from the back adhesive layer.
Optionally, in the reflective film of the Mini-LED backlight module, the isolation film layer is a high polymer layer.
Optionally, in the reflective film of the Mini-LED backlight module, the thickness of the isolation film layer ranges from 50 micrometers to 70 micrometers, inclusive.
Optionally, in the reflective film of the Mini-LED backlight module, the thickness of the back adhesive layer ranges from 20 micrometers to 40 micrometers, inclusive.
Optionally, in the reflective film of the Mini-LED backlight module, the reflective sheet layer is a PET layer.
Optionally, in the reflective film of the Mini-LED backlight module, the thickness of the reflective sheet layer ranges from 100 micrometers to 200 micrometers.
Optionally, in the reflective film of the Mini-LED backlight module, a range of a distance by which the extension region extends out of the LED lamp panel along the first direction is 20 mm to 30 mm, inclusive.
A Mini-LED backlight module comprises an LED lamp panel and a reflective film of the Mini-LED backlight module.
A lighting apparatus comprising a plurality of Mini-LED backlight modules as described above;
the Mini-LED backlight modules are arranged on the same plane, and the adjacent Mini-LED backlight modules are connected through the extension area.
The utility model provides a reflective membrane of Mini-LED backlight module, the reflective membrane of Mini-LED backlight module is including the main part district that covers the LED lamp plate and extending the extension district of LED lamp plate along first direction; the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer, a back glue layer and a reflecting sheet layer from one side close to the LED lamp panel to the outside; the reflecting sheet layer is provided with holes on the surface, the holes correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer is a continuous glue layer superposed with the reflecting sheet layer; the isolation film layer comprises a main body region covering layer and an extension region covering layer, and the extension region covering layer and the main body region covering layer are arranged in a separated mode. The utility model discloses will be used for completely cutting off the gum layer is divided into two parts with the isolation rete of external contact, will in needs the reflectance coating laminate in when the lamp panel surface, only need tear the main part district overburden of isolation rete can be accomplished the isolation rete with the laminating of lamp plate is fixed, simultaneously the extension district overburden still with the gum layer in close contact with in extension district prevents that it from exposing in the air, has realized the gum layer in main part district with the gum layer in extension district independently protects, is favorable to the long-time preservation and the transportation of preprocessing lamp plate (having pasted promptly the lamp plate of reflectance coating), is keeping in the gum layer viscidity in extension district, has also guaranteed finally the optics taste of the clearance department of adjacent lamp plate after the lamp plate concatenation. The utility model discloses still provide a Mini-LED backlight unit and lighting apparatus with above-mentioned beneficial effect simultaneously.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a reflective film of a Mini-LED backlight module provided in the present invention;
fig. 2 is a schematic front view of a specific embodiment of a reflective film of a Mini-LED backlight module according to the present invention, which is attached to an LED lamp panel;
fig. 3 is a schematic back view of a specific embodiment of a reflective film of a Mini-LED backlight module according to the present invention, which is attached to an LED lamp panel;
fig. 4 is a schematic back view of another embodiment of a reflective film of a Mini-LED backlight module according to the present invention;
fig. 5 is a schematic back view of another embodiment of a reflective film of a Mini-LED backlight module according to the present invention.
Detailed Description
It should be noted in advance that the optical quality of the present invention refers to the uniformity, color accuracy and contrast of the light emitted from the light emitting device, in other words, the optical quality is higher, and the LED backlight module is closer to the theoretical condition, i.e., more ideal.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
The core of the utility model is to provide a reflective membrane of a Mini-LED backlight module, the structural schematic diagram of one specific implementation is shown in figure 1, which is called as the first specific implementation, the reflective membrane of the Mini-LED backlight module comprises a main body area covering the LED lamp panel and an extension area extending out of the LED lamp panel along a first direction;
the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside;
the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100;
the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, and the extension region covering layer 320 is disposed separately from the body region covering layer 310.
In particular, the barrier film layer 300 is a high polymer layer, such as a PET layer or other high polymer layer; still further, the barrier film layer 300 has a thickness in a range from 50 microns to 70 microns, inclusive, such as any of 50.0 microns, 60.2 microns, or 70.0 microns.
Still further, the thickness of the backing layer 200 ranges from 20 microns to 40 microns, inclusive, such as any of 20.0 microns, 30.5 microns, or 40.0 microns.
In a preferred embodiment, the reflective sheet layer 100 is a PET layer, but may be a layer of other materials that meet optical requirements; additionally, the thickness of the reflector layer 100 ranges from 100 microns to 200 microns, such as any of 100.0 microns, 150.0 microns, or 200.0 microns.
The utility model discloses in "gum layer 200 be with the continuous glue film" of reflection lamella 100 coincidence can indicate gum layer 200 with reflection lamella 100 coincides completely, also can do gum layer 200 with the incomplete coincidence of reflection lamella 100, nevertheless, should satisfy gum layer 200's functional requirement is about to reflection lamella 100 is fixed and is corresponded on the LED lamp plate.
Fig. 2 is the utility model provides a reflective membrane with overlook the structure schematic diagram after the Mini-LED backlight unit laminating, wherein, the part that the dotted line frame was played does extend the district, then remaining not by the part that the dotted line frame was played in the reflective membrane does the main part district, it needs to notice that in fig. 2 to 5 the reflective membrane all is than in all directions the LED lamp plate is big, but this is only for making the structure show more clearly, in actual production the reflective membrane probably only extends in the first direction the LED lamp plate, all the other directions all with the LED lamp plate is equal. The extension area covering layer 320 of the isolation film layer 300 of the present invention may not completely overlap with the extension area, but includes the extension area, as shown in fig. 3, and may also completely overlap with the extension area, as shown in fig. 4, and the main body area covering layer 310 and the extension area covering layer 320 may be adjusted according to actual process accuracy and final yield.
The utility model provides a reflective membrane of Mini-LED backlight module, the reflective membrane of Mini-LED backlight module is including the main part district that covers the LED lamp plate and extending the extension district of LED lamp plate along first direction; the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside; the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100; the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, and the extension region covering layer 320 is disposed separately from the body region covering layer 310. The utility model discloses will be used for completely cutting off gum layer 200 is divided into two parts with the isolation rete 300 of external contact, will as required the reflectance coating laminate in when the lamp panel surface, only need tear the main part district overburden 310 of isolation rete 300 can accomplish the isolation rete with the laminating of lamp plate is fixed, simultaneously extension district overburden 320 still with the gum layer 200 in close contact with in extension district prevents that it from exposing in the air, has realized the gum layer 200 in main part district with the gum layer 200 in extension district independently protects, is favorable to preserving for a long time and the transportation of preprocessing lamp plate (having pasted promptly the lamp plate of reflectance coating), is keeping in the gum layer 200 viscidity in extension district, has also guaranteed finally the optics taste of the clearance department of adjacent lamp plate after the lamp plate concatenation.
On the basis of the first specific embodiment, the isolation film layer 300 is further improved to obtain a second specific embodiment, a schematic structural diagram of which is shown in fig. 5, wherein the reflective film of the Mini-LED backlight module comprises a main body region covering the LED lamp panel and an extension region extending out of the LED lamp panel along a first direction;
the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside;
the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100;
the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, wherein the extension region covering layer 320 is disposed separately from the body region covering layer 310;
a protective filling layer 330 is further disposed in the gap between the body region covering layer 310 and the extension region covering layer 320;
the protective filling layer 330 falls off when the body region covering layer 310 or the extension region covering layer 320 is peeled off from the backing layer 200.
The difference between this embodiment and the above embodiment is that the protective filling layer 330 is added to the reflective film of the Mini-LED backlight module in this embodiment, and the rest of the structure is the same as that of the above embodiment, and will not be described herein again.
In this embodiment, the protection filling layer 330 is additionally disposed between the body region covering layer 310 and the extension region covering layer 320, and the protection filling layer 330 fills the gap between the body region covering layer 310 and the extension region covering layer 320, so as to prevent the gap from being exposed in the air and being contaminated by dust, which finally causes the optical quality of the region to be reduced and improves the light-emitting quality of the finished LED backlight module.
On the basis of the second specific embodiment, the reflective film is further limited to obtain a third specific embodiment, the structural schematic diagram of the reflective film is the same as that of each specific embodiment, and the reflective film of the Mini-LED backlight module comprises a main body region covering the LED lamp panel and an extension region extending out of the LED lamp panel along a first direction;
the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside;
the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100;
the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, wherein the extension region covering layer 320 is disposed separately from the body region covering layer 310;
a protective filling layer 330 is further disposed in the gap between the body region covering layer 310 and the extension region covering layer 320;
the protective filling layer 330 falls off when the body region covering layer 310 or the extension region covering layer 320 is torn off from the backing layer 200;
the extension district stretches out along first direction the range of the distance of LED lamp plate is 20 millimeters to 30 millimeters, including endpoint value.
The difference between the present embodiment and the above embodiments is that the present embodiment defines the size of the reflective film of the Mini-LED backlight module, and the rest of the structure is the same as the above embodiments, and therefore, the detailed description thereof is omitted.
In this specific embodiment, the extending region is specifically limited to extend out of the LED lamp panel along the first direction, generally speaking, the first direction indicates that the extending directions of the LED backlight modules are adjacent to each other, and the extending length of the extending region may be regarded as the adjacent width of the interval between the LED backlight modules and the width of the extending region that can be stably fixed on the adjacent LED backlight modules, if the interval between the adjacent LED backlight modules is 20 mm, the width of the back glue layer 200 of the extending region needs 5 mm to be stably linked with the lamp panel of the adjacent LED backlight module, then the extending distance of the extending region along the first direction is at least 25 mm. If the extension area is too long, the redundant extension area may have to overlap with the reflective film of the adjacent LED backlight assembly, and the uniformity of the thickness of the reflective film is damaged, and if the extension area is too short, the adjacent LED backlight assembly cannot be firmly linked, and after a large number of theoretical calculations and actual tests, the above range (i.e. 20 mm to 30 mm) is an optimal range, and of course, the extension area may be adjusted accordingly according to actual conditions.
The specific embodiment also provides a Mini-LED backlight module, which comprises an LED lamp panel and the reflective film of the Mini-LED backlight module. The utility model provides a reflective membrane of Mini-LED backlight module, the reflective membrane of Mini-LED backlight module is including the main part district that covers the LED lamp plate and extending the extension district of LED lamp plate along first direction; the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside; the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100; the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, and the extension region covering layer 320 is disposed separately from the body region covering layer 310. The utility model discloses will be used for completely cutting off gum layer 200 is divided into two parts with the isolation rete 300 of external contact, will as required the reflectance coating laminate in when the lamp panel surface, only need tear the main part district overburden 310 of isolation rete 300 can accomplish the isolation rete with the laminating of lamp plate is fixed, simultaneously extension district overburden 320 still with the gum layer 200 in close contact with in extension district prevents that it from exposing in the air, has realized the gum layer 200 in main part district with the gum layer 200 in extension district independently protects, is favorable to preserving for a long time and the transportation of preprocessing lamp plate (having pasted promptly the lamp plate of reflectance coating), is keeping in the gum layer 200 viscidity in extension district, has also guaranteed finally the optics taste of the clearance department of adjacent lamp plate after the lamp plate concatenation.
The utility model also provides a lighting device, which comprises a plurality of Mini-LED backlight modules; the Mini-LED backlight modules are arranged on the same plane, and the adjacent Mini-LED backlight modules are connected through the extension area. The utility model provides a reflective membrane of Mini-LED backlight module, the reflective membrane of Mini-LED backlight module is including the main part district that covers the LED lamp plate and extending the extension district of LED lamp plate along first direction; the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer 300, a back glue layer 200 and a reflecting sheet layer 100 from one side close to the LED lamp panel to the outside; the reflecting sheet layer 100 is a reflecting sheet layer 100 with holes 110 on the surface, the holes 110 correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer 200 is a continuous glue layer superposed with the reflecting sheet layer 100; the isolation film layer 300 includes a body region covering layer 310 and an extension region covering layer 320, and the extension region covering layer 320 is disposed separately from the body region covering layer 310. The utility model discloses will be used for completely cutting off gum layer 200 is divided into two parts with the isolation rete 300 of external contact, will as required the reflectance coating laminate in when the lamp panel surface, only need tear the main part district overburden 310 of isolation rete 300 can accomplish the isolation rete with the laminating of lamp plate is fixed, simultaneously extension district overburden 320 still with the gum layer 200 in close contact with in extension district prevents that it from exposing in the air, has realized the gum layer 200 in main part district with the gum layer 200 in extension district independently protects, is favorable to preserving for a long time and the transportation of preprocessing lamp plate (having pasted promptly the lamp plate of reflectance coating), is keeping in the gum layer 200 viscidity in extension district, has also guaranteed finally the optics taste of the clearance department of adjacent lamp plate after the lamp plate concatenation.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is to be noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The Mini-LED backlight module, the reflective film thereof, and the lighting device are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A reflective film of a Mini-LED backlight module is characterized in that the reflective film of the Mini-LED backlight module comprises a main body area covering an LED lamp panel and an extension area extending out of the LED lamp panel along a first direction;
the reflecting film of the Mini-LED backlight module is a composite film layer and sequentially comprises an isolation film layer, a back glue layer and a reflecting sheet layer from one side close to the LED lamp panel to the outside;
the reflecting sheet layer is provided with holes on the surface, the holes correspond to the lamp beads of the LED lamp panel one by one, and the back glue layer is a continuous glue layer superposed with the reflecting sheet layer;
the isolation film layer comprises a main body region covering layer and an extension region covering layer, and the extension region covering layer and the main body region covering layer are arranged in a separated mode.
2. The reflective film for a Mini-LED backlight module according to claim 1, wherein a protective filling layer is further disposed in the gap between the main body region cover layer and the extension region cover layer;
the protective filling layer falls off along with the tearing of the main body region covering layer or the extension region covering layer from the back adhesive layer.
3. The reflective film of a Mini-LED backlight module according to claim 1, wherein the isolation film layer is a polymer layer.
4. The reflective film of a Mini-LED backlight module according to claim 3, wherein the thickness of the isolation film layer ranges from 50 microns to 70 microns, inclusive.
5. The reflective film of a Mini-LED backlight module according to claim 1, wherein the thickness of the back adhesive layer ranges from 20 microns to 40 microns, inclusive.
6. The reflective film of a Mini-LED backlight module according to claim 1, wherein the reflective sheet layer is a PET layer.
7. The reflective film of a Mini-LED backlight module according to claim 6, wherein the thickness of the reflective sheet layer ranges from 100 microns to 200 microns.
8. The reflective film of a Mini-LED backlight module according to claim 1, wherein the extension region extends beyond the LED lamp panel in the first direction by a distance in a range from 20 mm to 30 mm, inclusive.
9. A Mini-LED backlight module, characterized in that, the Mini-LED backlight module comprises an LED lamp panel and the reflective film of the Mini-LED backlight module as claimed in any one of claims 1 to 8.
10. An illumination apparatus, characterized in that the illumination apparatus comprises a plurality of Mini-LED backlight modules according to claim 9;
the Mini-LED backlight modules are arranged on the same plane, and the adjacent Mini-LED backlight modules are connected through the extension area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217478.7U CN212229391U (en) | 2020-06-28 | 2020-06-28 | Mini-LED backlight module, reflective film thereof and lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217478.7U CN212229391U (en) | 2020-06-28 | 2020-06-28 | Mini-LED backlight module, reflective film thereof and lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212229391U true CN212229391U (en) | 2020-12-25 |
Family
ID=73910315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021217478.7U Active CN212229391U (en) | 2020-06-28 | 2020-06-28 | Mini-LED backlight module, reflective film thereof and lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212229391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856263A (en) * | 2021-03-02 | 2021-05-28 | Tcl华星光电技术有限公司 | Spliced lamp panel, preparation method thereof and display device |
-
2020
- 2020-06-28 CN CN202021217478.7U patent/CN212229391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856263A (en) * | 2021-03-02 | 2021-05-28 | Tcl华星光电技术有限公司 | Spliced lamp panel, preparation method thereof and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI407199B (en) | Flat panel display structure and manufacturing method thereof | |
| US20170017021A1 (en) | Wavelength conversion sheet, backlight unit, and phosphor protective film | |
| JP2005183352A (en) | Lighting device | |
| CN212229391U (en) | Mini-LED backlight module, reflective film thereof and lighting equipment | |
| CN110632790A (en) | Backlight module, preparation method thereof and display device thereof | |
| CN112856263A (en) | Spliced lamp panel, preparation method thereof and display device | |
| CN111766738A (en) | Reflector plate of backlight module and die-cutting and splicing gum technology thereof | |
| CN114859600A (en) | Display module and display device | |
| CN114415420A (en) | Backlight module and liquid crystal display device | |
| JP2011071341A (en) | Light source unit, display device, and method of manufacturing light source unit | |
| CN218523453U (en) | Optical film group and backlight module | |
| CN110865429A (en) | Prevent reflector plate and backlight unit of warpage and fold | |
| JP4622967B2 (en) | Surface light source device | |
| CN113703223B (en) | Backlight module, preparation method thereof and display panel | |
| CN115360284A (en) | Backlight plate, preparation method and display panel | |
| KR20080075901A (en) | Optical sheet for display, and manufacturing method and apparatus therefor | |
| KR20020005426A (en) | Film body for backlight and method for producing film body for backlight | |
| CN113851470A (en) | Novel high-color-gamut LED lamp panel and quantum film attaching method thereof | |
| KR101934830B1 (en) | Illuminated sign board having a multi-plates structure | |
| CN114220932A (en) | Display device | |
| CN220208052U (en) | Backlight module capable of preventing light spots | |
| CN111929959A (en) | Structure and manufacturing method of multifunctional electronic paper front light module | |
| JP4691852B2 (en) | Electro-optical device, tape, and method of assembling electro-optical device | |
| CN210222439U (en) | Backlight module, display module and electronic equipment | |
| CN109459884A (en) | Backing structure and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |