CN207049680U - Direct type backlight module and display - Google Patents
Direct type backlight module and display Download PDFInfo
- Publication number
- CN207049680U CN207049680U CN201721047970.2U CN201721047970U CN207049680U CN 207049680 U CN207049680 U CN 207049680U CN 201721047970 U CN201721047970 U CN 201721047970U CN 207049680 U CN207049680 U CN 207049680U
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- China
- Prior art keywords
- reflector plate
- mode set
- sub
- down straight
- aphototropism mode
- 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.)
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Links
- 238000002310 reflectometry Methods 0.000 claims abstract description 15
- 230000005142 aphototropism Effects 0.000 claims description 57
- 238000009792 diffusion process Methods 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a straight following formula backlight unit and display. The direct type backlight module comprises a first reflector plate and at least one second reflector plate; the second reflector plate is arranged on the inner side of the vertex angle of the first reflector plate, and the reflecting surface of the second reflector plate is connected with the reflecting surface of the first reflector plate; the reflectivity of the reflecting surface of the second reflecting sheet is higher than that of the reflecting surface of the first reflecting sheet. The embodiment of the utility model provides a through adopting above-mentioned technical scheme, increase the higher second reflector plate of reflectivity in the lower corner region of straight following formula backlight unit light intensity, can improve the light intensity of straight following formula backlight unit corner position, avoid straight following formula backlight unit vignette problem to improve the homogeneity of the display device's that straight following formula backlight unit corresponds picture.
Description
Technical field
It the utility model is related to display technology field, more particularly to a kind of down straight aphototropism mode set and display.
Background technology
At present, as the expansion of the electronics applications scope such as computer and TV, down straight aphototropism mode set are also got over
To be more widely applied.
Down straight aphototropism mode set is generally made up of lamp bar, reflector plate and diffuser plate, and luminous energy is converted electrical energy into by lamp bar,
Light that lamp bar sends is transmitted by the site of reflector plate bottom and reflects received light to realize to the secondary of light
Utilize, picture is atomized by diffuser plate, improves the uniformity of picture.However, inventor is during the utility model is realized
It was found that there is following technological deficiency in prior art：The site of reflector plate bottom arranges generally in the form of array, reflector plate bottom
Corner position has larger minimum range for other positions with site, and can only typically receive with its distance most
The light that light emitting diode at a near dot location is launched so that backlight module has dark angle, influences picture
Uniformity.
Utility model content
In view of this, the utility model embodiment provides a kind of down straight aphototropism mode set and display, to solve existing skill
In art there is the relatively low technical problem of dark angle, picture uniformity in backlight module.
In a first aspect, the utility model embodiment provides a kind of down straight aphototropism mode set, including the He of the first reflector plate 10
At least one second reflector plate 20；Second reflector plate 20 is arranged at the inner side of the drift angle of first reflector plate 10, described
The reflecting surface of second reflector plate 20 is connected with the reflecting surface of first reflector plate 10；The reflecting surface of second reflector plate 20
Reflectivity of the reflectivity higher than the reflecting surface of first reflector plate 10.
Further, second reflector plate 20 is bonded with first reflector plate 10.
Further, first reflector plate 10 includes bottom surface 11 and side 12；Second reflector plate 20 includes first
Sub- 21 and second sub- reflector plate 22 of reflector plate, the first sub- reflector plate 21 and the described second sub- reflector plate 22 are planar structure,
The first sub- reflector plate 21 wherein while with the described second sub- reflector plate 22 wherein while overlap, the first son reflection
Piece 21 fits in two adjacent sides 12 of first reflector plate 10 respectively with the described second sub- reflector plate 22.
Further, the described first sub- reflector plate 21 and the described second sub- reflector plate 22 are triangular structure.
Further, the quantity of second reflector plate 20 is 4, and 4 second reflector plates 20 are respectively positioned at described
Four drift angles of the first reflector plate 10.
Further, argentum reflecting layer, aluminium reflecting layer or the mixing of silver-colored aluminium are coated with the reflecting surface of second reflector plate 20
Reflecting layer.
Further, down straight aphototropism mode set provided by the utility model also includes LED light bar 30 and diffuser plate 40, described
LED light bar 30 is installed on the lower section of first reflector plate 10, and the diffuser plate 40 is installed on the upper of first reflector plate 10
Side.
Further, in addition to blast piece 50 and diffusion sheet 60, the blast piece 50 are installed on the upper of the diffuser plate 40
Side, the diffusion sheet 60 are installed on the top of the blast piece 50.
Further, second reflector plate 20 is integrally formed with first reflector plate 10.
Second aspect, the utility model embodiment additionally provide a kind of display, including described in the utility model embodiment
Down straight aphototropism mode set.
The down straight aphototropism mode set and display that the utility model embodiment provides, on the top of the reflector plate of backlight module first
Angular position increase reflectivity is higher than the second reflector plate of the first reflector plate, can improve down straight aphototropism mode set corner location institute
The intensity of the light of reflection, and then the light intensity of down straight aphototropism mode set corner location is improved, avoid down straight aphototropism mode set
There is dark angle problem, improve the uniformity of the picture of display device corresponding to down straight aphototropism mode set.
Brief description of the drawings
It is of the present utility model by reading the detailed description made to non-limiting example made with reference to the following drawings
Other features, objects and advantages will become more apparent upon：
Figure 1A is the structural representation for the first down straight aphototropism mode set that the utility model embodiment one provides；
Figure 1B is the structure of the second reflector plate in the first down straight aphototropism mode set that the utility model embodiment one provides
With position view；
Fig. 1 C are the structural representation for second of down straight aphototropism mode set that the utility model embodiment one provides；
Fig. 1 D are the structure of the second reflector plate in second of down straight aphototropism mode set that the utility model embodiment one provides
With position view；
Fig. 2A is the structural representation for the first down straight aphototropism mode set that the utility model embodiment two provides；
Fig. 2 B are the structure of the second reflector plate in the first down straight aphototropism mode set that the utility model embodiment two provides
With position view；
Fig. 3 A are the structural representation for second of down straight aphototropism mode set that the utility model embodiment two provides；
Fig. 3 B are the structure of the second reflector plate in second of down straight aphototropism mode set that the utility model embodiment two provides
With position view；
Fig. 4 A are the structural representation for the third down straight aphototropism mode set that the utility model embodiment two provides；
Fig. 4 B are the structure of the second reflector plate in the third down straight aphototropism mode set that the utility model embodiment two provides
With position view；
Fig. 5 A are the structural representation for the 4th kind of down straight aphototropism mode set that the utility model embodiment two provides；
Fig. 5 B are the structural representation for the 5th kind of down straight aphototropism mode set that the utility model embodiment two provides；
Fig. 5 C are a kind of opticpath schematic diagram in the 5th kind of backlight module that the utility model embodiment two provides.
In figure：
The reflector plates of 10- first；The reflector plates of 20- second；30-LED lamp bars；40- diffuser plates；50- blast pieces；60- diffusion sheets；
11- bottom surfaces；12- sides；
The first sub- reflector plates of 21-；The second sub- reflector plates of 22-.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than full content are illustrate only in accompanying drawing.
Embodiment one
The utility model embodiment one provides a kind of down straight aphototropism mode set.Figure 1A is that the utility model embodiment one provides
Down straight aphototropism mode set structural representation.As shown in Figure 1A, the down straight aphototropism mode set includes：First reflector plate 10 and at least
One the second reflector plate 20；Second reflector plate 20 is arranged at the inner side of the drift angle of first reflector plate 10, and described second
The reflecting surface of reflector plate 20 is connected with the reflecting surface of first reflector plate 10；The reflection of the reflecting surface of second reflector plate 20
Rate is higher than the reflectivity of the reflecting surface of first reflector plate 10, structure and the position view such as Figure 1B institutes of the second reflector plate 20
Show.
Wherein, the first reflector plate 10 can include bottom surface 11 and side 12, and its bottom surface 11 can be quadrilateral structure, triangle
Shape knot or other polygonized structures etc., exemplified by being below quadrilateral structure by the bottom surface 11 of the first reflector plate 10, now, accordingly
, the quantity for the side 12 that the first reflector plate 10 is included can be four, and four sides 12 can pass through the first reflector plate 10
Four of bottom surface 11 are connected in the bottom surface 11 with during the first reflection 10, or, can also be by four edges of the first reflector plate 10
Axis according to setting bends set angle, and the bending part at four edges forms four sides 12 of the first reflector plate 10, in
Between non-bending part form the bottom surface 11 of the first reflector plate 10, wherein, the set angle that four edges are bent can with identical or
It is different.Can be provided with the mesh of the light sent for transmitted light source on first reflector plate 10, each mesh can uniformly or
Non-uniform Distribution is not made limited herein on the bottom surface 11 of the first reflector plate 10.It is optional in view of the uniformity of transmitted ray
, each mesh can be uniformly distributed on the bottom surface 11 of the first reflector plate 10.
In the present embodiment, the first reflector plate 10 can be used for reflecting the light received by its reflecting surface, to realize to light
Secondary use.Wherein, the reflectivity of the reflecting surface of the first reflector plate 10 may range from 95%~98.5%.Exemplary,
Can be in inner surface (four tables of the side 12 in the first reflector plate 10 on the inside of the first reflector plate of direction 10 of the first reflector plate 10
Face and the upper surface of bottom surface 11) coating or foaming reflecting material formed the first reflector plate 10 reflecting surface, wherein, the first reflector plate
10 can be polyethylene terephthalate (Polyethylene Terephthalate, PET) material；Reflecting material can be with
For flexible particle, such as metal oxide TiO2Deng.
In such scheme, the second reflector plate 20 can be used for reflecting the light received by its reflecting surface, realize to light
Secondary use.The reflectivity of the reflecting surface of second reflector plate 20 is more than the reflectivity of the reflecting surface of the first reflector plate 10, and e.g., second is anti-
That penetrates the reflective surface rate of piece 20 may range from 98.5%~99.9%, and the material that its concrete numerical value can be reflected by it face is determined
It is fixed.Wherein, the reflecting surface of the second reflector plate 20 and its internal or other surfaces can be identical or different material, e.g., can be the
First surface coating reflecting material inside the first reflector plate of direction 10 of two reflector plates 20 forms the reflection of the second reflector plate 20
Face, reflecting material can be determined as needed, optionally, silver-colored reflection is coated with the reflecting surface of second reflector plate 20
Layer, aluminium reflecting layer or silver-colored aluminium mixed reflection layer；Second reflector plate 20 can be planar structure, or nonplanar structure,
When the first reflector plate 10 is planar structure, its shape can be arranged as required to as rectangle, trapezoidal, triangle or other shapes
Shape；Reflecting surface and corresponding first reflector plate 10 side 12 of the reflecting surface of second reflector plate 20 with the bottom surface 11 of the first reflector plate 10
The scope of angle of reflecting surface can be more than or equal to 90 °, i.e. the second reflector plate 20 can be bonded or not to be fitted in first anti-
Penetrate on piece 10.Optionally, in the present embodiment, second reflector plate 20 can be bonded with first reflector plate 10 (as schemed
Shown in 1C and Fig. 1 D), to reduce to the occupancy of the inner space of the first reflector plate 10, now, the reflecting surface of the second reflector plate 20 with
The angle of the reflecting surface of corresponding the first be bonded reflector plate 10 is 180 °, i.e., mutually deviates from the reflecting surface of the second reflector plate 20
The non-reflecting surface of second sheet emitting 20 is pasted on the reflecting surface of the first sheet emitting 10；Or second reflector plate 20 and institute
State the first reflector plate 10 to be integrally formed, i.e. can be directly higher in the corresponding position of the first reflector plate 10 coating reflectivity
Reflecting material, it is second anti-higher than the reflectivity of the first reflector plate 10 to form reflectivity in the corresponding position of the first reflector plate 10
Penetrate piece 20.
The quantity of second reflector plate 20 can be set as needed, can e.g., in backlight module set 1,4 or
Second reflector plate 20 of other quantity.When the bottom surface 11 of the first reflector plate 10 is quadrilateral structure, in order to further improve the back of the body
The uniformity of display device display picture corresponding to optical mode group, it is preferred that the quantity of second reflector plate 20 is 4,4 institutes
Four drift angles that the second reflector plate 20 is located at first reflector plate 10 respectively are stated, the utility model embodiment is with the second reflector plate
Exemplified by 20 quantity is 4.
Herein, it should be pointed out that Figure 1A is only a schematic diagram of the utility model embodiment, and first shown in it
The shape of reflector plate 10, the shape of the second reflector plate 20 and quantity are not construed as limiting to the utility model embodiment, when first anti-
When to penetrate quantity that the reflector plate 20 of piece 10 and/or second is other shapes or the first reflector plate 10 be other numerical value, equally at this
Within the protection domain of utility model.
The down straight aphototropism mode set that the utility model embodiment one provides, in the corner position of the reflector plate of backlight module first
Place's increase reflectivity is higher than the second reflector plate of the first reflector plate, can improve what down straight aphototropism mode set corner location was reflected
The intensity of light, and then the light intensity of down straight aphototropism mode set corner location is improved, avoid down straight aphototropism mode set from occurring dark
Angle problem, improve the uniformity of the picture of display device corresponding to down straight aphototropism mode set.
Embodiment two
Fig. 2A is a kind of structural representation for down straight aphototropism mode set that the utility model embodiment provides, and Fig. 2 B are this reality
Apply the structure and position view of the second reflector plate 20 in the down straight aphototropism mode set that example is provided.The present embodiment is in above-mentioned implementation
Optimized on the basis of example, as shown in Figure 2 A and 2 B, in the down straight aphototropism mode set that the present embodiment is provided, described the
One reflector plate 10 includes bottom surface 11 and side 12；Second reflector plate 20 includes the first sub- 21 and second sub- reflector plate of reflector plate
22, the first sub- reflector plate 21 and the described second sub- reflector plate 22 are planar structure, and the first sub- reflector plate 21 is wherein
While with the described second sub- reflector plate 22 wherein while overlapping, the first sub- reflector plate 21 and the described second sub- reflector plate 22
Fit in respectively in two adjacent sides 12 of first reflector plate 10.
Wherein, the first sub- 21 and second sub- reflector plate 22 of reflector plate can be fitted in the reflection of its corresponding first reflector plate 10
On face, the form and dimension of the first sub- 21 and second sub- reflector plate 22 of reflector plate can be with identical or different, the first sub- reflector plate 21
It can be triangle, quadrangle or other shapes with the second sub- reflector plate 22, not be restricted herein.In practical application, first
Near four corner locations of reflector plate 10, typically smaller with the distance of the corresponding drift angle of first reflector plate 10, the opening position connects
The intensity of the light received is weaker, it is preferred, therefore, that the first sub- reflector plate 21 and the described second sub- reflector plate 22 are triangle
(now, as shown in Figure 3A, the position of the second sub- reflector plate 22 shows the structural representation of down straight aphototropism mode set shape structure with structure
It is intended to as shown in Figure 3 B).
In addition, exemplary, as shown in Figure 4 A and 4 B shown in FIG., the second reflector plate 20 can also include the 3rd sub- reflector plate 23,
The a certain drift angle of 3rd sub- reflector plate 23 is equal with the drift angle of the bottom surface 11 of the first reflector plate 10, and two articles of sides of the drift angle are respectively with
The base coincident of one sub- 21 and second sub- reflector plate 22 of reflector plate.The form and dimension of 3rd sub- reflector plate 23 can be as needed
It is configured, e.g., the 3rd sub- reflector plate 23 could be arranged to triangular structure etc..
On the basis of such scheme, (the second reflector plate is not provided in figure) as shown in Figure 5A, the present embodiment provides straight
Type backlight module, can also include LED light bar 30 and diffuser plate 40, and the LED light bar 30 is installed on first reflector plate
10 lower section, the diffuser plate 40 are installed on the top of first reflector plate 10.Wherein, LED light bar 30 is direct-type backlight
The backlight luminescence device of module, it can be used for converting electrical energy into light, lens can be included in LED light bar 30, lens can be located at LED
The top of the lamp bead of lamp bar 30, to expand the lighting angle of LED light bar 30；Diffuser plate 40 can utilize the refraction principle of light by random angle
The incident light of degree is diffused as the emergent light that beam angle is 160 °~176 °, so as to improve straight-down negative by the beam angle for changing light
The uniformity of picture shown by display corresponding to backlight module.The thickness range of diffuser plate 40 can be 1.2mm~2mm, this
When, diffuser plate 40 has certain intensity, and when other diaphragms in down straight aphototropism mode set be present, diffuser plate 40 can also be to other
Diaphragm plays certain supporting role.
On the basis of such scheme, (the second reflector plate is not provided in figure) as shown in Figure 5 B, the present embodiment provides straight
Type backlight module can also include blast piece 50 and diffusion sheet 60, and the blast piece 50 is installed on the upper of the diffuser plate 40
Side, the diffusion sheet 60 are installed on the top of the blast piece 50.Wherein, blast piece 50 can be prism structure, for being lifted
The brightness of display corresponding to down straight aphototropism mode set；Diffusion sheet 60 can be a kind of based on the thin of PET materials coating diffusion layer
Film, it can utilize the shooting angle of the scattering basis mechanism increasing light of light, so as to be atomized picture, further lift direct-type backlight
The uniformity of picture shown by display corresponding to module.
Exemplary, as shown in Figure 5 C, transmission path of the light in one cyclic process of down straight aphototropism mode set can be with
For：The mesh that the light that LED light bar 30 is sent passes through in the first reflector plate 10 is transmitted through diffuser plate 40；First reflector plate 10 and
Light received in above each cyclic process and this cyclic process is reflected back diffuser plate 40 by two reflector plates 20；Diffuser plate 40
Received some light is reflected back the first reflector plate 10 and the second reflector plate 20, by received another part light
Blast piece 50 is transmitted through, wherein, the light that diffuser plate 40 receives both includes the light that LED light bar 30 is sent, and also includes circulation
During the first reflector plate 10 and the second reflector plate 20 reflection light；Blast piece 50 reflects received some light, and
Received another part light is transmitted through diffusion sheet 60；Diffusion sheet 60 reflects received some light, and transmits
Received another part light.
The down straight aphototropism mode set that the utility model embodiment two provides, in the corner position of the reflector plate of backlight module first
Place's increase reflectivity is higher than the first reflector plate and includes the second reflector plate of at least two sub- reflector plates, and the son of the second reflector plate is anti-
Penetrate side to be fitted on the first reflector plate, can further improve the strong of the light that down straight aphototropism mode set corner location is reflected
Degree, and then the light intensity of down straight aphototropism mode set corner location is further improved, avoid down straight aphototropism mode set from dark angle occur
Problem, improve the uniformity of the picture of display device corresponding to down straight aphototropism mode set.
Embodiment three
The utility model embodiment three provides a kind of display, and the display includes straight described in the utility model embodiment
Type backlight module, possesses the corresponding beneficial effect of down straight aphototropism mode set of the utility model embodiment offer.Not in this implementation
The ins and outs of detailed description in example, reference can be made to the down straight aphototropism mode set that the utility model any embodiment is provided.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (10)
1. a kind of down straight aphototropism mode set, it is characterised in that including the first reflector plate (10) and at least one second reflector plate
(20)；Second reflector plate (20) is arranged at the inner side of the drift angle of first reflector plate (10), second reflector plate
(20) reflecting surface is connected with the reflecting surface of first reflector plate (10)；The reflection of the reflecting surface of second reflector plate (20)
Reflectivity of the rate higher than the reflecting surface of first reflector plate (10).
2. down straight aphototropism mode set according to claim 1, it is characterised in that second reflector plate (20) and described the
One reflector plate (10) is bonded.
3. down straight aphototropism mode set according to claim 2, it is characterised in that first reflector plate (10) includes bottom surface
And side (12) (11)；Second reflector plate (20) includes the first sub- reflector plate (21) and the second sub- reflector plate (22), described
First sub- reflector plate (21) and the described second sub- reflector plate (22) they are planar structure, wherein the one of the first sub- reflector plate (21)
Side is with the described second sub- reflector plate (22) wherein while overlapping, the first sub- reflector plate (21) and the described second sub- reflector plate
(22) fit in respectively in two adjacent sides (12) of first reflector plate (10).
4. down straight aphototropism mode set according to claim 3, it is characterised in that the first sub- reflector plate (21) with it is described
Second sub- reflector plate (22) is triangular structure.
5. down straight aphototropism mode set according to claim 1, it is characterised in that the quantity of second reflector plate (20) is
4,4 second reflector plates (20) are located at four drift angles of first reflector plate (10) respectively.
6. down straight aphototropism mode set according to claim 1, it is characterised in that the reflecting surface of second reflector plate (20)
On be coated with argentum reflecting layer, aluminium reflecting layer or silver-colored aluminium mixed reflection layer.
7. according to the down straight aphototropism mode set described in claim 1-6 any one, it is characterised in that also including LED light bar
(30) and diffuser plate (40), the LED light bar (30) are installed on the lower section of first reflector plate (10), the diffuser plate (40)
It is installed on the top of first reflector plate (10).
8. down straight aphototropism mode set according to claim 7, it is characterised in that also including blast piece (50) and diffusion sheet
(60), the blast piece (50) is installed on the top of the diffuser plate (40), and the diffusion sheet (60) is installed on the blast piece
(50) top.
9. down straight aphototropism mode set according to claim 1, it is characterised in that second reflector plate (20) and described the
One reflector plate (10) is integrally formed.
10. a kind of display, it is characterised in that including the down straight aphototropism mode set described in claim 1-9 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047970.2U CN207049680U (en) | 2017-08-21 | 2017-08-21 | Direct type backlight module and display |
| PCT/CN2017/116791 WO2019037356A1 (en) | 2017-08-21 | 2017-12-17 | Direct type backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047970.2U CN207049680U (en) | 2017-08-21 | 2017-08-21 | Direct type backlight module and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049680U true CN207049680U (en) | 2018-02-27 |
Family
ID=61503203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721047970.2U Active CN207049680U (en) | 2017-08-21 | 2017-08-21 | Direct type backlight module and display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207049680U (en) |
| WO (1) | WO2019037356A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557721A (en) * | 2018-12-21 | 2019-04-02 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| WO2019206329A1 (en) * | 2018-04-28 | 2019-10-31 | 京东方科技集团股份有限公司 | Reflective sheet and manufacturing method therefor, and direct-lit backlight module and display device |
| CN113917737A (en) * | 2021-12-13 | 2022-01-11 | 荣耀终端有限公司 | Reflection paper, backlight module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3044245B2 (en) * | 1996-10-28 | 2000-05-22 | 紀夫 渡辺 | Advertising display board lighting system |
| JP2002169479A (en) * | 2000-12-04 | 2002-06-14 | Tama Electric Co Ltd | Backlight unit |
| CN100507664C (en) * | 2004-01-09 | 2009-07-01 | 友达光电股份有限公司 | Sidelight type aphototropism module and liquid crystal display device |
| CN101004508A (en) * | 2005-12-30 | 2007-07-25 | 友达光电股份有限公司 | Full run-down type backlight module |
| CN203349082U (en) * | 2013-06-27 | 2013-12-18 | 南京中电熊猫液晶显示科技有限公司 | Direct type backlight module |
| CN105864682A (en) * | 2015-01-20 | 2016-08-17 | 冠捷投资有限公司 | Reflector used for backlight module and backlight module |
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- 2017-08-21 CN CN201721047970.2U patent/CN207049680U/en active Active
- 2017-12-17 WO PCT/CN2017/116791 patent/WO2019037356A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019206329A1 (en) * | 2018-04-28 | 2019-10-31 | 京东方科技集团股份有限公司 | Reflective sheet and manufacturing method therefor, and direct-lit backlight module and display device |
| US11150514B2 (en) | 2018-04-28 | 2021-10-19 | Hefei Boe Vision-Electronic Technology Co., Ltd. | Reflective sheet and manufacturing method therefor, and direct-lit back light module and display device |
| CN109557721A (en) * | 2018-12-21 | 2019-04-02 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN109557721B (en) * | 2018-12-21 | 2022-01-07 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN113917737A (en) * | 2021-12-13 | 2022-01-11 | 荣耀终端有限公司 | Reflection paper, backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019037356A1 (en) | 2019-02-28 |
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