CN110262130A - Backlight module - Google Patents
Backlight module Download PDFInfo
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- CN110262130A CN110262130A CN201910555755.0A CN201910555755A CN110262130A CN 110262130 A CN110262130 A CN 110262130A CN 201910555755 A CN201910555755 A CN 201910555755A CN 110262130 A CN110262130 A CN 110262130A
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- Prior art keywords
- guide plate
- bending part
- light guide
- extension
- backlight module
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- 238000005452 bending Methods 0.000 claims abstract description 82
- 239000002096 quantum dot Substances 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The present invention discloses a kind of backlight module, includes light source, metal backing, light guide plate and quantum dot film.Metal backing packet has loading end.Light guide plate is located at the loading end of metal backing, and includes incidence surface and multiple non-incidence surfaces, and wherein light source corresponds to incidence surface, has gap between incidence surface and light source.Quantum dot film is set on light guide plate, and quantum dot film includes ontology, extension and multiple bending parts.Ontology is located on light guide plate.Extension is extended from ontology toward light source direction, on the first projection plane of parallel ontology, extension and light source overlapping portions.Bending part distinctly extends toward the direction of non-incidence surface.Bending part is distinctly stacked with non-incidence surface on the second projection plane perpendicular to the first projection plane.Bending part does not contact the loading end of metal backing.The present invention can be conducive to the balance of display color gamut and color.
Description
Technical field
The present invention relates to field of display, especially a kind of backlight module.
Background technique
In the backlight module of available liquid crystal display, quantum dot can be excited using blue light by the setting of quantum dot film,
So that quantum dot is issued feux rouges, green light etc. again, can so reach wider gamut standards.
However, aqueous vapor and oxygen are likely to result in quantum point failure from being easy to enter from the sidewall diffusion of quantum dot film.Amount
Sub- point failure usually first occurs in quantum dot film edge range, this phenomenon may cause incident blue light can not effectively and quantum dot
It reacts and directly passes through, therefore can see the dizzy situation held of blue in the edge of the active region of display.It is narrow with display
Frame, even Rimless design, in this way the problem of blue light is presented in display active area edge, for whole display colour gamut
It influences, it will be increasing.
Summary of the invention
The purpose of the present invention is to provide a kind of backlight module, allow to be conducive to the flat of display color gamut and color
Weighing apparatus.
To achieve the above object, here, providing a kind of backlight module.Backlight module includes light source, metal backing, light guide plate
And quantum dot film.Metal backing packet has loading end.Light guide plate is located at the loading end of metal backing, and includes incidence surface and multiple
Non- incidence surface, wherein light source corresponds to incidence surface, has gap between incidence surface and light source.Quantum dot film is set on light guide plate,
Quantum dot film includes ontology, extension and multiple bending parts.Ontology is located on light guide plate.Extension is from ontology toward light source side
To extending, on the first projection plane of parallel ontology, extension and light source overlapping portions, bending part is distinctly toward non-incidence surface
Direction extend, bending part is distinctly stacked with non-incidence surface on the second projection plane perpendicular to the first projection plane；Wherein,
Bending part does not contact the loading end of metal backing.
In some embodiments, the length of extension is indicated by following equation sequence (one), equation (one):
Wherein A is the length of extension, A1Length, A for gap2For width that the length of light source, Ly are light guide plate, δLGP
Thermal expansion coefficient, δ for light guide plateQDIt is temperature change value for thermal expansion coefficient, the △ T of quantum dot film.
In some embodiments, bending part covers non-incidence surface respectively.
Further, in some embodiments, bending part includes the first bending part and 2 second bending parts, the first bending part
Positioned at the opposite side of extension, two bending parts are separately connected the first bending part and extension, and the length of the first bending part is by following
Equation (two) indicates, the length of the second bending part is indicated by following equation sequence (three):
Equation (two): a1>=Lz,
Equation (three):
Wherein a1Length, a for the first bending part2It is to lead for length that the length of the second bending part, Lx are light guide plate, Lz
Thickness, the δ of tabula rasaLGPThermal expansion coefficient, δ for light guide plateQDIt is temperature change value for thermal expansion coefficient, the △ T of quantum dot film.
Further, in some embodiments, each second bending part includes backfin line, and backfin line is along being parallel to light guide plate
Width direction extend.In further embodiments, each second bending part includes multiple backfin lines, and backfin line is led along being parallel to
The width direction of tabula rasa extends.
In some embodiments, bending part is sticked in respectively on the non-incidence surface of light guide plate.
In some embodiments, backlight module further includes reflector plate and optical sheet, and light guide plate is located on reflector plate, optical sheet
On quantum dot film.
Further, in some embodiments, backlight module further includes backlight frame.Backlight frame includes side wall and extension
Wall.Metal backing has more side wall, and side wall is extended by one end of loading end along the direction for the thickness for being parallel to light guide plate.Side wall
It is connect with the side wall group of metal backing.Light source is set on the side wall of metal backing, and the side wall of backlight frame is along being parallel to leaded light
The direction of the thickness of plate extends, and wall extension connects side wall, and extends towards the direction of the thickness perpendicular to light guide plate, light source, anti-
A part of piece, light guide plate, quantum dot film and optical sheet is penetrated between metal backing and wall extension.
Further, in some embodiments, metal backing includes croze, and backlight frame side wall includes grab, grab
It is clamped with croze, so that having with side wall for metal backing is coplanar.
In conclusion backlight module is by by the extension of quantum dot film, it is ensured that when expanding with heat and contract with cold, extension and light source exist
The projection of vertical direction is overlapped, meanwhile, non-incidence surface is bent to by the bending part of quantum dot film and is not carried on the back with the metal of bottom
Plate connection.To, it avoids the blue light of light source from leaking, prevents the phenomenon that edge of display active region is in blue light, and ensure aobvious
Show the balance of device colour gamut and color.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the backlight module of first embodiment in a first direction.
Fig. 2 is schematic cross-sectional view of the backlight module in second direction of first embodiment.
Fig. 3 is the local top view before not the bending of backlight module of first embodiment.
Fig. 4 is the local top view before not the bending of backlight module of second embodiment.
Fig. 5 is schematic cross-sectional view of the backlight module in second direction of second embodiment.
Fig. 6 is the local top view before not the bending of backlight module of 3rd embodiment.
Fig. 7 is schematic cross-sectional view of the backlight module in second direction of 3rd embodiment.
Fig. 8 is top view of the backlight module in one embodiment of second direction.
Fig. 9 is bottom view of the backlight module in one embodiment of second direction.
Wherein, appended drawing reference:
1 backlight module, 10 light source
20 light guide plate, 21 incidence surface
The 23 non-incidence surfaces of non-incidence surface 25
30 quantum dot film, 31 ontology
33 extension, 35 bending part (the first bending part)
37 bending parts (the second bending part), 371 backfin line
40 metal backing, 41 loading end
43 side wall, 45 side surface
451 croze, 51 reflector plate
53 optical sheet, 60 backlight frame
61 side wall, 611 grab
63 wall extension, 70 mucigel
The length A of A extension1The length in gap
A2The length a of light source1The length of first bending part
a2The length of the length Lx light guide plate of second bending part
The thickness of the width Lz light guide plate of Ly light guide plate
The gap G the first projection plane of P1
The second projection plane of P2
Specific embodiment
In attached drawing, for the sake of clarity, it is exaggerated the width in subelement, region etc..Throughout the specification, identical
Appended drawing reference indicates identical element.It should be appreciated that ought such as element be referred to as it is another in another element "upper" or " being connected to "
When element, it can be connect directly on another element or with another element or intermediary element can be there is also.On the contrary, working as
When element is referred to as " directly on another element " or " being directly connected to " another element, intermediary element is not present.
It will be appreciated that though term " first ", " second ", " third " etc. herein can be used for describing various elements,
Component, region or part, but these component, assembly units, region and/or part should not be limited by these terms.These arts
Language is only used for distinguishing a component, assembly unit, region or part and another component, assembly unit, region, layer or part.Cause
This, " first element " discussed below, " component ", " region " or " part " can be referred to as second element, component, region or
Part is without departing from teaching herein.
In addition, the relative terms of such as "lower" or " bottom " and "upper" or " top " can be used to describe herein a member
The relationship of part and another element, as shown in the figure.It should be appreciated that relative terms are intended to include other than orientation shown in figure
The different direction of device.For example, being described as be in the member of the "lower" side of other elements if the device in an attached drawing is overturn
Part will be oriented at the "upper" side of other elements.Therefore, exemplary term "lower" may include the orientation of "lower" and "upper", depend on
In the specific orientation of attached drawing.Similarly, if the device in an attached drawing is overturn, other elements " lower section " are described as be in
Element will be oriented in other elements " top ".Therefore, exemplary term " following " or " following " may include top under
The orientation of side.
Fig. 1 is the schematic cross-sectional view of the backlight module of first embodiment in a first direction.Fig. 2 is the backlight of first embodiment
Schematic cross-sectional view of the module in second direction.Fig. 3 is the local top view before not the bending of backlight module of first embodiment.?
This, the direction B-B in the direction A-A, first direction substantially Fig. 3 in first direction substantially Fig. 3.
As shown in Figure 1 to Figure 3, backlight module 1 includes light source 10, light guide plate 20, quantum dot film 30 and metal backing
40.Metal backing 40 includes loading end 41 and side wall 43.Light source 10 is set on side wall 43.Side wall 43 by loading end 41 side
It vertically extends.Light guide plate 20 is set on loading end 41.Light guide plate 20 includes incidence surface 21 and multiple non-incidence surfaces 23,25.
Light source 10 corresponds to incidence surface 21, has clearance G between incidence surface 21 and light source 10.Quantum dot film 30 is set to light guide plate 20
On, quantum dot film 30 includes ontology 31, extension 33 and multiple bending parts 35,37.Ontology 31 is located on light guide plate 20,
The projection of vertical direction is substantially Chong Die with light guide plate 20.Direction of the extension 33 from ontology 31 toward light source 10 extends.
As shown in Figure 1, on the first projection plane P1 of parallel ontology 31, extension 33 and 10 overlapping portions of light source.Such as
Shown in Fig. 2, bending part 37 extends toward the direction of non-incidence surface 23 respectively, flat in the second projection perpendicular to the first projection plane P1
Bending part 37 and non-incidence surface 25 are stacked on the P2 of face.Although it is not shown in the diagrams, but it is understood that, bending part 35 is corresponding
Non- incidence surface 23 be also to be arranged such as above-mentioned mode.In addition, bending part 35,37 does not contact the loading end of metal backing 40
41。
Here, the length of extension 33 is indicated by following equation sequence (one),
Equation (one):
Wherein A is the length of extension 33, A1Length, A for clearance G2It is light guide plate 20 for the length of light source 10, Ly
Width, δLGPThermal expansion coefficient, δ for light guide plate 20QDIt is temperature change value for thermal expansion coefficient, the △ T of quantum dot film 30.
Here, light source 10 can be blue light-emitting diode, with excite the quantum dot in quantum dot film 30 with generate feux rouges,
Green light, to reach the color standard of wide colour gamut.It, can be in addition, the operation temperature of general backlight module 1 is 25 DEG C to 40 DEG C of room temperature
Default △ T is 15 DEG C the length of maximum extension 33 is arranged, in this way, can ensure that in thermal expansion, extension 33 and light source
10 vertical direction projection be overlapped, be avoided that blue light edge leakage, to ensure the colour gamut of display and the balance of color.
As shown in Figures 1 and 2, in some embodiments, backlight module 1 further includes reflector plate 51 and optical sheet 53.It is guide-lighting
Plate 20 is located on reflector plate 51, and optical sheet 53 is located on quantum dot film 30.Reflector plate 51 is usually white, by environment light or
It is that other light reflections for being internally reflected, reflecting are oriented in light guide plates 20, and optical sheet 53 can will be oriented to out light by light guide plate 20
Direction.
As shown in Figures 1 and 2, in some embodiments, backlight module 1 further includes backlight frame 60.Backlight frame 60 wraps
Containing side wall 61 and wall extension 63.43 groups of side wall of side wall 61 and metal backing 40 connect, the side wall 43 and backlight frame of metal backing 40
The side wall 61 of frame 60 extends along the direction for the thickness for being parallel to light guide plate 20.Wall extension 63 connects side wall 61, and towards vertical
Extend in the direction of the thickness of light guide plate 20.Light source 10, a part of light guide plate 20, a part of quantum dot film 30, reflector plate
51 some and a part of optical sheet 53 be located at metal backing 40 loading end 41 and backlight frame 60 wall extension 63 it
Between.
In this way, directly being appeared by side by the light that wall extension 63 can issue to avoid light source 10, light leakage can be reduced
Chance, and can ensure that the colour gamut of display and the balance of color.Further, backlight frame 60 can be black, in this way, with
The light penetrated by light guide plate 20 is absorbed, to reduce the chance of light leakage.
As shown in figure 3, bending part 35,37 can divide into the first bending part 35 and 2 second bending parts 37.First bending
Portion 35 is located at the opposite side of extension 33, and 2 second bending parts 37 are separately connected the first bending part 35 and extension 33.In addition, such as
Shown in Fig. 1 and Fig. 2, the second bending part 37 covers non-incidence surface 25 respectively, it is to be understood that although it is not shown in the diagrams, another
One direction, the first bending part 35 also cover non-incidence surface 23.Further, the first bending part 35 and the second bending part 37
It can be sticked on the non-incidence surface 23,25 of light guide plate 20 by mucigel 70 respectively, and the first bending part 35 and the second bending
Portion 37 is not contacted with metal backing 40.So, it is ensured that go out the light of light by 20 side of light guide plate, also can first excite quantum dot film 30
In quantum dot the infiltration of aqueous vapor, air is reduced, even in quantum dot film 30 in addition, by the side edge bending of quantum dot film 30
Quantum dot have the problem of failure, marginal position is located in dead space through bending, will not directly influence the master of viewing area
Colour gamut in dynamic area.
As shown in Figure 1 to Figure 3, it in order to avoid blue light is appeared by non-incidence surface 23,25, such as incidence surface 21, equally to examine
The problem of worry is expanded with heat and contract with cold.The length of first bending part 35 indicates by following equation sequence (two), the length of the second bending part 37 by
Following equation sequence (three) indicates.
Equation (two): a1>=Lz,
Equation (three):
Wherein a1Length, a for the first bending part 352For the length of the second bending part 37, the length that Lx is light guide plate 20,
Lz is thickness, the δ of light guide plate 20LGPThermal expansion coefficient, δ for light guide plate 20QDIt is for thermal expansion coefficient, the △ T of quantum dot film 30
Temperature change value.In this way, with ensure the first bending part 35, the second bending part 37 can completely be covered in rising-heat contracting-cold it is non-enter
Smooth surface 23,25.
Fig. 4 is the local top view before the backlight module of second embodiment is not bent.Fig. 5 is the backlight mould of second embodiment
Schematic cross-sectional view of the block in second direction.As shown in figure 4, the second bending part 37 of quantum dot film 30 includes a backfin line 371, pressure
Broken line 371 extends along the width direction for being parallel to light guide plate 20, it is, the extending direction along non-incidence surface 25 extends.
As shown in figure 5, a convex block can be generated after bending, length adjustment when expanding with heat and contract with cold is thereby ensured that, while also avoiding light leakage.
Fig. 6 is the local top view before not the bending of backlight module of 3rd embodiment.Fig. 7 is the backlight of 3rd embodiment
Schematic cross-sectional view of the module in second direction.As shown in fig. 6, the second bending part 37 of quantum dot film 30 includes multiple backfin lines
371, backfin line 371 extends along the width direction for being parallel to light guide plate 20.As shown in fig. 7, zigzag can be generated after bending
Structure, thereby ensure that length adjustment when expanding with heat and contract with cold, while also achieving the effect that avoid light leakage.
Fig. 8 is top view of the backlight module in one embodiment of second direction.Fig. 9 is that backlight module is implemented in second direction one
The bottom view of example.As shown in Figure 8, Figure 9, in some embodiments, croze 451 is offered on the side surface 45 of metal backing 40,
And grab 611 is further included on the side wall 61 of backlight frame 60.Grab 611 and croze 451 are clamped, so that the side table of metal backing 40
Face 45 is coplanar, the effect of capable of reaching display periphery thinning with side wall 61.Further, although not showed that in figure,
But it is understood that this embodiment can more save the side wall 43 of metal backing 40, light source 10 can be directly installed in side
Wall 61, and reach pole narrow frame effect.Here, metal backing 40 can have segment difference, and croze 451 and grab 611 can be
One or more, form and dimension can also be different.It is merely illustrative in the drawings, rather than to limit, various generations are flat altogether
The connection type in face is all adaptable mode.
To sum up described in embodiment, backlight module 1 is by by the extension 33 of quantum dot film 30, it is ensured that when expanding with heat and contract with cold, prolongs
Extending portion 33 is Chong Die in the projection of vertical direction with light source 10, meanwhile, by the bending part 35,37 of quantum dot film 30 be bent to it is non-enter
It smooth surface 23,25 and is not connect with the metal backing 40 of bottom.To avoid the blue light of light source 10 from leaking, prevent display actively
The phenomenon that edge in area is in blue light, and ensure the balance of display color gamut and color.
Although technology contents of the invention have been disclosed above in the preferred embodiment, however, it is not to limit the invention.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, be familiar with this field
Technical staff can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications all should belong to
The protection scope of the claims in the present invention.
Claims (10)
1. a kind of backlight module, characterized by comprising:
One light source；
One metal backing has a loading end；
One light guide plate includes an incidence surface and multiple non-incidence surfaces positioned at the loading end of the metal backing, wherein the light source pair
There should be a gap between the incidence surface, the incidence surface and the light source；And
One quantum dot film, is set on the light guide plate, which includes an ontology, an extension and multiple bending parts,
The ontology is located on the light guide plate, and direction of the extension from the ontology toward the light source extends, the one first of the parallel ontology
On projection plane, the extension and the light source overlapping portions, the bending part distinctly extend toward the direction of the non-incidence surface,
It is distinctly stacked perpendicular to the bending part on one second projection plane of first projection plane with the non-incidence surface；Wherein,
The bending part does not contact the loading end of the metal backing.
2. backlight module according to claim 1, which is characterized in that the length of the extension is by following equation sequence (one) table
Show:
Equation (one):
Wherein A is the length of the extension, A1Length, A for the gap2It is the width of the light guide plate for the length of the light source, Ly
Degree, δLGPThermal expansion coefficient, δ for the light guide plateQDIt is temperature change value for thermal expansion coefficient, the △ T of the quantum dot film.
3. backlight module according to claim 1, which is characterized in that shelter states non-incidence surface to the bending part respectively.
4. backlight module according to claim 3, which is characterized in that the bending part includes one first bending part and 2 the
Two bending parts, first bending part are separately connected first bending part in the opposite side of the extension, 2 second bending part
And the extension, wherein the length of first bending part indicated by following equation sequence (two), the length of second bending part by
Following equation sequence (three) indicates
Equation (two): a1>=Lz,
Equation (three):
Wherein a1Length, a for first bending part2It is for length that the length of second bending part, Lx are the light guide plate, Ly
The width of the light guide plate, thickness, the δ that Lz is the light guide plateLGPThermal expansion coefficient, δ for the light guide plateQDFor the quantum dot film
Thermal expansion coefficient, △ T are temperature change value.
5. backlight module according to claim 4, which is characterized in that respectively second bending part includes a backfin line, the pressure
Broken line extends along the width direction for being parallel to the light guide plate.
6. backlight module according to claim 4, which is characterized in that respectively second bending part includes multiple backfin lines, institute
Backfin line is stated to extend along the width direction for being parallel to the light guide plate.
7. backlight module according to claim 1, which is characterized in that the bending part sticks in the institute of the light guide plate respectively
It states on non-incidence surface.
8. backlight module according to claim 1, which is characterized in that further include a reflector plate and an optical sheet, the leaded light
Plate is located on the reflector plate, which is located on the quantum dot film.
9. backlight module according to claim 8, which is characterized in that further include a backlight frame, which includes
One side wall and a wall extension, the metal backing have more a side wall, which is led by one end of the loading end along this is parallel to
The direction of the thickness of tabula rasa extends, and the side wall group of the side wall and the metal backing connects, which is set on the side wall, the side
Wall extends along the direction for the thickness for being parallel to the light guide plate, which connects the side wall, and towards perpendicular to the light guide plate
The direction of thickness extend, the light source, the reflector plate, the light guide plate, the quantum dot film and the optical sheet a part be located at should
Between metal backing and the wall extension.
10. backlight module according to claim 9, which is characterized in that the metal backing includes a croze, the backlight frame
The side wall include a grab, the grab and the croze are clamped, so that having with the side wall for the metal backing is one coplanar.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862771264P | 2018-11-26 | 2018-11-26 | |
| US62/771,264 | 2018-11-26 | ||
| TW108105706 | 2019-02-20 | ||
| TW108105706A TWI671557B (en) | 2018-11-26 | 2019-02-20 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110262130A true CN110262130A (en) | 2019-09-20 |
| CN110262130B CN110262130B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910555755.0A Active CN110262130B (en) | 2018-11-26 | 2019-06-25 | Backlight module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111443524A (en) * | 2020-04-15 | 2020-07-24 | 合肥京东方光电科技有限公司 | Direct type backlight module and display device |
| CN111856815A (en) * | 2020-08-10 | 2020-10-30 | 深圳市宝明科技股份有限公司 | Backlight module and display device |
| CN113376729A (en) * | 2021-03-09 | 2021-09-10 | 达运精密工业股份有限公司 | Backlight module and display device thereof |
| WO2023215140A1 (en) * | 2022-05-06 | 2023-11-09 | Corning Incorporated | Display device including a backlight unit with chamfered diffuser plate |
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