CN108227308A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN108227308A CN108227308A CN201810095639.0A CN201810095639A CN108227308A CN 108227308 A CN108227308 A CN 108227308A CN 201810095639 A CN201810095639 A CN 201810095639A CN 108227308 A CN108227308 A CN 108227308A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- light
- curved surface
- light guide
- mosaic face
- 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.)
- Pending
Links
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module, and including curved surface light guide structure, light source and framework, the curved surface light guide structure is spliced to form by least two light elements, and the curved surface light guide structure, the light source are assembled on the framework.The curved surface light guide structure is spliced to form by least two light element so that the curvature-adjustable section of the curved surface light guide structure, and then the demand of different curvature can be catered to.The present invention also provides a kind of display devices for having the backlight module.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight module and the display device for having the backlight module.
Background technology
Ultra-thin curved design is one of display technology development trend, for example, having the ultra-thin curved surface electricity of more moneys currently on the market
On sale depending on product, the multinomial relatively data such as contrast, brightness, visual angle show that curved surface TV is more than flat-surface television.It is in general, bent
Flat-panel display device is designed using the light guide plate (Light Guide Plate, LGP) of one, however, due to the internal stress of material,
Light guide plate is caused to be difficult to be bent, it is difficult to cater to the demand of different curvature.
Invention content
In order to solve foregoing problems, the present invention provides a kind of backlight module and has the display device of the backlight module.
A kind of backlight module, including curved surface light guide structure, light source and framework, the curved surface light guide structure is led by least two
Light unit is spliced to form, and the curved surface light guide structure, the light source are assembled on the framework.
Further, a stress slot is formed between each two light element, to discharge internal stress.It is further described to answer
Power slot fills optical cement.
Further, the curved surface light guide structure is bent along the first direction.
Further, each light element includes the first surface and second surface that are oppositely arranged, and described at least two lead
The first surface of light unit is spliced to form the front of the curved surface light guide structure, the third surface of at least two light element
The back side of the curved surface light guide structure is spliced to form, the first surface and the second surface are plane.
Further, between two adjacent light elements, the first Mosaic face of a light element and another guide-lighting list
Second Mosaic face of member matches.
Further, each light element further includes the first Mosaic face and the second Mosaic face being oppositely arranged, and described first
Surface, first Mosaic face, the second surface and second Mosaic face are sequentially connected setting, and adjacent two guide-lighting single
Between member, the first Mosaic face of a light element splices with the second Mosaic face of another light element.
Further, first Mosaic face is at least one of plane, cascaded surface, curved surface and inclined-plane, and described second spells
Junction is at least one of plane, cascaded surface, curved surface and inclined-plane.
Further, at least two light element is formed by same light guide plate even partition.
Further the backlight module further includes reflector plate, the reflector plate be installed in the framework and with the curved surface
Light guide structure is stacked.
A kind of display device, including above-mentioned backlight module.
Backlight module provided by the invention and display device, the curved surface light guide structure is by least two light element
It is spliced to form so that the curvature-adjustable section of the curved surface light guide structure can cater to the demand of different curvature.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the floor map of backlight module provided in an embodiment of the present invention；
Fig. 2 is the part-structure side view of backlight module provided in an embodiment of the present invention；
Fig. 3 is the side view of adjacent two light element in the curved surface light guide structure of backlight module shown in Fig. 2；
Fig. 4 is the side view of two adjacent light elements of the another kind provided in the embodiment of the present invention；
Fig. 5 is the side view of two adjacent light elements of the another kind provided in the embodiment of the present invention；
Fig. 6 is the side view of two adjacent light elements of the another kind provided in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, the embodiment of the present invention provides a kind of backlight module 100.The backlight module 100 includes song
Face light guide structure 10, light source (not shown) and framework 50.The curved surface light guide structure 10 is spliced by least two light elements 13
It is formed, the curved surface light guide structure 10, the light source are assembled on the framework 50.
Further, a stress slot 15 is formed between each two light element 13, to discharge internal stress.Due to guide-lighting single
Internal stress between member 13 is eliminated, so as to reduce the bounce under 10 flexuosity of curved surface light guide structure.
It is appreciated that the stress slot 15 can fill optical cement.The optical cement can absorb the curved surface leaded light knot
The stress that structure 10 is generated by bending, improves the curvature stability of the curved surface light guide structure 10, while avoid the entrance of dust,
Influence display performance.
In present embodiment, the shape and size of each light element 13 are identical, and light element 13 is made can reduce
And the difficulty of curved surface light guide structure 10.Multiple light elements 13 arrange be spliced to form curved surface light guide structure 10 along the first direction.It changes
Sentence is talked about, and the curved surface light guide structure 10 is bent along the first direction.The curved surface light guide structure 10 substantially globoidal structure.It can be with
Understand, in other embodiments, the curved surface light guide structure 10 can be other curved-surface structures, such as shapes such as S-shaped.
When making the curved surface light guide structure 10, by the way that a flat light guide plate (not shown) is evenly divided into
At least two light elements 13 according to required curvature, are spliced shape by at least two independent light elements 13
Into the curved surface light guide structure 10.
Further, the backlight module 100 further includes reflector plate 70, the reflector plate 70 and the curved surface light guide structure
10 are stacked.
Further, as shown in figure 3, schematic diagram for two adjacent light elements 13, each light element 13 include
First surface 131, second surface 132, the first Mosaic face 135 and the second Mosaic face 136, the first surface 131 and described the
Two surfaces 132 are oppositely arranged, and first Mosaic face 135 and second Mosaic face 136 are oppositely arranged.The first surface
131st, the second surface 132, first Mosaic face 135 and second Mosaic face 136 are plane, with system easy to process
Make.
The first surface 131, first Mosaic face 135, the second surface 132 and second Mosaic face 136
Setting is sequentially connected, the first surface 131 of at least two light element 13 is spliced to form the curved surface light guide structure 10
Front, the third surface 133 of at least two light element 13 are spliced to form the back side of the curved surface light guide structure 10.Each
The first Mosaic face 135 and the second Mosaic face 136 of adjacent light element 13 of light element 13 are disposed adjacent and are spaced to be formed
One stress slot 15.The reflector plate 70 is set adjacent to the second surface 132 of the light element 13.
Light element 13 is usually with optical grade acryl (PMMA, polymethyl methacrylate) or optical grade PC (poly- carbonic acid
Ester) for base material, have ultra-thin, superbright, it is guide-lighting uniformly, energy-saving and environmental protection, no dark space, durable, to be not easy yellow, installation and maintenance simple
The advantages that quick.
The present invention also provides a kind of display device (not shown).The display device includes above-mentioned backlight module 100 and liquid
Crystal panel, the liquid crystal display panel is set on the backlight module 100, in the present embodiment, the liquid crystal display panel and the backlight mould
It is fixed between group 100 by double faced adhesive tape, the backlight module 100 is used to supply the brightness of the display device abundance, can
Normal display image.
In the prior art, due to being limited to equipment, large-sized light guide plate is difficult to be bent, so be difficult to prepare super large ruler
The display device of very little (more than 100 cun) wide cut.
And backlight module 100 provided by the invention and display device, the curved surface light guide structure 10 is by described at least two
Light element 13 is spliced to form so that the curvature-adjustable section of the curved surface light guide structure 10 can cater to the demand of different curvature.
In addition, backlight module 100 provided by the invention can also improve office of large-sized light guide structure on equipment, processing procedure and yield
Limit, and then reduce processing procedure loss.In addition, a stress slot 15, the curved surface leaded light knot are formed between each two light element 13
Structure 10 can discharge internal stress and be not easy to deform fracture.What is more, the multiple light element 13 is plane tabular structure, nothing
The light element 13 need to be bent, but be led by carrying out being spliced to form the curved surface the multiple light element 13
Photo structure 10, and then simplify the processing procedure of the curved surface light guide structure 10.
In one embodiment, in two adjacent light elements 13, the first Mosaic face 135 and phase of a light element 13
Second Mosaic face 136 of adjacent light element 13 matches, referring to Fig. 4, in two adjacent light elements 13, a leaded light
First Mosaic face 135 of unit 13 is the first inclined-plane, and the second Mosaic face 136 of another light element 13 is and first inclined-plane
The second inclined-plane to match.In another embodiment, referring to Fig. 5, in two adjacent light elements 13, a light element
13 the first Mosaic face 135 and the second Mosaic face 136 of another light element 13 are the cascaded surface to match；Referring to Fig. 6,
In two adjacent light elements 13, the first Mosaic face 135 and the second of another light element 13 of a light element 13
Mosaic face 136 is the curved surface to match.
It is appreciated that the second Mosaic face of the first Mosaic face 135 and adjacent light element 13 of each light element 13
136 shape can misfit, and at least two light element 13 is spliced to form curved surface light guide structure 10.
It is appreciated that first Mosaic face 135 is at least one of plane, cascaded surface, curved surface and inclined-plane, described second
Mosaic face 136 is at least one of plane, cascaded surface, curved surface and inclined-plane.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent variations made according to the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of backlight module, which is characterized in that the backlight module includes curved surface light guide structure, light source and framework, the song
Face light guide structure is spliced to form by least two light elements, and the curved surface light guide structure, the light source are assembled on the frame
Body.
2. backlight module as described in claim 1, which is characterized in that a stress slot is formed between each two light element,
To discharge internal stress.
3. backlight module as claimed in claim 2, which is characterized in that the stress slot fills optical cement.
4. backlight module as described in claim 1, which is characterized in that each light element includes the first surface being oppositely arranged
And second surface, the first surface of at least two light element is spliced to form the front of the curved surface light guide structure, described
The third surface merging of at least two light elements forms the back side of the curved surface light guide structure, the first surface and described the
Two surfaces are plane.
5. backlight module as claimed in claim 4, which is characterized in that each light element further includes first be oppositely arranged and spells
Junction and the second Mosaic face, the first surface, first Mosaic face, the second surface and second Mosaic face are successively
Connection is set, between adjacent two light elements, the first Mosaic face of a light element and the second of another light element
Mosaic face splices.
6. backlight module as claimed in claim 5, which is characterized in that between two adjacent light elements, one guide-lighting single
First Mosaic face of member matches with the second Mosaic face of another light element.
7. backlight module as claimed in claim 5, which is characterized in that first Mosaic face for plane, cascaded surface, curved surface and
At least one of inclined-plane, second Mosaic face are at least one of plane, cascaded surface, curved surface and inclined-plane.
8. backlight module as described in claim 1, which is characterized in that at least two light element is by same light guide plate
Even partition forms.
9. backlight module as described in claim 1, which is characterized in that the backlight module further includes reflector plate, the reflection
Piece is installed in the framework and is stacked with the curved surface light guide structure.
10. a kind of display device, which is characterized in that it includes the backlight module as described in claim 1 to 9 any one and sets
Liquid crystal display panel on the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095639.0A CN108227308A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095639.0A CN108227308A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108227308A true CN108227308A (en) | 2018-06-29 |
Family
ID=62670117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095639.0A Pending CN108227308A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108227308A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110534020A (en) * | 2019-09-30 | 2019-12-03 | 厦门天马微电子有限公司 | A kind of lamp plate, backlight module and display device |
| CN110716351A (en) * | 2019-10-31 | 2020-01-21 | 厦门天马微电子有限公司 | Backlight module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765097A (en) * | 2015-04-08 | 2015-07-08 | 京东方科技集团股份有限公司 | Light guide structure, backlight module and display device |
| US20160245986A1 (en) * | 2015-02-25 | 2016-08-25 | Rambus Delaware Llc | Light guide assembly, housing assembly, and lighting assembly including same |
| CN106873073A (en) * | 2017-04-28 | 2017-06-20 | 福州京东方光电科技有限公司 | light guide plate and preparation method thereof, backlight module |
| CN107238971A (en) * | 2017-06-16 | 2017-10-10 | 厦门天马微电子有限公司 | Combine light guide plate, backlight assembly and display panel |
-
2018
- 2018-01-31 CN CN201810095639.0A patent/CN108227308A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160245986A1 (en) * | 2015-02-25 | 2016-08-25 | Rambus Delaware Llc | Light guide assembly, housing assembly, and lighting assembly including same |
| CN104765097A (en) * | 2015-04-08 | 2015-07-08 | 京东方科技集团股份有限公司 | Light guide structure, backlight module and display device |
| CN106873073A (en) * | 2017-04-28 | 2017-06-20 | 福州京东方光电科技有限公司 | light guide plate and preparation method thereof, backlight module |
| CN107238971A (en) * | 2017-06-16 | 2017-10-10 | 厦门天马微电子有限公司 | Combine light guide plate, backlight assembly and display panel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110133917B (en) * | 2019-06-28 | 2023-04-28 | 厦门天马微电子有限公司 | Curved surface backlight module and display device |
| CN110534020A (en) * | 2019-09-30 | 2019-12-03 | 厦门天马微电子有限公司 | A kind of lamp plate, backlight module and display device |
| CN110534020B (en) * | 2019-09-30 | 2021-09-21 | 厦门天马微电子有限公司 | Lamp panel, backlight module and display device |
| CN110716351A (en) * | 2019-10-31 | 2020-01-21 | 厦门天马微电子有限公司 | Backlight module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9470920B2 (en) | Mold frame for curved displaying and curved liquid crystal display device using same | |
| CN105842919A (en) | Backlight unit, display module and display equipment | |
| CN108227308A (en) | Backlight module and display device | |
| CN104570448A (en) | Display panel and display device | |
| CN103295481A (en) | Frameless display device | |
| US20200133071A1 (en) | Reflective sheet and manufacture method thereof, backlight module and liquid crystal display device | |
| CN106873073A (en) | light guide plate and preparation method thereof, backlight module | |
| CN103388786A (en) | Backlight module and liquid crystal display | |
| US20160091659A1 (en) | Backlight, liquid crystal module and display device | |
| CN105549265A (en) | Backlight module and liquid crystal displayer | |
| WO2016070583A1 (en) | Curved display panel, curved display device, and manufacturing method therefor | |
| CN104748017A (en) | Backlight source and display device | |
| CN104913240A (en) | Backlight module and liquid crystal displayer | |
| KR101838566B1 (en) | Curved type imaging device | |
| CN103453463B (en) | A kind of light guide plate, backlight module and display unit | |
| CN204116755U (en) | Display device | |
| CN103558707B (en) | A kind of liquid crystal module and display device | |
| CN101191851A (en) | Optical plate | |
| US8994895B2 (en) | Backlight module and liquid crystal display apparatus | |
| US20160341872A1 (en) | Light guide plate, back light module and liquid crystal display device | |
| CN204853358U (en) | Limit structure , backlight unit and display device | |
| KR100965207B1 (en) | An optical film for back light unit and manufacturing method of an optical film thereof | |
| US11774662B2 (en) | Light guiding structure, light source module and display module | |
| US20140314376A1 (en) | Backlight module | |
| CN208076752U (en) | Backlight module and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |