CN204554543U - Backlight module and liquid crystal indicator - Google Patents
Backlight module and liquid crystal indicator Download PDFInfo
- Publication number
- CN204554543U CN204554543U CN201520244083.9U CN201520244083U CN204554543U CN 204554543 U CN204554543 U CN 204554543U CN 201520244083 U CN201520244083 U CN 201520244083U CN 204554543 U CN204554543 U CN 204554543U
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- CN
- China
- Prior art keywords
- quantum dot
- backlight module
- package tube
- substrate
- dot package
- 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.)
- Expired - Fee Related
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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
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses a kind of backlight module, comprise LED lamp bar, quantum dot package tube, light guide plate, backboard and fixed support, LED lamp bar comprises substrate and is fixed on the some LED on substrate, substrate and backboard are fixed, fixed support is connected with substrate or backboard, fixed support comprises the fixed part for fixedly mounting quantum dot package tube and the support portion for carrying light guide plate, quantum dot package tube is fixed on the position towards LED by fixed part, and the incidence surface of light guide plate is towards quantum dot package tube.The invention also discloses a kind of liquid crystal indicator.Backlight module provided by the utility model can improve the display colour gamut of the liquid crystal indicator with this backlight module.
Description
Technical field
The utility model relates to Display Technique field, particularly relates to a kind of backlight module and a kind of liquid crystal indicator with this backlight module.
Background technology
At present, the backlight module of common liquid crystal indicator adopts white light LEDs as backlight usually, obtain more rich color displays by the photoresistance of colored filter, cooperation LCD screen again, the display colour gamut of current liquid crystal indicator generally can reach NTSC ((U.S.) NTSC) about 72%.But the lifting required for image quality along with consumer, the display colour gamut of current liquid crystal indicator has been difficult to satisfy the demands of consumers.
Utility model content
Main purpose of the present utility model is to provide a kind of backlight module and a kind of liquid crystal indicator with this backlight module, is intended to promote the display colour gamut of the liquid crystal indicator with this backlight module.
For achieving the above object, the utility model provides a kind of backlight module, comprise LED lamp bar, quantum dot package tube, light guide plate, backboard and fixed support, described LED lamp bar comprises substrate and fixing some LED on the substrate, described substrate and described backboard are fixed, described fixed support is connected with described substrate or described backboard, described fixed support comprises for fixedly mounting the fixed part of described quantum dot package tube and the support portion for carrying described light guide plate, described quantum dot package tube is fixed on the position towards described LED by described fixed part, the incidence surface of described light guide plate is towards described quantum dot package tube.
Preferably, described fixed part offers and inserts fixing accepting groove for described quantum dot package tube; On the side channel wall of the close described LED lamp bar of described accepting groove, described fixed support offers some first through holes passed for described LED; At described accepting groove away from the side channel wall of described LED lamp bar, described fixed support offers the first opening that the light that sends for described LED passes.
Preferably, described fixed support is provided with the first limiting section departing from described accepting groove for limiting described quantum dot package tube to the direction away from described LED lamp bar at described first opening part, described fixed support is also provided with for limiting described quantum dot package tube to the second limiting section near described LED lamp bar movement in described accepting groove.
Preferably, spaced apart setting between described quantum dot package tube and described LED.
Preferably, the part of the close described backboard of described fixed part extends to the direction deviating from described LED lamp bar and forms described support portion.
Preferably, the side of the close described backboard of described substrate is convexly equipped with some locating fasteners towards described backboard interval, and described some locating fasteners insert in described backboard and fix with described backboard.
Preferably, described backlight module also comprises protective sleeve, and described protective sleeve is adjacent to any one or both ends of described fixed support length direction, and described protective sleeve is connected with described substrate.
Preferably; described protective sleeve has the protector of the secondary sealing end for accommodating described quantum dot package tube; described protector one end along its length and described support bracket fastened fixed part adjoin, and described protector is at the end closure away from described fixed support direction.
Preferably, described substrate protrudes from a sealing end of described quantum dot package tube on the direction along described substrate length.
In addition, for achieving the above object, the utility model also provides a kind of liquid crystal indicator, comprises described backlight module.
Backlight module provided by the utility model is fixed by substrate and backboard, and by support bracket fastened fixed part, quantum dot package tube is fixed on the dead ahead of LED, and by support bracket fastened support portion, light guide plate is stablized the dead ahead being carried on quantum dot package tube, thus the mixed white light of gained can enter light guide plate as the liquid crystal indicator with this backlight module provides backlight from incidence surface after making blue LED lamp excitation quantum point package tube, the backlight that the white light backlight photo that this kind of mode provides provides for traditional white LED lamp, the color saturation of liquid crystal can be improved, thus improve the display colour gamut with the liquid crystal indicator of this backlight module, particularly, the display colour gamut of liquid crystal indicator can be promoted about 30% by the white light backlight that this kind of mode provides, reach about NTSC110%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model backlight module one embodiment;
Fig. 2 is the enlarged diagram at II place in Fig. 1;
Fig. 3 is the cross section structure schematic diagram of backlight module in Fig. 1;
Fig. 4 is a time of the quantum dot package tube of backlight module in Fig. 1 structural representation between sealing end and LED lamp bar;
Fig. 5 is the structural representation between the secondary sealing end of the quantum dot package tube of backlight module in Fig. 1 and LED lamp bar, light guide plate.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of backlight module.
Referring to figs. 1 through Fig. 3, in one embodiment, this backlight module comprises LED lamp bar 10, quantum dot package tube 20, light guide plate 40, backboard (not shown) and fixed support 30, wherein, LED lamp bar 10 comprises substrate 11 and fixing some LED 12 on the substrate 11, and this substrate 11 is fixed with backboard.Fixed support 30 is connected with substrate 11 or backboard, and that is fixed support 30 can be connected with substrate 11, or fixed support 30 also can be connected with backboard.Preferably, the fixed part 31 of fixed support 30 is fixedly connected with substrate 11.Fixed support 30 comprises the fixed part 31 for fixedly mounting quantum dot package tube 20 and the support portion 32 for carrying light guide plate 40, quantum dot package tube 20 is fixed on the position towards LED 12 by the fixed part 31 of fixed support 30, and the incidence surface 41 of light guide plate 40 is towards quantum dot package tube 20.Preferably, quantum dot package tube 20 at least partially just to LED 12, quantum dot package tube 20 at least partially just to the incidence surface 41 of light guide plate 40.The light that LED 12 in LED lamp bar 10 sends can enter in light guide plate 40 through quantum dot package tube 20.In the present embodiment, LED 12 is blue LED lamp, and substrate 11 is elongated, and multiple blue LED lamp arranges along the length direction uniform intervals of substrate 11 on the substrate 11; Quantum dot package tube 20 is packaged with the glass tube of the quantum dot of the excitated red light of energy and green light in being, and the axis direction of quantum dot package tube 20 is parallel to the length bearing of trend of substrate 11, quantum dot package tube 20 has along its axial relative sealing end 21 and secondary sealing end 22; The blue light that LED 12 in LED lamp bar 10 sends is mixed to get white light with excited ruddiness and green glow after quantum dot package tube 20, thinks that the liquid crystal indicator with this backlight module provides backlight; In the present embodiment, particularly, the part of the close backboard of fixed part 31 extends to the direction deviating from LED lamp bar 10 and forms the support portion 32 of fixed support 30, this support portion 32 for carrying light guide plate 40, to improve the stability of relative position between light guide plate 40 and quantum dot package tube 20; The side of the close backboard of substrate 11 is convexly equipped with some locating fasteners 111 towards backboard interval, and this some locating fastener 111 inserts in backboard that to realize with backboard fixing.
The backlight module that the present embodiment provides is fixed by substrate 11 and backboard, and by the fixed part 31 of fixed support 30, quantum dot package tube 20 is fixed on the dead ahead of LED 12, and by the support portion 32 of fixed support 30, light guide plate 40 is stablized the dead ahead being carried on quantum dot package tube 20, thus the mixed white light of gained can enter light guide plate 40 as the liquid crystal indicator with this backlight module provides backlight from incidence surface 41 after making blue LED lamp 12 excitation quantum point package tube 20, the backlight that the white light backlight photo that this kind of mode provides provides for traditional white LED lamp, the color saturation of liquid crystal can be improved, thus improve the display colour gamut with the liquid crystal indicator of this backlight module, particularly, the display colour gamut of liquid crystal indicator can be promoted about 30% by the white light backlight that this kind of mode provides, reach about NTSC110%.
In the present embodiment, particularly, the fixed part 31 of fixed support 30 offers and inserts fixing accepting groove 311 for quantum dot package tube 20.On the side channel wall of the close LED lamp bar 10 of accepting groove 311, fixed support 31 offers some first through holes 312 passed for LED 12.At accepting groove 311 away from the side channel wall of LED lamp bar 12, fixed support 31 also offers the first opening 313 that the light that sends for LED 12 passes.The light that LED 12 in LED lamp bar 10 sends enters in light guide plate 40 successively after the quantum dot package tube 20 in accepting groove 311 and the first opening 313.In the present embodiment, each first through hole 312 just to a LED 12, or, first through hole 312 just to several adjacent LED 12, as long as ensure that the light that each LED 12 sends can enter in accepting groove 311 through the first corresponding through hole 312; And the length bearing of trend of the first opening 313 is parallel to the axis direction of quantum dot package tube 20.
In the present embodiment, further, fixed support 30 is provided with for limiting first limiting section 314 of quantum dot package tube 20 to the direction disengaging accepting groove 311 away from LED lamp bar 10 at the first opening 313 place, fixed support 30 is also provided with restriction quantum dot package tube 20 to the second limiting section 315 near LED lamp bar 10 movement in accepting groove 311, stablizes with the relative distance realized between quantum dot package tube 20 and LED lamp bar 10.In the present embodiment, first limiting section 314 has several, this several the first limiting section 314 is arranged along the length bearing of trend interval of fixed support 30, and each first limiting section 314 comprise from the upper edge of the first opening 313 to the lower upper button along projection of the first opening 313 and from the lower edge of the first opening 313 on the first opening 313 the lower button along projection; Similar, the second limiting section 315 also has several, and this several the second limiting section 315 is arranged along the length bearing of trend interval of fixed support 30, the setting and the second limiting section 315 and the first limiting section 314 stagger.
With reference to Fig. 3, in the present embodiment, spaced apart setting between the LED 12 of quantum dot package tube 20 and LED lamp bar 10, that is has gap between quantum dot package tube 20 and LED 12, also has gap between the incidence surface 41 of light guide plate 40 and quantum dot package tube 20.In the present embodiment, between quantum dot package tube 20 and LED 12, the width D 1 in gap is preferably 0.5 millimeter, and between incidence surface 41 and quantum dot package tube 20, the width D 2 in gap is preferably 0.5 millimeter to 0.7 millimeter.The heat that LED 12 sends can be transmitted by the gap between quantum dot package tube 20 and LED 12, thus, can improve the radiating effect of LED 12, and gap arranges rationally simple.
With reference to Fig. 4, in the present embodiment, further, substrate 11 protrudes from a sealing end 21 of quantum dot package tube 20 on the direction along substrate 11 length, to make when needing the combination of fixed support 30 more than two and quantum dot package tube 20, adjacent two groups of fixed supports 30 can be carried out head and the tail with the combination of quantum dot package tube 20 to be connected, and can avoid quantum dot package tube 20 sealing end 21 in installation process, occur the phenomenon of damaged in collision.In the present embodiment, the inactive area length D4 of a sealing end 21 of quantum dot package tube 20 is 2.0 millimeters to 2.5 millimeters, and the distance D3 along substrate 11 length direction between the end face of a sealing end 21 of quantum dot package tube 20 and the corresponding end face of substrate 11 is preferably 0.2 millimeter; The distance D5 along substrate 11 length direction between the critical line of the close LED 12 of the inactive area of a sealing end 21 and the end face of outermost LED 12 is preferably 0.6 millimeter, to ensure under the prerequisite manufacturing feasibility, what make a sealing end 21 is being just effective light-emitting zone to the part of LED 12, thus ensures the specular removal of whole device.
With reference to Fig. 5, in the present embodiment, the inactive area length D7 of the secondary sealing end 22 of quantum dot package tube 20 is 8 millimeters to 10 millimeters, the distance D6 along substrate 11 length direction between the end face of secondary sealing end 22 and the corresponding end face of substrate 11 is preferably 0.5 millimeter to 1 millimeter, the distance D8 along substrate 11 length direction between the side of the critical line of the close LED 12 of the inactive area of secondary sealing end 22 and the vertical substrate 11 of light guide plate 40 is preferably 7 millimeters to 8 millimeters, to ensure under the prerequisite manufacturing feasibility, the white light that whole device is provided can all enter in light guide plate 40, thus ensure whole device specular removal further.
With reference to Fig. 1, in the present embodiment, further, this backlight module also comprises protective sleeve 50, and this protective sleeve 50 is adjacent to any one or both ends of fixed support 30 length direction, and protective sleeve 50 is connected with substrate 11.Particularly, protective sleeve 50 is adjacent to the fixed part 31 of fixed support 30, and is fixed on the substrate 11 of LED lamp bar 10, and this protective sleeve 50 is for accommodating the secondary sealing end 22 of fixing quantum dot package tube 20.In the present embodiment, the end corresponding with secondary sealing end 22 of substrate 11 has the socket 112 for being electrically connected, protective sleeve 50 is fixed on the top of socket 112, also just due to the existence of socket 112, fixed support 30 is made to be difficult to extend to the position at socket 112 place, therefore the secondary sealing end 22 of quantum dot package tube 20 is not fixed the protection of support 30, the present embodiment prevents the secondary sealing end 22 of quantum dot package tube 20 from occurring exposed phenomenon by arranging for the protective sleeve 50 of accommodating fixing secondary sealing end 22, and secondary sealing end 22 exposed time easily in the assembling process of backlight module occur collision damaged phenomenon, in the present embodiment, particularly, protective sleeve 50 has the protector 51 of the secondary sealing end 22 for accommodating quantum dot package tube 20, the fixed part 31 of this protector 51 one end along its length and fixed support 30 adjoins, and fixing for inserting for secondary sealing end 22, this protector 51 is at the end closure away from fixed support 30 direction, preferably, protective sleeve 50 offers the second opening 52 also in protector 51 away from the side channel wall of LED lamp bar 10, so that the Matching installation between secondary sealing end 22 and protective sleeve 50, for ensureing the installation stability of quantum dot package tube 20 in the present embodiment, can be, but not limited to be adhesively fixed by glue between its secondary sealing end 22 and protector 51.
In the present embodiment, be adhesively fixed between the fixed part 31 of fixed support 30 and the substrate 11 of LED lamp bar 10 preferably by double faced adhesive tape 60, certainly, this double faced adhesive tape 60 offers some second through holes 61 passed for LED 12; Similar, be also adhesively fixed preferably by double faced adhesive tape between the substrate 11 of protective sleeve 50 and LED lamp bar 10.
The utility model also provides a kind of liquid crystal indicator.
In one embodiment, this liquid crystal indicator comprises the backlight module in previous embodiment.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a backlight module, it is characterized in that, described backlight module comprises LED lamp bar, quantum dot package tube, light guide plate, backboard and fixed support, described LED lamp bar comprises substrate and fixing some LED on the substrate, described substrate and described backboard are fixed, described fixed support is connected with described substrate or described backboard, described fixed support comprises for fixedly mounting the fixed part of described quantum dot package tube and the support portion for carrying described light guide plate, described quantum dot package tube is fixed on the position towards described LED by described fixed part, the incidence surface of described light guide plate is towards described quantum dot package tube.
2. backlight module as claimed in claim 1, is characterized in that, described fixed part offers and inserts fixing accepting groove for described quantum dot package tube; On the side channel wall of the close described LED lamp bar of described accepting groove, described fixed support offers some first through holes passed for described LED; At described accepting groove away from the side channel wall of described LED lamp bar, described fixed support offers the first opening that the light that sends for described LED passes.
3. backlight module as claimed in claim 2, it is characterized in that, described fixed support is provided with the first limiting section departing from described accepting groove for limiting described quantum dot package tube to the direction away from described LED lamp bar at described first opening part, described fixed support is also provided with for limiting described quantum dot package tube to the second limiting section near described LED lamp bar movement in described accepting groove.
4. backlight module as claimed in claim 3, is characterized in that, spaced apart setting between described quantum dot package tube and described LED.
5. backlight module as claimed in claim 1, is characterized in that, the part of the close described backboard of described fixed part extends to the direction deviating from described LED lamp bar and forms described support portion.
6. backlight module as claimed in claim 1, it is characterized in that, the side of the close described backboard of described substrate is convexly equipped with some locating fasteners towards described backboard interval, and described some locating fasteners insert in described backboard and fix with described backboard.
7. the backlight module as described in any one of claim 1 to 6, is characterized in that, described backlight module also comprises protective sleeve, and described protective sleeve is adjacent to any one or both ends of described fixed support length direction, and described protective sleeve is connected with described substrate.
8. backlight module as claimed in claim 7; it is characterized in that; described protective sleeve has the protector of the secondary sealing end for accommodating described quantum dot package tube; described protector one end along its length and described support bracket fastened fixed part adjoin, and described protector is at the end closure away from described fixed support direction.
9. the backlight module as described in any one of claim 1 to 6, is characterized in that, described substrate protrudes from a sealing end of described quantum dot package tube on the direction along described substrate length.
10. a liquid crystal indicator, is characterized in that, described display unit comprises the backlight module as described in any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244083.9U CN204554543U (en) | 2015-04-21 | 2015-04-21 | Backlight module and liquid crystal indicator |
| PCT/CN2015/091305 WO2016169217A1 (en) | 2015-04-21 | 2015-09-30 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244083.9U CN204554543U (en) | 2015-04-21 | 2015-04-21 | Backlight module and liquid crystal indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554543U true CN204554543U (en) | 2015-08-12 |
Family
ID=53829650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520244083.9U Expired - Fee Related CN204554543U (en) | 2015-04-21 | 2015-04-21 | Backlight module and liquid crystal indicator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204554543U (en) |
| WO (1) | WO2016169217A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158975A (en) * | 2015-10-12 | 2015-12-16 | 深圳市华星光电技术有限公司 | Backlight module assembly |
| WO2016169217A1 (en) * | 2015-04-21 | 2016-10-27 | 深圳Tcl新技术有限公司 | Backlight module and liquid crystal display device |
| WO2017219731A1 (en) * | 2016-06-22 | 2017-12-28 | 京东方科技集团股份有限公司 | Backlight module and display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400224B (en) * | 2017-05-12 | 2024-05-24 | 苏州星烁纳米科技有限公司 | Quantum dot packaging structure and backlight module |
| CN108766234A (en) * | 2018-07-10 | 2018-11-06 | 合肥惠科金扬科技有限公司 | The display equipment of light leakage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102116823B1 (en) * | 2013-09-13 | 2020-06-01 | 삼성디스플레이 주식회사 | Light source, menufacturing method thereof, and back light unit including the same |
| CN103885243B (en) * | 2014-01-27 | 2017-04-19 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display comprising same |
| CN103823320B (en) * | 2014-03-14 | 2017-01-18 | 深圳市华星光电技术有限公司 | Backlight module |
| CN204062680U (en) * | 2014-08-06 | 2014-12-31 | 冠捷显示科技（中国）有限公司 | A kind of backlight module and display unit thereof that quantum dot package tube is housed |
| CN204554543U (en) * | 2015-04-21 | 2015-08-12 | 深圳Tcl新技术有限公司 | Backlight module and liquid crystal indicator |
-
2015
- 2015-04-21 CN CN201520244083.9U patent/CN204554543U/en not_active Expired - Fee Related
- 2015-09-30 WO PCT/CN2015/091305 patent/WO2016169217A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016169217A1 (en) * | 2015-04-21 | 2016-10-27 | 深圳Tcl新技术有限公司 | Backlight module and liquid crystal display device |
| CN105158975A (en) * | 2015-10-12 | 2015-12-16 | 深圳市华星光电技术有限公司 | Backlight module assembly |
| US10162101B2 (en) | 2015-10-12 | 2018-12-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| WO2017219731A1 (en) * | 2016-06-22 | 2017-12-28 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US20180245779A1 (en) * | 2016-06-22 | 2018-08-30 | Boe Technology Group Co., Ltd. | Backlight module and display apparatus |
| US10563848B2 (en) | 2016-06-22 | 2020-02-18 | Boe Technology Group Co., Ltd. | Backlight module and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016169217A1 (en) | 2016-10-27 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |