CN203940315U - A kind of backlight module and display unit thereof that adopts quantum dot - Google Patents
A kind of backlight module and display unit thereof that adopts quantum dot Download PDFInfo
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- CN203940315U CN203940315U CN201420336383.5U CN201420336383U CN203940315U CN 203940315 U CN203940315 U CN 203940315U CN 201420336383 U CN201420336383 U CN 201420336383U CN 203940315 U CN203940315 U CN 203940315U
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- quantum dot
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000295 emission spectrum Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The utility model provides a kind of backlight module and display unit thereof that adopts quantum dot, and described a kind of backlight module of quantum dot that adopts comprises lamp bar, LGP, light control member and quantum dot assembly; This lamp bar comprises substrate, places a plurality of monochromatic sources on substrate; This LGP has an incidence surface; This quantum dot assembly comprises hollow transparent pipe and light converting member, and light converting member comprises at least one quantum dot, and is filled in hollow transparent pipe; This light control member and quantum dot assembly are positioned at LGP incidence surface one side, and quantum dot assembly is arranged in light control member, the surface reflection of light control member; The light that this light control member control lamp bar and light converting member send is launched towards LGP incidence surface.The utility model is applied to quantum dot tubular material in backlight module, makes full use of quantum dot characteristic, has greatly improved display brightness and colour gamut width, and the picture presenting is more bright-coloured, and display effect is better, and further proposes to be beneficial to the design application of narrow frame.
Description
Technical field
The utility model relates to a kind of backlight module, relates in particular to a kind of backlight module and display unit thereof that adopts quantum dot.
Background technology
Existing white light backlight module comprises light source and optical diaphragm group.Light emitting diode (LED), because volume is little, power consumption few, therefore becomes one of light source of LCD backlight module use.General back light is selected white light LEDs, and existing white light LEDs mainly excites yellow, green or red fluorescent material to obtain white light by blue light wafer, and above-mentioned fluorescent material closes on blue light wafer and is arranged in LED packaging silicon rubber.
The liquid crystal module of flat-panel screens application adopts TFT-LCD technology more.TFT-LCD is inactive mode luminescence display, conventionally by white light backlight module (Backlight Module), provides uniform system brightness, then obtains abundant color displays through colored filter (Color Filter).
Existing display application white light emitting diode, by blue light wafer excite yellow, green with or red fluorescence powder, fluorescent material is arranged in LED packaging silicon rubber.LED backlit display, the above-mentioned white light LEDs of arranging in pairs or groups, the color blocking of cooperation LCD screen, generally reach colour gamut and be about NTSC 60 ~ 80%, along with the lifting that consumer requires for image quality, require picture to have more lively bright-coloured performance, the gamut range of prior art performance cannot satisfy the demands.
And quantum dot is a kind of nano semiconductor material that size is less than the crystalline texture of exciton Bohr radius that has, by a small amount of atom, formed, say roughly, be that a kind of three dimension are all at the semi-conducting material of the crystalline texture of nanometer scale.In quantum dot, energy level changes according to the size of quantum dot, therefore can control band gap by changing the size of quantum dot, thereby control the emission spectrum of quantum dot.The emission spectrum of quantum dot can cover whole visible region.The superior fluorescent characteristics such as quantum dot has exciting light spectrum width and continuous distributed, and emission spectrum is narrow and symmetrical, and color is adjustable, and photochemical stability is high, and fluorescence lifetime is long, collocation colored filter, can show NTSC 100% or higher colour gamut.The application of quantum dot in display device, is mainly divided into two kinds of forms of sheet material and tubulose at present; The difficulty that wherein sheet material is adjusted due to manufacture craft, color is large, causes that price is high and practicality is low; Tubular material is packaged in quantum dot in hollow tube, and cost is lower, and the color property adjusted is stronger.
Summary of the invention
The problem existing in order to solve prior art, the utility model provides a kind of backlight module and display unit thereof that adopts quantum dot.
The technical scheme that the utility model adopts is:
Adopt a backlight module for quantum dot, comprise lamp bar, LGP, light control member and quantum dot assembly; Described lamp bar comprises substrate, is provided with a plurality of monochromatic sources on described substrate; Described LGP has an incidence surface; Described quantum dot assembly comprises hollow transparent pipe and light converting member, and described smooth converting member comprises at least one quantum dot, and is filled in hollow transparent pipe; Described light control member and quantum dot assembly are positioned at LGP incidence surface one side, and described quantum dot assembly is arranged in light control member, the surface reflection of described light control member; Described light control member has the first side and the second side, and the first side is provided with the light that opening receiving light bar sends, and the second side is provided with opening and LGP incidence surface joins; The light that described light control member control lamp bar and light converting member send is launched towards LGP incidence surface.
Intersect the first side of described light control member and the second side.
The first side of described light control member is relative with the second side.
Described monochromatic source is blue light-emitting diode, and described smooth converting member at least comprises the quantum dot of excitated red and green two kinds of wavelength light.
Described monochromatic source is ultraviolet light-emitting diodes, and described smooth converting member comprises excitated red, the quantum dot of green and blue three kinds of wavelength light.
Described smooth converting member comprises quantum dot, and the size of described quantum dot is between 1nm-20nm.
The utility model also comprises storing apparatus, optics and heat abstractor; Described lamp bar, LGP, light control member, quantum dot assembly, optics and heat abstractor are arranged in storing apparatus; Described optics comprises optical diaphragm group and reflector plate, described optical diaphragm group, and LGP and reflector plate sequentially arrange from top to bottom; Described heat abstractor is arranged on lamp bar substrate and reflector plate bottom surface.
The utility model also provides a kind of display unit, and described display unit includes described a kind of backlight module that adopts quantum dot.
The utility model is applied to quanta point material in backlight module, the light that utilizes quantum dot exciting light spectrum width and continuous distributed and send has the characteristic that very high purity is high, greatly improve display brightness and colour gamut width, the picture presenting is more bright-coloured, display effect is better, further proposes to be beneficial to the design application of narrow frame.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details;
Fig. 1 is a kind of structural representation that adopts the backlight module embodiment mono-of quantum dot of the utility model;
Fig. 2 is a kind of structural representation that adopts the backlight module embodiment bis-of quantum dot of the utility model.
The specific embodiment
Below a kind of backlight module of quantum dot and display unit thereof of adopting of the utility model is described in detail.
The utility model provides a kind of display unit, and described display unit includes described a kind of backlight module that adopts quantum dot.
Below a kind of backlight module of quantum dot that adopts of the utility model is described in detail.
Shown in Fig. 1, for the utility model is a kind of, adopt the structural representation of the backlight module embodiment mono-of quantum dot.This backlight module comprises lamp bar 01, LGP 02, light control member 03 and quantum dot assembly 04.Lamp bar comprises substrate 011, places a plurality of monochromatic sources 012 on substrate; LGP has an incidence surface; Quantum dot assembly comprises hollow transparent pipe 042 and light converting member 041, and light converting member 041 comprises at least one quantum dot and is filled in hollow transparent pipe 042; Light control member 03 and quantum dot assembly 04 are positioned at LGP 02 incidence surface one side, and quantum dot assembly 04 is arranged in light control member 03, and the light that light control member 03 control lamp bar 01 and light converting member 041 send is towards LGP 02 incidence surface transmitting.
Light control member 03 is made by high reflection plastic in the present embodiment, its reflectivity is higher than 90%, there is the first side and the second side, the first side is provided with the light that opening receiving light bar 01 sends, the second side has been provided with opening and LGP 02 incidence surface joins, and intersect the first side and the second side.
Light converting member 041 comprises quantum dot, and the size of quantum dot is between 1nm-20nm.Quantum dot, can send the blue light of peak wavelength scope 425-465nm; Also can send the green glow that peak wavelength is 510nm-550nm; Also can send the ruddiness that peak wavelength is 610nm-650nm.When monochromatic source 012 is blue light-emitting diode, light converting member 041 at least comprises the quantum dot of excitated red and green two kinds of wavelength light; When monochromatic source 012 is ultraviolet light-emitting diodes, light converting member 041 comprises excitated red, the quantum dot of green and blue three kinds of wavelength light.
The present embodiment also comprises storing apparatus, optics and heat abstractor 052; Described lamp bar 01, LGP 02, light control member 03, quantum dot assembly 04, optics and heat abstractor 052 are arranged in storing apparatus; Described optics comprises optical diaphragm group 0511 and reflector plate 0512, described optical diaphragm group 0511, and LGP 02 and reflector plate 0512 sequentially arrange from top to bottom; Described heat abstractor 052 is connected with substrate 011.
Shown in Fig. 2, a kind of another kind of structural representation that adopts the backlight module 00 of quantum dot of the utility model embodiment, this backlight module comprises lamp bar 01, LGP 02, light control member 03 and quantum dot assembly 04, lamp bar comprises substrate 011, places a plurality of monochromatic sources 012 on substrate; LGP 02 has an incidence surface; Quantum dot assembly 04 comprises hollow transparent pipe 042 and light converting member 041, and light converting member 041 comprises at least one quantum dot and is filled in hollow transparent pipe 042; Light control member 03 and quantum dot assembly 04 are positioned at LGP 02 incidence surface one side, and quantum dot assembly 04 is arranged in light control member 03, and the light that light control member 03 control lamp bar 01 and light converting member 041 send is towards LGP 02 incidence surface transmitting.
Light control member 03 is made by high reflection plastic in the present embodiment, its reflectivity, higher than 90%, has the first side and the second side, and the first side is provided with the light that opening receiving light bar 01 sends, the second side is provided with opening and LGP 02 incidence surface joins, and the first side is relative with the second side.
Light converting member 041 comprises quantum dot, and the size of quantum dot is between 1nm-20nm.Quantum dot, can send the blue light of peak wavelength scope 425-465nm; Also can send the green glow that peak wavelength is 510nm-550nm; Also can send the ruddiness that peak wavelength is 610nm-650nm.When monochromatic source 012 is blue light-emitting diode, light converting member 041 at least comprises the quantum dot of excitated red and green two kinds of wavelength light; When monochromatic source 012 is ultraviolet light-emitting diodes, light converting member 041 comprises excitated red, the quantum dot of green and blue three kinds of wavelength light.
The present embodiment also comprises storing apparatus, optics and heat abstractor 052; Described lamp bar 01, LGP 02, light control member 03, quantum dot assembly 04, optics and heat abstractor 052 are arranged in storing apparatus; Described optics comprises optical diaphragm group 0511 and reflector plate 0512, described optical diaphragm group 0511, and LGP 02 and reflector plate 0512 sequentially arrange from top to bottom; Described heat abstractor 052 is connected with substrate 011.
In sum, those skilled in the art, in the situation that not departing from spirit and scope of the present utility model, can also do various changes and replacement to the specific embodiment of the present utility model.These changes and replacement all drop in the utility model claims limited range.
Claims (8)
1. a backlight module that adopts quantum dot, is characterized in that: it comprises lamp bar, LGP, light control member and quantum dot assembly; Described lamp bar comprises substrate, is provided with a plurality of monochromatic sources on described substrate; Described LGP has an incidence surface; Described quantum dot assembly comprises hollow transparent pipe and light converting member, and described smooth converting member comprises at least one quantum dot, and is filled in hollow transparent pipe; Described light control member and quantum dot assembly are positioned at LGP incidence surface one side, and described quantum dot assembly is arranged in light control member, the surface reflection of described light control member; Described light control member has the first side and the second side, and the first side is provided with the light that opening receiving light bar sends, and the second side is provided with opening and LGP incidence surface joins; The light that described light control member control lamp bar and light converting member send is launched towards LGP incidence surface.
2. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: intersect the first side of described light control member and the second side.
3. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: the first side of described light control member is relative with the second side.
4. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: described monochromatic source is blue light-emitting diode, and described smooth converting member at least comprises the quantum dot of excitated red and green two kinds of wavelength light.
5. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: described monochromatic source is ultraviolet light-emitting diodes, and described smooth converting member comprises excitated red, the quantum dot of green and blue three kinds of wavelength light.
6. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: described smooth converting member comprises quantum dot, and the size of quantum dot is between 1nm-20nm.
7. a kind of backlight module that adopts quantum dot according to claim 1, is characterized in that: it also comprises storing apparatus, optics and heat abstractor; Described lamp bar, LGP, light control member, quantum dot assembly, optics and heat abstractor are arranged in storing apparatus; Described optics comprises optical diaphragm group and reflector plate, described optical diaphragm group, and LGP and reflector plate sequentially arrange from top to bottom; Described heat abstractor is arranged on lamp bar substrate and reflector plate bottom surface.
8. a display unit, is characterized in that: it includes a kind of backlight module that adopts quantum dot described in the arbitrary claim of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336383.5U CN203940315U (en) | 2014-06-20 | 2014-06-20 | A kind of backlight module and display unit thereof that adopts quantum dot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420336383.5U CN203940315U (en) | 2014-06-20 | 2014-06-20 | A kind of backlight module and display unit thereof that adopts quantum dot |
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| CN203940315U true CN203940315U (en) | 2014-11-12 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654141A (en) * | 2015-03-18 | 2015-05-27 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104776362A (en) * | 2015-04-24 | 2015-07-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN105114867A (en) * | 2015-08-31 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105425460A (en) * | 2015-12-08 | 2016-03-23 | 青岛海信电器股份有限公司 | Quantum tube, manufacturing method of quantum tube, backlight module and display device |
| CN105782804A (en) * | 2014-12-26 | 2016-07-20 | 中强光电股份有限公司 | Light source module and direct type light source module |
| WO2016141599A1 (en) * | 2015-03-11 | 2016-09-15 | 深圳市华星光电技术有限公司 | Backlight module and light bar thereof |
| CN107145007A (en) * | 2017-04-21 | 2017-09-08 | 青岛骐骥光电科技有限公司 | A kind of liquid crystal display device and method that high colour gamut is realized by quantum pipe |
| CN107894676A (en) * | 2017-11-07 | 2018-04-10 | 深圳市德仓科技有限公司 | A kind of backlight module and liquid crystal module |
| CN108153045A (en) * | 2016-12-05 | 2018-06-12 | 三星电子株式会社 | Display device |
| CN109067947A (en) * | 2018-09-25 | 2018-12-21 | 珠海格力电器股份有限公司 | Display screen frame and mobile terminal |
-
2014
- 2014-06-20 CN CN201420336383.5U patent/CN203940315U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782804A (en) * | 2014-12-26 | 2016-07-20 | 中强光电股份有限公司 | Light source module and direct type light source module |
| WO2016141599A1 (en) * | 2015-03-11 | 2016-09-15 | 深圳市华星光电技术有限公司 | Backlight module and light bar thereof |
| CN104654141A (en) * | 2015-03-18 | 2015-05-27 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104776362A (en) * | 2015-04-24 | 2015-07-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2016169067A1 (en) * | 2015-04-24 | 2016-10-27 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105114867B (en) * | 2015-08-31 | 2017-08-29 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN105114867A (en) * | 2015-08-31 | 2015-12-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105425460A (en) * | 2015-12-08 | 2016-03-23 | 青岛海信电器股份有限公司 | Quantum tube, manufacturing method of quantum tube, backlight module and display device |
| CN105425460B (en) * | 2015-12-08 | 2018-09-04 | 青岛海信电器股份有限公司 | A kind of quantum pipe and preparation method thereof, backlight module and display device |
| CN108153045A (en) * | 2016-12-05 | 2018-06-12 | 三星电子株式会社 | Display device |
| CN107145007A (en) * | 2017-04-21 | 2017-09-08 | 青岛骐骥光电科技有限公司 | A kind of liquid crystal display device and method that high colour gamut is realized by quantum pipe |
| CN107894676A (en) * | 2017-11-07 | 2018-04-10 | 深圳市德仓科技有限公司 | A kind of backlight module and liquid crystal module |
| CN107894676B (en) * | 2017-11-07 | 2020-06-23 | 深圳市德仓科技有限公司 | Backlight module and liquid crystal module |
| CN109067947A (en) * | 2018-09-25 | 2018-12-21 | 珠海格力电器股份有限公司 | Display screen frame and mobile terminal |
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