CN203718476U - Laser lamp bar, backlight module composed of laser lamp bar, and display - Google Patents
Laser lamp bar, backlight module composed of laser lamp bar, and display Download PDFInfo
- Publication number
- CN203718476U CN203718476U CN201420021863.2U CN201420021863U CN203718476U CN 203718476 U CN203718476 U CN 203718476U CN 201420021863 U CN201420021863 U CN 201420021863U CN 203718476 U CN203718476 U CN 203718476U
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- China
- Prior art keywords
- lamp bar
- laser lamp
- laser
- module
- backlight module
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- Expired - Lifetime
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- 238000009792 diffusion process Methods 0.000 claims abstract description 20
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005282 brightening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
The utility model relates to a laser lamp bar, a backlight module composed of the laser lamp bar, and a display. The laser lamp bar comprises a sheet-shaped lamp bar base plate and a plurality of light-emitting modules, wherein the plurality of light-emitting modules are arranged on the same surface of the lamp bar base plate to form a straight-arranged light-emitting point array. The backlight module composed of the laser lamp bar comprises a light guide plate, at least one diffusion sheet, at least one layer of brightening film, a reflection plate and at least one laser lamp bar. The display produced from the backlight module comprises a shell, a liquid crystal panel and the backlight module. According to the laser lamp bar, the backlight module composed of the laser lamp bar, and the display disclosed by the utility model, a laser module is used as the light-emitting component and matched with the light guide plate and the diffusion plate to realize a uniform laser surface light source, thus improving the light-emitting efficiency and display quality of the backlight module and the display.
Description
Technical field
The utility model relates to light-emitting component and backlight display device technical field, particularly a kind of laser lamp bar, the backlight module and the display that are made up of laser lamp bar.
Background technology
Along with the quick progress of Display Technique and the fast development of consumer electronics market, liquid crystal panel (LCD panel) is due to thin thickness, quality is light, easy to carry, the features such as low radiation, occupy leading position in monitor market, be widely used in now television set, display, notebook computer, digital camera, the multiple electronic products such as mobile phone and projector.Backlight module (Back light module) is as one of core part of panel of LCD, and the market demand is huge and still in sustainable growth.Along with the progress of liquid crystal display manufacturing technology, under the trend of large scale and low price, market has proposed lightweight to backlight module, slimming, low energy consumption, high energy efficiency, high brightness and cheaply requirement, in order to remain on the competitiveness of future market, the backlight module that development and Design is novel and display fabrication techniques, become important topic and crucial direction.
The second largest key components and parts of the liquid crystal panel that backlight module is, importance is only second to colored filter.Because liquid crystal itself is not luminous, so need backlight module that the area source that brightness is sufficient and be evenly distributed is provided, when making liquid crystal panel normally show image, have enough brightness and contrasts.Existing backlight module is mostly two kinds of side entering type and straight-down negatives, and wherein side entering type need to be converted to area source by line source by LGP, and straight-down negative directly becomes the bright dipping of line source the area source of uniform by diffuser plate.The line source adopting mainly contains cold-cathode fluorescence lamp (CCFL) and light emitting diode (LED).Because cold-cathode fluorescence lamp average life is shorter, colour gamut is less, structure rapid wear, and the shortcomings such as environment harmful such as mercurous, are substituted by light emitting diode on market now gradually.Although light emitting diode is in wide colour gamut, there is relative advantage long-life aspect, also exists efficiency on the low side, poor heat radiation, the slightly poor and high in cost of production problems of outgoing light homogeneity.In recent years, laser is also introduced into backlight module as lighting source, the light beam of laser module transmitting is generally the light beam that diameter is less, must pass through optical element, the structures such as beam expander could be as lighting source after laser beam expands, the backlight module complex process that uses this spline structure, volume is larger, and cost is also higher.
According to above-mentioned analysis, existing backlight module, all exists that gamut range is narrower, brightness and the variety of issue such as the uniformity is poor or complex structure, and volume is larger, high expensive.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of even bright dipping, the laser lamp bar that luminous efficiency is high, display quality is high, backlight module and the display being made up of laser lamp bar.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of laser lamp bar, comprise lamp bar substrate and multiple light emitting module of sheet, described multiple light emitting module is arranged on the same plane on described lamp bar substrate, forms luminous point array arranged in a straight line.
The beneficial effects of the utility model are: the utility model utilizes laser module as light-emitting component, coordinate LGP and diffuser plate, realize the lasing area light source of even bright dipping, and in conjunction with the high brightness of LASER Light Source, the feature of high energy efficiency and wide colour gamut, promotes luminous efficiency and the display quality of backlight module and display.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described light emitting module is the composite module that the encapsulation of laser module, LED module or laser module and LED module forms afterwards.
Further, in the time that described light emitting module is LED module, on described lamp bar substrate, be also arranged at intervals with several laser modules, the light beam sending is penetrated perpendicular to the direction of lamp bar substrate.
Further, the light that described light emitting module sends is monochromatic light or the mixed light that is made up of multiple color.
Further, a kind of backlight module that adopts laser lamp bar to make, comprises LGP, at least a slice diffusion sheet, at least one deck brightness enhancement film, reflecting plate and at least one laser lamp bar;
Further, described LGP, at least a slice diffusion sheet and at least one deck brightness enhancement film successively or a non-side that is arranged at reflecting plate reflective surface successively, described LGP, at least diffusion sheet, at least brightness enhancement film of one deck and the reflecting plate of a slice are stacked fixing, and described laser lamp bar is arranged on the sidewall of one side or the multi-lateral of described LGP.
Further, a kind of backlight module that adopts laser lamp bar to make, comprises at least a slice diffusion sheet, at least one deck brightness enhancement film, reflecting plate and at least one laser lamp bar;
Further, the reflective surface of described laser lamp bar and described reflecting plate is fixed, described brightness enhancement film and diffusion sheet successively or a non-side that is arranged at reflecting plate reflective surface successively, described brightness enhancement film, diffusion sheet and to be provided with the reflecting plate of laser lamp bar stacked fixing.
Further, a kind of display that adopts backlight module to make, comprises housing, liquid crystal panel and backlight module, and described backlight module is arranged between described liquid crystal panel and the cavity of housing formation.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model laser lamp bar;
Fig. 2 is the utility model laser module laser lamp bar structural representation during as light emitting module;
Fig. 3 is the utility model laser module and LED module laser lamp bar structural representation during as light emitting module;
Fig. 4 is the utility model composite module laser lamp bar structural representation during as light emitting module;
Fig. 5 is the backlight module front view that the utility model comprises LGP;
Fig. 6 is the backlight module right view that the utility model comprises LGP;
Fig. 7 is the backlight module front view that the utility model does not comprise LGP;
Fig. 8 is the backlight module right view that the utility model does not comprise LGP;
Fig. 9 is the utility model display device structure schematic diagram.
In accompanying drawing, the list of parts of each label representative is as follows:
1, laser lamp bar, 2, lamp bar substrate, 3, light emitting module, 4, light, 5, laser module, 6, LED module, 7, composite module, 8, LGP, 9, diffuser plate, 10, brightness enhancement film, 11, reflecting plate, 12, backlight module, 13, housing, 14, liquid crystal panel.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the utility model laser lamp bar; Fig. 2 is the utility model laser module laser lamp bar structural representation during as light emitting module; Fig. 3 is the utility model laser module and LED module laser lamp bar structural representation during as light emitting module; Fig. 4 is the utility model composite module laser lamp bar structural representation during as light emitting module; Fig. 5 is the backlight module front view that the utility model comprises LGP; Fig. 6 is the backlight module right view that the utility model comprises LGP; Fig. 7 is the backlight module front view that the utility model does not comprise LGP.Fig. 8 is the backlight module right view that the utility model does not comprise LGP; Fig. 9 is the utility model display device structure schematic diagram.
Embodiment 1
A kind of laser lamp bar, comprises lamp bar substrate 2 and multiple light emitting module 3 of sheet, and described multiple light emitting modules 3 are arranged on the same plane on described lamp bar substrate 2, form luminous point array arranged in a straight line.
The composite module 7 that the encapsulation that described light emitting module 3 is laser module 5, LED module 6 or laser module and LED module forms afterwards.
In the time that described light emitting module 3 is LED module 6, on described lamp bar substrate 2, be also arranged at intervals with several laser modules 5, the light beam sending is penetrated perpendicular to the direction of lamp bar substrate 2.
The light that described light emitting module 3 sends is monochromatic light or the mixed light that is made up of multiple color.
Length and the width of described lamp bar substrate, the shape of light emitting module, size, quantity and spacing, arrangement modes etc. are all not limited to the situation in diagram, can adjust to ensure that the light that Dot array arranged in a straight line that described light emitting module forms sends comparatively approaches line source according to actual conditions.
Embodiment 2
A backlight module that adopts laser lamp bar to make, comprises LGP 8, at least a slice diffusion sheet 9, at least one deck brightness enhancement film 10, reflecting plate 11 and at least one laser lamp bar 1;
Described LGP 8, at least a slice diffusion sheet 9 and at least one deck brightness enhancement film 10 successively or a non-side that is arranged at reflecting plate 11 reflective surfaces successively, described LGP 8, at least a slice diffusion sheet 9, at least the brightness enhancement film 10 of one deck is stacked fixing with reflecting plate 11, described laser lamp bar 1 is arranged on the sidewall of one side or the multi-lateral of described LGP 8.
Embodiment 3
A backlight module that adopts laser lamp bar to make, comprises at least a slice diffusion sheet 9, at least one deck brightness enhancement film 10, reflecting plate 11 and at least one laser lamp bar 1;
Described laser lamp bar 1 is fixed with the reflective surface of described reflecting plate 11, described brightness enhancement film 10 and diffusion sheet 9 successively or a non-side that is arranged at reflecting plate 11 reflective surfaces successively, described brightness enhancement film 10, diffusion sheet 9 and to be provided with the reflecting plate 11 of laser lamp bar 1 stacked fixing.
Embodiment 4
A display that adopts backlight module to make, comprises housing 13, liquid crystal panel 14 and backlight module 15, and described backlight module 12 is arranged between the cavity that described liquid crystal panel 14 and housing 13 form.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a laser lamp bar, is characterized in that: comprise lamp bar substrate (2) and multiple light emitting module (3) of sheet, described multiple light emitting modules (3) are arranged on the same plane on described lamp bar substrate (2), form luminous point array arranged in a straight line.
2. laser lamp bar according to claim 1, is characterized in that: the composite module (7) that the encapsulation that described light emitting module (3) is laser module (5), LED module (6) or laser module and LED module forms afterwards.
3. laser lamp bar according to claim 2, it is characterized in that: in the time that described light emitting module (3) is LED module (6), on described lamp bar substrate (2), be also arranged at intervals with several laser modules (5), the light beam sending is penetrated perpendicular to the direction of lamp bar substrate (2).
4. laser lamp bar according to claim 1, is characterized in that: the light that described light emitting module (3) sends is monochromatic light or the mixed light that is made up of multiple color.
5. the backlight module that the laser lamp bar of an employing as described in as arbitrary in claim 1 to 4 made, it is characterized in that: comprise LGP (8), at least a slice diffusion sheet (9), at least one deck brightness enhancement film (10), reflecting plate (11) and at least one laser lamp bar (1);
Described LGP (8), the diffusion sheet of a slice (9) the and at least brightness enhancement film of one deck (10) is successively or a non-side that is arranged at reflecting plate (11) reflective surface successively at least, described LGP (8), at least the diffusion sheet of a slice (9), at least the brightness enhancement film of one deck (10) and reflecting plate (11) are stacked fixing, described laser lamp bar (1) is arranged on the sidewall of one side or the multi-lateral of described LGP (8).
6. the backlight module that the laser lamp bar of employing as described in as arbitrary in claim 1 to 4 made, is characterized in that: comprise at least a slice diffusion sheet (9), at least one deck brightness enhancement film (10), reflecting plate (11) and at least one laser lamp bar (1);
Described laser lamp bar (1) is fixed with the reflective surface of described reflecting plate (11), described brightness enhancement film (10) and diffusion sheet (9) successively or a non-side that is arranged at reflecting plate (11) reflective surface successively, described brightness enhancement film (10), diffusion sheet (9) and to be provided with the reflecting plate (11) of laser lamp bar (1) stacked fixing.
7. the display that the backlight module of an employing as described in as arbitrary in claim 5 or 6 made, it is characterized in that: comprise housing (13), liquid crystal panel (14) and backlight module (15), described backlight module (12) is arranged between described liquid crystal panel (14) and the cavity of housing (13) formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021863.2U CN203718476U (en) | 2014-01-14 | 2014-01-14 | Laser lamp bar, backlight module composed of laser lamp bar, and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021863.2U CN203718476U (en) | 2014-01-14 | 2014-01-14 | Laser lamp bar, backlight module composed of laser lamp bar, and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718476U true CN203718476U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420021863.2U Expired - Lifetime CN203718476U (en) | 2014-01-14 | 2014-01-14 | Laser lamp bar, backlight module composed of laser lamp bar, and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791288A (en) * | 2014-01-14 | 2014-05-14 | 北京牡丹视源电子有限责任公司 | Laser light bar, backlight module with same and display |
-
2014
- 2014-01-14 CN CN201420021863.2U patent/CN203718476U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791288A (en) * | 2014-01-14 | 2014-05-14 | 北京牡丹视源电子有限责任公司 | Laser light bar, backlight module with same and display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |