CN103438368B - Plate lamp module and backlight module - Google Patents
Plate lamp module and backlight module Download PDFInfo
- Publication number
- CN103438368B CN103438368B CN201310324939.9A CN201310324939A CN103438368B CN 103438368 B CN103438368 B CN 103438368B CN 201310324939 A CN201310324939 A CN 201310324939A CN 103438368 B CN103438368 B CN 103438368B
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- light
- emitting component
- backboard
- modulation element
- backlight module
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Abstract
The invention provides a kind of backlight module and plate lamp module, this backlight module or this plate lamp module comprise backboard, diffuser plate, the first light-emitting component, the second light-emitting component, the first light modulation element, the second light modulation element and divergence of beam element; Diffuser plate is arranged at above this backboard, first light-emitting component launches the first light, second light-emitting component launches the second light, this first light passing through this first light modulation element is transformed into the first parallel rays of this backboard parallel, this second light passing through this second light modulation element is transformed into the second parallel rays of this backboard parallel, this first, second parallel rays through this divergence of beam element is transformed into first, second diverging light respectively, this first, second diverging light, by this diffuser plate, forms uniform emergent light.Backlight module of the present invention or plate lamp module significantly alleviate the weight of display, portable electronic devices or flat lamp, and have saving cost, advantage easy to assembly.
Description
Technical field
The present invention, can the backlight module of alleviator weight and plate lamp module especially in regard to a kind of being applied to about a kind of backlight module and plate lamp module.
Background technology
Among known backlight module and plate lamp module, all need to use light guide plate, thus cause the weight of backlight module and plate lamp module heavy and assembling inconvenience.Further, because light guide plate employs more material, because of this increase product manufacturing cost and relatively not environmentally.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of backlight module and plate lamp module, to overcome backlight module in prior art or plate lamp module weight is heavy, assembling inconvenience and the higher technical problem of cost.
For reaching above-mentioned purpose, the invention provides a kind of backlight module, backlight module comprises: backboard; Diffuser plate, be arranged at above this backboard, and be spaced a distance with this back plate surface, cavity is defined between this backboard and this diffuser plate, this cavity has relative first end and the second end, this first end has the first light incident side comprising the first opening, and this second end has the second light incident side comprising the second opening; First light-emitting component, be arranged at this first light incident side contiguous, and this first light-emitting component is perpendicular to this backboard, and launches the first light towards this first light incident side; Second light-emitting component, be arranged at this second light incident side contiguous, and this second light-emitting component is perpendicular to this backboard, and launches the second light towards this second light incident side; First light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element is perpendicular to this backboard, this first light through this first light modulation element is made to be transformed into the first parallel rays being parallel to this backboard; Second light adjusts this second light modulation element element, be arranged between this second light-emitting component and this second light incident side, and perpendicular to this backboard, make this second light through this second light modulation element be transformed into the second parallel rays being parallel to this backboard; Divergence of beam element, to be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to this first parallel rays through this divergence of beam element is transformed into the first diverging light and this second parallel rays is transformed into the second diverging light; And reflecting plate, be arranged on this backboard in this cavity, make partial illumination to be formed towards this diffuser plate side progressive first reverberation and partial illumination by reflecting to this first diverging light of this reflecting plate and formed progressive second reverberation towards this diffuser plate side to this second diverging light of this reflecting plate by reflecting, and and then with part not by this first diverging light of reflecting together with this second diverging light by this diffuser plate, form uniform emergent light.
As further alternative technical scheme, this divergence of beam element comprises concavees lens.Backlight module as claimed in claim 2, it is characterized in that this first light modulation element comprises the first convex lens, this second light modulation element comprises the second convex lens.
As further alternative technical scheme, these first convex lens have the first focus, and these second convex lens have the second focus, and this first light-emitting component is positioned at this first focus, and this second light-emitting component is positioned at this second focus.
As further alternative technical scheme, this backlight module also comprises frame, this frame abuts this backboard, in order to combine this diffuser plate, this first light-emitting component, this second light-emitting component, this first light modulation element, this second light modulation element, this divergence of beam element and this reflecting plate, form backlight module.
As further alternative technical scheme, this first light-emitting component and this second light-emitting component are selected from light-emittingdiode packaging body, one of them or its of LED Chips for Communication combine.
The present invention also provides a kind of plate lamp module, and plate lamp module comprises: backboard; Diffuser plate, be arranged at above this backboard, and be spaced a distance with this back plate surface, cavity is defined between this backboard and this diffuser plate, this cavity has relative first end and the second end, this first end has the first light incident side comprising the first opening, and this second end has the second light incident side comprising the second opening; First light-emitting component, be arranged at this first light incident side contiguous, and this first light-emitting component is perpendicular to this backboard, and launches the first light towards this first light incident side; Second light-emitting component, be arranged at this second light incident side contiguous, and this second light-emitting component is perpendicular to this backboard, and launches the second light towards this second light incident side; First light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element is perpendicular to this backboard, this first light through this first light modulation element is made to be transformed into the first parallel rays being parallel to this backboard; Second light modulation element, be arranged between this second light-emitting component and this second light incident side, and this second light modulation element is perpendicular to this backboard, this second light through this second light modulation element is made to be transformed into the second parallel rays being parallel to this backboard; Divergence of beam element, to be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to this first parallel rays through this divergence of beam element is transformed into the first diverging light and this second parallel rays is transformed into the second diverging light; And reflecting plate, be arranged on this backboard in this cavity, make partial illumination to be formed towards this diffuser plate side progressive first reverberation and partial illumination by reflecting to this first diverging light of this reflecting plate and formed progressive second reverberation towards this diffuser plate side to this second diverging light of this reflecting plate by reflecting, and and then with part not by this first diverging light of reflecting together with this second diverging light by this diffuser plate, form uniform emergent light.
As further alternative technical scheme, this divergence of beam element comprises concavees lens.
As further alternative technical scheme, this first light modulation element comprises the first convex lens, and this second light modulation element comprises the second convex lens.
As further alternative technical scheme, these first convex lens have the first focus, and these second convex lens have the second focus, and this first light-emitting component is positioned at this first focus, and this second light-emitting component is positioned at this second focus.
As further alternative technical scheme, this plate lamp module also comprises frame, this frame abuts this backboard, in order to combine this diffuser plate, this first light-emitting component, this second light-emitting component, this first light modulation element, this second light modulation element, this divergence of beam element and this reflecting plate, form plate lamp module.
As further alternative technical scheme, this first light-emitting component and this second light-emitting component are selected from light-emittingdiode packaging body, one of them or its of LED Chips for Communication combine.
Embodiments of the invention can be backlight module, are applied among display or portable electronic devices, think that display or portable electronic devices provide back light.Embodiments of the invention can be plate lamp module, are applied among planar lamp, think that planar lamp provides light source.
Compared with prior art, backlight module of the present invention or plate lamp module, replace the heavy light guide plate of known techniques with the first light modulation element, the second light modulation element and divergence of beam element, apply the weight that it significantly can alleviate display, portable electronic devices or planar lamp.Further, due to the minimizing of material, also have simultaneously and save cost, advantage easy to assembly.
Accompanying drawing explanation
Fig. 1 is the sectional axonometric drawing of the plate lamp module (backlight module) of the embodiment of the present invention;
Fig. 2 is the profile of the plate lamp module (backlight module) of the embodiment of the present invention.
Detailed description of the invention
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
With reference to the sectional axonometric drawing that Fig. 1 and Fig. 2, Fig. 1 are the plate lamp module (backlight module) of the embodiment of the present invention; Fig. 2 is the profile of the plate lamp module (backlight module) of the embodiment of the present invention.The plate lamp module (backlight module) 1 of the embodiment of the present invention, comprises backboard 10, diffuser plate 20, first light-emitting component 31, second light-emitting component 32, first light modulation element 41, second light modulation element 42, divergence of beam element 50 and reflecting plate 60.Diffuser plate 20 is arranged at above backboard 10, and with backboard 10 spaced surface one segment distance, define cavity 70 between backboard 10 and diffuser plate 20, and cavity 70 two ends have toward each other and have the first light incident side 71 and the second light incident side 72 of opening respectively.
With reference to Fig. 1 and Fig. 2, the first light-emitting component 31 is arranged at contiguous first light incident side 71, and the first light-emitting component 31 is perpendicular to backboard 10, and launches the first light 33 towards the first light incident side 71.Second light-emitting component 32 is arranged at contiguous second light incident side 72, and the second light-emitting component 32 is perpendicular to backboard 10, and launches the second light 34 towards the second light incident side 72.
With reference to Fig. 1 and Fig. 2, first light modulation element 41 is arranged between the first light-emitting component 31 and the first light incident side 71, and the first light modulation element 41 is perpendicular to backboard 10, the first light 33 through the first light modulation element 41 is made to be transformed into the first parallel rays 33 ' of parallel backboard 10.Second light modulation element 42 is arranged between the second light-emitting component 32 and the second light incident side 72, and the second light modulation element 42 is perpendicular to backboard 10, the second light 34 through the second light modulation element 42 is made to be transformed into the second parallel rays 34 ' of parallel backboard 10.
With reference to Fig. 1 and Fig. 2, divergence of beam element 50 to be arranged in cavity 70 and between the first light modulation element 41 and the second light modulation element 42, in order to the first parallel rays 33 ' through divergence of beam element 50 is transformed into the first diverging light 33 " and be transformed into the second diverging light 34 through the second parallel rays 34 ' of divergence of beam element 50 ".
With reference to Fig. 1 and Fig. 2, reflecting plate 60 is arranged on backboard 10, and reflecting plate 60 is positioned at cavity 70, make partial illumination to the first diverging light 33 of reflecting plate 60 " formed by reflecting towards progressive first reverberation of diffuser plate 20 side and partial illumination to the second diverging light 34 of reflecting plate 60 " formed towards progressive second reverberation of diffuser plate 20 side by reflecting, and and then with part not by the first diverging light 33 reflected " and the second diverging light 34 " together with by diffuser plate, form uniform emergent light.
With reference to Fig. 1 and Fig. 2, in this embodiment, divergence of beam element 50 comprises concavees lens.First light modulation element 41 comprises the first convex lens, and the second light modulation element 42 comprises the second convex lens.Among other embodiment, the first light modulation element 41 and the second light modulation element 42 can also for paraboloidal mirror, spherical mirror or other can modulate the optical element of light.
In one embodiment, the first convex lens have the first focus, and the second convex lens have the second focus, and the first light-emitting component 31 is positioned at the first focus, and the second light-emitting component 32 is positioned at the second focus.By this, be transformed into the first parallel rays 33 ' of parallel backboard 10 through the first light 33 of the first light modulation element 41, be transformed into the second parallel rays 34 ' of parallel backboard 10 through the second light 34 of the second light modulation element 42.
With reference to Fig. 1, the plate lamp module 1 of the embodiment of the present invention also comprises frame 80, frame 80 abuts backboard 10, in order to the reflecting plate 60 combining (assembly) diffuser plate 20, first light-emitting component 31, second light-emitting component 32, first light modulation element 41, second light modulation element 42, divergence of beam element 50 and be positioned on backboard 10, and form plate lamp module (backlight module) 1.
In the above-described embodiments, the first light-emitting component 31 and the second light-emitting component 32 optional self-luminous diode packaging body, LED Chips for Communication one of them or its combine.In other embodiments, the first light-emitting component 31 and the second light-emitting component 32 can also be other light supply apparatus, such as fluorescent tube.
Embodiments of the invention can be backlight module, are applied among display or portable electronic devices, think that display or portable electronic devices provide back light.Embodiments of the invention can be plate lamp module, are applied among planar lamp, think that planar lamp provides light source.
The backlight module of the application embodiment of the present invention or plate lamp module, replace the heavy light guide plate of known techniques with the first light modulation element, the second light modulation element and divergence of beam element, therefore significantly can alleviate the weight of display, portable electronic devices or planar lamp.Further, due to the minimizing of material, also have simultaneously and save cost, advantage easy to assembly.
Although the present invention discloses as above with concrete preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; still can do a little change and retouching, the scope that therefore protection scope of the present invention ought define depending on claims is as the criterion.
Claims (7)
1. a backlight module, this backlight module comprises:
Backboard;
Diffuser plate, be arranged at above this backboard, and be spaced a distance with this back plate surface, cavity is defined between this backboard and this diffuser plate, this cavity has relative first end and the second end, this first end has the first light incident side comprising the first opening, and this second end has the second light incident side comprising the second opening;
First light-emitting component, be arranged at this first light incident side contiguous, and this first light-emitting component is perpendicular to this backboard, and launches the first light towards this first light incident side;
Second light-emitting component, be arranged at this second light incident side contiguous, and this second light-emitting component is perpendicular to this backboard, and launches the second light towards this second light incident side;
First light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element is perpendicular to this backboard, this first light through this first light modulation element is made to be transformed into the first parallel rays being parallel to this backboard;
Second light modulation element, be arranged between this second light-emitting component and this second light incident side, and this second light modulation element is perpendicular to this backboard, this second light through this second light modulation element is made to be transformed into the second parallel rays being parallel to this backboard;
Reflecting plate, is arranged on this backboard in this cavity;
It is characterized in that this backlight module also comprises: divergence of beam element, to be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to this first parallel rays through this divergence of beam element is transformed into the first diverging light and this second parallel rays is transformed into the second diverging light; And partial illumination to be formed towards this diffuser plate side progressive first reverberation and partial illumination to this first diverging light of this reflecting plate is formed towards this diffuser plate side progressive second reverberation to this second diverging light of this reflecting plate by reflecting by reflecting, and and then with part not by this first diverging light of reflecting together with this second diverging light by this diffuser plate, form uniform emergent light.
2. backlight module as claimed in claim 1, is characterized in that this divergence of beam element comprises concavees lens.
3. backlight module as claimed in claim 2, it is characterized in that this first light modulation element comprises the first convex lens, this second light modulation element comprises the second convex lens.
4. backlight module as claimed in claim 3, it is characterized in that these first convex lens have the first focus, these second convex lens have the second focus, and this first light-emitting component is positioned at this first focus, and this second light-emitting component is positioned at this second focus.
5. backlight module as claimed in claim 4, it is characterized in that this backlight module also comprises frame, this frame abuts this backboard, in order to combine this diffuser plate, this first light-emitting component, this second light-emitting component, this first light modulation element, this second light modulation element, this divergence of beam element and this reflecting plate, form backlight module.
6. backlight module as claimed in claim 5, is characterized in that this first light-emitting component and this second light-emitting component are selected from light-emittingdiode packaging body, one of them or its of LED Chips for Communication combine.
7. an application for the backlight module as described in claim 1-6 any one, is characterized in that this backlight module is applied to electronic installation, for this electronic installation provides backlight; Or this backlight module is applied to planar lamp, for this planar lamp provides light source.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324939.9A CN103438368B (en) | 2013-07-30 | 2013-07-30 | Plate lamp module and backlight module |
| TW102133806A TW201504564A (en) | 2013-07-30 | 2013-09-18 | Panel light module and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310324939.9A CN103438368B (en) | 2013-07-30 | 2013-07-30 | Plate lamp module and backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438368A CN103438368A (en) | 2013-12-11 |
| CN103438368B true CN103438368B (en) | 2015-09-23 |
Family
ID=49692070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310324939.9A Expired - Fee Related CN103438368B (en) | 2013-07-30 | 2013-07-30 | Plate lamp module and backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103438368B (en) |
| TW (1) | TW201504564A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633683B (en) * | 2019-01-29 | 2021-03-16 | 维沃移动通信有限公司 | Transmitting module, time of flight (TOF) module, mobile terminal and depth detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19961491A1 (en) * | 1999-05-25 | 2000-12-07 | Siteco Beleuchtungstech Gmbh | Light, especially interior light, has hollow light conductor formed by housing with reflective walls bounded at least partly by output coupling device with opposing reflective cover surface |
| CN1306610A (en) * | 1999-05-20 | 2001-08-01 | 皇家菲利浦电子有限公司 | Luminaire with LEDS |
| CN101118043A (en) * | 2006-08-03 | 2008-02-06 | 哈利盛东芝照明株式会社 | Hollow type plate illuminating device |
| CN103206672A (en) * | 2012-01-17 | 2013-07-17 | 隆达电子股份有限公司 | Lamp fitting |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4590283B2 (en) * | 2004-05-21 | 2010-12-01 | シャープ株式会社 | Backlight unit and liquid crystal display device including the same |
| JP2006156231A (en) * | 2004-11-30 | 2006-06-15 | Harison Toshiba Lighting Corp | Backlight |
| JP2009099271A (en) * | 2007-10-12 | 2009-05-07 | Harison Toshiba Lighting Corp | Hollow surface lighting device |
| US20110007506A1 (en) * | 2008-04-11 | 2011-01-13 | Harison Toshiba Lighting Corp. | Lighting apparatus |
-
2013
- 2013-07-30 CN CN201310324939.9A patent/CN103438368B/en not_active Expired - Fee Related
- 2013-09-18 TW TW102133806A patent/TW201504564A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306610A (en) * | 1999-05-20 | 2001-08-01 | 皇家菲利浦电子有限公司 | Luminaire with LEDS |
| DE19961491A1 (en) * | 1999-05-25 | 2000-12-07 | Siteco Beleuchtungstech Gmbh | Light, especially interior light, has hollow light conductor formed by housing with reflective walls bounded at least partly by output coupling device with opposing reflective cover surface |
| CN101118043A (en) * | 2006-08-03 | 2008-02-06 | 哈利盛东芝照明株式会社 | Hollow type plate illuminating device |
| CN103206672A (en) * | 2012-01-17 | 2013-07-17 | 隆达电子股份有限公司 | Lamp fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438368A (en) | 2013-12-11 |
| TW201504564A (en) | 2015-02-01 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150923 Termination date: 20190730 |