CN103438368A - Plate lamp module and backlight module - Google Patents
Plate lamp module and backlight module Download PDFInfo
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- CN103438368A CN103438368A CN2013103249399A CN201310324939A CN103438368A CN 103438368 A CN103438368 A CN 103438368A CN 2013103249399 A CN2013103249399 A CN 2013103249399A CN 201310324939 A CN201310324939 A CN 201310324939A CN 103438368 A CN103438368 A CN 103438368A
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Abstract
The invention provides a backlight module and a plate lamp module. The backlight module or the plate lamp module comprises a back plate, a diffuser plate, a first light-emitting element, a second light-emitting element, a first light modulation element, a second light modulation element and a light diverging element, wherein the diffuser plate is arranged above the back plate, and the first light-emitting element emits first light; the second light-emitting element emits second light, and the first light passing through the first light modulation element is converted into first parallel light which is in parallel with the back plate; the second light passing through the second light modulation element is converted into second parallel light which is in parallel with the back plate, and the first and second parallel light passing through the light diverging element is respectively converted into first diverging light and second diverging light; and the first diverging light and the second diverging light pass through the diffuser plate to form uniform emergent light. The weight of a display, a portable electronic device or a panel light is substantially reduced, and the backlight module or plate lamp module has the advantages of cost saving and convenience in assembly.
Description
Technical field
The present invention is about a kind of backlight module and plate lamp module, but especially in regard to a kind of backlight module and plate lamp module that is applied to alleviator weight.
Background technology
Among known backlight module and plate lamp module, all need to use LGP, thereby cause the heavy and assembling inconvenience of the weight of backlight module and plate lamp module.And, because LGP has been used more material, therefore increased manufacturing cost and the relatively not environmental protection of product.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of backlight module and plate lamp module, to overcome in prior art backlight module 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 this backboard top, and be spaced a distance with this back plate surface, define cavity 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 that comprises the first opening, and this second end has the second light incident side that comprises the second opening; The first light-emitting component, be arranged at contiguous this first light incident side, and this first light-emitting component is perpendicular to this backboard, and launch the first light towards this first light incident side; The second light-emitting component, be arranged at contiguous this second light incident side, and this second light-emitting component is perpendicular to this backboard, and launch the second light towards this second light incident side; The first light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element, perpendicular to this backboard, makes to be transformed into through this first light of this first light modulation element the first parallel rays that is parallel to this backboard; The second light is adjusted this second light modulation element element processed, be arranged between this second light-emitting component and this second light incident side, and, perpendicular to this backboard, make to be transformed into through this second light of this second light modulation element the second parallel rays that is parallel to this backboard; The divergence of beam element, be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to will be transformed into the first diverging light through this first parallel rays of this divergence of beam element and this second parallel rays is transformed into the second diverging light; And reflecting plate, be arranged on this backboard in this cavity, this first diverging light that makes part shine this reflecting plate is reflected and forms this second diverging light that towards this diffuser plate side progressive the first reverberation and part shine this reflecting plate and be reflected and form progressive the second reverberation towards this diffuser plate side, and and then with this first diverging light of not being reflected of part 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, is characterized in that 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 backlight module also comprises frame, this this backboard of frame butt, 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 one of them or its combination of light-emittingdiode packaging body, LED Chips for Communication.
The present invention also provides a kind of plate lamp module, and plate lamp module comprises: backboard; Diffuser plate, be arranged at this backboard top, and be spaced a distance with this back plate surface, define cavity 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 that comprises the first opening, and this second end has the second light incident side that comprises the second opening; The first light-emitting component, be arranged at contiguous this first light incident side, and this first light-emitting component is perpendicular to this backboard, and launch the first light towards this first light incident side; The second light-emitting component, be arranged at contiguous this second light incident side, and this second light-emitting component is perpendicular to this backboard, and launch the second light towards this second light incident side; The first light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element, perpendicular to this backboard, makes to be transformed into through this first light of this first light modulation element the first parallel rays that is parallel to this backboard; The second light modulation element, be arranged between this second light-emitting component and this second light incident side, and this second light modulation element, perpendicular to this backboard, makes to be transformed into through this second light of this second light modulation element the second parallel rays that is parallel to this backboard; The divergence of beam element, be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to will be transformed into the first diverging light through this first parallel rays of this divergence of beam element and this second parallel rays is transformed into the second diverging light; And reflecting plate, be arranged on this backboard in this cavity, this first diverging light that makes part shine this reflecting plate is reflected and forms this second diverging light that towards this diffuser plate side progressive the first reverberation and part shine this reflecting plate and be reflected and form progressive the second reverberation towards this diffuser plate side, and and then with this first diverging light of not being reflected of part 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 this backboard of frame butt, 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 one of them or its combination of light-emittingdiode packaging body, LED Chips for Communication.
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 applied among planar lamp for plate lamp module, think that planar lamp provides light source.
Compared with prior art, backlight module of the present invention or plate lamp module, replace the heavy LGP of known techniques with the first light modulation element, the second light modulation element and divergence of beam element, apply the weight that it can significantly alleviate display, portable electronic devices or planar lamp.And, due to the minimizing of material, also there is the cost, easy to assembly of saving simultaneously.
The accompanying drawing explanation
The sectional axonometric drawing of the plate lamp module (backlight module) that Fig. 1 is the embodiment of the present invention;
The profile of the plate lamp module (backlight module) that Fig. 2 is the embodiment of the present invention.
The specific embodiment
For making that purpose of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
With reference to Fig. 1 and Fig. 2, the sectional axonometric drawing of the plate lamp module (backlight module) that Fig. 1 is the embodiment of the present invention; The profile of the plate lamp module (backlight module) that Fig. 2 is the embodiment of the present invention.The plate lamp module (backlight module) 1 of the embodiment of the present invention, comprise backboard 10, diffuser plate 20, the first light-emitting component 31, the second light-emitting component 32, the first light modulation element 41, the second light modulation element 42, divergence of beam element 50 and reflecting plate 60.Diffuser plate 20 is arranged at backboard 10 tops, and with backboard 10 spaced surface one segment distances, define cavity 70 between backboard 10 and diffuser plate 20, and cavity 70 two ends have the first light incident side 71 and the second light incident side 72 that has toward each other and respectively opening.
With reference to Fig. 1 and Fig. 2, the first light-emitting component 31 is arranged at contiguous the first light incident side 71, and the first light-emitting component 31 is perpendicular to backboard 10, and towards first light incident side 71 emission the first light 33.The second light-emitting component 32 is arranged at contiguous the second light incident side 72, and the second light-emitting component 32 is perpendicular to backboard 10, and towards second light incident side 72 emission the second light 34.
With reference to Fig. 1 and Fig. 2, the 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, perpendicular to backboard 10, makes to be transformed into through the first light 33 of the first light modulation element 41 the first parallel rays 33 ' of parallel backboard 10.The 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, perpendicular to backboard 10, makes to be transformed into through the second light 34 of the second light modulation element 42 the second parallel rays 34 ' of parallel backboard 10.
With reference to Fig. 1 and Fig. 2, divergence of beam element 50 is arranged in cavity 70 and between the first light modulation element 41 and the second light modulation element 42, in order to being transformed into the first diverging light 33 through the first parallel rays 33 ' of divergence of beam element 50 " 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 part shine the first diverging light 33 of reflecting plate 60 " be reflected and form the second diverging light 34 that shines reflecting plate 60 towards progressive the first reverberation of diffuser plate 20 sides and part " be reflected and form progressive the second reverberation towards diffuser plate 20 sides, and and then with the first diverging light 33 of not being reflected of part " 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.The 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 can be modulated the optical element of light for paraboloidal mirror, spherical mirror or other.
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 butt backboards 10, in order to combine (assembly) diffuser plate 20, the first light-emitting component 31, the second light-emitting component 32, the first light modulation element 41, the second light modulation element 42, divergence of beam element 50 and to be positioned at the reflecting plate 60 on backboard 10, and form plate lamp module (backlight module) 1.
In the above-described embodiments, one of them or its combination of the first light-emitting component 31 and the optional self-luminous diode of the second light-emitting component 32 packaging body, LED Chips for Communication.In other embodiments, the first light-emitting component 31 and the second light-emitting component 32 can also be other light supply apparatus, for example 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 applied among planar lamp for plate lamp module, think that planar lamp provides light source.
Backlight module or the plate lamp module of the application embodiment of the present invention, replace the heavy LGP of known techniques with the first light modulation element, the second light modulation element and divergence of beam element, so can significantly alleviate the weight of display, portable electronic devices or planar lamp.And, due to the minimizing of material, also there is the cost, easy to assembly of saving simultaneously.
Although the present invention discloses as above with concrete preferred embodiment; so it is not in order 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, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (12)
1. a backlight module is characterized in that this backlight module comprises:
Backboard;
Diffuser plate, be arranged at this backboard top, and be spaced a distance with this back plate surface, define cavity 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 that comprises the first opening, and this second end has the second light incident side that comprises the second opening;
The first light-emitting component, be arranged at contiguous this first light incident side, and this first light-emitting component is perpendicular to this backboard, and launch the first light towards this first light incident side;
The second light-emitting component, be arranged at contiguous this second light incident side, and this second light-emitting component is perpendicular to this backboard, and launch the second light towards this second light incident side;
The first light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element, perpendicular to this backboard, makes to be transformed into through this first light of this first light modulation element the first parallel rays that is parallel to this backboard;
The second light modulation element, be arranged between this second light-emitting component and this second light incident side, and this second light modulation element, perpendicular to this backboard, makes to be transformed into through this second light of this second light modulation element the second parallel rays that is parallel to this backboard;
The divergence of beam element, be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to will be transformed into the first diverging light through this first parallel rays of this divergence of beam element and this second parallel rays is transformed into the second diverging light; And
Reflecting plate, be arranged on this backboard in this cavity, this first diverging light that makes part shine this reflecting plate is reflected and forms this second diverging light that towards this diffuser plate side progressive the first reverberation and part shine this reflecting plate and be reflected and form progressive the second reverberation towards this diffuser plate side, and and then with this first diverging light of not being reflected of part 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, is characterized in that this first light modulation element comprises the first convex lens, and this second light modulation element comprises the second convex lens.
4. backlight module as claimed in claim 3, is characterized in that 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.
5. backlight module as claimed in claim 4, it is characterized in that this backlight module also comprises frame, this this backboard of frame butt, 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 one of them or its combination of light-emittingdiode packaging body, LED Chips for Communication.
7. a plate lamp module is characterized in that this plate lamp module comprises:
Backboard;
Diffuser plate, be arranged at this backboard top, and be spaced a distance with this back plate surface, define cavity 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 that comprises the first opening, and this second end has the second light incident side that comprises the second opening;
The first light-emitting component, be arranged at contiguous this first light incident side, and this first light-emitting component is perpendicular to this backboard, and launch the first light towards this first light incident side;
The second light-emitting component, be arranged at contiguous this second light incident side, and this second light-emitting component is perpendicular to this backboard, and launch the second light towards this second light incident side;
The first light modulation element, be arranged between this first light-emitting component and this first light incident side, and this first light modulation element, perpendicular to this backboard, makes to be transformed into through this first light of this first light modulation element the first parallel rays that is parallel to this backboard;
The second light modulation element, be arranged between this second light-emitting component and this second light incident side, and this second light modulation element, perpendicular to this backboard, makes to be transformed into through this second light of this second light modulation element the second parallel rays that is parallel to this backboard;
The divergence of beam element, be arranged in this cavity and between this first light modulation element and this second light modulation element, in order to will be transformed into the first diverging light through this first parallel rays of this divergence of beam element and this second parallel rays is transformed into the second diverging light; And
Reflecting plate, be arranged on this backboard in this cavity, this first diverging light that makes part shine this reflecting plate is reflected and forms this second diverging light that towards this diffuser plate side progressive the first reverberation and part shine this reflecting plate and be reflected and form progressive the second reverberation towards this diffuser plate side, and and then with this first diverging light of not being reflected of part together with this second diverging light by this diffuser plate, form uniform emergent light.
8. plate lamp module as claimed in claim 7, is characterized in that this divergence of beam element comprises concavees lens.
9. plate lamp module as claimed in claim 8, is characterized in that this first light modulation element comprises the first convex lens, and this second light modulation element comprises the second convex lens.
10. plate lamp module as claimed in claim 9, is characterized in that 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.
11. plate lamp module as claimed in claim 10, it is characterized in that this plate lamp module also comprises frame, this this backboard of frame butt, 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.
12. plate lamp module as claimed in claim 11, is characterized in that this first light-emitting component and this second light-emitting component are selected from one of them or its combination of light-emittingdiode packaging body, LED Chips for Communication.
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 |
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CN103438368A true CN103438368A (en) | 2013-12-11 |
CN103438368B CN103438368B (en) | 2015-09-23 |
Family
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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 |
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CN (1) | CN103438368B (en) |
TW (1) | TW201504564A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109633683A (en) * | 2019-01-29 | 2019-04-16 | 维沃移动通信有限公司 | Emitting mould train, flight time TOF mould group, mobile terminal and depth detection method |
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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 |
JP2006156231A (en) * | 2004-11-30 | 2006-06-15 | Harison Toshiba Lighting Corp | Backlight |
CN101118043A (en) * | 2006-08-03 | 2008-02-06 | 哈利盛东芝照明株式会社 | Hollow type plate illuminating device |
US20080129927A1 (en) * | 2004-05-21 | 2008-06-05 | Sharp Kabushiki Kaisha | Backlight unit and liquid crystal display device having the same |
WO2009048053A1 (en) * | 2007-10-12 | 2009-04-16 | Harison Toshiba Lighting Corporation | Hollow planar illuminating device |
WO2009125618A1 (en) * | 2008-04-11 | 2009-10-15 | ハリソン東芝ライティング株式会社 | Light emitting device |
CN103206672A (en) * | 2012-01-17 | 2013-07-17 | 隆达电子股份有限公司 | Lamp fitting |
-
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
US20080129927A1 (en) * | 2004-05-21 | 2008-06-05 | Sharp Kabushiki Kaisha | Backlight unit and liquid crystal display device having the same |
JP2006156231A (en) * | 2004-11-30 | 2006-06-15 | Harison Toshiba Lighting Corp | Backlight |
CN101118043A (en) * | 2006-08-03 | 2008-02-06 | 哈利盛东芝照明株式会社 | Hollow type plate illuminating device |
WO2009048053A1 (en) * | 2007-10-12 | 2009-04-16 | Harison Toshiba Lighting Corporation | Hollow planar illuminating device |
WO2009125618A1 (en) * | 2008-04-11 | 2009-10-15 | ハリソン東芝ライティング株式会社 | Light emitting device |
CN103206672A (en) * | 2012-01-17 | 2013-07-17 | 隆达电子股份有限公司 | Lamp fitting |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109633683A (en) * | 2019-01-29 | 2019-04-16 | 维沃移动通信有限公司 | Emitting mould train, flight time TOF mould group, mobile terminal and depth detection method |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN103438368B (en) | 2015-09-23 |
TW201504564A (en) | 2015-02-01 |
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