CN102278643A - Direct light-emitting diode (LED) flat lamp - Google Patents
Direct light-emitting diode (LED) flat lamp Download PDFInfo
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- CN102278643A CN102278643A CN2011102484034A CN201110248403A CN102278643A CN 102278643 A CN102278643 A CN 102278643A CN 2011102484034 A CN2011102484034 A CN 2011102484034A CN 201110248403 A CN201110248403 A CN 201110248403A CN 102278643 A CN102278643 A CN 102278643A
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Abstract
The invention discloses a direct light-emitting diode (LED) flat lamp and belongs to the technical field of LED lamps. The direct LED flat lamp comprises a frame, and a diffusion layer, a reflecting layer and a substrate are arranged in the frame from a positive surface to a back surface in turn; an LED is arranged on the substrate; and a lens is coated outside the LED. The lens and an LED light bar serve as a light source, light rays are repeatedly reflected in the lens, and aims of diffusing and improving light uniformity are fulfilled. Meanwhile, a diffusion board is arranged on the outermost part to effectively prevent glare. The LED light bar serves as the bottom surface of the light source, and a light guide plate is not used, so that the weight of the whole lamp is greatly lightened, and the structure is simpler; therefore, the whole lamp has lower power, a larger radiating surface and a better radiating effect, and the service life of the lamp is prolonged.
Description
Technical field:
The present invention relates to a kind of straight-down negative LED plane lamp, belong to LED lamp technical field.
Background technology:
Existing LED plane modulated structure, the side entering type structures that adopt more, as shown in Figure 1, comprise a rectangular aluminum frame 6 ', it is characterized in that: be disposed with diffuser plate 4 ', LGP 3 ', reflecting plate 2 ' and backboard 1 ' in the frame 6 ' from the front to the back side, LGP 3 ' avris place also is provided with 4 or 2 lamp bars 5 ' with 400-600 LED in the described frame 6 '.Mainly there is following shortcoming in the LED plane lamp of this structure:
1, luminous efficiency is lower, owing to adopt side entering type light to propagate, the light that is sent by LED causes damage after repeatedly reflection, refraction.
2, must adopt 400-600 LED, power is big, and the LED centralized arrangement is at the scuncheon of lamp, and radiating effect is relatively poor;
3, complex structure owing to adopt light conducting plate structure, need dispose diffuser plate, reflecting plate etc. simultaneously, has not only increased the weight of whole lamp, and simultaneously, production cost and production efficiency further increase.
Summary of the invention:
The objective of the invention is to solve the above-mentioned defective of prior art, and then a kind of simple in structure, luminous efficiency is high, production cost is low straight-down negative LED plane lamp is provided.
The technical solution used in the present invention is as follows: a kind of straight-down negative LED plane lamp, it is characterized in that: the frame that comprises a hollow, in frame, from the front to the back side, be disposed with diffusion layer, reflecting layer and substrate, the upper surface of substrate is provided with some LED, all is coated with the LED lens on each LED.
Further be provided with as follows:
Inboard at frame is provided with groove, and diffusion layer, reflecting layer and substrate are installed in the groove of frame.
The reflecting layer is provided with some apertures, the corresponding setting of aperture with LED, and the LED that is coated with the LED lens protrudes from the reflecting layer from aperture.
Described frame adopts plastic frame or aluminium matter frame.Frame is square, rectangle, circle, ellipse or star heart frame.
Described substrate is plastic base, aluminum substrate or irony substrate.Substrate is square, rectangle, circle, ellipse or star heart substrate.
Several LED that are coated with the LED lens are one group are set to LED lamp bar that some LED lamp bars are arranged and are installed on the substrate.
Described diffusion layer is that light passes through the diffusion layer with plastic basis materials such as PMMA/PC/PET, when running into the medium different (diffusion particle) with its refractive index, the phenomenon of multi-angle, multidirectional refraction, reflection and scattering can take place, thereby reach the light diffusion effect, for the display lighting assembly provides a uniform area light source.Diffusion layer preferably adopts PMMA, PC or PET diffuser plate,
Described reflecting layer be will not be scattered the light source reflection enter again in the light conducting region, with the utilization rate that improves light and obtain preferable appearance and uniformity.Preferred RW-125, RW-125, RW-188, RW-250, UX188 or the UX225 reflection diaphragm of adopting.
Beneficial effect of the present invention is as follows:
1, the present invention is improved to the straight-down negative structure with existing side entering type structure, light output after the atomizing of LED lens, fraction is exported behind reflecting layer and diffusion layer secondary-atomizing, has reduced the light loss consumption, and the utilization rate of light is improved, simultaneously diffusion layer is set, more effectively prevents to dazzle light at outermost.
2, the utility model has been cancelled the structure of LGP, because LGP occupies very large weight and cost in existing side entering type structure LED lamp, by the cancellation LGP, the weight of whole lamp is relieved to about 2KG by original 5--6KG, in addition, do not influence under the outward appearance of whole lamp, the prerequisite attractive in appearance and reduce cost.
3, reduce the use particle of LED, existing plane lamp palpus 400--600 grain LED, straight-down negative LED of the present invention plane lamp only needs about the 50--60 grain, can reach identical effect (lamp of same size model and identical amount of light).
4, the energy-saving and cost-reducing and feature of environmental protection: power consumption reduces to 25 watts (lamp of same size model is a prerequisite with identical amount of light) by original 40 watts, simultaneously, reduced the LED caloric value, thereby change the LED radiating surface and increased area of dissipation, make the security of whole lamp and obtained bigger raising service life.
5, owing to the simplification of structure, reduced the use particle of LED, the saving of material significantly reduces production cost, and production efficiency significantly improves, and is very suitable for large-scale industrial production.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings:
Fig. 1 is the structural representation of existing LED flat lamp;
The profile of a kind of straight-down negative LED of Fig. 2 the present invention plane lamp;
The mounting structure schematic diagram of a kind of straight-down negative LED of Fig. 3 the present invention plane lamp.
The specific embodiment:
As Fig. 2, shown in Figure 3, a kind of straight-down negative LED plane lamp of present embodiment, the frame 4 that comprises a hollow, the inboard of frame 4 is provided with groove 40, in frame 4, from the front to the back side, be disposed with diffusion layer 5, reflecting layer 2 and substrate 1, the upper surface of substrate 1 promptly is provided with some LED3 towards the one side in rectangular shaped rim 4 fronts, on each LED3, all be coated with LED lens 6, reflecting layer 2 is provided with some apertures 20, the corresponding setting with LED3 of aperture 20, the LED3 that is coated with LED lens 6 protrudes from reflecting layer 2 from aperture 20.
In the present embodiment:
In the present embodiment:
Substrate 1 is a rectangle iron plate, scheme as an alternative, and substrate 1 can select to have plastics, aluminium sheet, iron plate or other flame-retarded light materials of anti-flaming function.That substrate 1 shape can be chosen as is square, rectangle, circle, ellipse, the star heart etc.
In the present embodiment:
LED3 is evenly distributed being arranged on the substrate 1, on every LEDs 3, coat LED lens 6 again, scheme as an alternative, the LED3 that several can be coated with LED lens 6 is one group and makes LED lamp bar, some the LED lamp bars that will form are again arranged and are installed on the substrate 1, to enhance productivity.
In the present embodiment:
In the present embodiment:
The UX188 reflectance coating is adopted in reflecting layer 2, scheme as an alternative, existing reflecting plate, reflectance coating or reflector plate all can obtain same effect, can select as known product such as RW-125, RW-188, RW-250, UX188, UX225 reflection diaphragms according to product specification and demand.
The profile and the size in aforesaid substrate 1, diffusion layer 5, reflecting layer 2 must be suitable with the appearance and size of frame 4, can be tight with in the groove 40 of frame 4 inboards to guarantee substrate 1, diffusion layer 5, reflecting layer 2.
The design principle of the present invention and the luminous mechanism of action are as follows:
In conjunction with Fig. 2, shown in Figure 3, light is penetrated by LED3, and is for the first time that light diffusion and atomizing is even by LED lens 6, by reflecting layer 2 light is totally reflected on the most surperficial diffusion layer 5, through bright dipping behind the secondary-atomizing of diffusion layer 5.
The invention provides a kind of novel energy-saving lamp structure, on modulated structure basis, original LED plane, deducted the use of LGP, and the mode that has increased the LED+ lens is as light source, the weight of whole lamp is relieved to about 2KG by original 5--6KG, the plane lamp is as hanger, and alleviating of weight is tantamount to increase security reliability.Because light source uses the technology of lens, LED required number of original light guidance board type plane lamp significantly reduced in addition.(reducing to about the 50--60 grain of novel straight-down negative LED plane lamp) by original plane lamp palpus 400--600 grain LED.Light source makes straight-down negative into by side entering type increases significantly the light uniformity of whole lamp, and the removal of change of the position of lamp bar and LGP reduces the difficulty of processing of whole lamp, improve production of units efficient, the use of removing LGP in addition makes whole lamp improve the utilization rate and the more energy-conserving and environment-protective of light source.
Claims (10)
1. straight-down negative LED plane lamp, it is characterized in that: the frame that comprises a hollow, be disposed with diffusion layer, reflecting layer and substrate in frame from the front to the back side, the upper surface of substrate is provided with some LED, all is coated with the LED lens on each LED.
2. a kind of straight-down negative LED according to claim 1 plane lamp, it is characterized in that: the inboard at frame is provided with groove, and diffusion layer, reflecting layer and substrate are installed in the groove of frame.
3. a kind of straight-down negative LED according to claim 1 plane lamp, it is characterized in that: the reflecting layer is provided with some apertures, the corresponding setting of aperture with LED, the LED that is coated with the LED lens protrudes from the reflecting layer from aperture.
4. a kind of novel straight-down negative LED according to claim 1 plane lamp is characterized in that: frame adopts plastic frame or aluminium matter frame.
5. according to claim 1 or 4 described a kind of straight-down negative LED plane lamps, it is characterized in that: frame is square, rectangle, circle, ellipse or star heart frame.
6. a kind of straight-down negative LED according to claim 1 plane lamp, it is characterized in that: substrate is plastic base, aluminum substrate or irony substrate.
7. according to claim 1 or 6 described a kind of straight-down negative LED plane lamps, it is characterized in that: substrate is square, rectangle, circle, ellipse or star heart substrate.
8. a kind of straight-down negative LED according to claim 1 plane lamp is characterized in that: several LED that are coated with the LED lens are one group are set to LED lamp bar that some LED lamp bars are arranged and are installed on the substrate.
9. a kind of straight-down negative LED according to claim 1 plane lamp is characterized in that: diffusion layer adopts PMMA, PC or PET diffuser plate.
10. a kind of straight-down negative LED according to claim 1 plane lamp is characterized in that: RW-125, RW-125, RW-188, RW-250, UX188 or UX225 reflection diaphragm are adopted in the reflecting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102484034A CN102278643A (en) | 2011-08-26 | 2011-08-26 | Direct light-emitting diode (LED) flat lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102484034A CN102278643A (en) | 2011-08-26 | 2011-08-26 | Direct light-emitting diode (LED) flat lamp |
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| CN102278643A true CN102278643A (en) | 2011-12-14 |
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| CN2011102484034A Pending CN102278643A (en) | 2011-08-26 | 2011-08-26 | Direct light-emitting diode (LED) flat lamp |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425738A (en) * | 2011-12-26 | 2012-04-25 | 同辉电子科技股份有限公司 | LED (light-emitting diode) illumination device |
| WO2013033878A1 (en) * | 2011-09-07 | 2013-03-14 | 孝义市乐百利特科技有限责任公司 | Direct-type led panel light |
| CN104266100A (en) * | 2014-10-16 | 2015-01-07 | 湖州明日照明科技有限公司 | Novel lamp assembly |
| CN105180012A (en) * | 2015-08-19 | 2015-12-23 | 宁波付世光电科技股份有限公司 | LED panel lamp capable of emitting light from bottom |
| CN105387392A (en) * | 2015-12-23 | 2016-03-09 | 江苏鸿佳电子科技有限公司 | LED panel light |
| CN106015972A (en) * | 2016-07-19 | 2016-10-12 | 上海顿格电子贸易有限公司 | Downward panel lamp |
| CN110060591A (en) * | 2019-03-31 | 2019-07-26 | 湖南凯星电子科技有限公司 | A kind of light diffusion module suitable for lamp box |
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| CN201462499U (en) * | 2009-05-07 | 2010-05-12 | 董学文 | LED planar light source structure |
| CN101806404A (en) * | 2010-02-12 | 2010-08-18 | 李骋翔 | High-efficiency flexible surface light source |
| CN201582659U (en) * | 2009-11-11 | 2010-09-15 | 深圳帝光电子有限公司 | Ultrathin LED panel light |
| CN102042521A (en) * | 2010-09-29 | 2011-05-04 | 林浩泽 | Soft high-efficiency light-emitting diode (LED) surface light source |
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2011
- 2011-08-26 CN CN2011102484034A patent/CN102278643A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201462499U (en) * | 2009-05-07 | 2010-05-12 | 董学文 | LED planar light source structure |
| CN201582659U (en) * | 2009-11-11 | 2010-09-15 | 深圳帝光电子有限公司 | Ultrathin LED panel light |
| CN101806404A (en) * | 2010-02-12 | 2010-08-18 | 李骋翔 | High-efficiency flexible surface light source |
| CN102042521A (en) * | 2010-09-29 | 2011-05-04 | 林浩泽 | Soft high-efficiency light-emitting diode (LED) surface light source |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013033878A1 (en) * | 2011-09-07 | 2013-03-14 | 孝义市乐百利特科技有限责任公司 | Direct-type led panel light |
| CN102425738A (en) * | 2011-12-26 | 2012-04-25 | 同辉电子科技股份有限公司 | LED (light-emitting diode) illumination device |
| CN104266100A (en) * | 2014-10-16 | 2015-01-07 | 湖州明日照明科技有限公司 | Novel lamp assembly |
| CN104266100B (en) * | 2014-10-16 | 2016-04-27 | 湖州明日照明科技有限公司 | Lamp assembly |
| CN105180012A (en) * | 2015-08-19 | 2015-12-23 | 宁波付世光电科技股份有限公司 | LED panel lamp capable of emitting light from bottom |
| CN105387392A (en) * | 2015-12-23 | 2016-03-09 | 江苏鸿佳电子科技有限公司 | LED panel light |
| CN106015972A (en) * | 2016-07-19 | 2016-10-12 | 上海顿格电子贸易有限公司 | Downward panel lamp |
| CN110060591A (en) * | 2019-03-31 | 2019-07-26 | 湖南凯星电子科技有限公司 | A kind of light diffusion module suitable for lamp box |
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Owner name: ZHEJIANG SKYCRYSTAL PHOTONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHEJIANG CONNWII ELECTRON TECHNOLOGY CO., LTD. Effective date: 20120227 |
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Effective date of registration: 20120227 Address after: The Northeast Road 312000 in Zhejiang province Shaoxing City Paojiang Industrial Zone No. 24 Applicant after: Zhejiang Tianjing Optoelectronic Technology Co., Ltd. Address before: This 312000 city of Shaoxing province Zhejiang Paojiang Industrial Zone Road and road intersection Applicant before: Zhejiang Connwii Electron Technology Co.,Ltd. |
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Application publication date: 20111214 |