CN105042388A - Panel lamp and light-emitting method thereof - Google Patents
Panel lamp and light-emitting method thereof Download PDFInfo
- Publication number
- CN105042388A CN105042388A CN201510573344.6A CN201510573344A CN105042388A CN 105042388 A CN105042388 A CN 105042388A CN 201510573344 A CN201510573344 A CN 201510573344A CN 105042388 A CN105042388 A CN 105042388A
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- CN
- China
- Prior art keywords
- light
- guide plate
- light source
- light guide
- panel
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to the field of panel lamps, and provides a panel lamp and a light-emitting method thereof. The panel lamp comprises a diffuser plate, a light guiding plate, light sources, an aluminum substrate, a radiator and lenses. The diffuser plate is fixed to the upper surface of the light guiding plate in parallel. The side face of the light guiding plate is provided with an inclined plane inclined inwards. The radiator is fixed to the side, provided with the inclined plane, of the light guiding plate, and the radiator and the light guiding plate are located on the same horizontal plane. The aluminum substrate is installed on the radiator. The light sources are installed on the aluminum substrate and arranged along the inclined plane in an inclined mode. The panel lamp has the advantages that the inclined plane is arranged on the side face of the light guiding plate, the light sources are distributed on the inclined plane of the light guiding plate, the lenses are arranged on the surfaces of the light sources, the light sources emit light in an inclined mode and conduct light distribution again through the lenses, the light strength of the area close to the light sources is decreased, no frame needs to be arranged on the surface of the panel lamp, and the relative light-emitting area of the panel lamp is increased.
Description
Technical field
The present invention relates to panel light field, particularly a kind of panel light and bright dipping method thereof.
Background technology
Along with the development day by day of LED illumination technology, LED panel lamp relies on its outward appearance succinctly attractive in appearance and comfortable light-emitting mode, is used widely.
As shown in Figure 3, light source enters light from light guide plate side to existing panel light, and light enters light guide plate inside, and according to total reflection law, light constantly reflects in light guide plate inside.When on the site that light is irradiated to light guide plate lower surface, conditioned reflex will be destroyed, and light will form diffuse reflection, irradiate to all directions, and the light now not meeting total reflection law according to the law of refraction, will penetrate from light guide plate upper surface.Light is inner through countless refractions, reflection at light guide plate, forms uniform light-emitting area, finally by diffuser plate by Light distribation homogenising more in light guide plate.
And in fact, LED luminescence is lambert's body luminescence (as shown in Figure 4), do not reach the angle of total reflection when some light of close to sources region is irradiated to light guide plate upper surface, therefore light can not be reflected onto light guide plate lower surface but directly penetrate from light guide plate according to the law of refraction.Again because this part of close to sources light, make human eye clearly can perceive its brightness of brightness far above surrounding, so panel light structure must have an overcover by this some light to sheltering from, to prevent the generation of bright border, and light source is arranged in light guide plate side, frame must be thickeied again to reach better heat radiation (as shown in Figure 3).Thus, the volume of panel light becomes large, and light-emitting area diminishes, and light utilization efficiency declines to some extent, and outward appearance is also influenced to some extent.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, panel light and the bright dipping method thereof of the Rimless that a kind of light-emitting area is large is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of panel light, comprise diffuser plate, light guide plate, light source, aluminium base, radiator and lens, described diffuser plate is parallel is fixed on light guide plate upper surface, the side of described light guide plate is provided with intilted inclined-plane, described radiator is fixed described light guide plate and is established bevelled side and be in same level with light guide plate, described aluminium base is arranged on described radiator, described light source to be arranged on aluminium base and to arrange along described inclined-plane oblique arrangement, described lens are arranged on described light source surface, the light distribution of described light source after lens luminous intensity distribution is strengthened to light guide plate inside gradually by light-guide edge.
In order to produce above-mentioned panel light, the method that the present invention adopts is:
A bright dipping method for panel light, comprises the following steps:
Intilted inclined-plane is provided with in the side of light guide plate, by light source along the inclined-plane spread configuration on light guide plate, lens are set on light source surface, light source scioptics inclination bright dipping, the light distribution of light source after lens luminous intensity distribution is strengthened to light guide plate inside gradually by light-guide edge.
Beneficial effect of the present invention is: the side of light guide plate is provided with inclined-plane, light source is arranged on the inclined-plane of light guide plate, the bright dipping of light source is made to become inclination towards from level, the surface of light source is provided with lens simultaneously, the light that light source sends is through lens luminous intensity distribution again, the luminous intensity distribution of scioptics and the inclination bright dipping of light source, the light distribution that light source is emitted beam is strengthened to light guide plate inside gradually by light-guide edge, remove the highlight area at panel light edge, and improve the luminous intensity of light source to light guide plate inside, make the surface of panel light without the need to arranging frame, simultaneously because the inclined-plane of the corresponding light guide plate of radiator is installed, radiator can be arranged on bottom panel light, make radiator need not take the edge volume of panel light, increase the relative luminous area of panel light, improve light utilization efficiency, realize the panel light of Rimless structure, make panel light three-dimensional more, improve visual effect.
Accompanying drawing explanation
Fig. 1 is the structure chart of embodiment of the present invention panel light;
Fig. 2 is the distribution curve flux figure of embodiment of the present invention luminous intensity distribution light source module;
Fig. 3 is the structure chart of panel light in prior art;
Fig. 4 is the distribution curve flux figure of LED light source in prior art.
Label declaration:
1, diffuser plate; 2, light guide plate; 3, light source; 4, radiator; 5, lens; 21, inclined-plane; 11, kink.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The design of most critical of the present invention is: the side of light guide plate is provided with inclined-plane, light source is arranged on the inclined-plane of light guide plate, the surface of light source is provided with lens, make light source incline bright dipping and through lens luminous intensity distribution again, weaken the light intensity near source region, making the surface of panel light without the need to arranging frame, increasing the relative luminous area of panel light.
Refer to shown in Fig. 1 to Fig. 2, the panel light of the present embodiment, comprise diffuser plate 1, light guide plate 2, light source 3, aluminium base, radiator 4 and lens 5, described diffuser plate 1 is parallel is fixed on light guide plate 2 upper surface, the side of described light guide plate 2 is provided with intilted inclined-plane 21, described radiator 4 is fixed described light guide plate 2 and is provided with the side on inclined-plane 21 and is in same level with light guide plate 2, described aluminium base is arranged on described radiator 4, described light source 3 to be arranged on aluminium base and to arrange along described inclined-plane 21 oblique arrangement, described lens 5 are arranged on described light source 3 surface, the light distribution of described light source 3 after lens 5 luminous intensity distribution is strengthened to light guide plate 2 inside gradually by light guide plate 2 edge.
The course of work of the present invention is: by light source 3 along inclined-plane 21 spread configuration on light guide plate 2, and light source 3 scioptics 5 tilt bright dipping, and the light distribution of light source 3 is strengthened to light guide plate 2 inside gradually by light guide plate 2 edge.
From foregoing description, beneficial effect of the present invention is: the side of light guide plate 2 is provided with inclined-plane 21, light source 3 is arranged on the inclined-plane 21 of light guide plate 2, the bright dipping of light source 3 is made to become inclination towards from level, the surface of light source 3 is provided with lens 5 simultaneously, the light that light source 3 sends is through lens 5 luminous intensity distribution again, the luminous intensity distribution of scioptics 5 and the inclination bright dipping of light source 3, the light distribution that light source 3 is emitted beam is strengthened to light guide plate 2 inside gradually by light guide plate 2 edge, remove the highlight area at panel light edge, and improve the luminous intensity of light source 3 to light guide plate 2 inside, make the surface of panel light without the need to arranging frame, simultaneously owing to installing on the inclined-plane 21 of the corresponding light guide plate 2 of radiator 4, radiator 4 can be arranged on bottom panel light, make radiator 4 need not take the edge volume of panel light, increase the relative luminous area of panel light, improve light utilization efficiency, realize the panel light of Rimless structure, make panel light three-dimensional more, improve visual effect.
Further, described diffuser plate 1 edge is bent to form kink 11, and described kink 11 is arranged on the side of described light guide plate 2.
Seen from the above description, kink 11 is arranged on light guide plate 2 side, achieves the complete Rimless structure of panel light, makes panel light three-dimensional more, improve visual effect.
Further, the inclination angle on described inclined-plane 21 is 30 ° ~ 45 °.
Seen from the above description, the inclination angle on inclined-plane 21 is 30 ° ~ 45 °, makes light source 3 be in a suitable rising angle, is beneficial to luminous intensity distribution, and facilitates radiator 4 to install.
Further, described light source 3 is LED.
Seen from the above description, LED volume is little, and luminous efficiency is high, can install in less space, meets the luminous demand of panel light.
Please refer to shown in Fig. 1 to Fig. 2, embodiments of the invention one are:
A kind of panel light and bright dipping method thereof, comprise diffuser plate 1, light guide plate 2, light source 3, aluminium base, radiator 4 and lens 5, described diffuser plate 1 is parallel is fixed on light guide plate 2 upper surface, the side of described light guide plate 2 is provided with intilted inclined-plane 21, described radiator 4 is fixed described light guide plate 2 and is provided with the side on inclined-plane 21 and is in same level with light guide plate 2, described aluminium base is arranged on described radiator 4, described light source 3 to be arranged on aluminium base and to arrange along described inclined-plane 21 oblique arrangement, described lens 5 are arranged on described light source 3 surface, the light distribution of described light source 3 after lens 5 luminous intensity distribution is strengthened to light guide plate 2 inside gradually by light guide plate 2 edge, described diffuser plate 1 edge is bent to form kink 11, described kink 11 is arranged on the side of described light guide plate 2, the inclination angle on described inclined-plane 21 is 30 ° ~ 45 °, described light source 3 is LED.
In sum, panel light provided by the invention and bright dipping method thereof, the side of light guide plate is provided with inclined-plane, light source is arranged on the inclined-plane of light guide plate, the bright dipping of light source is made to become inclination towards from level, the surface of light source is provided with lens simultaneously, the light that light source sends is through lens luminous intensity distribution again, the luminous intensity distribution of scioptics and the inclination bright dipping of light source, the light distribution that light source is emitted beam is strengthened to light guide plate inside gradually by light-guide edge, remove the highlight area at panel light edge, and improve the luminous intensity of light source to light guide plate inside, make the surface of panel light without the need to arranging frame, simultaneously because the inclined-plane of the corresponding light guide plate of radiator is installed, radiator can be arranged on bottom panel light, make radiator need not take the edge volume of panel light, increase the relative luminous area of panel light, improve light utilization efficiency, kink is arranged on light guide plate side, realize the panel light of Rimless structure, make panel light three-dimensional more, improve visual effect, the inclination angle on inclined-plane is 30 ° ~ 45 °, light source is made to be in a suitable rising angle, be beneficial to luminous intensity distribution, and facilitate radiator to install, LED volume is little, luminous efficiency is high, can install in less space, meet the luminous demand of panel light.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a panel light, it is characterized in that: comprise diffuser plate, light guide plate, light source, aluminium base, radiator and lens, described diffuser plate is parallel is fixed on light guide plate upper surface, the side of described light guide plate is provided with intilted inclined-plane, described radiator is fixed described light guide plate and is established bevelled side and be in same level with light guide plate, described aluminium base is arranged on described radiator, described light source to be arranged on aluminium base and to arrange along described inclined-plane oblique arrangement, described lens are arranged on described light source surface, the light distribution of described light source after lens luminous intensity distribution is strengthened to light guide plate inside gradually by light-guide edge.
2. panel light according to claim 1, is characterized in that: described diffuser plate edge is bent to form kink, and described kink is arranged on the side of described light guide plate.
3. panel light according to claim 1, is characterized in that: the inclination angle on described inclined-plane is 30 ° ~ 45 °.
4. panel light according to claim 1, is characterized in that: described light source is LED.
5. a bright dipping method for panel light, is characterized in that, comprise the following steps:
Intilted inclined-plane is provided with in the side of light guide plate, by light source along the inclined-plane spread configuration on light guide plate, lens are set on light source surface, light source scioptics inclination bright dipping, the light distribution of light source after lens luminous intensity distribution is strengthened to light guide plate inside gradually by light-guide edge.
Priority Applications (1)
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CN201510573344.6A CN105042388A (en) | 2015-09-10 | 2015-09-10 | Panel lamp and light-emitting method thereof |
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CN201510573344.6A CN105042388A (en) | 2015-09-10 | 2015-09-10 | Panel lamp and light-emitting method thereof |
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CN201510573344.6A Pending CN105042388A (en) | 2015-09-10 | 2015-09-10 | Panel lamp and light-emitting method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
Citations (6)
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CN101684918A (en) * | 2009-05-22 | 2010-03-31 | 西安智海电力科技有限公司 | Non-imaging optical directional light distribution lens of LED light source |
CN101922662A (en) * | 2010-08-18 | 2010-12-22 | 友达光电股份有限公司 | Light-source structure of light-emitting diode |
CN202266940U (en) * | 2011-10-13 | 2012-06-06 | 孝义市乐百利特科技有限责任公司 | LED panel lamp |
CN102644890A (en) * | 2012-04-01 | 2012-08-22 | 深圳市华星光电技术有限公司 | Narrow-frame backlight module |
CN202629831U (en) * | 2012-06-28 | 2012-12-26 | 上海天马微电子有限公司 | Backlight module |
CN204141288U (en) * | 2014-07-02 | 2015-02-04 | 深圳市日上光电股份有限公司 | A kind of panel light of multifaceted light-emitting |
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2015
- 2015-09-10 CN CN201510573344.6A patent/CN105042388A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101684918A (en) * | 2009-05-22 | 2010-03-31 | 西安智海电力科技有限公司 | Non-imaging optical directional light distribution lens of LED light source |
CN101922662A (en) * | 2010-08-18 | 2010-12-22 | 友达光电股份有限公司 | Light-source structure of light-emitting diode |
CN202266940U (en) * | 2011-10-13 | 2012-06-06 | 孝义市乐百利特科技有限责任公司 | LED panel lamp |
CN102644890A (en) * | 2012-04-01 | 2012-08-22 | 深圳市华星光电技术有限公司 | Narrow-frame backlight module |
CN202629831U (en) * | 2012-06-28 | 2012-12-26 | 上海天马微电子有限公司 | Backlight module |
CN204141288U (en) * | 2014-07-02 | 2015-02-04 | 深圳市日上光电股份有限公司 | A kind of panel light of multifaceted light-emitting |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114624811A (en) * | 2022-05-17 | 2022-06-14 | 深圳市北泰显示技术有限公司 | Production method of display screen backlight module |
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