CN102878465A - High-brightness light-emitting diode (LED) panel lamp - Google Patents
High-brightness light-emitting diode (LED) panel lamp Download PDFInfo
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- CN102878465A CN102878465A CN2012103928569A CN201210392856A CN102878465A CN 102878465 A CN102878465 A CN 102878465A CN 2012103928569 A CN2012103928569 A CN 2012103928569A CN 201210392856 A CN201210392856 A CN 201210392856A CN 102878465 A CN102878465 A CN 102878465A
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- flat lamp
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Abstract
The invention relates to a high-brightness light-emitting diode (LED) panel lamp, in particular to a frameless high-brightness LED panel lamp. The panel lamp comprises a light guide plate, wherein a trough is formed on the light guide plate; an LED lamp strip is arranged in the trough; and a reflective sheet is arranged at the lower end of the light guide plate. Through the design that the LED lamp strip is arranged in the trough, an external frame is not needed, and the LED lamp strip is directly arranged in the light guide plate, so that frameless display of the panel lamp is realized, and the light-emitting area of the panel lamp is maximized; and meanwhile, the size and the thickness of the panel lamp are effectively reduced, the manufacturing cost is saved, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of highlighted LED flat lamp, relate in particular to a kind of highlighted LED flat lamp of frameless construction.
Background technology
The LED flat lamp because it is energy-conservation, brightness is high, without advantages such as infrared and ultra-violet radiations, by the every profession and trade extensive use; The LED flat lamp that has on the market at present two kinds of structures; A kind of is the straight-down negative flat lamp, and another kind is the side entering type flat lamp; The structure of straight-down negative flat lamp is: end reflector plate, led array, diffuser plate and wide framework; This structure is if satisfy large scale, high brightness and the uniform picture diffuser plate of the more led array of needs and high permeability, high mist degree then, if the diffuser plate mist degree is bad, will see one by one LED lamp shadow at the exiting surface of flat lamp; Have a strong impact on illuminating effect; The side entering type flat lamp can effectively reduce LED lamp bar quantity because adding the design of LGP, but because being subjected to the limitation of its LED lamp bar arrangement mode, can cause the light in part of LGP and exiting surface to produce obvious briliancy difference; In addition, above-mentioned two kinds of flat lamp all are equipped with the external frame structure, thereby cause its light-emitting area to reduce, and volume increases, thickness increases; Therefore, for above deficiency, the present invention is badly in need of providing a kind of new highlighted LED flat lamp.
Summary of the invention
The purpose of this invention is to provide a kind of highlighted LED flat lamp, this highlighted LED flat lamp arranges LED lamp bar in draw-in groove, can make flat lamp realize that Rimless shows, makes the light-emitting area maximization.
The objective of the invention is to be achieved through the following technical solutions: a kind of highlighted LED flat lamp, this flat lamp comprises a LGP, and this LGP is provided with draw-in groove, is provided with LED lamp bar in this draw-in groove, and described LGP lower end is provided with reflector plate.
Described LGP bottom face is laid the site.
Described reflector plate bottom is provided with backboard.
Described backboard comprises clamp and pressing plate; Mounted LED lamp bar on the described clamp, described pressing plate are arranged on described reflecting plate bottom; Described LED lamp bar clamps by clamp and described draw-in groove.
Described LGP is provided with diffusion sheet.
Described LED lamp bar comprises a plurality of tactic LED lamps and is connected on divider resistance between each LED lamp.
Described LED lamp bar is bonding by heat-conducting glue and described clamp.
The width of described draw-in groove is not less than the width of LED lamp bar, and the width of described clamp equals the width of draw-in groove.
Be provided with two draw-in grooves at described LGP; Respectively be provided with a clamp at described pressing plate two ends, described two clamps clamp with two draw-in grooves are corresponding.
Described LGP is provided with two draw-in grooves, and described reflector plate bottom correspondence is provided with two backboards, and the clamp of described two backboards clamps with two draw-in grooves are corresponding.
The present invention compared with prior art has following advantage:
1, the present invention adopts the design that LED lamp bar is set in draw-in groove, can save external frame, directly places LED lamp bar in the LGP; Thereby realize that the flat lamp Rimless shows, make its light-emitting area maximization; Simultaneously, effectively reduce volume and the thickness of flat lamp; Save cost of manufacture, improved production efficiency.
2, the present invention adopts the LGP bottom face to lay the design of site, utilizes the irreflexive principle of matsurface, the total reflection light of injecting in the LGP can be adjusted into diffuse light; The diffuse light that will enter each site by reflector plate reflects the exiting surface of LGP; The layout of this site can effectively reduce the luminance difference of LGP light in part and exiting surface, the brightness of whole raising exiting surface; Improved the quality of LED flat lamp.
3, the present invention adopts the design of heat-conducting glue, can effectively solve the heat dissipation problem of LED lamp, and the heat that the LED lamp is produced is transmitted on the backboard by heat-conducting glue, and by backboard heat is passed out outside the flat lamp; Improve the total quality of highlighted LED flat lamp, prolonged service life.
4, the present invention adopts the design of diffusion sheet, can do further to adjust to light, makes the light of exiting surface more even, has further improved the luminous mass of highlighted LED flat lamp.
5, adopt the design of two backboards among the present invention, utilize pressing plate on each backboard with described reflector plate and the pressing of LGP bottom face; Can effectively save material, reduce backboard weight, reduce the pressing plate area coverage, thereby reduce the weight of LED surface plate, reduce the integral thickness of LED surface plate, make it more attractive in appearance, generous, also play simultaneously the effect that saves production cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation (cutaway view) of the embodiment of the invention one;
Fig. 2 is the structural representation (upward view) of LGP in the embodiment of the invention one;
Fig. 3 is the structural representation (left view) of the embodiment of the invention one dorsulum;
Fig. 4 is the structural representation (cutaway view) of the embodiment of the invention two;
Fig. 5 is the structural representation (upward view) of LGP in the embodiment of the invention two;
Fig. 6 is the structural representation (cutaway view) of the embodiment of the invention three;
Fig. 7 is the structural representation (upward view) of LGP in the embodiment of the invention three;
Fig. 8 is the structural representation (cutaway view) of the embodiment of the invention four;
Fig. 9 is the structural representation (upward view) of the embodiment of the invention four.
The specific embodiment
Embodiment one:
Referring to Fig. 1, Fig. 2, shown in Figure 3, a kind of highlighted LED flat lamp in the present embodiment, this flat lamp comprises a LGP 1, and this LGP is provided with a draw-in groove 2, is provided with LED lamp bar 3 in this draw-in groove, and described LGP lower end is provided with reflector plate 4; The bayonet socket of described draw-in groove is opened in the left hand edge of LGP bottom face, and draw-in groove vertically downward; Described LGP bottom face is laid site 5; Described site evenly distributes, its shape can be circle, V-arrangement, rectangle, polygon etc., this site is designed according to optical principle, site described in the present embodiment is the crisscross formed V-arrangement of rectangular array site, the equal in length of described rectangular array longitudinal length and LGP, this rectangular array lateral length equates that with the width of LGP the size of described rectangular array and site spacing can be regulated according to LED arrangement pitches and required brightness.The present invention adopts the LGP bottom face to lay the design of site, utilizes the irreflexive principle of matsurface, the total reflection light of injecting in the LGP can be adjusted into diffuse light; The diffuse light that will enter each site by reflector plate reflects the exiting surface of LGP; The layout of this site can effectively reduce the luminance difference of LGP light in part and exiting surface, the brightness of whole raising exiting surface; Improved the quality of LED flat lamp.
Be provided with a backboard 6 in described reflector plate bottom in the present embodiment, described LED lamp bar clamps by backboard and described draw-in groove; The section of backboard described in the present embodiment is
Shape arranges; The lamp of LED described in present embodiment bar comprises a plurality of tactic LED lamps 7 and is connected on divider resistance 8 between each LED lamp, this LED lamp bar external connection constant voltage power supply (belong to prior art, show among the figure); Described divider resistance can realize bearing to LED lamp series circuit the function of dividing potential drop and constant voltage driving.Backboard described in the present embodiment comprises clamp 9 and pressing plate 10; Mounted LED lamp bar on the described clamp, described pressing plate are arranged on described reflecting plate bottom; Described clamp and described draw-in groove are interference fit and clamp; The base of described clamp and the left side of described pressing plate are vertical setting; The corresponding setting with the bottom surface of described reflector plate of described pressing plate, and the width of pressing plate and described reflector plate width adapt; The width of draw-in groove described in the present embodiment is not less than the width of LED lamp bar, and the width of described clamp equals the width of draw-in groove; The material selection of backboard described in the present embodiment has the excellent heat dispersion performance material to be made, such as metal aluminum sheet etc.; The present invention adopts the design that LED lamp bar is set in draw-in groove, can save external frame, directly places LED lamp bar in the LGP; Thereby realize that the flat lamp Rimless shows, make its light-emitting area maximization; Simultaneously, effectively reduce volume and the thickness of flat lamp; Save cost of manufacture, improved production efficiency.
The upper end of LGP described in the present embodiment is provided with diffusion sheet 11.Four limits of described diffusion sheet and the exiting surface of described LGP are pasted.The present invention adopts the design of diffusion sheet, can do further to adjust to light, makes the light of exiting surface more even, has further improved the luminous mass of highlighted LED flat lamp.
The lamp of LED described in present embodiment bar is bonding by heat-conducting glue and described clamp; Described heat-conducting glue adopts heat conductive silicon grease material to make.The present invention adopts the heat-conducting glue design of (belong to prior art, do not show among the figure), can effectively solve the heat dissipation problem of LED lamp, and the heat that the LED lamp is produced is transmitted on the backboard by heat-conducting glue, and by backboard heat is passed out outside the flat lamp; Improve the total quality of highlighted LED flat lamp, prolonged service life.
LGP described in the present embodiment adopts the good plastics of translucidus such as PETG (PET), Merlon (PC), polymethyl methacrylate (PMMA), polyether-ether-ketone (PEEK), PEN (PEN), poly-succinic ethene (PES), polypropylene oxide (PPO) to make, preferred polymethyl methacrylate in the present embodiment.
Embodiment two:
Highlighted LED flat lamp in the present embodiment is the improvement on embodiment one basis, and disclosed technology contents is not repeated in this description among the embodiment one, and embodiment one disclosed content also belongs to the disclosed content of present embodiment.
Referring to Fig. 4, shown in Figure 5, more firm for what described backboard and LGP were installed in the present embodiment, can be provided with two draw-in grooves 101 at described LGP, the bayonet socket of described two draw-in grooves divides left hand edge and the right hand edge that is located at the LGP bottom face, and draw-in groove all vertically downward; Each vertically is provided with a clamp 102 at the left and right two ends of described pressing plate, and described LED lamp bar is installed on the right side wall of left side clamp; Described two clamps clamp with two draw-in grooves are corresponding; Thereby the two ends of backboard are connected and fixed by clamp and described LGP; The section of backboard described in the present embodiment is
Shape arranges; Make the structure of LED flat lamp more firm; Simultaneously, can make the more closely pressing of bottom face of reflector plate and LGP, reflector plate is fully contacted with the site that is arranged on the LGP bottom, but the reflectivity of Effective Raise reflector plate.
Embodiment three:
Highlighted LED flat lamp in the present embodiment is the improvement on embodiment one basis, and disclosed technology contents is not repeated in this description among the embodiment one, and embodiment one disclosed content also belongs to the disclosed content of present embodiment.
Referring to Fig. 6, shown in Figure 7, the section of backboard described in the present embodiment is
Shape arranges; Brightness for integral body improves flat lamp is provided with two draw-in grooves at described LGP in the present embodiment; Respectively be provided with a clamp at described pressing plate two ends, LED lamp bar 201 all is installed on described two clamps; Adopt parallel way to connect in the present embodiment between the two LED lamp bars; For the convenient electric wire that is used for two LED lamp bars in parallel of placing, can offer trough 202 in LGP bottom face edge; Electric wire is put into wherein; These trough two ends are communicated with two draw-in grooves 203 respectively; Present embodiment adopts the design of trough, can make LED flat lamp integral body more attractive in appearance, succinct.
Embodiment four:
Highlighted LED flat lamp in the present embodiment is the improvement on embodiment one basis, and disclosed technology contents is not repeated in this description among the embodiment one, and embodiment one disclosed content also belongs to the disclosed content of present embodiment.
Referring to Fig. 8, shown in Figure 9, LGP described in the present embodiment is provided with two draw-in grooves, described reflector plate bottom correspondence is provided with two backboards, the pressing plate of described two backboards respectively with the corresponding setting in the bottom surface at the left and right two ends of described reflector plate, the clamp of described two backboards clamps with two draw-in grooves are corresponding; The section Cheng ∟ shape of backboard described in the present embodiment arranges; The bayonet socket of described two draw-in grooves divides left hand edge and the right hand edge that is located at the LGP bottom face, and draw-in groove all vertically downward; Be equipped with LED lamp bar in described two draw-in grooves, the described LED lamp bar of left side draw-in groove that is positioned at is by a left backboard and corresponding the clamping of described left side draw-in groove; The described LED lamp bar of right side draw-in groove that is positioned at is by a right backboard and corresponding the clamping of described right side draw-in groove; Left backboard described in the present embodiment comprises left clamp 301 and left pressing plate 302, and the described LED lamp bar that is positioned at the left side draw-in groove sticks on the right side wall of described left clamp by heat-conducting glue; Described right backboard comprises right clamp 303 and right pressing plate 304, and the described LED lamp bar that is positioned at the right side draw-in groove sticks on the left side wall of described right clamp by heat-conducting glue; Left clamp correspondence described in the present embodiment is installed in the draw-in groove of left side, and described right clamp correspondence is installed in the draw-in groove of right side; The base of described left clamp and the left side of described left pressing plate are vertical setting, and the base of described right clamp and the right of described right pressing plate are vertical setting; Described left pressing plate and the corresponding setting in described reflector plate left end bottom surface, described right pressing plate and the corresponding setting in described reflector plate right-hand member bottom surface, the LED flat lamp of present embodiment by left pressing plate and right pressing plate with described reflector plate and the pressing of LGP bottom face.Adopt the design of two backboards in the present embodiment, utilize pressing plate on each backboard with described reflector plate and the pressing of LGP bottom face; Can effectively save material, reduce backboard weight, reduce the pressing plate area coverage, thereby reduce the weight of LED surface plate, reduce the integral thickness of LED surface plate, make it more attractive in appearance, generous, also play simultaneously the effect that saves production cost.
Referring to shown in Figure 7, adopt parallel way to connect in the present embodiment between the two LED lamp bars; For the convenient electric wire that is used for two LED lamp bars in parallel of placing, can offer trough in LGP bottom face edge; Electric wire is put into wherein; These trough two ends are communicated with two draw-in grooves respectively.
Claims (10)
1. highlighted LED flat lamp, it is characterized in that: this flat lamp comprises a LGP, and this LGP is provided with draw-in groove, is provided with LED lamp bar in this draw-in groove, described LGP lower end is provided with reflector plate.
2. highlighted LED flat lamp according to claim 1 is characterized in that: described LGP bottom face laying site.
3. highlighted LED flat lamp according to claim 2, it is characterized in that: described reflector plate bottom is provided with backboard.
4. highlighted LED flat lamp according to claim 3, it is characterized in that: described backboard comprises clamp and pressing plate; Mounted LED lamp bar on the described clamp, described pressing plate are arranged on described reflecting plate bottom; Described LED lamp bar clamps by clamp and described draw-in groove.
5. highlighted LED flat lamp according to claim 4, it is characterized in that: described LGP is provided with diffusion sheet.
6. highlighted LED flat lamp according to claim 5 is characterized in that: described LED lamp bar comprises a plurality of tactic LED lamps and is connected on divider resistance between each LED lamp.
7. highlighted LED flat lamp according to claim 6, it is characterized in that: described LED lamp bar is bonding by heat-conducting glue and described clamp.
8. highlighted LED flat lamp according to claim 7, it is characterized in that: the width of described draw-in groove is not less than the width of LED lamp bar, and the width of described clamp equals the width of draw-in groove.
9. one of them described highlighted LED flat lamp is characterized in that: be provided with two draw-in grooves at described LGP according to claim 4-8; Respectively be provided with a clamp at described pressing plate two ends, described two clamps clamp with two draw-in grooves are corresponding.
10. one of them described highlighted LED flat lamp according to claim 4-8, it is characterized in that: described LGP is provided with two draw-in grooves, and described reflector plate bottom correspondence is provided with two backboards, and the clamp of described two backboards clamps with two draw-in grooves are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103928569A CN102878465A (en) | 2012-10-16 | 2012-10-16 | High-brightness light-emitting diode (LED) panel lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103928569A CN102878465A (en) | 2012-10-16 | 2012-10-16 | High-brightness light-emitting diode (LED) panel lamp |
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| CN102878465A true CN102878465A (en) | 2013-01-16 |
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| CN2012103928569A Pending CN102878465A (en) | 2012-10-16 | 2012-10-16 | High-brightness light-emitting diode (LED) panel lamp |
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Cited By (3)
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| CN106534738A (en) * | 2016-12-07 | 2017-03-22 | 广东长虹电子有限公司 | Backlight module and TV set |
| CN106895273A (en) * | 2017-02-14 | 2017-06-27 | 安徽朗硕电子科技有限公司 | A kind of Rimless LED flat lamp |
| CN112728431A (en) * | 2020-12-31 | 2021-04-30 | 苏州莱科光学科技有限公司 | Flat lamp and preparation method thereof |
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Application publication date: 20130116 |