CN202221002U - LED light emitting plate - Google Patents
LED light emitting plate Download PDFInfo
- Publication number
- CN202221002U CN202221002U CN2011203413309U CN201120341330U CN202221002U CN 202221002 U CN202221002 U CN 202221002U CN 2011203413309 U CN2011203413309 U CN 2011203413309U CN 201120341330 U CN201120341330 U CN 201120341330U CN 202221002 U CN202221002 U CN 202221002U
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- plate
- lgp
- led lamp
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a light emitting plate, concretely to an LED light emitting plate, characterized in that: the LED light emitting plate comprises a frame, LED light strips, a light guide plate, a back cover plate and a driving power source, wherein the front surface of the light guide plate is upward and embedded into the frame, the back cover plate is in crimp-connection fit with the light guide plate and connected with the frame by a fixed screw; a rectangular groove is arranged on a connection position between the frame and the side surface of the light guide plate, the LED light strips are embedded into the rectangular groove of the frame; the driving power source is fixed on the back of the back cover plate. The LED light emitting plate has the following beneficial effects: the light guide plate is formed by combining a transparent glass plate collated with a reflective film on the back and a light diffusion plate, the multi-times reflection, refraction and dispersion of the incident light is completed among layers, thus the uniform lighting is realized; the LED light strips are cooperated with the transparent glass plate and aligned with the horizontal center of the side surface of the transparent glass plate, therefore the light enters into the transparent glass plate as much as possible.
Description
Technical field
The utility model relates to a kind of luminous plaque, is specially a kind of LED luminous plaque.
Background technology
In recent years; Because led light source has the brightness height, operating voltage is low, power consumption is little, miniaturization, easy of integrationization, the life-span is long, shock-resistant and steady performance; Be widely used in fields such as demonstration, backlight, sign and indication, indoor and outdoor lighting, receive extensive attention and developed rapidly.But because the influence of packaging technology difference, the large-scale application of LED luminescent panel still receives the restriction of problems such as light distribution is inhomogeneous, light extraction efficiency is low, heat dispersion difference.
The LED luminous plaque of conventional package explained hereafter; Usually directly be welded on metal substrate on by the density requirement LED lamp pearl or luminescence chip; In its front the printing opacity flat board being installed then processes; But the illumination uniformity of this luminous plaque structure is poor, and safeguards or to change light source comparatively complicated, thereby causes its making and maintenance cost to improve.
The utility model content
To the problem that exists in the prior art, the purpose of the utility model be to provide a kind of luminous evenly, heat radiation is good, cost of manufacture is low, the technical scheme of the LED luminous plaque being convenient to safeguard.
Described a kind of LED luminous plaque; It is characterized in that comprising framework, LED lamp bar, LGP, back shroud and driving power; Described LGP faces up and is embedded in the framework, back shroud and LGP press fit, and back shroud links to each other with framework through fixed screw; The junction of described framework and LGP side is provided with rectangular recess, and described LED lamp bar interlocking is arranged in the rectangular recess of framework; Described driving power is fixed on the back shroud back side.
Described a kind of LED luminous plaque is characterized in that described LED lamp bar by adopting uniformly-spaced the single LED lamp pearl that is welded on the aluminum base PCB plate of parallel-serial to form, and described aluminum base PCB plate is arranged in the rectangular recess, and closely contacts with framework through heat conductive silica gel.
Described a kind of LED luminous plaque is characterized in that described LED lamp pearl is TOP type LED, SMD type LED or great power LED.
Described a kind of LED luminous plaque is characterized in that described LGP is formed with light diffusing sheet optics gummed by the transparency glass plate of back side plating reflective membrane, and is the black shading rubber belt of 5-10 millimeter at the junction of front edge and framework stickup one deck width.
Described a kind of LED luminous plaque is characterized in that described framework and back shroud are the aluminum or aluminum alloy material, and the framework front is made as the roughness structure.
The beneficial effect of the utility model is: LGP is that transparency glass plate, the light diffusing sheet by back side plating reflective membrane combines, and can between each layer, accomplish repeatedly reflection, refraction and the scattering of incident light, realizes evenly throwing light on; LED lamp bar and transparency glass plate are equipped with, and with LED lamp bar and the alignment of transparency glass plate side horizontal center, make in the light entering transparency glass plate as much as possible; The reflective membrane at the transparency glass plate back side reflexes to the front with the light of backscattering and is utilized effectively; Light diffusing sheet is dispersed evenly emergent light; Framework and back shroud are the good metal materials such as aluminum or aluminum alloy of heat conduction, and the framework front is designed to the roughness structure, has good performance of heat dissipation, can effectively reduce the LED junction temperature; LED lamp bar, LGP, heat-dissipating casing, driving power modularized design can reduce cost of manufacture, are convenient to safeguard.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: 1-framework, 2-aluminum base PCB plate, 3-LGP, 4-back shroud, 5-driving power, 11-rectangular recess, 21-LED lamp pearl, 31-reflective membrane, 32-transparency glass plate, 33-light diffusing sheet.
The specific embodiment
Below in conjunction with Figure of description the utility model is further specified:
A kind of LED luminous plaque comprises framework 1, LED lamp bar, LGP 3, back shroud 4 and driving power 5, and described LGP 3 faces up and is embedded in the framework 1, back shroud 4 and LGP 3 press fit, and back shroud 4 links to each other with framework 1 through fixed screw; Framework 1 is provided with rectangular recess 11 with the junction of LGP 3 sides, and the width and the degree of depth of rectangular recess 11 are 5mm; The interlocking of LED lamp bar is arranged in the rectangular recess 11 of framework 1, and driving power 5 is fixed on back shroud 4 back sides.
LED lamp strip adoption uniformly-spaced single TOP type LED, SMD type LED or the large-power LED light bead 21 that is welded on the aluminum base PCB plate 2 of parallel-serial is formed; In the present embodiment, LED lamp bar is selected 112 TOP3528 type white LED lamp pearls 21 for use, and uniformly-spaced parallel-serial is single is welded on the aluminum base PCB plate 2; Spacing is 1.5mm; Lighted luminously by driving power 5, aluminum base PCB plate 2 is arranged in the rectangular recess 11, and closely contacts with framework 1 through heat conductive silica gel.
LGP 3 is formed with light diffusing sheet 33 optics gummed by the transparency glass plate 32 of back side plating reflective membrane 31; In the present embodiment; It is the transparent plexiglass plate of 6.7mm that transparency glass plate 32 is selected thickness for use; And to paste one deck width in the junction of front edge and framework 1 be the black shading rubber belt 34 of 5-10 millimeter; Here select 9 millimeters black shading rubber belt for use, make the light that gets into from the side in the LGP 3 repeatedly reflect between reflective membrane 31, transparency glass plate 32 and the light diffusing sheet 33, form uniform diffused light after the refraction, scattering, and then send from the LGP front.Wherein, LGP 3 is of a size of (length) 57.3 cm * 57.3cm * 9mm, and wherein, reflective membrane 31 is thick to be 0.3mm, and transparency glass plate 32 is thick to be 6.7mm, and light diffusing sheet 33 is thick to be 2mm.
Operation principle: LED lamp bar sends white light under the driving of driving power 5; Get into the LGP 3 from the sidewall of transparency glass plate 32; In the even diffusion of repeatedly reflecting, form after the refraction, scattering light between reflexed light film 31, transparency glass plate 32 and the light diffusing sheet 33, send from LGP 3 fronts.
The utility model can be widely used in fields such as demonstration, rear-projection illumination, sign and indication, indoor and outdoor lighting, have illumination evenly, the light utilization ratio is high, be convenient to advantage such as maintenance.
Claims (5)
1. a LED luminous plaque is characterized in that comprising framework, LED lamp bar, LGP, back shroud and driving power, and described LGP faces up and is embedded in the framework, back shroud and LGP press fit, and back shroud links to each other with framework through fixed screw; The junction of described framework and LGP side is provided with rectangular recess, and described LED lamp bar interlocking is arranged in the rectangular recess of framework; Described driving power is fixed on the back shroud back side.
2. a kind of LED luminous plaque according to claim 1; It is characterized in that described LED lamp bar is by adopting uniformly-spaced the single LED lamp pearl that is welded on the aluminum base PCB plate of parallel-serial to form; Described aluminum base PCB plate is arranged in the rectangular recess, and closely contacts with framework through heat conductive silica gel.
3. a kind of LED luminous plaque according to claim 2 is characterized in that described LED lamp pearl is TOP type LED, SMD type LED or great power LED.
4. a kind of LED luminous plaque according to claim 1; It is characterized in that described LGP is formed with light diffusing sheet optics gummed by the transparency glass plate of back side plating reflective membrane, and be the black shading rubber belt of 5-10 millimeter at the junction of front edge and framework stickup one deck width.
5. a kind of LED luminous plaque according to claim 1 is characterized in that described framework and back shroud are the aluminum or aluminum alloy material, and the framework front is made as the roughness structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203413309U CN202221002U (en) | 2011-09-13 | 2011-09-13 | LED light emitting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203413309U CN202221002U (en) | 2011-09-13 | 2011-09-13 | LED light emitting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221002U true CN202221002U (en) | 2012-05-16 |
Family
ID=46043028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203413309U Expired - Fee Related CN202221002U (en) | 2011-09-13 | 2011-09-13 | LED light emitting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221002U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980059A (en) * | 2012-08-15 | 2013-03-20 | 浙江朗同照明有限公司 | Flat flat-panel light |
| CN103091739A (en) * | 2012-12-20 | 2013-05-08 | 深圳市华星光电技术有限公司 | Optical membrane layer, backlight module and display device |
| CN105090882A (en) * | 2015-08-21 | 2015-11-25 | 东莞市鹏起塑胶有限公司 | Lamp hood plate |
| CN108020884A (en) * | 2018-01-18 | 2018-05-11 | 合肥泰沃达智能装备有限公司 | A kind of novel glass light guide plate and preparation method thereof |
-
2011
- 2011-09-13 CN CN2011203413309U patent/CN202221002U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980059A (en) * | 2012-08-15 | 2013-03-20 | 浙江朗同照明有限公司 | Flat flat-panel light |
| CN103091739A (en) * | 2012-12-20 | 2013-05-08 | 深圳市华星光电技术有限公司 | Optical membrane layer, backlight module and display device |
| CN105090882A (en) * | 2015-08-21 | 2015-11-25 | 东莞市鹏起塑胶有限公司 | Lamp hood plate |
| CN108020884A (en) * | 2018-01-18 | 2018-05-11 | 合肥泰沃达智能装备有限公司 | A kind of novel glass light guide plate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20160913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |