CN202140812U - Light-emitting diode (LED) plate lamp with face light source serving as light source - Google Patents
Light-emitting diode (LED) plate lamp with face light source serving as light source Download PDFInfo
- Publication number
- CN202140812U CN202140812U CN201020656704U CN201020656704U CN202140812U CN 202140812 U CN202140812 U CN 202140812U CN 201020656704 U CN201020656704 U CN 201020656704U CN 201020656704 U CN201020656704 U CN 201020656704U CN 202140812 U CN202140812 U CN 202140812U
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- Prior art keywords
- led
- light
- lamp
- light source
- plate
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- 239000012528 membrane Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000004411 aluminium Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000004020 luminiscence type Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010147 laser engraving Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
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- 238000005507 spraying Methods 0.000 description 2
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- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a light-emitting diode (LED) plate lamp with a face light source serving as a light source. LED soft light plate lamps existing on the market all use LED patch lamp strips as light sources, and soft light plate lamps using the LED face light sources as lateral light sources do not exist yet. The LED plate lamp utilizes an LED face light source lamp strip as the light source and adheres the LED face light source lamp strip on the periphery of a light guiding plate, and the end faces of the light guiding plate are polished. A light reflecting membrane or a light reflecting plate is adhered onto the back face of the light guiding plate, and a light diffusing membrane or a light diffusing plate is adhered onto the front face of the light guiding plate. The LED plate lamp is further provided with a frame and a radiating metal back plate. When an LED is powered on and emits light, the LED plate lamp is bright, uniform and soft in lighting and saves energy.
Description
Technical field
The utility model relates to a kind of area source and belongs to LED sheen plate lighting and the display lamp technical field of LED area source lamp bar as LGP side end face light source as the LED flat lamp of light source.
Background technology
The LED area source was used widely in LED Down lamp, LED bulb over the past two years, advantage be luminous evenly, brightness is higher, but in the LED flat lamp, also be not applied.
Summary of the invention
The utility model relates to the LED flat lamp of a kind of area source as light source, adopts the blank of LED area source exactly for the light source of filling up LED sheen flat lamp, and advantage is to make that the brightness of LED sheen flat lamp is higher, and luminous more even, more energy-conservation, light efficiency is better.
The basic structure of the utility model:
End face polishing around the LGP that light-emitting substrate adopts transparent acrylic board to make, LGP, LED area source lamp bar is attached at four end faces that the leaded light utmost point polishes as light source, and the LED light-emitting area is over against the LGP end face; The ink silk screen printing site is used at the LGP back side; The back attaches reflective membrane, and the LGP front surface attaches light and strengthens diffusion barrier or light diffusing sheet, can not use up the diffusion reinforcing membrane with light diffusing sheet; As use up diffusion reinforcing membrane and do not add light diffusing sheet, the surface also needs transparent protection plate.The reflective membrane back side adds the heat radiating metal backboard; Metal edge frame with heat radiation fastens backboard, reflective membrane, LGP, light diffusion reinforcement plate and LED area source lamp bar.
When LED lamp bar electrified light emitting; Complicated optical transmission principles such as the light that LED the sends light reflection that process is complicated in LGP, anaclasis, optical diffraction; Then be that the flat lamp surface is sent evenly, become clear, soft light, form LED sheen plate lighting and the display lamp of LED area source lamp bar as light source on the light diffusing sheet surface.
The making of LED area source lamp bar:
, make and be applicable to that the circuit production of LED light-emitting section goes out to weld the circuit of led chip through printed circuit board technology on the aluminium base surface, be convenient to heat radiation because of aluminium base and reach and the frame fixed installation, use soft aluminium base when making the garden flat lamp.For the LED flat lamp is luminous evenly, brightness high, luminous soft, the life-span is long, according to the selected driving voltage of unit lamp bar, some parallel connections of employing led chip; Form the unit group, the mode that some afterwards light-emitting sections unit group is connected again, benefit are to burn out if any 1,2 led chip in one group of unit group; Electric current can be distributed in some other parallelly connected chips; How many electric currents each chip is not increased, can not influence the life-span of whole lamp bar, particularly switch voltage-stabilizing stabilized current supply; Promptly guarantee the brightness of LED, guarantee that again the long-life promptly reduces light decay.The luminescent powder thin layer that the chip surface that welds evenly emits white light in the spraying is coated with transparent protective film above again or with the transparent dielectric film sealing that coats luminescent powder, and the chip and the luminescent powder that guarantee light-emitting section seal has good transparency again.
The rare close main luminous intensity of led chip by required LED flat lamp, optical uniformity, aluminium base circuit board and flat lamp heat radiating metal backboard are considered the heat radiation comprehensive Design of led chip.In order to make the led chip good heat dissipation, flat lamp heat radiating metal backboard must be integral to cooperate and install or be integral with the heat-conducting glue applying with LED flat lamp metal edge frame.
The LGP substrate adopts transparent acrylic board, and the site of acrylic transparent panel silk-screen will be selected for use and the good printing ink of the sticking clothes of acrylic, the design of site to guarantee flat lamp high brightness, luminous evenly.End face of LGP or two end faces or four end faces attach light-emitting section, and the end face that does not attach light-emitting section attaches reflective membrane, and the screen print lattice-point design at the LGP back side is different.Printing ink is selected environmental protection for use.
The good effect of the utility model: energy-saving and environmental protection, luminosity height, luminous even, luminous soft, LED sheen flat lamp of the present invention are applicable to that more room lighting and indoor and outdoor show.
Area source is as the LED flat lamp basic structure of light source:
Among Fig. 1:
1, is the flat lamp light diffusing sheet;
2, for carrying on the back the transparent acrylic LGP of surperficial ink for screen printing site;
3, be reflective membrane;
4, be the heat radiating metal backboard;
5, LED area source lamp bar;
6, frame.
Fig. 2 is the three-dimensional overlaying structure of the signal of LED flat lamp;
Fig. 3 is an aluminium base surface source luminescence bar schematic construction;
51 is aluminium base;
52 are welded in the area source on the printed circuit board (PCB) for chip;
53 is the positive electroplax of lamp bar;
54 is lamp bar negative electricity plate;
Fig. 4 is personalized illumination and demonstration schematic construction;
26 is LGP;
81 is numeral;
82 is literal;
83 is figure.
The effect of reflective membrane is for losing light less at the LGP back side, promptly LGP to the light at the back side again the backspace LGP pass on the light diffusion reinforcement plate 1, form uniform surface light source to light at light diffusing sheet 1 front surface fully again.
The effect of heat radiating metal backboard 4 is mainly and makes backboard 4 and frame 6 be integrally formed heat radiation and fixation as LED light-emitting section 5.
The aluminium alloy drawing and forming that frame 6 usefulness heat conduction are good fixedly secures light diffusing sheet 1, LGP 2, reflective membrane 3, heat radiating metal backboard 4, lamp bar 5, forms complete whole LED plate lighting and display lamp.
External voltage stabilization and current stabilization Switching Power Supply.
The structure of LED area source is directly to be welded in led chip on the printed circuit board (PCB); Adhere to afterwards on the aluminium base of good heat radiating and draw the power supply positive and negative electrode, to the white light that is fit to illumination be on blue streak spectrum luminescence chip surface evenly the spraying luminescent powder again with transparent dielectric film protection chip and luminescent powder.This technology is ripe at present, and printed circuit board (PCB) will firmly be attached on the aluminium base with the glue of aluminium base with heat-resisting and good heat dissipation, solder joint and cabling must with the aluminium base electric insulation.
Description of drawings
Fig. 1 is the front schematic view of LED flat lamp;
Fig. 2 is the solid stack sketch map of LED flat lamp;
Fig. 3 is an aluminium base surface source luminescence bar;
Fig. 4 is personalized illumination and demonstration.
The specific embodiment
The thickness of choosing transparent acrylic board according to lamp bar width shears transparent acrylic board, and transparent acrylic board four end faces polishing is in the site of surperficial silk-screen of acrylic board or laser engraving needs; And perform LGP acrylic board site, and the site face attaches reflective membrane, and the LGP front surface tightly attaches light diffusion reinforcement plate; Attach the frame inner face to the led chip area source bar that performs in advance; The LED light-emitting area faces the end face of four end face leaded lights, connects power supply lead wire, and the reflective membrane back tightly attaches the heat radiating metal backboard; Fix heat radiating metal backboard, led chip surface source luminescence bar, reflective membrane, LGP, light diffusion reinforcement plate with frame, draw power supply lead wire.
Power supply adopts pressure-stabilizing constant flow Switching Power Supply external or that frame is built-in, adopts the direct current safety power supply of international 12V~36V, and electric current is according to the current design under the light-emitting section.
LGP also can be made with the way that injection moulding is pressed; The LGP front surface spreads also available light diffusion reinforcing membrane of reinforcement plate as not using up, but this moment, upper surface necessarily tightly attached the optical transparency plate.
LGP is that single end face or Double End or four end faces are penetrated light, and then will there be different designs ink silk screen printing site and laser engraving site; As under water or the big environment of damp vapour use the LGP of the most handy laser engraving of light guide plate mesh point or frosted or injection moulding down.
Do personalized illumination and demonstration; The acrylic board back side need not make the site; Then need to make literal, numeral, figure on transparent acrylic backboard surface with anti-graphics, these literal, each stroke of numeral and figure are luminous when the LED electrified light emitting, form personalized illumination and demonstration; Each stroke of numeral and literal is looked same little lamp luminescence, figure forms the face light emitting source, has the personal needs that distinct personalization is more suitable for people.Personalized literal, numeral and figure can be made with silk-screen and laser frosting technology.This technology needn't be used light diffusing sheet.
Except that white light, adopt the led chip face light-emitting section of other spectrum, be used for showing more; Adopt the three-color light-emitting bar, can show literal, numeral, the figure of multiple color.
The lamp bar that LED area source lamp bar clocklike welds with the close assembly of LED paster substitutes, and can realize LED sheen flat head lamp equally, and just light efficiency is not as LED area source lamp bar.
Claims (4)
1. an area source is as the LED flat lamp of light source; It is characterized in that: total is the flat illuminating lamp of LED; The LGP that light-emitting substrate adopts transparent acrylic board to make; The polishing of LGP four end faces, LED area source lamp bar attaches four end faces that LGP polishes as light source, and the LED light-emitting area is over against the LGP end face; The LGP back side is silk-screen or laser frosted or injection moulding site, and the back attaches reflective membrane, and the LGP front surface attaches light diffusion reinforcing membrane or light diffusion reinforcement plate, need attach transparent protection plate above; The reflective membrane back side adds the heat radiating metal backboard; Metal edge frame with heat radiation fastens metal backing, reflective membrane, LGP, light diffusion reinforcement plate and LED area source bar.
2. area source as claimed in claim 1 is as the LED flat lamp of light source, it is characterized in that at the transparent acrylic back side with ink silk screen printing or pays tarry matter sand or Shooting Technique is made required literal, numeral, figure.
3. area source as claimed in claim 1 is characterized in that LED area source lamp strip adoption three primary colours chip as the LED flat lamp of light source, and the LED energising can change the glow color of flat lamp by rule.
4. area source as claimed in claim 1 is characterized in that as the LED flat lamp of light source the lamp bar that LED area source lamp bar clocklike welds with the close assembly of LED paster substitutes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020656704U CN202140812U (en) | 2010-12-13 | 2010-12-13 | Light-emitting diode (LED) plate lamp with face light source serving as light source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020656704U CN202140812U (en) | 2010-12-13 | 2010-12-13 | Light-emitting diode (LED) plate lamp with face light source serving as light source |
Publications (1)
Publication Number | Publication Date |
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CN202140812U true CN202140812U (en) | 2012-02-08 |
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CN201020656704U Expired - Fee Related CN202140812U (en) | 2010-12-13 | 2010-12-13 | Light-emitting diode (LED) plate lamp with face light source serving as light source |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121585A (en) * | 2010-12-13 | 2011-07-13 | 张丽红 | LED soft light flat-panel illuminating and displaying lamp taking LED area light source light bar as light source |
CN103218954A (en) * | 2013-04-07 | 2013-07-24 | 江苏子扬交通科技有限公司 | LED (light-emitting diode) area array light emitting static information display device |
CN104329600A (en) * | 2014-10-20 | 2015-02-04 | 无锡市博视照明电子有限公司 | LED (Light-emitting Diode) built-in side light-emitting lamp and lighting method thereof |
CN106523998A (en) * | 2016-12-21 | 2017-03-22 | 中山市弘程光电工程有限公司 | Planar landscape lamp |
CN108904997A (en) * | 2018-09-17 | 2018-11-30 | 深圳市名家汇科技股份有限公司 | A kind of physical therapy stool device |
-
2010
- 2010-12-13 CN CN201020656704U patent/CN202140812U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121585A (en) * | 2010-12-13 | 2011-07-13 | 张丽红 | LED soft light flat-panel illuminating and displaying lamp taking LED area light source light bar as light source |
CN103218954A (en) * | 2013-04-07 | 2013-07-24 | 江苏子扬交通科技有限公司 | LED (light-emitting diode) area array light emitting static information display device |
CN104329600A (en) * | 2014-10-20 | 2015-02-04 | 无锡市博视照明电子有限公司 | LED (Light-emitting Diode) built-in side light-emitting lamp and lighting method thereof |
CN106523998A (en) * | 2016-12-21 | 2017-03-22 | 中山市弘程光电工程有限公司 | Planar landscape lamp |
CN108904997A (en) * | 2018-09-17 | 2018-11-30 | 深圳市名家汇科技股份有限公司 | A kind of physical therapy stool device |
CN108904997B (en) * | 2018-09-17 | 2024-06-18 | 深圳市名家汇科技股份有限公司 | Physiotherapy stool device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161011 Address after: 518100 Xinghe building, Central Road, manhole street, Baoan District, Guangdong, Shenzhen 613A Patentee after: Shenzhen Light Technology Co., Ltd. Address before: 518067, No. 6, No. 401, 62 flower road, Shekou, Guangdong, Shenzhen, Nanshan District Patentee before: Zhang Lihong |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20181213 |