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 PDF

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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
Authority
CN
China
Prior art keywords
led
light
lamp
light source
plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201020656704U
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Chinese (zh)
Inventor
杨忠义
张丽红
金子荔
张杨敬
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Shenzhen Light Technology Co Ltd
Original Assignee
张丽红
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201020656704U priority Critical patent/CN202140812U/en
Application granted granted Critical
Publication of CN202140812U publication Critical patent/CN202140812U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Illuminated Signs And Luminous Advertising (AREA)
  • 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

Area source is as the LED flat lamp of light source
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.
Lamp bar 5 is attached at frame groove inner close fitting and invests inboard, frame end limit; The LED light-emitting area of lamp bar 5 tightly invests four end polished end faces of LGP 2 again; Be convenient to the light that LED sends and inject in the LGP, form uniform surface light source to the light of LED bar shaped area source on light diffusing sheet 1 surface from end face.
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.
CN201020656704U 2010-12-13 2010-12-13 Light-emitting diode (LED) plate lamp with face light source serving as light source Expired - Fee Related CN202140812U (en)

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
CN202140812U true CN202140812U (en) 2012-02-08

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Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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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