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WO2012037776A1 - Ampoule de plaque guide de lumière à del et procédé de fabrication de celle-ci - Google Patents

Ampoule de plaque guide de lumière à del et procédé de fabrication de celle-ci Download PDF

Info

Publication number
WO2012037776A1
WO2012037776A1 PCT/CN2011/001435 CN2011001435W WO2012037776A1 WO 2012037776 A1 WO2012037776 A1 WO 2012037776A1 CN 2011001435 W CN2011001435 W CN 2011001435W WO 2012037776 A1 WO2012037776 A1 WO 2012037776A1
Authority
WO
WIPO (PCT)
Prior art keywords
light guide
guide plate
led light
led
bulb
Prior art date
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.)
Ceased
Application number
PCT/CN2011/001435
Other languages
English (en)
Chinese (zh)
Inventor
刘锡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN ONWING OPTOELETRONICS PRODUCTS CO Ltd
Original Assignee
SHENZHEN ONWING OPTOELETRONICS PRODUCTS CO Ltd
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.)
Filing date
Publication date
Application filed by SHENZHEN ONWING OPTOELETRONICS PRODUCTS CO Ltd filed Critical SHENZHEN ONWING OPTOELETRONICS PRODUCTS CO Ltd
Publication of WO2012037776A1 publication Critical patent/WO2012037776A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]

Definitions

  • the invention relates to a lighting bulb, in particular to a LED light guiding bulb suitable for various lighting, art lighting and decorative lighting, and a manufacturing method thereof. Background technique
  • the design principle of the light guide plate is derived from the liquid crystal display of the notebook computer.
  • the light guide plate uses a fluorescent lamp, a CCFL, and an LED light source to pass through a light guiding point or a light guiding groove calculated by an optical principle, and converts the line light source or the point light source into a surface light source under the action of the reflective film (reflecting plate) and the diffusion film.
  • the reflective sheet is to reflect the light emitted from the bottom surface of the light guide back into the light guide plate to improve the efficiency of light use and increase the brightness.
  • LEDs are a point source and cannot be directly applied to illumination, direct use can irritate the human eye.
  • the prior art technology converts a point source into a surface source by means of a number of different materials such as reflections, lenses, direct-type diffusion plates, or monolithic light-in-plane light guides. This will inevitably increase energy consumption, reduce light efficiency and increase production costs. Can not meet the needs of the current economic development. Since the LED light effect is getting higher and higher, and the LED is a point light source and cannot be directly applied to the illumination, it is necessary to achieve the illumination purpose by the secondary illumination form.
  • the existing LED bulbs are shielded by materials such as various lenses and diffusion lampshades, and the secondary illumination is used to achieve the glare-free or glare-like illumination effect, and the materials such as the lens and the diffusion lampshade have a certain shading effect, and cannot be completely Light is emitted, resulting in the loss of most of the energy consumption, resulting in defects such as low light efficiency and increased production costs.
  • the present invention proposes a LED light guide bulb with low energy consumption, low production cost and high luminous efficiency and a manufacturing method thereof.
  • the LED light guide plate bulb of the present invention comprises a light guide plate, a light guiding point disposed on a surface of the light guide plate, an LED light source disposed on a side of the light guide plate, and a rectifying transformer circuit connected to the LED light source, through a heat sink and a lamp cap connected to one end of the light guide plate, the lamp cap being further connected to the rectifying transformer circuit.
  • a periphery of the light guide plate is provided with a lamp cover, and the lamp cover lamp head is connected to the heat sink.
  • the light guide plate is at least one of a rectangular shape, a U shape, a cross shape, a hollow square cylinder or a hollow cylinder. It may be composed of a plurality of light guide plates of the same shape, and may also be composed of a combination of light guide plates of various shapes.
  • the lamp cap is round or square; the lamp cap is a snap-on or screw-connected lamp cap.
  • the light guide plate is made of any light guiding material such as acrylic, glass or PC.
  • the light guiding point is made by any method such as printing, engraving, laser engraving, mold or etching.
  • the light guide plate is made by a mold or a method such as hot bending.
  • the method for manufacturing the LED light guide bulb according to the present invention has the following steps:
  • the light guide plate is formed by using a mold or a hot bending method
  • the LED light source is disposed on the side of the light guide plate;
  • the lamp cap, the heat sink, the LED light source, the light guide plate and the rectifying and transforming circuit are assembled and connected. Compared with the prior art, the present invention has advantages:
  • the existing LED illumination is a point source and cannot be directly used as illumination. It will produce glare and glare. It is necessary to use other materials for secondary illumination to achieve illumination effects such as lens, diffusion and hood.
  • the invention can directly derive light from the LED light guide plate and reduce energy consumption. Since the light transmittance of the light guide plate (PMMA) material is generally greater than 93%, it is the best light guiding partner of the LED, improving the light efficiency and reducing the cost (reducing the light source and Material costs such as diffusion);
  • the invention has wider application, long life, energy saving and environmental protection. Products are widely used in various fields of lighting, decorative lighting and so on.
  • Figure la is a schematic view showing the assembly of the rectangular light guide plate bulb of the present invention.
  • Figure lb is a side view of the heat sink and the U-shaped light guide plate assembled in Figure la;
  • FIG. 2a is a schematic view showing the assembly of a U-shaped light guide plate bulb of the present invention
  • Figure 2b is a side view of the heat sink of Figure 2a assembled with a U-shaped light guide
  • Figure 3a is a schematic view showing the assembly of the cross-shaped light guide bulb of the present invention.
  • Figure 3b is a side view of the heat sink of Figure 3a assembled with a cross-shaped light guide
  • Figure 4c is a side view of the heat sink of Figure 3a assembled with a cross-shaped light guide
  • Figure 5a is a schematic view showing the assembly of the hollow square pillar light guide bulb of the present invention.
  • Fig. 5c is a perspective view of a square pillar light guide plate. detailed description
  • the LED light guide bulb of the present invention comprises a light guide plate 1, a light guiding point 2 disposed on the surface of the light guide plate, an LED light source 3 disposed on a side of the light guide plate, and the LED light source.
  • the connected rectifying transformer circuit 4 is connected to the lamp cap 6 connected to the left end of the light guide plate 1 via a heat sink 5, and the lamp cap 6 is also electrically connected to the rectifying transformer circuit 4.
  • a transparent lamp cover 7 may be attached to the periphery of the light guide plate 1 as needed, and the lamp cover is fixedly connected to the heat sink 5.
  • the circuit 4 can be disposed inside the lamp cap 6, and can also be made into a separate rectifier and transformer as needed, and placed outside the lamp.
  • the lamp cap 6 can be made into a screw connection structure or a snap-type connection structure.
  • the invention can be fabricated into a variety of structural shapes, such as rectangular light guide bulbs, as shown in Figures la and lb. It is also possible to fabricate a U-shaped light guide bulb as shown in Figs. 2a and 2b.
  • the light guiding point 2 may be provided on the outer side of the light guide plate 1 or on the inner side of the light guide plate.
  • a cross-shaped light guide bulb is used, and the light guide plate in the bulb is formed by cross-combining two light guide plates with notches.
  • a hollow cylindrical light guide bulb is used, and the light guide plate is a hollow cylinder closed at one end, and the light guiding point 2 can be disposed on the outer side of the light guide plate 1, or can be disposed on the guide. The inner side of the light panel.
  • the hollow square pillar light guide bulb has a light guide plate 1 which is a hollow square cylinder, and the light guiding point 2 can be disposed on the outer side of the light guide plate 1, or can be disposed on the guide.
  • the base 6 of this embodiment differs from the circular base of the above embodiment in that it is adapted to a square heat sink and also to a square base.
  • the light guide plate of the present invention may also be composed of a plurality of light guide plates of the same shape, for example, two rectangular light guide plates are combined in parallel. It can also be composed of a combination of light guide plates of various shapes.
  • the light guide plate 1 can be made of any light guiding material such as acrylic, glass, or PC.
  • the light guiding point 2 can be produced by any method of printing, engraving, laser engraving, mold or etching.
  • the light guide plate 1 can be produced by a mold or a hot bending method.
  • the manufacturing method of the U-shaped light guide bulb of the present invention has the following steps (please refer to FIG. 2a and FIG. 2b): Step 1: Design the light guide point shape according to requirements, and on the inner surface (or outer surface of the light guide plate 1) ) Make a light guide point 2.
  • the light guiding point can be produced by printing, engraving, laser engraving, mold or etching.
  • Step 2 According to the design requirements, the light guide plate is made into a U-shape by hot bending. Other forming methods such as mold forming can also be used.
  • Step 3 Install the LED light source 3 on the two straight sides of the U-shaped light guide plate 1.
  • Step 4 Fix the heat sink 5 and the U-shaped light guide plate 1 with an insulating glue, and place the rectifier transformer 4 in the inner cavity of the lamp cap 6. Finally, the lamp head 6 with the rectifying and transforming circuit 4, the heat sink 5, the U-shaped light guide plate 1, and the lamp cover 7 can be assembled and connected in an integrated manner by an insulating glue, and the components are electrically connected and insulated from the outside.
  • the invention converts the LED point light source or the line light source into a soft surface light source by "setting different light guide plates", which is beautiful and elegant, energy-saving and environmentally friendly. Solving the problem that the point light source is uncomfortable when using LED illumination, The invention does not need to add any lens, diffusion material, etc., and overcomes the problem that the existing LED must have other materials to cooperate and perform secondary illumination to achieve the illumination effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention concerne une ampoule de plaque guide de lumière à DEL et un procédé de fabrication de celle-ci. L'ampoule de plaque guide de lumière à DEL comprend une plaque (1) guide de lumière, des points (2) guides de lumière prévus sur la surface de la plaque guide de lumière, une source (3) lumineuse à DEL prévue sur un bord latéral de la plaque guide de lumière, un circuit (4) transformateur redresseur connecté à la source lumineuse à DEL et un support (6) d'ampoule, connecté à une extrémité de la plaque (1) guide de lumière par l'intermédiaire d'un dissipateur thermique (5). Le support d'ampoule est également connecté au circuit transformateur redresseur. Cette ampoule de plaque guide de lumière à DEL permet de convertir une source lumineuse ponctuelle à DEL ou une source lumineuse linéaire en une source lumineuse plane douce par un réglage de la forme de la plaque guide de lumière, ce qui permet de résoudre le problème de DEL existantes, dans lesquelles les effets d'éclairage ne peuvent être obtenus que par une émission secondaire, en coordination avec d'autres matières.
PCT/CN2011/001435 2010-09-21 2011-08-26 Ampoule de plaque guide de lumière à del et procédé de fabrication de celle-ci Ceased WO2012037776A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010102896650A CN101956918A (zh) 2010-09-21 2010-09-21 一种led导光板灯泡及其制作方法
CN201010289665.0 2010-09-21

Publications (1)

Publication Number Publication Date
WO2012037776A1 true WO2012037776A1 (fr) 2012-03-29

Family

ID=43484423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/001435 Ceased WO2012037776A1 (fr) 2010-09-21 2011-08-26 Ampoule de plaque guide de lumière à del et procédé de fabrication de celle-ci

Country Status (2)

Country Link
CN (1) CN101956918A (fr)
WO (1) WO2012037776A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956918A (zh) * 2010-09-21 2011-01-26 深圳安嵘光电产品有限公司 一种led导光板灯泡及其制作方法
KR20140097346A (ko) * 2011-12-14 2014-08-06 지이 라이팅 솔루션스, 엘엘씨 필라멘트 효과를 생성하기 위한 led 램프 상의 측면 발광 가이드파이프 기술
JP6517154B2 (ja) * 2013-01-30 2019-05-22 クリー インコーポレイテッドＣｒｅｅ Ｉｎｃ． 光導波体およびこれを用いた照明器具
CN103557500A (zh) * 2013-11-14 2014-02-05 湖北爱商光电股份有限公司 一种led光源固定结构及其安装方法
CN103591472A (zh) * 2013-11-25 2014-02-19 南京工业职业技术学院 一种夜间阅读照明装置
EP3444521B1 (fr) * 2017-08-16 2021-05-05 Changzhou Fuxing Electrical Applicance Co., Ltd. Ampoule à del comprenant un corps de guidage de lumière

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US6330111B1 (en) * 2000-06-13 2001-12-11 Kenneth J. Myers, Edward Greenberg Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent
CN1407271A (zh) * 2001-09-03 2003-04-02 王伟民 Led芯片荧光节能灯
CN200982583Y (zh) * 2006-09-08 2007-11-28 柯鹏 Led光导照明装置
CN101334135A (zh) * 2008-04-18 2008-12-31 任少华 用于台灯/阅读灯/照明灯具的面光源
CN100467936C (zh) * 2004-05-24 2009-03-11 付刚 发光二极管灯
EP2065633A1 (fr) * 2006-09-20 2009-06-03 Osram Gesellschaft mit Beschränkter Haftung Lampe a diodes electroluminescentes en ampoule, et lampe a diodes electroluminescentes compacte
CN201448661U (zh) * 2009-08-13 2010-05-05 鹤山丽得电子实业有限公司 一种带导光柱的大功率led灯泡
WO2010079391A1 (fr) * 2009-01-09 2010-07-15 Koninklijke Philips Electronics N.V. Source lumineuse dotée de diodes électroluminescentes, guide d'ondes optique et réflecteur
CN101956918A (zh) * 2010-09-21 2011-01-26 深圳安嵘光电产品有限公司 一种led导光板灯泡及其制作方法
CN201836687U (zh) * 2010-09-21 2011-05-18 深圳安嵘光电产品有限公司 一种led导光板灯泡
CN102062893A (zh) * 2010-11-11 2011-05-18 深圳安嵘光电产品有限公司 一种内雕刻制作的导光板及其制作方法、照明灯具

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JP2010040364A (ja) * 2008-08-06 2010-02-18 Panasonic Corp 照明用光源
CN201289003Y (zh) * 2008-10-13 2009-08-12 定达科技股份有限公司 一种兼具散射与直射效果的led灯具结构
CN101509620A (zh) * 2009-01-08 2009-08-19 东莞市新东方光电技术有限公司 一种超薄型背光源

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Publication number Priority date Publication date Assignee Title
CN2392981Y (zh) * 1999-10-28 2000-08-23 宋义 均匀高效的前光源
US6330111B1 (en) * 2000-06-13 2001-12-11 Kenneth J. Myers, Edward Greenberg Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent
CN1407271A (zh) * 2001-09-03 2003-04-02 王伟民 Led芯片荧光节能灯
CN100467936C (zh) * 2004-05-24 2009-03-11 付刚 发光二极管灯
CN200982583Y (zh) * 2006-09-08 2007-11-28 柯鹏 Led光导照明装置
EP2065633A1 (fr) * 2006-09-20 2009-06-03 Osram Gesellschaft mit Beschränkter Haftung Lampe a diodes electroluminescentes en ampoule, et lampe a diodes electroluminescentes compacte
CN101334135A (zh) * 2008-04-18 2008-12-31 任少华 用于台灯/阅读灯/照明灯具的面光源
WO2010079391A1 (fr) * 2009-01-09 2010-07-15 Koninklijke Philips Electronics N.V. Source lumineuse dotée de diodes électroluminescentes, guide d'ondes optique et réflecteur
CN201448661U (zh) * 2009-08-13 2010-05-05 鹤山丽得电子实业有限公司 一种带导光柱的大功率led灯泡
CN101956918A (zh) * 2010-09-21 2011-01-26 深圳安嵘光电产品有限公司 一种led导光板灯泡及其制作方法
CN201836687U (zh) * 2010-09-21 2011-05-18 深圳安嵘光电产品有限公司 一种led导光板灯泡
CN102062893A (zh) * 2010-11-11 2011-05-18 深圳安嵘光电产品有限公司 一种内雕刻制作的导光板及其制作方法、照明灯具

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