WO2018035921A1 - 一种可卷绕灯丝的发光二极管灯及其制备工艺 - Google Patents

一种可卷绕灯丝的发光二极管灯及其制备工艺 Download PDF

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Publication number
WO2018035921A1
WO2018035921A1 PCT/CN2016/100284 CN2016100284W WO2018035921A1 WO 2018035921 A1 WO2018035921 A1 WO 2018035921A1 CN 2016100284 W CN2016100284 W CN 2016100284W WO 2018035921 A1 WO2018035921 A1 WO 2018035921A1
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Prior art keywords
substrate
filament
light
bulb
light bar
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PCT/CN2016/100284
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English (en)
French (fr)
Inventor
胡溢文
Original Assignee
胡溢文
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Priority to EP16913941.7A priority Critical patent/EP3460313A4/en
Publication of WO2018035921A1 publication Critical patent/WO2018035921A1/zh
Priority to US16/240,790 priority patent/US20190137047A1/en

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Classifications

    • 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
    • F21K9/90—Methods of manufacture
    • 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
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
    • H01L21/28575—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds
    • H01L21/28587—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds characterised by the sectional shape, e.g. T, inverted T
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/70—Light sources with three-dimensionally disposed light-generating elements on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other

Definitions

  • Light-emitting diode lamp capable of winding filament and preparation process thereof
  • the present invention relates to the field of LED lamp technology, and more particularly to an LED lamp capable of winding a filament and a preparation process thereof. Background technique
  • the bending filament is as claimed in the application number 201510712329.5.
  • the substrate is produced according to the required pattern, and in order to ensure the light on both sides, double-sided solid crystal is required, and the direction of the substrate needs to be adjusted when the arc and the reverse chip are fixed. This results in a low yield and a complicated production process, low efficiency, and a substrate can only make one graphic product.
  • the present invention overcomes the deficiencies of the prior art, and provides an LED lamp capable of winding a filament and a preparation process thereof, a special light bar structure and a process, and improving the efficiency and sensory comfort of the LED lamp.
  • an LED lamp capable of winding a filament including a bulb, a bracket, an electrical connector, and a driver, wherein: the bracket is externally connected to the bulb, and the bracket and the bulb are formed.
  • the vacuum sealing cavity is connected to the light bar by an electric lead wire; the light bar is a long strip structure, and the light bar is provided with a substrate, and a plurality of connecting lines are uniformly arranged on the substrate, and the connecting line is disconnected.
  • An LED chip is disposed on the connection line, and a fluorescent colloid is disposed on the substrate.
  • One end of the electric lead wire is connected to the light bar through an electrode, and the other end of the electric lead wire is connected to the voltage output end of the driver through a connecting wire, and the voltage input end of the driver is connected to the electrical connector, and the electrical connector is located at The lower end of the bracket.
  • the long strip structure is formed after solid crystal, welding, dispensing, baking, and later, and the shape of the light bar is a transverse winding structure and a vertical winding structure.
  • the vacuum sealed chamber is filled with a convective heat dissipating gas that is inconsistent with an air thermal expansion coefficient, and the convective heat dissipating gas is one or two or more mixed gases of helium, argon, hydrogen, and helium. .
  • the substrate is flip-chip or flip-chip connected to the LED chip, and the LED chip is connected to the connecting wire through solder
  • the substrate is an elongated sheet structure, and the substrate is made of metal or a flexible wiring board; the thickness of the substrate is less than 0.6 mm, and the width of the substrate is less than 10 mm.
  • the blister has a cross section of one of a circular shape, a sector shape, an elliptical shape, a triangular shape, and a trapezoidal shape.
  • the LED chip is one of blue light, red light, yellow light, green light, ultraviolet light, and infrared light, and the LED chip is excited by a phosphor.
  • a preparation process of an LED lamp capable of winding a filament is as follows:
  • the LED chip is connected to the substrate by a flip chip or a flip-chip process, and is performed by eutectic soldering or solder paste reflow or silver paste;
  • the present invention provides an LED lamp capable of winding a filament and a preparation process thereof, a special light bar structure and a process, and improves the efficiency and sensory comfort of the LED lamp.
  • FIG. 1 is a schematic structural view of the present invention.
  • Figure 2 is a schematic view of the structure of the light bar.
  • FIG 3 is a side view of a light bar structure.
  • FIG. 4 to FIG. 8 are schematic diagrams showing other embodiments of the LED lamp.
  • 1 is a substrate
  • 2 is a bulb
  • 3 is a convection heat-dissipating gas
  • 4 is an electric lead-out line
  • 5 is a bracket
  • 6 is an electrical connector
  • 7 is an electrode
  • 8 is a connecting line.
  • 9 is an LED chip
  • 10 is a fluorescent colloid.
  • the bracket 5 is externally connected to the bulb 2, and the bracket 5 and the bulb 2 form a vacuum sealed cavity, and the bracket 5 is connected with a light lead wire 4 to connect the light bar;
  • the strip structure is provided, and the substrate 1 is provided with a substrate 1 , and the substrate 1 is uniformly provided with a plurality of connecting lines 8 , the connecting line 8 is disconnected, the connecting line 8 is provided with an LED chip 9 , and the substrate 1 is provided with a fluorescent colloid 10.
  • the vacuum sealed chamber is filled with a convective heat dissipating gas 3 which is inconsistent with the coefficient of thermal expansion of the air.
  • the convective heat dissipating gas 3 is one or a mixture of two or more of helium, argon, hydrogen and helium.
  • the substrate 1 is flip-chip or flip-chip connected to the LED chip 9, and the LED chip 9 is connected to the connecting line 8 by solder.
  • the substrate 1 is an elongated sheet structure, and the substrate 1 is made of metal or a flexible wiring board; the thickness of the substrate 1 is less than 0.6 mm, and the width of the substrate 1 is less than 10 mm.
  • the LED chip 9 is one of blue light, red light, yellow light, green light, ultraviolet light, and infrared light, and the LED chip 9 is excited by a phosphor.
  • the light bar is a long strip structure in which the flat bar is subjected to die bonding, welding, dispensing, baking, and later, and the shape of the light bar is a transverse winding structure.
  • a structure of a vertical winding structure a linear structure, a circular arc structure, a triangular structure, an elliptical structure, a trapezoidal structure, a square structure, a heart structure, and a rhombic structure.
  • the blister 2 has a cross section of one of a circular shape, a sector shape, an elliptical shape, a triangular shape, and a trapezoidal shape.
  • a preparation process of a filament lamp capable of winding a filament is as follows:
  • the LED chip is connected to the substrate by flip-chip or flip-chip process, and is performed by eutectic soldering or solder paste reflow or silver paste.
  • the light bar 1 of the present invention has a slit connection of the substrate 8, so that the light bar 1 can be bent into various illuminants of different diameters, lengths, heights, and lengths, thereby achieving a 360° shadowless effect.
  • the bracket 5 and the bulb 2 are combined to form a sealed cavity, the structure of the stem is omitted, the cost is reduced, and the convective heat dissipating gas 3 which is inconsistent with the coefficient of thermal expansion of the air is filled in the sealed cavity, and a gas having a different thermal expansion coefficient is used.
  • the weight and sensitivity are closest to the existing incandescent bulbs, improving the efficiency and sensory comfort of the LEDs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种可卷绕灯丝的LED灯及其制备工艺。该LED灯包括泡壳（2）、支架（5）、电连接器（6）、驱动器，其特征在于：该支架（5）外连接泡壳（2），并且支架（5）与泡壳（2）形成真空密封腔体，支架（5）上采用电引出线连接灯条；该灯条为长条形结构，并且灯条上设有基板（1），基板（1）上均布设有若干连接线路（8），连接线路（8）为断开连接，连接线路（8）上设有LED芯片（9），基板（1）上设有荧光胶体（10）。同现有技术相比，提供一种可卷绕灯丝的LED灯及其制备工艺，特殊的灯条结构及工艺，提高LED灯的效率及感官舒适度。

Description

一种可卷绕灯丝的发光二极管灯及其制备工艺 技术领域
[0001] 本发明涉及 LED灯技术领域， 具体地说是一种可卷绕灯丝的 LED灯及其制备工艺。 背景技术
[0002] 在现有的灯丝灯条灯技术中， 虽然单条灯丝能 360° 出光， 但组装成整灯后由于多条 灯丝及支架干涉， 会有无数阴影 （俗称鬼影）。 并且 4 Π灯丝技术中， 由于使用透明基板会 导致蓝光外泄， 工艺复杂， 成本髙 （芯片釆用降功率， 提高光效， 降低温度的工作原理， 基 板加工工艺复杂等技术问题。
[0003] 弯曲灯丝如申请号 201510712329.5 采用按所需图形生产基板， 并且为保证两面有 光， 需双面固晶， 在圆弧及反向芯片固晶时需调整基板方向。 导致成品率低及生产工艺复 杂， 效率低， 并一种基板只能做出一种图形产品。
[0004] 现有产品由于电源外置防水防尘性能不佳， 综上所述， 本发明目的旨在解决现有技 术中存在的上述问题和缺陷的至少一个方面。
技术问题
[0005] 本发明为克服现有技术的不足， 提供一种可卷绕灯丝的 LED 灯及其制备工艺， 特殊 的灯条结构及工艺， 提高 LED灯的效率及感官舒适度。
技术解决方案
[0006] 为实现上述目的， 设计一种可卷绕灯丝的 LED 灯， 包括泡壳、 支架、 电连接器、 驱 动器， 其特征在于： 所述的支架外连接泡壳， 并且支架与泡壳形成真空密封腔体， 支架上采 用电引出线连接灯条； 所述的灯条为长条形结构， 并且灯条上设有基板， 基板上均布设有若 干连接线路， 连接线路为断开连接， 连接线路上设有 LED芯片， 基板上设有荧光胶体。
[0007] 所述的电引出线的一端通过电极连接灯条， 电引出线的另一端通过连接线连接驱动 器的电压输出端， 驱动器的电压输入端连接电连接器， 所述的电连接器位于支架的下端。
[0008] 所述的灯条为平板时进行固晶、 焊接、 点胶、 烘烤完成后再后期按要求成型的长条 形结构， 灯条的形状为横向卷绕结构、 竖向卷绕结构、 直线结构、 圆弧结构、 三角结构、 椭 圆结构、 梯形结构、 方形结构、 心形结构、 菱形结构中的一种结构。
[0009] 所述的真空密封腔体内填充与空气热膨胀系数不一致的对流散热气体， 所述的对流 散热气体为氦气、 氩气、 氢气、 氖气中的一种或两种或多种混合气体。
[0010] 所述的基板采用倒装或者正装倒置连接 LED芯片， LED芯片通过焊料连接到连接线
1
替换页 （细则第 26条) 路上。
[00111 所述的基板为细长形薄片结构， 并且基板由金属或者柔性线路板制得； 基板的厚度小 于 0.6mm， 基板的宽度小于 10mm。
[0012] 所述的泡壳的截面为圆形、 扇形、 椭圆形、 三角形、 梯形中的一种。
[0013] 所述的 LED芯片为蓝光、 红光、 黄光、 绿光、 紫外光、 红外光中的一种， 并且 LED 芯片釆用荧光粉激发。
[00141 —种可卷绕灯丝的 LED灯的制备工艺， 制备工艺如下：
[00151 ( 1 ) 将基板固定在灯条上；
[0016] ( 2 ) 基板上釆用倒装或者正装倒置的工艺将 LED芯片连接到基板上， 采用共晶 焊或者锡膏回流焊或者银胶电的手法进行；
[0017] (3 ) 在基板和 LED芯片的顶部涂覆荧光胶体；
[0018] (4) 将灯条弯绕成所需要的形状；
[0019] ( 5 ) 将灯条、 泡壳、 支架组装成灯泡， 并在灯泡腔体中填充散热保护气体；
[0020] ( 6) 组装驱动器、 电连接器制得 LED灯产品。
有益效果
[0021 ] 本发明同现有技术相比， 提供一种可卷绕灯丝的 LED 灯及其制备工艺， 特殊的灯条 结构及工艺， 提高 LED灯的效率及感官舒适度。
附图说明
[0022] 图 1为本发明结构示意图。
【00231 图 2为灯条结构示意图。
[0024] 图 3为灯条结构侧视图。
[0025] 图 4至图 8为 LED灯的其他实施列结构示意图。
[0026] 参见图 1 至图 3 , 1 为基板， 2 为泡壳， 3 为对流散热气体， 4为电引出线， 5 为支 架， 6为电连接器， 7为电极， 8为连接线路， 9为 LED芯片， 10为荧光胶体。
本发明的实施方式
[0027] 下面根据附图对本发明做进一步的说明。
[00281 如图 1至图 3所示， 支架 5外连接泡壳 2， 并且支架 5与泡壳 2形成真空密封腔体， 支架 5上采用电引出线 4连接灯条； 所述的灯条为长条形结构， 并且灯条上设有基板 1， 基 板 1上均布设有若干连接线路 8 , 连接线路 8为断开连接， 连接线路 8上设有 LED芯片 9， 基板 1上设有荧光胶体 10。
2
替换页 （细则第 26条) [0029] 电引出线 4的一端通过电极 Ί连接灯条 1， 电引出线 4的另一端通过连接线连接驱动 器的电压输出端， 驱动器的电压输入端连接电连接器 6, 所述的电连接器 6位于支架 5的下 端。
10030] 真空密封腔体内填充与空气热膨胀系数不一致的对流散热气体 3， 所述的对流散热气 体 3为氦气、 氩气、 氢气、 氖气中的一种或两种或多种混合气体。
[0031] 基板 1采用倒装或者正装倒置连接 LED芯片 9， LED芯片 9通过焊料连接到连接线 路 8上。
[0032] 基板 1 为细长形薄片结构， 并且基板 1 由金属或者柔性线路板制得； 基板 1 的厚度 小于 0.6mm， 基板 1的宽度小于 10mm。
10033] LED芯片 9为蓝光、 红光、 黄光、 绿光、 紫外光、 红外光中的一种， 并且 LED芯片 9采用荧光粉激发。
[0034] 如图 4 至图 8 所示， 灯条为平板吋进行固晶、 焊接、 点胶、 烘烤完成后再后期按要 求成型的长条形结构， 灯条的形状为横向卷绕结构、 竖向卷绕结构、 直线结构、 圆弧结构、 三角结构、 椭圆结构、 梯形结构、 方形结构、 心形结构、 菱形结构中的一种结构。 泡壳 2的 截面为圆形、 扇形、 椭圆形、 三角形、 梯形中的一种。
[0035] 一种可卷绕灯丝的 LED灯的制备工艺， 制备工艺如下：
[0036] ( 1 ) 将基板固定在灯条上；
100371 (2 ) 基板上釆用倒装或者正装倒置的工艺将 LED芯片连接到基板上， 采用共晶 焊或者锡膏回流焊或者银胶电的手法进行；
[0038] (3 ) 在基板和 LED芯片的顶部涂覆荧光胶体；
[0039] (4 ) 将灯条弯绕成所需要的形状；
[0040] (5 ) 将灯条、 泡壳、 支架组装成灯泡， 并在灯泡腔体中填充散热保护气体；
[0041] (6 ) 组装驱动器、 电连接器制得 LED灯产品。
[0042] 本发明的灯条 1 由于基板 8有缝连接的， 这样灯条 1 就可以弯绕成各种不同直径、 长度、 高度、 长短形状的发光体， 从而达到 360° 无阴影的效果， 并且支架 5与泡壳 2组合 形成密封腔体， 省去了芯柱的结构， 降低了成本， 密封腔体内填充与空气热膨胀系数不一致 的对流散热气体 3 , 采用热膨胀系数不一样的气体， 随着灯泡内温度变化在泡壳内形成对流 的散热方案， 利用光源及电源发出的热量， 使密封腔体内形成气体流动和循环， 带走光源及 电源上的热量， 整个制造工艺简单， LED 灯的形状、 重量及感光度最为接近现有的白炽灯 泡， 提高了 LED灯的效率及感官舒适度。
3
替换页 （细则第 26条)

Claims

权利要求书
[权利要求 1] 一种可卷绕灯丝的 LED灯， 包括泡壳、 支架、 电连接器、 驱动器， 其 特征在于： 所述的支架 （5) 外连接泡壳 （2) ， 并且支架 （5) 与泡 壳 （2) 形成真空密封腔体， 支架 （5) 上采用电引出线 （4) 连接灯 条； 所述的灯条为长条形结构， 并且灯条上设有基板 （1) ， 基板 （1 ) 上均布设有若干连接线路 （8) , 连接线路 （8) 为断开连接， 连接 线路 （8) 上设有 LED芯片 （9) , 基板 （1) 上设有荧光胶体 （10)
[权利要求 2] 根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的电引出线 （4) 的一端通过电极 （7) 连接灯条 （1) , 电引出线 （4 ) 的另一端通过连接线连接驱动器的电压输出端， 驱动器的电压输入 端连接电连接器 （6) ， 所述的电连接器 （6) 位于支架 （5) 的下端 根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的灯条为平板时进行固晶、 焊接、 点胶、 烘烤完成后再后期按要求成 型的长条形结构， 灯条的形状为横向卷绕结构、 竖向卷绕结构、 直线 结构、 圆弧结构、 三角结构、 椭圆结构、 梯形结构、 方形结构、 心形 结构、 菱形结构中的一种结构。
根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的真空密封腔体内填充与空气热膨胀系数不一致的对流散热气体 （3 ) , 所述的对流散热气体 （3) 为氦气、 氩气、 氢气、 氖气中的一种 或两种或多种混合气体。
根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的基板 （1) 釆用倒装或者正装倒置连接 LED芯片 （9) ， LED芯片 ( 9) 通过焊料连接到连接线路 （8) 上。
根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的基板 （1) 为细长形薄片结构， 并且基板 （1) 由金属或者柔性线路 板制得； 基板 （1) 的厚度小于 0.6mm， 基板 （1) 的宽度小于 10mm [权利要求 7] 根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的泡壳 （2) 的截面为圆形、 扇形、 椭圆形、 三角形、 梯形中的一种
[权利要求 8] 根据权利要求 1所述的一种可卷绕灯丝的 LED灯， 其特征在于： 所述 的 LED芯片 （9) 为蓝光、 红光、 黄光、 绿光、 紫外光、 红外光中的 一种， 并且 LED芯片 （9) 采用荧光粉激发。
[权利要求 9] 一种可卷绕灯丝的 LED灯的制备工艺， 其特征在于： 所述的制备工艺 如下：
( 1 ) 将基板固定在灯条上；
(2) 基板上采用倒装或者正装倒置的工艺将 LED芯片连接到基板上 ， 采用共晶焊或者锡膏回流焊或者银胶电的手法进行；
(3) 在基板和 LED芯片的顶部涂覆荧光胶体；
(4) 将灯条弯绕成所需要的形状；
(5) 将灯条、 泡壳、 支架组装成灯泡， 并在灯泡腔体中填充散热保 护气体；
(6) 组装驱动器、 电连接器制得 LED灯产品。
PCT/CN2016/100284 2016-08-24 2016-09-27 一种可卷绕灯丝的发光二极管灯及其制备工艺 WO2018035921A1 (zh)

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