WO2016202213A1 - 一种led日光管 - Google Patents

一种led日光管 Download PDF

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Publication number
WO2016202213A1
WO2016202213A1 PCT/CN2016/085397 CN2016085397W WO2016202213A1 WO 2016202213 A1 WO2016202213 A1 WO 2016202213A1 CN 2016085397 W CN2016085397 W CN 2016085397W WO 2016202213 A1 WO2016202213 A1 WO 2016202213A1
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WO
WIPO (PCT)
Prior art keywords
light
lamp
wire
strip
led
Prior art date
Application number
PCT/CN2016/085397
Other languages
English (en)
French (fr)
Inventor
吴少健
Original Assignee
吴少健
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Publication date
Application filed by 吴少健 filed Critical 吴少健
Publication of WO2016202213A1 publication Critical patent/WO2016202213A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • 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
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors

Definitions

  • the invention belongs to the field of household lighting, and in particular relates to an LED fluorescent tube.
  • LED Light Emitting Diode
  • the heart is a semiconductor wafer, one end of which is attached to a holder, one end is the negative pole, and the other end is connected to the positive pole of the power supply, so that the entire wafer is encapsulated by epoxy resin.
  • the semiconductor wafer consists of two parts, one part is P A semiconductor in which a hole dominates, and at the other end is an N-type semiconductor, which is mainly electrons here. But when the two semiconductors are connected, they form a 'P-N Knot'. When a current is applied to the wafer through the wire, the electrons are pushed toward the P region.
  • the electrons recombine with the holes, and then the energy is emitted in the form of photons.
  • This is the LED.
  • the wavelength of light, also the color of light, is determined by the material that forms the P-N junction.
  • the practical and commercialization of high-performance LEDs has brought a new revolution in lighting technology.
  • Made up of multiple ultra-high brightness red, blue and green LEDs The pixel lamp can not only emit various color lights with continuously adjustable wavelength, but also emit white light with brightness up to tens to 100 candles, which becomes an illumination source for incandescent lamps and LEDs with the same brightness.
  • the latter consumes only 10%-20% of the former.
  • LEDs are passed in blue LEDs.
  • Made of a light yellow phosphor coating which is usually made by grinding yttrium-doped yttrium aluminum garnet crystals into a powder and mixing them in a dense binder. .
  • LED The chip emits blue light, and some of the blue light is efficiently converted by this crystal into a broad spectrum of mainly yellow light. Since the yellow light stimulates the red and green receptors in the naked eye, the LED is mixed. The blue light itself makes it look like white light.
  • the LED tube is actually another name for the LED tube. It is the fourth generation LED.
  • the point light source is shaped like a straight tube. Like the shape of an ordinary fluorescent lamp, the light emitted is similar in color to sunlight, so it is called LED fluorescent lamp or LED.
  • the fluorescent tube because the shape is similar to the traditional fluorescent lamp, can directly replace the traditional fluorescent lamp, in line with people's usage habits.
  • LED fluorescent tubes have complex structures, many components, and are not compact enough to design LEDs.
  • the light-emitting element has a single connection mode, and the conductive line is shared with the heat-conducting line, the heat conduction efficiency is low, and the manufacturing cost is uneconomical.
  • the structure of the fluorescent tube is complicated, the components are large, the design is not compact, the connection mode is single, and the thermal conductivity is low.
  • the LED fluorescent tube with simple structure, few components, compact structure and high heat conduction efficiency is needed.
  • the invention provides an LED
  • the fluorescent tube comprises: a lamp tube, a lamp board and a lamp holder, wherein the tube is a cylindrical hollow glass tube, the inner diameter of the tube is larger than the width of the lamp board, and the lamp board is disposed in the inner space of the lamp tube, and the opening of the lamp cap and the lamp tube Engage.
  • the light board comprises a mounting strip, a light strip and an electric wire
  • the mounting strip has an arc shape with an open cross section
  • the middle surface of the upper surface of the mounting strip has a light strip groove
  • the light strip groove has a light strip card
  • the slot and the light bar are disposed in the light bar slot of the light strip groove of the mounting plate
  • the lower surface of the mounting plate has two wire card slots on both sides of the light bar groove protruding portion
  • the wire is disposed on the mounting plate
  • the mounting plate has curved wings on both sides, and the edge of the plate wing is an inwardly rolled bead.
  • the light bar includes a substrate strip, a lamp cup, and an LED a chip and a phosphor coating
  • the substrate strip includes a first electrical lead, a second electrical lead, and a hot lead
  • the second electrical lead is disposed on one side of the first electrical lead, and is parallel to the first electrical lead
  • the hot lead is disposed at the The other side of an electrical conductor is parallel to the first electrical conductor.
  • the lamp cup encloses the first electric wire, the second electric wire and the heat wire in an injection molding manner, and the lamp cup has a lamp cup opening thereon, and the LED
  • the chip is disposed in the opening of the lamp cup, the LED chip is in contact with the hot wire and the positive and negative electrodes of the LED chip are connected with the electric wire, and the positive and negative electrodes of the LED chip can be respectively connected with the first electric wire, LED
  • the positive and negative poles of the chip may also be respectively connected to the first electric lead and the second electric lead, or the positive and negative poles of one part of the LED chip are respectively connected with the first electric lead, and the other part of the LED is connected.
  • the positive and negative electrodes of the chip are respectively connected to the first electric lead and the second electric lead, and the phosphor coating covers the LED chip and seals the opening of the lamp cup.
  • the LED fluorescent tube provided by the invention has the advantages of simple structure, few components, compact structure and high heat conduction efficiency.
  • FIG. 1 is a schematic view showing the product structure of an LED fluorescent tube of the present invention
  • FIG. 2 is a schematic structural view of a lamp board of an LED fluorescent tube of the present invention.
  • FIG. 3 is a schematic structural view of a mounting plate strip of an LED fluorescent tube of the present invention.
  • FIG. 4 is a schematic structural view of a light bar of an LED fluorescent tube of the present invention.
  • FIG. 5 is a schematic structural view of a substrate strip of an LED fluorescent tube of the present invention.
  • FIG. 6 is a schematic view showing a substrate with a light-emitting area and a heat-dissipating area of the LED fluorescent tube of the present invention
  • FIG. 7 is a schematic view showing the combination of a lamp cup and a substrate strip of the LED fluorescent tube of the present invention.
  • FIG. 8 is a schematic view showing a series connection structure of LED chips of an LED fluorescent tube of the present invention.
  • FIG. 9 is a schematic diagram showing the parallel structure of the LED chip of the LED fluorescent tube of the present invention.
  • FIG. 1 is a schematic view showing the product structure of the LED fluorescent tube of the present invention, LED
  • the fluorescent tube (100) comprises: a lamp tube (102), a lamp plate (104) and a lamp cap (106).
  • the lamp tube (102) is a cylindrical hollow glass tube, and the inner diameter of the lamp tube (102) is larger than that of the lamp plate (104).
  • the width, and the light board (104) is disposed in the inner space of the lamp tube (102), and the lamp head (106) is engaged with the opening at both ends of the lamp tube (102).
  • the LED of the present invention Schematic diagram of the light board structure of the fluorescent tube, the light board (104) includes a mounting board strip (108), a light strip (110) and a wire (112), as shown in FIG. 3, which is the LED of the present invention.
  • FIG. 10 Schematic diagram of the mounting plate of the fluorescent tube, the cross section of the mounting plate (108) is an arc with an upward opening, and the middle portion of the upper surface of the mounting plate (108) has a light bar groove (128) and a light bar groove (128) There is a light strip card slot (130), and the light strip (110) is disposed in the light strip card slot (130) of the light strip groove (128) of the mounting strip (108), and the lower side of the mounting strip (108)
  • the surface has two wire card slots (132) on both sides of the protrusion of the light bar groove (128), and the wire (112) is disposed in the wire card slot (132) of the mounting plate (108), and the mounting plate ( 108)
  • Both sides of the arc have plate wings, the edges of which are inwardly rolled up, and the wire (112) has a conductor core and an insulating jacket wrapped around the conductor core.
  • the LED of the present invention The light bar structure diagram of the fluorescent tube includes a substrate strip (114), a lamp cup (116), an LED chip (118), and a phosphor coating (120).
  • the LED of the present invention A schematic diagram of a substrate strip structure of a fluorescent tube, the substrate strip (114) includes a first electrical lead (122), a second electrical lead (124), and a thermal lead (126), and the second electrical lead (124) is disposed on the first electrical lead ( One side of 122), and parallel to the first electrical lead (122), the hot wire (126) is disposed on the other side of the first electrical lead (122) and parallel to the first electrical lead (122), along the A plurality of light-emitting regions and heat-dissipating regions are alternately disposed in a lateral direction of an electric wire (122), a second electric wire (124), and a heat wire (126), as shown in FIG.
  • the substrate of the LED fluorescent tube has a light-emitting area and a heat-dissipating area.
  • the first electrical wire (122) is disconnected, and the joints at both ends of the first electrical wire (122) are L-shaped, L
  • the long side of the shape is adjacent to the second electric wire (124).
  • the hot wire (126) has a through hole, and the side of the hot wire (126) adjacent to the first electric wire (122) has a trapezoidal protrusion I .
  • the heat wire (126) has a concave arc shape and has a concave slope and a heat dissipation plate.
  • the heat dissipation plate has a trapezoidal protrusion II on a side away from the first electric wire (122), and the heat dissipation plate The lower surface is in contact with the mounting strip (108).
  • the LED of the present invention The lamp cup of the fluorescent tube is combined with the substrate strip, and the lamp cup (116) encapsulates the first electric lead (122), the second electric lead (124) and the hot lead (126) in an injection molding manner in the light-emitting area, the light cup
  • the upper surface of the (116) has a lamp cup opening, and the lamp cup opening is an flared flare shape, and the first electric wire (122), the second electric wire (124) and the hot wire are exposed at the opening of the lamp cup ( 126), the lamp cup (116) has a lamp cup foot below, the height of the lamp cup foot corresponding to the concave depth of the heat wire (126) heat sink plate and contact with the mounting plate tape (108).
  • the LED chip (118) is disposed in the lamp cup opening, and the LED chip (118) is in contact with the hot wire (126) and the LED
  • the positive and negative poles of the chip (118) are connected to the electric wires, as shown in FIG. 8, which is a schematic diagram of the LED chip serial structure of the LED fluorescent tube of the present invention, LED
  • the positive and negative poles of the chip (118) may be respectively connected to the two L-shaped joints of the first electrical lead (122), if the positive and negative poles of all the LED chips (118) are respectively opposite to the first electric lead (122) L
  • the connector is connected so that all of the LED chips (118) are connected in series throughout the circuit. As shown in FIG.
  • LED 9 it is a schematic diagram of a parallel structure of LED chips of the LED fluorescent tube of the present invention, LED
  • the positive and negative electrodes of the chip (118) may also be connected to the first electrical lead (122) and the second electrical lead (124), respectively, and at the same time the two L-shaped joints of the first electrical lead (122) are docked, if all the LEDs
  • the positive and negative electrodes of the chip (118) are respectively connected to the first electrical conductor (122) and the second electrical conductor (124), and all of the LED chips (118) are connected in parallel throughout the circuit.
  • the positive and negative terminals of the chip (118) are respectively connected to the two L-shaped joints of the first electrical lead (122), and the other part of the LED
  • the positive and negative terminals of the chip (118) are respectively connected to the first electrical conductor (122) and the second electrical conductor (124), and all of the LED chips (118) are mixed throughout the circuit.
  • Phosphor coating (120) is covered Above the LED chip (118) and sealing the opening of the lamp cup, the phosphor coating is in the shape of a circular arc, and the phosphor coating is made of a mixture of phosphor and silica gel.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种LED日光管(100)，包括：灯管(102)，灯板(104)以及灯头(106)，灯管(102)为圆柱形中空玻璃管，灯管(102)的内径大于灯板(104)的宽度，并且灯板(104)设置于灯管(102)的内部空间，灯头(106)与灯管(102)两端的开口接合，灯板(104)包括安装板带(108)、灯条(110)和电线(112)，安装板带(108)具有灯条凹槽(128)、灯条卡槽(130)和电线卡槽(132)，灯条(110)包括基板带(114)、灯杯(116)、LED芯片(118)和荧光粉涂层(120)，基板带(114)包括第一电导线(122)、第二电导线(124)和热导线(126)。该LED日光管（100），结构简单，组件较少，结构紧凑且导热效率高。

Description

一种LED日光管 一种LED日光管
技术领 域
本发明属于家用照明领域，尤其涉及一种 LED 日光管。
背景技术
LED （ Light Emitting Diode ），发光二极管，是一种固态的半导体器件，它可以直接把电转化为光。 LED 的心脏是一个半导体的晶片，晶片的一端附在一个支架上，一端是负极，另一端连接电源的正极，使整个晶片被环氧树脂封装起来。半导体晶片由两部分组成，一部分是 P 型半导体，在它里面空穴占主导地位，另一端是 N 型半导体，在这边主要是电子。但这两种半导体连接起来的时候，它们之间就形成一个' P-N 结'。当电流通过导线作用于这个晶片的时候，电子就会被推向 P 区，在 P 区里电子跟空穴复合，然后就会以光子的形式发出能量，这就是 LED 发光的原理。而光的波长也就是光的颜色，是由形成 P-N 结的材料决定的。
高性能 LED 的实用化和商品化，使照明技术面临一场新的革命。由多个超高亮度红、蓝、绿三色 LED 组成的像素灯不仅可以发出波长连续可调的各种色光，而且还可以发出亮度可达几十到一百烛光的白色光成为照明光源，对于相同发光亮度的白炽灯和 LED 固体照明灯来说，后者的功耗只占前者的 10%-20% 。
现时生产的白光 LED 大部分是通过在蓝光 LED 上覆盖一层淡黄色荧光粉涂层制成的，这种黄色磷光体通常是通过把掺了铈的钇铝石榴石晶体磨成粉末后混合在一种稠密的粘合剂中而制成的。当 LED 芯片发出蓝光，部分蓝光便会被这种晶体很高效地转换成一个光谱较宽的主要为黄色的光，由于黄光会刺激肉眼中的红光和绿光受体，再混合 LED 本身的蓝光，使它看起来就像白色光。
LED 日光管其实就是 LED 日光灯的另外一种称呼，它是采用第四代的 LED 点光源，外形做成直管式的，和普通荧光灯的外形一样，发出的光的颜色类似太阳光，所以人们称之为 LED 日光灯或 LED 日光管，因为外形是和传统荧光灯差不多，所以又可以直接替换传统荧光灯，符合人们的使用习惯。
现有的 LED 日光管结构复杂，组件较多，设计不够紧凑， LED 发光元件连接方式单一，导电线路与导热线路共用，导热效率低，制造成本不经济。
发明内容
为了解决现有 LED 日光管结构复杂，组件较多，设计不够紧凑，连接方式单一，导热效率低的技术问题，需要一种结构简单，组件较少，结构紧凑且导热效率高的 LED 日光管。
本发明提供一种 LED 日光管，包括：灯管，灯板以及灯头，灯管为圆柱形中空玻璃管，灯管的内径大于灯板的宽度，并且灯板设置于灯管的内部空间，灯头与灯管两端的开口接合。
进一步地，灯板包括安装板带、灯条和电线，安装板带横截面为开口向上的弧形，安装板带的上表面中间区域具有灯条凹槽，灯条凹槽内具有灯条卡槽，灯条设置在安装板带的灯条凹槽的灯条卡槽内，安装板带的下表面在灯条凹槽凸出部的两侧具有两个电线卡槽，电线设置在安装板带的电线卡槽中，安装板带弧形的两侧具有板翼，板翼的边缘为向内卷起的卷边。
进一步地，灯条包括基板带、灯杯、 LED 芯片和荧光粉涂层，基板带包括第一电导线、第二电导线和热导线，第二电导线设置在第一电导线的一侧，并且与第一电导线平行，热导线设置在第一电导线的另一侧，并且与第一电导线平行。
进一步地，灯杯以注塑成型的方式包裹住第一电导线、第二电导线和热导线，灯杯的上面具有灯杯开口， LED 芯片设置于灯杯开口内， LED 芯片与热导线接触并且 LED 芯片的正负极与电导线连接， LED 芯片的正负极可以都分别与第一电导线连接， LED 芯片的正负极也可以都分别与第一电导线和第二电导线连接，或者，一部分 LED 芯片的正负极分别与第一电导线连接，另一部分 LED 芯片的正负极分别与第一电导线和第二电导线连接，荧光粉涂层覆盖在 LED 芯片上方并且封住灯杯开口。
应用本发明提供的 LED 日光管，结构简单，组件较少，结构紧凑且导热效率高。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图 1 为本发明的 LED 日光管的产品结构示意图；
图 2 为本发明的 LED 日光管的灯板结构示意图；
图 3 为本发明的 LED 日光管的安装板带结构示意图；
图 4 为本发明的 LED 日光管的灯条结构示意图；
图 5 为本发明的 LED 日光管的基板带结构示意图；
图 6 为本发明的 LED 日光管的基板带发光区和散热区示意图；
图 7 为本发明的 LED 日光管的灯杯与基板带结合示意图；
图 8 为本发明的 LED 日光管的 LED 芯片串联结构示意图；
图 9 为本发明的 LED 日光管的 LED 芯片并联结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
具体实施例
如图1所示，为本发明的 LED 日光管的产品结构示意图， LED 日光管（100）包括：灯管（102），灯板（104）以及灯头（106），灯管（102）为圆柱形中空玻璃管，灯管（102）的内径大于灯板（104）的宽度，并且灯板（104）设置于灯管（102）的内部空间，灯头（106）与灯管（102）两端的开口接合。
如图2所示，为本发明的 LED 日光管的灯板结构示意图，灯板（104）包括安装板带（108）、灯条（110）和电线（112），如图3所示，为本发明的 LED 日光管的安装板带结构示意图，安装板带（108）横截面为开口向上的弧形，安装板带（108）的上表面中间区域具有灯条凹槽（128），灯条凹槽（128）内具有灯条卡槽（130），灯条（110）设置在安装板带（108）的灯条凹槽（128）的灯条卡槽（130）内，安装板带（108）的下表面在灯条凹槽（128）凸出部的两侧具有两个电线卡槽（132），电线（112）设置在安装板带（108）的电线卡槽（132）中，安装板带（108）弧形的两侧具有板翼，板翼的边缘为向内卷起的卷边，电线（112）具有导体线芯和包裹在导体线芯外面的绝缘外套。
如图4所示，为本发明的 LED 日光管的灯条结构示意图，灯条（110）包括基板带（114）、灯杯（116）、 LED 芯片（118）和荧光粉涂层（120）。
如图5所示，为本发明的 LED 日光管的基板带结构示意图，基板带（114）包括第一电导线（122）、第二电导线（124）和热导线（126），第二电导线（124）设置在第一电导线（122）的一侧，并且与第一电导线（122）平行，热导线（126）设置在第一电导线（122）的另一侧，并且与第一电导线（122）平行，在沿第一电导线（122）、第二电导线（124）和热导线（126）的横向方向上交替地设置有多个发光区和散热区，如图6所示，为本发明的 LED 日光管的基板带发光区和散热区示意图，在发光区内，第一电导线（122）断开，第一电导线（122）断开处两端的接头均成 L 形状， L 形的长边邻近第二电导线（124），在发光区内，热导线（126）具有通孔，并且热导线（126）靠近第一电导线（122）的一侧具有梯形凸出部Ⅰ。在散热区内，热导线（126）呈下凹的弧形状，并且具有下凹斜坡和散热板，散热板在远离第一电导线（122）的一侧具有梯形凸出部Ⅱ，散热板的下表面与安装板带（108）接触。
如图7所示，为本发明的 LED 日光管的灯杯与基板带结合示意图，灯杯（116）在发光区以注塑成型的方式包裹住第一电导线（122）、第二电导线（124）和热导线（126），灯杯（116）的上面具有灯杯开口，灯杯开口为外扩的喇叭形，同时灯杯开口处可以露出所包裹住的第一电导线（122）、第二电导线（124）和热导线（126），灯杯（116）下面具有灯杯脚，灯杯脚的高度与热导线（126）散热板的下凹深度相对应并且与安装板带（108）接触。
LED 芯片（118）设置于灯杯开口内， LED 芯片（118）与热导线（126）接触并且 LED 芯片（118）的正负极与电导线连接，如图8所示，为本发明的 LED 日光管的 LED 芯片串联结构示意图， LED 芯片（118）的正负极可以分别与第一电导线（122）的两个 L 形接头连接，若所有的 LED 芯片（118）的正负极都分别与第一电导线（122）的两个 L 形接头连接，则所有的 LED 芯片（118）串联在整个电路中。如图9所示，为本发明的 LED 日光管的 LED 芯片并联结构示意图， LED 芯片（118）的正负极也可以分别与第一电导线（122）和第二电导线（124）连接，并且同时第一电导线（122）的两个 L 形接头对接，若所有的 LED 芯片（118）的正负极都分别与第一电导线（122）和第二电导线（124）连接，则所有的LED芯片（118）并联在整个电路中。此外，也可以一部分 LED 芯片（118）的正负极分别与第一电导线（122）的两个 L 形接头连接，另一部分 LED 芯片（118）的正负极分别与第一电导线（122）和第二电导线（124）连接，则所有的 LED 芯片（118）混联在整个电路中。荧光粉涂层（120）覆盖在 LED 芯片（118）上方并且封住灯杯开口，荧光粉涂层呈圆弧形，荧光粉涂层的材质为荧光粉与硅胶的混合物。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所做的任何修改、改进、等同替换等，均应包含在本发明的保护范围之内。

Claims (7)

  1. 一种LED日光管，包括：灯管，设置于所述灯管内的灯板以及连接所述灯管的灯头，所述灯管为圆柱形中空玻璃管，所述灯管的内径大于所述灯板的宽度，所述灯头与所述灯管两端的开口接合；其特征在于，所述灯板包括安装板带、灯条和电线，所述安装板带横截面为开口向上的弧形，所述安装板带的上表面中间区域具有灯条凹槽，所述灯条凹槽内具有灯条卡槽，所述灯条设置所述灯条卡槽内，所述安装板带的下表面在所述灯条凹槽凸出部的两侧具有两个电线卡槽，所述电线设置在所述电线卡槽中。
  2. 根据权利要求1所述的LED日光管，其特征在于：所述安装板带弧形的两侧具有板翼，所述板翼的边缘为向内卷起的卷边。
  3. 根据权利要求1所述的LED日光管，其特征在于：所述灯条包括基板带、灯杯、LED芯片和荧光粉涂层，所述基板带包括相互平行的第一电导线、第二电导线和热导线，所述第二电导线设置在所述第一电导线的一侧，所述热导线设置在所述第一电导线的另一侧。
  4. 根据权利要求3所述的LED日光管，其特征在于：在沿所述第一电导线、所述第二电导线和所述热导线的横向方向上交替地设置有复数个发光区和散热区。
  5. 根据权利要求4所述的LED日光管，其特征在于：所述灯杯在所述发光区以注塑成型的方式包裹住所述第一电导线、所述第二电导线和所述热导线，所述灯杯的上面具有灯杯开口，所述灯杯开口为外扩的喇叭形，所述灯杯开口处露出所包裹住的所述第一电导线、所述第二电导线和所述热导线。
  6. 根据权利要求5所述的LED日光管，其特征在于：所述LED芯片设置于所述灯杯开口内，所述LED芯片与所述热导线接触，并且所述LED芯片的正负极与所述第一电导线或第二电导线电导线连接。
  7. 根据权利要求6所述的LED日光管，其特征在于：所述荧光粉涂层覆盖在所述LED芯片上方并且封住所述灯杯开口，所述荧光粉涂层呈圆弧形。
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