CN104456245A - LED lamp strip - Google Patents
LED lamp strip Download PDFInfo
- Publication number
- CN104456245A CN104456245A CN201410654457.4A CN201410654457A CN104456245A CN 104456245 A CN104456245 A CN 104456245A CN 201410654457 A CN201410654457 A CN 201410654457A CN 104456245 A CN104456245 A CN 104456245A
- Authority
- CN
- China
- Prior art keywords
- led
- transparent casing
- flexible pcb
- paster
- pasters
- 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.)
- Pending
Links
Classifications
-
- 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
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
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- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
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- 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
- F21Y2101/00—Point-like light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses an LED lamp strip which comprises a transparent casing pipe and a plurality of LED light-emitting modules wrapped in the transparent casing pipe. Each LED light-emitting module comprises a flexible circuit board and a plurality of LED paster units. Each paster unit comprises at least two LED pasters which are connected in parallel, and the LED pasters are electrically connected with the corresponding flexible circuit board. Each flexible circuit board comprises a body and a bending-back part which is arranged at the end of the body and is bent backwards. The bending-back parts are arranged at the bottoms of the bodies, central spindles wrap the transition positions of the bending-back parts and the bodies, and heat conduction silica gel is arranged on the radial surfaces of the central spindles. All the LED pasters in the LED lamp strip are arranged in a single column at equal intervals in the transparent casing pipe. The LED lamp strip has the advantages of being uniform in light emitting, convenient to produce and the like.
Description
Technical field
The present invention relates to a kind of LED, particularly relate to a kind of luminous uniform LED.
Background technology
LED of the prior art, comprise multiple LED luminescence component carrying out arranging successively, the LED paster of multiple length direction equidistant placement along light bar is provided with in luminescence component, two ends due to luminescence component need to be connected with positive wire and cathode conductor respectively, therefore, the two-end-point of luminescence component is provided with the connecting portion carrying out with positive wire or cathode conductor being connected.When by organize more LED luminescence component arrange successively time, be folded with the connecting portion of last group of LED luminescence component and the connecting portion of rear one group of LED luminescence component between the LED paster of the least significant end of last group of LED luminescence component and the LED paster foremost of rear one group of LED luminescence component.When the spacing of the LED paster of arrangement equidistant in LED luminescence component is less, the spacing of the LED paster of last group of LED luminescence component least significant end and rear one group of LED luminescence component LED paster foremost can be made to be greater than the spacing of the LED paster on LED luminescence component, thus make the spacing of two LED pasters adjacent in LED uneven, thus cause LED Integral luminous uneven.In addition, when manufacturing LED, usually need position the length of LED, automatically to detect the length of LED or to carry out automatic code-spraying operation in the bottom of LED.Therefore usually between two adjacent LED luminescence components, process gap can be set again; to make checkout gear automatically detect quantity-produced LED by this process gap, locate and carry out automatic code-spraying operation; due to the existence of process gap; the spacing of the LED paster of the last group of LED luminescence component least significant end of arranging successively and rear one group of LED luminescence component LED paster foremost will inevitably be increased further; thus making the uniformity of two LED paster spacing adjacent in LED poorer, the luminescence of LED is also more uneven.
Summary of the invention
The present invention is intended to solve above-mentioned mentioned technical problem, provides the LED that a kind of luminescence is even, be convenient to the manufacturing.
The present invention is realized by following technical scheme:
A kind of LED, comprise transparent casing and be coated on the positive wire in transparent casing, cathode conductor and some groups of LED luminescence components parallel with one another, some groups of LED luminescence components are arranged successively along the length direction of transparent casing, often organize the flexible PCB that LED luminescence component includes regular length and the some LED chip units be connected in series be arranged on flexible PCB, the series circuit that some LED chip units be connected in series are formed is in series with current-limiting resistance, each LED chip unit comprises at least two LED pasters parallel with one another, LED paster is electrically connected with flexible PCB, flexible PCB comprises the body carrying out with LED paster being connected and the end being arranged at body and carries out the reflex part of bending backward, reflex part is arranged at the bottom of body, the position of reflex part and bulk transition is enclosed with mandrel, the radial surface of mandrel is provided with heat conductive silica gel, the bottom of reflex part is provided with the conductive contact be electrically connected with the circuit layer on flexible PCB, conductive contact is electrically connected by being connected wire with positive wire or cathode conductor, connect wire to be connected with conductive contact by the mode of welding,
All LED pasters in described LED carry out single-row equidistant arrangement in transparent casing.
Further, the upper surface of described body is coated with reflective membrane.
Further, described transparent casing comprises interior pipe box and is coated on the outer tube sleeve of interior pipe box outside.
Further, the inwall of described interior pipe box is provided with granular male and fomale(M&F).
Further, the outer surface of described outer tube sleeve is provided with granular male and fomale(M&F).
Further, the outer wrap of described connection wire has gum cover.
Beneficial effect is: LED of the present invention, by the two ends at body, reflex part is set, and be connected with positive wire or cathode conductor by reflex part, the spacing of the LED paster of last group of LED luminescence component rearmost end of some LED luminescence components of arranging successively and rear one group of LED luminescence component LED paster foremost can be adjusted arbitrarily, be preferably and carry out relative set according to the spacing of two adjacent LED pasters on LED luminescence component, equidistantly arrange in transparent casing with all LED pasters realized in LED.Simultaneously, because the LED paster of last group of LED luminescence component rearmost end and rear one group of LED luminescence component LED paster are foremost provided with spacing, usually this spacing must for being greater than 0, therefore when manufacturing LED, the length of this gap to LED can be utilized to position, automatically to detect the length of LED or to carry out automatic code-spraying operation in the bottom of LED, be convenient to the fully-automatic production realizing LED.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
Fig. 1 is the position relationship schematic diagram of two adjacent luminescence components;
Fig. 2 is the sectional view of two luminescence components in Fig. 1;
Fig. 3 is the A place enlarged diagram in Fig. 2;
Fig. 4 is the cross sectional representation of LED.
Detailed description of the invention
LED 1 as Figure 1-Figure 4, its cross section is roughly in semicircle shape.LED 1 comprises transparent casing 10 and is coated on positive wire 21 in transparent casing 10, cathode conductor 22 and some groups of LED luminescence components 3 parallel with one another, and some groups of LED luminescence components 3 are arranged successively along the length direction of transparent casing 10.Transparent casing 10 can be arranged to double-decker, and it comprises for installing pipe box 11 in positive wire 21, cathode conductor 22 and LED luminescence component 3, and the outside of interior pipe box 11 is coated with outer tube sleeve 12.Between interior pipe box 11 and outer tube sleeve 12, can fluorescent material be set, the brightness of LED 1 after fluorescent material is set, can be strengthened.For the light making LED 1 send is soft natural and expand the range of exposures of LED 1, can local or granular male and fomale(M&F) 13 is all set on the inwall of interior pipe box 11 and/or the outer surface of outer tube sleeve 12.
Often organize the flexible PCB 31 that LED luminescence component 3 includes regular length and the some LED chip units be connected in series be arranged on flexible PCB 31.The series circuit that some LED chip units be connected in series are formed is in series with current-limiting resistance 33.
Each LED chip unit comprises at least two LED paster 32, LED pasters 32 parallel with one another to be electrically connected with flexible PCB 31.Be preferably in the present embodiment on each LED chip unit and comprise two LED pasters 32 be connected in parallel, when not working to prevent one of them the LED paster 32 in LED luminescence component 3, cause whole group of the LED luminescence component 3 at this LED paster 32 place not work.
Flexible PCB 31 comprises the body 310 carrying out with LED paster 32 being connected and the end being arranged at body 310 and carries out the reflex part 311 of bending backward.Also be, flexible PCB 31 comprises body 310 and reflex part 311, reflex part 311 be by the end of body 310 carry out 180 ° bending construct form.Reflex part 311 is arranged at the bottom of body 310, and reflex part 311 is enclosed with mandrel 314 with the position of body 310 transition, and the radial surface of mandrel 314 is provided with heat conductive silica gel.Heat conductive silica gel is used for mandrel 314 to carry out bonding with reflex part 311 with the position of body 310 transition, can prevent flexible PCB 31 from being fractureed, can also accelerate the heat radiation of flexible PCB 31.The bottom of reflex part 311 is provided with the conductive contact 312 be electrically connected with the circuit layer on flexible PCB 31, conductive contact 312 is electrically connected by being connected wire with positive wire 21 or cathode conductor 22, connect wire to be connected with conductive contact 312 by the mode of welding, the outside connecting wire can also be enclosed with gum cover.Because flexible PCB 31 is provided with the reflex part 311 being mainly used in carrying out with outside being electrically connected, and be connected with positive wire 21 or cathode conductor 22 by reflex part 311, the spacing of the LED paster 32 of last group of LED luminescence component 3 rearmost end of some LED luminescence components 3 of arranging successively and rear one group of LED luminescence component 3 LED paster 32 foremost can be adjusted arbitrarily, be preferably and carry out relative set according to the spacing of two adjacent LED pasters 32 on LED luminescence component 3, equidistantly arrange in transparent casing 10 with all LED pasters 32 realized in LED 1.Simultaneously, because the LED paster 32 of last group of LED luminescence component 3 rearmost end and rear one group of LED luminescence component 3 LED paster 32 are foremost provided with spacing, usually this spacing must for being greater than 0, therefore when manufacturing LED 1, the length of this gap to LED 1 can be utilized to position, automatically to detect the length of LED 1 or to carry out automatic code-spraying operation in the bottom of LED 1, be convenient to the production of the automation realizing LED 1.
Flexible PCB 31 also comprises the copper foil 313 for being carried out being electrically connected by LED paster 32, and the circuit layer being also flexible PCB 31 is made up of some copper foils 313.Current-limiting resistance 33 is also connected with LED chip unit by copper foil 313.
For making LED 1 Integral luminous even, all LED pasters 32 in LED 1 carry out single-row equidistant arrangement in transparent casing 10.
Preferably, for strengthening the illumination effect of LED 1, the upper surface of body 310 is coated with reflective membrane 4.
Above embodiment is only not limited in order to technical scheme of the present invention to be described, all do not depart from spirit and scope of the invention any amendment or equivalently to replace, it all should be encompassed in the scope of technical solution of the present invention.
Claims (6)
1. a LED, it is characterized in that: comprise transparent casing and be coated on the positive wire in transparent casing, cathode conductor and some groups of LED luminescence components parallel with one another, some groups of LED luminescence components are arranged successively along the length direction of transparent casing, often organize the flexible PCB that LED luminescence component includes regular length and the some LED chip units be connected in series be arranged on flexible PCB, the series circuit that some LED chip units be connected in series are formed is in series with current-limiting resistance, each LED chip unit comprises at least two LED pasters parallel with one another, LED paster is electrically connected with flexible PCB, flexible PCB comprises the body carrying out with LED paster being connected and the end being arranged at body and carries out the reflex part of bending backward, reflex part is arranged at the bottom of body, the position of reflex part and bulk transition is enclosed with mandrel, the radial surface of mandrel is provided with heat conductive silica gel, the bottom of reflex part is provided with the conductive contact be electrically connected with the circuit layer on flexible PCB, conductive contact is electrically connected by being connected wire with positive wire or cathode conductor, connect wire to be connected with conductive contact by the mode of welding,
All LED pasters in described LED carry out single-row equidistant arrangement in transparent casing.
2. a kind of LED according to claim 1, is characterized in that: the upper surface of described body is coated with reflective membrane.
3. a kind of LED according to claim 1, is characterized in that: described transparent casing comprises interior pipe box and is coated on the outer tube sleeve of interior pipe box outside.
4. a kind of LED according to claim 3, is characterized in that: the inwall of described interior pipe box is provided with granular male and fomale(M&F).
5. a kind of LED according to claim 3, is characterized in that: the outer surface of described outer tube sleeve is provided with granular male and fomale(M&F).
6. a kind of LED according to claim 1, is characterized in that: the outer wrap of described connection wire has gum cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654457.4A CN104456245A (en) | 2014-11-14 | 2014-11-14 | LED lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654457.4A CN104456245A (en) | 2014-11-14 | 2014-11-14 | LED lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456245A true CN104456245A (en) | 2015-03-25 |
Family
ID=52902745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410654457.4A Pending CN104456245A (en) | 2014-11-14 | 2014-11-14 | LED lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456245A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712943A (en) * | 2015-03-11 | 2015-06-17 | 江门安发电子有限公司 | Surface mount device type LED lamp string manufacturing method and lamp string manufactured with method |
| CN107781693A (en) * | 2017-11-22 | 2018-03-09 | 江门市隆信照明电器有限公司 | A kind of water-proof LED lamp belt |
| CN107893922A (en) * | 2017-11-22 | 2018-04-10 | 江门市隆信照明电器有限公司 | A kind of LED of uniformly light-emitting |
| CN107940286A (en) * | 2017-11-22 | 2018-04-20 | 江门市隆信照明电器有限公司 | A kind of LED light strip of high brightness |
| CN107957014A (en) * | 2017-12-04 | 2018-04-24 | 张文君 | A kind of light bar easy to connection |
| CN107975698A (en) * | 2017-11-22 | 2018-05-01 | 江门市隆信照明电器有限公司 | A kind of LED light strip of high-cooling property |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116883A (en) * | 1993-01-29 | 1996-02-14 | 美国3M公司 | Flexible circuit connector |
| CN101846822A (en) * | 2009-03-27 | 2010-09-29 | 胜华科技股份有限公司 | Structure of liquid crystal display device |
| CN203686730U (en) * | 2013-12-27 | 2014-07-02 | 鹤山市银雨照明有限公司 | Flat flexible neon lamp |
| CN203880492U (en) * | 2014-05-29 | 2014-10-15 | 广东酷柏光电股份有限公司 | LED lamp strip |
-
2014
- 2014-11-14 CN CN201410654457.4A patent/CN104456245A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116883A (en) * | 1993-01-29 | 1996-02-14 | 美国3M公司 | Flexible circuit connector |
| CN101846822A (en) * | 2009-03-27 | 2010-09-29 | 胜华科技股份有限公司 | Structure of liquid crystal display device |
| CN203686730U (en) * | 2013-12-27 | 2014-07-02 | 鹤山市银雨照明有限公司 | Flat flexible neon lamp |
| CN203880492U (en) * | 2014-05-29 | 2014-10-15 | 广东酷柏光电股份有限公司 | LED lamp strip |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712943A (en) * | 2015-03-11 | 2015-06-17 | 江门安发电子有限公司 | Surface mount device type LED lamp string manufacturing method and lamp string manufactured with method |
| CN107781693A (en) * | 2017-11-22 | 2018-03-09 | 江门市隆信照明电器有限公司 | A kind of water-proof LED lamp belt |
| CN107893922A (en) * | 2017-11-22 | 2018-04-10 | 江门市隆信照明电器有限公司 | A kind of LED of uniformly light-emitting |
| CN107940286A (en) * | 2017-11-22 | 2018-04-20 | 江门市隆信照明电器有限公司 | A kind of LED light strip of high brightness |
| CN107975698A (en) * | 2017-11-22 | 2018-05-01 | 江门市隆信照明电器有限公司 | A kind of LED light strip of high-cooling property |
| CN107957014A (en) * | 2017-12-04 | 2018-04-24 | 张文君 | A kind of light bar easy to connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |