CN101368699B - LED unit - Google Patents

LED unit Download PDF

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Publication number
CN101368699B
CN101368699B CN200810222358.3A CN200810222358A CN101368699B CN 101368699 B CN101368699 B CN 101368699B CN 200810222358 A CN200810222358 A CN 200810222358A CN 101368699 B CN101368699 B CN 101368699B
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CN
China
Prior art keywords
pcb board
layer
pcb
emitting diode
light emitting
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.)
Expired - Fee Related
Application number
CN200810222358.3A
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Chinese (zh)
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CN101368699A (en
Inventor
商松
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.)
Foshan endu Lighting Electrical Appliance Co. Ltd.
Original Assignee
Beijing Zhongqing Micro Digital Equipment Development 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 Beijing Zhongqing Micro Digital Equipment Development Co Ltd filed Critical Beijing Zhongqing Micro Digital Equipment Development Co Ltd
Priority to CN200810222358.3A priority Critical patent/CN101368699B/en
Publication of CN101368699A publication Critical patent/CN101368699A/en
Application granted granted Critical
Publication of CN101368699B publication Critical patent/CN101368699B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a LED unit which comprises LEDs and a PCB composite board mounted on the LED; the PCB composite board is the PCB board provided with at least two layers; parts of the PCB boards in the layers are superposed mutually; the LEDs are arranged and distributed on the PCB board on each layer. The LED unit has the advantages that large quantity of electronic components and electronic circuits can be distributed and arranged in a smaller space; the LED mounting and distribution become flexible while the mounting and distribution mode is diverse.

Description

A kind of LED unit
Technical field
The present invention relates to a kind of LED lighting device, in particular, a kind of LED unit that forms LED lighting device.
Background technology
In LED industry, pcb board directly affects life-span and the fault rate of LED as the carrier of light source.In LED lamp decoration product, in order to guarantee the superperformance quality of product, the service life that increases product and minimizing fault rate, generally all in the circuit on pcb board, a large amount of electronic devices and components are set, as: resistance is installed and is played metering function, can prevent that electric current from crossing senior general LED and burning out.In prior art, the pcb board that is applied to LED industry is individual layer pcb board or double-layer PCB board, on the surface (individual layer) of an insulated substrate, or two surfaces (bilayer) printing conductive pattern layer, then LED light emitting diode and other devices are installed on individual layer pcb board or double-layer PCB board.The size of pcb board volume directly be arranged on electronic component on PCB and the quantity of electronic circuit, and the LED light emitting diode quantity of installing is relevant, when pcb board area, cross when much, can seem very heavy, affect the application of LED lamp decoration, give transportation and install and make troubles.Individual layer pcb board is also very large to the installation of LED and other electronic devices and components and the electronic circuit restriction of arranging in addition, install and arrange very single, also underaction.
Therefore, there is defect in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is provide a kind of a large amount of electronic devices and components and electronic circuit can be installed, but the installation of take up room smaller and LED to be arranged flexibly, the diversified LED of mode unit.
Technical scheme of the present invention is as follows: a kind of LED unit, comprises LED light emitting diode and the PCB composite plate that LED light emitting diode is installed; The pcb board that described PCB composite plate is at least 2 layers, each layer of mutual part of pcb board is superimposed, and described LED light-emitting diode arrangement is on each layer of pcb board.
Described LED unit, described PCB composite plate is the pcb board of 3 to 10 layers.
Described LED unit, each layer of pcb board shape is identical, and each layer of pcb board is superimposed with the mutual part of equidirectional or position.
Described LED unit, when each layer of pcb board is superimposed along the mutual part of equidirectional or position, each pcb board size reduces gradually.
Described LED unit, each layer of pcb board shape is identical, and each layer of pcb board is superimposed with each other with different directions.
Described LED unit, the shape of each layer of pcb board is different, and when each layer of pcb board is superimposed with each other, every layer of pcb board at least forms a space.
Described LED unit, each layer of pcb board be at least following shape one of them: triangle, square, circular, star, polygon or customized graphics.
Described LED unit, at described PCB composite surface and described LED light emitting diode and described PCB composite plate chimeric place encapsulating or plated film.
Described LED unit, PCB composite plate also arranges at least one positive source line, at least one power-polar curve, at least one control signal wire and at least one control module, described control module, according to the control signal of described each control signal wire input, drives and controls described LED light emitting diode.
Described LED unit, described control module is a single line control module, described single line control module, only according to the control signal of a control signal wire input, drives and controls described LED light emitting diode.
Adopt such scheme, the present invention is by adopting the PCB composite plate of at least 2 layers, can meet in the PCB of limited horizontal space composite plate abundant electronic component and electronic circuit are installed, increased certain electronic devices and components, the electronic circuit distance of arranging each other, make to be not easy between electronic component short circuit, also can reduce between electronic circuit and disturb simultaneously, the LED light emitting diode of arranging is installed in the superimposed PCB composite plate of the mutual part of each pcb board, the installation of LED light emitting diode is arranged more flexibly, the variation of arranging is installed.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the first embodiment of the present invention;
Fig. 2 is the schematic cross-section of the second embodiment of the present invention;
Fig. 3 is the schematic diagram of the third embodiment of the present invention;
Fig. 4 is the schematic diagram of the 4th kind of embodiment of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
PCB composite plate of the present invention is at least the pcb board of 2 layers, and preferred PCB composite plate is the pcb board of 3 to 10 layers.In the PCB composite plate of 3 to 10 layers, every layer of pcb board all comprises that an insulated substrate and is printed on the conductive pattern layer on insulated substrate.What on a surface of insulated substrate, print conductive pattern layer is one side pcb board piece, what on two surfaces of insulated substrate, be printed with respectively conductive pattern layer is double-sided PCB board piece, the PCB composite plate of 3 to 10 layers can only consist of one side pcb board piece, also can only by double-sided PCB board piece, be formed, can also be combined and formed by one side pcb board piece and double-sided PCB board piece, concrete formation be determined according to specific needs.Between two adjacent pcb board pieces, an insulation adhesive sheet is set; insulation adhesive sheet is adhesive material; with insulation adhesive sheet, each pcb board piece is bonded to an integral body; thereby can make a whole PCB composite plate of 3 to 10 layers; can more effectively reduce the overall volume of PCB composite plate, insulation adhesive sheet can also play the effect of protection conductive pattern layer.
For example: 3 layers of PCB composite plate can be comprised of a double-sided PCB board piece and an one side pcb board piece; 3 layers of PCB composite plate also can be by three one side pcb board pieces with forming.
4 layers of PCB composite plate can be comprised of two double-sided PCB board pieces, or are comprised of two one side pcb board pieces and a double-sided PCB board piece, or are comprised of four one side pcb board pieces.
8 layers of PCB composite plate can be comprised of four double-sided PCB boards, or formed by two one side pcb board pieces and three double-sided PCB board pieces, or formed by four one side pcb board pieces and two double-sided PCB board pieces, or formed by six one side pcb board pieces and a double-sided PCB board piece, or formed by eight one side pcb board pieces.
Generally, to there being independently pcb board piece of some layers, respectively each insulation adhesive sheet is arranged between adjacent layer pcb board piece, by each layer independently pcb board piece be bonded to a whole PCB composite plate.
PCB composite plate of the present invention can all adopt one side pcb board piece, also can all adopt double-sided PCB board piece, can also adopt the combination of one side pcb board piece and double-sided PCB board piece, as long as reach at each pcb board layer, at least one LED light emitting diode of arranging is installed respectively.
As shown in Figure 1, each layer of pcb board shape is identical, and each layer of pcb board is superimposed with each other along identical direction position centered by same point, and each pcb board size reduces gradually, superimposed to reach each layer of pcb board energy part.For example: superimposed with pcb board 101, pcb board 102 and the mutual part of pcb board 103 that pcb board 101 is same center position along same direction and the central point of pcb board 101 of take, when being superimposed with each other, pcb board size reduces gradually,, pcb board 102 is identical with pcb board 101 shapes, and, along same direction with same point center position, be superimposed with each other, pcb board 102 is less No. one than pcb board 101, at two pcb boards when superimposed, pcb board layer 101 part are superimposed, and each LED light emitting diode is arranged on the place that is not superimposed of pcb board layer 101.And for example pcb board 103 is identical with pcb board 102 shapes, and, along same direction and same position, be superimposed with each other, pcb board 103 is less No. one than pcb board 102, at two pcb boards, when superimposed, pcb board layer 102 part are superimposed, and each LED light emitting diode is arranged on the place that is not superimposed of pcb board layer 102; So analogize.Each layer of pcb board of PCB composite plate arranges at least one LED light emitting diode.As: LED light emitting diode 106 is installed and is arranged in pcb board layer 101, LED light emitting diode 105 is installed and is arranged in pcb board layer 102, LED light emitting diode 104 is installed and is arranged in pcb board layer 103, and, each LED light emitting diode of installing on each layer of pcb board is installed in the same direction, that is, LED light emitting diode 104, LED light emitting diode 105 are identical with LED light emitting diode 106 exiting surface directions.
On the conductive pattern layer of each pcb board layer, all install or be printed with a large amount of electronic devices and components and electronic circuit, for the LED light emitting diode that is arranged on each layer is normally worked as required.As: power line is set, to guarantee the power supply source of LED lumination of light emitting diode, resistance is and for example set, excessive to prevent the electric current of power supply circuits, or prevent LED light emitting diode to burn out.In order to make LED specious, and the dot spacing of minimizing LED light emitting diode, at less area, more LED light emitting diode is installed, on pcb board, install or the electronic devices and components of printing and the superimposed place that electronic circuit is all arranged on each pcb board layer.
The identical pcb board piece of each shape that forms PCB composite plate, its shape is different according to the occasion of application, or be triangle or for square or for circular or for star or for polygon or be that other are irregularly shaped.For example, the PCB composite plate finally forming can be hollow, linear, bar shaped, annular, chain, U word, water chestnut, semicircle, circle, ellipse, cylinder, trapezoidal, square, net form, prismatic, triangle, quadrangle, regular polygon, star, tree-like, regular shape combination, irregularly shaped combination, various customized graphicses etc.Customized graphics is as Santa Claus, snowman etc., and the present invention does not impose any restrictions this.
According to the occasion needs of application, each pcb board piece that forms PCB composite plate can be flexible PCB plate, can be also rigidity pcb board piece, or is both combination.Rigidity pcb board piece has certain mechanical strength, and the parts of dressing up with it have certain bending resistance, in use in flattened state.Flexible PCB plate is to take soft laminated plastics or other soft insulating materials to make as base material, and its made parts can be crooked and flexible, in use can be according to installation requirement by its bending moulding.And had under certain mechanical strength by the PCB composite plate of rigidity pcb board piece and the combination of flexible PCB plate, can carry out bending moulding to a certain degree.
More particularly, a certain pcb board piece can be the combination of flexible PCB plate and rigidity pcb board piece, that is, its part is flexible PCB plate, and part is rigidity pcb board piece; For example, the rigidity pcb board interblock row of the flexible PCB plate of pcb board piece bar shaped and bar shaped form, i.e. the flexible PCB plate A of a row bar shaped, and side is the rigidity pcb board piece B of a row bar shaped, the another side of rigidity pcb board piece B is the flexible PCB plate C of a row bar shaped, is arranged in order.
As shown in Figure 2, identical shaped each layer pcb board can also be along same direction, superimposed with the mutual part of different center position, and, each layer of pcb board measure-alike.In Fig. 2, pcb board layer 206, pcb board layer 204 and pcb board layer 202 are the identical and measure-alike pcb board layers of three shapes, three pcb board layers are along same level direction, centered by diverse location, put mutual part superimposed, and, on each pcb board layer, at least form a space, each pcb board layer is at least installed a LED light emitting diode, and each LED light emitting diode is installed and is arranged on each space.
Each layer of pcb board that shape is identical, along same direction, when superimposed with the mutual part of different center position, the size of each layer of pcb board can be also difference, as long as reach can each pcb board part superimposed.In Fig. 2, pcb board layer 206, pcb board layer 208 and the outer pcb board layer that three shapes are identical and size is not identical of pcb board layer 210, pcb board layer 206, pcb board layer 208 and pcb board layer 210 are when part is superimposed mutually, on each pcb board layer, at least form a space, each pcb board layer is at least installed a LED light emitting diode, and each LED light emitting diode is installed and is arranged on each space.
At least one LED light emitting diode of arranging is installed on each pcb board layer, and each LED light emitting diode not only can be installed and arrange along identical exiting surface direction, can also install and arrange along different exiting surface directions.In Fig. 2, along level direction up, LED light emitting diode 201 is installed and is arranged on pcb board layer 202, and LED light emitting diode 203 is installed and is arranged on pcb board layer 204; Along level direction down, LED light emitting diode 209 is installed and is arranged in pcb board layer 210, and LED light emitting diode 211 is installed and is arranged in pcb board layer 208; Along level to right, LED light emitting diode 205 is arranged in pcb board layer 206, and LED light emitting diode 207 is installed and is arranged in pcb board layer 208.So, each LED light emitting diode can be installed and arrange along 360 degree different directions, and the light of all directions is even, and brightness is large, and visual angle is wider, and decorative effect is relatively good.Each electronic devices and components and electronic circuit are arranged on each layer of superimposed place of pcb board, for LED light emitting diode is normally worked as required.
As shown in Figure 3, shape is identical, and the same each layer of pcb board of size be when being superimposed with each other, can be along same center and superimposed toward different angles direction, to reach LED light emitting diode, can install and be arranged on each pcb board layer, make LED light emitting diode that the variation of arranging is installed.Pcb board layer as: pcb board layer 301, pcb board layer 303, pcb board layer 305 and the pcb board layer 307 that forms PCB composite plate is the identical and size of shape, take pcb board 305 as horizontal pcb board, centered by pcb board 305 center, put position, pcb board layer 301, pcb board layer 303 and pcb board layer 307 are superimposed with each other with an angle of 90 degrees, 30 degree angles and 120 directions of spending angles of horizontal direction respectively, each pcb board is stacked while closing, part is superimposed each other, on each pcb board layer, to I haven't seen you for ages, form a space, each LED light emitting diode is installed and is arranged in place, space.As: LED light emitting diode 302 is installed the place, space that is arranged in pcb board layer 301, LED light emitting diode 304 is installed the place, space that is arranged in pcb board layer 303, LED light emitting diode 306 is installed the place, space that is arranged in pcb board layer 305, LED light emitting diode 308 is installed the place, space that is arranged in pcb board layer 307, so analogizes.
As shown in Figure 4, each layer of pcb board that forms PCB composite plate is the different pcb board of shape, each layer of pcb board can be following shape wherein: hollow, linear, bar shaped, annular, U word, water chestnut, semicircle, circle, ellipse, cylinder, trapezoidal, square, net form, prismatic, triangle, quadrangle, regular polygon, star, tree-like and customized graphics, wherein customized graphics can be flower, animal etc.For example: pcb board layer 401 is rectangle pcb board layer, pcb board layer 403 is triangle pcb board layer, and pcb board layer 405 is oval pcb board layer, and each layer of pcb board is when being superimposed with each other, in each pcb board layer, at least form a space, each LED light emitting diode is installed and is arranged in space.As: LED light emitting diode 402 is installed in the space that is arranged in 401 formation of rectangle pcb board layer, LED light emitting diode 404 is installed in the space that is arranged in 403 formation of triangle pcb board layer, and LED light emitting diode 406 is installed in the space that is arranged in oval pcb board layer 405 formation.Each electronic devices and components and electronic circuit are arranged on each layer of superimposed place of pcb board, for LED light emitting diode is normally worked as required.
When the different pcb board layer of two adjacent shapes of composition PCB composite plate is superimposed with each other, also to I haven't seen you for ages, form a passage.At least 2 layers of stacked closing the some passages of formation of pcb board that shape is different, the electronic circuit that can make to be arranged in PCB composite plate is drawn by different passages, avoids circuit chaotic, influences each other and causes short circuit; Simultaneously according to shape and the quantity of the LED light emitting diode of each layer of installation, other electronic components and electronic circuit, pcb board piece is arranged to difformity, each layer of pcb board piece can be set to minimum, when reducing costs, make the small volume and less weight more of PCB composite plate.
Each variform pcb board layer is superimposed with each other, and superimposed mode is various, makes the also variation of arranging of LED light emitting diode, can install and arrange as required, and decorative effect is very good.Fixing firm in order to make between two adjacent pcb board layers, can in each layer of pcb board piece, chimeric tooth and embeded slot be set, when assembling or bonding, each layer of pcb board piece can be positioned at together easily like this.
Each PCB layer of each LED light emitting diode and PCB composite plate is all set to an integral body above; for example: can be to installing the PCB composite plate of LED light emitting diode; carry out encapsulating or plated film; each LED light emitting diode and PCB composite plate are become as a whole; can make each LED light emitting diode and PCB composite plate stable connection; and also can shield to each LED light emitting diode and PCB composite plate, as play waterproof and dustproof.
In the present invention, LED unit is a composition pith of LED product, make the LED light emitting diode in LED unit normally luminous, and at least one positive source circuit, at least one power cathode circuit are set in PCB composite plate.Positive source line is connected with external power supply positive and negative electrode respectively with power-polar curve, for voltage being provided to PCB composite plate.In addition, positive source line and power-polar curve also can be set to respectively one or more, can be using wherein a positive source line and a power-polar curve as the positive and negative polar curve of main power source, other are the positive and negative polar curve of stand-by power supply, or using many positive and negative polar curves of power supply all as the positive and negative line of main power source, be separately positioned in each layer of PCB composite plate, specifically arrange, be not described further herein.
In order to drive to control, be arranged on each LED light emitting diode in PCB composite plate, can independently control each LED light emitting diode, thereby realize flicker, animation texts, one control module is also set in PCB composite plate, control module, according to the control signal of at least one control signal wire transmission, is controlled each LED light emitting diode to drive.The LED light emitting diode arranging in PCB composite plate is a plurality of, each LED light emitting diode can be in red LED light emitting diode, blue led light emitting diode and green LED light emitting diode a kind of, or be the combination of two kinds of colors wherein, or be the combination of three kinds of colors.When the control module adopting is single wire transmission control module, the control signal wire of single wire transmission control signal is only the control signal wire being comprised of a wire.As: the single line control module in PCB composite plate is in Beijing, to celebrate the single line control chip ZQL1111 that micro-digital device exploitation has Co., Ltd to produce, single line control chip ZQL1111 is by the control signal wire transmission of control signals being comprised of a wire, and, according to the control signal of transmission, drive and control LED light emitting diode 103; The present invention is also unrestricted to this.
In above-mentioned each example, described LED, can be OLED (Organic light-emitting diode, Organic Light Emitting Diode), and the present invention does not make any additional limits to this.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.

Claims (6)

1. a LED unit, comprises LED light emitting diode and the PCB composite plate that LED light emitting diode is installed; It is characterized in that,
The pcb board that described PCB composite plate is at least 2 layers, each layer of mutual part of pcb board is superimposed, and described LED light-emitting diode arrangement is on each layer of pcb board; The shape of each layer of pcb board is different, and when each layer of pcb board is superimposed with each other, every layer of pcb board at least forms a space; When described adjacent pcb board layer is superimposed with each other, at least form a passage;
Every layer of pcb board all comprises that an insulated substrate and is printed on the conductive pattern layer on insulated substrate;
One insulation adhesive sheet is set, for described pcb board being bonded to an integral body between adjacent described pcb board;
At least one positive source circuit, at least one power cathode circuit are set in PCB composite plate.
2. LED according to claim 1 unit, is characterized in that, described PCB composite plate is the pcb board of 3 to 10 layers.
3. according to the arbitrary described LED unit of claim 1 to 2, it is characterized in that: each layer of pcb board be at least following shape one of them: triangle, square, circular, star, polygon or customized graphics.
4. according to the arbitrary described LED unit of claim 1 to 2, it is characterized in that: at described PCB composite surface and described LED light emitting diode and described PCB composite plate chimeric place encapsulating or plated film.
5. according to the arbitrary described LED unit of claim 1 to 2, it is characterized in that, PCB composite plate also arranges at least one positive source line, at least one power-polar curve, at least one control signal wire and at least one control module, described control module, according to the control signal of described each control signal wire input, drives and controls described LED light emitting diode.
6. LED according to claim 5 unit, is characterized in that, described control module is a single line control module, and described single line control module, only according to the control signal of a control signal wire input, drives and controls described LED light emitting diode.
CN200810222358.3A 2008-09-17 2008-09-17 LED unit Expired - Fee Related CN101368699B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810222358.3A CN101368699B (en) 2008-09-17 2008-09-17 LED unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810222358.3A CN101368699B (en) 2008-09-17 2008-09-17 LED unit

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CN101368699A CN101368699A (en) 2009-02-18
CN101368699B true CN101368699B (en) 2014-09-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111481758A (en) * 2019-01-25 2020-08-04 深圳核心医疗科技有限公司 Ventricular assist device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2337636Y (en) * 1998-08-07 1999-09-08 尚志广 Multiple-colour variable electronic neon lamp luminous plate
CN2348246Y (en) * 1998-09-14 1999-11-10 光磊科技股份有限公司 Composite luminous diode lamps and lanterns
CN201339881Y (en) * 2008-09-17 2009-11-04 北京中庆微数字设备开发有限公司 LED unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2337636Y (en) * 1998-08-07 1999-09-08 尚志广 Multiple-colour variable electronic neon lamp luminous plate
CN2348246Y (en) * 1998-09-14 1999-11-10 光磊科技股份有限公司 Composite luminous diode lamps and lanterns
CN201339881Y (en) * 2008-09-17 2009-11-04 北京中庆微数字设备开发有限公司 LED unit

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Address after: 528244, No. 23, No., Lishui Avenue, Lishui Town, Nanhai District, Guangdong, China

Patentee after: Foshan endu Lighting Electrical Appliance Co. Ltd.

Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402A power Creative Park

Patentee before: Beijing Zhongqing Micro Digital Equipment Development Co., Ltd.

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