CN101640012B - LED display module - Google Patents
LED display module Download PDFInfo
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- CN101640012B CN101640012B CN200910092022.4A CN200910092022A CN101640012B CN 101640012 B CN101640012 B CN 101640012B CN 200910092022 A CN200910092022 A CN 200910092022A CN 101640012 B CN101640012 B CN 101640012B
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- led
- pcb board
- lamp plate
- led lamp
- display module
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Abstract
The invention discloses an LED display module, comprising a control board and at least one LED lamp panel, wherein, the control board comprises a first PCB and a control circuit, and the control circuit is used for providing control signal to the LED lamp panel by the first PCB; and the LED lamp panel comprises a second PCB, a column drive circuit and LED pixel points, the LED pixel points are arranged on the front face of the second PCB, and the column drive circuit is arranged on the rear face of the second PCB for receiving the control signal and driving the LED pixel points to illuminate according to the control signal. The LED display module greatly reduces signal transmission connecting points between the control board and the LED lamp panel, improves stability and reliability of signal transmission, solves the problem of heat dissipation of the whole LED display module structure, saves PCB materials and reduces the weight of the whole LED display module.
Description
Technical field
The present invention relates to LED and show field, in particular a kind of LED display module.
Background technology
LED display module row, column driving circuit all designs on control panel at present, and LED display module is connected together by row's cushion by control panel and a plurality of LED lattice luminescent module, and row's pin plays fixing and signal transmission effect simultaneously.
Be illustrated in figure 1 the structural representation of the central LED display module of prior art, LED lamp is arranged in and on pcb board, forms LED lamp plate with array format, LED lamp is connected with the driving chip on control panel by row's pin, because each single lamp (static state) on LED lattice luminescent module or each row lamp (scanning) all need a row control signal, in addition the horizontal-drive signal that every row needs, so LED lattice luminescent module need to be used more row's pin to be connected with control panel.
The tri coloured lantern plate that 8 * 8 pixels 4 of take are swept is example, because each row lamp on lamp plate all needs a control signal, therefore control panel need to be to LED lamp plate transmission (8 * 8 * 3) ÷ 4=48 column signal, row drive part transmits 48 signals altogether, means that just listing drive part control panel need to provide 48 row's pins for transmission column signal to LED lamp plate.
In addition, owing to connecting the column signal of LED lamp negative pole and all take from the column drive circuit of control panel, so on LED lamp plate, the variation of lamp point quantity directly has influence on the tie point quantity of control panel and LED lamp plate, and the two is directly proportional, and lamp point is more, and connection is counted more;
In addition, the structure adaptation of LED display module is as shown in Figure 1 larger, and as can be seen from Figure 1, the display module of prior art exists densely arranged row's pin and lamp point, and this structure is obviously unfavorable for heat radiation.
Prior art is because tie point between control panel and LED lamp plate is more, greatly reduce signal transmission Stability and dependability, be not easy to the hardware connection mode of flexible processing controls plate and LED lamp plate, row's pin welding manner that it adopts is that production processing belt is next difficult, and the maintenance in later stage, detection dismantlement work are brought to great difficulty.
Therefore, there is defect in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is for the deficiencies in the prior art,
Technical scheme of the present invention is as follows:
A LED display module, comprising: control panel and at least one LED lamp plate; Described control panel comprises the first pcb board and control circuit, and described control circuit is arranged on described the first pcb board, is connected to described LED lamp plate, for providing control signal by described the first pcb board to described LED lamp plate; Described LED lamp plate comprises the second pcb board, column drive circuit and at least one LED pixel, described LED pixel is arranged at the front of described the second pcb board, described column drive circuit is arranged at the back side of described the second pcb board, be used for receiving described control signal, according to described control signal, drive described in each LED pixel luminous.
Described LED display module, described LED lamp plate also comprises the row's of pegging graft pin, described control panel correspondence comprises the grafting row pin position being arranged on described the first pcb board; Described grafting row pin is fixed on the back side of described the second pcb board, and one end is electrically connected to described column drive circuit, and the other end is arranged pin position with described grafting and is electrically connected to, for to described column drive circuit transmission of control signals.
Described LED display module, described LED lamp plate comprises 64 LED pixels, described 64 LED pixels form 8 and take advantage of 8 quadrate array.
Described LED display module, described LED pixel comprises at least one blue led, at least one red LED, at least one green LED.
Described LED display module, described column drive circuit bundled encapsulation is at the back side of described the second pcb board.
Described LED display module, described LED lamp plate also comprises a sealed light-transmitting face shield, by LED chip bundled encapsulation, the front at described the second pcb board forms described LED pixel, described sealed light-transmitting face shield covers described LED chip, and described sealed light-transmitting face shield and described the second pcb board are sealed into one.
Described LED display module, is characterized in that, described sealed light-transmitting face shield extends to form at least one support portion along described the second pcb board back side normal direction, for supporting described LED lamp plate.
Described LED display module, extends to form four described support portions, is arranged at respectively four jiaos of described sealed light-transmitting face shield.
Described LED display module, extends to form four described support portions, is symmetricly set between two four limits of described sealed light-transmitting face shield.
Described LED display module, described support portion is set to the back side higher than described sealed light-transmitting face shield.。
Adopt such scheme, the present invention compared with prior art, has the following advantages:
1, the column signal that wherein connects LED lamp negative pole is all the local output of driving circuit, because driving circuit can cascade, on this programme LED lamp plate, the variation of lamp point quantity can not affect the tie point quantity of control panel and LED lamp plate, greatly reduce the signal transmission tie point between control panel and LED lamp plate simultaneously, improved the Stability and dependability of signal transmission;
2, be conducive to flexible processing controls plate and be connected with the hardware of LED lamp plate, simplify production and processing process
3, for convenience detach, reduce later period maintenance cost and difficulty;
4, because the driving circuit on former control panel is transferred on LED lamp plate, on former like this control panel, the position of driving circuit can be by hollow out, not only can solve well the heat dissipation problem of whole LED display module structure, can also save PCB material, alleviate the weight of whole LED display module.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of LED display module of the present invention;
Fig. 3 is the structural representation of control panel of the present invention;
Fig. 4 is the structural representation in LED lamp plate of the present invention front;
Fig. 5 is the structural representation at the LED lamp plate of the present invention back side;
Fig. 6 is the signal definition schematic diagram at the LED lamp plate of the present invention back side
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of LED display module, with reference to figure 2, Fig. 3, Fig. 4 and Fig. 5, comprise: control panel 10 and at least one LED lamp plate 20, described control panel 10 comprises the first pcb board 101 and control circuit 102, described control circuit is for providing control signal by described the first pcb board 101 to described LED lamp plate 20, described LED lamp plate 20 comprises the second pcb board 206, column drive circuit 205 and LED pixel 201, described LED pixel 201 is placed in the front of described the second pcb board 206, described column drive circuit is placed in the back side of described the second pcb board 206, be used for receiving described control signal, according to described control signal, drive described LED pixel 201 luminous, like this, the present invention is by transferring to column drive circuit 205 above LED lamp plate, on former like this control panel 10, the position of driving circuit can be by hollow out or do not arrange any components and parts, thereby can solve well the heat dissipation problem of whole LED display module structure, can also save PCB material, alleviate whole LED display module weight, reduce the signal transmission tie point between control panel and LED lamp plate, improved the Stability and dependability of signal transmission, be conducive to flexible processing controls plate and be connected with the hardware of LED lamp plate, simplify production and processing process, for convenience detach, reduce later period maintenance cost and difficulty.
Preferably, this LED lamp plate also comprises the row's of pegging graft pin, described grafting row pin is fixed on the back side of described the second pcb board 206, one end of the row's of pegging graft pin is electrically connected to described column drive circuit, accordingly, on the first pcb board 101, arrange identical with above-mentioned grafting row pin quantity, the grafting row pin position of size coupling, the other end that makes above-mentioned grafting arrange pin is arranged the realization of pin position with described the first pcb board 101 by grafting and is electrically connected to, be used for to described column drive circuit 205 transmission of control signals, the volume cost those skilled in the art of above-mentioned grafting row pin can freely select according to the dissimilar of lamp plate, for example, the tri coloured lantern plate that 8 * 8 pixels 4 of take are swept is example, as shown in Figure 6, the signal definition of respectively arranging pin for this kind of lamp plate, in figure, the left side one row row pin drives chip to be electrically connected to top, the right one row row pin drives chip to be electrically connected to bottom, with the right one, classify example as, each signal is followed successively by from top to bottom: row signal H1, row signal H2, ground connection GND, enable signal OE, data output DOUT, ground connection GND, outer meeting resistance input REX, power supply VCC, data input DIN, clock SCK, be written into signal LAT, ground connection GND, row signal H3 and row signal H4, the left side one row are identical with above-mentioned signal definition from bottom to up, repeat no more, the row's of employing pin connects control panel 10 and LED lamp plate 20, not only can signal transmission can also play the effect of fixed L ED lamp plate.
Embodiment 2
On the basis of embodiment 1, preferably, LED lamp plate in described in the present embodiment comprises 64 LED pixels, described 64 LED pixels form 8 and take advantage of 8 quadrate array, LED lamp plate as shown in Figure 4 forms 8 by 64 same LED pixels 201 and takes advantage of 8 quadrate array, such quadrate array, convenient installation, easy to use.
Or preferred, above-mentioned LED pixel is comprised of at least one blue led, at least one red LED, at least one green LED, above-mentioned LED can adopt the LED lamp of arbitrary shape, any encapsulating structure as required.
Or, preferably, the present embodiment is the integrated face shield 202 of sealed light-transmitting on LED lamp plate 20, this lampshade is the structure of water-tight, on its surface, comprise 64 through holes, this face shield and the sealing of the second pcb board are fixed together, like this, each through hole inside holds a LED pixel, in through hole, inject transparent material, at the second pcb board and face shield joint, also do encapsulation process, make its integral sealing and the light of LED pixel can be transmitted, the LED lamp plate of design can waterproof like this, and visual effect is better.
Or preferred, the back side of the second pcb board in above-mentioned LED lamp plate, in order to reduce costs, and saves PCB space, driving circuit 205 can be bound to (Bonding) at the back side of the second pcb board.
Embodiment 3
On the basis of above-described embodiment, preferably, the present embodiment by described sealed light-transmitting face shield 203 along described the second pcb board 206 back side normal directions, perpendicular to the direction of the second pcb board, extend to form support portion 203, described LED lamp plate 20, for when LED lamp plate 20 is arranged on control panel 10, is supported in described support portion 203, makes LED lamp plate 20 be unlikely to left and right, teetertotter.
Further, a preferred example, four support portions 203 can be set, above-mentioned support portion 203 is arranged on to four pin of described sealed light-transmitting face shield 202, as shown in Figure 4, above-mentioned support portion 203 can be higher than above-mentioned sealed light-transmitting face shield 202 back sides, like this after installing simultaneously, between LED lamp plate 20 and control panel 10, can leave space, so that heat radiation; Another example, can also be symmetricly set on above-mentioned four support portions 203 on the four edges of described sealed light-transmitting face shield 202 between two, and every limit arranges a support portion, and adjacent supports portion distance equates.
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 (5)
1. a LED display module, is characterized in that, comprising: control panel and at least one LED lamp plate; Described control panel comprises the first pcb board and control circuit, and described control circuit is arranged on described the first pcb board, is connected to described LED lamp plate, for providing control signal by described the first pcb board to described LED lamp plate; Described LED lamp plate comprises the second pcb board, column drive circuit and at least one LED pixel, described LED pixel is arranged at the front of described the second pcb board, described column drive circuit is arranged at the back side of described the second pcb board, be used for receiving described control signal, according to described control signal, drive described in each LED pixel luminous;
Described LED lamp plate also comprises the row's of pegging graft pin, and described control panel correspondence comprises the grafting row pin position being arranged on described the first pcb board; Described grafting row pin is fixed on the back side of described the second pcb board, and one end is electrically connected to described column drive circuit, and the other end is arranged pin position with described grafting and is electrically connected to, for to described column drive circuit transmission of control signals;
Described LED lamp plate comprises 64 LED pixels, and described 64 LED pixels form 8 and take advantage of 8 quadrate array;
Described LED pixel comprises at least one blue led, at least one red LED, at least one green LED;
Described column drive circuit bundled encapsulation is at the back side of described the second pcb board;
Described LED lamp plate also comprises a sealed light-transmitting face shield, by LED chip bundled encapsulation, the front at described the second pcb board forms described LED pixel, described sealed light-transmitting face shield covers described LED chip, and described sealed light-transmitting face shield and described the second pcb board are sealed into one.
2. LED display module according to claim 1, is characterized in that, described sealed light-transmitting face shield extends to form at least one support portion along described the second pcb board back side normal direction, for supporting described LED lamp plate.
3. LED display module according to claim 2, is characterized in that, extends to form four described support portions, is arranged at respectively four jiaos of described sealed light-transmitting face shield.
4. LED display module according to claim 2, is characterized in that, extends to form four described support portions, is symmetricly set between two four limits of described sealed light-transmitting face shield.
5. according to claim 3 and 4 arbitrary described LED display modules, it is characterized in that, described support portion is set to the back side higher than described sealed light-transmitting face shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092022.4A CN101640012B (en) | 2009-09-04 | 2009-09-04 | LED display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092022.4A CN101640012B (en) | 2009-09-04 | 2009-09-04 | LED display module |
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| CN101640012A CN101640012A (en) | 2010-02-03 |
| CN101640012B true CN101640012B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910092022.4A Expired - Fee Related CN101640012B (en) | 2009-09-04 | 2009-09-04 | LED display module |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056408B (en) * | 2011-01-07 | 2015-11-18 | 深圳市中庆微科技开发有限公司 | A kind of pcb board of copper column type welding and LED display |
| CN102149250B (en) * | 2011-01-10 | 2016-04-27 | 深圳市中庆微科技开发有限公司 | A kind of pcb board of contact pin type welding and LED display |
| CN103208239B (en) * | 2013-04-01 | 2015-04-15 | 长春希达电子技术有限公司 | LED (light emitting diode) display unit panel with shading films |
| CN103208241B (en) * | 2013-04-02 | 2015-04-15 | 长春希达电子技术有限公司 | Double-face composite LED (light-emitting diode) display unit plate and packaging method thereof |
| CN103354067A (en) * | 2013-06-21 | 2013-10-16 | 北京金立翔艺彩科技股份有限公司 | Led display unit |
| CN104091538B (en) * | 2014-07-10 | 2016-08-31 | 东莞市光劲光电有限公司 | A kind of LED dot array module and production technology thereof |
| CN104882531A (en) * | 2015-06-08 | 2015-09-02 | 杨子龙 | LED integrated light-emitting module group |
| CN106205409A (en) * | 2016-09-22 | 2016-12-07 | 深圳市奥蕾达科技有限公司 | A kind of LED strip screen and LED strip screen unit |
| CN106488395B (en) * | 2016-11-28 | 2019-09-27 | 石狮市森科智能科技有限公司 | A kind of LED display methods based on Bluetooth transmission protocol |
| CN208538435U (en) | 2018-08-01 | 2019-02-22 | 京东方科技集团股份有限公司 | A kind of display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691637A1 (en) * | 1994-07-07 | 1996-01-10 | Gerhard Abler | Illuminated display for advertising, information or similar |
| CN2741133Y (en) * | 2004-09-07 | 2005-11-16 | 张艳君 | LED lattice displaying module with shared pixels |
| CN200959195Y (en) * | 2006-08-18 | 2007-10-10 | 兰侠 | Pixel structure for LED display screen |
| CN200965760Y (en) * | 2006-11-07 | 2007-10-24 | 深圳市艾比森实业有限公司 | Split-type surface mounted full color LED display unit |
| CN201044149Y (en) * | 2007-06-05 | 2008-04-02 | 深圳市共达光电器件有限公司 | LED color display unit |
| CN201100902Y (en) * | 2008-03-24 | 2008-08-13 | 刘振亮 | LED display module veil and its display module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06187575A (en) * | 1992-12-16 | 1994-07-08 | Matsushita Electric Ind Co Ltd | Led display |
-
2009
- 2009-09-04 CN CN200910092022.4A patent/CN101640012B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691637A1 (en) * | 1994-07-07 | 1996-01-10 | Gerhard Abler | Illuminated display for advertising, information or similar |
| CN2741133Y (en) * | 2004-09-07 | 2005-11-16 | 张艳君 | LED lattice displaying module with shared pixels |
| CN200959195Y (en) * | 2006-08-18 | 2007-10-10 | 兰侠 | Pixel structure for LED display screen |
| CN200965760Y (en) * | 2006-11-07 | 2007-10-24 | 深圳市艾比森实业有限公司 | Split-type surface mounted full color LED display unit |
| CN201044149Y (en) * | 2007-06-05 | 2008-04-02 | 深圳市共达光电器件有限公司 | LED color display unit |
| CN201100902Y (en) * | 2008-03-24 | 2008-08-13 | 刘振亮 | LED display module veil and its display module |
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| CN101640012A (en) | 2010-02-03 |
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