CN205122118U - Lamp drive -in -one LED (Light -Emitting diode) display screen module - Google Patents
Lamp drive -in -one LED (Light -Emitting diode) display screen module Download PDFInfo
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- CN205122118U CN205122118U CN201520898562.2U CN201520898562U CN205122118U CN 205122118 U CN205122118 U CN 205122118U CN 201520898562 U CN201520898562 U CN 201520898562U CN 205122118 U CN205122118 U CN 205122118U
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Abstract
The utility model belongs to the technical field of the LED display screen, concretely relates to lamp drive -in -one LED (Light -Emitting diode) display screen module, concrete technical scheme does: a lamp drive -in -one LED (Light -Emitting diode) display screen module, including shell and the circuit board of setting in the shell, cavity and outer cavity in the shell is split into to the circuit board, the lamp plate has been arranged at the top of circuit board, the equidistance equipartition has a plurality of LED lamp pearls on the lamp plate, it is indoor that the exocoel is arranged in to a plurality of LED lamp pearls, driver chip and control chip are equipped with to direct subsides the in bottom of lamp plate, driver chip and control chip all adopt QFN packaging technique, driver chip and control chip all arrange in the control cavity, QFN packaging technique has solved LED display screen module because arrange the problem that the produced inductive effect of needle makeed the color definition decline of LED display screen, the problem of this inductive effect increase the electromagnetic interference chance is solved, production processes reduces one, the labor cost is also reduced.
Description
Technical field
The utility model belongs to LED display technical field, is specifically related to the LED display module that a kind of lamp drives unification.
Background technology
At present, along with LED is more and more widely used, be used to the fields such as illumination, backlight widely except white light LEDs, the white light mixed by RGB also will be approved by people in requirements at the higher level field.With regard to RGB itself, be applied to decoration and realize large screen display by it as pixel and be also more and more widely used.The heat dispersion of LED screen is poor, due to the heat affecting LED normal luminous performance that driving chip produces, and then affects the color uniformity of monoblock display screen, and be all the design adopting lamp to drive separation mostly at present, cost is high, and practical function is poor.
Utility model content
The lamp existed for solving prior art drives the poor and technical matters of display screen performance instability of separations, heat dispersion, and the utility model provides the LED display module that a kind of lamp drives unification, and cost is low, perfect heat-dissipating, the clear color of display screen, stable performance.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of lamp drives the LED display module of unification, comprise transparent face mask, shell and setting circuit board in the enclosure, transparent face mask covers the top at shell, shell divide is inner cavity chamber and outer chamber by circuit board, the top layout of circuit board has lamp plate, lamp plate is equidistantly evenly equipped with multiple LED lamp bead, multiple LED lamp bead is placed in outer chamber, transparent face mask can not affect the display effect of LED lamp bead, and transparent face mask is movably connected on shell, easy accessibility is very practical.The bottom of lamp plate is directly pasted with driving chip and control chip, driving chip and control chip all adopt QFN encapsulation technology, driving chip and control chip are all placed in control chamber indoor, QFN encapsulation technology solves the problem that LED display module makes the clear color degree of LED display decline because of the inductive effect that row's pin produces, solve the problem that this inductive effect increases electromagnetic interference (EMI) chance, decrease one production process, reduce cost of labor.
The device improving heat dispersion is further: in inner cavity chamber, equidistant placement has many radiating tubes, one end of radiating tube is led to filtrator, the other end of radiating tube is connected with induced draft fan, filtrator and induced draft fan symmetry are arranged on shell, the air inlet of filtrator is connected with extraneous air, the exhaust outlet of induced draft fan is connected with extraneous air, under the effect of induced draft fan, extraneous cold wind is by many radiating tubes, many radiating tubes can reduce the temperature in inner cavity chamber, ensure that LED lamp bead can not affect properties of product because of high temperature.
Wherein, the bottom of transparent face mask to extend in outer chamber and is placed on annular boss, and between annular boss and top board, piling has Gask-O-Seal, Gask-O-Seal water proof and dust proof.
Wherein, LED lamp bead comprises support, and the top of support is sealed by hemispheric packaging body, and the bottom of support is fitted with two pins, two pins are arranged in parallel, two pins extend in packaging body through after support, intrinsic R, G, B tri-kinds of chips on support, and three kinds of chips and two pins are electrically connected, change the structure that traditional red, green, blue Three kinds of hors d'oeuvres one forms All colour light source, there is better illumination effect, save raw material and cost, simplify production technology.
Wherein, the concrete structure of shell is: be once furnished with plastic outer layer, separation layer, metal net layer and flame-retardant layer from the inside to the outside, separation layer is metal material layer, electronic component in housing is isolated from the outside by separation layer, the signal in extraneous signal disturbing housing is avoided to export or display, metal net layer adds the structural strength of housing, and flame-retardant layer can increase fire protecting performance of the present invention, improves safety coefficient.
Wherein, be also furnished with the first spool in shell, control chamber is connected with the outside of shell by the first spool, and the first spool is placed in immediately below driving chip, and the cable be connected with driving chip is connected with external unit through after the first spool.
Wherein, be also furnished with the second spool in shell, control chamber is connected with the outside of shell by the second spool, and the second spool is placed in immediately below control chip, and the cable be connected with control chip is connected with external unit through after the second spool.
First spool and the second spool are convenient to winding displacement, and the cable in shell is in good order.
Wherein, in order to improve the heat abstractor of radiating tube further, radiating tube is opened multiple louvre, the length direction that multiple louvre drills radiating tube is equidistantly distributed on radiating tube.
Driving chip of the present utility model and control chip all adopt QFN encapsulation technology, solve the problem that LED display module makes the clear color degree of LED display decline because of the inductive effect that row's pin produces, solve the problem that this inductive effect increases electromagnetic interference (EMI) chance, reduce cost of labor, good heat dissipation effect, water proof and dust proof, the display effect of display screen is good.
Accompanying drawing explanation
Fig. 1 is annexation schematic diagram of the present utility model.
Fig. 2 is the structural representation of Fig. 1 housing.
Fig. 3 is the structural representation of LED lamp bead in Fig. 1.
In figure, 1 is transparent face mask, and 2 is shell, and 3 is circuit board, and 4 is inner cavity chamber, 5 is outer chamber, and 6 is lamp plate, and 7 is LED lamp bead, and 8 is driving chip, 9 is control chip, and 10 is radiating tube, and 11 is filtrator, and 12 is induced draft fan, 13 is annular boss, and 14 is Gask-O-Seal, and 15 is support, and 16 is packaging body, 17 is pin, and 18 is plastic outer layer, and 19 is separation layer, and 20 is metal net layer, 21 is flame-retardant layer, and 22 is the first spool, and 23 is the second spool, and 24 is louvre.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-3, a kind of lamp drives the LED display module of unification, the circuit board 3 comprising transparent face mask 1, shell 2 and be arranged in shell 2, transparent face mask 1 covers the top at shell 2, shell 2 is divided into inner cavity chamber 4 and outer chamber 5 by circuit board 3, the top layout of circuit board 3 has lamp plate, lamp plate is equidistantly evenly equipped with multiple LED lamp bead 7, multiple LED lamp bead 7 is placed in outer chamber 5, transparent face mask 1 can not affect the display effect of LED lamp bead 7, and transparent face mask 1 is movably connected on shell 2, easy accessibility is very practical.The bottom of lamp plate is directly pasted with driving chip 8 and control chip 9, driving chip 8 and control chip 9 all adopt QFN encapsulation technology, driving chip 8 and control chip 9 are all placed in control chamber indoor, QFN encapsulation technology solves the problem that LED display module makes the clear color degree of LED display decline because of the inductive effect that row's pin produces, solve the problem that this inductive effect increases electromagnetic interference (EMI) chance, decrease one production process, reduce cost of labor.
The device improving heat dispersion is further: in inner cavity chamber 4, equidistant placement has many radiating tubes 10, one end of radiating tube 10 is led to filtrator 11, the other end of radiating tube 10 is connected with induced draft fan 12, filtrator 11 and induced draft fan 12 symmetry are arranged on shell 2, the air inlet of filtrator 11 is connected with extraneous air, the exhaust outlet of induced draft fan 12 is connected with extraneous air, under the effect of induced draft fan 12, extraneous cold wind is by many radiating tubes 10, many radiating tubes 10 can reduce the temperature in inner cavity chamber 4, ensure that LED lamp bead 7 can not affect properties of product because of high temperature.
Wherein, the bottom of transparent face mask 1 to extend in outer chamber 5 and is placed on annular boss 13, and between annular boss 13 and top board, piling has Gask-O-Seal 14, Gask-O-Seal 14 water proof and dust proof.
Wherein, LED lamp bead 7 comprises support 15, the top of support 15 is sealed by hemispheric packaging body 16, the bottom of support 15 is fitted with two pins 17, two pins 17 are arranged in parallel, two pins 17 extend in packaging body 16 through after support 15, intrinsic R, G, B tri-kinds of chips on support 15, three kinds of chips and two pins 17 are electrically connected, change the structure that traditional red, green, blue Three kinds of hors d'oeuvres one forms All colour light source, there is better illumination effect, save raw material and cost, simplify production technology.
Wherein, the concrete structure of shell 2 is: be once furnished with plastic outer layer 18, separation layer 19, metal net layer 20 and flame-retardant layer 21 from the inside to the outside, separation layer 19 is metal material layer, electronic component in housing is isolated from the outside by separation layer 19, the signal in extraneous signal disturbing housing is avoided to export or display, metal net layer 20 adds the structural strength of housing, and flame-retardant layer 21 can increase fire protecting performance of the present invention, improves safety coefficient.
Wherein, be also furnished with the first spool 22, first spool 22 in shell 2 and be connected with the outside of shell 2 by control chamber, the first spool 22 is placed in immediately below driving chip 8, and the cable be connected with driving chip 8 is connected with external unit through after the first spool 22.
Wherein, be also furnished with the second spool 23, second spool 23 in shell 2 and be connected with the outside of shell 2 by control chamber, the second spool 23 is placed in immediately below control chip 9, and the cable be connected with control chip 9 is connected with external unit through after the second spool 23.
First spool 22 and the second spool 23 are convenient to winding displacement, and the cable in shell 2 is in good order.
Wherein, in order to improve the heat abstractor of radiating tube 10 further, radiating tube 10 is opened multiple louvre 24, the length direction that multiple louvre 24 drills radiating tube 10 is equidistantly distributed on radiating tube 10.
Driving chip 8 of the present utility model and control chip 9 all adopt QFN encapsulation technology, solve the problem that LED display module makes the clear color degree of LED display decline because of the inductive effect that row's pin produces, solve the problem that this inductive effect increases electromagnetic interference (EMI) chance, reduce cost of labor, good heat dissipation effect, water proof and dust proof, the display effect of display screen is good.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should wrap within the scope of the utility model.
Claims (7)
1. a lamp drives the LED display module of unification, it is characterized in that, comprise transparent face mask (1), shell (2) and the circuit board (3) be arranged in shell (2), transparent face mask (1) covers the top in shell (2), shell (2) is divided into inner cavity chamber (4) and outer chamber (5) by described circuit board (3), the top layout of described circuit board (3) has lamp plate, lamp plate is equidistantly evenly equipped with multiple LED lamp bead (7), multiple LED lamp bead (7) is placed in outer chamber (5), the bottom of lamp plate is directly pasted with driving chip (8) and control chip (9), driving chip (8) and control chip (9) all adopt QFN encapsulation technology, driving chip (8) and control chip (9) are all placed in control chamber indoor, described inner cavity chamber (4) interior equidistant placement has many radiating tubes (10), one end of radiating tube (10) is led to filtrator (11), the other end of radiating tube (10) is connected with induced draft fan (12), filtrator (11) and induced draft fan (12) symmetry are arranged on shell (2), the air inlet of filtrator (11) is connected with extraneous air, the exhaust outlet of induced draft fan (12) is connected with extraneous air.
2. a kind of lamp according to claim 1 drives the LED display module of unification, it is characterized in that, the bottom of described transparent face mask (1) to extend in outer chamber (5) and is placed on annular boss (13), and between annular boss (13) and top board, piling has Gask-O-Seal (14).
3. a kind of lamp according to claim 2 drives the LED display module of unification, it is characterized in that, described LED lamp bead (7) comprises support (15), the top of support (15) is by hemispheric packaging body (16) sealing, the bottom of support (15) is fitted with two pins (17), two pins (17) are arranged in parallel, and two pins (17) extend in packaging body (16) through after support (15).
4. a kind of lamp according to claim 3 drives the LED display module of unification, it is characterized in that, the concrete structure of described shell (2) is: be once furnished with plastic outer layer (18), separation layer (19), metal net layer (20) and flame-retardant layer (21) from the inside to the outside, described separation layer (19) is metal material layer.
5. a kind of lamp according to claim 4 drives the LED display module of unification, it is characterized in that, the first spool (22) is also furnished with in described shell (2), first spool (22) is connected controlling the outside of chamber with shell (2), and the first spool (22) is placed in immediately below driving chip (8).
6. a kind of lamp according to claim 5 drives the LED display module of unification, it is characterized in that, the second spool (23) is also furnished with in described shell (2), second spool (23) is connected controlling the outside of chamber with shell (2), and the second spool (23) is placed in immediately below control chip (9).
7. a kind of lamp according to claim 6 drives the LED display module of unification, it is characterized in that, described radiating tube (10) is opened multiple louvre (24), multiple louvre (24) is equidistantly distributed on radiating tube (10) along the length direction of radiating tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898562.2U CN205122118U (en) | 2015-11-12 | 2015-11-12 | Lamp drive -in -one LED (Light -Emitting diode) display screen module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898562.2U CN205122118U (en) | 2015-11-12 | 2015-11-12 | Lamp drive -in -one LED (Light -Emitting diode) display screen module |
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|---|---|
| CN205122118U true CN205122118U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520898562.2U Active CN205122118U (en) | 2015-11-12 | 2015-11-12 | Lamp drive -in -one LED (Light -Emitting diode) display screen module |
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| CN (1) | CN205122118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322799A (en) * | 2019-08-22 | 2019-10-11 | 黎泽辉 | A kind of combined type LED display screen mould group |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
-
2015
- 2015-11-12 CN CN201520898562.2U patent/CN205122118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322799A (en) * | 2019-08-22 | 2019-10-11 | 黎泽辉 | A kind of combined type LED display screen mould group |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
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| GR01 | Patent grant |