CN201522825U - LED display screen - Google Patents
LED display screen Download PDFInfo
- Publication number
- CN201522825U CN201522825U CN2009202059682U CN200920205968U CN201522825U CN 201522825 U CN201522825 U CN 201522825U CN 2009202059682 U CN2009202059682 U CN 2009202059682U CN 200920205968 U CN200920205968 U CN 200920205968U CN 201522825 U CN201522825 U CN 201522825U
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- led
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- pcb board
- light emitting
- emitting diode
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Abstract
The utility model discloses an LED display screen. The display screen comprises a frame, at least one printed circuit board, a plurality of LED units, and at least one control devices arranged on the frame, wherein each LED unit comprises at least one LED (light emitting diode); each printed circuit board is provided with at least one power circuit and at least one signal circuit, and at least one LED unit is arranged on the each of two opposite sides of each printed circuit board; a plurality of grooves are formed on the frame, printed circuit boards are fixedly arranged on the grooves of the frame in parallel, and display screen light-emitting surfaces are formed on the two sides of the frame respectively; and the control device is used to control the LED unit on each printed circuit board. By adopting the scheme, in the utility model, the LEDs are arranged on the two sides of each printed circuit board respectively, therefore, the display screen has the predominant substantive characteristic of two-way display, can meet the specific requirement of people viewing from two sides when the LED screen is placed and hung in the middle, and can achieve better technical effect and economic benefit.
Description
Technical field
The utility model relates to a kind of lighting device, relates in particular to a kind of LED display.
Background technology
LED display has become the sign of urban information modernization construction as a kind of important means of information propagation.Along with socioeconomic continuous progress, and the LED display technique is constantly perfect, and people will more and more go deep into the understanding of LED display, and its application will be more and more wider.
In the existing LED display, promptly the front is a LED display, and the back side is the screen body, and people can only watch from the front, can't satisfy under the specific occasion specific demand that people watch simultaneously from the tow sides of LED display.In the process of using LED display, brought inconvenience for the user.Therefore, there is defective in prior art, needs to improve.
The utility model content
The LED screen body that the utility model provides a kind of front and back to show.
The technical solution of the utility model is as follows: a kind of LED display comprises a framework, at least one pcb board, some LED unit, is arranged at least one control device on the framework;
Described LED unit comprises at least one LED light emitting diode;
Described pcb board is provided with at least one power circuit and at least one signal line, and relative dual-side is respectively provided to a few described LED unit on the described pcb board;
Described framework is provided with some grooves, and each pcb board is arranged in parallel, and is fixedly installed on the groove of described framework, forms a display screen exiting surface respectively in the both sides of described framework;
Described control device is used to control the LED unit on each pcb board;
Between the two adjacent described pcb boards screen layer is set, be used for filtering each other light wave disturb.
Described LED display, described control device comprises inductor, control module, gauge tap and control module;
Described inductor is electrically connected with described control module in proper order with described control module, described gauge tap, is used for the induction variation or receives external command, and notify described control module;
Described control module is used for starting described gauge tap satisfying when presetting condition, and preset LED control signals is sent to described control module;
Described control module is connected with each LED unit, is used for according to described LED control signal each LED light emitting diode of drive controlling.
Described LED display is provided with each side of described LED unit, is respectively arranged with continuous groove, is used for being provided with or ccontaining each LED luminescence unit.
Described LED display, described LED luminescence unit is the adopting surface mounted LED light emitting diode, the degree of depth of described groove equates with the thickness of described adopting surface mounted LED light emitting diode, is used for ccontaining each LED light emitting diode.
Described LED display is provided with a screen layer between the two adjacent pcb boards, be used for filtering each other light wave disturb.
Described LED display, described pcb board is provided with some louvres.
Described LED display, described LED display also is provided with at least one control panel, is connected with described control device, is used to accept external command, controls LED unit on each pcb board by described control device.
Described LED display, the shell of described framework, its each wall all is provided with grid or through hole.
Described LED unit comprises at least one LED tube core, substrate, is arranged on groove, filling material, a control chip and an anodal pin and a negative pole pin on the described substrate; At least be provided with a groove of certain angle on the described substrate,
Described LED tube core is arranged in the described groove;
Described filling material is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of LED in the described led module;
And described shell and described LED tube core are by the setting of combining closely of described filling material and described groove;
Described control chip is arranged on the opposite side of described substrate, and is corresponding with the light direction of LED tube core;
Described LED tube core is connected with described anodal pin, described negative pole pin respectively, is used to be connected to the control output end of external drive circuit.
Adopt such scheme, the utility model is provided with the LED light emitting diode respectively by the both sides on pcb board, makes it to have the double-sided screen structure, makes it to have had the outstanding substantive distinguishing features of two-way demonstration; Can satisfy LED retire from public life middle placement, suspension, the specific needs that people watch from the two sides; Substitute two Daeporis with a two-sided screen and lead to the use of single face screen, not only minimizing takes up room, reduces and connects loaded down with trivial details, minimizing cost input, and succinctly attractive in appearance, esy to use, safe and reliable, thereby obtains better technique effect and economic benefit.
Description of drawings
Fig. 1 is one of LED display structural representation in the utility model;
Fig. 2 is the A-A schematic cross-section of Fig. 1;
Fig. 3 is a pcb board structural representation in the utility model;
Fig. 4 is one of pcb board and LED light-emitting diodes pipe jointing synoptic diagram in the utility model;
Fig. 5 be in the utility model pcb board and LED light-emitting diodes pipe jointing synoptic diagram two;
Fig. 6 be in the utility model the LED display structural representation three;
Fig. 7 is one of LED luminescence unit structural representation in the utility model;
Fig. 8 be in the utility model LED luminescence unit structural representation two;
Fig. 9 be in the utility model LED luminescence unit structural representation three.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, present embodiment provides a kind of LED display, comprise a framework 10, be installed in the polylith pcb board that is shaped as parallelogram on the framework 10, the polylith pcb board is arranged in parallel within the groove of framework 10, and the relative dual-side on every pcb board 9 evenly is provided with a plurality of LED luminescence units; In the present embodiment, a LED luminescence unit comprises a LED light emitting diode 8, in framework 10 inside one control device is set also, and described control device is used to control each LED unit on each pcb board.
As shown in Figure 3, described pcb board comprises a first side 1 and the 3rd side 3, a second side 2, one and one the 4th side, and the 4th side and the 3rd side 3 are oppositely arranged; On the 3rd side 3 of described pcb board a cathode power supply circuit, a negative power supply circuit and a signal line are set, the first side 1 of described pcb board is parallel with described second side 2 and is oppositely arranged, the first side 1 of described pcb board, second side 2, install respectively a plurality of light emitting diodes are set, the exiting surface that shield as LED respectively described first side, described second side.
And for example shown in Figure 1, interior edge at framework 10 is provided with groove, the size of groove is less times greater than the cross section of pcb board 9, be provided with draw-in groove in the groove, one side in the cross section of pcb board 9 is provided with buckle, the pairing of draw-in groove and buckle is used, and is used for a polylith pcb board to be separately fixed on the framework 10, to form an above-mentioned LED display; Pcb board be provided with circular louvre and framework 10 up and down wall all be lattice-shaped or mesh-shape, make the unimpeded convection current of air in the screen body, very help the components and parts cooling.As shown in Figure 2, shielding interlayer 11 is housed between the two adjacent pcb boards,, keeps the sharpness and the degree of stability of display screen with filtering light wave interference each other.
Because LED display is easy to generate a large amount of heats, if untimely heat radiation will damage electronic component, influences the serviceable life of light emitting diode 8.In order to overcome above problem, as shown in Figure 4, each pcb board can be provided with some through holes; For example, between the 3rd side and the 4th side of each pcb board, be provided with the circular hole 12 of connection.Each circular hole can be formed the duct of many near linears respectively, be that circular hole 12 on each pcb board is almost at straight line, the duct that this circular hole 12 is formed, not only can heat dissipation ventilation, can also be used as public passage, for example, be used for wiring, comprise netting twine is set, also can be used for passing support bar, be used for fixing each pcb board.
Wherein be arranged on each power circuit on the pcb board 9, also can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, to guarantee the operate as normal of each LED light emitting diode 8 electronic devices and components such as grade in the pcb board 9; Be provided with align more, the negative power supply circuit can be connected with other electronic devices and components with LED light emitting diode 8 respectively, a certainly aligning, when the negative power supply circuit disconnects, do not influencing the operate as normal of other positive and negative electrode power circuits; Also can be with a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as the standby power supply line, power lead has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode 8 and other electronic devices and components.In order to make in the present embodiment LED lamp bar simple in structure, usually, a cathode power supply circuit and a negative power supply circuit only are set.
On the basis of embodiment 1, LED light emitting diode in the present embodiment is the adopting surface mounted LED light emitting diode, on the first side of pcb board and second side, be respectively arranged with continuous groove, be used for ccontaining each adopting surface mounted LED light emitting diode, like this, the adopting surface mounted LED light emitting diode can be separately positioned in each groove, the size of groove is slightly larger than the volume of adopting surface mounted LED light emitting diode, each adopting surface mounted LED light emitting diode can well-proportionedly be arranged in the groove like this, and makes the exiting surface neat and consistent of paster type light emitting type easily; Pcb board is provided with groove can better fix each adopting surface mounted LED light emitting diode, and the thickness of the degree of depth of groove and described adopting surface mounted LED light emitting diode adapts, and described groove is used for fixing lays described adopting surface mounted LED light emitting diode.For example, as shown in Figure 5, after installing whole adopting surface mounted LED light emitting diodes, each LED is within the described groove, and perhaps, described groove is not exposed at the top of each LED.It is horizontally set that the first side that adopting surface mounted LED light emitting diode 15 is arranged on pcb board can be selected, also can consider vertical setting, it is vertical setting that the second side that same adopting surface mounted LED light emitting diode 15 is arranged on pcb board can be selected, and also can consider horizontally set.
Because LED display is easy to generate a large amount of heats, influences the luminous of light emitting diode 8.In order to overcome above problem, as shown in Figure 5, the 3rd side and the 4th side of each pcb board are provided with square hole 14, because the pcb board that is provided with height is the same, so the square hole 14 on each pcb board is almost at straight line, this square hole 14 not only can heat dissipation ventilation, can also be used to public passage.
According to being respectively arranged with discontinuous groove on the described first side of the needs of different designs, the described second side, described light emitting diode is arranged in the groove of described pcb board.
On pcb board, perhaps, one control device can also be set in screen body inside, this control device comprises an inductor, a control module, a gauge tap and at least one control module.
Inductor is used for induction to be changed, and notice control module, when the condition that presets is satisfied in variation, control module is according to the control program that presets, and the start-up control switch is simultaneously with preset LED control signals, send to control module by signal wire, control module receives the LED control signal from control module, and according to the LED control signal of signal wire transmits, drive controlling LED light emitting diode.For example, inductor is the monitoring temperature unit, when environment temperature surpasses default warning temperature, as 60 degree Celsius or 70 degree, then notifies control module, closes each LED by gauge tap.
Preset LED control signals can be stored in the control module in advance, also can be sent to control module by inductor, is used to control the fluorescent lifetime of each LED and illumination mode etc.
Control module is used for drive controlling LED light emitting diode, and according to the LED control signal of each signal wire transmits, the LED light emitting diode of drive controlling varying number, make each LED light emitting diode can realize that different brightness change, and make to mutually combine between each LED light emitting diode and be the variation of different colours.In addition, inductor can also be an acoustic control inductor or automatically controlled inductor.
As shown in Figure 6, the utility model provides a kind of LED display, comprise a framework 10, be installed in the polylith pcb board, the polylith pcb board that are shaped as parallelogram on the framework 10 and be arranged in parallel within the groove of framework 10, a plurality of LED luminescence units are arranged on the polylith pcb board, the LED luminescence unit comprises a LED light emitting diode 8 in the present embodiment, in framework 10 inside at least one system control device, at least one circuit control device 16 is set also; Two cathode power supply circuits, two negative power supply circuits and two signal lines are set on the described pcb board 9, and described pcb board 9 comprises a first side, a second side, one the 3rd side and one the 4th side; The 3rd side of described pcb board 9 is parallel with described the 4th side and is oppositely arranged, the 3rd side of described pcb board 9 and described the 4th side are installed respectively a plurality of light emitting diodes 8 are set, the exiting surface that shield as LED respectively described the 3rd side, described the 4th side.
The interior edge of described framework 10 is provided with groove, and the size of groove is provided with draw-in groove less times greater than the cross section of pcb board 9 in the groove, one side in the cross section of pcb board 9 is provided with buckle, draw-in groove and buckle pairing are used, and are used for fixing the described pcb board 9 of polylith, thereby form an above-mentioned two-sided screen.
In addition framework 10 up and down wall all be lattice-shaped or mesh-shape, make the unimpeded convection current of air in the machine, be beneficial to the components and parts cooling.Be fixed together by stationary installation 17 between the two adjacent pcb boards 9, with filtering each other light wave disturb, keep the sharpness and the degree of stability of display screen, and increase the firm stable of LED screen; Stationary installation 17 in the present embodiment is draw-in groove and buckle, by on a pcb board draw-in groove being set, the deck button is set on another pcb board, and two adjacent pcb boards are fixed together, and also can practical screw or nut be fixed or the like according to the needs of different occasions.
Described LED unit comprises at least one LED tube core, substrate, is arranged on groove, filling material, a control chip and an anodal pin and a negative pole pin on the described substrate; At least be provided with a groove of certain angle on the described substrate,
Described LED tube core is arranged in the described groove; Described filling material is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of LED in the described led module;
And described shell and described LED tube core are by the setting of combining closely of described filling material and described groove; Described control chip is arranged on the opposite side of described substrate, and is corresponding with the light direction of LED tube core; Described LED tube core is connected with described anodal pin, described negative pole pin respectively, is used to be connected to the control output end of external drive circuit.
As shown in Figure 7, LED luminescence unit in a kind of LED display comprises substrate 8A, is provided with the groove of certain angle on the substrate 8A, and filling material is positioned at the light direction of described LED tube core, be fixedly installed on described groove top, and be set to the shell of LED in the described led module; Described filling material and substrate are the certain radian setting.Be provided with the groove of certain angle on substrate, it is that 1 degree is to 179 degree that the angle of above-mentioned groove is provided with scope; Described filling material is packaged into the frustum of a cone or the strong luminophor of cylinder on each groove.
As shown in Figure 8, the LED luminescence unit in a kind of LED display comprises substrate 8B, and substrate 8B is provided with the groove of certain angle, and it is that 1 degree is to 179 degree that the angle of above-mentioned groove is provided with scope; Described filling material is packaged into the luminophor of elliptical table shape projection above each groove, it is that 1 degree is to 179 degree that the radian of the luminophor of elliptical table shape projection is provided with scope.
As shown in Figure 9, the LED luminescence unit in a kind of LED display comprises substrate 8C, and 4 oval boss are set on the substrate 8C, and a groove that has certain angle is set on each oval boss, and it is that 1 degree is to 179 degree that the angle of above-mentioned groove is provided with scope; Described filling material is packaged into the luminophor of oval projection above each groove, it is that 1 degree is to 179 degree that the radian of the luminophor of oval projection is provided with scope.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (8)
1. a LED display is characterized in that, comprises a framework, at least one pcb board, some LED unit, is arranged at least one control device on the framework;
Described LED unit comprises at least one LED light emitting diode;
Described pcb board is provided with at least one power circuit and at least one signal line, and relative dual-side is respectively provided to a few described LED unit on the described pcb board;
Described framework is provided with some grooves, and each pcb board is arranged in parallel, and is fixedly installed on the groove of described framework, forms a display screen exiting surface respectively in the both sides of described framework;
Described control device is used to control the LED unit on each pcb board;
Between the two adjacent described pcb boards screen layer is set, be used for filtering each other light wave disturb.
2. LED display according to claim 1 is characterized in that described control device comprises inductor, control module, gauge tap and control module;
Described inductor is electrically connected with described control module in proper order with described control module, described gauge tap, is used for the induction variation or receives external command, and notify described control module;
Described control module is used for starting described gauge tap satisfying when presetting condition, and preset LED control signals is sent to described control module;
Described control module is connected with each LED unit, is used for according to described LED control signal each LED light emitting diode of drive controlling.
3. LED display according to claim 1 is characterized in that, each side in that described LED unit is set is respectively arranged with continuous groove, is used for being provided with or ccontaining each LED luminescence unit.
4. LED display according to claim 3 is characterized in that, described LED luminescence unit is the adopting surface mounted LED light emitting diode, and the thickness of the degree of depth of described groove and described adopting surface mounted LED light emitting diode adapts, and is used for ccontaining each LED light emitting diode.
5. LED display according to claim 1 is characterized in that described pcb board is provided with some louvres.
6. LED display according to claim 1 is characterized in that described LED display also is provided with at least one control panel, is connected with described control device, is used to accept external command, controls LED unit on each pcb board by described control device.
7. LED display according to claim 1 is characterized in that, the shell of described framework, and its each wall all is provided with grid or through hole.
8. LED display according to claim 1 is characterized in that, described LED unit comprises at least one LED tube core, substrate, is arranged on groove, filling material, a control chip and an anodal pin and a negative pole pin on the described substrate; At least be provided with a groove of certain angle on the described substrate,
Described LED tube core is arranged in the described groove;
Described filling material is positioned at the light direction of described LED tube core, is fixedly installed on described groove top, and is set to the shell of LED in the described led module;
And described shell and described LED tube core are by the setting of combining closely of described filling material and described groove;
Described control chip is arranged on the opposite side of described substrate, and is corresponding with the light direction of LED tube core;
Described LED tube core is connected with described anodal pin, described negative pole pin respectively, is used to be connected to the control output end of external drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202059682U CN201522825U (en) | 2009-10-16 | 2009-10-16 | LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202059682U CN201522825U (en) | 2009-10-16 | 2009-10-16 | LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522825U true CN201522825U (en) | 2010-07-07 |
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ID=42509001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202059682U Expired - Fee Related CN201522825U (en) | 2009-10-16 | 2009-10-16 | LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091529A (en) * | 2013-11-22 | 2014-10-08 | 都江堰市华刚电子科技有限公司 | LED (Light Emitting Diode) display device with multi-plane display |
| CN104485408A (en) * | 2013-11-10 | 2015-04-01 | 邹志峰 | Semiconductor support |
-
2009
- 2009-10-16 CN CN2009202059682U patent/CN201522825U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485408A (en) * | 2013-11-10 | 2015-04-01 | 邹志峰 | Semiconductor support |
| CN104091529A (en) * | 2013-11-22 | 2014-10-08 | 都江堰市华刚电子科技有限公司 | LED (Light Emitting Diode) display device with multi-plane display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20121016 |