CN201965869U - LED (light-emitting diode) display module and display screen - Google Patents
LED (light-emitting diode) display module and display screen Download PDFInfo
- Publication number
- CN201965869U CN201965869U CN2011200789601U CN201120078960U CN201965869U CN 201965869 U CN201965869 U CN 201965869U CN 2011200789601 U CN2011200789601 U CN 2011200789601U CN 201120078960 U CN201120078960 U CN 201120078960U CN 201965869 U CN201965869 U CN 201965869U
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- circuit board
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Abstract
The utility model discloses an LED display module, which comprises a circuit board and electronic elements arranged on the circuit board, wherein the circuit board adopts a rigid-flexible printed circuit board which is combined with a flexible circuit board and a plurality of strip-shaped rigid circuit boards, the strip-shaped rigid circuit boards are regularly distributed at intervals on the flexible circuit board, and the electronic elements are arranged in the areas of the rigid circuit boards. The utility model also discloses an LED display screen which is formed by cascading a plurality of LED display modules. Consequently, the LED display screen is like a painting scroll or an ancient bamboo book, and can be rolled transversely but cannot be rolled longitudinally, the problems of manufacturability and maintainability of conventional rigid or flexible LED display screen products in terms of curved product surface assembly and mass production are solved, the processing precision of products is improved, the reliability and the attractive appearances of products are guaranteed, and the production and maintenance costs of products are reduced.
Description
Technical field
The utility model relates to display screen, and particularly a kind of LED shows module and display screen.
Background technology
Electronic bill-board is used for occasions such as hall, corridor, exhibition, party, performance scene, in-situ match more, is used for information such as playing pictures, literal, animation, video and points out people.Traditional LED display is made of the rigidity module usually, LED light emitting diode and chip for driving all are welded on PCB (the Printed Circuit Board of rigidity, printed circuit board) goes up the basic display unit plate of formation, different application scenarios is given the assembling of display unit plate different face shield, drain pan or used the silica gel embedding, form complete demonstration module, to show that afterwards module is assembled into complete rigidity LED display, but the rigidity LED display can not be assembled to various curved surface occasions such as cylinder, cambered surface, wavy surface.
Along with FPC (Flexible Printed Circuit, flexible printed board or flexible electric circuit board) introducing LED display field, to adapt to curved surface assembling occasion demand, its common way is that LED light emitting diode and chip for driving are welded on the basic display unit plate of formation on the FPC flexible electric circuit board, flexible rubber face mask and the substrate of assembling adopts mode bonding or that magnetic is attached to be assembled into complete flexible LED display screen afterwards then.Though the flexible LED display screen has solved the problem of curved surface assembling preferably, but also there is following shortcoming: at first, be that difficulty of processing is big, because the LED display electronic product that to be components and parts intensive and layout is strict, the FPC flexible electric circuit board is very pliable and tough, in process, be easy to reduce, influence product appearance and reliability because of stressed irregular distortion causes machining precision; Secondly, the FPC flexible electric circuit board is difficult to weld universal connector, and the damage FPC flexible electric circuit board that also meets accident easily in the assembling connection procedure, has further reduced the safe in utilization of product; Because the FPC flexible electric circuit board all is flexible, therefore there is the situation of the local depression of collapsing in it in the hollow part of mounting structure on all directions again, has influenced the overall appearance of display screen.
The utility model content
Fundamental purpose of the present utility model provides a kind of LED and shows module and display screen, is intended to realize that LED display both can assemble at curved surface, avoids the part depressed phenomenon of collapsing again, also can improve the working (machining) efficiency and the product quality of product, prolongs the serviceable life of product.
The utility model proposes a kind of LED and show module, comprise circuit board and be arranged on electronic devices and components on the described circuit board, the rigid-flexible printed circuit board that described circuit board adopts the rigid circuit board of flexible electric circuit board and several strips to combine, the described rigid circuit board of the strip that distributing regularly separately on described flexible electric circuit board, described electronic devices and components are arranged on described rigid circuit board zone.
Preferably, described electronic devices and components comprise LED light emitting diode, chip for driving, signal input socket, signal accessory power outlet and supply socket.
Preferably, the welding of the one side of described rigid circuit board is by some LED light emitting diodes of matrix distribution, and its another side welds described chip for driving, signal input socket, signal accessory power outlet and supply socket.
Preferably, the one side that is welded with the LED light emitting diode on described circuit board is provided with the rubber face mask of the mute light of black.
Preferably, all also be provided with the injection moulding assembly parts on the described rigid circuit board, described injection moulding assembly parts are connected on the described rigid circuit board by screw, flexibly connect between the described injection moulding assembly parts.
The utility model proposes a kind of LED display again, show that by several LED the module cascade constitutes, described LED shows that module comprises signal input and output socket, prime LED shows that the signal accessory power outlet of module shows that with back level LED the signal input socket of module is connected, while output cascade shows signal, described LED shows that module also comprises circuit board and is arranged on electronic devices and components on the described circuit board, the rigid-flexible printed circuit board that described circuit board adopts the rigid circuit board of flexible electric circuit board and several strips to combine, the described rigid circuit board of the strip that distributing regularly separately on described flexible electric circuit board, described electronic devices and components are arranged on described rigid circuit board zone.
Preferably, this LED display comprises that also above-mentioned LED shows each technical scheme of module.
LED display of the present utility model is made up of the cascade of some LED demonstration modules, LED shows that the circuit board of module comprises the rigid-flexible printed circuit board that rigid circuit board and flexible electric circuit board combine, rigid circuit board is provided with several and is the strip structure, and electronic devices and components are arranged on the rigid circuit board zone; Flexible electric circuit board connects as one with it for whole plate and with each described rigid circuit board, forms a complete circuit board body.Make the similar picture scroll of this LED display or the bamboo book in ancient times, in the horizontal can convolution, vertically going up can not convolution, so this LED display has solved the product curved surface assembling that conventional rigid or flexible LED display products exist, the manufacturability and the maintainable problem of batch process.Compare with the flexible LED display screen, the manufacturability and the maintainability of product have been promoted great-leap-forward, can significantly improve display screen working (machining) efficiency and product yield height, the existence of banded rigidity PCB has simultaneously also improved the machining precision of product, guarantee reliability of products and attractive in appearance, reduced the production and the maintenance cost of product simultaneously.
Description of drawings
Fig. 1 is the structural representation that LED of the present utility model shows an embodiment of module;
Fig. 2 is that LED of the present utility model shows that module is equipped with the structural representation of an embodiment of part injection moulding assembly parts;
Fig. 3 is the structural representation that Fig. 1 is equipped with an embodiment of LED display surface;
Fig. 4 is that LED of the present utility model shows that module is equipped with the structural representation of an embodiment of rubber face mask;
Fig. 5 is the structural representation of an embodiment of injection moulding assembly parts of the present utility model;
Fig. 6 is the side view of Fig. 1 when injection moulding assembly parts are installed;
Fig. 7 is the structural representation of an embodiment of rubber face mask of the present utility model;
Fig. 8 is the circuit theory diagrams of signal input socket interface of the present utility model;
Fig. 9 is the circuit theory diagrams of signal accessory power outlet interface of the present utility model;
Figure 10 is the circuit theory diagrams that line scan signals of the present utility model drives;
Figure 11 is the circuit theory diagrams that row shows signal of the present utility model drives;
Figure 12 is the schematic diagram that LED of the present utility model is connected with circuit.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, Fig. 3, Fig. 6, the embodiment that a kind of LED of the present utility model shows module is proposed, comprise circuit board and be arranged on electronic devices and components on the described circuit board, these electronic devices and components comprise LED light emitting diode 50, signal input socket 30, signal accessory power outlet 40, chip for driving 70 and supply socket 60 etc., described circuit board comprises circuit board and is arranged on electronic devices and components on the described circuit board, described circuit board comprises the rigid circuit board 10 of flexible electric circuit board 20 and several strips, the rigid-flexible printed circuit board that this circuit board adopts the rigid circuit board 10 of flexible electric circuit board 20 and several strips to combine, the described rigid circuit board 10 of the strip that distributing regularly separately on described flexible electric circuit board 20, described electronic devices and components are arranged on described rigid circuit board 10 zones.
Described flexible electric circuit board 20 connects as one with described rigid circuit board 10, forms a complete incorporate rigid-flexible combined printed wiring board.Connect flexible electric circuit board 20 between per two rigid circuit boards 10, be arranged in parallel between per two rigid circuit boards 10 and distance equates, make this LED show the similar picture scroll of module or the bamboo book in ancient times, in the horizontal can convolution, vertically going up can not convolution, so this LED shows module solved conventional rigid or the flexible LED display products product curved surface assembling that exists, the manufacturability and the maintainable problem of batch process.Compare with the flexible LED display screen, the manufacturability and the maintainability of product have been promoted great-leap-forward, can significantly improve display screen working (machining) efficiency and product yield height, the existence of strip rigidity PCB has simultaneously also improved the machining precision of product, guarantee reliability of products and attractive in appearance, reduced the production and the maintenance cost of product simultaneously.
Further, with reference to Fig. 2, Fig. 3, the one side welding of above-mentioned rigid circuit board 10 is by some LED light emitting diodes 50 of matrix distribution, its another side welding signal input socket 30, signal accessory power outlet 40, chip for driving 70 and supply socket 60, electronic devices and components are installed on the rigid circuit board 10, and all are that flexible electric circuit board is compared, and working (machining) efficiency and product yield are higher, guarantee reliability of products, reduced the production and the maintenance cost of product.
With reference to Fig. 4, Fig. 7; the one side that is welded with LED light emitting diode 50 on the foregoing circuit plate is provided with the rubber face mask 80 of the mute light of black; it is the rubber face mask 80 of sticking flexible; play the effect of protection LED light emitting diode; guarantee the flexibility of product; contrast when also improving simultaneously the product demonstration promptly can alleviate the dazzle that physical environment produces.
With reference to Fig. 2, Fig. 5; all also be provided with injection moulding assembly parts 100 on each above-mentioned rigid circuit board 10; described injection moulding assembly parts 100 are connected on the described rigid circuit board 10 by screw 91, double-screw bolt 90; flexibly connect by johning knot member 101 between two described injection moulding assembly parts 100; the injection moulding assembly parts 100 of rigid circuit board 10 back sides assembling have been protected electronic devices and components; can make things convenient for 100 mounting or dismounting of injection moulding assembly parts by above-mentioned johning knot member 101, make LED show that the module mounting or dismounting are convenient.
Above-mentioned signal input socket 30, signal accessory power outlet 40 adopt the double acupuncture needle socket of 16 pins respectively, as Fig. 8, shown in Figure 9, and the circuit catenation principle of the double acupuncture needle socket of 16 pins of signal input socket 30, signal accessory power outlet 40 interfaces.Above-mentioned chip for driving 70 is interface signal chip for driving U1, U2, and this routine employing can be carried out No. eight bus driver 74HC245 of isolation drive to the interface signal of input, quality and intensity when having guaranteed the signal transmission.
Above-mentioned chip for driving 70 comprises capable shows signal chip for driving and row shows signal chip for driving, and described capable shows signal chip for driving comprises capable signal interpretation chip 74HC138, and described row shows signal chip for driving comprises constant-current driven chip.The operating voltage of described supply socket 60 input direct current 5V.
As shown in figure 10, signal input socket 30 receives after digital displaying signal and supply socket 60 receive low-voltage DC, and the driving principle of work of line scanning control signal and row shows signal is as follows:
The line scanning control signal is exported horizontal-drive signal via decoder driver circuit, and each horizontal-drive signal connects the positive pole of the LED of delegation light emitting diode, and row signal interpretation chip U4 adopts coding chip 74HC138, and horizontal drive circuit Q1-Q4 adopts chip for driving 704953.
As shown in figure 11, the circuit that the row shows signal is changeed parallel output signal via serial signal and carried out constant-current driving is finally exported the row display drive signals of constant current, each row display drive signals connects the negative pole of a row same color LED light emitting diode, row shows signal chip for driving UR1, UG1 adopt constant-current driven chip, constant-current driven chip can adopt TI 5921/5941, TOSHIBA 62726/62746, MBI 5024/5026, the LED chip for driving of the technology maturation such as 28161/28165 of LINSN.
As shown in figure 12, LED light emitting diode matrix structure by rule on rigid circuit board 10 distributes, the positive pole of each row LED light emitting diode links together and is connected on the horizontal-drive signal, the negative pole of each row same color LED light emitting diode links together and is connected on the row display drive signals, when the just very high level of LED light emitting diode when negative pole is low level simultaneously, this LED light emitting diode is lighted luminous, otherwise the LED light emitting diode extinguishes; Control the light on and off of each LED light emitting diode by the ranks signal synthesis, LED shows that module just can show expected information.
Show the concrete applied environment of module at LED, provide the brightness of display screen that is complementary obtaining good visual effect, and LED lumination of light emitting diode intensity is subjected to the control of drive current, the big more brightness of drive current is high more in rational current margin; Constant-current driven chip all is provided with the output current regulatory function, embodiment is as follows: described LED shows when module is produced, when rigid-flexible combined printed wiring board circuit board of processing, resistance R R1, RG1 among Figure 11 replace with potentiometer, reach the target component of product by the regulator potentiometer resistance, mate rational resistance according to the potentiometer resistance of measuring at last and drop into volume production.
The utility model proposes a kind of LED display again, this LED display shows that by several LED the module cascade constitutes, described LED shows that module comprises signal input socket 30 and signal accessory power outlet 40, show between the module at adjacent front and back level LED, the LED of prime shows that the signal accessory power outlet 40 of module shows that with the LED of back level the signal input socket 30 of module is connected, while output cascade shows signal, the LED of back level shows that the signal accessory power outlet 40 of module shows that with the LED of back one-level the signal input socket 30 of module is connected again, and all LED show the signal input of module, the accessory power outlet connection and the like; Described LED shows that module also comprises circuit board and is arranged on electronic devices and components on the described circuit board, described circuit board comprises the rigid circuit board 10 of flexible electric circuit board 20 and several strips, the rigid-flexible printed circuit board that this circuit board adopts the rigid circuit board 10 of flexible electric circuit board 20 and several strips to combine, the described rigid circuit board 10 of the strip that distributing regularly separately on described flexible electric circuit board 20, described electronic devices and components are arranged on the described rigid circuit board 10.
LED demonstration module among this LED display embodiment is that the above-mentioned LED of Fig. 1 to Figure 12 shows each technical scheme among the module embodiment, and because of technical scheme is identical, the technique effect that is reached is also consistent, does not repeat them here.
The similar picture scroll of this LED display or the bamboo book in ancient times, in the horizontal can convolution, vertically going up can not convolution, so this LED display has solved the product curved surface assembling that conventional rigid or flexible LED display products exist, the manufacturability and the maintainable problem of batch process.Compare with the flexible LED display screen, the manufacturability and the maintainability of product have been promoted great-leap-forward, can significantly improve LED display working (machining) efficiency and product yield, the existence of the PCB of banded hard and soft combination has simultaneously improved the machining precision of product, guarantee reliability of products and attractive in appearance, also reduced the production and the maintenance cost of product.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. a LED shows module, comprise circuit board and be arranged on electronic devices and components on the described circuit board, it is characterized in that, the rigid-flexible printed circuit board that described circuit board adopts the rigid circuit board of flexible electric circuit board and several strips to combine, the described rigid circuit board of the strip that distributing regularly separately on described flexible electric circuit board, described electronic devices and components are arranged on described rigid circuit board zone.
2. LED according to claim 1 shows module, it is characterized in that described electronic devices and components comprise LED light emitting diode, chip for driving, signal input socket, signal accessory power outlet and supply socket.
3. LED according to claim 2 shows module, it is characterized in that, the one side welding of described rigid circuit board is by the some described LED light emitting diode of matrix distribution, and its another side welds described chip for driving, signal input socket, signal accessory power outlet and supply socket.
4. LED according to claim 3 shows module, it is characterized in that, the one side that is welded with the LED light emitting diode on described circuit board is provided with the rubber face mask of the mute light of black.
5. show module according to each described LED in the claim 1 to 4, it is characterized in that, all also be provided with the injection moulding assembly parts on the described rigid circuit board, described injection moulding assembly parts are connected on the described rigid circuit board by screw, flexibly connect between the described injection moulding assembly parts.
6. LED display, it is characterized in that, described LED display shows that by several LED the module cascade constitutes, described LED shows that module comprises signal input and output socket, prime LED shows that the signal accessory power outlet of module shows that with back level LED the signal input socket of module is connected, while output cascade shows signal, described LED shows that module also comprises circuit board and is arranged on electronic devices and components on the described circuit board, the rigid-flexible printed circuit board that described circuit board adopts the rigid circuit board of flexible electric circuit board and several strips to combine, the described rigid circuit board of the strip that distributing regularly separately on described flexible electric circuit board, described electronic devices and components are arranged on described rigid circuit board zone.
7. LED display according to claim 6 is characterized in that, described LED shows that module is that each described LED shows module in the claim 2 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789601U CN201965869U (en) | 2011-03-23 | 2011-03-23 | LED (light-emitting diode) display module and display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789601U CN201965869U (en) | 2011-03-23 | 2011-03-23 | LED (light-emitting diode) display module and display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965869U true CN201965869U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200789601U Expired - Lifetime CN201965869U (en) | 2011-03-23 | 2011-03-23 | LED (light-emitting diode) display module and display screen |
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| Country | Link |
|---|---|
| CN (1) | CN201965869U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522047A (en) * | 2011-12-12 | 2012-06-27 | 中国航空无线电电子研究所 | Light on-board intelligent multifunctional display |
| CN103260349A (en) * | 2012-02-15 | 2013-08-21 | 深圳市科伦特科技有限公司 | Soft and hard circuit board combined type light-emitting diode (LED) display module |
| CN104252842A (en) * | 2014-09-18 | 2014-12-31 | 苏州合欣美电子科技有限公司 | LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards |
| CN104424844A (en) * | 2013-08-26 | 2015-03-18 | 联想(北京)有限公司 | Flexible display device and electronic product |
| CN104952394A (en) * | 2015-06-30 | 2015-09-30 | 苏州合欣美电子科技有限公司 | Drive circuit for one-eighth scanning LED display screen |
| CN106054377A (en) * | 2016-08-05 | 2016-10-26 | 北京国承万通信息科技有限公司 | Light beam scanning mechanism, light beam scanning device and positioning system |
| CN107833523A (en) * | 2017-11-08 | 2018-03-23 | 深圳蓝普科技有限公司 | A kind of flexible LED display screen |
| CN111768736A (en) * | 2020-07-22 | 2020-10-13 | 北京集创北方科技股份有限公司 | LED display unit and LED display device |
-
2011
- 2011-03-23 CN CN2011200789601U patent/CN201965869U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522047A (en) * | 2011-12-12 | 2012-06-27 | 中国航空无线电电子研究所 | Light on-board intelligent multifunctional display |
| CN103260349A (en) * | 2012-02-15 | 2013-08-21 | 深圳市科伦特科技有限公司 | Soft and hard circuit board combined type light-emitting diode (LED) display module |
| CN104424844A (en) * | 2013-08-26 | 2015-03-18 | 联想(北京)有限公司 | Flexible display device and electronic product |
| CN104252842A (en) * | 2014-09-18 | 2014-12-31 | 苏州合欣美电子科技有限公司 | LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards |
| CN104952394A (en) * | 2015-06-30 | 2015-09-30 | 苏州合欣美电子科技有限公司 | Drive circuit for one-eighth scanning LED display screen |
| CN106054377A (en) * | 2016-08-05 | 2016-10-26 | 北京国承万通信息科技有限公司 | Light beam scanning mechanism, light beam scanning device and positioning system |
| CN107833523A (en) * | 2017-11-08 | 2018-03-23 | 深圳蓝普科技有限公司 | A kind of flexible LED display screen |
| WO2019091058A1 (en) * | 2017-11-08 | 2019-05-16 | 深圳蓝普科技有限公司 | Flexible led display screen |
| CN111768736A (en) * | 2020-07-22 | 2020-10-13 | 北京集创北方科技股份有限公司 | LED display unit and LED display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN JIUJIA JINGPIN TECHNOLOGY DEVELOPMENT CO. Free format text: FORMER OWNER: DESIGNLED TECHNOLOGY CO., LIMITED Effective date: 20130418 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130418 Address after: 518000, building, B building, the Peach Garden science and Technology Innovation Park, Xixiang street, Shenzhen, Guangdong, 205 Patentee after: Shenzhen City Jia poly crystal technology development Co. Ltd. Address before: 518000, building, B building, the Peach Garden science and Technology Innovation Park, Xixiang street, Shenzhen, Guangdong, 206 Patentee before: Shenzhen Wonderful High Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
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| CX01 | Expiry of patent term |