CN100533514C - Led display screen driving structure - Google Patents
Led display screen driving structure Download PDFInfo
- Publication number
- CN100533514C CN100533514C CNB2003101216255A CN200310121625A CN100533514C CN 100533514 C CN100533514 C CN 100533514C CN B2003101216255 A CNB2003101216255 A CN B2003101216255A CN 200310121625 A CN200310121625 A CN 200310121625A CN 100533514 C CN100533514 C CN 100533514C
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- led
- led display
- display screen
- lamp house
- light emitting
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Abstract
The invention discloses a new LED display screen driving structure, including: a whole frame of display screen and many display screen driving units, where the driving unit includes a forebody bracket, a metallic lamp box and a LED display driving board; and its characteristic: the forebody bracket is a plastic mould-pressed piece, on which there is a matrix elliptic hole, each hole in which has an outline consistent with that of a LED, the surface of the lamp box is distributed with round holes that the LEDs can be socketed in and able to position a LED nylon bracket, the LED display driving board is a multilayer PCB, the LEDs and IC driving chips are integrated on a LED display driving board. The special LED nylon bracket is socketed with a light emitting tube, and the LED display driving board, the lamp box and the forebody bracket are fixed together in one through a mechanical screw rod.
Description
Technical field:
The present invention is a kind of LED display drives structure, is mainly used in monochrome, double-colored or full color is outdoor and indoor type LED display product scope.
Background technology:
The LED electronic display is the communications media of the public information issue of present widespread use, be to utilize light emitting diode to be regularly arranged into the flat display screen that rectangular lattice is formed as basic pixel, it have luminescence efficiency height, long service life, configuration flexibly, characteristics such as rich color.At present, though the LED light emitting diode itself belongs to semiconductor devices, its light-emitting area has the characteristics of anticorrosive humidity,, the display screen drive part that drives its luminous demonstration is made of highdensity SIC (semiconductor integrated circuit) really, is difficult to adapt to round-the-clock outdoor work environment.
Prior art is that the display screen drive part is decomposed at present: 7 major parts such as preceding body support frame 1, epoxy resin sealant layer 2, LED lamp plate 3, back body support frame 4, O-ring seal 5, metal lamp house 6, IC chip wiring board 8, by a series of technological process of productions it is closely combined equippedly, reach " three is anti-" purpose.But the problem that this generally popular frame mode at present brings is:
1. because the main part of said structure all is in the front surface of display screen lamp box, therefore display screen is after integral installation is finished, in case the display device of front surface breaks down, very difficult it is torn open but changed, can only take the mode of accompanying drawing 2 to operate from the front surface of display screen, its operation easier be well imagined.
2. because epoxy resin sealant is difficult to its removal after solidifying,, can't debugs and change the light emitting diode on the LED lamp plate in case therefore light emitting diode is damaged.
3. owing to above-mentioned 2 reasons, cause the pixel point out of control of LED display product to be keeped in repair timely and effectively, reduced the figure of merit of product.Therefore, in " the LED display product standard SJ/T 11141-1997 " of country's promulgation, the pixel rate out of control of the regulation of having to LED display is promptly calculated specification product smaller or equal to 3/1000ths.
4. because the number of components of said structure is many, and only the member of plastics and rubber mold just has 3, quality of fit requires high, has not only increased the weight of display unit, and causes the difficulty of each member processing to increase.Increased the whole manufacturing cost of display screen simultaneously.
5, technological process is loaded down with trivial details, the production and processing inefficiency.At present the display screen process and assemble cycle of producing in this kind mode is generally about 15 days to 20 days.
6. because when adopting a large amount of epoxide-resin glues that light emitting diode is carried out embedding, its hardening agent can volatilize toxic gas, serious pollution environment, health is worked the mischief.
In a word, because the existence of the problems referred to above makes that the quality quality of LED display product can't effectively be improved, influenced this product popularizing and the Development Technology scheme on market
The purpose of this invention is to provide a kind of new LED display screen drives structure, design philosophy of the present invention is attached most importance to from following three aspects and is considered: 1. conceive the new installation thinking of LED display driver element at first again, determine to have only back LED display driver plate can be installed or torn open but from display screen, could realize convenient and reasonable fitting operation, the maintainability of display products is improved greatly.2. be conceived to more rational LED display driver element three anti-treatment technologies, adopt advanced at present macromolecule polymeric material to carry out " three is anti-" and handle.3. reorganize the display driver structure division, reasonably reduce the number of components.
Composition of the present invention comprises: display screen general frame and a plurality of LED display driver element, it is characterized in that: the display screen driver element includes preceding body support frame 13, metal lamp house 12, LED display driver plate 10 is an one by mechanical screws 14 fixed L ED display driver plates and metal lamp house 12 and preceding body support frame 13 threes.
Described metal lamp house 12 is the machine assembly framework and the syndeton of building and installing of entire display screen, front surface be placed with can with light emitting diode plug-in mounting and and LED nylon support 16 circular hole of locating mutually.
Described LED display driver plate is a multilayer board, and LED light emitting diode and IC chip for driving are integrated on the LED display driver printed line road.Special LED nylon bracket 16 plug-in mounting luminotrons 11, luminotron n metal pin is sealed on the special LED nylon bracket 16, after the welding of LED display driver slab integral is finished, carry out dipping lacquer with the resin material of high molecular polymer and handle, the luminotron (11) on the LED display driver plate inserts the light emitting diode mounting hole on metal lamp house 12 and the preceding body support frame 13. and by mechanical screws 14 fixed L ED display driver plates and metal lamp house 12 and preceding body support frame 13 threes is one.
Description of drawings:
Fig. 1 is a prior art decomposition chart of the present invention;
Fig. 2 is traditional display screen maintenance mode synoptic diagram;
Fig. 3 is the display screen maintenance mode synoptic diagram of the present invention after improving;
Fig. 4 is a decomposition chart of the present invention;
Fig. 5 structure wiring layout of the present invention.
7 are fixedly spiral shell inspection among Fig. 1;
Embodiment:
Metal lamp house can adopt the thick zinc-plated sheet material of 1mm, front surface be placed with can with the light emitting diode plug-in mounting and and the LED nylon support circular hole of locating mutually, finish the processing of surface plastic spraying coating antiseptic by numerical control punching, numerical control bending automated machine manufacturing process.The effect of metal lamp house is on the one hand to be to provide installation frame and guard shield as LED display driver plate, Switching Power Supply etc. by the ingredient of display unit inside, on the other hand for entire display screen build and installation provides machine assembly framework and syndeton.
LED display driver plate has been taked 4 laminate technologies, has abandoned traditional LED lamp plate and the layering of IC chip wiring board dress inserting structure, but LED light emitting diode and IC chip for driving are integrated on the circuit board structure.Like this, both improved the integrated level of wiring board, reduced the number of components, and simultaneously, also can avoid because the unreliable factor that the connector that layering dress inserting structure uses brings.Because the metal material of LED pin is exposed in the extraneous air, is subjected to air or rain erosion easily.Therefore, the present invention has designed special LED nylon bracket, and in process of manufacture, LED nylon internal stent has poured into three anti-insullac, on the plug-in mounting behind the luminotron with thorough seal protection of metal pin and support.Like this, not only expanded the protective range of LED light emitting diode, and can light emitting diode have been ajusted alignment, made LED display driver plate cooperate very accurate with the installation of preceding body support frame and metal lamp house by support.After the welding of LED display driver slab integral is produced and is finished, also to use the resin material of high molecular polymer to carry out the dipping lacquer processing, make the circuit degree of protection reach resistance and wear intensity greater than 40kv/mm, immersion intensity reached immersion after 24 hours, resisted and wore intensity greater than 30Kv/mm.Can relievedly install from display screen body back and preceding body support frame and metal lamp house reliably through the LED display driver plate of above-mentioned processing, and can tear open easily but from screen body back and keep in repair.The another one advantage that this open hermetically-sealed construction brings is that result of ventilating heat dissipation is better than with the structure of epoxy resin with whole light emitting diode matrix perfusion sealing.Preceding body support frame 13 adopts the mechanical screws nuts equipped with metal lamp house 12, and with sealing around the small amount of epoxy resin glue general, LED display driver plate after then processing being finished dealing with is from the lamp box back, the mechanical screws extended end location of the equipped usefulness of body support frame and lamp box is equipped fastening with nut at last before utilizing.
Advanced person's disclosed by the invention LED display drives structure device can effectively solve the defective of prior art, strengthens the adaptive faculty of display screen to indoor and outdoor surroundings, improves the integral product quality of display screen.
The advantage of maximum of the present invention is to greatly facilitate production, the accent of LED display product Examination, installation and maintenance have thoroughly changed the LED display product and can't safeguard that production technology is multiple Assorted, assemble loaded down with trivial details chronic disease, realized the index of out of control some rate of LED display pixel is fallen Be 0, the national standard well below 3/1000ths. In addition because succinct, the composition of structure The minimizing of member and raw-material saving are so that the cost of LED display, and assembling Simple and convenient, production and processing efficient height, the while has also been improved the quality quality of whole product.
Claims (1)
1. LED display drives structure, its structure is formed and is comprised: display screen general frame and a plurality of display screen driver element, described display screen driver element includes preceding body support frame (13), metal lamp house (12), LED display driver plate (10) is an one by mechanical screws (14) fixed L ED display driver plate and metal lamp house (12) and preceding body support frame (13) three; It is characterized in that: body support frame (13) is to adopt high temperature resistant, uvioresistant, erosion-resisting black matt PC plastic pattern casting die before described, be installed in the front surface of metal lamp house (12), slotted eye with the corresponding to arranged of light emitting diode physical dimension is arranged above, each slotted eye lateral surface all has the rectangle shading dustproof along (15), with epoxide-resin glue and metal lamp house adhering and sealing, form a complete machinery and install and protective unit around its edge; Described metal lamp house (12) is the machine assembly framework and the syndeton of building and installing of entire display screen, front surface be placed with can with the light emitting diode plug-in mounting and and LED nylon support (16) circular hole of locating mutually; Described LED display driver plate is a multilayer board, LED light emitting diode and 1C chip for driving are integrated on the LED display driver printed line road, special LED nylon bracket (16) plug-in mounting luminotron (11), luminotron (11) metal pin is sealed on the special LED nylon bracket (16), after the welding of LED display driver slab integral is finished, resin material with high molecular polymer carries out the dipping lacquer processing, and the luminotron (11) on the LED display driver plate inserts the light emitting diode mounting hole on metal lamp house (12) and the preceding body support frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101216255A CN100533514C (en) | 2003-12-30 | 2003-12-30 | Led display screen driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101216255A CN100533514C (en) | 2003-12-30 | 2003-12-30 | Led display screen driving structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1556516A CN1556516A (en) | 2004-12-22 |
| CN100533514C true CN100533514C (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101216255A Expired - Fee Related CN100533514C (en) | 2003-12-30 | 2003-12-30 | Led display screen driving structure |
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| Country | Link |
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| CN (1) | CN100533514C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10741107B2 (en) | 2013-12-31 | 2020-08-11 | Ultravision Technologies, Llc | Modular display panel |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101652032B (en) * | 2008-08-15 | 2014-07-30 | 北京中庆微数字设备开发有限公司 | PCB composite board with fixing device |
| CN101751830B (en) * | 2008-11-28 | 2012-02-29 | 昆山引光奴电子科技有限公司 | Hand-holding control portable medium LED display screen |
| CN102122463B (en) * | 2011-03-24 | 2015-04-15 | 李海涛 | Manufacturing method of chip LED (light emitting diode) display screen |
| US8974077B2 (en) | 2012-07-30 | 2015-03-10 | Ultravision Technologies, Llc | Heat sink for LED light source |
| CN103244911A (en) * | 2013-05-24 | 2013-08-14 | 中航华东光电有限公司 | LED (Light-Emitting Diode) lamp panel with good heat radiation performances and heat radiation installation method |
| US9582237B2 (en) | 2013-12-31 | 2017-02-28 | Ultravision Technologies, Llc | Modular display panels with different pitches |
| CN103887415B (en) * | 2014-03-14 | 2017-05-24 | 深圳市联腾科技有限公司 | Long-afterglow LED illuminant, outdoor LED display screen and afterglow display and control method |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| CA2948112A1 (en) * | 2016-11-10 | 2018-05-10 | Media Resources Inc. | System, method and apparatus for directed led display |
-
2003
- 2003-12-30 CN CNB2003101216255A patent/CN100533514C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10741107B2 (en) | 2013-12-31 | 2020-08-11 | Ultravision Technologies, Llc | Modular display panel |
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| Publication number | Publication date |
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| CN1556516A (en) | 2004-12-22 |
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Granted publication date: 20090826 Termination date: 20121230 |