CN202303210U - Light-leakage prevention structure for module of LED (light emitting diode) lamp display - Google Patents
Light-leakage prevention structure for module of LED (light emitting diode) lamp display Download PDFInfo
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- CN202303210U CN202303210U CN201120410274XU CN201120410274U CN202303210U CN 202303210 U CN202303210 U CN 202303210U CN 201120410274X U CN201120410274X U CN 201120410274XU CN 201120410274 U CN201120410274 U CN 201120410274U CN 202303210 U CN202303210 U CN 202303210U
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Abstract
The utility model discloses a light-leakage prevention structure for a module of an LED (light emitting diode) lamp display, which comprises a reflector, a PCB (printed circuit board) and toughened glass which are overlaid one another in sequence, wherein a plurality of PINs are arranged on the back of the PCB; a rubber sheet is superposed between one side of the PCB with the PINs and the toughed glass; and three rubber sheets are arranged in parallel at an interval, and respectively placed on two ends and at the center of the PINs of the PCB. Therefore, as the rubber sheets has certain elasticity, when pressure is applied to the toughed glass, the rubber sheets lead the PINs of the PCB to be stressed uniformly, and the engagement of the reflector and the PCB becomes closer, the product quality is improved, more importantly, the situation that the hard PINs and the hard toughed glass are contacted with each other is better solved by using the rubber sheets, the assembly of the reflector does not have a parallel problem, and the phenomenon of light leakage generated after the reflector and the PCB are cured can be effectively avoided.
Description
Technical field
The utility model relates to LED lamp field of display technology, refers in particular to a kind of anti-light leakage structure of module of the LED of being used for lamp display.
Background technology
Existing display is LED lamp display mostly, and it has advantages such as low in energy consumption, that the life-span is long.Because each LED circuit for lamp of modular design is independently, thus each character of display floater more flexibly controlled through circuit, so module is the indispensable part of display.
At present, as shown in Figure 1, the structure of module by reflector 10 ' with pcb board 20 ' form a safety glass 40 ' be installed on the back side of pcb board.This reflector 10 ' with pcb board 20 ' be stacked structural relation up and down because pcb board 20 ' the bottom have many PIN pins 21 '.Generally speaking; In installation process, need with pcb board 20 ' with reflector 10 ' inversion after, in pcb board 20 ' PIN pin 21 ' directly over directly folded last layer safety glass 40 '; And, make the two superimposed being fixed together in safety glass 40 ' last weight application.Yet, in safety glass 40 ' application of force, can produce PIN pin 21 ' with safety glass 40 ' very stiff and demanding phenomenon, cause pcb board 20 ' with reflector 10 ' not parallel, cause the two superimposed curings generation light leak afterwards.
In a single day light leakage phenomena appears in LED lamp display, and it shows that the result can show mistake.For example; Under the lighttight state, when showing Arabic numerals, need to use 7 sections independent LED circuit for lamp to be stitched together to accomplish and show with LED lamp display; When needs show Arab " 8 " word; 7 sections independent LED circuit for lamp are simultaneously shinny, and if during Arab " 0 " word, and 6 sections independent LED circuit for lamp that only need periphery shinny, horizontal one section independent LED circuit for lamp in the centre simultaneously do not need shinny getting final product.When LED lamp display has light leak, showing Arabic numerals " 0 " word; Reason owing to light leak; Can cause the LED light on next door to penetrate; It is shinny the same that horizontal one section independent LED circuit for lamp in the centre is looked like, and is difficult to finally recognize that LED lamp display has shown " 0 " word or " 8 " word.Therefore, demand seeking the light leak problem that a kind of new scheme solves LED lamp display urgently.
The utility model content
In view of this, the utility model is to the disappearance of prior art existence, and its main purpose provides a kind of anti-light leakage structure of module of the LED of being used for lamp display; The parallel nothing with reflector of its pcb board tilts; Light leakage phenomena can not occur, product connects closely, and quality is high.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of anti-light leakage structure that is used for the module of LED lamp display; It comprises reflector, pcb board and the safety glass that is superimposed with each other successively together; The back side of this pcb board is provided with several PIN pins, and this pcb board has between one side and the safety glass of PIN pin and is stacked with sheet rubber.
As a kind of preferred version, said sheet rubber be provided with three that quantity is arranged for spacing side by side, these three sheet rubbers are placed on the two ends and the centre position of the PIN pin of pcb board respectively.
As a kind of preferred version, said sheet rubber is rectangular laminar.
As a kind of preferred version, said sheet rubber is the EPDM synthetic rubber.
The utility model compared with prior art has tangible advantage and beneficial effect; It mainly lies between the PIN pin of safety glass and pcb board sheet rubber is set; Because sheet rubber has certain elasticity, when on safety glass, exerting pressure, sheet rubber makes the PIN pin of pcb board stressed evenly; Thereby coincideing of reflector and pcb board is more tight, and product quality is improved.The more important thing is that sheet rubber has solved PIN pin and the very stiff and demanding situation of safety glass better, the installation of reflector does not have not parallel problem, effectively avoids reflector and pcb board to solidify the phenomenon that the back produces light leak.
In addition; Because being arranged on the PIN pin and the sheet rubber between the safety glass of pcb board is to adopt the EPDM tartan to process; This material has good high temperature resistant advantage; Elastic performance is stronger, can play good shockproof effect on the one hand, and another can withstand the heat that sheds of each PIN pin.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the rear view of assembled state of the module of conventional art;
Fig. 2 is the package assembly sketch map of the preferred embodiment of the utility model;
Fig. 3 is the decomposition texture sketch map of the preferred embodiment of the utility model;
Fig. 4 is the rear view of assembled state of the preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10 ', reflector 20 ', pcb board
21 ', PIN pin 40 ', safety glass
10, reflector 11, alignment pin
20, pcb board 21, PIN pin
30, sheet rubber 40, safety glass.
The specific embodiment
At first, please extremely shown in Figure 4 with reference to Fig. 2, it has demonstrated the concrete structure of the preferred embodiment of the utility model, and it comprises reflector 10, pcb board 20, sheet rubber 30 and safety glass 40.This reflector 10 forms module with the PBC plate, and safety glass 40 is placed on the below of module, and sheet rubber 30 is arranged between the PIN pin top and safety glass 40 of module.
Particularly, this reflector 10 is one to be tetragonal flake structure, and the four directions, the back side of reflector 10 is provided with alignment pin 11, and this alignment pin 11 is to be used for spiral-lock in electric equipment products such as refrigerator, air-conditioning, washing machines.The plate face size of said pcb board 20 is consistent with the inner chamber size at reflector 10 back sides; The bottom vertical of this pcb board 20 is provided with many PIN pins 21; These PIN pins 21 all are to be processed by electric conductivity preferred metal material; It is connected between the electronic component and power end of pcb board 20, and each electronic devices and components conducting is used.
As shown in Figure 3, in the installation process of pcb board 20 and reflector 10, need these two assembling fittings inversions are come; At this moment; Said safety glass 40 be stacked in pcb board 20 PIN pin 21 directly over, and, between safety glass 40 and PIN pin 21, place several piece sheet rubber 30.This sheet rubber 30 is the EPDM synthetic material, and this material has certain elasticity, and resistant to elevated temperatures advantage is arranged, and can play good shockproof effect on the one hand, and another can withstand the heat that sheds of each PIN pin 21.Safety glass 40 in the present embodiment is of a size of 420*350*7mm; And sheet rubber 30 is rectangular laminar; Sheet rubber 30 be provided with three that quantity is arranged for spacing side by side; These three sheet rubbers 30 are placed on the two ends and the centre position of the PIN pin top of pcb board 20 respectively, yet the quantity that is provided with of sheet rubber 30 is not exceeded with three.
The installation process of this module can be accomplished according to the following steps: at first; Earlier reflector 10 and pcb board 20 are stacked together with overlapping up and down; Again with this two assembly upside down of being superimposed together, the PIN pin 21 that makes pcb board 20 up, the plane of pcb board 20 faces the cavity at reflector 10 back sides.Then, all place sheet rubber 30, then folded last layer safety glass 40 directly over sheet rubber 30 in the both sides and the centre of PIN pin 21.Weight application in the middle of the top of safety glass 40 is pressed in the cavity of reflector 10 the plate face of pcb board 20 at last.
In sum; The design focal point of the utility model is; It mainly lies between the PIN pin of safety glass and pcb board sheet rubber is set, because sheet rubber has certain elasticity, when on safety glass, exerting pressure; Sheet rubber makes the PIN pin of pcb board stressed evenly, thereby coincideing of reflector and pcb board is more tight.The more important thing is that sheet rubber has solved PIN pin and the very stiff and demanding situation of safety glass better, the installation of reflector does not have not parallel problem, effectively avoids reflector and pcb board to solidify the phenomenon that the back produces light leak.
In addition; Because being arranged on the PIN pin and the sheet rubber between the safety glass of pcb board is to adopt the EPDM tartan to process; This material has good high temperature resistant advantage; Elastic performance is stronger, can play good shockproof effect on the one hand, and another can withstand the heat that sheds of each PIN pin.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. anti-light leakage structure that is used for the module of LED lamp display; It comprises reflector, pcb board and the safety glass that is superimposed with each other successively together; The back side of this pcb board is provided with several PIN pins, it is characterized in that: this pcb board has between one side and the safety glass of PIN pin and is stacked with sheet rubber.
2. the anti-light leakage structure that is used for the module of LED lamp display according to claim 1; It is characterized in that: said sheet rubber be provided with three that quantity is arranged for spacing side by side, these three sheet rubbers are placed on the two ends and the centre position of the PIN pin of pcb board respectively.
3. the anti-light leakage structure that is used for the module of LED lamp display according to claim 2 is characterized in that: said sheet rubber is rectangular laminar.
4. the anti-light leakage structure that is used for the module of LED lamp display according to claim 3 is characterized in that: said sheet rubber is the EPDM synthetic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120410274XU CN202303210U (en) | 2011-10-25 | 2011-10-25 | Light-leakage prevention structure for module of LED (light emitting diode) lamp display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120410274XU CN202303210U (en) | 2011-10-25 | 2011-10-25 | Light-leakage prevention structure for module of LED (light emitting diode) lamp display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202303210U true CN202303210U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120410274XU Expired - Lifetime CN202303210U (en) | 2011-10-25 | 2011-10-25 | Light-leakage prevention structure for module of LED (light emitting diode) lamp display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202303210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731109A (en) * | 2017-10-25 | 2018-02-23 | 江苏稳润光电科技有限公司 | A kind of charactron for improving light leak |
-
2011
- 2011-10-25 CN CN201120410274XU patent/CN202303210U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731109A (en) * | 2017-10-25 | 2018-02-23 | 江苏稳润光电科技有限公司 | A kind of charactron for improving light leak |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |