CN202584606U - Straight-insert type light emitting diode (LED) lamp display screen - Google Patents
Straight-insert type light emitting diode (LED) lamp display screen Download PDFInfo
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- CN202584606U CN202584606U CN 201220101225 CN201220101225U CN202584606U CN 202584606 U CN202584606 U CN 202584606U CN 201220101225 CN201220101225 CN 201220101225 CN 201220101225 U CN201220101225 U CN 201220101225U CN 202584606 U CN202584606 U CN 202584606U
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Abstract
The utility model discloses a display screen with a straight-insert type light emitting diode (LED) lamp. The display screen comprises LED chips, pins, a reflection cup and a shell body. The LED chips are placed inside the reflection cup, the LED chips comprises a red-light LED chip, a green-light LED chip, a blue-light LED chip and other fundamental color LED chips, and the fundamental color LED chips are distributed in the reflection cup. Each pin comprises a public power input pin and data pins. The data pins comprise three fundamental color pins which are a red pin, a green pin and a blue pin. The shell body is provided with a round top with a wide radiation angle, the emitting angle of the straight-insert type LED lamp can be large, and the high-intensity LED display screen is suitable for large-scale industrial production.
Description
Technical field
The utility model relates to a kind of LED display, particularly straight cutting LED lamp display screen.
Background technology
LED (light emitting diode light emitting diode is called for short LED).It is that a kind of light on and off through the control semiconductor light-emitting-diode come character display.Be used for the display screen of various information such as display text, figure, image, animation, market, video, video signal.
LED (light emitting diode light emitting diode is called for short LED) display screen is made up of the LED dot matrix; Through redness, blueness, the light on and off of green LED lamp come display text, picture, animation, video; Content can be changed at any time, and the each several part assembly all is the display device of modular construction.Usually form by display module, control system and power-supply system.
The dot matrix that display module is made up of the LED lamp constitutes, and is responsible for luminous demonstration; Control system can let contents such as screen displaying character, picture, video through the light on and off of control respective regions; Power-supply system is responsible for transferring input voltage and input current to display screen required voltage electric current.
The red, green, blue light that LED sends is according to its different wave length characteristic and roughly be divided into purplish red, pure red, orange red, orange, orange, yellow, yellowish green, pure green, emerald green, bluish-green, ethereal blue, royal purple etc.; Purer red, pure green, the ethereal blue of orange red, yellowish green, bluish violet, the colored required three basic colors red, green, blue that shows.
Single primary colours display screen: solid color (redness, green and yellow etc.).
The dual base color display screen: red and green dual base color, can show 65536 kinds of colors at 256 grades of gray scales.
Full-colour display screen: red, green, blue three primary colours, the full-colour display screen of 256 grades of gray scales can show more than 1,600 ten thousand kinds of looks.
Colorful display screen adopts a large amount of LED to form array, forms a pixel cell by the LED of a plurality of primary colours, and so, basic pixel needs two or three even four primary-color LEDs make the resolution of display screen not allow to be easy to do greatly.
Existing screen much adopts straight cutting LED lamp, the housing of straight cutting LED lamp (generally being plastic package); The ratio of the diameter of lamp body and the height of lamp body; All, under the scene of extensive display applications, make that the thickness of screen is higher below 70%; Among the large-scale production, material own and encapsulant consumption are all high.
The housing of straight cutting LED lamp is thick, causes the heat of LED lamp to be difficult to shed, use that can not large scale and high density.
Adopt the display screen of straight cutting LED lamp, (R is red, and G is green to adopt RGB basically; With the blue look of B) three kinds of LED lamps or adopt RGBW (R is red, the green and blue look of B of G; W white) four kinds of LED lamps are formed, and single pixel needs the LED of a plurality of monochromes to show that jointly display screen is difficult for accomplishing high density.
Three-in-one straight cutting LED lamp has 4 pins, and pin densities is high, and the pad of printed panel is difficult to arrange that highdensity pad can produce the pin adhesion when crossing wave-soldering, and rejection rate is high, and three-in-one straight cutting LED lamp is difficult on LED display, extensively adopt always.
Summary of the invention
The fundamental purpose of the utility model is that a kind of LED display module that adopts an independent LED encapsulated LED display screen and form LED display is provided.
Be to realize above-mentioned purpose, the utility model proposes a kind of display screen that adopts straight cutting LED lamp, comprises led chip, pin, and reflector, housing, said led chip are positioned within the said reflector, and the ratio of the diameter of said housing and the height of housing is greater than 75%.Said straight cutting LED lamp comprises red-light LED lamp, green light LED lamp, blue LED lamp.
For realizing high density pixel purpose, the utility model proposes a kind of display screen that adopts three-in-one straight cutting LED lamp, comprises the three-in-one LED lamp of straight cutting; The ratio of the diameter of the housing of said LED lamp and the height of housing is greater than 75%, and said led chip comprises red LED chip, green light LED chip, blue-light LED chip; Said primary-color LED chip straight line is distributed in the said reflector, and said reflector is rectangle or oval or oblong, and said pin is four pins (1. 2. 3. 4.); R negative pole pin (1.); Be total to anode pin (2.), G negative pole pin (3.), B negative pole pin (4.).
In order to realize the high density pixel, the utility model adopts three-in-one straight cutting LED lamp to make the display module of display screen, and this display module comprises pcb board (printed circuit board (PCB)); Housing, three-in-one straight cutting LED lamp, controlling and driving led chip; Display screen as claimed in claim 3; It is characterized in that, not of uniform size the causing of bonding pad area that said pcb board and said straight cutting LED lamp pin link, the area of pin one pad or pin four pads is greater than the area of pin two pads and pin three pads.The pad that said pcb board and said three-in-one straight cutting LED lamp pin link is an oblong, increases the area of pad, and the heat of being convenient to the LED lamp distributes through the PCB circuit.
A kind of straight cutting LED lamp display screen; Comprise LED lamp display panel module pcb board; The pad that comprises four pins of three-in-one straight cutting LED lamp; Said pad is pin one pad, pin two pads, pin three pads, pin four pads, also comprises at least one shunting pad, and said shunting pad is near pin one pad or pin four pads; Said shunting pad comprises an empty welding hole at least or links to each other with said pin one pad or pin four pads.
A kind of straight cutting LED lamp display screen comprises LED lamp display panel module, comprises pcb board, straight cutting LED lamp; Said LED lamp comprises led chip, pin, reflector; Housing, said led chip are positioned within the said reflector, and said reflector is connected with one of said pin; Said led chip links to each other with pin through lead, and said straight cutting LED lamp is flat-top or is dome significantly that the distance that the arc of said dome pushes up at the bottom of the arc is less than 40% with diameter ratio;
Said straight cutting LED lamp is three-in-one straight cutting LED lamp, and said led chip comprises red LED chip, green light LED chip, blue-light LED chip; Said primary-color LED chip straight line is distributed in the said reflector, and said reflector is rectangle or oval or oblong, and said pin is four pins (1. 2. 3. 4.); R negative pole pin (1.); Be total to anode pin (2.), G negative pole pin (3.), B negative pole pin (4.);
Above-mentioned display panel module; The pad that said pcb board and said straight cutting LED lamp pin link is oblong and rectangle; Corresponding first pad of said R negative pole pin is an oblong, and said altogether second pad that the anode pin is corresponding is a rectangle, and the 3rd pad that said G negative pole pin is corresponding is an oblong; The 4th pad that said B negative pole pin is corresponding is an oblong; The housing of said straight cutting LED lamp pin directly contacts with said pcb board, and said pcb board surface coverage fluid sealant, said fluid sealant seal the slit and exposed pcb board surface between said straight cutting LED lamp and the PCB.
Above-mentioned display panel module; Said pcb board comprises the pad of four pins of three-in-one straight cutting LED lamp, and said pad is pin one pad, pin two pads, pin three pads, pin four pads; Also comprise at least one shunting pad, said shunting pad is near pin one pad or pin four pads.
Because adopt above scheme, the utility model has brought following beneficial effect:
The utility model adopts the ratio of diameter and the height of housing of housing of LED lamp greater than 75%, and the light that led chip sends convergence angle forward is little, the display screen forward direction light high conformity of making, and what pin was wrapped simultaneously lacks, and heat is easy to shed;
The three-in-one LED lamp of straight cutting that the utility model adopts, among single lamp, integrated three kinds of Essential colour have realized high density single-point pixel;
The pad of the three-in-one LED pin of straight cutting that the utility model adopts; Adopted oblong or rectangular pad, the minor axis of pad is arranged in the gap of LED pin, and major diameter is vertical with the gap of LED pin; Oblong pad; Area is big, is easy to heat radiation, makes that the three-in-one LED lamp of high density straight cutting can be extensively practical among the high density display screen;
For the smooth wave-soldering of crossing, the utility model is employed in the first pin pad and the 4th pin pad is placed unnecessary welding hole, in welding process, receives the welding fluid of liquid state, makes the welding fluid adhesion.
For the smooth wave-soldering of crossing, the utility model adopts and increases first pin and the 4th pin pad, in welding process, receives the welding fluid of liquid state, makes the welding fluid adhesion.
Because of the ratio of the diameter of the LED lamp housing of the utility model and the height of housing greater than 75%; It is good that forward direction converges characteristic; The LED lamp need not require to be arranged on the par height, so the pin of the straight cutting LED lamp of the utility model do not need the screens pin, and the housing of LED directly contacts with PCB; The marine glue that adopts is saved more than 50% at least, has reduced the production and processing difficulty simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of existing straight cutting LED housing.
Fig. 2 adopts straight cutting LED shell structure perspective diagram for embodiment.
Fig. 3 is three-in-one straight cutting LED structure perspective diagram for embodiment adopts.
Three-in-one straight cutting LED forms the display screen synoptic diagram to Fig. 4 for embodiment adopts.
Three-in-one straight cutting LED forms the display module synoptic diagram to Fig. 5 for embodiment adopts.
Three-in-one straight cutting LED forms display module inner structure synoptic diagram to Fig. 6 for embodiment adopts.
Three-in-one straight cutting LED forms the inner printed board sealing of display module synoptic diagram to Fig. 7 for embodiment adopts.
Three-in-one straight cutting LED forms the inner printed board pad of display module synoptic diagram to Fig. 8 for embodiment adopts.
Figure 81 is three-in-one straight cutting LED pad synoptic diagram for embodiment adopts.
Figure 82 is three-in-one many welding holes of straight cutting LED pad synoptic diagram for embodiment adopts.
Figure 83 and Figure 84 be three-in-one straight cutting LED shunting pad synoptic diagram for embodiment adopts.
Figure 85 is three-in-one straight cutting LED shunting pad printed board synoptic diagram for embodiment adopts.
Embodiment
Below through concrete embodiment and combine accompanying drawing to the utility model further detailed description.
Housing (generally being plastic package) for two kinds of straight cutting LED lamps in the prior art shown in Figure 1, in order to realize the forward direction optically focused of LED lamp, the ratio of the diameter of housing and the height of lamp body is all under 75%; The ratio of the diameter of the housing of two kinds of straight cutting LED lamps commonly used that provide like figure one and the height of lamp body is respectively 5/8=63%, and 8/11=72% is under the scene of extensive display applications; Make the thickness that shields than higher; Make light converge at less angle simultaneously, display screen is watched in different angles, different experience is arranged; Being not easy to straight cutting LED uses under the display screen scene; The top amplitude of the encapsulation of existing straight cutting LED lamp is big simultaneously, and camber and diameter ratio are big, and it is less that the forward direction of same light compiles angle.；
As shown in Figure 2: under the display screen scene was used, the diameter 31 of lamp body was 5/6=83% with the ratio of the height 32 of lamp body, and the amplitude of the dome of lamp body is big, and camber and diameter ratio are 1.7/5=34%.
As shown in Figure 3: adopt the concrete design example of the utility model, three-in-one straight cutting LED comprises led chip 45,46,47, pin 1. 2. 3. 4., 1. R negative pole, 2. anode, 3. G negative pole, 4. B negative pole altogether; Reflector 42, housing 25, said led chip are positioned within the said reflector;
In conjunction with shown in Figure 3; Said led chip; Comprise red LED chip 46, green light LED chip 47, blue-light LED chip 45 primary-color LED chips; Said primary-color LED chip distribution is in said reflector, and said led chip links to each other with pin through line 43, links through line and blue-light LED chip 45 like pin 41;
In conjunction with shown in Figure 3,2. said pin is public power input (anode altogether) (or common cathode), and 2. said pin links to each other with reflector 42.
Under the display screen scene was used, in order to obtain mixed light effect preferably, three led chip being aligneds were arranged; And be positioned among ellipse or rectangle or the long disciform reflector, and arrange, so along long limit; Each led chip launch light; Obtain the same reflectivity on long limit, compare three led chip non-rectilinears and arrange, obtain better mixed light effect.
As shown in Figure 4: adopt the concrete design example of the utility model, inner by the display screen that three-in-one straight cutting LED forms because of each lamp, comprised three kinds of Essential colour led chips that complete pixel is required, adopt the straight cutting encapsulation simultaneously;
As shown in Figure 5: the display module of one of embodiment of employing the utility model, display module comprises a plurality of three-in-one straight cutting LED lamps and pcb board, module housing, module sealing glue;
Like Fig. 6 and shown in Figure 7: adopt the display module of one of embodiment of the utility model, display module comprises a plurality of three-in-one straight cutting LED lamps (71) and pcb board (72), and the housing of LED lamp (71) directly contacts with pcb board (72); Pin does not have unsettled, and is as shown in Figure 7, on the surface of pcb board; Need to cover one deck sealing, because of adopting the utility model, it is not too high that the regularity of LED is required; The LED lamp directly is placed on the PCB, does not influence display effect, and the LED lamp directly is placed on pcb board; A large amount of savings adhesive material, the difficulty of processing also reduces significantly simultaneously, has promoted working (machining) efficiency.
Prior art adopts the circle pad, and bonding pad area is little, and in wave-soldering, yields is too low.
As shown in Figure 8: as to adopt three-in-one straight cutting LED lamp; Many and arrange closely because of number of pin; The utility model adopts oblong pad and oblong pad to increase the area of pad, and makes the pad of the three-in-one straight cutting LED of high density can pass through wave-soldering smoothly, the utility model; Adopt the oblong pad to combine with oblong pad; Indicate the position of pad pin, as adopt first pad to adopt the oblong pad, second pad adopts oblong pad to indicate the reference position of pad.Compare tradition and use first pad to indicate the reference position of pad, the area of having saved the whole LED pad is big or small;
As shown in Figure 8: adopt rectangle and oblong pad, the heat that has improved each pin gets heat-sinking capability to pcb board.
Like Figure 81; Pad 811,812,813,814 is respectively the pad of four pins, and 8111 is the welding hole of pad 811, for the welding fluid that received wave-soldering impacts; And receive unnecessary welding fluid; Prevent that welding fluid from piling up between pin, cause the pin adhesion, pad 811 or 814 designs bigger than middle pad;
Like Figure 82, pad 821,822,823,824 is respectively the pad of four pins, and pad 821 is bigger than middle pad; Increase simultaneously and a welding hole 8212, welding hole 8212 when crossing wave-soldering, if excessively wave-soldering order be 824; 823,822,821; Welding fluid will impact 8212, and receives at welding hole 8212 and pad 821, avoids the pin adhesion.
Like Figure 83, pad 831,832,833,834 is respectively the pad of four pins, and welding hole 8311 is arranged in the middle of the pad, also has a pad 835; This pad can not have welding hole, if cross wave-soldering order be 831,832; 833,834, welding fluid will impact shunting pad 835; 835 and 834 directly not link to each other, and welding fluid is difficult to be back to, and avoids the pin adhesion.
Like Figure 84, pad 841,842,843,844 is respectively pin one pad, pin two pads, pin three pads, pin four pads of four pins, and welding hole 8411 is arranged in the middle of the pad, also has a shunting pad 845; This pad can not have welding hole, welding hole can be arranged yet, if cross wave-soldering order be 834,833; 832,831, welding fluid will impact shunting pad 845; 845 and 841 directly not link to each other, and welding fluid is difficult to be back to, and avoids the pin adhesion.
Like Figure 85, be an embodiment, highdensity three-in-one straight cutting LED lamp pad is arranged closely; A shunting pad comes the limit of pin one or pin 4 pads closely, and this shunting pad is when crossing wave-soldering, and order comes at last; This pad has absorbed wave-soldering and has impacted the welding fluid that produces, and the absorption welding fluid, do not reflux adhesion highdensity pin of welding fluid; Adopt this method, make three-in-one straight cutting LED lamp yields in large-scale wave-soldering production run be able to ensure.
The foregoing description is not the restriction to the utility model; Those skilled in the art draw various embodiments through the utility model; The change in size of utility model for example, the variation of arranging of outer shape structure, led chip, material replacement etc. all belong to the protection domain of the utility model.
Claims (10)
1. straight cutting LED lamp display screen, it is characterized in that: comprise pcb board, straight cutting LED lamp, said straight cutting LED lamp comprises led chip; Pin, reflector, housing; Said led chip is positioned within the said reflector; Said reflector is connected with one of said pin, and said led chip links to each other with pin through lead, and the ratio of the diameter of said housing and the height of housing is greater than 75%.
2. display screen as claimed in claim 1 is characterized in that: said straight cutting LED lamp comprises red-light LED lamp, green light LED lamp, blue LED lamp, white LED lamp.
3. display screen as claimed in claim 1 is characterized in that: said straight cutting LED lamp is three-in-one straight cutting LED lamp, said led chip; Comprise red LED chip, green light LED chip, blue-light LED chip, said primary-color LED chip straight line is distributed in the said reflector, and said reflector is rectangle or oval or oblong; Said pin is four pins (1. 2. 3. 4.), R negative pole pin (1.), anode pin (2.) altogether; G negative pole pin (3.), B negative pole pin (4.).
4. display screen as claimed in claim 3 is characterized in that, not of uniform size the causing of bonding pad area that said pcb board and said straight cutting LED lamp pin link, and the area of pin one pad or pin four pads is greater than the area of pin two pads and pin three pads.
5. straight cutting LED lamp display screen; It is characterized in that, comprise pcb board, said pcb board comprises the pad of four pins of three-in-one straight cutting LED lamp; Said pad is pin one pad, pin two pads, pin three pads, pin four pads, also comprises at least one shunting pad;
Said shunting pad is near pin one pad or pin four pads.
6. straight cutting LED lamp display screen as claimed in claim 5 is characterized in that, said shunting pad comprises an empty welding hole at least or links to each other with said pin one pad or pin four pads.
7. straight cutting LED lamp display screen, it is characterized in that: comprise LED lamp display panel module, said display panel module comprises pcb board, straight cutting LED lamp; Said LED lamp comprises led chip, pin, reflector; Housing, said led chip are positioned within the said reflector, and said reflector is connected with one of said pin; Said led chip links to each other with pin through lead, and said straight cutting LED lamp is flat-top or is dome significantly that the distance that the arc of said dome pushes up at the bottom of the arc is less than 40% with diameter ratio.
8. straight cutting LED lamp display screen as claimed in claim 7 is characterized in that: said straight cutting LED lamp is three-in-one straight cutting LED lamp, said led chip; Comprise red LED chip, green light LED chip, blue-light LED chip, said primary-color LED chip straight line is distributed in the said reflector, and said reflector is rectangle or oval or oblong; Said pin is four pins (1. 2. 3. 4.), R negative pole pin (1.), anode pin (2.) altogether; G negative pole pin (3.), B negative pole pin (4.).
9. like claim 7 or 8 described straight cutting LED lamp display screens; It is characterized in that the pad that said pcb board and said straight cutting LED lamp pin link is oblong and rectangle, corresponding first pad of said R negative pole pin is an oblong; Said altogether second pad that the anode pin is corresponding is a rectangle; The 3rd pad that said G negative pole pin is corresponding is an oblong, and the 4th pad that said B negative pole pin is corresponding is an oblong, and the housing of said straight cutting LED lamp pin directly contacts with said pcb board; Said pcb board surface coverage fluid sealant, said fluid sealant seal the slit and exposed pcb board surface between said straight cutting LED lamp and the PCB.
10. like claim 7 or the described straight cutting LED of claim 8 lamp display screen; It is characterized in that; Said pcb board comprises the pad of four pins of three-in-one straight cutting LED lamp, and said pad is pin one pad, pin two pads, pin three pads, pin four pads; Also comprise at least one shunting pad, said shunting pad is near pin one pad or pin four pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101225 CN202584606U (en) | 2012-03-16 | 2012-03-16 | Straight-insert type light emitting diode (LED) lamp display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101225 CN202584606U (en) | 2012-03-16 | 2012-03-16 | Straight-insert type light emitting diode (LED) lamp display screen |
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| CN202584606U true CN202584606U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220101225 Expired - Fee Related CN202584606U (en) | 2012-03-16 | 2012-03-16 | Straight-insert type light emitting diode (LED) lamp display screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738374A (en) * | 2012-05-25 | 2012-10-17 | 深圳市丽晶光电科技股份有限公司 | Full-color direct inserted LED (Light Emitting Diode) lamp bead and display screen thereof |
| CN103400928A (en) * | 2013-07-30 | 2013-11-20 | 中山市川祺光电科技有限公司 | High-cup type three-in-one direct-plug LED (light-emitting diode) lamp |
| CN103441209A (en) * | 2013-08-27 | 2013-12-11 | 深圳雷曼光电科技股份有限公司 | Outdoor display screen and LED packaging devices thereof |
| CN103680340A (en) * | 2013-12-18 | 2014-03-26 | 长春希达电子技术有限公司 | Integrated LED display encapsulated module suitable for ultrahigh display density |
| CN104295952A (en) * | 2014-08-22 | 2015-01-21 | 广州市珠江灯光科技有限公司 | Illumination device and manufacturing method thereof |
-
2012
- 2012-03-16 CN CN 201220101225 patent/CN202584606U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738374A (en) * | 2012-05-25 | 2012-10-17 | 深圳市丽晶光电科技股份有限公司 | Full-color direct inserted LED (Light Emitting Diode) lamp bead and display screen thereof |
| CN102738374B (en) * | 2012-05-25 | 2014-12-03 | 深圳市丽晶光电科技股份有限公司 | Full-color direct inserted LED (Light Emitting Diode) lamp bead and display screen thereof |
| CN103400928A (en) * | 2013-07-30 | 2013-11-20 | 中山市川祺光电科技有限公司 | High-cup type three-in-one direct-plug LED (light-emitting diode) lamp |
| CN103441209A (en) * | 2013-08-27 | 2013-12-11 | 深圳雷曼光电科技股份有限公司 | Outdoor display screen and LED packaging devices thereof |
| CN103441209B (en) * | 2013-08-27 | 2016-08-17 | 深圳雷曼光电科技股份有限公司 | Outdoor display screen and LED packaging thereof |
| CN103680340A (en) * | 2013-12-18 | 2014-03-26 | 长春希达电子技术有限公司 | Integrated LED display encapsulated module suitable for ultrahigh display density |
| CN104295952A (en) * | 2014-08-22 | 2015-01-21 | 广州市珠江灯光科技有限公司 | Illumination device and manufacturing method thereof |
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Addressee: Qin Yucheng Document name: Notification of Termination of Patent Right |
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Granted publication date: 20121205 Termination date: 20150316 |
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