CN101315736B - LED lattice module for outdoor display and production method thereof - Google Patents
LED lattice module for outdoor display and production method thereof Download PDFInfo
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- CN101315736B CN101315736B CN2008100679623A CN200810067962A CN101315736B CN 101315736 B CN101315736 B CN 101315736B CN 2008100679623 A CN2008100679623 A CN 2008100679623A CN 200810067962 A CN200810067962 A CN 200810067962A CN 101315736 B CN101315736 B CN 101315736B
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Abstract
The invention discloses a lattice module of a light emitting diode used for outdoor display and a manufacture method thereof; the module comprises a light emitting diode chip, a circuit board, a suite and an insulating glue; the light emitting diode chip is welded on the circuit board; the suite is fixed on the circuit board by the insulating glue; the suite is provided with a reflective cavity; the light from the light emitting diode chip is emitted by the reflective cavity; the method comprises the following steps: the light emitting diode chip is welded on the circuit board; the suite is fixed on the circuit board in a the filling and sealing way by the insulating glue; the suite is provided with the reflective cavity; the light from the light emitting diode chip is emitted by the reflective cavity; the light emitting diode chips of the lattice module of the light emitting diode used for outdoor display of the invention are all welded on the circuit board with strong orthotropism, thus guaranteeing the absolute uniformity of the light-emitting surfaces, and improving display effect without generating the phenomenon of mosaic and.
Description
Technical field
The present invention relates to a kind of LED lattice module that is used for outdoor demonstration, the invention still further relates to a kind of method for making that is used for the LED lattice module of outdoor demonstration.
Background technology
At present, the light-emitting diode (LED) module that is used for outdoor demonstration all is to be made by a plurality of diodes (discrete component), and each diode all is independently, the orthostatic difference of each diode can not guarantee absolute unanimity during encapsulation, the lighting angle difference, be easy to generate mosaic, influence display effect.Because diode is when crossing the tin stove, each diode directly is heated, and therefore causes rosin joint easily, and sealing-off, and burn out diode easily causes to lack brightly, further influences display effect.
Summary of the invention
The present invention is exactly in order to overcome above deficiency, to have proposed a kind of LED lattice module that is used for outdoor demonstration and preparation method thereof, improving display effect.
Technical matters of the present invention is solved by following technical scheme: a kind of LED lattice module that is used for outdoor demonstration comprises light-emitting diode chip for backlight unit, circuit board, external member and insulating gel; Described light-emitting diode chip for backlight unit is welded on the circuit board, and described external member is fixed on the circuit board by insulating gel, and described external member is provided with reflection chamber, and the light that described light-emitting diode chip for backlight unit sends penetrates by reflection chamber.
The described LED lattice module that is used for outdoor demonstration also comprises the black cover body, and described black cover body is provided with the hole, described hole and lug boss position, shape, big or small corresponding, and described black cover body covers on the external member.
Boss on the described external member is that 4 row, 4 column matrix are arranged, the hole on the described black cover body and boss number, arrange identical.
Described hole and boss all are rectangle.
The light-emitting diode chip for backlight unit that sends light in a reflection chamber comprises red light emitting diodes chip, green LED chip and blue led chips.
Described circuit board is a printed circuit board (PCB), and described insulating gel is an epoxy resin.
A kind of method for making that is used for the LED lattice module of outdoor demonstration comprises the steps: the first step: light-emitting diode chip for backlight unit is welded on the circuit board; Second step: external member is fixed on the circuit board by the insulating gel embedding; Described external member is provided with reflection chamber, and the light that described light-emitting diode chip for backlight unit sends penetrates by reflection chamber.
Also be provided with boss on the described external member, described reflection chamber is arranged in boss; Also comprise and make the black cover body, described black cover body is provided with the hole, described hole and lug boss position, shape, big or small corresponding, and described black cover body covers on the external member.
The light-emitting diode chip for backlight unit that sends light in a reflection chamber comprises red light emitting diodes chip, green LED chip and blue led chips.
Described circuit board is a printed circuit board (PCB), and described insulating gel is an epoxy resin.
The beneficial effect that the present invention is compared with the prior art is:
The light-emitting diode chip for backlight unit that is used for the LED lattice module of outdoor demonstration of the present invention all is welded in circuit board, and orthostatic is strong, can guarantee that light-emitting area is definitely consistent, can not produce mosaic phenomenon, has improved display effect.In addition, light-emitting diode chip for backlight unit all is welded on the circuit board, and light-emitting diode chip for backlight unit no longer independently is heated, and can avoid rosin joint, sealing-off.Light-emitting diode chip for backlight unit is welded on the circuit board, and when crossing wave-soldering, heat generating spot is far away apart from the light-emitting diode chip for backlight unit distance, and circuit board can provide big area of dissipation, and heat sinking function is good, can not damage light-emitting diode chip for backlight unit, can not cause to lack bright phenomenon, further improve display effect.In addition, light-emitting diode chip for backlight unit all is welded on the circuit board, can improve the antistatic property that is used for the LED lattice module of outdoor demonstration of the present invention.
Description of drawings
Fig. 1 is the structural representation of light-emitting diode chip for backlight unit of the LED lattice module that is used for outdoor demonstration of the specific embodiment of the invention;
Fig. 2 is the structural representation of circuit board of the LED lattice module that is used for outdoor demonstration of the specific embodiment of the invention;
Fig. 3 is the structural representation of the LED lattice module that is used for outdoor demonstration of the specific embodiment of the invention;
Fig. 4 is the structural representation of the black cover body of the specific embodiment of the invention;
Fig. 5 is the enlarged diagram at A place among Fig. 4.
Embodiment
Also in conjunction with the accompanying drawings the present invention is described in further details below by concrete embodiment.
As shown in Figure 1, 2, 3, a kind of LED lattice module that is used for outdoor demonstration comprises light-emitting diode chip for backlight unit 1, circuit board 4, external member 3 and insulating gel.As shown in Figure 1, 2, described light-emitting diode chip for backlight unit 1 is welded on the circuit board 4.As shown in Figure 3, described external member 3 is fixed on by insulating gel that (circuit board 4 and light-emitting diode chip for backlight unit 1 are positioned at external member 3 back sides in Fig. 3 on the circuit board 4, so not shown), described external member 3 is provided with reflection chamber 31, and the light that described light-emitting diode chip for backlight unit 1 sends penetrates by reflection chamber 31.
Also be provided with boss 32 on the described external member 3, described reflection chamber 31 is arranged in boss 32.Shown in Fig. 4,5, the described LED lattice module that is used for outdoor demonstration also comprises black cover body 2, and described black cover body 2 is provided with hole 21, described hole 21 and boss 32 positions, shape, big or small corresponding.
As shown in Figure 3, the boss 32 on the described external member 3 is that 4 row, 4 column matrix are arranged.By the arrange structure of the luminous point that forms of 4 row 4 row, reduce its pixel compared to existing technologies effectively, thereby reduce the product fraction defective, help the manufacturing, and the mosaic phenomenon that is taken place is difficult for also discovering, can reach the effect of high-contrast.As the hole 21 on the black cover body 2 as described in Fig. 4,5 and boss 32 numbers, arrange identical.Described hole 21 is a rectangle all with boss 32, all is square in this embodiment.The present invention has guaranteed contrast by black cover body 2 is directly covered on the external member 3.And the black between each black cover body can accomplish unanimity at an easy rate, makes the black consistance of entire display screen be significantly improved.Use even be placed under the sunlight, also can not influence display effect.
As shown in Figure 3, comprise red light emitting diodes chip, green LED chip and blue led chips from a reflection chamber 31 interior light-emitting diode chip for backlight unit that send light 1.Promptly the light-emitting diode chip for backlight unit 1 in each reflection chamber 31 comprises red light emitting diodes chip, green LED chip and blue led chips.So just can make the light that sends in the reflection chamber 31 is white light.This has guaranteed that colour mixture is even, and that also can avoid using white-light light emitting chips to bring is expensive.
Described circuit board 4 is printed circuit board (PCB) (Printed circuit board is called for short PCB), and described insulating gel is an epoxy resin.
A kind of method for making that is used for the LED lattice module of outdoor demonstration comprises the steps:
The first step: light-emitting diode chip for backlight unit 1 is welded on the circuit board 2.
Second step: external member is fixed on the circuit board 2 by the insulating gel embedding; Described external member is provided with reflection chamber 31, and the light that described light-emitting diode chip for backlight unit 1 sends penetrates by reflection chamber 31.The light-emitting diode chip for backlight unit that sends light in a reflection chamber comprises red light emitting diodes chip, green LED chip and blue led chips.
Also be provided with boss 32 on the described external member 3, described reflection chamber 31 is arranged in boss 32.Method for making of the present invention also comprises makes black cover body 2, and described black cover body is provided with hole 21, described hole 21 and boss 32 positions, shape, big or small corresponding.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. a LED lattice module that is used for outdoor demonstration comprises light-emitting diode chip for backlight unit, circuit board, external member; Described light-emitting diode chip for backlight unit is welded on the circuit board, and described external member is provided with a plurality of reflection chambers, and the light that described light-emitting diode chip for backlight unit sends penetrates by reflection chamber; It is characterized in that: described external member is fixed on the circuit board by insulating gel, also is provided with boss on the described external member, and described reflection chamber is arranged in boss, and described reflection chamber is corresponding one by one with boss, and number is identical; The described LED lattice module that is used for outdoor demonstration also comprises the black cover body, and described black cover body is provided with the hole, described hole and lug boss position, shape, big or small corresponding, and described black cover body covers on the external member.
2. the LED lattice module that is used for outdoor demonstration according to claim 1 is characterized in that: the boss on the described external member is that 4 row, 4 column matrix are arranged.
3. the LED lattice module that is used for outdoor demonstration according to claim 2 is characterized in that: described hole and boss all are rectangle.
4. according to the arbitrary described LED lattice module that is used for outdoor demonstration of claim 1-3, it is characterized in that: the light-emitting diode chip for backlight unit that sends light in a reflection chamber comprises red light emitting diodes chip, green LED chip and blue led chips.
5. according to the arbitrary described LED lattice module that is used for outdoor demonstration of claim 1-3, it is characterized in that: described circuit board is a printed circuit board (PCB), and described insulating gel is an epoxy resin.
6. a method for making that is used for the LED lattice module of outdoor demonstration is characterized in that: comprise the steps:
The first step: light-emitting diode chip for backlight unit is welded on the circuit board;
Second step: external member is fixed on the circuit board by the insulating gel embedding; Described external member is provided with a plurality of reflection chambers, and the light that described light-emitting diode chip for backlight unit sends penetrates by reflection chamber;
Also be provided with boss on the described external member, described reflection chamber is arranged in boss, and described reflection chamber is corresponding one by one with boss, and number is identical; Also comprise and make the black cover body, described black cover body is provided with the hole, described hole and lug boss position, shape, big or small corresponding, and described black cover body covers on the external member.
7. the method for making that is used for the LED lattice module of outdoor demonstration according to claim 6 is characterized in that: the light-emitting diode chip for backlight unit that sends light in a reflection chamber comprises red light emitting diodes chip, green LED chip and blue led chips.
8. according to claim 6 or the 7 described method for makings that are used for the LED lattice module of outdoor demonstration, it is characterized in that: described circuit board is a printed circuit board (PCB), and described insulating gel is an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100679623A CN101315736B (en) | 2008-06-19 | 2008-06-19 | LED lattice module for outdoor display and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100679623A CN101315736B (en) | 2008-06-19 | 2008-06-19 | LED lattice module for outdoor display and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101315736A CN101315736A (en) | 2008-12-03 |
| CN101315736B true CN101315736B (en) | 2010-11-10 |
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| CN2008100679623A Active CN101315736B (en) | 2008-06-19 | 2008-06-19 | LED lattice module for outdoor display and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104318865B (en) * | 2014-11-14 | 2017-02-22 | 京东方科技集团股份有限公司 | Pixel array, display panel and display device |
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| CN101315736A (en) | 2008-12-03 |
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Owner name: SHENZHEN LIGHTKING OPTOELECTRONICS TECH. CO., LTD. Free format text: FORMER NAME: SHENZHEN LIJING PHOTOELECTRIC TECHNOLOGY CO., LTD. |
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Address after: 518103 Shenzhen, Guangdong, Fuyong street and the Far East Industrial Zone, the new building of the third Baoan District Patentee after: Shenzhen Lightking Technology Co., Ltd. Address before: 40, 2 floor, Fu Qiao Industrial Zone, Qiaotou village, Fuyong Town, Shenzhen City, Guangdong, Baoan District 518103 Patentee before: Shenzhen Lijing Photoelectric Technology Co., Ltd. |
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Address after: 518103 Guangdong, Shenzhen City, Guangdong Province, Baoan District Fuyong street oyyip road Xu Yuchang Industrial Park, B2 Patentee after: Shenzhen Lightking Technology Co., Ltd. Address before: 518103 Shenzhen, Guangdong, Fuyong street and the Far East Industrial Zone, the new building of the third Baoan District Patentee before: Shenzhen Lightking Technology Co., Ltd. |
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