CN102194385A - LED (Light-Emitting Diode) display screen module - Google Patents
LED (Light-Emitting Diode) display screen module Download PDFInfo
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- CN102194385A CN102194385A CN 201110139159 CN201110139159A CN102194385A CN 102194385 A CN102194385 A CN 102194385A CN 201110139159 CN201110139159 CN 201110139159 CN 201110139159 A CN201110139159 A CN 201110139159A CN 102194385 A CN102194385 A CN 102194385A
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- led display
- display module
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Abstract
The invention discloses an LED (Light-Emitting Diode) display screen module comprising a lamp panel, a bracket arranged on the back face of the lamp panel and a transparent face shade arranged on the front face of the lamp panel, wherein a plurality of parallel grooves are arranged on the transparent face shade. The parallel grooves arranged on the transparent face shade of the LED display screen module can change the emergent angle of light rays emitted by LEDs and play a role of light condensation; and on the premise of the same energy consumption, the brightness is improved, thus achieving the purpose of taking both display brightness and low energy consumption into account.
Description
Technical field
The present invention relates to the LED field, especially relate to a kind of LED display module.
Background technology
As shown in Figure 1, traditional LED display module generally includes following which floor structure: grid face shield 100 ', lamp plate 200 ', carriage 300 ' and cabinet 400 '.The LED luminescence unit is set on the lamp plate 200 '; Grid face shield 100 ' is arranged on the front of lamp plate 200 ', protection lamp plate 200 '; Carriage 300 ' is arranged on the back side of lamp plate 200 ', fixedly lamp plate 200 '; Cabinet 400 ' is used for fixing fan 410 ' and other electric elements.Because the luminous of pointolite dispersed to all directions, for sharpness and the brightness that improves demonstration, usual way is the brightness of the whole LED of raising luminescence unit, and this has caused improving the consumption of electric energy.
In addition, those fail the light that effectively utilizes, and the light of especially upwards dispersing has aggravated light pollution.
As previously mentioned, adopt fan 410 ' heat radiation, the cabinet 400 ' of protection fan 410 ' need be set on carriage 300 ', the shortcoming of this structure is, cabinet 400 ' the thickness that has increased LED display is set, be unfavorable for the trend that LED display is lightening.
Therefore, prior art also requires further improvement.
Summary of the invention
Technical matters to be solved by this invention provides a kind of LED display module of taking into account display brightness and low energy consumption.
A kind of LED display module comprises lamp plate and the carriage that is arranged on this lamp plate back side; Also comprise the transparent face mask that is arranged on described lamp plate front, some parallel grooves are set on this transparent face mask.
Some parallel grooves are set on the transparent face mask of above-mentioned LED display module, this groove can change the shooting angle of LED light, played the effect of optically focused, under the prerequisite of same energy consumption, improved brightness, realized taking into account the purpose of display brightness and low energy consumption.
Description of drawings
Fig. 1 is the structural representation of traditional LED display module;
Fig. 2 is a kind of structural representation of LED display module of embodiment;
Fig. 3 is the local enlarged diagram of hollow out heat sink;
Fig. 4 is the side schematic view of first kind of embodiment of transparent face mask;
Fig. 5 is the side schematic view of second kind of embodiment of transparent face mask;
Fig. 6 is the side schematic view of the third embodiment of transparent face mask;
Fig. 7 is the light path synoptic diagram of first kind of embodiment of transparent face mask;
Fig. 8 is the light path synoptic diagram of second kind of embodiment of transparent face mask;
Fig. 9 is the light path synoptic diagram of the third embodiment of transparent face mask;
Figure 10 is the light path synoptic diagram of the 4th kind of embodiment of transparent face mask;
Figure 11 is the structural representation of panel and transparent face mask in the another kind of embodiment.
Among the figure: grid face shield 100 ', lamp plate 200 ', carriage 300 ', cabinet 400 ', fan 410 ', transparent face mask 100, groove 110, lamp plate 200, LED luminescence unit 210, electron device 220, carriage 400, hollow out heat sink 300, vacancy section 310, marine glue 320, panel 120, lamp hole 121.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 2, LED display module of the present invention comprises: transparent face mask 100, lamp plate 200, carriage 400, transparent face mask 100 are arranged on lamp plate 200 fronts, carriage 400 is arranged on the back side of lamp plate 200, on the described transparent face mask 100 some parallel grooves 110 is set.
On the transparent face mask 100 of above-mentioned LED display module some parallel grooves 110 are set, this groove 110 can change the one dimension shooting angle, be the groove 110 of horizontal direction change what be that the groove 110 of vertical shooting angle, vertical direction changes is horizontal shooting angle, only change the parallel groove 110 of one dimension shooting angle, played the spotlight effect of similar convex lens; Under the situation of same power consumption, the LED display module with light-focusing function has higher brightness, has realized taking into account the purpose of display effect and low energy consumption.Reduced the light of upwards dispersing that causes light pollution in addition.
First kind of embodiment of above-mentioned some parallel grooves 110, as shown in Figure 4, the cross section indentation of some parallel grooves 110, promptly the cell wall of each groove 110 is linears.Its index path is seen Fig. 7, law of refraction according to light, light is gone into another kind of medium when propagating from a kind of medium oblique fire, direction of light generation deviation, be respectively light L12, L22, L32 after light L11, the L21 of luminous point S, L31 enter transparent face mask 100 through the back side of transparent face mask 100, light L12, L22, L32 are respectively L13, L23, L33 through the light that the front of transparent face mask 100 passes behind the transparent face mask 100.Light L11 enters transparent face mask 100 with incident angle i11, at the back side of transparent face mask 100 deviation takes place, and light L12 is a refracted ray, its refraction angle is γ 12, and the material of transparent face mask 100 is example with the acrylic, and the refractive index of acrylic material is about 1.5 usually, so i11＞γ 12; Light L12 passes transparent face mask 100 with incident angle i12, in the front of transparent face mask 100 deviation takes place, and light L13 is a refracted ray, and its refraction angle is γ 13, γ 13＞i12.Light L21 is because perpendicular to transparent face mask 100 back sides, so L22 does not reflect; Light L22 passes transparent face mask 100 with incident angle i22, in the front of transparent face mask 100 deviation takes place, and light L23 is a refracted ray, and its refraction angle is γ 23, γ 23＞i22.Light L31 enters transparent face mask 100 with incident angle i31, at the back side of transparent face mask 100 deviation takes place, and light L32 is a refracted ray, and its refraction angle is γ 32, and i31＞γ 32; Light L32 passes transparent face mask 100 with incident angle i32, in the front of transparent face mask 100 deviation takes place, and light L33 is a refracted ray, and its refraction angle is γ 33, γ 33＞i32.In conjunction with the accompanying drawings 7, L11 is the light that upwards penetrates, and L13 is the light that penetrates downwards, L21 is parallel light, and L13 is the light that penetrates downwards, and L31 is the light that penetrates downwards, L33 is the light that upwards penetrates, and as can be seen, the groove 110 on the transparent face mask 100 has played the effect of optically focused.
Second kind of embodiment of above-mentioned some parallel grooves 110, as shown in Figure 5, the cross section of some parallel grooves 110 is (being) corrugated, and promptly the cell wall of each groove 110 is camber line shapes.Its index path is seen Fig. 8, and optical path analysis and above-mentioned embodiment are similar, repeat no more.Can find out also that from Fig. 8 the groove 110 on the transparent face mask 100 has played the effect of optically focused.
Certainly, can also do suitable distortion to above-mentioned embodiment, Fig. 6 has for example changed the amplitude of wave; All right, the cell wall of groove 110 is that linear, bottom land are camber line shapes, and perhaps, the cell wall of groove 110 is that camber line shape, bottom land are linears, as shown in figure 10.Can find out also that from index path 9 and light path Figure 10 the groove 110 of these forms has also played the effect of optically focused.
For corresponding with led display unit, the spacing of described some parallel grooves 110 equates.As preferably, some parallel grooves 110 are arranged on the outside of transparent face mask 100; The benefit that is arranged on the outside is fixedly the time, can guarantee the applying that transparent face mask 100 and lamp plate 200 are good.
As shown in Figure 2, increasing following feature on the basis of above-mentioned embodiment as new embodiment: be provided with the hollow out heat sink 300 that contacts with lamp plate 200 between carriage 400 and the lamp plate 200, the vacancy section 310 on this hollow out heat sink 300 can hold the electron device 220 at lamp plate 200 back sides.Herein, complete structrual description should for: the LED display module of this embodiment comprises lamp plate 200, transparent face mask 100 and carriage 400, transparent face mask 100 is arranged on lamp plate 200 fronts, carriage 400 is arranged on the back side of lamp plate 200, the effect of hollow out heat sink 300 is the heats that receive and conduct lamp plate 200, and for example the heat of IC element passes on the hollow out heat sink 300 by its pin.It is emphasized that, this embodiment is compared with conventional art, saved the cabinet 400 ' of fan 410 ' and fan attachment 410 ', be radiating mode from air-cooled to heat conducting and radiating, owing to saved fan 410 ' and cabinet 400 ', reduced the thickness of LED display module, it is lightening to be beneficial to LED display.
As preferably, described carriage 400 is metal brackets 400.Consider that based on heat conduction efficiency carriage 400 is aluminium carriage 400 preferably.Equally, also aluminium sheet preferably of described hollow out heat sink 300.
As shown in Figure 3, in order to protect the electron device 220 at lamp plate 200 back sides, embedding marine glue 320 between described hollow out vacancy section 310 and the described electron device 220, the effect of marine glue 320 is that the protection electronic component does not make moist, do not intake.
Hollow out heat sink 300 suitable thickness settings can provide further protection, and usually, electron device 220 comprises surface mount elements and plug connector elements, and the thickness of hollow out heat sink 300 is more than or equal to the height of described surface mount elements, smaller or equal to the height of plug connector elements.
In addition, on described hollow out heat sink 300 surfaces insulating heat-conductive layer (not shown) is set.The insulating heat-conductive layer can also play the effect of avoiding short circuit in the heat conducting while of assurance.
As shown in Figure 2, increasing following feature on the basis of the respective embodiments described above as new embodiment: also comprise the panel 120 that is arranged between transparent face mask 100 and the lamp plate 200, the lamp hole 121 to LED luminescence unit 210 correspondences is set on this panel 120.The effect of this panel 120 is the fixing LED luminescence units 210 in lamp plate 200 fronts.
Increase following feature as new embodiment on the basis of the respective embodiments described above: described panel 120 is wholely set with described transparent face mask 100, as shown in figure 11, promptly groove 110 is set in the front of a plate, the back side is provided with lamp hole 121, this structure can be simplified installation steps, has improved equipment efficient.
Below only expressed several embodiment of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a LED display module comprises lamp plate and the carriage that is arranged on this lamp plate back side; It is characterized in that, also comprise the transparent face mask that is arranged on described lamp plate front, some parallel grooves are set on this transparent face mask.
2. LED display module according to claim 1 is characterized in that, the cross section indentation of described some parallel grooves.
3. LED display module according to claim 1 is characterized in that the cross section of described some parallel grooves is corrugated.
4. according to the arbitrary described LED display module of claim 1 to 3, it is characterized in that, be provided with the hollow out heat sink that contacts with this lamp plate back side between described carriage and the described lamp plate, the vacancy section on this hollow out heat sink can hold the electron device at the described lamp plate back side.
5. LED display module according to claim 4 is characterized in that, embedding marine glue between described vacancy section and the described electron device.
6. LED display module according to claim 4 is characterized in that described electron device comprises surface mount elements and plug connector elements, and the thickness of described hollow out heat sink is more than or equal to the height of described surface mount elements, smaller or equal to the height of plug connector elements.
7. LED display module according to claim 4 is characterized in that, described hollow out heat sink surface has the insulating heat-conductive layer.
8. LED display module according to claim 4 is characterized in that described carriage is a metal bracket.
9. according to the arbitrary described LED display module of claim 1 to 3, it is characterized in that also comprise the panel that is arranged between transparent face mask and the lamp plate, this panel is provided with lamp hole.
10. LED display module according to claim 9 is characterized in that, described panel and described transparent face mask are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139159.8A CN102194385B (en) | 2011-05-26 | 2011-05-26 | LED (Light-Emitting Diode) display screen module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110139159.8A CN102194385B (en) | 2011-05-26 | 2011-05-26 | LED (Light-Emitting Diode) display screen module |
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| CN102194385A true CN102194385A (en) | 2011-09-21 |
| CN102194385B CN102194385B (en) | 2014-10-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368367A (en) * | 2011-10-24 | 2012-03-07 | 广东威创视讯科技股份有限公司 | LED (Light-emitting Diode) screen display unit and LED display screen |
| CN104091545A (en) * | 2014-06-30 | 2014-10-08 | 广东九联科技股份有限公司 | Display device and method for eliminating reflected light |
| CN105654860A (en) * | 2014-11-12 | 2016-06-08 | 潍坊歌尔光电有限公司 | LED traffic indication billboard |
| CN105679198A (en) * | 2016-04-12 | 2016-06-15 | 深圳市电明科技股份有限公司 | Mechanical shock resisting lens LED display screen module |
| CN105764310A (en) * | 2016-04-29 | 2016-07-13 | 许继集团有限公司 | Relay protection device and functional plug-in thereof |
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| CN101625428A (en) * | 2008-07-11 | 2010-01-13 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and diffusion plate thereof |
| CN201396621Y (en) * | 2009-05-25 | 2010-02-03 | 福建蓝蓝高科技发展有限公司 | High-power LED light source structure |
| CN201575339U (en) * | 2009-12-18 | 2010-09-08 | 林暎祥 | Led illuminating lamp |
| CN202075944U (en) * | 2011-05-26 | 2011-12-14 | 夏志清 | Light-emitting diode (LED) display screen module |
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| CN101457901A (en) * | 2007-12-14 | 2009-06-17 | 富士迈半导体精密工业（上海）有限公司 | Light field controlling means and illuminating apparatus employing the light field controlling means |
| CN101625428A (en) * | 2008-07-11 | 2010-01-13 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and diffusion plate thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102368367A (en) * | 2011-10-24 | 2012-03-07 | 广东威创视讯科技股份有限公司 | LED (Light-emitting Diode) screen display unit and LED display screen |
| CN104091545A (en) * | 2014-06-30 | 2014-10-08 | 广东九联科技股份有限公司 | Display device and method for eliminating reflected light |
| CN104091545B (en) * | 2014-06-30 | 2017-01-04 | 广东九联科技股份有限公司 | Display device and method for eliminating reflected light |
| CN105654860A (en) * | 2014-11-12 | 2016-06-08 | 潍坊歌尔光电有限公司 | LED traffic indication billboard |
| CN105679198A (en) * | 2016-04-12 | 2016-06-15 | 深圳市电明科技股份有限公司 | Mechanical shock resisting lens LED display screen module |
| CN105764310A (en) * | 2016-04-29 | 2016-07-13 | 许继集团有限公司 | Relay protection device and functional plug-in thereof |
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| Publication number | Publication date |
|---|---|
| CN102194385B (en) | 2014-10-01 |
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Owner name: SHENZHEN APEXLS OPTOELECTRONIC CO., LTD. Free format text: FORMER OWNER: XIA ZHIQING Effective date: 20150703 |
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Effective date of registration: 20150703 Address after: 518105, 1, 202, 302, 104 and 402, building Avenue, Songgang street, Baoan District, Guangdong, Shenzhen Patentee after: Shenzhen Apexls Optoelectronic Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang rich rose garden 2-401 Patentee before: Xia Zhiqing |