CN106960635A - A kind of shared luminescence unit plate - Google Patents
A kind of shared luminescence unit plate Download PDFInfo
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- CN106960635A CN106960635A CN201710257584.4A CN201710257584A CN106960635A CN 106960635 A CN106960635 A CN 106960635A CN 201710257584 A CN201710257584 A CN 201710257584A CN 106960635 A CN106960635 A CN 106960635A
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- 238000004020 luminiscence type Methods 0.000 title claims abstract description 25
- 238000005538 encapsulation Methods 0.000 claims description 11
- 238000003491 array Methods 0.000 claims description 9
- 239000003086 colorant Substances 0.000 abstract description 17
- 239000000203 mixture Substances 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000004209 hair Anatomy 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 241001062009 Indigofera Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of shared luminescence unit plate, including：Luminescent screen, luminescent screen is made up of several luminous point groups of circuit board and arrangement on circuit boards, luminous point group is made up of feux rouges group, green glow group and blue light group, feux rouges group includes at least one feux rouges spot light, green glow group includes at least one green glow spot light, and blue light group includes at least one blue light point light sources.Blend of colors between feux rouges spot light, blue light point light sources and green glow spot light in same luminous point group, the first luminous point is formed in the center of luminous point group.Blend of colors in different luminous point groups and between feux rouges spot light adjacent to each other, blue light point light sources and green glow spot light, the second luminous point is formed in the center of different groups of three spot lights.Simple in construction, high resolution of the invention, brightness is high, luminous uniform and is easy to safeguard.
Description
Technical field
The present invention relates to luminescent screen technical field, more particularly to a kind of shared luminescence unit plate.
Background technology
LED display is typically to be made up of multiple cell boards, various for showing word, image, video, video signal etc.
Information.Existing cell board constitutes a luminescence unit plate by several luminous points arranged in length and breadth, and such as notification number is
CN202210745U utility model patent, it is each luminous it discloses a kind of LED display of non-equidistant luminous point arrangement
Cell board is provided with multiple luminous points equidistantly arranged.This luminous point, which is substantially, uses three-in-one surface-mount, i.e., one hair
Luminous point is exactly a LED, three LED lamps of this Surface Mount LED enclosed insides, and the LED arranging densities on luminescence unit plate have
Limit, the resolution ratio of luminescence unit plate, which is hardly resulted in, to be effectively improved.Moreover, being encapsulated more than existing display module using SMD, i.e., in light
Sealing on the paster of source, the light that light source is sent is appeared from its outside glue-line is wrapped up, and display effect is bad and later maintenance is difficult.
The content of the invention
In order to solve drawbacks described above present in prior art, the present invention propose a kind of high resolution, it is luminous uniformly and just
In the shared luminescence unit plate of maintenance.
The technical solution adopted by the present invention is to design a kind of shared luminescence unit plate, including：Luminescent screen, luminescent screen is by electricity
Several luminous point groups of road plate and arrangement on circuit boards are constituted, and luminous point group is made up of feux rouges group, green glow group and blue light group,
Feux rouges group includes at least one feux rouges spot light, and green glow group includes at least one green glow spot light, and blue light group includes at least one
Blue light point light sources.Wherein, the brightness ratio of green glow group, feux rouges group and blue light group is 6:3:1.
Blend of colors between feux rouges spot light, blue light point light sources and green glow spot light in same luminous point group,
The center of luminous point group forms the first luminous point.In different luminous point groups and feux rouges spot light adjacent to each other,
Blend of colors between blue light point light sources and green glow spot light, forms second in the center of different groups of three spot lights and lights
Point.
It is preferred that, luminescent screen is using formal dress COB encapsulation, upside-down mounting COB encapsulation or SMD encapsulation.
It is preferred that, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group is 20cm ~ 0.1cm.Luminescent screen exists
Open air is in use, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group is 20cm ~ 4cm；Luminescent screen makes indoors
Used time, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group is 5cm ~ 0.1cm.
In the first embodiment, feux rouges group includes two feux rouges spot lights, and green glow group includes a green glow spot light, blue light
Group includes two feux rouges spot lights, a green glow spot light and the indigo plant in a blue light point light sources, same group of luminous point group
The rectangular distribution of luminous point light source, two feux rouges spot lights are located at diagonal position, green glow spot light and blue light point light sources and are located at diagonally
Position.Luminous point group is arranged in arrays on circuit boards.
In a second embodiment, feux rouges group includes a feux rouges spot light, and green glow group includes a green glow spot light, blue light
Group include feux rouges spot light, blue light point light sources and green glow spot light in blue light point light sources, same group of luminous point group in etc.
Side rounded projections arranged, two neighboring luminous point group is just being put using two triangular arranged one, one invert by the way of it is uniform
Arrangement.
In the third embodiment, feux rouges group includes a feux rouges spot light, and green glow group includes a green glow spot light, blue light
Group include feux rouges spot light, blue light point light sources and green glow spot light in blue light point light sources, same group of luminous point group in etc.
Side rounded projections arranged.Luminous point group is arranged in arrays on circuit boards.
In the fourth embodiment, feux rouges group includes a feux rouges spot light, and green glow group includes a green glow spot light, blue light
Feux rouges spot light, blue light point light sources and the green glow spot light that group includes in a blue light point light sources, same group of luminous point group are in straight
Line is arranged.Luminous point group is arranged in arrays on circuit boards.
It is preferred that, shared luminescence unit plate also includes：It is covered in the positive mask of luminescent screen, installed in panel back side
Body afterwards.
It is preferred that, mask is made up of upper cover plate with the lower cover plate for being fixed on upper cover plate bottom, and being distributed with lower cover plate is used for
Accommodate the light-guiding pillar being distributed with the light hole of each spot light, upper cover plate directly over each spot light.
It is preferred that, when the centre-to-centre spacing of the first luminous point of two neighboring luminous point group is more than or equal to 2cm, adjacent two is guide-lighting
Shading strip is provided between post.
It is preferred that, the bottom of light-guiding pillar is stretched into light hole, and shading strip is between the top of adjacent two light-guiding pillar, shading
The height of bar is less than the top surface of light-guiding pillar.
Compared with prior art, the present invention has advantages below：
1st, luminous point group is constituted using red bluish-green three kinds of independent spot lights, all spot light blend of colors formation hairs in luminous point group
Light real point, luminous point group spot light adjacent after arranging on circuit boards forms luminous imaginary point, luminous point by way of shared
Density is high, improves the resolution ratio of cell board；
2nd, luminescent screen is encapsulated using COB, packaging efficiency height, long service life, visible angle greatly, be easily adjusted angle and can be straight
Scoop out and use on light fixture；
3rd, the top surface of luminescent screen is provided with mask, and luminosity, the uniformity of luminance of luminescent screen are improved by mask, and is easy to the later stage
Demolition and maintenance.
Brief description of the drawings
With reference to embodiment and accompanying drawing, the present invention is described in detail, wherein：
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the schematic top plan view of the present invention；
Fig. 3 is the diagrammatic cross-section of A-A in Fig. 2；
Fig. 4 is the section partial enlarged drawing of A-A in Fig. 2；
Fig. 5 is the spot light distribution schematic diagram of first embodiment in the present invention；
Fig. 6 is the spot light distribution schematic diagram of second embodiment in the present invention；
Fig. 7 is the spot light distribution schematic diagram of 3rd embodiment in the present invention；
Fig. 8 is the spot light distribution schematic diagram of fourth embodiment in the present invention.
Embodiment
As shown in Figures 1 to 4, shared luminescence unit plate proposed by the present invention, including：Luminescent screen 1, luminescent screen 1 is by circuit board
21 are constituted with several luminous point groups being arranged on circuit board 21, and luminescent screen 1 is using formal dress COB encapsulation or instead fills COB encapsulation
Or SMD encapsulation.
COB encapsulation is chip on board encapsulation, is one of bare chip mounting technology, and compared with traditional SMD is encapsulated, COB possesses
Packaging efficiency height, long service life, visible angle are big, the advantages of be easily adjusted angle, can be applied directly on light fixture, and
COB is encapsulated than SMD surface mount packages power saving 50%, and thermal diffusivity and reliability are all relatively good, can pass through heavy current impact.
Formal dress COB encapsulation is exactly to stick to bare chip on interconnection substrates with conductive or non-conductive adhesive, and bare chip is from up to
Lower material is P electrode, luminescent layer, N electrode, and P electrode and N electrode realize that it is electrically connected by wire bonding.Upside-down mounting COB is encapsulated just
It is to be inverted bare chip, the light that luminescent layer is inspired directly is sent from the another side of electrode, is provided with chip and P electrode, N electricity
The pin of pole connection, is welded on substrate, upside-down mounting COB sizes can accomplish smaller by pin, and optics is easier matching, radiating
Function, chip life-span and antistatic effect are good.
As shown in Fig. 5 to 8, luminous point group is made up of feux rouges group, green glow group and blue light group, and feux rouges group is red comprising at least one
Luminous point light source, green glow group includes at least one green glow spot light, and blue light group includes at least one blue light point light sources, green glow group, red
The brightness ratio of light group and blue light group is 6:3:1.Feux rouges spot light, blue light point light sources and green glow point in same luminous point group
Blend of colors between light source, the first luminous point is formed in the center with three spot lights of group.Positioned at different luminous point groups
Blend of colors between interior and adjacent to each other feux rouges spot light, blue light point light sources and green glow spot light, in different groups of three point light
The center in source forms the second luminous point.With group or different luminous electric group organized by way of spot light is shared, improve single
The luminous dot density and resolution ratio of first plate.
Wherein, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group is 20cm ~ 0.1cm.Luminescent screen is at family
It is outer in use, human eye apart from luminescent screen farther out, the resolution requirement to luminescent screen is relatively low, the first hair of two neighboring luminous point group
The centre-to-centre spacing scope of luminous point is 20cm ~ 4cm；Luminescent screen indoors in use, human eye apart from luminescent screen apart from close, to luminescent screen
Resolution requirement it is higher, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group is 5cm ~ 0.1cm.
Illustrate below by specific embodiment：
As shown in figure 5, in the first embodiment, feux rouges group includes two feux rouges spot lights, green glow group includes a green glow point light
Source, blue light group include two feux rouges spot lights in blue light point light sources, same group of luminous point group, a green glow spot light and
The rectangular distribution of one blue light point light sources, two feux rouges spot lights are located at diagonal position, green glow spot light and blue light point light sources position
In diagonal position, luminous point group is arranged in arrays on circuit boards.Color is mixed between four spot lights in same luminous point group
Close, luminous point group is centrally formed the first luminous point 5.Mixed with color between every three red bluish-green spot lights in group luminous point group
Close, the first luminous imaginary point 5 ' is formed between these three spot lights.In different luminous point groups and feux rouges adjacent to each other
Blend of colors between spot light, blue light point light sources and green glow spot light, forms the in the center of different groups of three spot lights
Two luminous points 6.In different luminous point groups and adjacent to each other two feux rouges spot lights, blue light point light sources and green glow point light
Blend of colors between source, forms the second luminous imaginary point 6 ' in the center of different groups of four spot lights.First luminous point 5 is by same
All spot light blend of colors in group luminous point group are constituted, and first luminous point 5 is luminous real point, the first luminous imaginary point 5 ',
The luminous imaginary point 6 ' of second luminous point 6, second is constituted by shared spot light blend of colors, first luminous imaginary point 5 ', second hair
The luminous imaginary point 6 ' of luminous point 6 and second is luminous imaginary point.
As shown in fig. 6, in a second embodiment, feux rouges group includes a feux rouges spot light, green glow group includes a green glow
Spot light, blue light group includes feux rouges spot light, blue light point light sources and the green glow in a blue light point light sources, same group of luminous point group
Spot light be in triangular arranged, two neighboring luminous point group is just put using two triangular arranged one, one invert
Mode it is evenly distributed.With blend of colors, the middle heart of luminous point group between three red bluish-green spot lights in group luminous point group
Into the first luminous point 5, in different luminous point groups and feux rouges spot light, blue light point light sources and green glow point light adjacent to each other
Blend of colors between source, the second luminous point 6 is formed in the center of different groups of three spot lights.First luminous point 5 is luminous
Real point, the second luminous point 6 is luminous imaginary point.
As shown in fig. 7, in the third embodiment, feux rouges group includes a feux rouges spot light, green glow group includes a green glow
Spot light, blue light group includes feux rouges spot light, blue light point light sources and the green glow in a blue light point light sources, same group of luminous point group
Spot light is in triangular arranged, and luminous point group is arranged in arrays on circuit boards.With three red indigo plants in group luminous point group
Blend of colors between green spot light, luminous point group is centrally formed the first luminous point 5, in different luminous point groups and each other
Blend of colors between adjacent feux rouges spot light, blue light point light sources and green glow spot light, at the center of different groups of three spot lights
Position forms the second luminous point 6.First luminous point 5 is luminous real point, and the second luminous point 6 is luminous imaginary point.
As shown in figure 8, in the fourth embodiment, feux rouges group includes a feux rouges spot light, green glow group includes a green glow
Spot light, blue light group includes feux rouges spot light, blue light point light sources and the green glow in a blue light point light sources, same group of luminous point group
Spot light is arranged in a linear, and luminous point group is arranged in arrays on circuit boards.With three red bluish-green light in group luminous point group
Blend of colors between source, luminous point group is centrally formed the first luminous point 5, due to the position of the first luminous point 5 in the present embodiment
Overlap, be drawn in Fig. 8 beside green glow spot light with green glow spot light, in different luminous point groups and adjacent to each other
Blend of colors between feux rouges spot light, blue light point light sources and green glow spot light, in the center shape of different groups of three spot lights
Into the second luminous point 6, because two the second luminous points 6 between the adjacent luminous point group of this in the present embodiment are overlapped, only drawn in Fig. 8
Second luminous point 6 is gone out.First luminous point is luminous real point, and the second luminous point is luminous imaginary point.
In aforementioned four embodiment, the illumination effect of first embodiment and second embodiment is better than 3rd embodiment and the 4th
Embodiment, the luminous real point of first, second embodiment and the arrangement of luminous imaginary point are evenly close.
Preferably, as shown in figure 4, shared luminescence unit plate also includes mask 2 and rear body 3, mask 2 is covered in luminescent screen 1
Front, rear body 3 be arranged on luminescent screen 1 the back side, mask 2 is by upper cover plate 21 and the lower cover plate 22 for being fixed on the bottom of upper cover plate 21
Constitute, be distributed with lower cover plate 22 on the light hole for accommodating each spot light, upper cover plate 21 and several light-guiding pillars 23 are distributed with,
Light-guiding pillar 23 is identical with the quantity of spot light 12 and position above and below correspond, light-guiding pillar 23 is located at the surface of spot light 12.Lead
The bottom of light beam 23 is stretched into light hole, and size and the light hole of light-guiding pillar 23 match, and the top surface of light hole is completely enclosed,
The light of spot light 12 is only capable of projecting from light-guiding pillar 23, and guide-lighting brightness is more preferable.
When the centre-to-centre spacing of first luminous point of two neighboring luminous point group is more than or equal to 2cm, light-guiding pillar on mask it
Between be provided with light-shielding structure, be provided with mounting groove, the mounting groove between the top of adjacent two light-guiding pillar 23 and be provided with shading strip 4, prevent
Light between light-guiding pillar 23 is obscured, and display effect is more preferable.The height of shading strip 4 is less than the top surface of light-guiding pillar 23, and mounting groove exists
The top surface of upper cover plate 21 is mutually communicated, and makes the top surface formation roughness of upper cover plate 21, and the guide-lighting uniformity of mask 2 is more preferable.
Mask can be made using materials such as PC or acrylics.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of shared luminescence unit plate, including：Luminescent screen, the luminescent screen is by circuit board and is arranged on the circuit board
Several luminous point groups are constituted, and the luminous point group is made up of feux rouges group, green glow group and blue light group, and the feux rouges group is comprising at least
One feux rouges spot light, the green glow group includes at least one green glow spot light, and the blue light group includes at least one blue light point
Light source；
Characterized in that, color between feux rouges spot light, blue light point light sources and green glow spot light in same luminous point group
Mixing, the first luminous point is formed in the center of luminous point group；
Color in different luminous point groups and between feux rouges spot light adjacent to each other, blue light point light sources and green glow spot light
Mixing, the second luminous point is formed in the center of different groups of three spot lights.
2. shared luminescence unit plate as claimed in claim 1, it is characterised in that the green glow group, feux rouges group and blue light group
Brightness ratio is 6:3:1.
3. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the luminescent screen is encapsulated using formal dress COB, fallen
Fill COB encapsulation or SMD encapsulation.
4. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the first luminous point of two neighboring luminous point group
Centre-to-centre spacing scope be 20cm ~ 0.1cm；
The luminescent screen out of doors in use, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group be 20cm ~
4cm；
The luminescent screen indoors in use, the centre-to-centre spacing scope of the first luminous point of two neighboring luminous point group be 5cm ~
0.1cm。
5. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the feux rouges group includes two red spot light
Source, the green glow group includes a green glow spot light, and the blue light group is included in a blue light point light sources, same group of luminous point group
Two feux rouges spot lights, a green glow spot light and the rectangular distribution of a blue light point light sources, described two feux rouges spot lights
It is located at diagonal position positioned at diagonal position, green glow spot light and blue light point light sources；
The luminous point group is arranged in arrays on circuit boards.
6. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the feux rouges group includes a red spot light
Source, the green glow group includes a green glow spot light, and the blue light group is included in a blue light point light sources, same group of luminous point group
Feux rouges spot light, blue light point light sources and green glow spot light be in triangular arranged, two neighboring luminous point group use two etc.
Side rounded projections arranged one is just put, a mode inverted is evenly distributed.
7. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the feux rouges group includes a red spot light
Source, the green glow group includes a green glow spot light, and the blue light group is included in a blue light point light sources, same group of luminous point group
Feux rouges spot light, blue light point light sources and green glow spot light be in triangular arranged；
The luminous point group is arranged in arrays on circuit boards.
8. luminescence unit plate is shared as claimed in claim 1, it is characterised in that the feux rouges group includes a red spot light
Source, the green glow group includes a green glow spot light, and the blue light group is included in a blue light point light sources, same group of luminous point group
Feux rouges spot light, blue light point light sources and green glow spot light be arranged in a linear；
The luminous point group is arranged in arrays on circuit boards.
9. the shared luminescence unit plate as described in any one of claim 1 to 8, it is characterised in that the shared luminescence unit plate
Also include：It is covered in the positive mask of the luminescent screen, the rear body installed in the panel back side.
10. luminescence unit plate is shared as claimed in claim 9, it is characterised in that the mask is by upper cover plate and is fixed on institute
The lower cover plate for stating upper cover plate bottom is constituted, and the light hole for accommodating each spot light, the upper cover are distributed with the lower cover plate
The light-guiding pillar directly over each spot light is distributed with plate.
11. luminescence unit plate is shared as claimed in claim 10, it is characterised in that the first of two neighboring luminous point group lights
When the centre-to-centre spacing of point is more than or equal to 2cm, shading strip is provided between adjacent two light-guiding pillar.
12. luminescence unit plate is shared as claimed in claim 11, it is characterised in that the bottom of the light-guiding pillar is stretched into described logical
In unthreaded hole, the shading strip is between the top of adjacent two light-guiding pillar, and the height of the shading strip is less than the light-guiding pillar
Top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257584.4A CN106960635A (en) | 2017-04-19 | 2017-04-19 | A kind of shared luminescence unit plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257584.4A CN106960635A (en) | 2017-04-19 | 2017-04-19 | A kind of shared luminescence unit plate |
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| CN106960635A true CN106960635A (en) | 2017-07-18 |
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| CN201710257584.4A Pending CN106960635A (en) | 2017-04-19 | 2017-04-19 | A kind of shared luminescence unit plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110969956A (en) * | 2018-09-28 | 2020-04-07 | 深圳光峰科技股份有限公司 | LED display screen |
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| CN101303819A (en) * | 2008-06-17 | 2008-11-12 | 深圳市奥拓电子有限公司 | Outdoor type LED display module group |
| CN202996832U (en) * | 2012-12-24 | 2013-06-12 | 广州市鸿利光电股份有限公司 | COB surface light source |
| CN203286343U (en) * | 2013-06-05 | 2013-11-13 | 广州市鸿利光电股份有限公司 | Multi-primary-color LED light source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110969956A (en) * | 2018-09-28 | 2020-04-07 | 深圳光峰科技股份有限公司 | LED display screen |
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