CN207676585U - LED display - Google Patents
LED display Download PDFInfo
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- CN207676585U CN207676585U CN201721680420.4U CN201721680420U CN207676585U CN 207676585 U CN207676585 U CN 207676585U CN 201721680420 U CN201721680420 U CN 201721680420U CN 207676585 U CN207676585 U CN 207676585U
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- led display
- light blocking
- encapsulated layer
- blocking layer
- cob modules
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Abstract
The utility model is related to a kind of LED displays, wherein the LED display includes that at least two COB modules of splicing setting and a light blocking layer, all COB modules share light blocking layer；Each COB modules include circuit board, multiple pixels and encapsulated layer, it is opened up on encapsulated layer fluted, encapsulated layer is divided into the lens section at multiple intervals by groove, each lens section corresponds to pixel setting, each pixel includes an at least LED chip, and groove extends to the encapsulated layer of two adjacent COB modules stitching portions；Light blocking layer includes multiple hollow-out parts and multiple baffle portions, and each hollow-out parts correspond to lens section setting, and multiple baffle portion filling institutes are fluted.The utility model LED display eliminates the piece between COB modules, while preventing optical crosstalk.
Description
Technical field
The utility model is related to technical field of LED display, more particularly to a kind of LED display.
Background technology
LED display (LED display) is a kind of flat-panel monitor, for showing word, image, video, video recording letter
Number etc. various information equipment.LED display includes babinet and multiple LED display modules on babinet, and every LED is aobvious
Show that module includes multiple COB (Chip On Board) module, the lamp face of multiple COB modules is spliced into display surface.Due to COB moulds
The quantity of block is more, and piece when splicing between COB modules is difficult to eliminate, and then influences the display effect of LED display.
Chinese patent application 201611087436.4 disclose it is a kind of can between cancellation module the LED display of heterochromia and
Its manufacturing method, the LED display are covered in using single plane fluoroscopy layer on the surface of multiple COB modules, and LED chip shines can be with
From-inner-to-outer passes through single plane fluoroscopy layer, and the light of outside can not pass through single plane fluoroscopy layer from outer to inner, i.e., can not be from unidirectional saturating
Depending on seeing piece outside layer, to cover the piece between COB modules.However, being easy to happen optical crosstalk between pixel, together
When single plane fluoroscopy layer light transmission rate can influence light emission luminance.
Chinese patent application 201520968489.1 discloses a kind of full-color RGB integrated light emitting units module and LED is shown
Screen, the LED display are shone by being equipped with the mute black mixture of epoxy mold for isolation between multiple light emitting pixel units
Point is marked with packaging plastic on pixel unit, and the mute black mixture of epoxy mold, which extends, to be wrapped up to the surrounding side of PCB substrate, so as to
Improve the piece problem between PCB substrate.Although the construction of above-mentioned light emitting pixel unit can improve piece problem, due to
The presence of physics splicing trace, cannot completely eliminate piece between PCB substrate.
Utility model content
Based on this, it is necessary to for current traditional technology there are the problem of, a kind of LED display is provided, can be effective
Piece when splicing is eliminated on ground between COB modules, and can avoid that optical crosstalk phenomenon occurs between pixel, and light emission luminance is higher.
In order to realize that the purpose of this utility model, the utility model use following technical scheme：
A kind of LED display includes at least two COB modules of splicing setting；Each COB modules include circuit
Plate, array are set to the encapsulated layer of multiple pixels and the multiple pixel of encapsulation on the circuit board, on the encapsulated layer
Crisscross groove is offered, the encapsulated layer is divided into the lens section at multiple intervals, each lens by the groove
Portion corresponds to a pixel setting, and each pixel includes an at least LED chip, and the groove extends to adjacent two
The encapsulated layer of a COB modules stitching portion；The LED display further includes a light blocking layer, and all COB modules share
The light blocking layer；The light blocking layer includes multiple hollow-out parts and multiple baffle portions, and each hollow-out parts correspond to the lens
Portion is arranged, and all grooves are filled in the multiple baffle portion.
The light blocking layer is flexible colloid in one of the embodiments,.
The baffle portion is in gradually to set greatly towards the direction of the circuit board along the encapsulated layer in one of the embodiments,
It sets.
The light blocking layer is black silica gel in one of the embodiments,.
In one of the embodiments, the LED display further include set on the light blocking layer and the encapsulated layer it
Between adhesive linkage, the adhesive linkage is used to the light blocking layer being adhered to the encapsulated layer.
The groove includes a plurality of longitudinal slot portion and a plurality of transverse slot portion in one of the embodiments, horizontally-spliced
The longitudinal slot portion that two COB modules are formed is identical as the longitudinal slot portion formed on the encapsulated layer；And/or it is longitudinal
The transverse slot portion that two COB modules of splicing are formed is identical as the transverse slot portion formed on the encapsulated layer.
The top of each lens section has a flat top surface, the flat top surface roughening in one of the embodiments,
Processing.
Outer surface roughening treatment of the light blocking layer far from the encapsulated layer side in one of the embodiments,.
Each lens section is in cube shape, round table-like, billiard table shape, cylindric or rib in one of the embodiments,
Mesa-shaped.
The LED display is LED display modules, LED display or LED splicings in one of the embodiments,
Screen.
The beneficial effects of the utility model are：By being provide with one layer of light blocking layer in all COB modules, light blocking layer is engraved
The lens section (effective luminous zone) of encapsulated layer is exposed in empty portion, does not influence shining for COB module lamps face, and the baffle portion of light blocking layer is filled out
Groove is filled, the piece between two adjacent COB modules has been blocked in baffle portion completely, while playing the role of side and being in the light, and prevents
Only optical crosstalk.
Description of the drawings
Fig. 1 is the sectional view of the utility model LED display first embodiment；
Fig. 2 is the vertical view of the COB modules of LED display in Fig. 1；
Fig. 3 is COB modules in Fig. 2 along the sectional view of line A-A；
Fig. 4 is the sectional view of the utility model LED display second embodiment；
Fig. 5 is the vertical view of the COB modules of LED display in Fig. 4；
Fig. 6 is COB modules in Fig. 5 along the sectional view of line B-B.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is
The understanding for opening content is more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
The utility model provides a kind of LED display, please refers to Fig.1 to Fig.3, in the first embodiment, which shows
Device 100 includes the light blocking layer 20 for splicing at least two COB modules 10 of setting and being located in all COB modules 10, at least
The lamp face of two COB modules 10 is spliced to form the display surface of LED display 100, exists between adjacent two COB modules 10
Piece 1.Wherein, every COB modules 10 include the multiple pixels 12 and encapsulation of circuit board 11, array on circuit board 11
The encapsulated layer 13 of multiple pixels 12.Crisscross groove 130 is offered on encapsulated layer 13, groove 130 draws encapsulated layer 13
It is divided into the lens section 131 at multiple intervals, each lens section 131 corresponds to a pixel 12 setting, and each pixel 12 includes at least
One LED chip 120.Wherein, groove 130 extends to the encapsulated layer 13 of two adjacent 10 stitching portions of COB modules.Light blocking layer 20 wraps
Multiple hollow-out parts 21 and multiple baffle portions 22 are included, each hollow-out parts 21 correspond to a lens section 131 setting, and multiple baffle portions 22 are filled out
Fill institute fluted 130.
The present embodiment LED display 100 in all COB modules 10 by being provide with one layer of light blocking layer 20, light blocking layer 20
Hollow-out parts 21 expose encapsulated layer 13 lens section 131 (effective luminous zone), do not influence 10 lamp face of COB modules shine, and keep off
Groove 130 is filled in the baffle portion 22 of photosphere 20, and the piece 1 between two adjacent COB modules 10 has been blocked in baffle portion 22 completely,
Play the role of side simultaneously to be in the light, prevents optical crosstalk.
It should be noted that in the utility model, the quantity of COB modules 10 can be configured according to actual demand, i.e.,
The quantity of COB modules 10 is determined according to the size of LED display 100.Groove 130 is arranged at intervals on arbitrary neighborhood
On encapsulated layer 13 between two pixels 12, i.e., each lens section 131 corresponds to a pixel 12 setting, the hair of the pixel 12
Light is projected by corresponding lens section 131；Groove 130 extends to the encapsulated layer of two adjacent 10 stitching portions of COB modules simultaneously
13, i.e. the periphery of the encapsulated layer 13 of every COB modules 10 is arranged in notch, the stitching portion of spliced two COB modules 10
130 structure of part recess is formed on encapsulated layer 13, baffle portion 22 can be filled eliminates the piece between two COB modules 10 in this
1, no matter and two COB modules 10 are horizontally-spliced or longitudinal spliced.In addition, multiple baffle portions 22 are corresponding spliced institutes
There is the groove 130 that COB modules 10 are formed to be arranged, i.e. multiple baffle portions 22 divide for longitudinal baffle portion 22 and lateral baffle portion
22.Light blocking layer 20 can be membrane body, sheet body or colloid, and light can not pass through, " being in the light " can be construed to reflection light,
At least one of scattering light and absorption light.Every COB modules 10 can be that lamp drives integrated morphology or lamp drives separation knot
Structure, when driving integrated morphology for lamp, another lateral plates of circuit board 11 are integrated with driving IC, drive each pixel 12；When for
When lamp drives separated structure, the driving plate for being equipped with driving IC with one, the driving plate is electrically connected by connector and circuit board 11.
In the present embodiment, further, light blocking layer 20 is flexible colloid, due to light blocking layer 20 have it is good flexible and
Elasticity facilitates installation, and is easy to store and transport.
It should be noted that in the present invention, by the light blocking layer 20 can be consolidated by with the hooking engagement of groove 130
It is scheduled in all COB modules 10, can also be mounted in all COB modules 10 by adhesive linkage, it can also be solid by connector
It is scheduled in all COB modules 10.
In the present embodiment, further, each baffle portion 22 is in gradually big towards the direction of circuit board 11 along encapsulated layer 13
Setting.
Since baffle portion 22 is larger close to one end of groove 130, and then the baffle portion 22 with the excessive of groove 130 by matching
Close and clip is easy for installation and removal in groove 130, be not necessarily to adhesive linkage or connector.
In the present embodiment, further, light blocking layer 20 is black silica gel.
Black silica gel can play good light blocking effect, while improve the contrast of entire LED display 100,
And silica gel long lifespan, performance are stablized.It should be noted that black silica gel is made by filling black particle in silica gel,
In other embodiment, the color of light blocking layer 20 is not limited to black, can be grey or white, meet the function that is in the light.
In the present embodiment, further, groove 130 includes a plurality of longitudinal slot portion 134 and a plurality of transverse slot portion 136, cross
The longitudinal slot portion 134 formed to two COB modules 10 of splicing is identical as the longitudinal slot portion 134 formed on encapsulated layer 13.
Since the longitudinal slot portion 134 being spliced to form is identical as the longitudinal slot portion 134 formed on encapsulated layer 13, i.e., all longitudinal directions
22 all same of baffle portion, facilitate the making of light blocking layer 20.It should be noted that in other embodiments, horizontally-spliced formation
Longitudinal slot portion 134 can be differed with the longitudinal slot portion 134 formed on encapsulated layer 13, that is, fill the cannelure being spliced to form
The baffle portion 22 in portion 134 can be different from the baffle portion 22 of longitudinal slot portion 134 formed on filling encapsulated layer 13, specific to regard reality
Depending on demand.
In the present embodiment, further, each lens section 131 is in cube shape.Specifically, encapsulated layer 13 is by being molded into
Type (molding) is made, and lens section 131 and groove 130 are directly formed by injection mold, since lens section 131 is in cube shape
Setting, enormously simplifies mould structure, reduces cost, and optical effect is good.Certainly, in other embodiments, groove 130 can
With by cutting formation or compression molding.
In the present embodiment, further, the top of each lens section 131 has a flat top surface 132, flat top surface 132 thick
Roughening is handled.
Lens section 131 corresponds to hollow-out parts 21 and is arranged, and lens section 131 can be observed directly by hollow-out parts 21, due to flat
132 roughening treatment of top surface can improve the display quality of LED display 100 to avoid mirror-reflection.
In the present embodiment, further, outer surface roughening treatment of the light blocking layer 20 far from 13 side of encapsulated layer.
Due to the outer surface roughening treatment of light blocking layer 20, equally LED display can be improved to avoid mirror-reflection
100 display effect.
In the present embodiment, further, LED display 100 is LED display modules, i.e., entire LED display
100 all COB modules 10 share a light blocking layer 20.In other embodiments, which can be that LED is shown
Screen or LED mosaic screens, when for LED display, all COB modules 10 of all LED display modules of the LED display are total
With a light blocking layer 20, to which the piece between LED display modules can be eliminated simultaneously；When for LED mosaic screens, LED splicings
All LED displays of screen share a light blocking layer 20, while can eliminate the piece between LED display.
In the present embodiment, further, LED display 100 includes two horizontally-spliced COB modules 10, and every
One pixel 12 has a red light chips, a blue chip and a green light chip.However, in other embodiments, each pixel
Point 12 can have there are two chip or four chips, even more.
Fig. 4 to fig. 6 is please referred to, Fig. 4 is the sectional view of the utility model LED display second embodiment；Fig. 5 is Fig. 4
The vertical view of the COB modules of middle LED display；Fig. 6 is COB modules in Fig. 5 along the sectional view of line B-B.The present embodiment with it is upper
State first embodiment the difference is that：
Each lens section 131 is in a circular table shape, and since each lens section 131 is in round estrade, bottom is big, and top is small, favorably
In anticollision, prevent the effect of optical crosstalk good, and light distribution effect is good.However, in other embodiments, each lens section 32 can also be
It is billiard table shape, spherical crown shape, prism-frustum-shaped, cylindric, but the case where be not limited to enumerate.
The utility model also provides the 3rd embodiment of LED display, the present embodiment and above-mentioned first embodiment or the
Two embodiments the difference is that：
In conjunction with Fig. 1 and Fig. 4, LED display 100 further includes adhesive linkage (not shown), adhesive linkage be set to light blocking layer 20 with
Both be bonded between encapsulated layer 13；And the baffle portion 22 of light blocking layer 20 is adapted to groove 130, i.e., along encapsulated layer 13 towards circuit
The direction of the plate 11 baffle portion 22 is not necessarily to be in gradually big setting.However, in other embodiments, it can be in first embodiment or second
On the basis of embodiment, one layer of adhesive linkage is added, i.e., is bonded by adhesive linkage on the basis of clip, light blocking layer 20 is completely solid
It is scheduled on encapsulated layer 13.
The utility model also provides the fourth embodiment of LED display, the present embodiment and above-mentioned first embodiment or the
Two embodiments the difference is that：
The transverse slot portion 133 that two longitudinal spliced COB modules 10 are formed and the transverse slot portion formed on encapsulated layer 13
133 is identical；Alternatively, the transverse slot portion 133 that two longitudinal spliced COB modules 10 are formed and the transverse direction formed on encapsulated layer 13
Groove portion 133 is identical, and the longitudinal slot portion 134 that two horizontally-spliced COB modules 10 are formed is indulged with what is formed on encapsulated layer 13
It is identical to groove portion 134.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of LED display includes at least two COB modules of splicing setting；Each COB modules include circuit
Plate, array are set to the encapsulated layer of multiple pixels and the multiple pixel of encapsulation on the circuit board, the encapsulated layer
On offer crisscross groove, the encapsulated layer is divided into the lens section at multiple intervals by the groove, each described
Mirror portion corresponds to a pixel setting, and each pixel includes an at least LED chip, which is characterized in that
The groove extends to the encapsulated layer of two adjacent COB modules stitching portions；
The LED display further includes a light blocking layer, and all COB modules share the light blocking layer；The light blocking layer packet
Multiple hollow-out parts and multiple baffle portions are included, each hollow-out parts correspond to a lens section setting, and the multiple baffle portion is filled out
Fill all grooves.
2. LED display according to claim 1, which is characterized in that the light blocking layer is flexible colloid.
3. LED display according to claim 2, which is characterized in that the baffle portion is along the encapsulated layer towards institute
The direction for stating circuit board is in gradually big setting.
4. LED display according to claim 2, which is characterized in that the light blocking layer is black silica gel.
5. LED display according to claim 1, which is characterized in that further include being set to the light blocking layer and the envelope
The adhesive linkage between layer is filled, the adhesive linkage is used to the light blocking layer being adhered to the encapsulated layer.
6. LED display according to claim 1, which is characterized in that the groove include a plurality of longitudinal slot portion and
A plurality of transverse slot portion,
The longitudinal slot portion that two horizontally-spliced COB modules are formed and the longitudinal slot portion phase formed on the encapsulated layer
Together；And/or
The transverse slot portion that two longitudinal spliced COB modules are formed and the transverse slot portion phase formed on the encapsulated layer
Together.
7. LED display according to claim 1, which is characterized in that the top of each lens section is flat with one
Top surface, the flat top surface roughening treatment.
8. LED display according to claim 1, which is characterized in that the light blocking layer is far from the encapsulated layer side
Outer surface roughening treatment.
9. LED display according to claim 1, which is characterized in that each lens section is in cube shape, round platform
Shape, billiard table shape, cylindric or prism-frustum-shaped.
10. according to the LED display described in claim 1 to 9 any one, which is characterized in that the LED display is
LED display modules, LED display or LED mosaic screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680420.4U CN207676585U (en) | 2017-12-06 | 2017-12-06 | LED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721680420.4U CN207676585U (en) | 2017-12-06 | 2017-12-06 | LED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676585U true CN207676585U (en) | 2018-07-31 |
Family
ID=62965708
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| CN201721680420.4U Active CN207676585U (en) | 2017-12-06 | 2017-12-06 | LED display |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634410A (en) * | 2019-10-21 | 2019-12-31 | 昆山国显光电有限公司 | Display device |
| WO2020063701A1 (en) * | 2018-09-28 | 2020-04-02 | 深圳光峰科技股份有限公司 | Led display screen |
| CN111179774A (en) * | 2020-01-21 | 2020-05-19 | 深圳市艾比森光电股份有限公司 | LED display module and LED display screen |
| CN111754887A (en) * | 2020-06-24 | 2020-10-09 | 深圳市艾比森光电股份有限公司 | Display module, manufacturing method thereof and display |
| CN112164335A (en) * | 2020-08-03 | 2021-01-01 | 深圳市真屏科技发展有限公司 | Novel packaging structure of LED display screen |
| CN114927066A (en) * | 2022-06-17 | 2022-08-19 | 滁州惠科光电科技有限公司 | Backlight module and display device |
-
2017
- 2017-12-06 CN CN201721680420.4U patent/CN207676585U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063701A1 (en) * | 2018-09-28 | 2020-04-02 | 深圳光峰科技股份有限公司 | Led display screen |
| CN110634410A (en) * | 2019-10-21 | 2019-12-31 | 昆山国显光电有限公司 | Display device |
| US12058902B2 (en) | 2019-10-21 | 2024-08-06 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Display device |
| CN111179774A (en) * | 2020-01-21 | 2020-05-19 | 深圳市艾比森光电股份有限公司 | LED display module and LED display screen |
| CN111754887A (en) * | 2020-06-24 | 2020-10-09 | 深圳市艾比森光电股份有限公司 | Display module, manufacturing method thereof and display |
| WO2021258769A1 (en) * | 2020-06-24 | 2021-12-30 | 深圳市艾比森光电股份有限公司 | Display module and manufacturing method therefor, and display |
| CN111754887B (en) * | 2020-06-24 | 2022-08-02 | 深圳市艾比森光电股份有限公司 | Display module, manufacturing method thereof and display |
| CN112164335A (en) * | 2020-08-03 | 2021-01-01 | 深圳市真屏科技发展有限公司 | Novel packaging structure of LED display screen |
| CN114927066A (en) * | 2022-06-17 | 2022-08-19 | 滁州惠科光电科技有限公司 | Backlight module and display device |
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