CN201100902Y - LED display module veil and its display module - Google Patents
LED display module veil and its display module Download PDFInfo
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- CN201100902Y CN201100902Y CNU2008200696906U CN200820069690U CN201100902Y CN 201100902 Y CN201100902 Y CN 201100902Y CN U2008200696906 U CNU2008200696906 U CN U2008200696906U CN 200820069690 U CN200820069690 U CN 200820069690U CN 201100902 Y CN201100902 Y CN 201100902Y
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Abstract
The utility model relates to an LED display die set and a face guard structure. A substrate of the LED display die set face guard adopts black plastic material, translucent bodies adopt transparent plastic material, the double-shot molding technique is adopted to mold integrally, translucent holes are arranged on LED picture element spots which are distributed corresponding to a certain matrix array, and the translucent bodies are arranged inside or outside the translucent holes on the substrate. The LED display die set arranges luminescent diodes or luminescent chips which are corresponded with the translucent holes of the LED display die set face guard and distributed according to the certain matrix array on a PCB substrate, and the PCB substrate and the LED display die set face guard are suitably inserted into a substrate frame on the rear portion of the LED display die set face guard and are installed into a whole through positioning components or fixing components which are mutually matched. The LED display die set of the utility model omits the twice glue water pouring technique, surface molding has good effect, the manufacturing technique is simple, the maintainability of a display screen is increased, existing technical limitations can be broken through, and further increase of the picture element density of the display screen is realized.
Description
One, technical field:
The utility model relates to a kind of LED and shows module and face mask structure thereof, particularly relates to the LED demonstration module that a kind of LED shows the module face shield and contains described face shield.
Two, background technology:
LED shows module manufacture craft more complicated in the prior art, generally be after the injection mo(u)lding of single component plastic cement, with the PCB substrate in combination that is welded with the LED luminescent wafer, pour into solidified glue again in conjunction with as a whole, the light hole of illuminating module and light tight face shield need rely on later stage encapsulating operation ability one-body molded.Existing LED shows that the defective that module exists is, except the manufacture craft more complicated, also cause the heat radiation of light emitting diode or luminescence chip to be affected, lightening hole bare area ratio is big in addition, impression is poor, and especially impression is poorer under the stronger state of high density, full-color demonstration, ambient light; The display screen that this employing classic method and technology are produced is owing to dispelled the heat and light emitting diode or luminescence chip volume restrictions, can't improve display screen matrix density by further technological means, image resolution ratio is relatively low, has a strong impact on display screen quality and display effect.Especially form the existing used demonstration module of indoor LED full color display, each pixel internal illumination chip adopts the red green indigo plant that adds that adds to dispose, this traditional pixel constituted mode, all be subjected to itself structural condition restriction aspect lifting image resolution ratio and the elimination dark space color spot interference, the raising of picture element density and sharpness can't be realized, also just desirable picture quality can not be obtained.And show module for LED at present, on forming, structure also do not have breakthrough substantial improvements.
Three, utility model content:
The utility model is at the prior art deficiency, and the LED that proposes a kind of a whole new mind shows the module face mask structure, and has realized that based on this a kind of new LED shows module, can break through the prior art limitation, realizes the further raising of display screen matrix density.
The technical scheme that the utility model adopted:
A kind of LED shows the module face shield, contain substrate and light penetrating object, substrate adopts the black plastic material, light penetrating object adopts the clear plastic material, described substrate and light penetrating object adopt double-shot moulding technology integrated injection molding, the LED pixel that corresponding certain matrix array distributes on the described substrate is provided with light hole, on the substrate in the light hole or light hole outside be light penetrating object.
Described LED shows the module face shield, and substrate and face shield overall profile are shaped as square or rectangle, and substrate posterior medial periphery is provided with frame, substrate posterior medial face be provided with the PCB substrate on the reference column or the fixture mounting hole of pilot hole coupling.
Described LED shows the module face shield, light penetrating object is to be positioned at the leaded light post of the xsect of light hole and light hole contour shape correspondence for circular, oval, square or rectangle, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, leaded light post outer face is plane, spherical crown or ellipse ball-crown body, or is parabolic body.
Described LED shows the module face shield, light penetrating object comprises that the shape of cross section that is positioned at light hole and light hole contour shape correspondence is circular, oval, square or the leaded light post of rectangle and the light transmitting surface that fuses with the leaded light post, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, and described light transmitting surface is pitted skin, salient point surface or is provided with the grid striped.
Described LED shows the module face shield, and light penetrating object is whole clearing plastic layer or the clear plastic cover that is positioned at the substrate outer face, and described whole clearing plastic layer surface is for pitted skin, salient point surface or be provided with the grid striped.
Described LED shows the module face shield, and the substrate outer face is positioned at the light hole upside and is provided with outstanding shading edge, and whole clearing plastic layer and substrate are complementary and form the surface is provided with recess for plane or corresponding light hole face shield surface.
A kind of LED shows module, contain aforesaid LED and show module face shield and PCB substrate, on the PCB substrate, be provided with LED light emitting diode or the luminescence chip that show module face shield light hole correspondence with LED by certain matrix array distribution, described PCB substrate and LED show that the module face shield is complementary, PCB substrate setting-in shows that to LED in the rear portion substrate frame of module face shield, PCB substrate and LED show that the module face shield is installed as one by the keeper or the fixture of mutual coupling.
Described LED shows module, and luminescence chip on the PCB substrate or light emitting diode are monochromatic, double-colored or full color.
Described LED shows module, every four adjacent luminescence chips are two red a, indigo plant, a green configuration on the PCB substrate, two emitting red light chips and two greens, blue-light-emitting chips are the diagonal angle distribution respectively and form a pixel, each luminescence chip pin is drawn from the PCB substrate back, and two emitting red light chip pins are independent separately on circuit.
Useful good effect of the present utility model:
1, the utility model LED shows module, saves secondary glue instillation process, and surface forming is effective, impression is preferable, and pcb board does not need to have simplified production technology with module integral body encapsulating in the module, assembly and disassembly flexibly, has conveniently improved the display screen maintainability, and helps heat radiation.
2, be provided with the leaded light post in the utility model demonstration module face shield light hole, utilize the double-shot moulding technology, making leaded light post and light transmitting surface in the module light hole is with a kind of clear plastic material, substrate adopts the black plastic material, directive transparent surface the leaded light post that luminophor emits beam the light hole reserved from black substrate plastic cement and adopts the clear plastic moulding, thereby accomplish to show that module face shield Facing material is the same, there is not obvious black and white contrast, improve impression and screen display effect, the adaptive convenience of internal circuit.
3, the utility model LED shows module, and it is bigger to make display screen matrix density to accomplish, thereby promotes display image resolution, further improves display screen quality and display effect.Especially for full color display, each matrix dot position is provided with a luminescence chip on the PCB substrate, every four adjacent luminescence chips adopt two emitting red light chips and an indigo plant, a green arrangement that is the diagonal angle distribution respectively to form pixel, the green emitting chip G, the blue-light-emitting chip B that emitting red light chip R1, R2 can be adjacent by digital circuit technique respectively are combined as new composite pixel, the picture element density of its display image is one red, green when adding three luminescence chips configurations of a basket four times of tradition, and image resolution ratio promotes significantly.
Four, description of drawings:
Fig. 1: the utility model LED shows one of module face mask structure front elevation
Fig. 2: LED shown in Figure 1 shows the module face shield and shows module sectional structure synoptic diagram
Fig. 3: the utility model LED shows two sectional structure synoptic diagram of module and face mask structure
Fig. 4: the utility model LED shows three sectional structure synoptic diagram of module and face mask structure
Fig. 5: the utility model LED shows four sectional structure synoptic diagram of module and face mask structure
Fig. 6: the utility model LED shows five sectional structure synoptic diagram of module and face mask structure
Fig. 7: the utility model LED shows six sectional structure synoptic diagram of module and face mask structure
Fig. 8: the utility model LED shows seven sectional structure synoptic diagram of module and face mask structure
Fig. 9: the utility model LED shows eight sectional structure synoptic diagram of module and face mask structure
Five, embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, show a kind of structure of module and face shield for the utility model LED.The utility model LED shows that the module face shield contains substrate 1 and light penetrating object 2, substrate 1 adopts the black plastic material, light penetrating object 2 adopts the clear plastic material, its unlike the prior art be: substrate 1 and light penetrating object 2 adopts double-shot moulding technology integrated injection moldings, the LED pixel that corresponding certain matrix array distributes on the substrate 1 is provided with light hole, on the substrate 1 in the light hole or light hole outside be light penetrating object.Present embodiment LED shows that module face shield light penetrating object 2 is the leaded light post in the light hole on the substrate 1.The leaded light post is corresponding consistent with the light hole shape, leaded light post shape of cross section can be circle, ellipse, square or rectangle, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, and leaded light post outer face is spherical crown or ellipse ball-crown body, or is parabolic body.Present embodiment LED shows that module face shield light hole is that 16*16 distributes, and corresponding installation picture element matrix is distributed as the PCB substrate of 16*16.
Fig. 2 shows that for adopting said structure LED the LED of module face shield shows module, and LED shows that the module overall profile is shaped as square (according to the different pixels matrix distribution, but showing module overall profile shape or rectangle).LED shows that the substrate 1 posterior medial periphery of module face shield is provided with frame 3, PCB substrate 5 and LED show that the module face shield is complementary, PCB substrate 5 setting-ins show in the rear portion substrate frame 3 of module face shield to LED, substrate 1 posterior medial face is provided with the reference column 4 that mates with PCB substrate 5 and (perhaps is provided with the fixture mounting hole with PCB substrate coupling, both are by gib screw or mate screw rod, nut connects, and the nut injection moulding sets in advance relevant position in substrate 1).
The utility model shows that module PCB substrate 5 and face shield are that activity removably connects, and greatly facilitates the maintenance, repair operation, and peripheral slit helps heat radiation.Show that the module luminophor adopts luminescent wafer, make demonstration module picture element density to accomplish maximization according to the wafer volume.
Embodiment two: referring to Fig. 3, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows the module face shield, light penetrating object 2 comprises and is positioned at light hole leaded light post corresponding with the light hole shape and the light transmitting surface that fuses with the leaded light post, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, and described light transmitting surface is pitted skin, salient point surface or is provided with the grid striped.When light transmitting surface adopts little boss point, the every mm of the quantity of little boss point
2〉=4.
In Fig. 3, LED shows that module face shield and PCB substrate 5 are combined as the whole module that shows.Demonstration module light transmitting surface and leaded light post are used with a kind of clear plastic injection moulding, substrate 1 and frame 3 usefulness are with a kind of black plastic injection moulding, utilize double-shot moulding technology, by the good bicolor injection mould moulding of design and manufacture, the transparent body and dark volume are closely glued together, and PCB substrate 5 is the direct and synthetic LED demonstration of set of mask module by the back, reference column 4 location of passing the pilot hole on the PCB substrate.
Embodiment three: referring to Fig. 4, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows the structure and embodiment one structural similarity of module and face shield, its difference is: LED shows that module leaded light post outer face is the plane, LED shows that light hole outer end on the module face shield is uncovered tubaeform, and the LED of composition shows that module and embodiment two are similarly the whole clearing surface.
Embodiment four: referring to Fig. 5, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows the structure of module and face shield, is with embodiment three differences: the leaded light post outer face height on the substrate 1 in the light hole is lower than substrate 1 whole outside surface, and leaded light post outer face is spherical crown or ellipse ball-crown body, or is parabolic body.
Embodiment five: referring to Fig. 6, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows module and face mask structure, be with embodiment two differences: described substrate 1 outer face is positioned at the corresponding leaded light post of light hole upside and is provided with outstanding shading along 8, and each light hole is provided with recess on the corresponding substrate 1 of face shield whole clearing plastic cement surface.
Among Fig. 6, the leaded light post surface of forming light penetrating object 2 is the spherical crown bodily form, leaded light post surface or be ellipse ball-crown body or parabolic body, the light that the internal illumination body is sent has certain angular dispersed in the horizontal vertical direction, shading is played the shadow shield effect along 8 on transparent ball top, prevent that sunlight from injecting from top, transparent colloid is annotated to irritate and is removed ball-crown body (or ellipse ball-crown body or parabolic body) the whole spaces of notch part all around, and this kind demonstration module is applicable to the outdoor display screen that assembles high pixel density.
Embodiment six: referring to Fig. 7, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows module and face mask structure, be with the difference of embodiment two: face shield light penetrating object 2 and black substrate 1 are reserved light hole 6 spaces after by the mould integrated injection molding, be not have clear plastic leaded light post in the light hole 6, substrate 1 outer face is positioned at the corresponding light hole 6 of light hole upside and is provided with outstanding shading along 8 in addition, present embodiment shows that the luminophor on the module PCB substrate 5 is the LED light emitting diode, PCB substrate 5 usefulness screws are fixed on the substrate 1, and light emitting diode just in time is positioned at light hole 6 inner chambers.Light hole 6 can be square, circular, oval.
Embodiment seven: referring to Fig. 8, number in the figure does not repeat with the identical representative same meaning of embodiment one.Present embodiment LED shows the module face shield, contain substrate 1 and light penetrating object 2, the LED pixel that corresponding certain matrix array distributes on the substrate 1 is provided with light hole, substrate 1 and light penetrating object 2 adopt double-shot moulding technology integrated injection molding, light penetrating object 2 is a whole clearing plastic cement cover, be positioned at the corresponding whole clearing plastic cement of light hole upside in substrate 1 outer face and be covered with outstanding shading along 8, substrate 1 and shading are adopted the black plastic material along 8.Whole clearing plastic cement as light penetrating object is located at substrate 1 inside, and the palilate luminophor containing cavity cavity coupling that is provided with on the whole clearing plastic cement cover is nested in the light hole.Present embodiment shows that the module luminophor adopts diode, LED light emitting diode 7 is welded as integral body with PCB substrate 5, PCB substrate 5 nested being installed in the face shield substrate, light emitting diode 7 correspondences are packed in the clear plastic cover in the light hole, realize that internal illumination pipe light can penetrate, can reach the purpose that stops rainwater to enter again, suitable outdoor use.
Embodiment eight: referring to Fig. 9, number in the figure does not repeat with the identical representative same meaning of embodiment one, embodiment seven.The difference of present embodiment and embodiment seven is: be positioned at the outer face of substrate 1, the light hole position on the luminophor containing cavity corresponding substrate 1 on the whole clearing plastic cement cover as the whole clearing plastic cement cover of light penetrating object 2.Substrate 1 outer face is not provided with shading along 8.
The utility model LED shows module, and luminescence chip on the PCB substrate or light emitting diode can be monochrome, double-colored or full color and LED and show that module face shield light hole is corresponding and distribute by certain matrix array.When adopting the full-color light-emitting wafer, every four adjacent luminescence chips can be two red a, indigo plant, a green configuration on the PCB substrate, two emitting red light chips and two greens, blue-light-emitting chips are the diagonal angle distribution respectively and form a pixel, each luminescence chip pin is drawn from the PCB substrate back, and two emitting red light chip pins are independent separately on circuit.Green emitting chip G, the blue-light-emitting chip B that emitting red light chip R1, R2 can be adjacent by digital circuit technique respectively are combined as new composite pixel, the picture element density of its display image is one red, green when adding three luminescence chips configurations of a basket four times of tradition, and image resolution ratio promotes significantly.
The utility model LED shows module face shield light hole or is the 8*8 distribution, or arrange with other matrix array such as 4*4,8*12,8*16,12*16, PCB substrate and LED show that the module face shield is complementary, the demonstration module that can form the different pixels array respectively is assembled into the display screen of different face shapings.
Claims (9)
1, a kind of LED shows the module face shield, contain substrate and light penetrating object, substrate adopts the black plastic material, light penetrating object adopts the clear plastic material, it is characterized in that: described substrate and light penetrating object adopt double-shot moulding technology integrated injection molding, the LED pixel that corresponding certain matrix array distributes on the described substrate is provided with light hole, on the substrate in the light hole or light hole outside be light penetrating object.
2, LED according to claim 1 shows the module face shield, it is characterized in that: described substrate and face shield overall profile are shaped as square or rectangle, substrate posterior medial periphery is provided with frame, substrate posterior medial face be provided with the PCB substrate on the reference column or the fixture mounting hole of pilot hole coupling.
3, LED according to claim 1 and 2 shows the module face shield, it is characterized in that: described light penetrating object is to be positioned at the leaded light post of the light hole xsect corresponding with the light hole contour shape for circular, oval, square or rectangle, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, leaded light post outer face is plane, spherical crown or ellipse ball-crown body, or is parabolic body.
4, LED according to claim 1 and 2 shows the module face shield, it is characterized in that: described light penetrating object comprise be positioned at light hole with and the corresponding shape of cross section of light hole contour shape be circular, oval, square or the leaded light post of rectangle and the light transmitting surface that fuses with the leaded light post, leaded light post inner face is provided with the containing cavity with LED light emitting diode or luminescent wafer correspondence, and described light transmitting surface is pitted skin, salient point surface or is provided with the grid striped.
5, LED according to claim 1 and 2 shows the module face shield, and it is characterized in that: described light penetrating object is whole clearing plastic layer or the clear plastic cover that is positioned at the substrate outer face, and described whole clearing plastic layer surface is for pitted skin, salient point surface or be provided with the grid striped.
6, LED according to claim 5 shows the module face shield, it is characterized in that: described substrate outer face is positioned at the light hole upside and is provided with outstanding shading edge, and whole clearing plastic layer and substrate are complementary and form the surface is provided with recess for plane or corresponding light hole face shield surface.
7, a kind of LED shows module, contain the described LED of claim 1 and show module face shield and PCB substrate, on the PCB substrate, be provided with LED light emitting diode or the luminescence chip that show module face shield light hole correspondence with LED by certain matrix array distribution, it is characterized in that: described PCB substrate and LED show that the module face shield is complementary, PCB substrate setting-in shows that to LED in the rear portion substrate frame of module face shield, PCB substrate and LED show that the module face shield is installed as one by the keeper or the fixture of mutual coupling.
8, LED according to claim 7 shows module, it is characterized in that: luminescence chip on the PCB substrate or light emitting diode are monochromatic, double-colored or full color.
9, LED according to claim 7 shows module, it is characterized in that: every four adjacent luminescence chips are two red a, indigo plant, a green configuration on the PCB substrate, two emitting red light chips and two greens, blue-light-emitting chips are the diagonal angle distribution respectively and form a pixel, each luminescence chip pin is drawn from the PCB substrate back, and two emitting red light chip pins are independent separately on circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200696906U CN201100902Y (en) | 2008-03-24 | 2008-03-24 | LED display module veil and its display module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200696906U CN201100902Y (en) | 2008-03-24 | 2008-03-24 | LED display module veil and its display module |
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| CN201100902Y true CN201100902Y (en) | 2008-08-13 |
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| CNU2008200696906U Expired - Fee Related CN201100902Y (en) | 2008-03-24 | 2008-03-24 | LED display module veil and its display module |
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| CN110033709A (en) * | 2018-01-11 | 2019-07-19 | 启端光电股份有限公司 | Micro- LED display panel |
| CN108597391A (en) * | 2018-06-12 | 2018-09-28 | 周友发 | The encapsulation coating technique of LED display modules |
| CN110017459A (en) * | 2019-05-24 | 2019-07-16 | 上海钧正网络科技有限公司 | Mounting structure, electronic product and the shared vehicle of a kind of LED light on pcb board |
| CN110534032A (en) * | 2019-09-25 | 2019-12-03 | 深圳裸眼威阿科技有限公司 | A kind of LED screen and preparation method thereof of band leaded light mask |
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