CN204857715U - LED light -emitting component , LED luminescent panel and LED display screen - Google Patents
LED light -emitting component , LED luminescent panel and LED display screen Download PDFInfo
- Publication number
- CN204857715U CN204857715U CN201520494587.6U CN201520494587U CN204857715U CN 204857715 U CN204857715 U CN 204857715U CN 201520494587 U CN201520494587 U CN 201520494587U CN 204857715 U CN204857715 U CN 204857715U
- Authority
- CN
- China
- Prior art keywords
- led
- led chip
- drive
- blind hole
- composite bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05553—Shape in top view being rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48145—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49109—Connecting at different heights outside the semiconductor or solid-state body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
- H01L2224/49171—Fan-out arrangements
Abstract
The utility model discloses a LED light -emitting component, LED luminescent panel and LED display screen. This LED light -emitting component include a composite bed, at least one contain the LED chip the LED chipset, at least one drives IC, the composite bed includes a base plate that is located the front side, the LED chip is all installed in the front side of composite bed with drive IC, and the negative pole of LED chip links to each other with drive IC through (bonding) the mode of binding of beating the gold thread, an anodal blind hole from the inside positive electrode that inserts of composite bed of crossing of a plurality of blind holes, LED chip has been seted up to the front side of composite bed, drive IC's VDD pin is drawn forth the wire and is crossed a blind hole from the inside positive electrode that inserts of composite bed, drive IC's GND pin is drawn forth the wire and is crossed a blind hole from the inside negative electrode that inserts of composite bed, connect by the signal line between the drive IC. This scheme has realized a full transparent LED display screen, and transparency and picture element density are all increased substantially.
Description
Technical field
The utility model relates to LED and shows field, particularly relates to LED luminescence component, LED luminescent panel and LED display.
Background technology
Transparency LED display screen is because the display effect of penetrating not block vision and uniqueness thereof, more and more be subject to the favor in market, in market, airport, bank, the high-end applications such as luxury goods shop are more and more wider, but, because LED display internal control circuit is extremely complicated, accomplish good penetrating effect, should ensure that the most basic logical circuit normally works to drive all LED, reduce hardware to the stop of sight line to the greatest extent to greatest extent again, these hardware comprise structural member, circuit board, plastics external member and drive IC, the electronic devices and components such as LED, therefore, the picture element density of LED display is higher, the more difficult realization of its penetrating effect, such as, the normal package dimension of LED just has SMD3535 (overall dimensions 3.5mm × 3.5mm), SMD3528 (overall dimensions 3.5mm × 2.8mm), SMD2121 (overall dimensions 2.1mm × 2.1mm), the minimum package dimension of LED display drive IC also has 4mm × 4mm, adds that complicated logical circuit is interconnected, substantially cannot realize the transparency LED display screen of below pel spacing 5mm.
The pel spacing of transparency LED display screen is generally at more than 10mm in the market, also have and reach 8mm spacing, but penetrating degree is unsatisfactory.If application number is the utility model of CN200610164506.1, employ electrically conducting transparent membrane technology, there is very high transparency, but because the weakness that electrically conducting transparent membrane impedance is large, pressure drop is large, this material can not form tiny circuit in the plane as common copper foil circuit board, complicated circuitous pattern cannot be held in limited size range, therefore can only the spacing of LED chip be done very large, realize the function of simple brightening and display simple characters.For another example a kind of transparency LED display screen that the utility model that application number is CN201310011178 discloses, because drive IC is arranged in the LED lamp bar of horizontal positioned, complicated logical circuit can be held, its pel spacing can reach 5-8mm, when but pel spacing is below 5mm, its penetrating degree is very low, loses the meaning of transparency LED display screen.
Utility model content
The utility model provides LED luminescence component, LED luminescent panel and LED display, it is by arranging composite bed, layout conductive layer and insulating barrier in composite bed, LED chip and drive IC are installed on the front side of composite bed, LED chip and drive IC closely arrange, LED chip is closely connected mainly through direct gold thread binding mode with drive IC, greatly reduce complicated circuitous pattern layer, composite bed achieves the high-density installation of LED chip and drive IC, achieve the LED display that display is fine and smooth, simultaneously due to the LED chip that do not encapsulate and drive IC size minimum, naked eyes are difficult to discover, thus achieve the high LED display of a kind of transparency.
For realizing above-mentioned design, the utility model by the following technical solutions:
On the one hand adopt LED luminescence component, comprise a composite bed, at least one comprises LED chip group, at least one drive IC of LED chip; Described composite bed comprises the substrate that is positioned at front side;
Described LED chip and drive IC are all installed on the front side of described composite bed, and the negative pole of described LED chip is drawn wire and is connected with described drive IC; The front side of described composite bed offers multiple blind hole, and the positive pole of described LED chip crosses a described blind hole from composite bed inside access positive electrode; The VDD pin of described drive IC is drawn wire and is crossed a described blind hole from composite bed inside access positive electrode; The GND pin of described drive IC is drawn wire and is crossed a described blind hole from composite bed inside access negative electrode; Connected by holding wire between described drive IC.
Adopt a kind of LED luminescent panel on the other hand, comprise at least two aforesaid LED luminescence components.
Finally adopt a kind of LED display, comprise aforesaid LED luminescent panel.
The beneficial effects of the utility model are: by arranging composite bed, layout conductive layer and insulating barrier in composite bed, LED chip and drive IC are installed on the front side of composite bed, LED chip and drive IC are mainly through the conductive layer power taking of composite bed inside, the insulation between each conductive layer is realized by insulator, simultaneously, closely installation is arranged between drive IC and LED chip, directly connected by the short distance of gold thread binding mode, decrease drive IC to be connected with the circuit of LED chip complexity, composite bed achieves the high-density installation of LED chip and drive IC, achieve the LED display that display is fine and smooth.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the front view of the first embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 2 is the front view of the second embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 3 is the distribution of electrodes schematic diagram of the second embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 4 is the internal structure schematic diagram of the 3rd embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 5 is the front view of the 4th embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 6 is the internal structure schematic diagram of the 4th embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 7 is the internal structure schematic diagram of the 5th embodiment of the LED luminescence component provided in the utility model embodiment.
Fig. 8 is the cabling schematic diagram of the holding wire of the LED luminescence component provided in the utility model embodiment.
Fig. 9 is the structural representation of the LED luminescent panel provided in the utility model embodiment.
Wherein: 10-composite bed; 11-substrate; 12-electrode layer; 121-positive electrode; 122-negative electrode; 13-first insulating barrier; 14-the 3rd insulating barrier; 15-second insulating barrier; 16-signal line layer; 20-drive IC; 21-signal pins; 22-holding wire; 30-LED chip; 31-wire; 40-pad;
Embodiment
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
First embodiment
Please refer to Fig. 1, it is the front view of the first embodiment of the LED luminescence component provided in the utility model embodiment.As shown in the figure, this LED luminescence component, comprises a composite bed 10, at least one comprises LED chip group, at least one drive IC 20 of LED chip 30; Described composite bed 10 comprises the substrate 11 that is positioned at front side;
Described LED chip 30 and drive IC 20 are all installed on the front side of described composite bed 10, and the negative pole of described LED chip 30 is drawn wire 31 and is connected with described drive IC 20; The front side of described composite bed 10 offers multiple blind hole, and the positive pole of described LED chip 30 crosses a described blind hole from composite bed 10 inside access positive electrode 121; The VDD pin of described drive IC 20 is drawn wire 31 and is crossed a described blind hole from composite bed 10 inside access positive electrode 121; The GND pin of described drive IC 20 is drawn wire 31 and is crossed a described blind hole from composite bed 10 inside access negative electrode 122; Connected by holding wire 22 between described drive IC 20.
The side at the place, direction of light transmition when front side described in this programme refers to luminescence, RELATED APPLICATIONS when describing using the direction of luminescence as this programme.
A drive IC 20 in this programme can a corresponding LED chip group, and LED chip group and drive IC 20 branch are spaced.The institutional framework of this arrangement mode and annexation are all fairly simple, do not do emphasis set forth at this.
In this programme, LED chip group is generally all array distribution, and distance between adjacent two row of Distance geometry between adjacent rows is equal.Can form one luminous group by 2 × 1,2 × 2 or 2 × 3 LED chip groups, the corresponding drive IC 20 of each luminescence group, drive IC 20 is arranged at the planar central of luminous group.When embodiment in this programme is described, mainly based on 2 × 2 luminescence group layout type.
Described composite bed 10 is transparent layer 10.Composite bed 10 comprises the layering of the transparent material composition of multilayer insulation or conduction, the materials such as transparent material such as PET, PVC, PC, PE, the acrylic of insulation; Transparent material such as acryl conductive, transparent glue, indium tin oxide (IndiumTinOxide, ITO) and the indium-zinc oxide (IndiumZincOxide, IZO) of conduction.The transparent material of conduction generally depends on adjacent surface of insulating layer.
By arranging transparent layer 10, layout transparent conductive body and transparent insulator in transparent layer 10, LED chip 30 and drive IC 20 are installed on the front side of transparent layer 10, LED chip 30 is connected with the transparent conductive body of drive IC 20 mainly through transparent layer 10 inside, the insulation between each layer transparent conductive body is realized by transparent insulator, transparent layer 10 achieves the all-transparent effect of the exterior domain of LED chip 30 and drive IC 20, and then provide one and can realize below pel spacing 5mm, the LED display of transparency more than 90%.
When embodiment in this programme is described, mainly based on the implementation of transparent layer 10.
In the LED Display Technique of routine, each pixel arranges the display that one or more LED completes predetermined image, and the pixel that the size of LED itself determines the LED display that prior art makes is very large, display effect is fine and smooth not, and because the stop of LED itself cannot realize high transmission rate.In this programme, the optimized integration of each pixel is not packaged LED, but minimum LED chip 30, under the present art, LED chip 30 can accomplish the size of 0.15mm × 0.15mm, can realize fine and smooth pixel and export.Meanwhile, adopt the naked wafer do not encapsulated as drive IC 20, its overall dimensions, generally at below 2mmX2mm, are far seen that human eye is difficult to discover, thus are improved light transmittance further.In the scheme shown in Fig. 1, each pixel is provided with a LED chip 30, can realize the simplest LED to show, the glow color of LED chip 30 is wherein red, green, blue or white, and monochromatic luminous LED is usually used in the fairly simple billboard etc. of displaying contents.
In the present embodiment, the power supply of LED chip 30 and drive IC 20 is realized by the transparent conductive body being arranged at composite bed 10 inside; Signal transmissions between LED chip 30 and drive IC 20, between drive IC 20 and drive IC 20 is realized by the holding wire 22 on front side of composite bed 10.
Described LED chip 30 and drive IC 20 pass through COB or COG process Installation on described substrate 11.
The front side of described substrate 11 is coated with transparent sealing, and transparent sealing generally adopts a kind of material wherein such as polyurethane, epoxy resin, polyethylene vinylacetate, plastic of poly vinyl acetate.
COB technique, COG technique and sealing adhesive process in the prior art more realization, is not described further at this.
In sum, by arranging composite bed 10, layout conductive layer and insulating barrier in composite bed 10, LED chip 30 and drive IC 20 are installed on the front side of composite bed 10, LED chip 30 and drive IC 20 realize direct connection, avoid the mode that common LED display screen drive IC 20 is connected with LED chip 30 by 2 layers or the complicated circuit of multilayer circuit board, make drive IC 20 with the most direct, the mode of minimal path realizes controlling to LED chip 30, thus on composite bed 10, achieve the high-density installation of LED chip 30 and drive IC 20, simultaneously because LED chip 30 and drive IC 20 take the form not having encapsulation, be directly installed on transparent layer 10 in the mode of COB or COG, because its size is minimum, naked eyes are difficult to differentiate, can intensively install again simultaneously, thus achieve the display effect of high transparency and high density exquisiteness.
Second embodiment
Please refer to Fig. 2 and Fig. 3, it is front view and the distribution of electrodes schematic diagram of the second embodiment of the LED luminescence component provided in the utility model embodiment respectively.As shown in Figure 2, LED chip group comprises R-LED chip, G-LED chip and B-LED chip.
Arranging of three kinds of LED chips 30 can provide abundant color change, realizes the display of coloured image.
In the present embodiment, described composite bed 10 also comprises electrode layer and the insulating barrier of the rear side being set in turn in described substrate 11;
Described electrode layer is provided with positive electrode 121 and negative electrode 122, and described substrate 11 offers the multiple blind holes arriving at described positive electrode 121 or negative electrode 122.
For realizing the work of drive IC 20 and LED chip 30, positive electrode 121 and negative electrode 122 is needed to power.As shown in Figure 3, electrode layer is not the rear side being covered in substrate 11 completely, but between substrate 11 and insulating barrier, being provided with two independently electrodes (positive electrode 121 and negative electrode 122), positive electrode 121 and negative electrode 122 can be considered as being in same layer, but both work alone.The thickness that transparent conductive body makes the electrode layer obtained is minimum, and in order to reduce the line resistance in power supply process, the width of electrode layer generally can arrange larger, if necessary, the width of each electrode layer can be allowed close to the half of the width of substrate 11.
In figure 3, the blind hole that substrate 11 is offered arrives at positive electrode 121 and negative electrode 122, and two power pins of drive IC 20 are respectively from blind hole access positive electrode 121 and negative electrode 122; Certainly, the positive pole of LED chip 30 is also by blind hole access positive electrode 121.
For drive IC 20 and LED chip 30 and inner annexation, in order to ensure to connect effect, blind via bottom is all provided with pad 40, is equivalent to be all be linked into corresponding conductive layer by pad 40.Wire 31 and holding wire 22 are the gold thread that binding mode is beaten.Gold thread is that diameter is minimum, the sightless line of naked eyes, and between LED chip 30 and drive IC 20, inner, the drive IC 20 of LED chip 30 and composite bed 10 is all connected by gold thread with composite bed 10 inside.
3rd embodiment
Please refer to Fig. 4, it is the internal structure schematic diagram of the 3rd embodiment of the LED luminescence component provided in the utility model embodiment.Internal structure schematic diagram in the present embodiment mainly realizes based on the layout type of LED chip group in second embodiment Fig. 2.As shown in Figure 4, described composite bed 10 also comprises the first electrode layer of the rear side being set in turn in described substrate 11, the first insulating barrier 13, the second electrode lay and the second insulating barrier 15; One in described first electrode layer and the second electrode lay is set to positive electrode 121, and another is set to negative electrode 122; Described blind hole comprise run through described substrate 11 arrive at positive electrode 121 the first blind hole, run through the second blind hole that described substrate 11 arrives at negative electrode 122; The positive pole extraction wire 31 of described LED chip 30 is crossed described first blind hole and is connected with described positive electrode 121; The VDD pin extraction wire 31 of described drive IC 20 is crossed described first blind hole and is connected with described positive electrode 121, and the GND pin extraction wire 31 of described drive IC 20 is crossed described second blind hole and is connected with described negative electrode 122.
It should be noted that, Fig. 4 is not the profile of certain position in Fig. 2, is only the schematic diagram of the internal structure of scheme shown in the second embodiment, focuses on the connected mode of the degree of depth of blind hole and the conductive layer of correspondence and drive IC 20 or LED chip 30.In this programme, allly all to be realized by pad 40 with the connection of composite bed 10 inside.In the scheme shown in Fig. 4, the first electrode layer is set to positive electrode 121, and the second electrode lay is set to negative electrode 122; Both also can exchange, and namely the first electrode layer is set to negative electrode 122; The second electrode lay is set to positive electrode 121.
4th embodiment
Please refer to Fig. 5 and Fig. 6, it is front view and the internal structure schematic diagram of the 4th embodiment provided in the utility model embodiment respectively.As shown in Figure 5, every 5 LED chip groups form one luminous group, the corresponding drive IC 20 of each luminous group, each luminous group is positioned at adjacent rows, a wherein behavior 2 LED chip groups, another behavior 3 LED chip groups, described drive IC 20 is arranged between described adjacent rows.
Drive IC 20 drives the LED chip group of 5 groups 3 group, adjacent two drive IC 20 are with LED such as Fig. 5 position of carrying to interlock, the practical significance of this type of drive is, conventional drive IC 20 is 16 output channel driving LED chips 30, if 5 groups of LED chip groups are just 15, if drive the LED chip group of 2 × 3, that just needs 18 passages, and 16 passages are not enough.Certainly, if need the LED chip group of driving 2 × 3, be the drive IC 20 can producing 18 passages.
(layout of 2+3 and the layout of 2 × 3 is comprised) in the layout of drive IC in the present embodiment-LED chip group, drive IC 20 only has a relative direction to be convenient to the cabling of holding wire 22, when the LED luminescence component in multiple the present embodiment forms a large LED luminescent panel, can only extend toward horizontal or vertical direction, extend toward other direction and then can be limited by the party's LED chip group upwards.This situation internal structure proposed pointedly is as shown in Figure 6 gone forward side by side walking line.
As shown in Figure 6, described composite bed 10 also comprises the first electrode layer of the rear side being set in turn in described substrate 11, the first insulating barrier 13, the second electrode lay and the second insulating barrier 15; One in described first electrode layer and the second electrode lay is set to positive electrode 121, and another is set to negative electrode 122; Described blind hole comprise run through described substrate 11 arrive at positive electrode 121 the first blind hole, run through the second blind hole that described substrate 11 arrives at negative electrode 122; The positive pole extraction wire 31 of described LED chip 30 is crossed described first blind hole and is connected with described positive electrode 121; The VDD pin extraction wire 31 of described drive IC 20 is crossed described first blind hole and is connected with described positive electrode 121, and the GND pin extraction wire 31 of described drive IC 20 is crossed described second blind hole and is connected with described negative electrode 122; Also comprise the 3rd insulating barrier 14 and realized the signal line layer 16 that insulate by described 3rd insulating barrier 14 and described first electrode layer or the second electrode lay; Described blind hole comprises and runs through the 3rd blind hole that described substrate 11 arrives at described signal line layer 16; Described holding wire 22 is for being arranged at the signal graph layer of described signal line layer 16, and the signal pins 21 of described drive IC 20 is drawn described 3rd blind hole of wire 31 mistake and is connected to described signal graph layer.
When holding wire 22 is arranged at composite bed 10 inside, only have very thin layer of transparent conducting film, in order to reduce resistance, the width that can widen holding wire 22 forms signal graph layer.
Because the holding wire 22 of drive IC 20 has two at least, corresponding, at least 2 layers of described signal line layer 16 and at least 2 layers of described 3rd insulating barrier 14 can be set.Each signal line 22 forms a signal line layer 16, is insulated with other conductive layer by one the 3rd insulating barrier 14.
In the arrangement of reality, positive electrode 121, negative electrode 122 and two signal line layers 16 do not have the tandem in absolute sense, only need the insulation between being realized separately by each insulating barrier, are connected by blind hole with corresponding parts.
Certainly, the layout type of the LED chip in the second embodiment or the layout type of other LED chip do not described in detail all realize the transmission of signal by built-in signal line layer.
5th embodiment
Please refer to Fig. 7, it is the internal structure schematic diagram of the 5th embodiment provided in the utility model embodiment.As shown in the figure, R-LED chip is installed on the first pad 40 corresponding to described first blind hole by silver slurry die bond; Described G-LED chip and B-LED chip are installed on the first pad 40 corresponding to described first blind hole by insulative glue die bond.
Because pad 40 and LED chip 30 are all opaque, LED chip 30 is installed on pad 40 and can improves light transmittance further, opaque pad 40 also can stop that LED chip 30 is luminous on rear side of screen through composite bed 10, when this programme is applied to architectural, effectively can eliminate the luminous impact on indoor of screen.The construction package that pad 40 is made as a kind of metal material simultaneously also can play better radiating effect for LED chip 30.
It should be noted that, LED chip 30 mode be arranged on pad 40 is not the specific implementation mode in the layout type of a certain LED chip 30, for the blind hole in any layout type, all LED chip 30 can be arranged at the design effect that corresponding pad realizes in the present embodiment.
Generally speaking, conveniently follow-up assembling, LED luminescence component preferably installs LED chip group as much as possible, and as shown in Figure 8, the one way signal link that drive IC 20 is connected by being connected to form front and back in a zigzag, realizes transmission and the display of view data.
Additionally provide LED luminescent panel in the present embodiment, comprise at least two aforesaid LED luminescence components, the arrangement of described LED luminescence component order.Arrangement as shown in Figure 9.
By being connected to form the one way signal link that front and back are connected in a zigzag between each LED luminescence component.Also each LED luminescence component can be allowed to access signal bus and to realize signal access.
Finally, additionally provide LED display, be provided with LED luminescent panel as shown in Figure 9.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (18)
1.LED luminescence component, is characterized in that, comprises a composite bed (10), at least one comprises LED chip group, at least one drive IC (20) of LED chip (30); Described composite bed (10) comprises the substrate (11) that is positioned at front side;
Described LED chip (30) and drive IC (20) are all installed on the front side of described composite bed (10), and the negative pole of described LED chip (30) is drawn wire (31) and is connected with described drive IC (20); The front side of described composite bed (10) offers multiple blind hole, and the positive pole of described LED chip (30) crosses a described blind hole from composite bed (10) inside access positive electrode (121); The VDD pin of described drive IC (20) is drawn wire (31) and is crossed a described blind hole from composite bed (10) inside access positive electrode (121); The GND pin of described drive IC (20) is drawn wire (31) and is crossed a described blind hole from composite bed (10) inside access negative electrode (122); Connected by holding wire (22) between described drive IC (20).
2. LED luminescence component according to claim 1, is characterized in that, described composite bed (10) is transparent layer.
3. LED luminescence component according to claim 2, is characterized in that, the corresponding drive IC (20) of each described LED chip group, and described LED chip group and drive IC (20) branch are spaced.
4. LED luminescence component according to claim 2, is characterized in that, comprises multiple LED chip group in array distribution.
5. LED luminescence component according to claim 4, it is characterized in that, every 2 × 1,2 × 2 or 2 × 3 LED chip groups form one luminous group, the corresponding drive IC (20) of each luminous group, described drive IC (20) is arranged at the planar central of described luminescence group.
6. LED luminescence component according to claim 4, it is characterized in that, every 5 LED chip groups form one luminous group, the corresponding drive IC (20) of each luminous group, each luminous group is positioned at adjacent rows, a wherein behavior 2 LED chip groups, another behavior 3 LED chip groups, described drive IC (20) is arranged between described adjacent rows.
7. the LED luminescence component according to claim 1-6 any one, is characterized in that, described drive IC (20) is the naked wafer do not encapsulated.
8. the LED luminescence component according to claim 1-6 any one, is characterized in that, described wire (31) and holding wire (22) are the gold thread that binding mode is beaten.
9. the LED luminescence component according to claim 1-6 any one, is characterized in that, described composite bed (10) also comprises the electrode layer and the second insulating barrier (15) that are set in turn in described substrate (11) rear side;
Described electrode layer is provided with positive electrode (121) and negative electrode (122), and described substrate (11) offers the multiple blind holes arriving at described positive electrode (121) or negative electrode (122).
10. the LED luminescence component according to claim 1-6 any one, it is characterized in that, described composite bed (10) also comprises the first electrode layer, the first insulating barrier (13), the second electrode lay and the second insulating barrier (15) that are set in turn in described substrate (11) rear side; One in described first electrode layer and the second electrode lay is set to positive electrode (121), and another is set to negative electrode (122); Described blind hole comprise run through described substrate (11) arrive at positive electrode (121) the first blind hole, run through the second blind hole that described substrate (11) arrives at negative electrode (122); Positive pole extraction wire (31) of described LED chip (30) is crossed described first blind hole and is connected with described positive electrode (121); VDD pin extraction wire (31) of described drive IC (20) is crossed described first blind hole and is connected with described positive electrode (121), and GND pin extraction wire (31) of described drive IC (20) is crossed described second blind hole and is connected with described negative electrode (122).
11. LED luminescence components according to claim 1-6 any one, it is characterized in that, described composite bed (10) also comprises the first electrode layer, the first insulating barrier (13), the second electrode lay and the second insulating barrier (15) that are set in turn in described substrate (11) rear side; One in described first electrode layer and the second electrode lay is set to positive electrode (121), and another is set to negative electrode (122); Described blind hole comprise run through described substrate (11) arrive at positive electrode (121) the first blind hole, run through the second blind hole that described substrate (11) arrives at negative electrode (122); Positive pole extraction wire (31) of described LED chip (30) is crossed described first blind hole and is connected with described positive electrode (121); VDD pin extraction wire (31) of described drive IC (20) is crossed described first blind hole and is connected with described positive electrode (121), and GND pin extraction wire (31) of described drive IC (20) is crossed described second blind hole and is connected with described negative electrode (122); Also comprise the 3rd insulating barrier (14) and realized the signal line layer (16) that insulate by described 3rd insulating barrier (14) and described first electrode layer or the second electrode lay; Described blind hole comprises and runs through the 3rd blind hole that described substrate (11) arrives at described signal line layer (16); Described holding wire (22) is for being arranged at the signal graph layer of described signal line layer (16), and the signal pins (21) extraction wire (31) of described drive IC (20) is crossed described 3rd blind hole and is connected to described signal graph layer.
12. LED luminescence components according to claim 11, is characterized in that, described composite bed (10) comprises at least 2 layers of described signal line layer (16) and at least 2 layers of described 3rd insulating barrier (14).
13. LED luminescence components according to claim 11, it is characterized in that, described blind via bottom is provided with pad (40), and described wire (31) is electrically connected by described pad (40) and described composite bed (10).
14. LED luminescence components according to claim 13, is characterized in that, a described LED chip group comprises R-LED chip, G-LED chip and B-LED chip.
15. LED luminescence components according to claim 14, is characterized in that, described R-LED chip is installed on the first pad corresponding to described first blind hole by silver slurry die bond; Described G-LED chip and B-LED chip are installed on the first pad corresponding to described first blind hole by insulative glue die bond.
16. LED luminescence components according to claim 1, it is characterized in that, described LED chip (30) and drive IC (20) are by COB or COG process Installation on described substrate (11), and the front side of described substrate (11) is coated with transparent sealing.
17.LED luminescent panel, is characterized in that, comprises at least two LED luminescence components as described in claim 1-16 any one.
18.LED display screen, is characterized in that, comprises LED luminescent panel as claimed in claim 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494587.6U CN204857715U (en) | 2015-07-09 | 2015-07-09 | LED light -emitting component , LED luminescent panel and LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494587.6U CN204857715U (en) | 2015-07-09 | 2015-07-09 | LED light -emitting component , LED luminescent panel and LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857715U true CN204857715U (en) | 2015-12-09 |
Family
ID=54748241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520494587.6U Withdrawn - After Issue CN204857715U (en) | 2015-07-09 | 2015-07-09 | LED light -emitting component , LED luminescent panel and LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857715U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979326A (en) * | 2015-07-09 | 2015-10-14 | 林谊 | LED lighting assembly, LED lighting panel and LED display screen |
| US10515581B2 (en) | 2015-08-06 | 2019-12-24 | Shuling Li | LED pixel, LED component, LED panel and LED display screen |
| WO2023124093A1 (en) * | 2021-12-28 | 2023-07-06 | 佛山市国星光电股份有限公司 | Led backlight source and manufacturing method therefor |
-
2015
- 2015-07-09 CN CN201520494587.6U patent/CN204857715U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979326A (en) * | 2015-07-09 | 2015-10-14 | 林谊 | LED lighting assembly, LED lighting panel and LED display screen |
| WO2017005225A3 (en) * | 2015-07-09 | 2017-02-02 | 林谊 | Led light-emitting assembly, led light-emitting panel, and led display screen |
| CN104979326B (en) * | 2015-07-09 | 2017-12-05 | 深圳市晶泓科技有限公司 | LED luminescence components, LED luminescent panels and LED display |
| US10388638B2 (en) | 2015-07-09 | 2019-08-20 | Shuling Li | LED light-emitting assembly, LED light-emitting panel, and LED display screen |
| US10515581B2 (en) | 2015-08-06 | 2019-12-24 | Shuling Li | LED pixel, LED component, LED panel and LED display screen |
| WO2023124093A1 (en) * | 2021-12-28 | 2023-07-06 | 佛山市国星光电股份有限公司 | Led backlight source and manufacturing method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104979326B (en) | LED luminescence components, LED luminescent panels and LED display | |
| KR102104126B1 (en) | LED pixel point, light emitting member, light emitting panel and display screen | |
| CN205016161U (en) | LED pixel, light -emitting component , luminescent panel and display screen | |
| KR20080029720A (en) | Plane structure of light-emitting diode lighting apparatus | |
| CN113327516B (en) | Display panel and display device | |
| CN204857715U (en) | LED light -emitting component , LED luminescent panel and LED display screen | |
| CN108957852A (en) | Display module and display device | |
| KR20130055203A (en) | Liquid crystal display device and method of manufacturing the same | |
| CN103165028A (en) | Embedded light emitting diode (LED) display screen and manufacture process thereof | |
| CN208622352U (en) | A kind of LED display unit group and display panel | |
| CN111857448B (en) | Display module, preparation method thereof and display device | |
| KR20200137545A (en) | Lighting emitting device pannel | |
| TWM619393U (en) | Flexible transparent display screen and flexible circuit board thereof | |
| CN202352253U (en) | LED display screen with crimp and fixed light-emitting elements | |
| CN207852220U (en) | A kind of LED transparent display screens structure | |
| CN106610008A (en) | Light-emitting building material | |
| TWI822335B (en) | Flexible transparent display and flexible circuit board thereof | |
| TWI832429B (en) | Flexible transparent display and flexible circuit board thereof | |
| CN109686259A (en) | Display panel and display device | |
| TWI789756B (en) | Flexible transparent display and flexible circuit board thereof | |
| CN103165026A (en) | Light-emitting diode (LED) display screen light-emitting element compression joint fixing technique | |
| CN104091528A (en) | Novel LED (Light Emitting Diode) outdoor advertising screen | |
| CN216052516U (en) | Double-sided display panel and display device | |
| TW202318660A (en) | Flexible transparent display and flexible circuit board thereof | |
| CN202332127U (en) | Sandwich-type LED display screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20171205 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20171205 |