CN115731817A - Irregular-shaped LED transparent display screen - Google Patents
Irregular-shaped LED transparent display screen Download PDFInfo
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- CN115731817A CN115731817A CN202211459867.4A CN202211459867A CN115731817A CN 115731817 A CN115731817 A CN 115731817A CN 202211459867 A CN202211459867 A CN 202211459867A CN 115731817 A CN115731817 A CN 115731817A
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- led lamp
- transparent substrate
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Abstract
The invention discloses an irregular-shaped LED transparent display screen which comprises LED lamp beads, a transparent substrate and pin bonding pads, wherein the LED lamp beads are arranged on the transparent substrate; the transparent substrate is provided with a conductive through hole, and the LED lamp bead is arranged on the transparent substrate; the number of the LED lamp beads on each row of the transparent substrate in the X direction is not equal, the number of the LED lamp beads on each row is smaller than that of rows in the Y direction, the number of the LED lamp beads on each row of the transparent substrate in the Y direction is not equal, and the number of the LED lamp beads on each row is smaller than that of rows in the X direction; selecting a direction in which the length of the row line is greater than the length of the row line on the transparent substrate, or selecting a direction corresponding to the length of the row line as the outlet direction of the FPC; the pin bonding pad is used for connecting the LED lamp bead and the transparent base material; the front side of the transparent substrate is provided with a front C lead of each LED lamp bead pin pad in the X direction in series connection, and the back side of the transparent substrate is provided with an R lead, a G lead and a B lead of each LED lamp bead corresponding to the pin pad in the Y direction in series connection.
Description
Technical Field
The invention relates to an irregular-shaped LED transparent display screen, and belongs to the technical field of display screens.
Background
Common electronic display screens on the market at present include LCD liquid crystal displays, OLED displays, and LED displays.
The common LED display screen is transparent or non-transparent, the common LED display screen is regular rectangular in general shape, the overall structure is complex, the combination mode of the common LED display screen and glass is not friendly, and the common LED display screen cannot be arranged in the glass to form vehicle-mounted display glass.
Disclosure of Invention
The invention aims to provide an irregular-shaped LED transparent display screen, which aims to overcome the defects that the conventional LED display screen is regular in shape, complex in integral structure, cannot be combined with glass, and cannot be built in the glass to form vehicle-mounted display glass.
An irregular-shaped LED transparent display screen comprises LED lamp beads, a transparent substrate and pin pads;
the transparent substrate is provided with a conductive through hole, and the LED lamp bead is arranged on the transparent substrate;
the number of the LED lamp beads on each row of the transparent substrate in the X direction is unequal, the number of the LED lamp beads on each row is less than the number of rows in the Y direction, the number of the LED lamp beads on each row of the transparent substrate in the Y direction is unequal, and the number of the LED lamp beads on each row is less than the number of rows in the X direction;
selecting a direction in which the length of the row line is greater than the length of the row line on the transparent substrate, or selecting a direction corresponding to the length of the row line as the outlet direction of the FPC;
the pin bonding pad is used for connecting the LED lamp bead and the transparent substrate;
the front side of the transparent substrate is provided with a front C lead of each LED lamp bead pin pad in the X direction in series connection, and the back side of the transparent substrate is provided with an R lead, a G lead and a B lead of each LED lamp bead corresponding to the pin pad in the Y direction in series connection.
Furthermore, the pin bonding pads comprise an R pin bonding pad, a G pin bonding pad, a B pin bonding pad and a C pin bonding pad;
the front C lead is used for connecting the C pin bonding pads of the LED lamp beads in the X direction in series, the R lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the R pin bonding pads in series, the G lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the G pin bonding pads in series, the B lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the B pin bonding pads in series, and the reverse side of the transparent substrate is also provided with a reverse side C lead for leading out the through holes corresponding to the LED lamp beads and electrically connected with the C pin bonding pads in the Y direction.
Furthermore, the same LED lamp bead forms an angle of 45 degrees with the X direction and the Y direction.
Further, the transparent substrate is any one of transparent PET, transparent PI, transparent PEN, transparent PC and transparent PMMA.
Further, the row lines and the column lines are arranged inside the transparent substrate.
Furthermore, the row lines penetrate through the other surface of the transparent base material through the through holes and are connected with the FPC in a parallel pull-down mode.
Further, the row lines are arranged in gaps between the column lines.
Further, at least one row line is arranged in the gap between the column lines.
Further, the size of the LED lamp bead is 0808 specification or below.
Further, the front surface and the back surface of the transparent substrate are both provided with conducting layers.
Compared with the prior art, the invention has the following beneficial effects: the transparent substrate adopts the transparent double-sided board, LED lamp beads are randomly distributed on the transparent substrate, and the border-free irregular-shaped transparent LED display can be realized by matching with the unique wiring mode of the LED lamp beads, and the border-free irregular-shaped transparent LED display can be arranged in glass and combined with the glass;
the invention is based on the application of the transparent film, so that the combination mode of the transparent substrate and the glass is friendly, the transparent substrate can be laminated with the glass through a PVB laminating process, and can also be directly adhered to the glass, thereby improving the application scene.
Drawings
FIG. 1 is a schematic view of the overall structure of a display panel according to the present invention;
FIG. 2 is a partially enlarged schematic view of the display screen of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of a transparent substrate of the present invention;
FIG. 4 is a schematic diagram of the relative positions of the vias and pin pads of the present invention;
FIG. 5 is a schematic diagram of FPC trace according to the present invention;
FIG. 6 is a schematic front view of the present invention;
FIG. 7 is a schematic illustration of the reverse circuit of the present invention;
in the figure: 1. LED lamp beads; 20. a transparent substrate; 21. a conductive layer; 31. An R pin pad; 32. g, a pin bonding pad; 33. b, a pin bonding pad; 34. a C pin pad; 35. a through hole; 36. a conjoined bonding pad; 37. an independent pad; 41. an R lead; 42. g lead; 43. b, leading; 44. and C, a lead.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the invention provides an irregular-shaped LED transparent display screen, which comprises LED lamp beads 1, a transparent substrate 20 and pin pads;
the transparent substrate 20 is provided with a conductive through hole 35, the wall of the through hole is provided with conductive metal, the LED lamp beads 1 are arranged on the transparent substrate 20, and the arrangement of the LED lamp beads 1 on the transparent substrate 20 is irregular; the same LED lamp bead forms an angle of 45 degrees with the X direction and the Y direction, so that the R, G and B leads are not overlapped with each other, and the phenomenon that a large wiring area is occupied to avoid lead overlapping does not occur;
as shown in fig. 1, the number of LED beads in each row of the transparent substrate 20 in the X direction is not equal, the number of LED beads in each row is less than the number of rows in the Y direction, the number of LED beads in each row of the transparent substrate in the Y direction is not equal, and the number of LED beads in each row is less than the number of columns in the X direction;
further explanation is provided for the arrangement rule of the LED lamp beads 1, and if the X direction has at most N rows of LED lamp beads 1 and the Y direction has at most M rows of LED lamp beads 1, the irregular screen has the following characteristics: the quantity of the LED lamp beads in each row is less than or equal to N, and the quantity of the LED lamp beads in each column is 1, so that the quantity is less than or equal to M;
as shown in fig. 5, based on the irregular LED display screen, the outgoing lines related to the FPC are specifically: the direction of the length of the row line is greater than the length of the row line or the direction corresponding to the length of the row line is selected as the wire outlet direction of the FPC on the transparent base material 20, and it is further described herein that the condition N is satisfied when the FPC is out from the A direction, if the FPC is out from the A direction, the number of rows is greater than the number of rows because the X size is much greater than Y, and the row lines may not all go out, so the direction is changed to the b direction or the c direction as the wire outlet end of the FPC.
As shown in fig. 4, 6 and 7, the pin pad is used for connecting the LED lamp bead 1 and the transparent substrate 20; the front surface of the transparent substrate 20 is provided with a front C lead 44 connected with pin pads of the LED lamp beads 1 in the X direction in series, and the back surface of the transparent substrate 20 is provided with an R lead 41, a G lead 42 and a B lead 43 connected with the pin pads corresponding to the LED lamp beads 1 in the Y direction in series;
as shown in fig. 6, the pin pads include an R pin pad 31, a G pin pad 32, a B pin pad 33, and a C pin pad 34; the C lead wire 44 is a front C lead wire and a back C lead wire; every LED lamp pearl 1 needs three drilling, openly switches on the reverse side to R, G, B pin pad from transparent substrate respectively, still needs an extra through-hole in addition, with openly C lead wire and reverse side C lead wire switch on, the drilling position is in disjunctor pad 36 or independent pad 37, specifically with LED lamp pearl 1 four pin connection as follows:
the front C lead 44 is used for serially connecting the C pin pads 34 of the LED lamp beads 1 in the X direction, the R lead 41 is used for serially connecting the through holes which are electrically connected with the R pin pads 31 and correspond to the LED lamp beads 1 in the Y direction, the G lead 42 is used for serially connecting the through holes 35 which are electrically connected with the G pin pads 32 and correspond to the LED lamp beads 1 in the Y direction, the B lead 43 is used for serially connecting the through holes 35 which are electrically connected with the B pin pads 33 and correspond to the LED lamp beads 1 in the Y direction, and the back C lead 44 is further arranged on the back side of the transparent substrate 20 and used for leading out the through holes 35 which are electrically connected with the C pin pads 34 and correspond to the LED lamp beads 1 in the Y direction.
As shown in fig. 4, R, G, B and B leads 41, 42, 43 in all column lines are parallel and pulled down to the FPC, specifically referring to fig. 7, each LED lamp bead 1 passing through has three leads, which are referred to as R, G, B, and R leads 41, G, and B leads 42, 43, where R leads 41 are responsible for connecting the R pins of an entire column of LED lamp beads 1 in the Y direction in series, G leads 42 are responsible for connecting the G pins of an entire column of LED lamp beads 1 in the Y direction in series, and B leads 43 are responsible for connecting the B pins of an entire column of LED lamp beads 1 in the Y direction in series; the front and back surfaces of the transparent substrate 20 are provided with conductive layers, and the conductive layers 21 are connected, so that the R pin pad 31, the G pin pad 32 and the B pin pad 33 on the front surface can be connected in series by the lead on the back surface of the transparent substrate 20. In addition, a back side C lead is required to be added on the back side for leading out the front side C lead along the Y direction.
As shown in fig. 4, the row lines and the column lines are all arranged inside the transparent substrate 20, the row lines (common cathode or common anode lines) need to pass through the through holes to the other side to be parallel to the column lines, and then are pulled down to the FPC, and are connected with the FPC or the FPC in other ways to form a driving circuit, the row lines are arranged in the gaps between the column lines, at least one row line runs in the gaps between the column lines, and if the column pitch is large enough, 2 row lines or 3 row lines can also be run. In fig. 7, R, G, B, and C respectively indicate positions of the R pin pad 31, the G pin pad 32, the B pin pad 33, and the C pin pad 34 on the front surface of the transparent base material 20, and C1 indicates a position where a lead and a through hole are connected to the front surface C.
In this embodiment, the transparent substrate 20 may be a substrate commonly used in the art and easily available, including but not limited to transparent PET, PI, PEN, PC, PMMA, ultra thin glass, etc.
In this embodiment, the LED lamp bead is of a size of 0808 or less, that is, the length and width are of 0.8 × 0.8 or less, and is a package including RGB and a common anode or a common cathode, and such an LED has 4 pins, which are R, G, B, and C (cathode or anode), respectively; the LED lamp beads are arranged on the substrate in a 45-degree rotating manner.
The transparent substrate adopts the transparent double-sided board, LED lamp beads are randomly distributed on the transparent substrate, and the border-free irregular-shaped transparent LED display can be realized by matching with the unique wiring mode of the LED lamp beads, and the border-free irregular-shaped transparent LED display can be arranged in glass and combined with the glass;
the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (10)
1. An irregular-shaped LED transparent display screen is characterized by comprising LED lamp beads, a transparent substrate and pin pads;
the transparent substrate is provided with a conductive through hole, and the LED lamp bead is arranged on the transparent substrate;
the number of the LED lamp beads on each row of the transparent substrate in the X direction is not equal, the number of the LED lamp beads on each row is smaller than that of rows in the Y direction, the number of the LED lamp beads on each row of the transparent substrate in the Y direction is not equal, and the number of the LED lamp beads on each row is smaller than that of rows in the X direction;
selecting the direction in which the length of the row line is greater than the length of the row line on the transparent base material, or the direction corresponding to the length of the row line as the wire outlet direction of the FPC;
the pin bonding pad is used for connecting the LED lamp bead and the transparent substrate;
the front side of the transparent substrate is provided with a front C lead of each LED lamp bead pin pad in the X direction in series connection, and the back side of the transparent substrate is provided with an R lead, a G lead and a B lead of each LED lamp bead corresponding to the pin pad in the Y direction in series connection.
2. The irregular-shaped LED transparent display screen according to claim 1, wherein the pin pads comprise R pin pads, G pin pads, B pin pads and C pin pads;
the front C lead is used for connecting the C pin bonding pads of the LED lamp beads in the X direction in series, the R lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the R pin bonding pads in series, the G lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the G pin bonding pads in series, the B lead is used for connecting the through holes corresponding to the LED lamp beads in the Y direction and electrically connected with the B pin bonding pads in series, and the reverse side of the transparent substrate is also provided with a reverse side C lead for leading out the through holes corresponding to the LED lamp beads and electrically connected with the C pin bonding pads in the Y direction.
3. The irregularly shaped LED transparent display of claim 1 in which the same LED bead is at an angle of 45 ° to both the X and Y directions.
4. The irregularly shaped LED transparent display screen of claim 1, wherein the transparent substrate is any one of transparent PET, transparent PI, transparent PEN, transparent PC, transparent PMMA.
5. The irregular shaped LED transparent display screen of claim 1, wherein the row and column lines are all routed within a transparent substrate.
6. The irregular-shaped LED transparent display screen as claimed in claim 1, wherein the row lines are connected with the FPC by being pulled down through the other side of the transparent substrate in parallel with the column lines through the through holes.
7. The irregular shape LED transparent display screen of claim 1, wherein the row lines are arranged in the gaps between the column lines.
8. The irregular shape LED transparent display screen of claim 7, wherein at least one row line is run in the gaps between the column lines.
9. The irregularly-shaped LED transparent display screen of claim 1, wherein the LED lamp bead size is 0808 specification or below.
10. The irregularly shaped LED transparent display screen of claim 1, wherein the transparent substrate is provided with conductive layers on both the front and back sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211459867.4A CN115731817A (en) | 2022-11-17 | 2022-11-17 | Irregular-shaped LED transparent display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211459867.4A CN115731817A (en) | 2022-11-17 | 2022-11-17 | Irregular-shaped LED transparent display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115731817A true CN115731817A (en) | 2023-03-03 |
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ID=85297088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211459867.4A Pending CN115731817A (en) | 2022-11-17 | 2022-11-17 | Irregular-shaped LED transparent display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115731817A (en) |
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2022
- 2022-11-17 CN CN202211459867.4A patent/CN115731817A/en active Pending
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