CN218384420U - Full-color dot matrix digital display screen - Google Patents
Full-color dot matrix digital display screen Download PDFInfo
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- CN218384420U CN218384420U CN202222401249.6U CN202222401249U CN218384420U CN 218384420 U CN218384420 U CN 218384420U CN 202222401249 U CN202222401249 U CN 202222401249U CN 218384420 U CN218384420 U CN 218384420U
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Abstract
The utility model discloses a full-color dot matrix digital display screen, which comprises a digital display screen circuit board and LED lamp beads arranged on the circuit board, wherein the LED lamp beads are full-color LED lamp beads; full-color dot matrix digital display still including locating full-color drive circuit on the digital display screen circuit board, full-color drive circuit include full-color driver chip and with the peripheral circuit that full-color driver chip matches, digital display screen circuit board is including setting gradually from top to bottom: the first signal layer is printed with wiring of the LED lamp beads; a ground layer printed with ground wiring; a second signal layer printed with wiring of the full-color drive chip; a third signal layer printed with wiring of a peripheral circuit of the full-color drive chip; a power layer printed with power wiring; and a fourth signal layer printed with the full-color drive chip and the wiring terminal wiring of the peripheral circuit. The utility model discloses not only can send full-color light, the size is little moreover.
Description
Technical Field
The utility model relates to a digital display screen, more exactly a full-color dot matrix digital display screen.
Background
The digital display screen is provided with the LED lamp beads on the circuit board to drive the LED lamp beads to emit light, and the display of numbers, icons or specific figures is realized by matching with corresponding hollow holes and display diaphragms on the display screen support. Compared with the liquid crystal display screen, the digital display screen has lower price and can be well adapted to various severe working environments, so that the digital display screen is still widely applied to the fields of toys, household appliances and the like even at present when the liquid crystal display screen technology is very mature. However, the existing digital display screen has a monotonous light emitting color, and the circuit board provided with the LED lamp beads of the existing digital display screen is usually only used for installing the LED lamp beads and some simple resistors and capacitors, and the driving of the LED lamp beads is realized by the control circuits on other circuit boards, so that the digital display screen has a not compact structure and a large size.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art digital display screen and have luminous colour list and the great technical problem of size, provide a full-color dot matrix digital display screen.
In order to solve the technical problems, the technical scheme adopted by the utility model is to design a full-color dot matrix digital display screen, which comprises a digital display screen circuit board and LED lamp beads arranged on the circuit board, wherein the LED lamp beads are full-color LED lamp beads; full-color dot matrix digital display still including locating on the digital display circuit board and with LED lamp pearl electric connection's full-color drive circuit, full-color drive circuit include full-color driver chip and with the peripheral circuit that full-color driver chip matches, digital display circuit board is including from top to bottom setting gradually:
the first signal layer is printed with wiring of the LED lamp beads;
a ground layer printed with ground wiring;
a second signal layer printed with a wiring of the full-color drive chip;
a third signal layer printed with a wiring of a peripheral circuit of the full-color drive chip;
a power layer printed with power wiring;
and a fourth signal layer printed with the full-color driving chip and the wiring terminal wiring of the peripheral circuit.
The digital display screen circuit board further comprises an insulating material layer and a core board layer, wherein the insulating material layer is arranged between the first signal layer and the grounding layer, between the second signal layer and the third signal layer and between the power supply layer and the fourth signal layer; the core board layer is arranged between the ground layer and the second signal layer and between the third signal layer and the power supply layer.
The digital display screen circuit board further comprises an upper solder mask layer arranged above the first signal layer and a lower solder mask layer arranged below the fourth signal layer.
The digital display screen circuit board further comprises an upper icon layer arranged above the upper solder mask layer and a lower icon layer arranged below the lower solder mask layer.
The model of the full-color driving chip IS31FL3733.
And the digital display screen circuit board is also provided with a plug-in interface connected with an external microcontroller.
Go up solder mask, lower solder mask's thickness is 0.01 millimeter, the thickness of first signal layer, ground plane, second signal layer, third signal layer, power supply layer and fourth signal layer is 0.04 millimeter, the thickness of insulating material layer is 0.21 millimeter, the thickness of core plate layer is 0.36 millimeter.
The LED lamp bead is arranged on the upper surface of the digital display screen circuit board, the full-color driving chip and the peripheral circuit are arranged on the lower surface of the digital display screen circuit board.
The utility model discloses a set LED lamp pearl to full-color LED lamp pearl, and improve digital display screen circuit board, set digital display screen circuit board to including the first signal layer that from top to bottom sets gradually, the ground plane, the second signal layer, the third signal layer, power supply layer and fourth signal layer, thereby set up full-color driver chip and the whole integration of peripheral circuit on digital display screen circuit board, thereby digital display screen's size has been reduced, and through full-color driver chip drive full-color LED lamp pearl, full-color LED lamp pearl can send the light of the colour of needs as required.
Drawings
The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:
fig. 1 is a cross-sectional view of a digital display screen circuit board of the full-color dot matrix digital display screen of the present invention;
FIG. 2 is a circuit diagram of a full-color driving circuit of a full-color dot matrix digital display;
fig. 3 is a front layout view of the digital display screen circuit board of the full-color dot matrix digital display screen of the present invention;
fig. 4 is a back layout diagram of the digital display screen circuit board of the full-color dot matrix digital display screen of the present invention;
fig. 5 is a wiring diagram of the first signal layer of the digital display circuit board of the present invention;
fig. 6 is a wiring diagram of the ground plane of the circuit board of the digital display screen of the present invention;
fig. 7 is a wiring diagram of a second signal layer of the digital display circuit board of the present invention;
fig. 8 is a wiring diagram of a third signal layer of the circuit board of the digital display screen of the present invention;
fig. 9 is a wiring diagram of the power layer of the digital display circuit board of the present invention;
fig. 10 is a wiring diagram of a fourth signal layer of the digital display circuit board of the present invention.
Detailed Description
The following further explains the specific embodiments of the present invention with reference to the drawings:
please refer to fig. 1 to 10 together. The utility model discloses full-color dot matrix digital display includes digital display screen circuit board 1, sets up LED lamp pearl 2 on the circuit board and locates on the digital display screen circuit board and with LED lamp pearl electric connection's full-color drive circuit. Wherein:
The full-color drive circuit comprises a full-color drive chip U1 and a peripheral circuit matched with the full-color drive chip. In this embodiment, the full-color driving chip U1 has model IS31FL3733, and the peripheral circuit includes resistors R1-R6 and capacitors C1-C9.
Through full-color drive chip U1's control, the utility model discloses full-color dot matrix digital display screen possess 256 kinds of brightness control's grey scale.
In order to facilitate the connection of the digital display screen circuit board with an external microcontroller, the digital display screen circuit board is also provided with a plug-in port P1 connected with the external microcontroller.
For reducing the size of the digital display screen circuit board when realizing the function of the digital display screen, the LED lamp beads are arranged on the upper surface of the digital display screen circuit board, the full-color driving chip reaches the peripheral circuit is arranged on the lower surface of the digital display screen circuit board.
In order to realize the integration of the full-color driving chip and the peripheral circuits thereof on the digital display screen circuit board, the digital display screen circuit board 1 comprises a first signal layer 11, a ground layer 12, a second signal layer 13, a third signal layer 14, a power supply layer 15 and a fourth signal layer 16 which are sequentially arranged from top to bottom. Wherein: the first signal layer 11 is printed with the wiring of the LED lamp beads, so that the LED lamp beads are conveniently welded on the upper surface of the digital display screen circuit board. The ground layer 12 is printed with ground wiring. The second signal layer 13 is printed with the wiring of the full-color drive chip. The third signal layer 14 is printed with wiring of peripheral circuits of the full-color drive chip. The power layer 15 is printed with power wirings. The fourth signal layer 16 is printed with the full-color driving chip and the wiring terminal wiring of the peripheral circuit, so that the full-color driving chip and the peripheral circuit are conveniently welded on the lower surface of the circuit board of the digital display screen. The wirings of the first signal layer 11, the ground layer 12, the second signal layer 13, the third signal layer 14, the power supply layer 15, and the fourth signal layer 16 of the present embodiment are shown in fig. 5, 6, 7, 8, 9, and 10, respectively.
In order to facilitate insulation between the layers, the digital display screen circuit board further comprises an insulating material layer 17 and a core board layer 18, wherein the insulating material layer is arranged between the first signal layer and the ground layer, between the second signal layer and the third signal layer, and between the power supply layer and the fourth signal layer; the core board layer is arranged between the ground layer and the second signal layer and between the third signal layer and the power supply layer.
The insulating-material layer 17 mainly serves as an adhesive material and an insulating material. The core layer 18 has a certain hardness.
In order to prevent the digital display screen circuit board from being coated with tin at places where tin should not be coated when the digital display screen circuit board passes through wave soldering, the digital display screen circuit board further comprises an upper solder mask layer 191 arranged above the first signal layer and a lower solder mask layer 192 arranged below the fourth signal layer.
For the name of components and parts on the digital display screen circuit board of sign convenient to be so that discernment, digital display screen circuit board is still including locating go up the last icon layer 193 of solder mask top and locating lower icon layer 194 of solder mask below down.
In this specific embodiment, the thickness of the digital display screen circuit board is 1.58 millimeters, wherein the thicknesses of the upper solder mask layer and the lower solder mask layer are both 0.01 millimeter, the thicknesses of the first signal layer, the ground layer, the second signal layer, the third signal layer, the power supply layer and the fourth signal layer are all 0.04 millimeter, the thickness of the insulating material layer is 0.21 millimeter, and the thickness of the core board layer is 0.36 millimeter.
The utility model discloses a set LED lamp pearl to full-color LED lamp pearl, and improve digital display screen circuit board, set digital display screen circuit board to including the first signal layer that from top to bottom sets gradually, the ground plane, the second signal layer, the third signal layer, power supply layer and fourth signal layer, thereby set up full-color driver chip and the whole integration of peripheral circuit on digital display screen circuit board, thereby digital display screen's size has been reduced, and through full-color driver chip drive full-color LED lamp pearl, full-color LED lamp pearl can send the light of the colour of needs as required.
The utility model discloses full-color dot matrix digital display screen passes through the design and the integrated full-color driver chip of digital display screen circuit board, and the 1010RGB lamp pearl that uses is used on digital display screen for the first time, possess 256 kinds of brightness control's grey scale, and the size is little, and occupation space is little, can be used to develop children's brain educational type toy able to programme etc..
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a full-color dot matrix digital display screen, includes digital display screen circuit board and sets up the LED lamp pearl on the circuit board, its characterized in that: the LED lamp beads are full-color LED lamp beads; full-color dot matrix digital display still including locating on the digital display circuit board and with LED lamp pearl electric connection's full-color drive circuit, full-color drive circuit include full-color driver chip and with the peripheral circuit that full-color driver chip matches, digital display circuit board is including from top to bottom setting gradually:
the first signal layer is printed with wiring of the LED lamp beads;
a ground layer printed with ground wiring;
a second signal layer printed with wiring of the full-color drive chip;
a third signal layer printed with a wiring of a peripheral circuit of the full-color drive chip;
a power layer printed with power wiring;
and a fourth signal layer printed with the full-color drive chip and the wiring terminal wiring of the peripheral circuit.
2. The full-color dot matrix digital display screen according to claim 1, characterized in that: the digital display screen circuit board further comprises an insulating material layer and a core board layer, wherein the insulating material layer is arranged between the first signal layer and the grounding layer, between the second signal layer and the third signal layer and between the power supply layer and the fourth signal layer; the core board layer is arranged between the ground layer and the second signal layer and between the third signal layer and the power supply layer.
3. The full-color dot matrix digital display screen according to claim 2, characterized in that: the digital display screen circuit board further comprises an upper solder mask layer arranged above the first signal layer and a lower solder mask layer arranged below the fourth signal layer.
4. The full-color dot matrix digital display screen according to claim 3, characterized in that: the digital display screen circuit board further comprises an upper icon layer arranged above the upper solder mask layer and a lower icon layer arranged below the lower solder mask layer.
5. The full-color dot matrix digital display screen according to claim 4, characterized in that: the model of the full-color driving chip IS31FL3733.
6. The full-color dot matrix digital display screen according to claim 5, characterized in that: and the digital display screen circuit board is also provided with a plug-in interface connected with an external microcontroller.
7. The full-color dot matrix digital display screen according to claim 6, characterized in that: go up solder mask, solder mask's thickness down and be 0.01 millimeter, the thickness of first signal layer, ground plane, second signal layer, third signal layer, power supply unit and fourth signal layer is 0.04 millimeter, the thickness on insulating material layer is 0.21 millimeter, the thickness on core plate layer is 0.36 millimeter.
8. The full-color dot matrix digital display screen according to claim 1, characterized in that: the LED lamp bead is arranged on the upper surface of the digital display screen circuit board, the full-color drive chip reaches the peripheral circuit is arranged on the lower surface of the digital display screen circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401249.6U CN218384420U (en) | 2022-09-09 | 2022-09-09 | Full-color dot matrix digital display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401249.6U CN218384420U (en) | 2022-09-09 | 2022-09-09 | Full-color dot matrix digital display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218384420U true CN218384420U (en) | 2023-01-24 |
Family
ID=84972887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222401249.6U Active CN218384420U (en) | 2022-09-09 | 2022-09-09 | Full-color dot matrix digital display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218384420U (en) |
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2022
- 2022-09-09 CN CN202222401249.6U patent/CN218384420U/en active Active
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