CN210606407U - LED display device and LED display screen formed by same - Google Patents
LED display device and LED display screen formed by same Download PDFInfo
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- CN210606407U CN210606407U CN201921260410.4U CN201921260410U CN210606407U CN 210606407 U CN210606407 U CN 210606407U CN 201921260410 U CN201921260410 U CN 201921260410U CN 210606407 U CN210606407 U CN 210606407U
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Abstract
The utility model discloses a LED display device, include: the LED lamp comprises a substrate, an LED light-emitting component, an LED driving component, a circular magnet column and a connector assembly mechanism; the LED light-emitting component is assembled on the front face of the substrate, the LED driving component is assembled on the back face of the substrate, the circuit layer and the bonding pads are arranged on the substrate and electrically connected with the LED light-emitting component and the LED driving component, the circuit layer comprises leads, and the bonding pads comprise a plurality of first common bonding pads, a plurality of second common bonding pads and a plurality of secondary bonding pads. The utility model provides a LED display device and LED display screen that constitutes thereof need not to carry out extra concatenation, and single unit list case can realize the broadcast of 2K high definition video and show; the connection mode is simple and convenient, and is tidy and ordered; based on the technical characteristics that the power supply driving IC supplies power in a shunt way, the voltage drop required by the LED chip can be ensured, the vds value of the constant current chip can be met, the chip can work in a constant current area, no redundant voltage is consumed through the IC, and the heat of the IC is reduced while the power consumption of the LED display screen is reduced.
Description
Technical Field
The utility model relates to a LED display screen makes application technique, specifically relates to a LED display device and LED display screen that constitutes thereof.
Background
In recent years, the small-pitch LED display screens have been developed with ever-decreasing pitches, and mainly include LED display screen products such as P2.9, P2.6, P2.5, P1.9, P1.8, P1.67, P1.5P1.4, and P1.25. With the improvement of display screen technology, the resolution of a single box is greatly improved, but in order to achieve high definition (1920 × 1080 resolution) or ultra high definition (3840 × 2160 resolution), N × N boxes are required to be spliced in order to ensure the flatness. The box that splices each other is carried out the line for the box of splicing after the box concatenation is accomplished, sees mixed and disorderly wire rod from the rear side of display screen, and is very pleasing to the eye.
Due to the limitation of the LED packaging volume and the production process, the P0.X-space LED display screen is not produced in large scale all the time. The smaller the pitch, the larger the number of LED per unit area, and the larger the number of driver ICs, and in the conventional driving method, about 30% of the extra power consumption is absorbed by the constant current driving, in addition to the power consumption for supplying the LEDs.
Therefore, how to design a low-power-consumption LED display device, the P0.X-distance LED display screen can be produced in large batch, splicing is not needed, and a single display screen can play 2K high-definition videos or even 4K ultrahigh-definition videos in a single box is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a LED display device of low-power consumption, need not the concatenation, single unit case can play the video P0.X display screen of 2K high definition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an LED display device comprising:
the LED lamp comprises a substrate, an LED light-emitting component, an LED driving component, a circular magnet column and a connector assembly mechanism;
the LED light-emitting component is assembled on the front surface of the substrate, the LED driving component is assembled on the back surface of the substrate, a circuit layer and a bonding pad are arranged on the substrate and electrically connected with the LED light-emitting component and the LED driving component, the circuit layer comprises a lead, and the bonding pad comprises a plurality of first common bonding pads, a plurality of second common bonding pads and a plurality of secondary bonding pads.
The further technical scheme is as follows: the LED light-emitting assembly comprises N groups of light-emitting units, and the N groups of light-emitting units are distributed at equal intervals in the longitudinal direction and the transverse direction according to the resolution of a single box;
any group of the light-emitting units comprises two groups of red LED chips which are arranged diagonally, and a group of green LED chips and a group of blue LED chips which are arranged diagonally.
The further technical scheme is as follows: the cathodes of the two groups of red LED chips are electrically connected with the first common electrode bonding pad of the substrate through leads; the cathodes of the group of green LED chips and the cathodes of the group of blue LED chips are electrically connected with the second common electrode bonding pad of the substrate through leads; the anode of the red LED chip, the anode of the green LED chip and the anode of the blue LED chip are electrically connected with corresponding secondary bonding pads on the substrate through leads respectively.
The further technical scheme is as follows: the LED driving part is fixed on the back surface of the substrate through a surface mounting process; the LED driving part comprises a plurality of LED driving units which are uniformly distributed;
any one of the LED driving units comprises a constant current driving IC and a power supply driving IC; the output end channel of the constant current drive IC is electrically connected with the anode of the corresponding light emitting unit group through the bonding pad and the circuit layer on the substrate; and the output end channel of the power supply drive IC is electrically connected with the corresponding cathode of the light emitting unit group through the first common electrode bonding pad, the second common electrode bonding pad and the circuit layer on the substrate.
The further technical scheme is as follows: the power supply driving IC comprises VCC R circuit power supply and VCC GB circuit power supply; the VCC R circuit is used for driving the two groups of red LED chips, and the VCC GB circuit is used for driving the one group of green LED chips and the one group of blue LED chips.
An LED display screen formed by an LED display device is based on the LED display device and further comprises a round magnet column, a connector assembly, an aluminum plate, a rear cover and an adapter plate, wherein the round magnet column is used for connecting the LED display device and the aluminum plate, and the connector assembly mechanism is fixed on a substrate through a surface mounting process;
the rear cover is fixed on the aluminum plate; the adapter plate passes through adapter plate fixed establishment install in aluminum plate, LED display device pass through connector mechanism with adapter plate electric connection, the adapter plate is used for realizing LED display device and peripheral equipment communication.
The further technical scheme is as follows: one end face of the circular magnet column is fixedly connected to the surface of the substrate through a surface mounting process or a soldering tin wire; the other end face of the circular magnet column is used for connecting the LED display device and the aluminum plate; circular magnet post includes first magnet and second magnet, aluminum plate go up open have with circular magnet post matched with inside groove is used for the holding second magnet, first magnet with second magnet corresponds magnetism and inhales in order to incite somebody to action module fixed connection in on the aluminum plate.
The further technical scheme is as follows: the connector mechanism comprises a metal PIN needle and a fool-proof plastic mechanism male piece.
The further technical scheme is as follows: the back cover is a raised metal part shaped like a Chinese character 'ji'.
The further technical scheme is as follows: and the size of the LED display device is designed according to the size of the aluminum plate in a partitioning mode.
Compared with the prior art beneficial effect:
the utility model provides a LED display device and LED display screen that constitutes thereof, need not to carry on the extra concatenation, the single unit single case can realize the broadcast display of 2K high definition video; the connection mode is simple and convenient, and is tidy and ordered; based on the technical characteristics that the power supply driving IC supplies power in a shunt way, the voltage drop required by the LED chip can be ensured, the vds value of the constant current chip can be met, the chip can work in a constant current area, no redundant voltage is consumed by the IC, and the heat of the IC is reduced while the power consumption of the LED display screen is reduced; the size of the LED display screen is wide in application range, and the LED display screen comprises the size of a liquid crystal panel which is mainstream in the market, such as 46 inches, 55 inches and the like.
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic diagram illustrating an arrangement of light emitting unit groups of a light emitting portion of an LED device according to the present invention;
FIG. 2 is a schematic diagram of another arrangement of the light emitting unit groups of the LED device shown in FIG. 1;
FIG. 3 is a schematic diagram of a driving manner of an LED driving part;
FIG. 4 is a schematic diagram of the arrangement of the connector mechanism on the back side of the substrate;
fig. 5 is a schematic view of an assembly structure of the aluminum plate and the rear cover portion of the LED display screen provided by the present invention;
FIG. 6 is a schematic view of the adapter plate of the LED display screen shown in FIG. 5;
fig. 7 is a schematic view of the LED display device assembled as an LED screen.
Reference numerals:
1 first common electrode pad 2 second common electrode pad
3 round magnet column 4 connector mechanism
10 back cover 11 aluminium plate
12 adapter plate 13 first magnet
14 LED display device 15 second magnet
Detailed Description
In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1 to 7, in embodiment 1,
the utility model provides a pair of LED display device 14, include:
the LED lamp comprises a substrate, an LED light-emitting component, an LED driving component, a circular magnet column 3 and a connector assembly mechanism 4;
LED light-emitting component is assembled to the front of base plate, and LED drive assembly is assembled to the back of base plate, is equipped with circuit layer and pad on the base plate with electric connection LED light-emitting component and LED drive assembly, and the circuit layer includes the lead wire, and the pad includes a plurality of first common electrode pad 1, a plurality of second common electrode pad 2 and a plurality of secondary pad.
The LED light-emitting assembly comprises N groups of light-emitting units, and the N groups of light-emitting units are distributed at equal intervals in the longitudinal direction and the transverse direction according to the resolution of a single box; any group of light-emitting units comprises two groups of red LED chips which are diagonally arranged, and a group of green LED chips and a group of blue LED chips which are diagonally arranged. Two groups of red chips and one group of green LED chips in the unit pixel, one group of blue LED chips are distributed according to 1/2 of the distance between the light emitting unit groups, two groups of red chips are distributed diagonally, and the green LED chips and the blue LED chips are distributed diagonally.
The cathodes of the two groups of red LED chips are electrically connected with the first common electrode bonding pad 1 of the substrate through leads; the cathodes of the group of green LED chips and the cathodes of the group of blue LED chips are electrically connected with the second common electrode bonding pad 2 of the substrate through leads; the anode of the red LED chip, the anode of the green LED chip and the anode of the blue LED chip are respectively and electrically connected with the corresponding secondary bonding pads on the substrate through leads.
The LED driving part is fixed on the back surface of the substrate through a surface mounting process; the LED driving part comprises a plurality of LED driving units which are uniformly distributed.
Any LED driving unit comprises a constant current driving IC and a power supply driving IC; the output end channel of the constant current drive IC is electrically connected with the anode of the corresponding light emitting unit group through a bonding pad and a circuit layer on the substrate; and the output end channel of the power supply drive IC is electrically connected with the cathode of the corresponding light emitting unit group through the first common electrode bonding pad 1, the second common electrode bonding pad 2 and the circuit layer on the substrate.
The power supply driving IC comprises a VCC R circuit power supply and a VCC GB circuit power supply; the VCC R circuit is used for driving two groups of red LED chips, and the VCC GB circuit is used for driving one group of green LED chips and one group of blue LED chips.
The utility model provides a LED display screen that LED display device 14 constitutes, based on aforementioned LED display device 14, LED display screen still includes circular magnet post 3, connector, aluminum plate 11, back lid 10 and keysets 12, and circular magnet post 3 is used for connecting LED display device 14 and aluminum plate 11, and connector mechanism 4 is fixed in on the base plate through surface mounting technology.
The rear cover 10 is fixed on the aluminum plate 11; the adapter plate 12 is mounted on the aluminum plate 11 through an adapter plate fixing mechanism, the LED display device 14 is electrically connected with the adapter plate 12 through the connector mechanism 4, and the adapter plate 12 is used for achieving communication between the LED display device 14 and peripheral equipment. The aluminum plate 11 is equal to the size of the liquid crystal panel which is mainstream in the market by adopting the size including but not limited to 46 inches, 55 inches and the like. A plurality of adapter plates 12 and LED display devices 14 are installed on an aluminum plate 11, the adapter plates 12 are installed on the aluminum plate 11 through adapter plate fixing mechanisms, the LED display devices 14 are installed on the aluminum plate 11 through LED display device 14 fixing mechanisms, and the LED display devices 14 are electrically connected with the adapter plates 12 through device connector mechanisms 4. The adapter board 12 distributes the control signals output from the receiving card to the LED display devices 14 via the connector mechanism 4 bus according to a certain law.
One end face of the round magnet column 3 is fixedly connected to the surface of the substrate through a surface mounting process or a soldering tin wire; the other end face of the circular magnet column 3 is used for connecting the LED display device 14 and the aluminum plate 11; circular magnet post 3 includes first magnet 13 and second magnet 15, and it is used for holding second magnet 15 to open on the aluminum plate 11 with circular magnet post 3 matched with inside groove, and first magnet 13 corresponds magnetism with second magnet 15 and inhales in order to with module fixed connection on aluminum plate 11.
In other more specific embodiments, the connector mechanism 4 comprises a metal PIN and a foolproof plastic male member. The rear cover 10 is a raised metal part shaped like a Chinese character 'ji' and is fixed on the aluminum plate 11 through a fixing mechanism.
The size of the LED display device 14 is divided and designed according to the size of the aluminum plate 11. When the LED display device 14 is divided into 46-inch aluminum plates 11 according to 1920 × 1080 resolution, the distance between the divided LED display devices is PH 0.5333; the distance between the LED display devices 14 divided and designed according to the size of the 1920 × 1080 resolution 55-inch aluminum plate 11 is PH 0.6341.
In summary, the LED display device and the LED display screen formed by the LED display device provided by the present invention do not need to be additionally spliced, and a single unit and a single box can realize the playing and displaying of 2K high definition video; the connection mode is simple and convenient, and is tidy and ordered; based on the technical characteristics that the power supply driving IC supplies power in a shunt way, the voltage drop required by the LED chip can be ensured, the vds value of the constant current chip can be met, the chip can work in a constant current area, no redundant voltage is consumed by the IC, and the heat of the IC is reduced while the power consumption of the LED display screen is reduced; the size of the LED display screen is wide in application range, and the LED display screen comprises the size of a liquid crystal panel which is mainstream in the market, such as 46 inches, 55 inches and the like.
The technical content of the present invention is further described by way of example only for the purpose of understanding, but the present invention is not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. An LED display device, comprising:
the LED lamp comprises a substrate, an LED light-emitting component, an LED driving component, a circular magnet column and a connector assembly mechanism;
the LED light-emitting component is assembled on the front surface of the substrate, the LED driving component is assembled on the back surface of the substrate, a circuit layer and a bonding pad are arranged on the substrate and electrically connected with the LED light-emitting component and the LED driving component, the circuit layer comprises a lead, and the bonding pad comprises a plurality of first common bonding pads, a plurality of second common bonding pads and a plurality of secondary bonding pads.
2. The LED display device of claim 1, wherein the LED lighting assembly comprises N x N groups of lighting units, the N x N groups of lighting units being equally spaced in the longitudinal and transverse directions respectively according to the resolution of a single box;
any group of the light-emitting units comprises two groups of red LED chips which are arranged diagonally, and a group of green LED chips and a group of blue LED chips which are arranged diagonally.
3. The LED display device of claim 2, wherein the cathodes of the two sets of red LED chips are electrically connected to the first common pad of the substrate through a lead; the cathodes of the group of green LED chips and the cathodes of the group of blue LED chips are electrically connected with the second common electrode bonding pad of the substrate through leads; the anode of the red LED chip, the anode of the green LED chip and the anode of the blue LED chip are electrically connected with corresponding secondary bonding pads on the substrate through leads respectively.
4. The LED display device according to claim 2, wherein the LED driving part is fixed to the back surface of the substrate by a surface mount process; the LED driving part comprises a plurality of LED driving units which are uniformly distributed;
any one of the LED driving units comprises a constant current driving IC and a power supply driving IC; the output end channel of the constant current drive IC is electrically connected with the anode of the corresponding light emitting unit group through the bonding pad and the circuit layer on the substrate; and the output end channel of the power supply drive IC is electrically connected with the corresponding cathode of the light emitting unit group through the first common electrode bonding pad, the second common electrode bonding pad and the circuit layer on the substrate.
5. The LED display device according to claim 4, wherein the power supply driving IC comprises a VCC R circuit power supply and a VCC GB circuit power supply; the VCC R circuit is used for driving the two groups of red LED chips, and the VCC GB circuit is used for driving the one group of green LED chips and the one group of blue LED chips.
6. An LED display screen formed by LED display devices, characterized in that, based on the LED display device of any one of claims 1 to 5, the LED display screen further comprises a circular magnet column, a connector, an aluminum plate, a rear cover and an adapter plate, wherein the circular magnet column is used for connecting the LED display device and the aluminum plate, and the connector mechanism is fixed on the substrate through a surface mounting process;
the rear cover is fixed on the aluminum plate; the adapter plate passes through adapter plate fixed establishment install in aluminum plate, LED display device pass through connector mechanism with adapter plate electric connection, the adapter plate is used for realizing LED display device and peripheral equipment communication.
7. The LED display screen of claim 6, wherein one end surface of the circular magnet post is fixedly connected to the surface of the substrate by surface mount technology or solder wires; the other end face of the circular magnet column is used for connecting the LED display device and the aluminum plate; the circular magnet post includes first magnet and second magnet, aluminum plate go up open have with circular magnet post matched with inside groove is used for the holding second magnet, first magnet with the second magnet corresponds magnetism and inhales in order to incite somebody to action LED display device fixed connection in on the aluminum plate.
8. An LED display screen formed by the LED display device as claimed in claim 6, wherein the connector mechanism comprises a metal PIN PIN and a foolproof plastic male member.
9. The LED display screen of claim 6, wherein the rear cover is a raised metal piece shaped like a Chinese character 'ji'.
10. The LED display screen of claim 6, wherein the LED display device is divided into the size of the aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921260410.4U CN210606407U (en) | 2019-08-01 | 2019-08-01 | LED display device and LED display screen formed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921260410.4U CN210606407U (en) | 2019-08-01 | 2019-08-01 | LED display device and LED display screen formed by same |
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| Publication Number | Publication Date |
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| CN210606407U true CN210606407U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921260410.4U Active CN210606407U (en) | 2019-08-01 | 2019-08-01 | LED display device and LED display screen formed by same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335554A (en) * | 2019-08-01 | 2019-10-15 | 深圳市创显光电有限公司 | A kind of LED display of LED display and its composition |
-
2019
- 2019-08-01 CN CN201921260410.4U patent/CN210606407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335554A (en) * | 2019-08-01 | 2019-10-15 | 深圳市创显光电有限公司 | A kind of LED display of LED display and its composition |
| CN110335554B (en) * | 2019-08-01 | 2024-02-06 | 深圳市创显光电有限公司 | LED display device and LED display screen formed by same |
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