CN110164321A - A kind of LED display module and LED display - Google Patents
A kind of LED display module and LED display Download PDFInfo
- Publication number
- CN110164321A CN110164321A CN201910409945.1A CN201910409945A CN110164321A CN 110164321 A CN110164321 A CN 110164321A CN 201910409945 A CN201910409945 A CN 201910409945A CN 110164321 A CN110164321 A CN 110164321A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- led display
- display module
- chip
- led
- 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.)
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Abstract
It includes: first circuit board that the application, which provides a kind of LED display module and LED display, the LED display module, and the first side surface of first circuit board is provided with multiple LED chips；Second side surface of first circuit board is equipped with multiple second circuit boards, and multiple second circuit boards are distributed in the second side surface of first circuit board spaced reciprocally；Multiple driving chips are respectively equipped on multiple second circuit boards, multiple second circuit boards and multiple driving chips correspond, and multiple driving chips are for driving multiple LED chips.The application is in driving chip and LED chip interval two-tier circuit plate, the electromagnetic interference between LED chip and driving chip can be shielded, obstruct the temperature transmitting between driving chip and LED chip, improve the integral heat sink effect of LED display module, avoid the excessively high influence display effect of chip temperature, and since multiple second circuit boards are intervally arranged on first circuit board, the manufacturing cost of display screen is reduced.
Description
Technical field
This application involves display screen technology field, specially a kind of LED display module and LED display.
Background technique
With the development of LED display technique and the promotion of display application market demand, the LED display of high density, high definition
Become the new lover in market.Currently, since LED light has the characteristics that low energy consumption, long service life and safety and environmental protection,
Become one of the main product of people's life lighting.The continuous improvement required with people illuminating effect is popularized with LED,
New challenge is brought to LED drive system.
Outdoor LED display screen at present, generally use bilayer PCB (Printed Circuit Board, printed circuit board, again
Claim printed wiring board) the integrated design of lamp drive.However the design Problems: the double-deck PCB coefficient of heat transfer itself is not high, works as lamp plate
When lighting, it will lead to display screen and local colour cast occur, influence the display effect for entirely shielding body.
In consideration of it, overcoming the shortcomings of is the art urgent problem to be solved present in the prior art product.
Summary of the invention
The application can be improved display mainly solving the technical problems that provide a kind of LED display module and LED display
The heat dissipation effect of screen reduces interfering with each other between LED chip and driving chip, avoids display screen from local colour cast occur, avoids
Influence the display effect of entire screen body.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of LED display module, institute
Stating LED display module includes: first circuit board, and the first side surface of the first circuit board is provided with multiple LED chips；It is described
Second side surface of first circuit board is equipped with multiple second circuit boards, and the multiple second circuit board is distributed in institute spaced reciprocally
State the second side surface of first circuit board；It is respectively equipped with multiple driving chips on the multiple second circuit board, the multiple
Two circuit boards and the multiple driving chip correspond, and the multiple driving chip is for driving the multiple LED chip.
Wherein, the first circuit board is equipped with multiple first pads, is respectively equipped on the multiple second circuit board multiple
Second pad, by way of being bonded and welding the multiple first pad and the multiple second pad, by the multiple
Two circuit boards are fixed on the first circuit board.
Wherein, the driving chip is constant-current driven chip, and the second circuit board is equipped with resistance and capacitor, the electricity
Resistance, the capacitor and the driving chip are spaced apart on the second circuit board, and the resistance is for adjusting the drive
The output electric current of dynamic chip, the capacitor are used for filtering external input signal.
Wherein, the second side surface of the first circuit board is additionally provided with multiple tertiary circuit plates, the multiple second electricity
Road plate, the multiple tertiary circuit plate are distributed in the second side surface of the first circuit board spaced reciprocally, and the multiple
Three-circuit plate is equipped with multiple transistors, and the multiple tertiary circuit plate and the multiple transistor correspond.
Wherein, the transistor is any one of P-type TFT or N-type TFT.
Wherein, the multiple driving chip, the resistance, the capacitor, the transistor, the multiple second circuit board
And heat dissipating silicone grease is coated on the multiple tertiary circuit plate.
Wherein, the driving chip includes for feux rouges driving chip, blu-ray drives chip, green light driving chip and white light
At least one of driving chip.
Wherein, the second side surface of the first circuit board is additionally provided with signal input interface, and the signal input interface is used
In accessing the external input signal, the signal input interface and the multiple second circuit board and the multiple third are electric
Road plate is intervally installed on the second side surface of the first circuit board.
Wherein, the first circuit board is equipped with multiple location holes, and the multiple location hole is arranged in a manner of matrix.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of LED display, institute
Stating LED display includes LED display module described in any of the above one.
The beneficial effect of the application is: being different from the prior art, the application provides a kind of LED display module, and LED shows mould
Group includes: first circuit board, and the first side surface of first circuit board is provided with multiple LED chips；Second side of first circuit board
Surface is equipped with multiple second circuit boards, and multiple second circuit boards are distributed in the second side surface of first circuit board spaced reciprocally；
Multiple driving chips are respectively equipped on multiple second circuit boards, multiple second circuit boards and multiple driving chips correspond, more
A driving chip is for driving multiple LED chips.The application, on the one hand in driving chip and LED chip interval two-tier circuit plate,
The electromagnetic interference between LED chip and driving chip can be shielded, and obstructs the temperature between driving chip and LED chip and passes
It passs, high temperature is avoided to influence the display effect of LED display module；On the other hand, multiple second circuit boards are spaced apart from each other, and are improved
The integral heat sink effect of LED display module avoids the excessively high influence display effect of chip temperature, and due between multiple second circuit boards
Every being arranged on first circuit board, the area of multiple second circuit boards is less than the area of first circuit board, reduces display screen
Manufacturing cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of the first overall structure diagram of LED display module provided by the embodiments of the present application；
Fig. 2 is a kind of the second overall structure diagram of LED display module provided by the embodiments of the present application；
Fig. 3 is a kind of first side structural schematic diagram of LED display module provided by the embodiments of the present application；
Fig. 4 is a kind of second side structural schematic diagram of LED display module provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of the application protection.
The application proposes a kind of LED display module, and LED display module includes: first circuit board, and the of first circuit board
One side surface is provided with multiple LED chips；Second side surface of first circuit board is equipped with multiple second circuit boards, multiple second electricity
Road plate is distributed in the second side surface of first circuit board spaced reciprocally；Multiple driving cores are respectively equipped on multiple second circuit boards
Piece, multiple second circuit boards and multiple driving chips correspond, and multiple driving chips are for driving multiple LED chips.This Shen
LED display module please, can be applied to various LED displays.It is specifically described below.
Refering to fig. 1-4, Fig. 1 is a kind of the first overall structure diagram of LED display module provided by the embodiments of the present application；
Fig. 2 is a kind of the second overall structure diagram of LED display module provided by the embodiments of the present application；Fig. 3 is the embodiment of the present application
A kind of first side structural schematic diagram of the LED display module provided；Fig. 4 is that a kind of LED provided by the embodiments of the present application is shown
The second side structural schematic diagram of mould group.
In conjunction with Fig. 1-4, in the present embodiment, LED display module 10 includes first circuit board 11.The first of first circuit board 11
Side surface is provided with multiple LED chips 12, and multiple LED chips 12 are for shining.Second side surface of first circuit board 11 is equipped with
Multiple second circuit boards 13, multiple second circuit boards 13 are distributed in the second side surface of first circuit board 11 spaced reciprocally.It is more
Multiple driving chips 15 are respectively equipped on a second circuit board 13, multiple second circuit boards 13 and multiple driving chips 15 1 are a pair of
It answers, multiple driving chips 15 are for driving multiple LED chips 12.
In a specific embodiment, multiple second circuit boards 13 are arranged in the of first circuit board 11 in matrix-style
Two side surfaces.Preferably, second circuit board 13 and first circuit board 11 are single layer board, in other embodiments, second
Circuit board 13 and first circuit board 11 or bilayer or more, the application is not construed as limiting this.Due to each
Driving chip 15 and LED chip 12 and each multiple second circuit boards 13 correspond, and are equivalent to each driving chip 15 and LED
First circuit board 11 and second circuit board 13 are spaced between chip 12.On the one hand, driving chip 15 and LED chip 12 are spaced
Two-tier circuit plate can shield the electromagnetic interference between LED chip 12 and driving chip 15, and obstruct driving chip 15 and LED
Temperature transmitting between chip 12, avoids high temperature from influencing the display effect of LED display module 10；On the other hand, multiple second electricity
Road plate 13 is spaced apart from each other, that is, second circuit board 13 is not provided in the position for being not provided with driving chip 15, in shielding LED chip
Between 12 and driving chip 15 while electromagnetic interference, the integral heat sink effect of LED display module 10 is improved, chip temperature is avoided
High influence display effect is spent, and the area of multiple second circuit boards 13 is less than the area of first circuit board 11, reduces circuit
The manufacturing cost of plate.
In the present embodiment, driving chip 15 includes feux rouges driving chip 151, blu-ray drives chip 152 and green light driving
Chip 153.One feux rouges driving chip, 151, blu-ray drives chips 152 and a green light driving chip 153 are one group
Driving chip 15, every group of driving chip 15 are located on the same second circuit board 13.Feux rouges driving chip 151 is for driving LED
Chip 12 glows, blue driving chip 151 is for driving 12 blue light-emitting of LED chip, and green light driving chip 151 is for driving
12 green light of LED chip.15 one group of each self-configuring of feux rouges driving chip 151, blu-ray drives chip 15 and green light driving chip
Capacitor 18 and resistance 17.By adjusting the luminous intensity of output current regulation LED chip 12, and then closed by red blue green three coloured light
At the light of different colours.In other embodiments, driving chip 15 includes for feux rouges driving chip, blu-ray drives chip, green light
At least one of driving chip and white light driving chip.
Further, first circuit board 11 is equipped with multiple first pad (not shown), distinguishes on multiple second circuit boards 13
Equipped with multiple second pads 131.It, will be multiple by way of being bonded and welding multiple first pads and multiple second pads 131
Second circuit board 13 is fixed on first circuit board 11.Since multiple second circuit boards 13 are intervally arranged, by being bonded simultaneously
Multiple second circuit boards 13 are fixed on first circuit board 11 by the mode for welding multiple first pads and multiple second pads 131
It is upper, it is not necessarily to connector, the manufacturing cost of LED display module 10 is further reduced, and preparation process is simple, improves
Preparation efficiency.
Further, driving chip 15 is constant-current driven chip, and second circuit board 13 is equipped with resistance 17 and capacitor 18, electricity
Resistance 17, capacitor 18 and driving chip 15 are spaced apart on second circuit board 13, and resistance 17 is for adjusting driving chip 15
Electric current is exported, capacitor 18 is used for filtering external input signal.By 18 pairs of output electric currents of resistance 17 and capacitor and input signal into
Row is adjusted, so that LED chip 12 be kept to shine under stable electric current and signal, LED chip 12 is avoided flashing, high temperature etc. occur
Abnormal conditions cause 10 temperature of LED display module excessively high or even damage, so that the display for avoiding high temperature from influencing entire screen body is imitated
Fruit.
Further, the second side surface of first circuit board 11 is additionally provided with multiple tertiary circuit plates 14.Multiple second electricity
Road plate 13, multiple tertiary circuit plates 14 are distributed in the second side surface of first circuit board 11, multiple tertiary circuits spaced reciprocally
Plate 14 is equipped with multiple transistors 14, and multiple tertiary circuit plates 14 are corresponded with multiple transistors 14.Preferably, second circuit
Plate 13, first circuit board 11 and tertiary circuit plate 14 are single layer board, in other embodiments, 13 He of second circuit board
First circuit board 11 or bilayer or more, the application is not construed as limiting this.Equally, on the one hand, due to crystalline substance
It is spaced between body pipe 14 and LED chip 12, first circuit board 11 and tertiary circuit plate 14, two-tier circuit plate, can shield LED altogether
Electromagnetic interference between chip 12 and transistor 14, and obstruct the temperature transmitting between transistor 14 and LED chip 12；Another party
Face, transistor 14 are spaced apart from each other each other with driving chip 15, also reduce the electricity between transistor 14 and driving chip 15
Magnetic disturbance and temperature transmitting.
Further, transistor 14 is any one of P-type TFT or N-type TFT.
Further, multiple driving chips 15, resistance 17, capacitor 18, transistor 14, multiple second circuit boards 13 and more
Heat dissipating silicone grease is coated on a tertiary circuit plate 14.In other embodiments, multiple driving chips 15, resistance 17, capacitor 18, crystalline substance
Be coated with other heat sink materials on body pipe 14, multiple second circuit boards 13 and multiple tertiary circuit plates 14, the application to this not
It limits.It is radiated by each device of the heat sink material to LED display module 10, further improves LED display module
10 heat dissipation effect, so that high temperature be avoided to influence the entire display effect for shielding body.
In the present embodiment, the second side surface of first circuit board 11 is additionally provided with signal input interface 16, signal input interface
16 for accessing external input signal, signal input interface 16 and multiple second circuit boards 13 and multiple tertiary circuit plates 14,
It is intervally installed on the second side surface of first circuit board 11.
In the present embodiment, first circuit board 11 is equipped with multiple location holes 111, and multiple location holes 111 are arranged in a manner of matrix
Column.By multiple location holes 111, LED display module 10 can be quick mounting to designated position.
It being different from the prior art, the application provides a kind of LED display module, and LED display module includes: first circuit board,
First side surface of first circuit board is provided with multiple LED chips；Second side surface of first circuit board is equipped with multiple second electricity
Road plate, multiple second circuit boards are distributed in the second side surface of first circuit board spaced reciprocally；Divide on multiple second circuit boards
Not She You multiple driving chips, multiple second circuit boards and multiple driving chips correspond, and multiple driving chips are for driving
Multiple LED chips.The application, on the one hand in driving chip and LED chip interval two-tier circuit plate, can shield LED chip with
Electromagnetic interference between driving chip, and the temperature transmitting between driving chip and LED chip is obstructed, avoid high temperature from influencing LED
The display effect of display module；On the other hand, multiple second circuit boards are spaced apart from each other, and the entirety for improving LED display module dissipates
Thermal effect avoids the excessively high influence display effect of chip temperature, and since multiple second circuit boards are intervally arranged in first circuit board
On, the area of multiple second circuit boards is less than the area of first circuit board, reduces the manufacturing cost of display screen.
The above is only embodiments herein, are not intended to limit the scope of the patents of the application, all to be said using the application
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of LED display module, which is characterized in that the LED display module includes:
First side surface of first circuit board, the first circuit board is provided with multiple LED chips；
Second side surface of the first circuit board is equipped with multiple second circuit boards, and the multiple second circuit board is spaced reciprocally
It is distributed in the second side surface of the first circuit board；
Multiple driving chips, the multiple second circuit board and the multiple driving are respectively equipped on the multiple second circuit board
Chip corresponds, and the multiple driving chip is for driving the multiple LED chip.
2. LED display module according to claim 1, which is characterized in that the first circuit board is equipped with multiple first welderings
Disk is respectively equipped with multiple second pads on the multiple second circuit board, by be bonded and weld the multiple first pad and
The mode of the multiple second pad, the multiple second circuit board is fixed on the first circuit board.
3. LED display module according to claim 1, which is characterized in that the driving chip is constant-current driven chip, institute
Second circuit board is stated equipped with resistance and capacitor, the resistance, the capacitor and the driving chip are in the second circuit
It is spaced apart on plate, the resistance is used to adjust the output electric current of the driving chip, and the capacitor is inputted for filtering external
Signal.
4. LED display module according to claim 3, which is characterized in that the second side surface of the first circuit board is also
Multiple tertiary circuit plates are provided with, the multiple second circuit board, the multiple tertiary circuit plate are distributed in institute spaced reciprocally
The second side surface of first circuit board is stated, the multiple tertiary circuit plate is equipped with multiple transistors, the multiple tertiary circuit
Plate and the multiple transistor correspond.
5. LED display module according to claim 4, which is characterized in that the transistor is P-type TFT or N
Any one of type thin film transistor (TFT).
6. LED display module according to claim 4, which is characterized in that the multiple driving chip, the resistance, institute
It states and is coated with heat dissipating silicone grease on capacitor, the transistor, the multiple second circuit board and the multiple tertiary circuit plate.
7. LED display module according to claim 4, which is characterized in that the driving chip includes driving core for feux rouges
At least one of piece, blu-ray drives chip, green light driving chip and white light driving chip.
8. LED display module according to claim 4, which is characterized in that the second side surface of the first circuit board is also
Equipped with signal input interface, the signal input interface for accessing the external input signal, the signal input interface with
The multiple second circuit board and the multiple tertiary circuit plate on the second side surface of the first circuit board to each other
Every setting.
9. LED display module according to claim 4, which is characterized in that the first circuit board is equipped with multiple location holes,
The multiple location hole is arranged in a manner of matrix.
10. a kind of LED display, which is characterized in that the LED display includes LED described in any one of claim 1-9
Display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409945.1A CN110164321A (en) | 2019-05-17 | 2019-05-17 | A kind of LED display module and LED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409945.1A CN110164321A (en) | 2019-05-17 | 2019-05-17 | A kind of LED display module and LED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110164321A true CN110164321A (en) | 2019-08-23 |
Family
ID=67631187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910409945.1A Pending CN110164321A (en) | 2019-05-17 | 2019-05-17 | A kind of LED display module and LED display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110164321A (en) |
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| CN202720837U (en) * | 2012-07-06 | 2013-02-06 | 深圳视爵光旭电子有限公司 | Light-emitted diode (LED) display screen module mask |
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| CN203250495U (en) * | 2013-05-21 | 2013-10-23 | 陈亚兴 | Improved outdoor LED display screen |
| CN104252842A (en) * | 2014-09-18 | 2014-12-31 | 苏州合欣美电子科技有限公司 | LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards |
| CN107633779A (en) * | 2017-11-24 | 2018-01-26 | 山西高科华烨电子集团有限公司 | LED display based on COB technologies |
| CN209895716U (en) * | 2019-05-17 | 2020-01-03 | 深德彩智能科技(东莞)有限公司 | LED display module and LED display screen |
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2019
- 2019-05-17 CN CN201910409945.1A patent/CN110164321A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959195Y (en) * | 2006-08-18 | 2007-10-10 | 兰侠 | Pixel structure for LED display screen |
| CN202230681U (en) * | 2011-08-29 | 2012-05-23 | 深圳市欧立光电技术有限公司 | Structure for LED module |
| CN202720837U (en) * | 2012-07-06 | 2013-02-06 | 深圳视爵光旭电子有限公司 | Light-emitted diode (LED) display screen module mask |
| CN202855263U (en) * | 2012-10-09 | 2013-04-03 | 深圳市创彩源电子科技有限公司 | Outdoor full-color LED display unit board |
| CN203250495U (en) * | 2013-05-21 | 2013-10-23 | 陈亚兴 | Improved outdoor LED display screen |
| CN104252842A (en) * | 2014-09-18 | 2014-12-31 | 苏州合欣美电子科技有限公司 | LED (Light Emitting Diode) display screen module with separated lamp boards and driving boards |
| CN107633779A (en) * | 2017-11-24 | 2018-01-26 | 山西高科华烨电子集团有限公司 | LED display based on COB technologies |
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