CN209641250U - LED upside-down mounting display screen - Google Patents
LED upside-down mounting display screen Download PDFInfo
- Publication number
- CN209641250U CN209641250U CN201920471816.0U CN201920471816U CN209641250U CN 209641250 U CN209641250 U CN 209641250U CN 201920471816 U CN201920471816 U CN 201920471816U CN 209641250 U CN209641250 U CN 209641250U
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- CN
- China
- Prior art keywords
- led
- wiring board
- down mounting
- display screen
- upside
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- 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.)
- Expired - Fee Related
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a kind of LED upside-down mounting display screens, display screen includes wiring board, driving IC and LED chip, display screen includes multilayered structure altogether, it is according to this from bottom to up driving IC, wiring board, LED chip and glue, LED chip are welded together by the way of upside-down mounting with wiring board, are fixed on PCB bottom plate；Driven IC is arranged on the wiring board, is connected with LED chip, and the application saves traditional lamp bead bracket by the way that flip LED chips are welded direct on wiring board, gold thread, the costs such as patch, and surface one display consistency is more preferable；Connecting plate is equipped with pad, and by the interconnection of pad, user can be according to actually required realization free splicing, so that it is determined that the size of LED screen.
Description
Technical field
The utility model relates to LED display field more particularly to a kind of LED upside-down mounting display screens.
Background technique
LED display because have many advantages, such as energy-saving and environmental protection, long service life and be widely used in modern society produce
The every aspect of life, has gradually appeared flexible LED display screen later, although in analogous technical fields new technology occur all
Such as OLED realize screen part can flexibility and can variability the characteristics of, but this is compared with flexible LED screen, belongs to
In different technical solutions, the technical issues of enlargement and the long-life of display screen can not be solved.
In LED display field, it is desirable that body is frivolous and convenient disassembly for LED display convenient transportation, screen, in order to realize this mesh
, generally use reduction unit box sizes in the prior art to realize, but integrated by LED display outer framework,
Power-supply system and LED die etc. influence, and cause display screen to have granular sensation, influence display effect.
Utility model content
Shortcoming present in view of the above technology, the utility model provides a kind of LED upside-down mounting display screen, by LED core
Piece face-down bonding in the circuit board, saves traditional lamp bead bracket, gold thread, and the costs such as patch improve production efficiency, surface one
It is body formed, it is readily disassembled and splices.
To achieve the above object, the utility model provides a kind of LED upside-down mounting display screen, the display screen include wiring board,
It drives IC and LED chip, display screen includes multilayered structure altogether, be according to this from bottom to up driving IC, wiring board, LED chip and glue
Or glue, the LED chip are welded together by the way of upside-down mounting with the wiring board, are fixed on PCB bottom plate, the driving
IC is arranged on the PCB bottom plate, is connected with LED chip.
Preferably, the LED chip includes LED upside-down mounting red chip, LED upside-down mounting Green Chip and LED upside-down mounting blue
The LED chip of chip, three kinds of colors is evenly distributed, is connected in parallel, and is fixed on PCB bottom plate by the wiring board, composition
LED luminescent layer.
Preferably, LED luminescent layer is divided into multiple light emitting regions LED, the different light emitting regions LED using connecting line into
Row connection, the corresponding wiring board of the connecting line are equipped with 2 symmetrically arranged terminals.
Preferably, the pad includes power pad and signal pad, the power pad is deposited in pairs with signal pad
It is being separately positioned on the both ends of the connecting plate.
Preferably, described one end driving IC is electrical connected with the wiring board, the other end is connected with LED chip, described
IC is driven to be provided with multiple, including amplification IC, decoder and scanning IC.
Preferably, PCB bottom plate one end is connected with LED luminescent layer, the other end is connect with power pack, the power pack
Including control card, Signals Transfer Board and power supply.
Preferably, being provided with a plurality of route in the wiring board, every route is respectively connected with the LED chip, each item
Spacing between route reaches 0.05mm-0.15mm.
The beneficial effects of the utility model are: compared with prior art, the utility model passes through flip LED chips are direct
It is welded on wiring board, saves traditional lamp bead bracket, gold thread, the costs such as patch improve production efficiency, are convenient to use；
Each route spacing in wiring board is small, can effectively solve the clearance issues between LED chip, so that display consistency is more
It is good；The interconnection between multiple luminescent layers is finally realized using pad, the free splicing of LED screen is realized, meets a variety of
Use demand under state.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the utility model；
Fig. 2 is the luminescent layer schematic diagram of the utility model；
Fig. 3 is the connecting line schematic diagram of the utility model.
Main element symbol description is as follows:
1, IC 2, wiring board are driven
3, LED chip 4, glue
5, connecting line 6, terminal.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.
Referring to Fig. 1, the utility model discloses a kind of LED upside-down mounting display screen, display screen include wiring board, driving IC and
LED chip, display screen include multilayered structure altogether, are according to this from bottom to up driving IC 1, wiring board 2, LED chip 3 and glue 4, LED
Chip 3 is welded together by the way of upside-down mounting with wiring board 2, and driving IC 1 is arranged in assist side 2, with 3 phase of LED chip
Even；LED chip 3 includes LED upside-down mounting red chip, LED upside-down mounting Green Chip and LED upside-down mounting blue chip, the LED of three kinds of colors
Chip is evenly distributed, is connected in parallel, and is fixed on PCB bottom plate by wiring board, forms LED luminescent layer, and LED luminescent layer divides
For multiple light emitting regions LED, the different light emitting regions LED is attached using connecting line 5, on the corresponding wiring board of connecting line 5
Equipped with 2 symmetrically arranged terminals 6.In the present embodiment, using the LED chip of three kinds of colors as a basic luminous zone
Domain, in this way each light emitting region can be shone according to demand without influencing each other, the phase between multiple light emitting regions
Mutually cooperation, to realize the whole display of picture；It is attached between each light emitting region using connecting line, this makes it possible to
It realizes unlimited expansion, light emitting region is expanded；In addition, also can be carried out replacement if some light emitting region goes wrong,
It is special in order to guarantee the transmitting of electric signal when connecting two light emitting regions using connecting plate without replacing entire LED display
Terminal 6 is provided in other assist side 2, terminal 6 includes signal pad, and signal pad exists in pairs, and assist side 2 is respectively set
Both ends, by the mutual cooperation of terminal and connecting line, to realize the seamless spliced of LED display.
Driving 1 one end IC is electrical connected with wiring board 2, and the other end is connected with LED chip 3, drives IC to be provided with multiple,
Including amplification IC, decoder and scanning IC；2 one end of wiring board is connected with LED luminescent layer, and the other end is connect with power pack, power supply
Box includes control card, Signals Transfer Board and power supply；A plurality of route is provided in wiring board 2, every route is respectively connected with LED chip
4, the spacing between each route reaches 0.05mm-0.15mm, and accuracy reaches 0.05mm.In the present embodiment, control card is sent out
Out after command information to wiring board, which goes to driving IC processing, LED luminescent layer is ultimately applied to, so that LED shines
Layer shows optical imagery according to instruction；Spacing between each route is preferably 0.07mm, so that LED luminescent layer is working
LED chip when process does not cause display blind area, so that the more life-like nature of image quality of display.
Drive the working principle of IC as follows in the application:
After driving IC chip electrification resets, data are received using scanning IC for the first time, default IC11(Din1) receive data, core
When piece detects that there is signal input in the port, then port reception is always maintained at；Data are received with realizing.
Driving IC chip reset and after receiving constant current value setting command, starts to receive PWM setting command, passes through decoder
The control to electric current is realized with amplification IC, and combined data information generates control instruction, and control instruction is ultimately applied to LED chip
On, so that LED chip issues the light of different colours according to the PWM waveform of corresponding duty ratio；Electric current is put using amplification IC
Greatly, it realizes the high image quality of display screen, during the concrete application of the application, preferentially uses the special chip in 16 sources.
The advantage of the utility model is:
1) LED chip uses face-down bonding in the circuit board, saves traditional lamp bead bracket, gold thread, the costs such as patch mention
High production efficiency, is convenient to use；
2) using pad can other unlimited external connecting plates so that LED display infinitely splices meet actual demand.
Disclosed above is only several specific embodiments of the utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of LED upside-down mounting display screen, which is characterized in that the display screen includes wiring board, driving IC and LED chip, display
Screen includes multilayered structure altogether, is according to this from bottom to up driving IC, wiring board, LED chip and glue, the LED chip uses upside-down mounting
Mode weld together with the wiring board, be fixed on PCB bottom plate；The driving IC is arranged on the wiring board, with
LED chip is connected.
2. LED upside-down mounting display screen according to claim 1, which is characterized in that the LED chip includes that LED upside-down mounting is red
Chip, LED upside-down mounting Green Chip and LED upside-down mounting blue chip, the LED chip of three kinds of colors is evenly distributed, is connected in parallel, and leads to
It crosses the wiring board to be fixed on PCB bottom plate, forms LED luminescent layer.
3. LED upside-down mounting display screen according to claim 2, which is characterized in that LED luminescent layer is divided into multiple LED and shines
Region, the different light emitting regions LED are attached using connecting line, the corresponding wiring board of the connecting line be equipped with 2 it is symmetrical
The terminal of setting.
4. LED upside-down mounting display screen according to claim 3, which is characterized in that the terminal includes power pad and signal
Pad, the power pad exist in pairs with signal pad, are separately positioned on the both ends of the wiring board.
5. LED upside-down mounting display screen according to claim 1, which is characterized in that described one end driving IC and the wiring board
Be electrical connected, the other end is connected with LED chip, the driving IC be provided with it is multiple, including amplification IC, decoder and scanning IC.
6. LED upside-down mounting display screen according to claim 1, which is characterized in that described wiring board one end and LED luminescent layer phase
Even, the other end is connect with power pack, and the power pack includes control card, Signals Transfer Board and power supply.
7. LED upside-down mounting display screen according to claim 1, which is characterized in that a plurality of route is provided in the wiring board,
Every route is respectively connected with the LED chip, and the spacing between each route reaches 0.05mm-0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471816.0U CN209641250U (en) | 2019-04-09 | 2019-04-09 | LED upside-down mounting display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920471816.0U CN209641250U (en) | 2019-04-09 | 2019-04-09 | LED upside-down mounting display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641250U true CN209641250U (en) | 2019-11-15 |
Family
ID=68497365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920471816.0U Expired - Fee Related CN209641250U (en) | 2019-04-09 | 2019-04-09 | LED upside-down mounting display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023133934A1 (en) * | 2022-01-12 | 2023-07-20 | 珠海华萃科技有限公司 | Flexible transparent led display screen applicable to asic flip chip technology |
-
2019
- 2019-04-09 CN CN201920471816.0U patent/CN209641250U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023133934A1 (en) * | 2022-01-12 | 2023-07-20 | 珠海华萃科技有限公司 | Flexible transparent led display screen applicable to asic flip chip technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |