CN106531057A - PX2-model luminescent driving system - Google Patents
PX2-model luminescent driving system Download PDFInfo
- Publication number
- CN106531057A CN106531057A CN201610748423.0A CN201610748423A CN106531057A CN 106531057 A CN106531057 A CN 106531057A CN 201610748423 A CN201610748423 A CN 201610748423A CN 106531057 A CN106531057 A CN 106531057A
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- Prior art keywords
- chips
- row
- dot matrix
- matrix leds
- drive system
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Classifications
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- 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]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a PX2-model luminescent driving system. The PX2-model luminescent driving system includes one light emitting diode matrix and a row driving device, wherein the light emitting diode matrix is formed by arrangement of 96-column and 48-row bead in a rectangular array, and is provided with 48 row input ends and 96 column input ends; the size of the light emitting diode matrix is 256mm*128mm; the row driving device includes 6 RT5958 chips for driving the light emitting diode matrix; each RT5958 chip is provided with one DIN port, 8 output ports, one VDD port and one DOUT port; the DIN port of the first stage of RT5958 chip is connected with decoding equipment, and receives decoding data; the DOUT port of the former stage of RT5958 chip is connected with the DIN port of the next stage of RT5958 chip; six RT5958 chips are provided 48 output ports totally; and the48 output ports are correspondingly connected with 48 row input ends of the light emitting diode matrix one to one.
Description
Technical field
The present invention relates to a kind of LED light emission device, and in particular to a kind of luminous drive system of PX2 models.
Background technology
The main construction of LED display includes dot matrix LEDs, horizontal drive device, row driving means, traditional
In LED display, horizontal drive device and row driving means are often integrated as independent driving means, not with other
Electronic devices and components are integrated on a pcb board body, therefore the thickness of LED display can be caused to increase, while traditional row driving
Device combines to form horizontal drive device using independent coding chip and driving chip, and coding chip receives decoding data and translated
Driving chip is transmitted a signal to after code, and driving chip is driven to the lamp bead in dot matrix LEDs further according to the signal after decoding
It is dynamic, therefore the cost of the device is high, complex manufacturing, therefore cannot will decode core due to independent components and parts excessively
Piece and driving chip are completely integrated on a pcb board body, cause to need independently to increase a driving means pcb board, side,
The thickness of LED display can increase.
The content of the invention
The purpose of institute of the invention is to provide a kind of luminous drive system of PX2 models, the cost of solution LED display
Height, construction complexity and thickness problem.
The present invention's is achieved through the following technical solutions：A kind of luminous drivetrain of PX2.5 models, including 1 luminous two
Pole pipe matrix, the dot matrix LEDs are made up of according to rectangular array arrangement the lamp bead of 96 row, 48 row, light emitting diode
Matrix possesses 48 row inputs and 96 row inputs, and its size is 256mm*128mm, also including horizontal drive device, described
Horizontal drive device includes 6 for driving the RT5958 chips of dot matrix LEDs, the RT5958 chips possess decoding and
Driving function, each RT5958 chip possess 1 DIN port, 8 output ports, 1 vdd terminal mouth, 1 DOUT port, the
The DIN ports of the RT5958 chips of one-level are connected and receive decoding data with decoding equipment, the RT5958 chips of previous stage
DOUT ends are connected with the DIN ports of the RT5958 chips of rear stage, and 6 RT5958 chips have 48 output ports, this 48
Output port is connected one to one with 48 row inputs of dot matrix LEDs；
The present invention design principle be：Traditional LED display includes that independent dot matrix LEDs, independent row drive dress
Put, independent row driving means, horizontal drive device adopts 74AHC138 coding chips and 4953 driving chips to constitute, structural volume
Greatly, it is impossible to be integrated on one piece of pcb board body, production cost is high, complicated construction technique；The present invention occurs what is produced using Taiwan is auspicious
RT5958 chips, RT5958 chips possess decoding and driving function, can directly substitute 74AHC138 coding chips and 4953 and drive
Dynamic chip, therefore, the horizontal drive device of LED display can be directly integrated on the pcb board body of dot matrix LEDs, while
Taking up room for pcb board body is reduced, row driving means can be integrated in the lump, reached cost-effective, reduction LED and show
The thickness of screen, reduces working procedure.
Preferably, the gap between adjacent 2 lamp beads in dot matrix LEDs is 2.66mm.
Preferably, the electric capacity CS also including ground connection, the electric capacity CS are connected with vdd terminal mouth.The electric capacity CS of ground connection forms solution
Coupling electric capacity, plays circuit filtering effect.
Preferably, also including row driving means, the output port of row driving means row respectively with dot matrix LEDs
Input connects one to one.
Preferably, the row driving means include ICN2025 chips or/and ICN2038 chips, ICN2025 chips and
ICN2038 chips are driving chip.
Preferably, the capacitance of the electric capacity CS is 1uF.
Preferably, the RT5958 chips and dot matrix LEDs for driving dot matrix LEDs is integrated in one
On pcb board.
The present invention compared with prior art, has the following advantages and advantages：Small volume, can be integrated in one
On pcb board body, construction technology is simple, and cost is substantially reduced.
Description of the drawings
Accompanying drawing is used for providing further understanding the embodiment of the present invention, constitutes the part of the application, and it is right not constitute
The restriction of the embodiment of the present invention.
Fig. 1 is circuit theory schematic diagram of the present invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
Such as Fig. 1, merely illustrate in Fig. 1 dot matrix LEDs subregion and 2 RT5958 chips.In practice, light
Diode matrix has 96 row, 48 row, merely illustrates 4 row, 8 row, and possessing in practice has 6 RT5958 chips in figure, and in figure
In merely illustrate 2 RT5958 chips, but its principle has represented clear, and PX2.5 models are only a naming method, main
To name according to lamp bead gap length.
Specifically, a kind of luminous drivetrain of PX2.5 models, including 1 dot matrix LEDs, the light emitting diode
Matrix is made up of according to rectangular array arrangement the lamp bead of 96 row, 48 row, and dot matrix LEDs possesses 48 row inputs and 96
Individual row input, its size are 256mm*128mm, and also including horizontal drive device, the horizontal drive device includes 6 for driving
The RT5958 chips of dot matrix LEDs, the RT5958 chips possess decoding and driving function, each RT5958 chip
Possess 1 DIN port, 8 output ports, 1 vdd terminal mouth, 1 DOUT port, the DIN ports of the RT5958 chips of the first order
It is connected and receives decoding data, the DOUT ends of the RT5958 chips of previous stage and the RT5958 chips of rear stage with decoding equipment
DIN ports connect, and 6 RT5958 chips have 48 output ports, this 48 output ports and the 48 of dot matrix LEDs
Individual row input connects one to one.
The present invention design principle be：Traditional LED display includes independent dot matrix LEDs, independent row drive
Dynamic device, independent row driving means, horizontal drive device adopt 74AHC138 coding chips and 4953 driving chips to constitute, structure
Volume is big, it is impossible to be integrated on one piece of pcb board body, and production cost is high, complicated construction technique；The present invention occurs to produce using Taiwan is auspicious
RT5958 chips, RT5958 chips possess decoding and driving function, can directly substitute 74AHC138 coding chips and 4953
Driving chip, therefore, the horizontal drive device of LED display can be directly integrated on the pcb board body of dot matrix LEDs, together
When reduce pcb board body and take up room, row driving means can be integrated in the lump, reach it is cost-effective, reduce LED and show
The thickness of display screen, reduces working procedure.
Preferably, the gap between adjacent 2 lamp beads in dot matrix LEDs is 2.66mm.
Preferably, the electric capacity CS also including ground connection, the electric capacity CS are connected with vdd terminal mouth.The electric capacity CS of ground connection forms solution
Coupling electric capacity, plays circuit filtering effect.
Preferably, also including row driving means, the output port of row driving means row respectively with dot matrix LEDs
Input connects one to one.
Preferably, the row driving means include ICN2025 chips or/and ICN2038 chips, ICN2025 chips and
ICN2038 chips are driving chip.Row driving means are prior art with the annexation of dot matrix LEDs, therefore are not existed
Repeat.
Preferably, the capacitance of the electric capacity CS is 1uF.
Preferably, the RT5958 chips and dot matrix LEDs for driving dot matrix LEDs is integrated in one
On pcb board.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (7)
1. a kind of luminous drive system of PX2 models, it is characterised in that：Including 1 dot matrix LEDs, the light-emitting diodes
Pipe matrix be by 96 row, 48 row lamp bead according to rectangular array arrangement constitute, dot matrix LEDs possess 48 row inputs and
96 row inputs, its size are 256mm*128mm, and also including horizontal drive device, the horizontal drive device includes 6 for driving
The RT5958 chips of dynamic dot matrix LEDs, each RT5958 chip possess 1 DIN port, 8 output ports, 1
Vdd terminal mouth, 1 DOUT port, the DIN ports of the RT5958 chips of the first order are connected and receive decoding data with decoding equipment,
The DOUT ends of the RT5958 chips of previous stage are connected with the DIN ports of the RT5958 chips of rear stage, and 6 RT5958 chips have
48 output ports, this 48 output ports are connected one to one with 48 row inputs of dot matrix LEDs.
2. the luminous drive system of a kind of PX2 models according to claim 1, it is characterised in that：Dot matrix LEDs
In adjacent 2 lamp beads between gap be 2.66mm.
3. the luminous drive system of a kind of PX2 models according to claim 1, it is characterised in that：Also include the electricity of ground connection
Hold CS, the electric capacity CS is connected with vdd terminal mouth.
4. the luminous drive system of a kind of PX2 models according to claim 1, it is characterised in that：Also include that row drive dress
Put, output port and the dot matrix LEDs row input of row driving means connect one to one.
5. the luminous drive system of a kind of PX2 models according to claim 4, it is characterised in that：The row driving means
Including ICN2025 chips or/and ICN2038 chips, ICN2025 chips and ICN2038 chips are driving chip.
6. the luminous drive system of a kind of PX2 models according to claim 3, it is characterised in that：The electricity of the electric capacity CS
Capacity is 1uF.
7. the luminous drive system of a kind of PX2 models according to claim 1 or 2 or 3, it is characterised in that：The driving
The RT5958 chips of dot matrix LEDs and dot matrix LEDs are integrated on a pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748423.0A CN106531057A (en) | 2016-08-30 | 2016-08-30 | PX2-model luminescent driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748423.0A CN106531057A (en) | 2016-08-30 | 2016-08-30 | PX2-model luminescent driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106531057A true CN106531057A (en) | 2017-03-22 |
Family
ID=58343714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610748423.0A Pending CN106531057A (en) | 2016-08-30 | 2016-08-30 | PX2-model luminescent driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531057A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201391845Y (en) * | 2009-03-31 | 2010-01-27 | 重庆卓晖照明有限公司 | LED circuit and LED illuminating device with same |
| CN201563193U (en) * | 2009-12-01 | 2010-08-25 | 北京利亚德电子科技有限公司 | Display panel device of LED television |
| CN103646626A (en) * | 2013-12-27 | 2014-03-19 | 苏州天微工业技术有限公司 | Display screen and display screen matrix display driving method |
| CN105741755A (en) * | 2016-04-20 | 2016-07-06 | 深圳市明微电子股份有限公司 | LED display screen, display circuit and display control chip thereof |
-
2016
- 2016-08-30 CN CN201610748423.0A patent/CN106531057A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201391845Y (en) * | 2009-03-31 | 2010-01-27 | 重庆卓晖照明有限公司 | LED circuit and LED illuminating device with same |
| CN201563193U (en) * | 2009-12-01 | 2010-08-25 | 北京利亚德电子科技有限公司 | Display panel device of LED television |
| CN103646626A (en) * | 2013-12-27 | 2014-03-19 | 苏州天微工业技术有限公司 | Display screen and display screen matrix display driving method |
| CN105741755A (en) * | 2016-04-20 | 2016-07-06 | 深圳市明微电子股份有限公司 | LED display screen, display circuit and display control chip thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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