CN204178679U - A kind of voltage-operated device - Google Patents
A kind of voltage-operated device Download PDFInfo
- Publication number
- CN204178679U CN204178679U CN201420506843.4U CN201420506843U CN204178679U CN 204178679 U CN204178679 U CN 204178679U CN 201420506843 U CN201420506843 U CN 201420506843U CN 204178679 U CN204178679 U CN 204178679U
- Authority
- CN
- China
- Prior art keywords
- voltage supplying
- supplying module
- voltage
- input signal
- viewing area
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of voltage-operated device, comprises some voltage supplying modules, and described voltage supplying module is used for powering to the multiple luminescence units be arranged in rows; Clock signal connects up, and provides clock signal to voltage supplying module; Input signal connects up, and provides input signal at least one voltage supplying module; Connect up between voltage supplying module, connect the voltage supplying module of upstream and the voltage supplying module in downstream, the voltage supplying module of wherein said upstream passes through the functional circuit of its inside, the input signal received processes, form the input signal of the voltage supplying module in downstream, and transmit this signal by wiring between voltage supplying module.Such scheme adds the dirigibility of wiring, in specific application scenario, such as, in giant-screen scanning display, provides the benefit of the aspects such as the adaptability of voltage supply circuit, energy saving and stability.
Description
Technical field
The utility model relates to a kind of voltage-operated device, refers in particular to the voltage control circuit in the display device possessing the array that multiple light-emitting component is formed.
Background technology
Light-emitting diode display integrates lightweight, slimming and consumed power many advantages such as low, and the demand therefore in such as outdoor large display etc. promptly increases.Usually, light-emitting diode display forms by combining multiple LED unit, and this LED unit is configured as rectangular by the light emitting diode be formed on substrate.In addition, at light-emitting diode display, the driving circuit that can drive each light emitting diode is respectively set.Specifically, at light-emitting diode display, connect and each LED unit passed on respectively to each LED control device of display data, these be connect multiple and form a giant display.If light-emitting diode display becomes large-scale, then used LED unit increases, and in large-scale light-emitting diode display, such as, uses total 490,000 LED unit of longitudinally 700 × laterally 700.
The type of drive of light-emitting diode display uses dynamic driving mode usually.Such as when the LED unit be made up of m × n dot matrix, the anode terminal being positioned at each light emitting diode (LED) of each row is jointly connected to a pressure-wire, and the cathode terminal being positioned at each light emitting diode (LED) of each row is jointly connected to a current line.Then, by sequentially making the capable pressure-wire of m become conducting at both fixed cycles, show.In addition, the switching of the pressure-wire that m is capable, can such as according to address signal, be undertaken by decoding circuit.The existing LED display of light emitting diode is just used to be illustrated above, but, even at electric field illuminating display device, field emission type display device FED, liquid crystal etc., also can be driven by same driving circuit or method.
But, in the display device such as existing LED display, when lighting the light emitting diode be connected on selected pressure-wire, remain electric charge being connected to the light emitting diode on the pressure-wire be positioned under non-selected non-illuminating state, when selecting this pressure-wire, have so-called produce due to time non-selection the electric charge that remains and the problem of unwanted currents that causes.Due to the generation of this unwanted currents, become and make the light emitting diode controlling not carry out luminescence produce the wrong bright light of small luminescence or cannot obtain at display image the reason that sufficient lightness etc. reduces display qualities.This residual charge is not only light-emitting component, even if also can produce, even such as also become problem in the voltage controlled elements such as liquid crystal indicator having in the driven element be driven into as the stray capacitance of driving condition or non-driven state.In addition, this residual charge not only produces at element body, also the distribution etc. of element is being connected to, produce and remainingly become stray capacitance, therefore, the distribution particularly had along with large-scale display device etc. become longer and distribution becomes more time and make the tendency that residual charge also and then increases, the wrong bright light caused due to these residual charges or mistake display, mistake drives becomes problem.
Such as, the row cutting power tube often adopted in the driving circuit of LED display, as two P channel metal-oxide-semiconductor field (Metal-Oxide-Semiconductor Field-Effect-Transistor, initialism is MOSFET) 4953, its inside comprises separate two P-channel field-effect transistor (PEFT) pipe MOSFET1, MOSFET2, there is ultralow conducting resistance, drive two display lines.Fig. 1 shows 4953 and is arranged on situation in the horizontal drive circuit of the LED display of 1/4 scanning ranks sub-control.Wherein, horizontal drive circuit comprises the row being provided with binary weighting address and selects signal input part A0, the low effective row control line output terminal Y0 of A1 and mutual exclusion, Y1, Y2, the coding chip 74HC138 of Y3, and the two P channel mosfets 4953 be connected with coding chip 74HC138, its inside comprises two independently, P-channel field-effect transistor (PEFT) pipe MOSFET1, MOSFET2, the control pin 2 of output terminal Y0 and field effect transistor MOSFET1, namely the grid G 1 of field effect transistor MOSFET1 connects, the control pin 4 of output terminal Y1 and field effect transistor MOSFET1, namely the grid G 2 of field effect transistor MOSFET1 connects, the control pin 2 of output terminal Y2 and field effect transistor MOSFET2, namely the grid G 1 of field effect transistor MOSFET2 connects, the control pin 4 of output terminal Y3 and field effect transistor MOSFET2, namely the grid G 2 of field effect transistor MOSFET2 connects, field effect transistor MOSFET1 be connected 7, 8 pin be line output terminal H1, field effect transistor MOSFET1 be connected 5, 6 pin be line output terminal H2, field effect transistor MOSFET2 be connected 7, 8 pin be line output terminal H3, field effect transistor MOSFET2 be connected 5, 6 pin are line output terminal H4, line output terminal H1, H2, light emitting diode D1 on H3 and H4 shows concrete image respectively row with LED display, D2, the anode of D3 with D4 is connected, D1, D2, the negative electrode of D3 and D4 and constant-current LED drive integrated circult (not shown in Fig. 1, to provide electric current for giving the light emitting diode of gating) are connected.
Traditional power control circuit wiring in Fig. 1, needs coding chip 74HC138 to be decoded line of input address.The control drive singal wiring quantity of coding chip as all between 74HC138 to power supply control chip is numerous simultaneously, for the wiring of pcb board adds complexity.
Residual charge not only produces at element body, also the distribution etc. of element is being connected to, produce and remainingly become stray capacitance, therefore, the distribution particularly had along with large-scale display device etc. become longer and distribution becomes more time and make the tendency that residual charge also and then increases, the wrong bright light caused due to these residual charges or mistake display, mistake drives becomes problem.
Therefore, the purpose of this utility model is to provide and a kind ofly can reduces the impact because aforementioned residual charge causes and can realize display device and the driving method thereof of high display quality.
Utility model content
A technical scheme of the present utility model, provides a kind of voltage control circuit, comprising: some voltage supplying modules, and described voltage supplying module is connected with the multiple luminescence units be arranged in rows, and to its power supply; Clock signal connects up, and is connected, to provide clock signal to voltage supplying module with the clock signal input terminal of voltage supplying module; Input signal connects up, and is connected, to provide input signal to this voltage supplying module with the input signal end of at least one voltage supplying module; Connect up between voltage supplying module, it connects the voltage supplying module of upstream and the voltage supplying module in downstream, the voltage supplying module of wherein said upstream comprises inner functional circuit, the input signal that the functional circuit of this inside is received processes, to form the input signal of the voltage supplying module in downstream, and transmit this signal by wiring between voltage supplying module.
In another technical scheme of the present utility model, the voltage supplying module of upstream is adjacent with the voltage supplying module in downstream.
In another technical scheme of the present utility model, the voltage supplying module of upstream and the voltage supplying module in downstream non-conterminous.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least three row luminescence units, and each viewing area is powered by a voltage supplying module.
In another technical scheme of the present utility model, the number of the luminescence unit that adjacent viewing area comprises is not identical.
In another technical scheme of the present utility model, in two adjacent viewing areas, the number of the luminescence unit that viewing area comprises is odd number, and the number of the luminescence unit that another viewing area comprises is even number.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, two viewing areas corresponding to two the voltage supplying modules connected by a certain intermodule wiring, the number of the luminescence unit that these two viewing areas comprise is not identical.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, in two viewing areas of being connected up corresponding to two voltage supplying modules connecting by a certain intermodule, the number of the luminescence unit that viewing area comprises is odd number, and the number of the luminescence unit that another viewing area comprises is even number.
In another technical scheme of the present utility model, the frequency of described clock signal is the integral multiple of the frequency of described input signal.
In another technical scheme of the present utility model, the rising edge of described clock signal overlaps with the negative edge of described input signal.
In another technical scheme of the present utility model, the negative edge of described clock signal overlaps with the negative edge of described input signal.
In another technical scheme of the present utility model, the negative edge of described clock signal overlaps with the rising edge of described input signal.
In another technical scheme of the present utility model, the negative edge of described clock signal overlaps with the negative edge of described input signal.
In another technical scheme of the present utility model, the rising edge of described clock signal or negative edge can sample described input signal.
In another technical scheme of the present utility model, described input signal is line-sweep voltage signal.
In another technical scheme of the present utility model, described luminescence unit is OLED, LED or Field Emission Display.
In another technical scheme of the present utility model, described OLED or LED is matrix arrangement.
In another technical scheme of the present utility model, the functional circuit of described inside is clock delay circuit or displacement latch.
Another technical scheme of the present utility model, provides a kind of wiring method of voltage control circuit, comprises, and arranges some voltage supplying modules, and described voltage supplying module is used for powering to the multiple luminescence units be arranged in rows; Clock signal wiring is set, to provide clock signal to voltage supplying module; Input signal wiring is set, to provide input signal at least one voltage supplying module; Arrange between voltage supplying module and connect up, with the voltage supplying module of the voltage supplying module and downstream that connect upstream, the voltage supplying module of wherein said upstream passes through the functional circuit of its inside, the input signal received processes, to form the input signal of the voltage supplying module in downstream, and transmit this signal by wiring between voltage supplying module.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, two viewing areas corresponding to two the voltage supplying modules connected by a certain intermodule wiring, the number of the luminescence unit that these two viewing areas comprise is not identical.
In another technical scheme of the present utility model, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, in two viewing areas of being connected up corresponding to two voltage supplying modules connecting by a certain intermodule, the number of the luminescence unit that viewing area comprises is odd number, and the number of the luminescence unit that another viewing area comprises is even number.
In another technical scheme of the present utility model, the negative edge of described clock signal overlaps with the negative edge of described input signal.
In another technical scheme of the present utility model, the rising edge of described clock signal or negative edge can sample described input signal.
In another technical scheme of the present utility model, described input signal is line-sweep voltage signal.
In another technical scheme of the present utility model, described luminescence unit is OLED or LED.
In another technical scheme of the present utility model, the functional circuit of described inside is clock delay circuit or displacement latch.
In the utility model, residual charge refers to and typical case results from parasitic capacitance component is inherent charge element, but, even parasitic capacitance component be not interior driven element, also at distribution being connected to this element etc. or periphery, exist with the form of so-called stray capacitance and produce.So-called like this residual charge has along with the tendency that wiring lengths is longer, distribution number more increases and increases, and therefore, the wrong bright light caused due to these residual charges or mistake drive or mistake shows, faulty operation also increases.
In the utility model, also can comprise the residual charge that the connection wiring for this kind of driven element produces and remove, can foregoing problems be solved.In addition, the operational relation the most suitably driven between initial stage operating voltage or driving initial stage operating current etc. at this driven element is made due to used driven element, the most suitable residual charge amount when starting is driven to dissimilate, but, when removing residual charge, if residual charge can be removed and until till this kind of aforementioned operation drives and become the optimal required quantity of electric charge, and can residual charge be removed and become make faulty operation or mistake drive, mistake luminescence etc. is reduced to the words of the degree till the level that there is not problem in practical use, then become abundant, and the residual charge not needing certain removing whole.
As typical case, preferably when such as light emitting diode, can all to remove and until till residual charge unrestrictedly becomes the degree of zero, can remove the residual charge of which kind of degree, be can by suitably regulating required load or charging element, even rectifier etc. and carrying out designing and adjusting.
In addition, the residual charge that the utility model is mentioned, certainly due to and driven element between relation, even for positive and negative a certain residual charge, also correspondence can be carried out, also can form the bias voltage by suitably setting charge-discharge control circuit and not only remove residual charge, and, also remaining in contrast to inverse electric charge when driving.Such as, when driven element by have rectified action rectifier cell (typical case being diode, even light emitting diode) form, reverse blas electric charge when also can set the remaining driving in contrast to driven element by charge-discharge control circuit of the present utility model, as residual charge, is formed and to be undertaken by extra current pick-up unit driving, carries out detecting, confirms, checks simultaneously for the leakage current of rectifier cell.
So-called rectangular in the utility model, the arrangement can be such as the some the linear alignment of only 1 row or only 1 row, 1 row 1 arranges, being namely only made up of 1 driven element is also contained in this.The saying of so-called matrix not performance global shape, does not need the necessity necessarily becoming square mesh shape, and therefore, can become can in bending and flexibly carry out the configuration of change of shape.If the connection form connected is rectangular connection, no matter shape, the form of then reality.But, if also comprise true form and become rectangular, then can carry out the distribution of charge-discharge control circuit easily, therefore become more desirable.
Advantage of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can by instructionss below, claims, and in accompanying drawing, specifically noted structure realizes and obtains.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of power control circuit wiring in traditional LED display system
Fig. 2 is the schematic diagram of optimization power control circuit of the present utility model wiring
Fig. 3 is the schematic diagram of the latch exported by the data signal shift of serial connection
Fig. 4 is the sequential chart of coherent signal
Fig. 5 is the schematic diagram of another embodiment of the present utility model
Embodiment
Describe embodiment of the present utility model in detail below with reference to drawings and Examples, to the utility model, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the utility model and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection domain of the present utility model.
First, the topological design of voltage control circuit in traditional LED display, as can be seen from Figure 1.Tradition LED scans during display screen drives the line using scanning decoding scheme to output to power control circuit and controls drive singal, and the fundamental sum number of scanning lines is consistent, such as sweeps LED 1/16 and scans on display screen, must walk 16 lines.This just makes when LED scans display screen pitch smaller, when pcb board wiring space becomes close, control drive singal number directly can affect performance and the efficiency of wiring.
An embodiment of the present utility model, obtains detailed elaboration in fig. 2.Fig. 2 describes the structural drawing of a voltage control circuit, this voltage control circuit provides some voltage supplying modules (voltage supplying module 1 namely in figure, voltage supplying module 2 etc.), described voltage supplying module is connected with the multiple luminescence units be arranged in rows, and to its power supply (namely to the luminescence unit service voltage V1 of arrangement in a row, V2, V3, V4 etc.), for simplicity, not shown luminescence unit and array thereof, but those skilled in the art should understand, the voltage of voltage supplying module exports and is connected with luminescence unit, and luminescence unit arrangement in a row often.The voltage that such as voltage supplying module 1 provides exports V1, is the luminescence unit of supply the first row, and by that analogy, voltage exports V2, is the luminescence unit of supply second row.
Clock signal wiring 2, is connected with the clock signal input terminal of voltage supplying module, to provide clock signal to voltage supplying module.The upstream of clock signal wiring 2, can be connected with clock generator, or obtain clock pulse signal accurately from other parts.Preferably, the cycle of clock signal can be consistent with the line period of scan-type display screen, sends pulsatile once when every line scanning.
Input signal wiring 1, be connected with the input signal end of at least one voltage supplying module, to provide input signal to this voltage supplying module, control voltage supplying module is to luminescence unit service voltage; In input signal wiring 1, transmission be periodic signal, it is consistent with scanning display screen frame rate.Such as, the input signal of the first row, sends when the first row of each frame starts to scan once, if scanning display screen is 16 to sweep, the first row within 16 horizontal-scanning intervals sends once sweep time, and the first row scanning in next 16 horizontal-scanning intervals sends once again, by that analogy.Cabling scenario traditionally, each voltage supplying module needs from external reception one road input signal, voltage supplying module corresponding to the first row needs to receive the input signal corresponding with the scanning sequence of the first row, the voltage supplying module that the third line is corresponding needs to receive the input signal corresponding with the scanning sequence of the third line, this brings great burden to wires design, and the impact of the stray capacitance of the numerous and diverse and association of wiring, significantly reduce the quality of display.The relation in sequential is there is between input signal due to different rows, the input signal of such as the first row and two, the input signal interval of the third line line period, the input signal that therefore can be received by upstream voltage supplying module, convert through sequential, obtain the input signal needed for the voltage supplying module of downstream, so just greatly save outside wiring.
3 are connected up between voltage supplying module, it connects the voltage supplying module (as voltage supplying module 1) of upstream and the voltage supplying module (as voltage supplying module 2) in downstream, be notably, between voltage supplying module, wiring 3 is connected with the output port Dout of the voltage supplying module of upstream, and be connected with the input port Din of the voltage supplying module in downstream, play the effect at intermodule transmission of signal.
As required, the signal at Din and the Dout place of voltage supplying module, the relation in life period.That is the signal that the signal exported from Din exports to Dout, have passed through a change.This conversion is completed by the functional circuit of voltage supplying module inside.The input signal that the functional circuit of this inside is received processes, and to form the input signal of the voltage supplying module in downstream, and transmits this signal by wiring between voltage supplying module.Fig. 3 gives an exemplary description of functional circuit.By with the aiming at of clock signal, and by conversion, be such as shifted latch, such as signal delay etc.Din signal is postponed relative to the signal at Dout place backward, and Fig. 4 gives an exemplary signal timing diagram.
In the layout-design of Fig. 2, the voltage supplying module of upstream is adjacent with the voltage supplying module in downstream.In order to the convenience connected up, the voltage supplying module of upstream and the voltage supplying module in downstream can also be non-conterminous, such as the first voltage supplying module provides signal to export to tertiary voltage supplying module, second voltage supplying module provides signal to export to the 4th voltage supplying module, by that analogy, a voltage supplying module is at least spaced between the voltage supplying module of upstream and the voltage supplying module in downstream.This voltage supplying module be staggeredly arranged can avoid the crosstalk between module.
In another embodiment of the present utility model, the luminescence unit columns of each voltage supplying module load is different.This arrangement can stabilize the stochastic error of signal delay effectively.In the technical scheme of Fig. 5, the first voltage supplying module is powered to the first row luminescence unit and the second row luminescence unit, and the second voltage supplying module is powered and fifth line luminescence unit to the third line luminescence unit, fourth line luminescence unit, the like.From top to bottom, the columns of the luminescence unit of each voltage supplying module institute load is followed successively by 2,3,2,3,2,3 ... according to the actual needs, the change of above-mentioned columns can also arrange more complicated Changing Pattern.Such as in display applications occasion (the outdoor jumbo LED display of oversize, or Circamara, huge curtain 3D Cine mode screen etc., such as P10, P16 and drive with the giant-screen such as upper), can also carry out layout targetedly according to the visual custom of human eye, the columns of the luminescence unit of the voltage supplying module institute load of such as upper area is less than the columns of the luminescence unit of the voltage feed unit institute load of bottom.
In another embodiment of the present utility model, logic control circuit can also be set in voltage supplying module, make the voltage of the luminescence unit of same voltage supplying module institute load not overlapping, avoid the luminescence unit in blocks or continuous a few row that the mistake due to signal causes to be lighted simultaneously, thus burn out chip or circuit board.Such as, can logical circuit be set, make the voltage signal of such as the first row and the voltage signal of the second row be the relation of negate in logic, or both pulse sequences exists interval.At least do not have overlapping, thus light while effectively avoiding contiguous luminescence unit.After knowing this principle, those skilled in the art can arrange concrete logic circuit structure, therefore repeats no more herein.
The scope of application of the present utility model is very extensive, and such as, in the display device of scan-type, such as liquid crystal display, such as plasma display, such as OLED and LED array show.Voltage supply mode of the present utility model can make wiring have great elasticity, and is integrated in the voltage supplying module of connection by the defencive function of contiguous display line, and does not need to arrange protection module of overall importance, decreases the design overhead of system.
The utility model by increasing signal displacement or delay circuit in voltage supply circuit, decrease wiring, more importantly, increase the dirigibility of wiring, make in specific application scenario, such as, in giant-screen scanning display, add the adaptability of power-supply circuit, and provide benefit in power consumption, stability etc.
Although the embodiment disclosed by the utility model is as above, the embodiment that described content just adopts for the ease of understanding the utility model, and be not used to limit the utility model.Technician in any the utility model art; under the prerequisite not departing from the spirit and scope disclosed by the utility model; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present utility model, the scope that still must define with appending claims is as the criterion.
Claims (8)
1. a voltage-operated device, is characterized in that comprising:
Some voltage supplying modules, described voltage supplying module is connected with the multiple luminescence units be arranged in rows, and to its power supply;
Clock signal connects up, and is connected, to provide clock signal to voltage supplying module with the clock signal input terminal of voltage supplying module;
Input signal connects up, and is connected, to provide input signal to this voltage supplying module with the input signal end of at least one voltage supplying module;
Connect up between voltage supplying module, it connects the voltage supplying module of upstream and the voltage supplying module in downstream, the voltage supplying module of wherein said upstream comprises inner functional circuit, the input signal that the functional circuit of this inside is received processes, to form the input signal of the voltage supplying module in downstream, and transmit this signal by wiring between voltage supplying module.
2. control device as claimed in claim 1, it is characterized in that, the voltage supplying module of upstream is adjacent or non-conterminous with the voltage supplying module in downstream.
3. control device as claimed in claim 2, is characterized in that, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module.
4. control device as claimed in claim 3, it is characterized in that, the number of the luminescence unit that adjacent viewing area comprises is not identical.
5. control device as claimed in claim 3, is characterized in that, in two adjacent viewing areas, the number of the luminescence unit that viewing area comprises is odd number, and the number of the luminescence unit that another viewing area comprises is even number.
6. control device as claimed in claim 1, is characterized in that, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, two viewing areas corresponding to two the voltage supplying modules connected by a certain intermodule wiring, the number of the luminescence unit that these two viewing areas comprise is not identical.
7. control device as claimed in claim 1, is characterized in that, the multiple luminescence units be arranged in rows are divided into some viewing areas; Wherein, each viewing area comprises at least two row luminescence units, and each viewing area is powered by a voltage supplying module; Further, in two viewing areas of being connected up corresponding to two voltage supplying modules connecting by a certain intermodule, the number of the luminescence unit that viewing area comprises is odd number, and the number of the luminescence unit that another viewing area comprises is even number.
8. a chip, is characterized in that the control device comprised as described in one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506843.4U CN204178679U (en) | 2014-09-03 | 2014-09-03 | A kind of voltage-operated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506843.4U CN204178679U (en) | 2014-09-03 | 2014-09-03 | A kind of voltage-operated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178679U true CN204178679U (en) | 2015-02-25 |
Family
ID=52567467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506843.4U Expired - Fee Related CN204178679U (en) | 2014-09-03 | 2014-09-03 | A kind of voltage-operated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204178679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240640A (en) * | 2014-09-03 | 2014-12-24 | 张谦 | Voltage control circuit and wiring method thereof |
-
2014
- 2014-09-03 CN CN201420506843.4U patent/CN204178679U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240640A (en) * | 2014-09-03 | 2014-12-24 | 张谦 | Voltage control circuit and wiring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105575333B (en) | OLED display and source electrode driver | |
| CN102592539B (en) | Emission control line drive and use the organic light emitting display of this driver | |
| CN103137207B (en) | Shift temporary storage device | |
| CN201057388Y (en) | Linear LED screen | |
| CN101246669B (en) | Scanning type LED display unit and method | |
| CN101976551B (en) | Display driving circuit, liquid crystal display and display driving method | |
| CN102044216B (en) | LED display system and LED driving circuits | |
| CN203910234U (en) | An LED power supply control circuit | |
| CN202632720U (en) | LED (light emitting diode) display panel driving device, display system and equipment | |
| CN102006696B (en) | Light-emitting diode backlight drive circuit, method and constant current source thereof | |
| CN103165075B (en) | Driving circuit of light emitting diode and method thereof | |
| CN103813579B (en) | Light emitting diode driving circuit and driving system of light emitting diode | |
| CN104050909A (en) | Display device and scanning line driver | |
| CN105096791B (en) | Multiplex driver and display device | |
| CN204178679U (en) | A kind of voltage-operated device | |
| CN110379363A (en) | The driving method and its driving device of display panel, display device | |
| CN101751861A (en) | LED display device | |
| CN105976752A (en) | Scanning method of high refresh rate 1/64 scanning P4 full color LED display module group | |
| CN104240640A (en) | Voltage control circuit and wiring method thereof | |
| CN104537986A (en) | LED module, control method of LED module, and LED drive circuit | |
| CN102142230B (en) | LED (Light Emitting Diode) scanning screen blanking method, device and LED scanning screen | |
| CN202584687U (en) | Data driving circuit of micro-current type active matrix organic light emitting diode (AMOLED) display | |
| CN107093400B (en) | LED display device and driving method thereof | |
| CN105528991A (en) | LED scanning control display unit | |
| CN201007901Y (en) | Scanning type LED display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HUATIAN RUICAI TECHNOLOGY DEVELOPMENT CO. Free format text: FORMER OWNER: JIAN YI Effective date: 20150212 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518028 SHENZHEN, GUANGDONG PROVINCE TO: 518033 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150212 Address after: 518033 Guangdong city of Shenzhen province Futian District Futian Street Shennan Road Jiejia building 2223 Patentee after: SHENZHEN HUATIAN RUICAI TECHNOLOGY DEVELOPMENT CO., LTD. Address before: Futian District Yuanling village Shenzhen city Guangdong province 518028 No. 101 Patentee before: Jian Yi |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20150903 |
|
| EXPY | Termination of patent right or utility model |