CN102446490A - Active type low-power-consumption display system of organic light emitting diode - Google Patents
Active type low-power-consumption display system of organic light emitting diode Download PDFInfo
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Abstract
The invention relates to an active type low-power-consumption display system of an organic light emitting diode. The low-power-consumption display system comprises a plurality of home-made CMOS (complementary metal oxide semiconductor) integrated circuit modules, such as a power consumption control module, an organic light emitting diode pixel array driving module, a line driving module and a column driving module, wherein the power consumption control module is used for managing the power consumption of the line driving module and the column driving module and the consumption of a plurality of organic light emitting diode pixel subarray driving circuits, two optional low-power-consumption display modes are provided so as to reduce the power consumption of the whole display system. The power consumption of an organic light emitting diode pixel element driving circuit which is of a low-power-consumption structure is half of the power consumption of a common driving circuit. The low-power-consumption display system is mainly applied to small-sized screens and mini screens.
Description
Technical field
The present invention relates to a kind of low-power consumption display system of active silicon-based organic light-emitting diode.
Background technology
Silicon-based organic light-emitting diode (OLED-on-Silicon, Organic Light Emitting Diode on Silicon) technology is meant, a kind of display device production technology that this diode is combined with the monocrystalline silicon piece integrated circuit.Advantages such as Organic Light Emitting Diode has low-power consumption, autoluminescence, wide visual angle, cost is low, thermal adaptability good, response speed is fast are high-end display techniques emerging in the world today.Organic Light Emitting Diode production on the monocrystalline silicon piece integrated circuit, is convenient to large-scale production, and cost is lower.Active (AM, Active Matrix) is a kind of type of drive, and this type of drive can independently be controlled each pixel, and does not have influence on other pixels.Active silicon-based organic light-emitting diode display system may be used on fields such as wear-type demonstration, pocket computer, virtual reality demonstration, medical electronics, military project electronics.At present, the Samsung company of Korea S maintains the leading position in small size display screen field, and the IBM Corporation of the U.S. cooperates to maintain the leading position in the little demonstration of OLED field with eMagin company; Domesticly also be in the starting stage in active silicon-based organic light-emitting diode display system field.
Low-power Technology is one of gordian technique in the modern integrated circuits design.Along with IC design is widely applied to mobile device, consumer electronics field, power consumption becomes a main trade-off factor.Present existing active silicon-based organic light-emitting diode display system; Its defective is; Only rely on the low-power consumption characteristic of Organic Light Emitting Diode itself to reduce the power consumption of whole display system; And do not reduce power consumption from aspects such as system architecture and pixel cell driving circuit structures, can not effectively reduce the display system power consumption like this.
Summary of the invention
The objective of the invention is to defective to the prior art existence; A kind of low-power consumption Organic Light Emitting Diode display system is provided; Two gordian technique points have been solved: first; The invention provides a kind of low power consumption control modular circuit of display system, the second, the invention provides a kind of driving circuit of driven silicon-based organic light-emitting diode of low-power consumption.
For achieving the above object, design of the present invention is:
Target of the present invention is the low-power consumption display system of active silicon-based organic light-emitting diode.The low-power consumption display system of active silicon-based organic light-emitting diode and the difference of common silica-based organic light emitting diode display are; Low-power consumption, on-screen display (osd) area alternative are closed, information source off state sub-screen keeps showing; And only can't the accomplishing the regional area energising of screen and show of common organic light emitting diode display, and stopped letting under the situation screen keep show state in signal source.Panel generally at several ten thousand square millimeters to hundreds of thousands square meter square millimeter; Receive cost impact; Can't driving circuit and display device be integrated on the same silicon chip, common organic light emitting diode display generally is integrated on the glass substrate, relies on outside chip for driving to carry out luminous.
The present invention has designed a kind of low-power consumption display system, can significantly reduce the power consumption of general display system.Whole display system is through the power consumption control signal of outside input, via the power consumption of power consumption control device module coordinated management display system.Design of the present invention and conventional display system have 3 different: first point; Screen of the present invention is divided into a plurality of sub-screens zone; Rather than single monoblock screen area; Pel array according to the outside input of system turn-offs chip selection signal, regulates the duty in each sub-screen zone, thereby plays the effect that reduces power consumption; Second point, pixel battle array horizontal drive circuit of the present invention can keep current screen picture under holding state, and at this moment information source system and row, column drive circuit all can quit work, and need not refresh, thereby reduce whole display system power consumption; Thirdly, organic light-emitting diode pixel battle array horizontal drive circuit of the present invention is different with pixel cell driving circuit in the past, can practice thrift half power consumption, reduces half data line.
Used power remove technology (MTCMOS Power Gating) among the present invention; Use the MTCMOS device to constitute the off-main switches module; Power supply through the input of MTCMOS device, can Push And Release two states between switch the power supply of module through the conducting of controlling the MTCMOS device by external power source.The power supply of Organic Light Emitting Diode sub-screen is divided into four groups by its physical region position, and power consumption control module receives the power consumption control instruction from information source, produces corresponding control signal and goes to open or the powered-down stopcock.
According to above-mentioned inventive concept, the present invention adopts following technical scheme:
A kind of low-power consumption display system of active silicon-based organic light-emitting diode; It is characterized in that whole display system all can carry out low power consumption control; Display screen is divided into four sub-display screens, is integrated on the monocrystalline silicon silicon by organic light emitting diode device, and transistors all in the organic light emitting diode pixel-driving circuit are all worked with the digital switch mode; " opening " and " pass " two states is only arranged, and this driving circuit has the characteristic of low-power consumption; Said low-power consumption display system comprises:
(1) the organic light emitting diode screen is combined by first sub-screen, second sub-screen, the 3rd sub-screen and four Organic Light Emitting Diode sub-screens of the 4th sub-screen; Each sub-screen is formed by a plurality of organic light emitting diode pixel cell driving circuits, is used for color display;
(2) power consumption control module circuit is controlled the power consumption of whole display system;
(3) column drive circuit is used to produce and preserve the column data signal of organic light emitting diode pel array;
(4) horizontal drive circuit is used to produce and preserve the capable gating signal of each organic light emitting diode sub-array of pixels;
(5) silicon-based organic light-emitting diode pixel cell driving circuit is used to produce the anode voltage of organic light-emitting diode pixel unit, and it is luminous to drive organic LED array;
Said organic light emitting diode pixel cell driving circuit is formed first sub-screen, second sub-screen, the 3rd sub-screen and the 4th sub-screen; Said four sub-screens are formed an organic light emitting diode screen, and this organic light emitting diode screen connects power consumption control module circuit, horizontal drive circuit, column drive circuit; Ranks power consumption control signal inserts ranks power consumption control device; Pixel power consumption control signal incoming pixel array power consumption controller; Pixel data inserts column drive circuit; The row decoding signal inserts horizontal drive circuit; Row shift signal, column reset signal insert column drive circuit respectively; Row decoding signal, row cache signal, row reset signal insert horizontal drive circuit respectively.
The low-power consumption display system of said active silicon-based organic light-emitting diode; It is characterized in that; Said power consumption control module circuit is divided into ranks power consumption control device and pel array power consumption control device two parts, and ranks power consumption control device is used to manage the power supply power consumption of horizontal drive circuit and column drive circuit; Pel array power consumption control device is used to manage the power supply power consumption of each sub-screen, thereby reduces the power consumption of whole screen.
The low-power consumption display system of described a kind of active silicon-based organic light-emitting diode; It is characterized in that; Said silicon-based organic light-emitting diode screen is divided into four sub-screens, and each sub-screen all can carry out power managed, does not need just can close in luminous at the sub-screen that has.
The low-power consumption display system of described a kind of active silicon-based organic light-emitting diode is characterized in that, said organic light emitting diode pixel cell driving circuit, power consumption and pixel data transmission line have all reduced half the; Said organic light emitting diode pixel cell driving circuit is formed by connecting low-power consumption static store circuit and Voltag driving circuit two parts, and the power consumption of said low-power consumption static store circuit is the half the of general standard 6 transistor memory unit power consumptions; Said low-power consumption static store circuit has only used a data lines, is the half the of general standard 6 transistor memory unit data line quantity, reduces the wiring difficulty, reduces capacitance resistance, practices thrift power consumption; By the form of a plurality of said organic light emitting diode pixel cell driving circuits according to matrix array; Be arranged into first sub-screen, second sub-screen, the 3rd sub-screen and four Organic Light Emitting Diode sub-screens of the 4th sub-screen respectively, said four Organic Light Emitting Diode sub-screens are formed an organic light emitting diode screen; On said array, generate one deck organic light emitting diode pixel, constitute silicon-based organic light-emitting diode screen; Said organic light emitting diode pixel comprises three kinds of colors: red, green, blue; Said redness, green, blue pixel are arranged according to general display picture element arrangement regulation; Said organic light emitting diode screen connects horizontal drive circuit, column drive circuit, power consumption control module circuit.
Described power consumption control module; It is characterized in that, introduce ranks power consumption control signal, the opening and shutting off of the power supply through power consumption control module decision column drive circuit and horizontal drive circuit from information source; Close at information source system; No longer need the ranks driving circuit to continue to close the power supply of interlock circuit under the state of operation, reduce the power consumption of this part of module.Under this state, these four Organic Light Emitting Diode sub-screens of first sub-screen, second sub-screen, the 3rd sub-screen and the 4th sub-screen can be selected the maintenance "on" position, and the last frame data that information source is seen off are continued to show.
Described pel array power consumption control device; It is characterized in that, the electric power network of pixel unit array is divided into from same primary power but mutually independently four groups separately, provide array chip to turn-off by information source and select signal; Divide other to open and shut off through Power_Switch_A and four groups of power supplys of Power_Switch_B decision pixel unit array; Four groups of whole gatings of power supply under the default conditions, pixel unit array is all worked, when information source system gets into standby or idle state; Optionally close wherein the power supply of a group or several groups according to the demand that screen message is shown; Display message on the pel array of still opening only reduces the power consumption of whole pixel unit array, and column drive circuit and horizontal drive circuit need keep duty under this state.
Described organic light emitting diode pixel cell driving circuit is characterized in that, said pixel cell driving circuit has:
1) 6 input pins: row gating signal, column data signal, test pixel signal, static memory power vd D_SR_SD, ground connection GND, pixel anode power vd D_OLED_SD;
2) 1 output pin: be used to drive the corresponding organic light emitting diode pixel;
3) 1 low-power consumption static memory is made up of 5 N channel enhancement mos field effect transistor and 3 P-channel enhancement type mos field effect transistor;
4) 1 Voltag driving circuit is made up of 1 P-channel enhancement type mos field effect transistor; This transistorized source end and substrate meet pixel anode power vd D_OLED_SD; The said low-power consumption static memory output of grid termination signal, drain terminal is connected to machine light emitting diode pixel anode.
The low-power consumption display system of described active silicon-based organic light-emitting diode is characterized in that, said horizontal drive circuit comprises: a line decoder is used for treating the decoded signal conversion gating signal of embarking on journey; A row cache device is used for the storage line gating signal, and synchronous with global clock.
The low-power consumption display system of described active silicon-based organic light-emitting diode is characterized in that, said column drive circuit only has a column data shift register module to constitute, and said column data shift register module has 45 inputs, 1440 outputs; Said column data shift register module has 45 group of 32 bit serial shift register, and is separate between each group, connects 1 input signal respectively; The output of each d type flip flop connects 1 output signal, 45 groups of totally 1440 outputs respectively in the 32 bit serial shift registers; Column drive circuit connects pixel data signal, row shift signal, column reset signal; When the set of column reset signal, remove the data in the shift register; When the set of row shift signal, with the pixel data signal shift LD; When the reset of row shift signal, suspend the pixel data signal displacement.
Described horizontal drive circuit is characterized in that, said line decoder is a N input, non-2
NThe code translator of (N is an integer) output is with said decoded signal decoding output, the formation row gating signal treated.Said row cache device is the buffer of a N input, N output; At a global clock in the cycle; It is synchronous to go gated data and global clock; The row cache device connects row reset signal, row cache signal, and the data in the buffer are removed in the set of row reset signal, and the set of row cache signal is with the synchronization line gating signal.
The present invention has following conspicuous substantive distinguishing features and remarkable advantage compared with prior art:
First; The present invention has done four part optimised power consumptions to display system, comprises the optimised power consumption of organic light emitting diode pixel cell driving circuit, the optimised power consumption of organic light emitting diode screen; The optimised power consumption of horizontal drive circuit, and the optimised power consumption of column drive circuit.Designed power consumption control module, respectively first sub-screen, second sub-screen, the 3rd sub-screen, the 4th sub-screen, horizontal drive circuit, this three partial circuit of column drive circuit have been carried out optimised power consumption, can independently control.Designed a kind of novel organic light-emitting diode pixel cell driving circuit; Can practice thrift half the than common organic diode pixel cell driving circuit power consumption of giving out light; And traditional digital drive circuit uses standard 6 pipe static memory structures; The general data line quantity of using is a times of memory circuitry of the present invention, and it is not low therefore to design power consumption.
Second; The mentality of designing of saving power consumption of the present invention not only can be divided into four sub-screens with the Organic Light Emitting Diode screen, also can be according to the actual conditions needs; The Organic Light Emitting Diode screen is divided into more sub-screen, thereby controls the power consumption of display system better.
The 3rd, the present invention has adopted the digital drive method, and transistor only is operated under " opening " and " pass " two states; Complex circuit designs degree and difficulty have been alleviated on the one hand; Can come to control more accurately and efficiently display gray scale through numerical approach on the other hand, and the conventional analogue driving circuit has utilized transistorized linear work district and operate in saturation district, most of circuit needs electric capacity; Partial circuit needs resistance; Increase circuit complexity on the one hand, cannot say for sure to demonstrate,prove the consistance of driving circuit on the other hand, therefore also cannot say for sure to demonstrate,prove the accuracy of gray-scale Control.
The 4th, the present invention can support fractal scanning, has increased transfer efficiency, has reduced the conventional digital scan method clock frequency is required too high requirement, and the senior gray scale that can easily accomplish under the high definition resolution shows.
The 5th, the mentality of designing of saving power consumption of the present invention not only can be applied to can also be applied on other various display devices on the silicon-based organic light-emitting diode display system screen.
Description of drawings
Fig. 1 is the power loss block diagram of active silicon-based organic light-emitting diode low-power consumption display system.
Fig. 2 is the circuit structure block diagram of active silicon-based organic light-emitting diode low-power consumption display system.
Fig. 3 is a positive supply power consumption control device block diagram.
Fig. 4 is a negative supply power consumption control device block diagram.
Fig. 5 is an organic light emitting diode sub-screen structured flowchart.
Fig. 6 is an organic light emitting diode pixel-driving circuit structured flowchart.
Fig. 7 is a horizontal drive circuit modular structure block diagram.
Fig. 8 is a column drive circuit modular structure block diagram.
Embodiment
The preferred embodiments of the present invention accompanying drawings is following:
Embodiment one:
As depicted in figs. 1 and 2; Organic light emitting diode screen 105 is combined by first sub-screen 101, second sub-screen 102, the 3rd sub-screen 103 and 104 4 Organic Light Emitting Diode sub-screens of the 4th sub-screen, and the pixel cell driving circuit 204 that said Organic Light Emitting Diode sub-screen is arranged by matrix array constitutes.Said organic light emitting diode pixel cell driving circuit 204 is formed by connecting low-power consumption static store circuit 306 and Voltag driving circuit 307 two parts.Said organic light emitting diode screen 105 connects power consumption control module 201, horizontal drive circuit 203, column drive circuit 202.
As shown in Figure 5, on said organic light emitting diode screen 105, generate one deck organic light emitting diode pixel, constitute silicon-based organic light-emitting diode screen.Said organic light emitting diode pixel comprises three kinds of colors: red, green, blue; Said redness, green, blue pixel are arranged according to general display picture element arrangement regulation.
As shown in Figure 6, said pixel cell driving circuit 204 has:
6 input pins: row gating signal 420, column data signal 423, test pixel signal 424, static memory power vd D_SR_SD 406, ground connection GND 410, pixel anode power vd D_OLED_SD 407;
1 output pin: be used to drive the corresponding organic light emitting diode pixel.
Said pixel cell driving circuit 204 is made up of 1 low-power consumption static store circuit 306 and 1 Voltag driving circuit 307.
Said low-power consumption static store circuit 306 is made up of 5 N channel enhancement mos field effect transistor and 3 P-channel enhancement type mos field effect transistor;
Said Voltag driving circuit 307 is made up of 1 P-channel enhancement type mos field effect transistor; This transistorized source end and substrate meet pixel anode power vd D_OLED_SD 407; The said low-power consumption static store of grid termination circuit 306 output signals, drain terminal is connected to machine light emitting diode pixel anode.
Embodiment two:
Referring to Fig. 1; It is characterized in that comparing traditional luminous array of display has increased power consumption control module 201 and relevant low energy-consumption electronic device unit, and the display system main functional modules all receives power consumption control module 201 controls like the power supply of four organic light emitting diode sub-screens, horizontal drive circuit 203 and column drive circuit 202; Said circuit comprises:
(1) each Organic Light Emitting Diode sub-screen includes low-power consumption static store circuit 306 and Voltag driving circuit 307 two parts, is used to store the shows signal from horizontal drive circuit 203 and column drive circuit 202 with low-power consumption static store circuit 306.Voltag driving circuit 307 is by B-power VDD_OLED_SD 407 and cathode power VCATHODE 409 driven for emitting lights;
(2) horizontal drive circuit 203 and column drive circuit 202; Be used to produce the capable gating signal 420 of organic light-emitting diode pixel array and show the effect signal; Add column signal isolated location 404 on the connecting path of column drive circuit 202 and each Organic Light Emitting Diode sub-screen, add the Signal Spacing unit 405 of entering a profession on the connecting path of horizontal drive circuit 203 and each Organic Light Emitting Diode sub-screen;
(3) power consumption control module 201, receive the power consumption control instruction from information source, the running of control low-power consumption related device unit;
(4) power remove device Power_Switch_A 401, Power_Switch_B 402 and Power_Switch_C 403, the supply of Signal Spacing unit external power source.
When information source system is prepared to close; Can send lasting idsplay order to power consumption control module 201; Power consumption control module 201 keeps the opening of Power_Switch_A 401, Power_Switch_B 402; Pixel unit array continues to keep "on" position; Information source is seen the frame data that need to continue demonstration off before closing, 202 decodings refresh the data in the pixel unit array with column drive circuit by horizontal drive circuit 203, and power consumption control module 201 is turn-offed through Sleep_B 422 control Power_Switch_C 403 the ranks decoding scheme is cut out subsequently; The synchronous signal isolated location cuts off the path between horizontal drive circuit 203, column drive circuit 202 and each the Organic Light Emitting Diode sub-screen, stops not stationary state to be propagated.In this moment system only pixel unit array and power consumption control module 201 still switch on, comprise that all devices of information source and ranks driving circuit all turn-offs.
Embodiment three:
Present embodiment and embodiment two are basic identical, and special feature is following:
Pixel unit array as shown in Figure 1 evenly is divided into four rectangular areas by area; Each panel region is 480 * 200 according to its resolution of definition of screen resolution; Four sections and electric power network be divided into separately mutually independently four groups; Every group has two pairs of working powers, is respectively static memory positive supply VDD_SR_SD 406 and ground connection GND 410, and the positive supply VDD_OLED_SD 407 and negative supply VCATHODE 409 of organic light-emitting diode pixel; Wherein VDD_SR_SD 406, VDD_OLED_SD 407 provide via MTCMOS by outside general supply VDD_SR, VDD_OLED, are intended to make it can turn-off operation.
In each group; VDD_SR_SD 406 is by two Power_Switch_A, 401 controls; VDD_OLED_SD 407 is by Power_Switch_B 402 controls; Power_Switch_A 401 and Power_Switch_B 402 share same Sleep_A 421 signals; Sleep_A 421 signals possibly done reverse process before inserting the MTCMOS unit, shown in Fig. 3 and Fig. 4, the VSS power consumption is turn-offed unit (Footer Power Switch) Sleep_A is provided 421 signals; The VDD power consumption is turn-offed unit (Header Power Switch) Sleep_A is provided the complementary signal of 421 signals, Sleep_A 421 cuts off the power supply supply of carry all devices under VDD_SR_SD 406 and VDD_OLED_SD 407 electric power networks during for high level.4 groups of electric power networks need 4 Sleep_A 421 signals respectively, and from power consumption control module 201, the unit pixel array that power consumption control module 201 connects information source turn-offs chip selection signal 419.
The whole gatings of the power supply of four groups of pixel unit array under the default conditions; Screen normally shows; When information source system gets into standby or idle state, optionally close wherein the power supply of a group or several groups, only display message on the pel array of still opening according to the demand that screen message is shown; Reduce the power consumption of whole pixel unit array, this state downlink drive circuit 203 needs to keep duty with column drive circuit 202.
As shown in Figure 7, said horizontal drive circuit 203 comprises:
A line decoder 304 is used for treating the decoded signal conversion gating signal 420 of embarking on journey;
A row cache device 305 is used for storage line gating signal 420, and synchronous with global clock 414;
Said line decoder 304 is N inputs, non-2
NThe code translator of (N is an integer) output is with said decoded signal 415 decoding outputs, the formation row gating signal 420 treated;
Said row cache device 305 is buffers of a N input, N output; At a global clock in 414 cycles; The gating signal 420 of will going is synchronous with global clock 414; Row cache device 305 connects row reset signal 416, row cache signal 417, and the data in the buffer are removed in 416 sets of row reset signal, and 417 sets of row cache signal are with synchronization line gating signal 420.
As shown in Figure 8, column drive circuit 202 only is made up of column data shift register 303 modules, and said column data shift register 303 modules have 45 inputs, 1440 outputs; Said column data shift register 303 modules have 45 group of 32 bit serial shift register, and are separate between each group, connect 1 input signal respectively; The output of each d type flip flop connects 1 output signal, 45 groups of totally 1440 outputs respectively in the 32 bit serial shift registers; Column drive circuit 202 connects pixel data signal 411, row shift signal 412, column reset signal 413; When 413 sets of column reset signal, remove the data in the shift register; When 412 sets of row shift signal, with pixel data signal 411 shift LDs; When 412 resets of row shift signal, suspend pixel data signal 411 displacements.
Claims (11)
1. the low-power consumption display system of an active silicon-based organic light-emitting diode; It is characterized in that whole display system all can be carried out low power consumption control, display screen is divided into four sub-display screens; Be integrated on the monocrystalline silicon silicon by organic light emitting diode device; Transistors all in the organic light emitting diode pixel-driving circuit are all worked with the digital switch mode, and " opening " and " pass " two states is only arranged, and this driving circuit has the characteristic of low-power consumption; Said low-power consumption display system comprises:
(1) organic light emitting diode screen (105) is combined by first sub-screen (101), second sub-screen (102), the 3rd sub-screen (103) and (104) four Organic Light Emitting Diode sub-screens of the 4th sub-screen; Each sub-screen is formed by a plurality of organic light emitting diode pixel cell driving circuits (204), is used for color display;
(2) power consumption control module (201) circuit is controlled the power consumption of whole display system;
(3) column drive circuit (202) is used to produce and preserve the column data signal of organic light emitting diode pel array;
(4) horizontal drive circuit (203) is used to produce and preserve the capable gating signal of each organic light emitting diode sub-array of pixels;
(5) silicon-based organic light-emitting diode pixel cell driving circuit (204) is used to produce the anode voltage of organic light-emitting diode pixel unit, and it is luminous to drive organic LED array;
Said organic light emitting diode pixel cell driving circuit (204) is formed first sub-screen (101), second sub-screen (102), the 3rd sub-screen (103) and the 4th sub-screen (104); Said four sub-screens are formed an organic light emitting diode screen (105), and this organic light emitting diode screen (105) connects power consumption control module (201) circuit, horizontal drive circuit (203), column drive circuit (202); Ranks power consumption control signal (418) inserts ranks power consumption control devices (301); Pixel power consumption control signal incoming pixel array power consumption controller (302); Pixel data (411) inserts column drive circuit (202); Row decoding signal (415) inserts horizontal drive circuit (203); Row shift signal (412), column reset signal (413) insert column drive circuit (202) respectively; Row decoding signal (415), row cache signal (417), row reset signal (416) insert horizontal drive circuit (203) respectively.
2. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 1; It is characterized in that; Said power consumption control module circuit (201); Be divided into ranks power consumption control device (301) and pel array power consumption control device (302) two parts; Ranks power consumption control device (301) is used to manage the power supply power consumption of horizontal drive circuit (203) and column drive circuit (202), and pel array power consumption control device (302) is used to manage the power supply power consumption of each sub-screen, thereby reduces the power consumption of whole screen.
3. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 1; It is characterized in that; Said organic light emitting diode pixel cell driving circuit (204), power consumption and pixel data (411) transmission line have all reduced half the; Said organic light emitting diode pixel cell driving circuit (204) is formed by connecting low-power consumption static store circuit (306) and Voltag driving circuit (307) two parts, and the power consumption of said low-power consumption static store circuit (306) is the half the of general standard 6 transistor memory unit power consumptions; Said low-power consumption static store circuit (306) has only used a data lines, is the half the of general standard 6 transistor memory unit data line quantity, reduces the wiring difficulty, reduces capacitance resistance, practices thrift power consumption; By the form of a plurality of said organic light emitting diode pixel cell driving circuits (204) according to matrix array; Be arranged into first sub-screen (101), second sub-screen (102), the 3rd sub-screen (103) and (104) four Organic Light Emitting Diode sub-screens of the 4th sub-screen respectively, said four Organic Light Emitting Diode sub-screens are formed an organic light emitting diode screen (105); On said array, generate one deck organic light emitting diode pixel, constitute silicon-based organic light-emitting diode screen; Said organic light emitting diode pixel comprises three kinds of colors: red, green, blue; Said redness, green, blue pixel are arranged according to general display picture element arrangement regulation; Said organic light emitting diode screen (105) connects horizontal drive circuit (203), column drive circuit (202), power consumption control module (201) circuit.
4. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 2; It is characterized in that; Said power consumption control module (201) is introduced ranks power consumption control signals (418) from information source, the opening and shutting off of the power supply through power consumption control module (201) decision column drive circuit (202) and horizontal drive circuit (203); Close at information source system; No longer need ranks driving circuit (202) to continue to close the power supply of interlock circuit under the state of operation, reduce the power consumption of this part of module; Under this state; These four Organic Light Emitting Diode sub-screens of first sub-screen (101), second sub-screen (102), the 3rd sub-screen (103) and the 4th sub-screen (104) all can be selected the maintenance "on" position, and the last frame data that information source is seen off are continued to show.
5. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 2; It is characterized in that; Said pel array power consumption control device (302) is divided into the electric power network of four Organic Light Emitting Diode sub-screens from same primary power but mutually independently four groups separately, provides array chip to turn-off by information source and selects signal (419); Divide other to open and shut off through Power_Switch_A (401) and four groups of power supplys of Power_Switch_B (402) decision pixel unit array; Four groups of whole gatings of power supply under the default conditions, pixel unit array is all worked, when information source system gets into standby or idle state; Optionally close wherein the power supply of a group or several groups according to the demand that screen message is shown; Display message on the pel array of still opening only reduces the power consumption of whole pixel unit array, and column drive circuit under this state (202) needs to keep duty with horizontal drive circuit (203).
6. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 1; It is characterized in that; Said silicon-based organic light-emitting diode screen (105) is divided into four sub-screens; Each sub-screen all can carry out power managed, does not need just can close in luminous at the sub-screen that has.
7. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 3 is characterized in that, said organic light emitting diode pixel cell driving circuit (204) has:
6 input pins: row gating signal (420), column data signal (423), test pixel signal (424), static memory power vd D_SR_SD (406), ground connection GND (410), pixel anode power vd D_OLED_SD (407);
1 output pin: be used to drive the corresponding organic light emitting diode pixel;
1 low-power consumption static memory (306) is made up of 5 N channel enhancement mos field effect transistor and 3 P-channel enhancement type mos field effect transistor;
1 Voltag driving circuit (307) is made up of 1 P-channel enhancement type mos field effect transistor; This transistorized source end and substrate meet pixel anode power vd D_OLED_SD (407); The said low-power consumption static memory of grid termination (306) output signal, drain terminal is connected to machine light emitting diode pixel anode.
8. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 1 is characterized in that, said horizontal drive circuit (203) comprising:
A line decoder (304) is used for treating the decoded signal conversion gating signal of embarking on journey;
A row cache device (305) is used for the storage line gating signal, and synchronous with global clock (414).
9. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 1; It is characterized in that; Said column drive circuit (202) only has a column data shift register (303) module to constitute; Said column data shift register (303) module has 45 inputs, 1440 outputs; Said column data shift register (303) module has 45 group of 32 bit serial shift register, and is separate between each group, connects 1 input signal respectively; The output of each d type flip flop connects 1 output signal, 45 groups of totally 1440 outputs respectively in the 32 bit serial shift registers; Column drive circuit (202) connects pixel data (411) signal, row shift signal (412), column reset signal (413); When column reset signal (413) set, remove the data in the shift register; When row shift signal (412) set, with pixel data (411) signal shift LD; When row shift signal (412) reset, suspend the displacement of pixel data (411) signal.
10. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 8 is characterized in that, line decoder (304) described in the said horizontal drive circuit (203) is a N input, non-2
NThe code translator of output, N is an integer, with said decoded signal decoding output, the formation row gating signal treated.
11. the low-power consumption display system of a kind of active silicon-based organic light-emitting diode according to claim 8; It is characterized in that row cache device (305) described in the said horizontal drive circuit (203) is the buffer of a N input, N output; N is an integer; In (414) cycle, will go gated data and global clock (414) synchronously at a global clock, row cache device (305) connects row reset signal (416), row cache signal (417); The data in the buffer are removed in the set of row reset signal (416), and row cache signal (417) set is with the synchronization line gating signal.
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