CN106652917A - Circuit of organic electroluminescence element established on same voltage - Google Patents
Circuit of organic electroluminescence element established on same voltage Download PDFInfo
- Publication number
- CN106652917A CN106652917A CN201710155115.1A CN201710155115A CN106652917A CN 106652917 A CN106652917 A CN 106652917A CN 201710155115 A CN201710155115 A CN 201710155115A CN 106652917 A CN106652917 A CN 106652917A
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- module
- oled
- voltage
- input signal
- external input
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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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a circuit of an organic electroluminescence element established on the same voltage. The circuit comprises a power module, wherein the power module provides fundamental voltage for an active rectangular drive circuit, and is connected with a light-emitting module R, a light-emitting module G and a light-emitting module B; the light-emitting module R comprises a control module R, a trigger module R and an OLED-R; the control module R receives an external input signal of the trigger module R, amplifies the fundamental voltage according to the external input signal, and sends the amplified voltage to the OLED-R; the light-emitting module G comprises a control module G, a trigger module G and an OLED-G; the control module G receives an external input signal of the trigger module G, amplifies the fundamental voltage according to the external input signal, and sends the amplified voltage to the OLED-G; the light-emitting module B comprises a control module B, a trigger module B and an OLED-B; the control module B receives an external input signal of the trigger module B, and amplifies the fundamental voltage according to the external input signal.
Description
Technical field
The present invention relates to a kind of drive circuit, and in particular to set up the electricity of the organic electroluminescent device in identical voltage
Road.
Background technology
Flat faced display refers to that the length of display screen diagonal is more than 4 with the ratio of whole machine thickness：1 display device, including
Liquid crystal display, plasma scope, electroluminescent display, vacuum fluorescent display, surface plate type cathode ray tube and send out
Optical diode etc..Flat faced display has many advantages：Slim and light and handy, whole machine can be made portable；Voltage is low, without X-ray spoke
Penetrate, there is no flashing, do not produce electrostatic, thus will not insalubrity；It is low in energy consumption, can be powered with battery；Most of flat board shows
Show that the life-span of device is longer than cathode ray tube.The military affairs of flat faced display, civil area have extremely extensive purposes.In military affairs
It is above every to need to use where display, flat faced display can be nearly all used, such as：CI systems, communication system, electronic warfare
System, missile fire control system, and the passenger cabin of tank, aircraft and space shuttle, etc..Flat faced display be develop in recent years compared with
Fast new and high technology, it is considered to be one of " 20th century last several high-tech ".
The organic electroluminescent device of one of new flat faced display because self-lighting type, than using hundred lamps
Liquid crystal indicator, the advantages of with frivolous, wide viewing angle, high-resolution, the driving side of such organic electroluminescent device
Formula has by making scan line and the alternate matrix of holding wire, drives the passive-matrix mode and each pixel switch thin film of OLED brilliant
The active matrix-style of the driving OLED of body pipe, passive-matrix mode drives according to time instant and scans to drive each pixel
Line, the voltage and electric current of the more requirements of line is higher, is not suitable for large-area displays, so studying with regard to being driven with low current
Active matrix-style.
The content of the invention
The technical problem to be solved is to use voltage driving mode, makes what the driving element in pixel electrode had
Intrinsic threshold voltage value exception, as long as the driving of the activity matrix type Organic Electricity circle light-emitting component of uniformly light-emitting characteristic can be provided
Circuit, so that it may achieve the goal, it is therefore intended that provide the circuit for setting up the organic electroluminescent device in identical voltage, solves electricity consumption
Pressure type of drive, makes the intrinsic threshold voltage value exception that the driving element in pixel electrode has, as long as uniform sending out can be provided
The drive circuit of the activity matrix type Organic Electricity circle light-emitting component of light characteristic, so that it may the problem for achieving the goal.
The present invention is achieved through the following technical solutions：
The circuit of the organic electroluminescent device in identical voltage, including power module are set up, the power module is energy
Dynamic square drive circuit provides fundamental voltage, while connecting light emitting module R, light emitting module G and light emitting module B；The luminous mould
Block R：Including control module R, trigger module R and OLED-R；Control module R receives the external input signal of trigger module R,
Fundamental voltage is amplified according to external input signal, is sent and is amplified voltage to OLED-R；The light emitting module G：Including control mould
Block G, trigger module G and OLED-G；Control module G receives the external input signal of trigger module G, is believed according to outside input
Number fundamental voltage is amplified, send and amplify voltage to OLED-G；The light emitting module B：Including control module B, trigger module B and
OLED-B；Control module B receives the external input signal of trigger module B, and fundamental voltage is put according to external input signal
Greatly, send and amplify voltage to OLED-B；Also include display module：The display module includes OLED-R, OLED-G and OLED-B
Constitute.The technical problem to be solved is to use voltage driving mode, makes what the driving element in pixel electrode had to consolidate
There is threshold voltage value exception, as long as the driving electricity of the activity matrix type Organic Electricity circle light-emitting component of uniformly light-emitting characteristic can be provided
Road, so that it may achieve the goal, it is therefore intended that provide the circuit for setting up the organic electroluminescent device in identical voltage, connects first electricity
Source, receives the same voltage, and by above-mentioned basic voltage, OLED organic illuminating elements control the switching transistor of driving voltage,
Even if the intrinsic threshold voltage value or mobility exception in the driving element for therefore possessing in pixel electrode, is still able to provide
The uniform characteristics of luminescence.Trigger module is the external input signal for being externally supplied OLED for drive circuit, regulation power supply
Voltage, and directly control the luminance of OLED.Prior art is that supply voltage changes, and is different from prior art, supply voltage
It is constant, by an external input signal, normal power voltage is integrated, obtain stable OLED output valves so that display effect
Better.
The control module is transistor.Identical supply voltage is received, by external input signal so that transistor is adjusted
Section supply voltage, according to the voltage swing of supply voltage, controls the cubicle switchboard of the driving voltage that above-mentioned organic luminescent device applies
Battle array circuit.
Also include matching reseting module, the reseting module be connected to power module and matching control module it
Between.The reseting module is electric capacity, is resetted according to demand.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention sets up the circuit of the organic electroluminescent device in identical voltage, and prior art is that supply voltage changes
Become, be different from prior art, supply voltage is constant, by an external input signal, integrate normal power voltage, stablized
OLED output valves so that display effect is better；
2nd, the present invention sets up the circuit of the organic electroluminescent device in identical voltage, connects power supply, receives the same electricity
Pressure, by above-mentioned basic voltage, OLED organic illuminating elements control the switching transistor of driving voltage, even if therefore pixel electrode
Intrinsic threshold voltage value or mobility exception in the driving element for inside possessing, is still able to provide the uniform characteristics of luminescence
's；
3rd, the present invention sets up the circuit of the organic electroluminescent device in identical voltage, and the control module is transistor,
Identical supply voltage is received, by external input signal so that transistor regulating power source voltage, according to the voltage of supply voltage
Size, controls the switch matrix circuit of the driving voltage that above-mentioned organic luminescent device applies.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is present system structural representation.
Specific embodiment
To make 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
As shown in figure 1, the present invention sets up the circuit of the organic electroluminescent device in identical voltage, including power module,
The power module provides fundamental voltage for active square drive circuit, while connecting light emitting module R, light emitting module G and lighting
Module B；The light emitting module R：Including control module R, trigger module R and OLED-R；Control module R receives trigger module
The external input signal of R, amplifies according to external input signal to fundamental voltage, sends and amplifies voltage to OLED-R；It is described luminous
Module G：Including control module G, trigger module G and OLED-G；Control module G receives the outside input letter of trigger module G
Number, fundamental voltage is amplified according to external input signal, send and amplify voltage to OLED-G；The light emitting module B：Including control
Module B, trigger module B and OLED-B；Control module B receives the external input signal of trigger module B, according to outside input
Signal amplifies to fundamental voltage, sends and amplifies voltage to OLED-B；Also include display module：The display module includes OLED-
R, OLED-G and OLED-B are constituted.The technical problem to be solved is to use voltage driving mode, is made in pixel electrode
The intrinsic threshold voltage value exception that driving element has, as long as activity matrix type Organic Electricity circle of uniformly light-emitting characteristic can be provided
The drive circuit of light-emitting component, so that it may achieve the goal, it is therefore intended that the organic electroluminescent device set up in identical voltage is provided
Circuit, connect power supply first, receive the same voltage, by above-mentioned basic voltage, the control of OLED organic illuminating elements drives
The switching transistor of voltage, even if therefore intrinsic threshold voltage value or mobility in the driving element that possesses in pixel electrode
It is abnormal, it is still able to provide the uniform characteristics of luminescence.Trigger module for drive circuit be externally supplied OLED outside it is defeated
Enter signal, the voltage of regulation power supply, and directly control the luminance of OLED.Prior art is that supply voltage changes, and is different from
Prior art, supply voltage is constant, by an external input signal, integrates normal power voltage, obtains stable OLED defeated
Go out value so that display effect is better.The control module is transistor.Identical supply voltage is received, by outside input
Signal so that transistor regulating power source voltage, according to the voltage swing of supply voltage, controls what above-mentioned organic luminescent device applied
The switch matrix circuit of driving voltage.Also include matching reseting module, the reseting module be connected to power module and
Between the control module of matching.The reseting module is electric capacity, is resetted according to demand.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (4)
1. the circuit of the organic electroluminescent device in identical voltage is set up, it is characterised in that：Including power module, the power supply
Module provides fundamental voltage for active square drive circuit, while connecting light emitting module R, light emitting module G and light emitting module B；
The light emitting module R：Including control module R, trigger module R and OLED-R；Control module R receives trigger module R
External input signal, fundamental voltage is amplified according to external input signal, send and amplify voltage to OLED-R；
The light emitting module G：Including control module G, trigger module G and OLED-G；Control module G receives trigger module G
External input signal, fundamental voltage is amplified according to external input signal, send and amplify voltage to OLED-G；
The light emitting module B：Including control module B, trigger module B and OLED-B；Control module B receives trigger module B
External input signal, fundamental voltage is amplified according to external input signal, send and amplify voltage to OLED-B；
Also include display module：The display module is constituted including OLED-R, OLED-G and OLED-B.
2. it is according to claim 1 set up identical voltage organic electroluminescent device circuit, it is characterised in that：Institute
Control module is stated for transistor.
3. it is according to claim 1 set up identical voltage organic electroluminescent device circuit, it is characterised in that：Also
Including matching reseting module, the reseting module is connected between power module and the control module of matching.
4. it is according to claim 3 set up identical voltage organic electroluminescent device circuit, it is characterised in that：Institute
Reseting module is stated for electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155115.1A CN106652917A (en) | 2017-03-15 | 2017-03-15 | Circuit of organic electroluminescence element established on same voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155115.1A CN106652917A (en) | 2017-03-15 | 2017-03-15 | Circuit of organic electroluminescence element established on same voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106652917A true CN106652917A (en) | 2017-05-10 |
Family
ID=58848203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155115.1A Pending CN106652917A (en) | 2017-03-15 | 2017-03-15 | Circuit of organic electroluminescence element established on same voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106652917A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6169532B1 (en) * | 1997-02-03 | 2001-01-02 | Casio Computer Co., Ltd. | Display apparatus and method for driving the display apparatus |
| JP2006039517A (en) * | 2004-06-22 | 2006-02-09 | Rohm Co Ltd | Organic el drive circuit and organic el display device |
| CN105489167A (en) * | 2015-12-07 | 2016-04-13 | 北京大学深圳研究生院 | Display device as well as pixel circuit and driving method thereof |
| CN206558188U (en) * | 2017-03-13 | 2017-10-13 | 四川太锦信息技术有限公司 | A kind of active square drive circuit based on same voltage |
-
2017
- 2017-03-15 CN CN201710155115.1A patent/CN106652917A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6169532B1 (en) * | 1997-02-03 | 2001-01-02 | Casio Computer Co., Ltd. | Display apparatus and method for driving the display apparatus |
| JP2006039517A (en) * | 2004-06-22 | 2006-02-09 | Rohm Co Ltd | Organic el drive circuit and organic el display device |
| CN105489167A (en) * | 2015-12-07 | 2016-04-13 | 北京大学深圳研究生院 | Display device as well as pixel circuit and driving method thereof |
| CN206558188U (en) * | 2017-03-13 | 2017-10-13 | 四川太锦信息技术有限公司 | A kind of active square drive circuit based on same voltage |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |