CN104050915A - AMOLED display panel and AMOLED display device - Google Patents
AMOLED display panel and AMOLED display device Download PDFInfo
- Publication number
- CN104050915A CN104050915A CN201410240512.5A CN201410240512A CN104050915A CN 104050915 A CN104050915 A CN 104050915A CN 201410240512 A CN201410240512 A CN 201410240512A CN 104050915 A CN104050915 A CN 104050915A
- Authority
- CN
- China
- Prior art keywords
- driving voltage
- effective display
- voltage
- high level
- wire
- 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.)
- Granted
Links
Classifications
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides an AMOLED display panel and an AMOLED display device. The AMOLED display panel comprises multiple effective display units arranged in an effective display region and a driving voltage supply unit arranged outside the effective display region. The driving voltage supply unit provides driving voltage for the driving voltage receiving ends of multiple effective display units through the driving voltage output end. The driving voltage receiving ends of multiple effective display units are respectively connected with the driving voltage output end of the driving voltage supply unit through multiple power supply lead wires. An absolute value of a difference value of voltage drops of the driving voltage output end of the driving voltage supply unit and the driving voltage receiving ends of multiple effective display units is smaller than a preset voltage value. The problem that the voltage drop phase difference between the driving voltage supply unit and multiple effective display units is large due to the power supply lead wire integral design in the prior art is avoided, so that the effective display region can be even in display, and the display quality can be improved.
Description
Technical field
The present invention relates to AMOLED (Active Matrix/Organic Light Emitting Diode, active matrix organic light-emitting diode) display technique field, relate in particular to a kind of AMOLED display panel and AMOLED display device.
Background technology
As shown in Figure 1, existing AMOLED display panel 1 comprises and is arranged at a plurality of effective display unit (take and comprise that five effective display units are example, the plurality of effective display unit is respectively: first effective display unit 11, second effective display unit 12, the 3rd effective display unit 13, the 4th effective display unit 14 and the 5th effective display unit 15) in the AA ' of territory, effective display area and is arranged at territory, effective display area AA ' driving voltage feeding unit 16 outward in Fig. 1.Described driving voltage feeding unit 16 for example can be for driving integrated chip or flexible PCB.Power supply lead wire between described a plurality of effective display unit and driving voltage feeding unit 16 is whole block-like design, be to be connected in parallel between described a plurality of effective display unit, and power supply lead wire between a plurality of effective display units and driving voltage feeding unit 16 shares, because the design of each effective display unit is identical, electric current I a required when showing same gray level state is identical, voltage drop from driving voltage feeding unit 16 to the effective display unit apart from its different distance is different like this, thereby caused the actual voltage difference that inputs to each effective display unit, caused the unevenness of picture disply.
Concrete, as shown in Figure 1, in left side, territory, effective display area, the resistance of the power supply lead wire between the driving voltage input end in driving voltage feeding unit 16 and first effective display unit 11 left sides, and between the driving voltage input end in the left side of each adjacent effective display unit, the resistance of power supply lead wire is Rb (in Fig. 1, Rc is the resistance of the power supply lead wire between driving voltage feeding unit 16 and the driving voltage input end on first effective display unit 11 right sides, and the resistance of the power supply lead wire between the driving voltage input end on the right side of each adjacent effective display unit), the voltage between the driving voltage input end in driving voltage feeding unit 16 to first effective display unit 11 left sides is reduced to Rb * 5Ia, voltage between the driving voltage input end in driving voltage feeding unit 16 to second effective display unit 12 left sides is reduced to 2Rb * 4Ia, driving voltage feeding unit 16 to the voltage between the driving voltage input end in the 3rd effective display unit 13 left sides is reduced to 3Rb * 3Ia, driving voltage feeding unit 16 to the voltage between the driving voltage input end in the 4th effective display unit 14 left sides is reduced to 4Rb * 2Ia, driving voltage feeding unit 16 to the voltage between the driving voltage input end in the 5th effective display unit 15 left sides is reduced to 5Rb * Ia.Therefore, different to the voltage drop between each effective display unit by driving voltage feeding unit 16.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of AMOLED display panel and AMOLED display device, avoid the driving voltage feeding unit that causes due to power supply lead wire global design in prior art and the voltage drop between each effective display unit to differ larger problem, territory, effective display area is shown evenly, improve display quality.
In order to achieve the above object, the invention provides a kind of AMOLED display panel, comprise and be arranged at a plurality of effective display unit in territory, effective display area and be arranged at the overseas driving voltage feeding unit in described effective display area;
This driving voltage feeding unit provides driving voltage by its driving voltage output terminal to the driving voltage receiving end of described a plurality of effective display units;
The driving voltage receiving end of described a plurality of effective display units is connected with the driving voltage output terminal of this driving voltage feeding unit by many power supply lead wires respectively;
The absolute value of the difference between the voltage drop of the driving voltage output terminal of this driving feeding unit and the driving voltage receiving end of described a plurality of effective display units is less than scheduled voltage.
During enforcement, described scheduled voltage is greater than 0V and is less than or equal to 0.2V.
During enforcement, the driving voltage output terminal of described driving voltage feeding unit comprises high level output end and low level output end;
The driving voltage receiving end of described effective unit comprises high level receiving end and low level receiving end;
Described power supply lead wire comprises high level lead-in wire and low level lead-in wire;
The high level receiving end of described a plurality of effective display units is connected with the high level output end of this driving voltage feeding unit by many high level lead-in wires respectively;
The low level receiving end of described a plurality of effective display units is connected with the low level output end of this driving voltage feeding unit by many low level lead-in wires respectively;
The absolute value of the difference between the voltage drop of the high level output end of this driving feeding unit and the high level receiving end of described a plurality of effective display units is less than this scheduled voltage;
The absolute value of the difference between the voltage drop of the low level output end of this driving feeding unit and the low level receiving end of described a plurality of effective display units is less than this scheduled voltage.
During enforcement, the absolute value of the difference between the resistance of described many high level lead-in wire is less than predetermined resistance;
The absolute value of the difference between the resistance of described many low levels lead-in wire is less than this predetermined resistance.
During enforcement, the resistivity of these many high level lead-in wires equates, and length and the sectional area of this high level lead-in wire are directly proportional;
The resistivity of these many low level lead-in wires equates, and length and the sectional area of this low level lead-in wire are directly proportional.
During enforcement, AMOLED display panel of the present invention also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many high level lead-in wire;
Described voltage measurement module, for measuring the voltage drop at described high level lead-in wire two ends;
Described resistance control module, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this high level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many high level lead-in wire two ends, be less than this scheduled voltage.
During enforcement, AMOLED display panel of the present invention also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many low levels lead-in wire;
Described voltage measurement module, for measuring the voltage drop at described low level lead-in wire two ends;
Described resistance control module, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this low level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many low levels lead-in wire two ends, be less than this scheduled voltage.
The present invention has also comprised a kind of AMOLED display device, it is characterized in that, comprises above-mentioned AMOLED display panel.
Compared with prior art, AMOLED display panel of the present invention and AMOLED display device, driving voltage receiving end by a plurality of effective display units is connected with the driving voltage output terminal of driving voltage feeding unit by power supply lead wire respectively, and the absolute value of controlling the difference between the driving voltage output terminal of this driving feeding unit and the voltage drop of the driving voltage receiving end of described a plurality of effective display units is less than scheduled voltage, the difference that driving voltage feeding unit is exported between the voltage of driving voltage receiving end of each effective display unit is less than scheduled voltage, realized in territory, effective display area and having shown evenly, improve display quality.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of existing AMOLED display panel;
Fig. 2 A is the structural drawing of an embodiment of effective display unit of comprising of AMOLED display panel;
Fig. 2 B is the structural drawing of another embodiment of effective display unit of comprising of AMOLED display panel;
Fig. 3 is the structured flowchart of the AMOLED display panel described in the present invention's one specific embodiment;
Fig. 4 is the structured flowchart of the AMOLED display panel described in another specific embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
AMOLED display panel described in the embodiment of the present invention, comprises and is arranged at a plurality of effective display unit in territory, effective display area and is arranged at the overseas driving voltage feeding unit in described effective display area;
This driving voltage feeding unit provides driving voltage by its driving voltage output terminal to the driving voltage receiving end of described a plurality of effective display units;
The driving voltage receiving end of described a plurality of effective display units is connected with the driving voltage output terminal of this driving voltage feeding unit by many power supply lead wires respectively;
The absolute value of the difference between the voltage drop of the driving voltage output terminal of this driving feeding unit and the driving voltage receiving end of described a plurality of effective display units is less than scheduled voltage.
Concrete, described driving voltage feeding unit for example can be for driving integrated chip or flexible PCB.
The span of described scheduled voltage can be chosen according to actual needs, preferably, described scheduled voltage is greater than 0V and is less than or equal to 0.2V, when the absolute value that driving voltage feeding unit exports the difference between the voltage of driving voltage receiving end of each effective display unit to is less than this scheduled voltage, can guarantee to show evenly in effective viewing area.
AMOLED display panel described in the embodiment of the present invention, driving voltage receiving end by a plurality of effective display units is connected with the driving voltage output terminal of driving voltage feeding unit by power supply lead wire respectively, and the absolute value of controlling the difference between the driving voltage output terminal of this driving feeding unit and the voltage drop of the driving voltage receiving end of described a plurality of effective display units is less than scheduled voltage, with the driving voltage feeding unit avoiding causing due to power supply lead wire global design in prior art and the voltage drop between each effective display unit, differ larger problem, thereby the absolute value that makes driving voltage feeding unit export the difference between the voltage of driving voltage receiving end of each effective display unit to is less than scheduled voltage, realized in territory, effective display area and having shown evenly, improve display quality.
Concrete, as shown in Figure 2 A, described in each, effectively display unit comprises a plurality of sub-pixel unit, each sub-pixel unit comprises OLED (Organic Light Emitting Diode) and sub-pixel driving circuit, when taking the end to launch, described in each, the negative electrode of OLED is connected with low level receiving end VSS, and described in each, sub-pixel driving circuit is connected with high level receiving end VDD.
Concrete, as shown in Figure 2 B, described in each, effectively display unit comprises a plurality of sub-pixel unit, each sub-pixel unit comprises OLED (Organic Light Emitting Diode) and sub-pixel driving circuit, when taking top transmitting, described in each, the anode of OLED is connected with high level receiving end VDD, and described in each, sub-pixel driving circuit is connected with low level receiving end VSS.
When practical operation, described in each, effectively the driving voltage receiving end of display unit comprises high level receiving end and low level receiving end;
The driving voltage output terminal of described driving voltage feeding unit comprises high level output end and low level output end;
Described power supply lead wire comprises high level lead-in wire and low level lead-in wire;
The high level receiving end of described a plurality of effective display units is connected with the high level output end of this driving voltage feeding unit by many high level lead-in wires respectively;
The low level receiving end of described a plurality of effective display units is connected with the low level output end of this driving voltage feeding unit by many low level lead-in wires respectively;
The absolute value of the difference between the voltage drop of the high level output end of this driving feeding unit and the high level receiving end of described a plurality of effective display units is less than this scheduled voltage; Like this, input to the high level of described a plurality of effective display units basically identical;
The absolute value of the difference between the voltage drop of the low level output end of this driving feeding unit and the low level receiving end of described a plurality of effective display units is less than this scheduled voltage, and like this, the low level that inputs to described a plurality of effective display units is basically identical.
As shown in Figure 3, AMOLED display panel 3 described in the present invention's one specific embodiment, comprise first effective display unit 31, the second effective display unit 32, the 3rd effective display unit 33, the 4th effective display unit 34 and the 5th effective display unit 35 that are arranged in the AA ' of territory, effective display area, and be arranged at the outer driving voltage feeding unit 36 of territory, effective display area AA ';
Described in each, effectively the driving voltage receiving end of display unit comprises high level receiving end and low level receiving end;
The driving voltage output terminal of described driving voltage feeding unit 36 comprises high level output end VDD_OUT and low level output end VSS_OUT;
Described power supply lead wire comprises high level lead-in wire and low level lead-in wire;
The high level receiving end VDD5 of the high level receiving end VDD4 of the high level receiving end VDD3 of the high level receiving end VDD2 of the high level receiving end VDD1 of described first effective display unit 31, described second effective display unit 32, the described the 3rd effective display unit 33, the described the 4th effective display unit 34 and the described the 5th effective display unit 33 is gone between and is connected with the high level output end VDD_OUT of this driving voltage feeding unit 36 by high level respectively;
The high level receiving end VDD5 of the high level receiving end VDD4 of the high level receiving end VDD3 of the high level receiving end VDD2 of the high level receiving end VDD1 of described first effective display unit 31, described second effective display unit 32, the described the 3rd effective display unit 33, the described the 4th effective display unit 34 and the described the 5th effective display unit 33 is gone between and is connected with the low level output end VSS_OUT of this driving voltage feeding unit 36 by low level respectively;
This drives the high level output end VDD_OUT of feeding unit and the absolute value of the difference between the voltage drop of VDD1, this drives the high level output end VDD_OUT of feeding unit and the absolute value of the difference between the voltage drop of VDD2, this drives the high level output end VDD_OUT of feeding unit and the absolute value of the difference between the voltage drop of VDD3, the absolute value of the difference between the high level output end VDD_OUT of this driving feeding unit and the absolute value of the difference between the voltage drop of VDD4 and the high level output end VDD_OUT of this driving feeding unit and the voltage drop of VDD5 is all less than this scheduled voltage,
This drives the low level output end VSS_OUT of feeding unit and the absolute value of the difference between the voltage drop of VSS1, this drives the low level output end VSS_OUT of feeding unit and the absolute value of the difference between the voltage drop of VSS2, this drives the low level output end VSS_OUT of feeding unit and the absolute value of the difference between the voltage drop of VSS3, the absolute value of the difference between the low level output end VSS_OUT of this driving feeding unit and the absolute value of the difference between the voltage drop of VSS4 and the low level output end VSS_OUT of this driving feeding unit and the voltage drop of VSS5 is all less than this scheduled voltage.
Preferably, the absolute value of the difference between the resistance of described many high level lead-in wire is less than predetermined resistance;
The absolute value of the difference between the resistance of described many low levels lead-in wire is less than this predetermined resistance;
When practical operation, this predetermined resistance can be set according to actual needs, so that the resistance of many high level lead-in wires is basically identical, and the resistance of many low level lead-in wires is basically identical, finally make to drive the absolute value of the difference between the high level output end of feeding unit and the voltage drop of the high level receiving end of described a plurality of effective display units to be less than 0.2V, the absolute value of the difference between the low level output end of this driving feeding unit and the voltage drop of the low level receiving end of described a plurality of effective display units is less than 0.2V.
Because the design of each effective display unit is identical, electric current required when showing same gray level state is identical, therefore when the resistance of many high level lead-in wires is basically identical, and the resistance of many low levels lead-in wire is when basically identical, voltage drop from driving voltage feeding unit to the effective display unit apart from its different distance is also basically identical, thereby caused difference between the actual voltage that inputs to each effective display unit in preset range, thereby made picture disply even.
Concrete, as shown in Figure 4, on the basis of embodiment as shown in Figure 3, the resistance of the high level lead-in wire between the high level receiving end VDD1 of the high level output end VDD_OUT of described driving voltage feeding unit 36 and described first effective display unit 31 is R1, the resistance of the high level lead-in wire between the high level receiving end VDD2 of the high level output end VDD_OUT of described driving voltage feeding unit 36 and described second effective display unit 32 is R2, the resistance of the high level lead-in wire between the high level receiving end VDD3 of the high level output end VDD_OUT of described driving voltage feeding unit 36 and the described the 3rd effective display unit 33 is R3, the resistance of the high level lead-in wire between the high level receiving end VDD4 of the high level output end VDD_OUT of described driving voltage feeding unit 36 and the described the 4th effective display unit 34 is R4, the resistance of the high level lead-in wire between the high level receiving end VDD5 of the high level output end VDD_OUT of described driving voltage feeding unit 36 and the described the 5th effective display unit 35 is R5,
The resistance of the low level lead-in wire between the low level receiving end VSS1 of the low level output end VSS_OUT of described driving voltage feeding unit 36 and described first effective display unit 31 is R6, the resistance of the low level lead-in wire between the low level receiving end VSS2 of the low level output end VSS_OUT of described driving voltage feeding unit 36 and described second effective display unit 32 is R7, the resistance of the low level lead-in wire between the low level receiving end VSS3 of the low level output end VSS_OUT of described driving voltage feeding unit 36 and the described the 3rd effective display unit 33 is R8, the resistance of the low level lead-in wire between the low level receiving end VSS4 of the low level output end VSS_OUT of described driving voltage feeding unit 36 and the described the 4th effective display unit 34 is R9, the resistance of the low level lead-in wire between the low level receiving end VSS5 of the low level output end VSS_OUT of described driving voltage feeding unit 36 and the described the 5th effective display unit 35 is R10,
The resistance value of R1, the resistance value of R2, the resistance value of R3, the resistance value of R4 and the resistance value of R5 equate, the resistance value of R6, the resistance value of R7, the resistance value of R8, the resistance value of R9 and the resistance value of R10 equate, equal to the voltage drop of a plurality of effective display units apart from its different distance from the high level output end VDD_OUT of driving voltage feeding unit 36 like this, also equal to the voltage drop of a plurality of effective display units apart from its different distance from the low level output end VSS_OUT of driving voltage feeding unit 36, solved due to the inhomogeneous phenomenon of demonstration causing apart from driving voltage feeding unit different distance, improved display quality.
Make the absolute value of the difference between the resistance of many high level lead-in wire be less than predetermined resistance, the absolute value of the difference between the resistance of many low level lead-in wires is also less than predetermined resistance, can realize by following two kinds of embodiments:
The first embodiment: control the resistivity of these many high level lead-in wires is equated, and length and the sectional area of this high level lead-in wire are directly proportional; The resistivity of controlling these many low level lead-in wires equates, and length and the sectional area of this low level lead-in wire are directly proportional.
The second embodiment:
AMOLED display panel of the present invention also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many high level lead-in wire;
Described voltage measurement module, for measuring the voltage drop at described high level lead-in wire two ends;
Described resistance control module, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this high level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many high level lead-in wire two ends, be less than this scheduled voltage;
AMOLED display panel of the present invention also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many low levels lead-in wire;
Described voltage measurement module, also for measuring the voltage drop at described low level lead-in wire two ends;
Described resistance control module, also, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this low level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many low levels lead-in wire two ends, be less than this scheduled voltage.
The absolute value of controlling the difference between the resistance of many high level lead-in wire is less than predetermined resistance, the embodiment that the absolute value of the difference between the resistance of many low level lead-in wires is also less than predetermined resistance is not limited to above two kinds, it is all applicable that any absolute value that can realize resistance difference is less than the mode of predetermined resistance, do not repeat them here.
AMOLED display device described in the embodiment of the present invention comprises described AMOLED display panel.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. an AMOLED display panel, comprises and is arranged at a plurality of effective display unit in territory, effective display area and is arranged at the overseas driving voltage feeding unit in described effective display area;
This driving voltage feeding unit provides driving voltage by its driving voltage output terminal to the driving voltage receiving end of described a plurality of effective display units; It is characterized in that,
The driving voltage receiving end of described a plurality of effective display units is connected with the driving voltage output terminal of this driving voltage feeding unit by many power supply lead wires respectively;
The absolute value of the difference between the voltage drop of the driving voltage output terminal of this driving feeding unit and the driving voltage receiving end of described a plurality of effective display units is less than scheduled voltage.
2. AMOLED display panel as claimed in claim 2, is characterized in that, described scheduled voltage is greater than 0V and is less than or equal to 0.2V.
3. AMOLED display panel as claimed in claim 1 or 2, is characterized in that, the driving voltage output terminal of described driving voltage feeding unit comprises high level output end and low level output end;
The driving voltage receiving end of described effective unit comprises high level receiving end and low level receiving end;
Described power supply lead wire comprises high level lead-in wire and low level lead-in wire;
The high level receiving end of described a plurality of effective display units is connected with the high level output end of this driving voltage feeding unit by many high level lead-in wires respectively;
The low level receiving end of described a plurality of effective display units is connected with the low level output end of this driving voltage feeding unit by many low level lead-in wires respectively;
The absolute value of the difference between the voltage drop of the high level output end of this driving feeding unit and the high level receiving end of described a plurality of effective display units is less than this scheduled voltage;
The absolute value of the difference between the voltage drop of the low level output end of this driving feeding unit and the low level receiving end of described a plurality of effective display units is less than this scheduled voltage.
4. AMOLED display panel as claimed in claim 3, is characterized in that, the absolute value of the difference between the resistance of described many high level lead-in wire is less than predetermined resistance;
The absolute value of the difference between the resistance of described many low levels lead-in wire is less than this predetermined resistance.
5. AMOLED display panel as claimed in claim 4, is characterized in that, the resistivity of these many high level lead-in wires equates, and length and the sectional area of this high level lead-in wire are directly proportional;
The resistivity of these many low level lead-in wires equates, and length and the sectional area of this low level lead-in wire are directly proportional.
6. AMOLED display panel as claimed in claim 4, is characterized in that, also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many high level lead-in wire;
Described voltage measurement module, for measuring the voltage drop at described high level lead-in wire two ends;
Described resistance control module, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this high level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many high level lead-in wire two ends, be less than this scheduled voltage.
7. AMOLED display panel as claimed in claim 4, is characterized in that, also comprises and is arranged at the overseas resistance control module in described effective display area, voltage measurement module and is arranged at respectively a plurality of solid relays on described many low levels lead-in wire;
Described voltage measurement module, for measuring the voltage drop at described low level lead-in wire two ends;
Described resistance control module, for sending resistance control signal according to this voltage difference to the upper solid relay arranging of this low level lead-in wire, to control the absolute value of the difference between the voltage drop that makes described many low levels lead-in wire two ends, be less than this scheduled voltage.
8. an AMOLED display device, is characterized in that, comprises the AMOLED display panel as described in arbitrary claim in claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240512.5A CN104050915B (en) | 2014-05-30 | 2014-05-30 | AMOLED display panel and AMOLED display device |
| PCT/CN2014/087174 WO2015180323A1 (en) | 2014-05-30 | 2014-09-23 | Amoled display panel and amoled display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240512.5A CN104050915B (en) | 2014-05-30 | 2014-05-30 | AMOLED display panel and AMOLED display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104050915A true CN104050915A (en) | 2014-09-17 |
| CN104050915B CN104050915B (en) | 2015-06-03 |
Family
ID=51503659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240512.5A Active CN104050915B (en) | 2014-05-30 | 2014-05-30 | AMOLED display panel and AMOLED display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104050915B (en) |
| WO (1) | WO2015180323A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409046A (en) * | 2014-12-18 | 2015-03-11 | 京东方科技集团股份有限公司 | Display array substrate, compensation method, display panel and display device |
| WO2015180323A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Amoled display panel and amoled display device |
| CN106297665A (en) * | 2016-10-31 | 2017-01-04 | 昆山国显光电有限公司 | A kind of system and method compensating AMOLED display floater internal electric source pressure drop |
| CN106448562A (en) * | 2016-10-21 | 2017-02-22 | 京东方科技集团股份有限公司 | Display panel and display equipment |
| CN107994056A (en) * | 2017-11-21 | 2018-05-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and the display device with the display panel |
| CN109830207A (en) * | 2019-03-27 | 2019-05-31 | 京东方科技集团股份有限公司 | The method of adjustment and device of electroluminescence display panel |
| US10325976B2 (en) | 2017-11-21 | 2019-06-18 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display device thereof |
| CN110675819A (en) * | 2019-09-02 | 2020-01-10 | 深圳市华星光电半导体显示技术有限公司 | Connecting circuit of display panel light-emitting device |
| EP3667653A1 (en) * | 2018-12-12 | 2020-06-17 | InnoLux Corporation | Electronic device |
| WO2020133073A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳市柔宇科技有限公司 | Screen driving method, display panel and display device |
| CN111984049A (en) * | 2020-09-01 | 2020-11-24 | 成都天锐星通科技有限公司 | Differential pressure control method and system and active phased array antenna |
| WO2021103156A1 (en) * | 2019-11-29 | 2021-06-03 | 深圳市华星光电半导体显示技术有限公司 | Method for improving ovss voltage drop of oled display panel and oled display panel |
| CN113674679A (en) * | 2021-08-19 | 2021-11-19 | 深圳市华星光电半导体显示技术有限公司 | Light-emitting panel |
| CN115083368A (en) * | 2022-07-26 | 2022-09-20 | Tcl华星光电技术有限公司 | Charging compensation device, display terminal and charging compensation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859543A (en) * | 2010-05-26 | 2010-10-13 | 四川虹视显示技术有限公司 | Method for improving brightness uniformity of AMOLED panel |
| WO2012014477A1 (en) * | 2010-07-29 | 2012-02-02 | パナソニック株式会社 | Organic el display device |
| CN202150459U (en) * | 2011-08-16 | 2012-02-22 | 京东方科技集团股份有限公司 | AMOLED display |
| JP2012198547A (en) * | 2009-08-18 | 2012-10-18 | Samsung Mobile Display Co Ltd | Power supply device, display device including the same, and driving method of the same |
| CN102916037A (en) * | 2012-10-12 | 2013-02-06 | 京东方科技集团股份有限公司 | Active-matrix organic light-emitting display and display device |
| CN202855739U (en) * | 2012-10-31 | 2013-04-03 | 四川虹视显示技术有限公司 | AMOLED pixel structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8692742B2 (en) * | 2009-09-01 | 2014-04-08 | Au Optronics Corporation | Pixel driving circuit with multiple current paths in a light emitting display panel |
| CA2687631A1 (en) * | 2009-12-06 | 2011-06-06 | Ignis Innovation Inc | Low power driving scheme for display applications |
| CN104050915B (en) * | 2014-05-30 | 2015-06-03 | 京东方科技集团股份有限公司 | AMOLED display panel and AMOLED display device |
-
2014
- 2014-05-30 CN CN201410240512.5A patent/CN104050915B/en active Active
- 2014-09-23 WO PCT/CN2014/087174 patent/WO2015180323A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012198547A (en) * | 2009-08-18 | 2012-10-18 | Samsung Mobile Display Co Ltd | Power supply device, display device including the same, and driving method of the same |
| CN101859543A (en) * | 2010-05-26 | 2010-10-13 | 四川虹视显示技术有限公司 | Method for improving brightness uniformity of AMOLED panel |
| WO2012014477A1 (en) * | 2010-07-29 | 2012-02-02 | パナソニック株式会社 | Organic el display device |
| CN202150459U (en) * | 2011-08-16 | 2012-02-22 | 京东方科技集团股份有限公司 | AMOLED display |
| CN102916037A (en) * | 2012-10-12 | 2013-02-06 | 京东方科技集团股份有限公司 | Active-matrix organic light-emitting display and display device |
| CN202855739U (en) * | 2012-10-31 | 2013-04-03 | 四川虹视显示技术有限公司 | AMOLED pixel structure |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180323A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Amoled display panel and amoled display device |
| US9911382B2 (en) | 2014-12-18 | 2018-03-06 | Boe Technology Group Co., Ltd. | Display array substrate, compensation method, display panel and display device |
| WO2016095414A1 (en) * | 2014-12-18 | 2016-06-23 | 京东方科技集团股份有限公司 | Display array substrate, compensation method, display panel, and display device |
| CN104409046A (en) * | 2014-12-18 | 2015-03-11 | 京东方科技集团股份有限公司 | Display array substrate, compensation method, display panel and display device |
| US10424248B2 (en) | 2016-10-21 | 2019-09-24 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN106448562A (en) * | 2016-10-21 | 2017-02-22 | 京东方科技集团股份有限公司 | Display panel and display equipment |
| CN106297665A (en) * | 2016-10-31 | 2017-01-04 | 昆山国显光电有限公司 | A kind of system and method compensating AMOLED display floater internal electric source pressure drop |
| CN107994056A (en) * | 2017-11-21 | 2018-05-04 | 武汉华星光电半导体显示技术有限公司 | Display panel and the display device with the display panel |
| WO2019100420A1 (en) * | 2017-11-21 | 2019-05-31 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device having same |
| US10325976B2 (en) | 2017-11-21 | 2019-06-18 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display device thereof |
| EP3667653A1 (en) * | 2018-12-12 | 2020-06-17 | InnoLux Corporation | Electronic device |
| US11217655B2 (en) | 2018-12-12 | 2022-01-04 | Innolux Corporation | Electronic device |
| WO2020133073A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳市柔宇科技有限公司 | Screen driving method, display panel and display device |
| CN112639948A (en) * | 2018-12-27 | 2021-04-09 | 深圳市柔宇科技股份有限公司 | Screen driving method, display panel and display device |
| CN109830207A (en) * | 2019-03-27 | 2019-05-31 | 京东方科技集团股份有限公司 | The method of adjustment and device of electroluminescence display panel |
| CN110675819A (en) * | 2019-09-02 | 2020-01-10 | 深圳市华星光电半导体显示技术有限公司 | Connecting circuit of display panel light-emitting device |
| WO2021042533A1 (en) * | 2019-09-02 | 2021-03-11 | 深圳市华星光电半导体显示技术有限公司 | Connection circuit for light emitting devices of display panel |
| WO2021103156A1 (en) * | 2019-11-29 | 2021-06-03 | 深圳市华星光电半导体显示技术有限公司 | Method for improving ovss voltage drop of oled display panel and oled display panel |
| CN111984049A (en) * | 2020-09-01 | 2020-11-24 | 成都天锐星通科技有限公司 | Differential pressure control method and system and active phased array antenna |
| CN113674679A (en) * | 2021-08-19 | 2021-11-19 | 深圳市华星光电半导体显示技术有限公司 | Light-emitting panel |
| CN115083368A (en) * | 2022-07-26 | 2022-09-20 | Tcl华星光电技术有限公司 | Charging compensation device, display terminal and charging compensation method |
| CN115083368B (en) * | 2022-07-26 | 2024-03-26 | Tcl华星光电技术有限公司 | Charging compensation device, display terminal and charging compensation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015180323A1 (en) | 2015-12-03 |
| CN104050915B (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104050915B (en) | AMOLED display panel and AMOLED display device | |
| CN104465715B (en) | Image element circuit, driving method, display panel and display device | |
| CN103165080B (en) | Pixel circuit and driving method and display device thereof | |
| CN103325340B (en) | Pixel circuit, pixel circuit driving method and display device | |
| CN104809989A (en) | Pixel circuit, drive method thereof and related device | |
| CN104021754B (en) | A kind of image element circuit, organic EL display panel and display device | |
| CN103383835A (en) | Pixel circuit, display panel and display device | |
| CN104217682A (en) | Pixel circuit, organic electroluminescent display panel and display device | |
| CN106448562A (en) | Display panel and display equipment | |
| CN103971640A (en) | Pixel driving circuit, driving method of pixel driving circuit and display device | |
| CN103383836A (en) | Pixel circuit and driving method, display panel and display device of pixel circuit | |
| CN103198793A (en) | Pixel circuit, drive method and display device thereof | |
| CN203480803U (en) | Pixel circuit, display panel, and display device | |
| CN104217681A (en) | Pixel circuit, display panel and display device | |
| CN104008726A (en) | Pixel circuit of active organic electroluminescence displayer and driving method of pixel circuit | |
| CN104157241A (en) | Pixel drive circuit and drive method thereof and display device | |
| CN104835453A (en) | Pixel circuit, drive method and display device | |
| CN103354077A (en) | Pixel drive circuit and display panel | |
| CN105702199A (en) | Pixel unit and driving method thereof | |
| CN103971643B (en) | A kind of organic light-emitting diode pixel circuit and display device | |
| CN206097868U (en) | Display panel and display device | |
| CN105336293A (en) | OLED (organic light emitting diode) pixel circuit | |
| CN103927976A (en) | Organic light-emitting diode pixel drive circuit and organic light-emitting diode display | |
| CN105702198B (en) | Pixel unit and its driving method | |
| CN103927983B (en) | Image element circuit, display base plate and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |