CN101630480B - Pixel, method for driving pixels and organic light emitting display - Google Patents
Pixel, method for driving pixels and organic light emitting display Download PDFInfo
- Publication number
- CN101630480B CN101630480B CN200910140203XA CN200910140203A CN101630480B CN 101630480 B CN101630480 B CN 101630480B CN 200910140203X A CN200910140203X A CN 200910140203XA CN 200910140203 A CN200910140203 A CN 200910140203A CN 101630480 B CN101630480 B CN 101630480B
- Authority
- CN
- China
- Prior art keywords
- voltage
- data
- signal
- coupled
- power
- 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.)
- Active
Links
Images
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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0847—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory without any storage capacitor, i.e. with use of parasitic capacitances as storage elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application discloses a pixel, a method for driving pixels and an organic light emitting display. A pixel circuit coupled to a data line, a scan line, an emission control line, a power supply, a reference power source, and a light emitting element, includes: a data switch coupled between the data line and a first node, and having a control electrode coupled to the scan line; a reference switch coupled between the reference power source and a second node, and having a control electrode coupled to the scan line; a capacitor coupled between the first node and the second node; a driving transistor coupled between the power supply and the light emitting element, and having a gate electrode coupled to the second node; and an emission control switch coupled between the power supply and the first node, and having a control electrode coupled to the emission control line.
Description
The cross reference of related application
The application requires in the U.S. Provisional Patent Application No.61/079 of submission on July 8th, 2008,018 right of priority and rights and interests, and the full content of this application is herein incorporated by reference.
Technical field
Below explanation relates to the method and the OLED of image element circuit, driving pixels.
Background technology
Recently, comparing the various panel display apparatus with light weight and reduced size with cathode-ray tube (CRT) is developed.Such panel display apparatus comprises LCD (LCD), field-emitter display (FED), plasma display (PDP) and OLED or the like.
In these panel display apparatus, OLED is through utilizing the Organic Light Emitting Diode display image through the compound generation light in electronics and hole.Such Organic Light Emitting Diode utilizes low-power consumption to be driven and has the response time fast.
Usually; The pixel of organic light-emitting display device comprises holding capacitor; This holding capacitor with and first power supply and data-signal between the corresponding voltage of difference be recharged, and this pixel shows predetermined picture through offering Organic Light Emitting Diode with the corresponding electric current of the voltage that is filled.Here, first power supply is the voltage that electric current is offered pixel, and has relatively large voltage drop at the two ends of organic light-emitting display device.Therefore, because first power source voltage is fallen, be difficult in the holding capacitor of different pixels, fill with the voltage of expectation, and can't show desired images.
Summary of the invention
Therefore, exemplary embodiment of the present invention provides a kind of and is independent of that first power source voltage is fallen and/or the pixel of the expectation image quality of voltage ripple and display image, and the organic light-emitting display device that utilizes this pixel.
Exemplary embodiment of the present invention provides a kind of image element circuit; This image element circuit is coupled to data line, the sweep trace that is used to transmit sweep signal, the launch-control line that is used to transmit emissioning controling signal, the power supply that is used for supply capability voltage that is used for transmission of data signals, the reference power supply that is used to supply with reference voltage; And light-emitting component; This image element circuit comprises: data switch is coupled between said data line and the first node, and has the control electrode that is coupled to said sweep trace; Reference switches is coupled between said reference power supply and the Section Point, and has the control electrode that is coupled to said sweep trace; Capacitor is coupled between said first node and the said Section Point; Driving transistors is coupled between said power supply and the said light-emitting component, and has the grid that is coupled to said Section Point; And the emission control switch, be coupled between said power supply and the said first node, and have the control electrode that is coupled to said launch-control line.
The method that another exemplary embodiment of the present invention provides a kind of driving to comprise the pixel of light-emitting component, this method comprises: with and from the data-signal of data line with from the corresponding data voltage of the voltage difference between the reference voltage of reference power supply capacitor is charged; To offer the source electrode of driving transistors from the voltage of power of power supply; And the grid that will be applied to said driving transistors based on the driving voltage of said data voltage and said voltage of power; Wherein said light-emitting component is coupled to the drain electrode of said driving transistors; And wherein drive current is produced and is applied to said light-emitting component according to said driving voltage.
Another exemplary embodiment of the present invention provides a kind of OLED, comprising: many data lines that are used to apply data-signal; Be used to apply the multi-strip scanning line of sweep signal; Be used to apply many launch-control lines of emissioning controling signal; And a plurality of pixels that are limited at the place, intersection region of said many data lines, said multi-strip scanning line and said many launch-control lines, each pixel in said a plurality of pixels includes: the switching transistor that is used for according to said sweep signal said data-signal being applied to said pixel; Be used for to offer from the reference voltage of reference power supply the reference transistor of said pixel according to said sweep signal; Be used to store and said data-signal and said reference voltage between the capacitor of the corresponding data voltage of voltage difference; The emission control transistor; Be used for will offering from the voltage of power of power supply first end of said capacitor according to said emissioning controling signal so that second end of said capacitor is in and said voltage of power and said data voltage between the corresponding driving voltage of voltage difference under; Be used for producing the driving transistors of drive current according to said driving voltage; And be used for the light-emitting component luminous according to said drive current.
An exemplary embodiment more of the present invention provides a kind of OLED; Comprise a plurality of pixels; Each pixel in said a plurality of pixel all is coupled to one of many data lines that are used for transmission of data signals, be used to one of multi-strip scanning line that transmits sweep signal, be used to one of many launch-control lines that transmit emissioning controling signal, be used to provide first voltage of power first power supply, be used to provide the second source of second voltage of power; And the reference voltage source that is used to provide reference voltage; Each pixel in said a plurality of pixel includes: comprise the image element circuit of memory element, said memory element is used for according to corresponding first voltage of voltage difference between said sweep signal storage and said data-signal and the said reference voltage; And be coupled in the light-emitting component between said image element circuit and the said second source; First end of wherein said memory element is coupled to said first power supply according to said emissioning controling signal; And second end of said memory element floats; So that said second end is in and said first voltage of power and said first voltage between corresponding second voltage of voltage difference under, and wherein said light-emitting component is configured to according to said second voltage luminous.
Description of drawings
Drawing and description illustrate exemplary embodiment of the present invention together, and accompanying drawing is used to set forth principle of the present invention together with explanation.
Fig. 1 schematically illustration according to the organic light-emitting display device of the embodiment of the invention;
The circuit diagram of the embodiment of the pixel in Fig. 2 illustrated view 1; And
Fig. 3 is the oscillogram that the method for the pixel that drives Fig. 2 is shown.
Embodiment
Hereinafter, will be described in more detail exemplary embodiment of the present invention, can easily be implemented the those skilled in the art of these exemplary embodiments under the present invention referring to figs. 1 through Fig. 3.
Fig. 1 illustrates the organic light-emitting display device according to the embodiment of the invention.
With reference to Fig. 1; Organic light-emitting display device according to the embodiment of the invention comprises: the viewing area 130 that comprises a plurality of pixels 140 that are coupled to sweep trace S1-Sn, light emitting control line E1-En and data line D1-Dm; The scanner driver 110 that is used for driven sweep line S1-Sn and light emitting control line E1-En; Be used for the data driver 120 of driving data lines D1-Dm, and the time schedule controller 150 that is used for gated sweep driver 110 and data driver 120.
Each pixel 140 will offer second source ELVSS from the first power supply ELVDD with the corresponding electric current of voltage that filled in the holding capacitor through Organic Light Emitting Diode.Then, Organic Light Emitting Diode produces the light with a brightness (for example, predetermined brightness).
The circuit diagram of the embodiment of the pixel of Fig. 2 illustrated view 1.For the convenience of setting forth, Fig. 2 illustrates the pixel that is coupled to n sweep trace Sn and m data line Dm.
With reference to Fig. 2, the pixel 140 of the embodiment of the invention includes OLED OLED and the image element circuit 142 that is used for electric current is offered Organic Light Emitting Diode OLED.
Organic Light Emitting Diode OLED produces the color with the corresponding light of electric current that provides from image element circuit 142.For example, the Organic Light Emitting Diode OLED ruddiness, green glow or the blue light that have a brightness (for example, predetermined brightness) according to the volume production life of the electric current that provides from image element circuit 142.
First electrode of the first transistor M1 is coupled to data line Dm, and second electrode of this first transistor M1 is coupled to first node N1.The grid of the first transistor M1 is coupled to sweep trace Sn.The first transistor M1 is switched on when sweep signal is provided for sweep trace Sn, and data line Dm is electrically coupled to first node N1.
First electrode of transistor seconds M2 is coupled to the first power supply ELVDD, and second electrode of this transistor seconds M2 is coupled to Organic Light Emitting Diode OLED.The grid of transistor seconds M2 is coupled to Section Point N2.Transistor seconds M2 will with the corresponding electric current of the voltage that is applied to Section Point N2, promptly with holding capacitor Cst in the corresponding electric current of voltage that filled offer Organic Light Emitting Diode OLED.
First electrode of the 3rd transistor M3 is coupled to Section Point N2, and second electrode of the 3rd transistor M3 is coupled to reference voltage V ref.The grid of the 3rd transistor M3 is coupled to sweep trace Sn.The 3rd transistor M3 is switched on when sweep signal is provided for sweep trace Sn, so that reference voltage V ref is electrically coupled to Section Point N2.
First electrode of the 4th transistor M4 is coupled to the first power supply ELVDD, and second electrode of the 4th transistor M4 is coupled to first node N1.The grid of the 4th transistor M4 is coupled to light emitting control line En.The 4th transistor M4 is switched on when led control signal is provided, and when led control signal is not provided, is ended.Led control signal and sweep signal roughly overlap, and therefore the 4th transistor M4 is ended during a voltage (for example, predetermined voltage) is charged to the period among the holding capacitor Cst, and during the period except this charging period, is switched on.
First end of holding capacitor Cst is coupled to first node N1, and second end of this holding capacitor Cst is coupled to Section Point N2.And the corresponding voltage of the difference between reference voltage V ref and the data-signal is charged among the holding capacitor Cst.For this reason, data-signal is configured to be equal to or higher than reference voltage V ref.Data-signal is configured to be lower than the first power supply ELVDD.
Simultaneously, the first power supply ELVDD is coupled to each pixel 140 that is used for electric current is offered, and therefore according to the position of pixel 140 in viewing area 130 different voltages with different can take place and fall.But, reference voltage V ref does not offer each pixel 140 with electric current, thereby is independent of the position of pixel 140 and keeps roughly the same magnitude of voltage.
Fig. 3 is the oscillogram that the method for the pixel that drives Fig. 2 is shown.With reference to Fig. 3, at first, led control signal is provided for light emitting control line En, makes that the 4th transistor M4 is ended.After this, sweep signal is provided for sweep trace Sn, makes the first transistor M1 and the 3rd transistor M3 be switched on.
When the first transistor M1 was switched on, data-signal DS was provided for first node N1 from data line Dm.When the 3rd transistor M3 is switched on, be provided for Section Point N2 from the voltage of reference voltage V ref.At this moment, and the corresponding voltage of the difference between reference voltage V ref and the data-signal be charged among the holding capacitor Cst.
Here, voltage is independent of the first power supply ELVDD and is charged among the holding capacitor Cst.Therefore, the voltage that is filled among the holding capacitor Cst is independent of the voltage drop of the first power supply ELVDD and is set up.After a voltage (for example, predetermined voltage) was charged among the holding capacitor Cst, providing of sweep signal and led control signal suspended.
When providing of sweep trace Sn suspended, the first transistor M1 and the 3rd transistor M3 were ended in sweep signal.When providing of light emitting control line En suspended, the 4th transistor M4 was switched at led control signal.
When the 4th transistor M4 is switched on, be provided for first node N1 from the voltage of the first power supply ELVDD.At this moment, Section Point N2 is set to be in quick condition, and therefore, the voltage of Section Point N2 changes corresponding to the change in voltage of first node N1, thereby compensates the voltage drop among the first power supply ELVDD.
More particularly, when the 4th transistor M4 was switched on, along with the voltage of the first power supply ELVDD that influenced by voltage drop increases, the voltage increase at first node N1 place also possibly increase.For example, if the voltage of the first power supply ELVDD is 5V, and the voltage at the first node N1 place in first pixel is 3V, and then the voltage increase at the first node N1 place of first pixel equals 2V.If the voltage of the first power supply ELVDD is 4V, and the voltage at the first node N1 place in second pixel is 3V, then the voltage increase at the first node N1 place of second pixel equals 1V.
In this case, the grid of transistor seconds M2 and the voltage between the source electrode can be independent of the voltage drop of the first power supply ELVDD and between pixel, be held constant, thereby compensate the voltage drop of the first power supply ELVDD.In other words, along with the voltage drop increase of the first power supply ELVDD, the voltage that (under the situation of equalized data signal) is applied to the grid of transistor seconds M2 reduces, thereby compensates the voltage drop of the first power supply ELVDD.
Simultaneously, even the voltage of first node N1 changes owing to the ripple of the first power supply ELVDD, the voltage that is filled among the holding capacitor Cst can not change yet, but is maintained at the voltage place of constant.For example, when the voltage of the first node N1 ripple through the first power supply ELVDD rose, the voltage of Section Point N2 also correspondingly rose, thereby was independent of the ripple of the first power supply ELVDD and keeps constant voltage, and correspondingly prevented the generation of scintillation.
As stated, utilize pixel and the organic light-emitting display device that uses this pixel according to an exemplary embodiment of the present invention, can the voltage of expectation more easily be charged in the holding capacitor through utilizing reference voltage and data-signal.The voltage of the grid of driving transistors can be fallen to compensate first power source voltage by adjustment, to be used for the more easily expectation image quality of display image.And first end of the holding capacitor of pixel is coupled to first power supply, and second end of this holding capacitor is coupled to the grid of driving transistors, shows the image with desired qualities to be used to be independent of the ripple of first power supply.
Though the present invention has combined certain exemplary embodiments to be described; What it should be understood that is; The invention is not restricted to the disclosed embodiments, but opposite, the invention is intended to contain the spirit and interior various improvement and the equivalent arrangements of scope that are included in appended claims and equivalent thereof.
Claims (19)
1. image element circuit; Be coupled to data line, the sweep trace that is used to transmit sweep signal, the launch-control line that is used to transmit emissioning controling signal, the power supply that is used to provide voltage of power that is used for transmission of data signals, the reference power supply that is used to supply with reference voltage; And light-emitting component, this image element circuit comprises:
Data switch is coupled between said data line and the first node, and has the control electrode that is coupled to said sweep trace;
Reference switches is coupled between said reference power supply and the Section Point, and has the control electrode that is coupled to said sweep trace;
Capacitor is coupled between said first node and the said Section Point;
Driving transistors is coupled between said power supply and the said light-emitting component, and has the grid that is coupled to said Section Point; And
The emission control switch is coupled between said power supply and the said first node, and has the control electrode that is coupled to said launch-control line.
2. image element circuit according to claim 1; Wherein said data switch is configured to according to said sweep signal said data to said first node; Said reference switches is configured to according to said sweep signal said reference voltage offered said Section Point; Said capacitor be configured to store and said data-signal and said reference voltage between the corresponding data voltage of voltage difference; Said emission control switch is configured to according to said emissioning controling signal said voltage of power offered said first node; So that said Section Point is in and said voltage of power and said data voltage between the corresponding driving voltage of voltage difference under, and said driving transistors is configured to according to said driving voltage drive current transferred to said light-emitting component.
3. image element circuit according to claim 1, wherein said data-signal initially is independent of said voltage of power and is stored in the said capacitor.
4. image element circuit according to claim 1, wherein said data-signal have the high and voltage level lower than said voltage of power than said reference voltage.
5. image element circuit according to claim 1, wherein said data switch and said reference switches are configured to conducting simultaneously, and wherein said emission control switch is configured to when said data switch and said reference switches conducting, ended.
6. image element circuit according to claim 1, wherein said Section Point floats when said emission control switch conduction.
7. image element circuit according to claim 1, wherein said light-emitting component is configured to produce ruddiness, green glow or blue light, and the brightness of the said ruddiness, green glow or the blue light that are wherein produced by said light-emitting component is confirmed by said drive current.
8. a driving comprises the method for the pixel of light-emitting component, and this method comprises:
With and from the data-signal of data line with from the corresponding data voltage of the voltage difference between the reference voltage of reference power supply capacitor is charged;
To offer the source electrode of driving transistors from the voltage of power of power supply; And
To be applied to the grid of said driving transistors based on the driving voltage of said data voltage and said voltage of power;
Wherein said light-emitting component is coupled to the drain electrode of said driving transistors; And
Wherein drive current is produced and is applied to said light-emitting component according to said driving voltage,
It is wherein said that charging comprises to capacitor:
According to first end that through data switch said data-signal is applied to said capacitor from the sweep signal of sweep trace; And
Through reference switches said reference voltage is offered second end of said capacitor according to said sweep signal.
9. the method for driving pixels according to claim 8, wherein said data switch and said reference switches are by the while conducting and end.
10. the method for driving pixels according to claim 8 further comprises: through according to the emissioning controling signal conducting emission control switch from launch-control line, said voltage of power is offered first end of said capacitor.
11. the method for driving pixels according to claim 10; Second end of wherein said capacitor floats when said voltage of power is supplied to first end of said capacitor, so that said driving voltage is corresponding to the voltage difference between said voltage of power and the said data voltage.
12. the method for driving pixels according to claim 10, wherein said emission control switch is ended between to said capacitor charge period, so that said data voltage is independent of said voltage of power and charges.
13. an OLED comprises:
Be used to apply many data lines of data-signal;
Be used to apply the multi-strip scanning line of sweep signal;
Be used to apply many launch-control lines of emissioning controling signal; And
Be limited at a plurality of pixels at the place, intersection region of said many data lines, said multi-strip scanning line and said many launch-control lines, each pixel in said a plurality of pixels includes:
Be used for said data-signal being applied to the switching transistor of said pixel according to said sweep signal;
Be used for to offer from the reference voltage of reference power supply the reference transistor of said pixel according to said sweep signal;
Be used to store and said data-signal and said reference voltage between the capacitor of the corresponding data voltage of voltage difference;
The emission control transistor; Be used for will offering from the voltage of power of power supply first end of said capacitor according to said emissioning controling signal so that second end of said capacitor is in and said voltage of power and said data voltage between the corresponding driving voltage of voltage difference under;
Be used for producing the driving transistors of drive current according to said driving voltage; And
Be used for the light-emitting component luminous according to said drive current.
14. OLED according to claim 13, wherein said reference voltage is all identical for each pixel in said a plurality of pixels.
15. OLED according to claim 13, wherein said switching transistor and said reference transistor are configured to conducting simultaneously and end.
16. OLED according to claim 15; Wherein said emission control transistor is configured to when said switching transistor and said reference transistor conducting, ended, so that said data voltage is independent of said voltage of power and is charged in the said capacitor.
17. OLED according to claim 13, wherein said data line have the high and voltage level lower than said voltage of power than said reference voltage.
18. OLED according to claim 13, second end of wherein said capacitor floats when said emission control transistor turns, to confirm said driving voltage.
19. OLED; Comprise a plurality of pixels; Each pixel in said a plurality of pixel all is coupled to one of many data lines that are used for transmission of data signals, be used to one of multi-strip scanning line that transmits sweep signal, be used to one of many launch-control lines that transmit emissioning controling signal, be used to provide first voltage of power first power supply, be used to provide the second source of second voltage of power; And the reference power supply that is used to provide reference voltage, each pixel in said a plurality of pixels includes:
The image element circuit that comprises memory element, said memory element are used for according to corresponding first voltage of voltage difference between said sweep signal storage and said data-signal and the said reference voltage; And
Be coupled in the light-emitting component between said image element circuit and the said second source;
First end of wherein said memory element is coupled to said first power supply according to said emissioning controling signal; And second end of said memory element floats; So that said second end is in and said first voltage of power and said first voltage between corresponding second voltage of voltage difference under, and
Wherein said light-emitting component is configured to according to said second voltage luminous.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7901808P | 2008-07-08 | 2008-07-08 | |
| US61/079,018 | 2008-07-08 | ||
| US12/495,729 | 2009-06-30 | ||
| US12/495,729 US20100007651A1 (en) | 2008-07-08 | 2009-06-30 | Pixel and organic light emitting display using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630480A CN101630480A (en) | 2010-01-20 |
| CN101630480B true CN101630480B (en) | 2012-06-27 |
Family
ID=41575572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910140203XA Active CN101630480B (en) | 2008-07-08 | 2009-07-07 | Pixel, method for driving pixels and organic light emitting display |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20100006106A (en) |
| CN (1) | CN101630480B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101748743B1 (en) | 2010-12-27 | 2017-06-20 | 삼성디스플레이 주식회사 | Pixel and Organic Light Emitting Display Device Using the same |
| KR20150011661A (en) | 2013-07-23 | 2015-02-02 | 삼성디스플레이 주식회사 | Organic emitting display device and driving method thereof |
| KR102226422B1 (en) * | 2014-10-13 | 2021-03-12 | 삼성디스플레이 주식회사 | Orgainic light emitting display and driving method for the same |
| KR102237748B1 (en) * | 2014-11-24 | 2021-04-12 | 삼성디스플레이 주식회사 | Orgainic light emitting display and driving method for the same |
| CN107845364B (en) * | 2016-09-19 | 2019-10-18 | 上海和辉光电有限公司 | Pixel compensation circuit and display device |
| KR102566551B1 (en) * | 2016-12-05 | 2023-08-14 | 삼성디스플레이주식회사 | Display device and method for driving the same |
| CN106991968B (en) | 2017-05-27 | 2020-11-27 | 京东方科技集团股份有限公司 | Pixel compensation circuit, pixel compensation method and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964585A (en) * | 2005-11-09 | 2007-05-16 | 三星Sdi株式会社 | Pixel and organic light emitting display device using the same |
| CN101097677A (en) * | 2006-06-30 | 2008-01-02 | 索尼株式会社 | Display apparatus and driving method therefor |
-
2009
- 2009-02-17 KR KR1020090012808A patent/KR20100006106A/en not_active Application Discontinuation
- 2009-07-07 CN CN200910140203XA patent/CN101630480B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964585A (en) * | 2005-11-09 | 2007-05-16 | 三星Sdi株式会社 | Pixel and organic light emitting display device using the same |
| CN101097677A (en) * | 2006-06-30 | 2008-01-02 | 索尼株式会社 | Display apparatus and driving method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101630480A (en) | 2010-01-20 |
| KR20100006106A (en) | 2010-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102298900B (en) | Organic light emitting display and driving method thereof | |
| JP5308990B2 (en) | Organic electroluminescent display device and driving method thereof | |
| KR101056302B1 (en) | Organic light emitting display | |
| KR101056241B1 (en) | Organic light emitting display | |
| US8633876B2 (en) | Pixel and organic light emitting display using the same | |
| US8654041B2 (en) | Organic light emitting display device having more uniform luminance and method of driving the same | |
| US8111218B2 (en) | Pixel, organic light emitting display using the same, and driving method thereof | |
| KR101064425B1 (en) | Organic Light Emitting Display Device | |
| US8379004B2 (en) | Pixel and organic light emitting display device using the same | |
| KR101681097B1 (en) | Pixel and Organic Light Emitting Display Device Using the same | |
| US9460658B2 (en) | Pixel and organic light emitting display device using the same | |
| US8138997B2 (en) | Pixel, organic light emitting display using the same, and associated methods | |
| KR101142729B1 (en) | Pixel and Organic Light Emitting Display Device Using the same | |
| US9754537B2 (en) | Organic light emitting display device and driving method thereof | |
| EP2144223B1 (en) | Pixel and organic light emitting display using the same | |
| KR20180112909A (en) | Organic light emitting display device and driving method thereof | |
| US20110090200A1 (en) | Organic light emitting display device and driving method thereof | |
| CN101630480B (en) | Pixel, method for driving pixels and organic light emitting display | |
| US8242983B2 (en) | Pixel and organic light emitting display device using the same | |
| US20110109660A1 (en) | Organic light emitting display device | |
| CN102376251A (en) | Organic light emitting display device | |
| KR20120012597A (en) | Pixel and Organic Light Emitting Display Device Using the same | |
| US8314788B2 (en) | Organic light emitting display device | |
| KR101748743B1 (en) | Pixel and Organic Light Emitting Display Device Using the same | |
| CN101206825A (en) | Pixel, display using the same, and driving method for the same |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG MOBILE DISPLAY CO., LTD. Effective date: 20120928 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120928 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Mobile Display Co., Ltd. |