CN103000132A - Pixel driving circuit and display panel - Google Patents
Pixel driving circuit and display panel Download PDFInfo
- Publication number
- CN103000132A CN103000132A CN2012105400590A CN201210540059A CN103000132A CN 103000132 A CN103000132 A CN 103000132A CN 2012105400590 A CN2012105400590 A CN 2012105400590A CN 201210540059 A CN201210540059 A CN 201210540059A CN 103000132 A CN103000132 A CN 103000132A
- Authority
- CN
- China
- Prior art keywords
- film transistor
- light
- tft
- signal
- thin film
- 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
Images
Landscapes
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a pixel driving circuit and a display panel. The pixel driving circuit comprises a driving signal generation circuit, a lighting circuit and a switching circuit, the driving signal generation circuit is used for generating and outputting a driving signal when receiving control signals, the lighting circuit comprises at least two lighting elements corresponding to pixels, and the switching circuit is arranged between the driving signal generation circuit and the lighting circuit and used for outputting the driving signal to at least one of the two lighting elements under control of switching signals to enable lighting elements receiving the driving signal to light under driving of the driving signal. The pixel driving circuit drives the lighting elements in each lighting area in a time-sharing mode to achieve lighting and displaying of each lighting area, and service life of the display panel can be improved.
Description
Technical field
The present invention relates to the pixel driver technical field, relate in particular to a kind of pixel-driving circuit and have the display panel of this pixel-driving circuit.
Background technology
Present AMOLED (Active Matrix/Organic Light Emitting Diode, the active matrix organic light-emitting diode (AMOLED) panel) in the dot structure of display panel, the only corresponding light-emitting zone of each dot structure, when this light-emitting zone drives signal scanning at every frame, signal all will write this light-emitting zone, make this light-emitting zone drive the equal luminescence display of signal at every frame, OLED (the OrganicLight-Emitting Diode that can cause like this light-emitting zone, Organic Light Emitting Diode) structural life-time can reduce greatly, thereby reduces the serviceable life of AMOLED display panel.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of pixel-driving circuit and display panel, improve the life-span of display panel.
According to an aspect of the present invention, provide a kind of pixel-driving circuit, having comprised: a drive signal generation circuit, be used for when receiving control signal, generate and export one and drive signal; One illuminating circuit comprises: at least two light-emitting components corresponding with pixel; Be arranged at the on-off circuit between described drive signal generation circuit and the illuminating circuit, be used under the control of switching signal, described driving signal is outputed in described at least two light-emitting components at least one, can be luminous under the driving of described driving signal so that receive the light-emitting component of described driving signal.
Alternatively, described at least two light-emitting components comprise: the first light-emitting component and the second light-emitting component, and described on-off circuit comprises: the first on-off element and second switch element, described switching signal comprises: the first switching signal and second switch signal; When receiving the described control signal of the first frame, described second switch element disconnects, described the first on-off element conducting under the control of described the first switching signal, described the second light-emitting component is in closed condition, and described the first light-emitting component that receives described driving signal is in luminance; When receiving the described control signal of second frame adjacent with described the first frame, described the first on-off element disconnects, described second switch element conductive under the control of described second switch signal, described the first light-emitting component is in closed condition, and described the second light-emitting component that receives described driving signal is in luminance.
According to another aspect of the present invention, provide a kind of display panel, comprised aforesaid pixel-driving circuit.
As shown from the above technical solution, embodiments of the invention have following beneficial effect: a light-emitting zone in the conventional pixel district is divided into two or above light-emitting zone, by the light-emitting component in above each light-emitting zone of pixel-driving circuit timesharing driving, realize each light-emitting zone luminescence display, not only can improve the life-span of display panel, and when the needs high brightness, can also be set to be in luminance by all light-emitting zones, to improve the brightness of display panel.
Description of drawings
Fig. 1 represents in the embodiments of the invention pixel region to be divided into the synoptic diagram of 2 light-emitting zones;
Fig. 2 represents to have in the embodiments of the invention synoptic diagram of the display panel that the pixel region matrix form of a plurality of light-emitting zones distributes;
Fig. 3 represents the block diagram of pixel-driving circuit in the embodiments of the invention;
Fig. 4 represents the structural representation of embodiments of the invention pixel-driving circuit; And
Fig. 5 represents the sequential chart of the first switching signal G1_a and second switch signal G1_b in the embodiments of the invention.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although has shown exemplary embodiment disclosed by the invention in the accompanying drawing, yet should be appreciated that and to realize the present invention with various forms, and the embodiment that should do not set forth here limits.On the contrary, it is in order to understand the present invention more thoroughly that these embodiment are provided, and can with scope of the present invention complete convey to those skilled in the art.
The at present most of employing of AMOLED display panel top emission type, different according to R/G/B EL material and structure, the light-emitting area of the actual use of AMOLED display panel only accounts for about 30%～40% of pixel region size.Can take full advantage of in an embodiment of the present invention the shared space of pixel region, the light-emitting area of pixel region is divided into light-emitting zone more than 2 or 2, by corresponding pixel-driving circuit respective outer side edges, realize that timesharing controls the different light-emitting zones in the same pixel, show to realize pixel.Making like this each light-emitting zone is not can be luminous when each frame drives signal, can improve thus the serviceable life of display panel.When needing higher brightness, each light-emitting zone of dot structure all can be set to luminance simultaneously, to improve display brightness.
Referring to Fig. 1, for in the embodiments of the invention pixel region being divided into the synoptic diagram of 2 light-emitting zones, wherein the first light-emitting zone meets the first switching signal G1_a, this first switching signal G1_a is used for the first on-off element conducting of control the first light-emitting zone, the second light-emitting zone meets second switch signal G1_b, and this second switch signal G1_b is used for control second switch element conductive.Fig. 2 is the synoptic diagram that has the display panel that the pixel region matrix form of a plurality of light-emitting zones distributes in the embodiments of the invention, and the rectangle among Fig. 2 represents light-emitting zone.
In order to realize the different light-emitting zone time-sharing function in the same pixel region, the below is divided into 2 light-emitting zones are introduced pixel-driving circuit as example structure take a pixel region.What certainly can understand is, a pixel region is divided into the light-emitting zone more than 2 pixel-driving circuit structure similarly, no longer apply at this and to state.
Referring to Fig. 3, be the block diagram of pixel-driving circuit in the embodiments of the invention, this pixel-driving circuit 30 comprises: a drive signal generation circuit 31, be used for when receiving the Data control signal, generate and export one and drive signal; One illuminating circuit 32, comprise: at least two light-emitting components corresponding with pixel, and be arranged at on-off circuit 33 between drive signal generation circuit 31 and the illuminating circuit 32, be used under the control of switching signal, output at least two light-emitting components at least one with driving signal, can be luminous under the driving of described driving signal so that receive the light-emitting component that drives signal.
By the light-emitting component in the pixel-driving circuit timesharing driving light-emitting zone, realize each light-emitting zone luminescence display, not only can improve the life-span of display panel, and when the needs high brightness, can also be set to be in luminance by all light-emitting zones, to improve the brightness of display panel.
In one embodiment of the invention, at least two light-emitting components comprise: the first light-emitting component 322 and the second light-emitting component 324, on-off circuit 33 comprises: the first on-off element 332 and second switch element 334, and switching signal comprises: the first switching signal and second switch signal;
When receiving the Data control signal of the first frame, second switch element 334 disconnects, under the control of the first switching signal, and 332 conductings of the first on-off element, receive the first light-emitting component 322 that drives signal and be in luminance, the second light-emitting component 324 is in closed condition;
When receiving the Data control signal of second frame adjacent with the first frame, the first on-off element 332 disconnects, under the control of second switch signal, 334 conductings of second switch element, receive the second light-emitting component 324 that drives signal and be in luminance, the first light-emitting component 322 is in closed condition.
Referring to Fig. 4, structural representation for the embodiments of the invention pixel-driving circuit, this pixel-driving circuit comprises: drive signal generation circuit, on-off circuit and illuminating circuit, wherein drive signal generation circuit comprises: the first film transistor M1, the second thin film transistor (TFT) M2 and charging capacitor C1, on-off circuit comprises: the 3rd thin film transistor (TFT) M3 and the 4th thin film transistor (TFT) M4, illuminating circuit comprises: the first light emitting diode D1 and the second light emitting diode D2, switching signal comprises: the first switching signal G1_a and second switch signal G1_b, wherein
The drain electrode of the first film transistor M1 connects the Data control signal, the grid of the first film transistor M1 meets scanning-line signal Gate, the source electrode of the first film transistor M1 respectively with the end of charging capacitor C1 be connected the grid of thin film transistor (TFT) M2 and be connected another termination operating voltage VDD of charging capacitor C1; The source electrode of the second thin film transistor (TFT) M2 meets operating voltage VDD, and the drain electrode of the second thin film transistor (TFT) M2 is connected with the source electrode of the 3rd thin film transistor (TFT) M3 and the source electrode of the 4th thin film transistor (TFT) M4 respectively; The grid of the 3rd thin film transistor (TFT) M3 meets the first luminous switching signal G1_a for control the second light emitting diode D2, and the drain electrode of the 3rd thin film transistor (TFT) M3 connects the end of the second light emitting diode D2, another termination ground voltage VSS of the second light emitting diode D2; The grid of the 4th thin film transistor (TFT) M4 meets the luminous second switch signal G1_b for control the first light emitting diode D1, and the drain electrode of the 4th thin film transistor (TFT) M4 connects the end of the first light emitting diode D1, another termination ground voltage VSS of the first light emitting diode D1.Drive the first light emitting diode D1 and the second light emitting diode D2 by the pixel-driving circuit timesharing, realize the first light emitting diode D1 and the second light emitting diode respectively or the while luminescence display, the life-span of Effective Raise display panel.
Referring to Fig. 5, sequential chart for the first switching signal G1_a in the embodiments of the invention and second switch signal G1_b, when the Data of the first frame control signal is in high level, scanning-line signal Gate and the first switching signal G1_a are in high level state, control luminous second switch signal G1_b and be in low level state this moment, after scanning-line signal Gate is in high level, the Data control signal is transferred to the grid of the second thin film transistor (TFT) M2 by the first film transistor M1, and carrying out electric charge in glow phase by charging capacitor C1 keeps, be transferred to the grid of the second thin film transistor (TFT) M2 as control signal Data after, make the second thin film transistor (TFT) M2 work in the saturation region.Write with glow phase the 3rd thin film transistor (TFT) M3 in data and to be in opening (conducting), the 4th thin film transistor (TFT) M4 is in closed condition (disconnection), write and glow phase in the control signal Data of the first frame data, the second light emitting diode D2 is in luminance, and the first light emitting diode D1 is in closed condition.
When the control signal Data of second frame adjacent with the first frame is in high level, the first switching signal G1_a is in low level state, second switch signal G1_b becomes high level state by low level state, write and glow phase at the second frame data, the second light emitting diode D2 is in closed condition, and the first light emitting diode D1 is in luminance.The like, thereby realize that every control frame signal selects the different light-emitting zones in the pixel region.When needs improve brightness, the first switching signal G1_a and second switch signal G1_b are in high level state simultaneously, so that the first light emitting diode D1 and the second light emitting diode D2 are simultaneously luminous, thereby strengthen the brightness of pixel region.
In one embodiment of the invention, the pixel region of pixel-driving circuit comprises: the first light-emitting zone and the second light-emitting zone, and wherein the second light emitting diode D2 is positioned at the first light-emitting zone, and the first light emitting diode D1 is positioned at the second light-emitting zone.
In one embodiment of the invention, the first light emitting diode D1 and the second light emitting diode D2 are Organic Light Emitting Diode.
The present invention also provides a kind of display panel, comprises pixel-driving circuit, and this pixel-driving circuit structure is identical with the structure of the pixel-driving circuit of the above, no longer applies at this and states.
In one embodiment of the invention, display panel is the active matrix organic light-emitting diode (AMOLED) panel.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a pixel-driving circuit is characterized in that, comprising:
One drive signal generation circuit is used for when receiving control signal (Data), generates and exports one and drive signal;
One illuminating circuit comprises: at least two light-emitting components corresponding with pixel;
Be arranged at the on-off circuit between described drive signal generation circuit and the illuminating circuit, be used under the control of switching signal, described driving signal is outputed in described at least two light-emitting components at least one, can be luminous under the driving of described driving signal so that receive the light-emitting component of described driving signal.
2. pixel-driving circuit according to claim 1, it is characterized in that, described at least two light-emitting components comprise: the first light-emitting component and the second light-emitting component, described on-off circuit comprises: the first on-off element and second switch element, and described switching signal comprises: the first switching signal and second switch signal;
When receiving the described control signal (Data) of the first frame, described second switch element disconnects, described the first on-off element conducting under the control of described the first switching signal, described the second light-emitting component is in closed condition, and described the first light-emitting component that receives described driving signal is in luminance;
When receiving the described control signal (Data) of second frame adjacent with described the first frame, described the first on-off element disconnects, described second switch element conductive under the control of described second switch signal, described the first light-emitting component is in closed condition, and described the second light-emitting component that receives described driving signal is in luminance.
3. pixel-driving circuit according to claim 1 is characterized in that, described drive signal generation circuit comprises: the first film transistor (M1), the second thin film transistor (TFT) (M2) and charging capacitor (C1), wherein:
The drain electrode of described the first film transistor (M1) connects control signal (Data), the grid of described the first film transistor (M1) connects scanning-line signal (Gate), the source electrode of described the first film transistor (M1) respectively with an end of described charging capacitor (C1) be connected the grid of the second thin film transistor (TFT) (M2) and be connected another termination operating voltage (VDD) of described charging capacitor (C1);
The source electrode of described the second thin film transistor (TFT) (M2) connects described operating voltage (VDD), and described the second thin film transistor (TFT) (M2) is used for exporting described driving signal.
4. pixel-driving circuit according to claim 3, it is characterized in that, described switching signal comprises: the first switching signal (G1_a) and second switch signal (G1_b), and described on-off circuit comprises: the 3rd thin film transistor (TFT) (M3) and the 4th thin film transistor (TFT) (M4); Illuminating circuit comprises: the first light emitting diode (D1) and the second light emitting diode (D2), wherein:
The source electrode of described the 3rd thin film transistor (TFT) (M3) connects the drain electrode of described the second thin film transistor (TFT) (M2), the grid of described the 3rd thin film transistor (TFT) (M3) connects be used to controlling luminous the first switching signal (G1_a) of described the second light emitting diode (D2), the drain electrode of described the 3rd thin film transistor (TFT) (M3) connects an end of described the second light emitting diode (D2), another termination ground voltage (VSS) of described the second light emitting diode (D2);
The source electrode of described the 3rd thin film transistor (TFT) (M4) connects the drain electrode of described the second thin film transistor (TFT) (M2), the grid of described the 4th thin film transistor (TFT) (M4) connects be used to controlling the luminous second switch signal (G1_b) of described the first light emitting diode (D1), the drain electrode of described the 4th thin film transistor (TFT) (M4) connects an end of described the first light emitting diode (D1), the described ground voltage of another termination (VSS) of described the first light emitting diode (D1) is by described the first light emitting diode of described drive (D1) and described the second light emitting diode (D2) difference or simultaneously luminous.
5. pixel-driving circuit according to claim 4, it is characterized in that, when the control signal (Data) of the first frame when being in high level, described the 4th thin film transistor (TFT) (M4) disconnects, under the control of described the first switching signal (G1_a), described the 3rd thin film transistor (TFT) (M3) conducting, data write phase in the control signal (Data) of the first frame, described the second light emitting diode (D2) is in luminance, and described the first light emitting diode (D1) is in closed condition;
When the control signal (Data) of the second frame when being in high level, described the 3rd thin film transistor (TFT) (M3) disconnects, described the 4th thin film transistor (TFT) (M4) conducting under the control of described second switch signal (G1_b), data write phase in the control signal (Data) of the second frame, described the second light emitting diode (D2) is in closed condition, and described the first light emitting diode (D1) is in luminance.
6. pixel-driving circuit according to claim 5, it is characterized in that, after described scanning-line signal (Gate) is in high level, with described control signal (Data), be transferred to the grid of described the second thin film transistor (TFT) (M2) by described the first film transistor (M1), and carrying out electric charge in glow phase by described charging capacitor (C1) keeps, be transferred to the grid of described the second thin film transistor (TFT) (M2) when described control signal (Data) after, make described the second thin film transistor (TFT) (M2) work in saturation region and output drive signal.
7. pixel-driving circuit according to claim 4, it is characterized in that, the pixel region of described pixel-driving circuit comprises: the first light-emitting zone and the second light-emitting zone, wherein said the second light emitting diode (D2) is positioned at described the first light-emitting zone, and described the first light emitting diode (D1) is positioned at described the second light-emitting zone.
8. arbitrary described pixel-driving circuit is characterized in that according to claim 4～7, and described the first light emitting diode (D1) and described the second light emitting diode (D2) are Organic Light Emitting Diode.
9. a display panel is characterized in that, comprises the as above arbitrary described pixel-driving circuit of claim 1～8.
10. display panel according to claim 9 is characterized in that, described display panel is the active matrix organic light-emitting diode (AMOLED) panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210540059.0A CN103000132B (en) | 2012-12-13 | 2012-12-13 | Pixel driving circuit and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210540059.0A CN103000132B (en) | 2012-12-13 | 2012-12-13 | Pixel driving circuit and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103000132A true CN103000132A (en) | 2013-03-27 |
| CN103000132B CN103000132B (en) | 2015-05-06 |
Family
ID=47928639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210540059.0A Active CN103000132B (en) | 2012-12-13 | 2012-12-13 | Pixel driving circuit and display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103000132B (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325340A (en) * | 2013-06-25 | 2013-09-25 | 京东方科技集团股份有限公司 | Pixel circuit, pixel circuit driving method and display device |
| CN103366682A (en) * | 2013-07-25 | 2013-10-23 | 京东方科技集团股份有限公司 | Alternating current drive OLED (Organic Light Emitting Diode) circuit, driving method and display device |
| CN103383834A (en) * | 2013-07-02 | 2013-11-06 | 京东方科技集团股份有限公司 | Pixel circuit, display panel and display device |
| CN103489401A (en) * | 2013-09-03 | 2014-01-01 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof, array substrate and display device |
| CN103531149A (en) * | 2013-10-31 | 2014-01-22 | 京东方科技集团股份有限公司 | AC (alternating current)-driven pixel circuit, driving method and display device |
| CN103927973A (en) * | 2013-12-25 | 2014-07-16 | 上海中航光电子有限公司 | Display panel and pixel driving method thereof |
| CN104167181A (en) * | 2014-05-23 | 2014-11-26 | 友达光电股份有限公司 | Display and sub-pixel driving method thereof |
| WO2015000245A1 (en) * | 2013-07-02 | 2015-01-08 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, display panel, and display device |
| CN104732926A (en) * | 2015-04-03 | 2015-06-24 | 京东方科技集团股份有限公司 | Pixel circuit, organic electroluminescence display panel and display device |
| CN104867447A (en) * | 2015-04-21 | 2015-08-26 | 友达光电股份有限公司 | Pixel structure and driving method thereof |
| CN107068063A (en) * | 2017-04-21 | 2017-08-18 | 京东方科技集团股份有限公司 | Display device, pixel cell and its driving method |
| CN107342047A (en) * | 2017-01-03 | 2017-11-10 | 京东方科技集团股份有限公司 | Image element circuit and its driving method and display panel |
| CN107978281A (en) * | 2017-12-12 | 2018-05-01 | 北京京东方光电科技有限公司 | A kind of backlight module driving method, device and display device |
| CN108257556A (en) * | 2018-01-05 | 2018-07-06 | 友达光电股份有限公司 | Display device and driving method thereof |
| CN108922476A (en) * | 2018-06-21 | 2018-11-30 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED pixel driving circuit and OLED display |
| CN110264956A (en) * | 2019-06-21 | 2019-09-20 | 京东方科技集团股份有限公司 | Pixel circuit and its control method, display device |
| CN110890066A (en) * | 2019-11-26 | 2020-03-17 | 深圳市华星光电半导体显示技术有限公司 | Sub-pixel circuit, pixel circuit and display device |
| US10608020B2 (en) | 2018-04-03 | 2020-03-31 | Au Optronics Corporation | Display panel |
| CN111312158A (en) * | 2020-03-04 | 2020-06-19 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof and display device |
| CN112017589A (en) * | 2020-09-08 | 2020-12-01 | Tcl华星光电技术有限公司 | Multi-gray-scale pixel driving circuit and display panel |
| US11328654B2 (en) | 2020-09-08 | 2022-05-10 | Tcl China Star Optoelectronics Technology Co., Ltd. | Multi-grayscale pixel driving circuit and display panel |
| WO2022227485A1 (en) * | 2021-04-29 | 2022-11-03 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, display substrate and display apparatus |
| WO2022252508A1 (en) * | 2021-05-31 | 2022-12-08 | 京东方科技集团股份有限公司 | Pixel driving circuit and driving method therefor, and display substrate |
| WO2023058571A1 (en) * | 2021-10-06 | 2023-04-13 | 株式会社ジャパンディスプレイ | Display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670803A (en) * | 2004-05-04 | 2005-09-21 | 友达光电股份有限公司 | Method for color displacement and compensation of organic illuminated display |
| CN1886015A (en) * | 2005-06-22 | 2006-12-27 | 株式会社丰田自动织机 | Light emitting device using organic electroluminescent element |
| CN101976544A (en) * | 2010-09-30 | 2011-02-16 | 友达光电股份有限公司 | Display panel and display circuit |
| CN203070738U (en) * | 2012-12-13 | 2013-07-17 | 京东方科技集团股份有限公司 | Pixel driving circuit and display panel |
-
2012
- 2012-12-13 CN CN201210540059.0A patent/CN103000132B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670803A (en) * | 2004-05-04 | 2005-09-21 | 友达光电股份有限公司 | Method for color displacement and compensation of organic illuminated display |
| CN1886015A (en) * | 2005-06-22 | 2006-12-27 | 株式会社丰田自动织机 | Light emitting device using organic electroluminescent element |
| CN101976544A (en) * | 2010-09-30 | 2011-02-16 | 友达光电股份有限公司 | Display panel and display circuit |
| CN203070738U (en) * | 2012-12-13 | 2013-07-17 | 京东方科技集团股份有限公司 | Pixel driving circuit and display panel |
Cited By (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9269299B2 (en) | 2013-06-25 | 2016-02-23 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Pixel circuit, method for driving pixel circuit, and display panel |
| CN103325340B (en) * | 2013-06-25 | 2015-07-01 | 京东方科技集团股份有限公司 | Pixel circuit, pixel circuit driving method and display device |
| CN103325340A (en) * | 2013-06-25 | 2013-09-25 | 京东方科技集团股份有限公司 | Pixel circuit, pixel circuit driving method and display device |
| WO2015000245A1 (en) * | 2013-07-02 | 2015-01-08 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, display panel, and display device |
| CN103383834A (en) * | 2013-07-02 | 2013-11-06 | 京东方科技集团股份有限公司 | Pixel circuit, display panel and display device |
| CN103366682A (en) * | 2013-07-25 | 2013-10-23 | 京东方科技集团股份有限公司 | Alternating current drive OLED (Organic Light Emitting Diode) circuit, driving method and display device |
| CN103366682B (en) * | 2013-07-25 | 2015-06-17 | 京东方科技集团股份有限公司 | Alternating current drive OLED (Organic Light Emitting Diode) circuit, driving method and display device |
| CN103489401A (en) * | 2013-09-03 | 2014-01-01 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof, array substrate and display device |
| US9536474B2 (en) | 2013-09-03 | 2017-01-03 | Boe Technology Group Co., Ltd. | Pixel circuit having a plurality of blue organic light-emitting diodes and driving method thereof |
| CN103489401B (en) * | 2013-09-03 | 2016-11-23 | 京东方科技集团股份有限公司 | Image element circuit and driving method, array base palte and display device |
| WO2015062318A1 (en) * | 2013-10-31 | 2015-05-07 | 京东方科技集团股份有限公司 | Ac-driven pixel circuit, drive method and display device |
| US9881544B2 (en) | 2013-10-31 | 2018-01-30 | Boe Technology Group Co., Ltd. | Pixel circuit for AC driving, driving method and display apparatus |
| CN103531149A (en) * | 2013-10-31 | 2014-01-22 | 京东方科技集团股份有限公司 | AC (alternating current)-driven pixel circuit, driving method and display device |
| CN103531149B (en) * | 2013-10-31 | 2015-07-15 | 京东方科技集团股份有限公司 | AC (alternating current)-driven pixel circuit, driving method and display device |
| CN103927973B (en) * | 2013-12-25 | 2017-03-15 | 上海中航光电子有限公司 | A kind of display floater and its image element driving method |
| CN103927973A (en) * | 2013-12-25 | 2014-07-16 | 上海中航光电子有限公司 | Display panel and pixel driving method thereof |
| US9852683B2 (en) | 2014-05-23 | 2017-12-26 | Au Optronics Corporation | Display and sub-pixel driving method therein |
| CN104167181A (en) * | 2014-05-23 | 2014-11-26 | 友达光电股份有限公司 | Display and sub-pixel driving method thereof |
| WO2016155207A1 (en) * | 2015-04-03 | 2016-10-06 | 京东方科技集团股份有限公司 | Pixel circuit, organic electroluminescence display panel and display device |
| CN104732926A (en) * | 2015-04-03 | 2015-06-24 | 京东方科技集团股份有限公司 | Pixel circuit, organic electroluminescence display panel and display device |
| US9697770B2 (en) | 2015-04-03 | 2017-07-04 | Boe Technology Group Co., Ltd. | Pixel circuit, organic electroluminescent display panel and display device |
| CN104867447A (en) * | 2015-04-21 | 2015-08-26 | 友达光电股份有限公司 | Pixel structure and driving method thereof |
| CN107342047B (en) * | 2017-01-03 | 2020-06-23 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof and display panel |
| CN107342047A (en) * | 2017-01-03 | 2017-11-10 | 京东方科技集团股份有限公司 | Image element circuit and its driving method and display panel |
| US10909924B2 (en) | 2017-01-03 | 2021-02-02 | Boe Technology Group Co., Ltd. | Pixel circuit and driving method thereof, and display panel |
| CN107068063A (en) * | 2017-04-21 | 2017-08-18 | 京东方科技集团股份有限公司 | Display device, pixel cell and its driving method |
| CN107978281A (en) * | 2017-12-12 | 2018-05-01 | 北京京东方光电科技有限公司 | A kind of backlight module driving method, device and display device |
| CN107978281B (en) * | 2017-12-12 | 2020-11-10 | 北京京东方光电科技有限公司 | Backlight module driving method and device and display device |
| US11018493B2 (en) | 2017-12-12 | 2021-05-25 | Beijing Boe Optoelectronics Technology Co., Ltd. | Method for driving backlight module, driving device and display apparatus |
| CN108257556A (en) * | 2018-01-05 | 2018-07-06 | 友达光电股份有限公司 | Display device and driving method thereof |
| US10608020B2 (en) | 2018-04-03 | 2020-03-31 | Au Optronics Corporation | Display panel |
| CN108922476A (en) * | 2018-06-21 | 2018-11-30 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED pixel driving circuit and OLED display |
| CN108922476B (en) * | 2018-06-21 | 2020-06-12 | 武汉华星光电半导体显示技术有限公司 | OLED pixel driving circuit and OLED display |
| US10714014B2 (en) | 2018-06-21 | 2020-07-14 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED pixel driving circuit and OLED display |
| US11335262B2 (en) | 2019-06-21 | 2022-05-17 | Chongqing Boe Optoelectronics Technology Co., Ltd. | Pixel circuit, control method for the same and display device |
| CN110264956A (en) * | 2019-06-21 | 2019-09-20 | 京东方科技集团股份有限公司 | Pixel circuit and its control method, display device |
| WO2020253515A1 (en) * | 2019-06-21 | 2020-12-24 | 京东方科技集团股份有限公司 | Pixel circuit and control method therefor, and display apparatus |
| CN110890066A (en) * | 2019-11-26 | 2020-03-17 | 深圳市华星光电半导体显示技术有限公司 | Sub-pixel circuit, pixel circuit and display device |
| WO2021103172A1 (en) * | 2019-11-26 | 2021-06-03 | 深圳市华星光电半导体显示技术有限公司 | Subpixel circuit, pixel circuit, and display device |
| WO2021175017A1 (en) * | 2020-03-04 | 2021-09-10 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, and display device |
| CN111312158B (en) * | 2020-03-04 | 2021-11-30 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof and display device |
| CN111312158A (en) * | 2020-03-04 | 2020-06-19 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof and display device |
| US11763743B2 (en) | 2020-03-04 | 2023-09-19 | Boe Technology Group Co., Ltd. | Pixel circuit and driving method thereof, and display device |
| CN112017589A (en) * | 2020-09-08 | 2020-12-01 | Tcl华星光电技术有限公司 | Multi-gray-scale pixel driving circuit and display panel |
| WO2022052240A1 (en) * | 2020-09-08 | 2022-03-17 | Tcl华星光电技术有限公司 | Multi-grayscale pixel driving circuit, and display panel |
| US11328654B2 (en) | 2020-09-08 | 2022-05-10 | Tcl China Star Optoelectronics Technology Co., Ltd. | Multi-grayscale pixel driving circuit and display panel |
| WO2022227485A1 (en) * | 2021-04-29 | 2022-11-03 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, display substrate and display apparatus |
| WO2022252508A1 (en) * | 2021-05-31 | 2022-12-08 | 京东方科技集团股份有限公司 | Pixel driving circuit and driving method therefor, and display substrate |
| US12008960B2 (en) | 2021-05-31 | 2024-06-11 | Boe Technology Group Co., Ltd. | Pixel driving circuit and method for driving the same, and display substrate |
| WO2023058571A1 (en) * | 2021-10-06 | 2023-04-13 | 株式会社ジャパンディスプレイ | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103000132B (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103000132B (en) | Pixel driving circuit and display panel | |
| CN108039148B (en) | A kind of display panel and electronic equipment | |
| CN107481673B (en) | A kind of organic light emitting display panel and its driving method and driving device | |
| US9666136B2 (en) | Array substrate for discharging rapidly charges stored in the pixel units when display device is powered off and driving method thereof and display device | |
| CN204680360U (en) | A kind of image element circuit and display device | |
| CN103383836B (en) | Pixel circuit and driving method, display panel and display device of pixel circuit | |
| CN104036729B (en) | Pixel-driving circuit and its driving method, display device | |
| CN103325340B (en) | Pixel circuit, pixel circuit driving method and display device | |
| CN114758619A (en) | Pixel circuit, driving method thereof, display panel and display device | |
| CN104599637A (en) | Pixel circuit drive method and drive device | |
| US9805647B2 (en) | Organic light emitting display including demultiplexer and driving method thereof | |
| CN110675824B (en) | Signal output circuit, driving IC, display device and driving method thereof | |
| US9280930B2 (en) | Back to back pre-charge scheme | |
| CN104036731B (en) | Image element circuit and display device | |
| CN105355171A (en) | Driving scanning circuit, display screen and mobile terminal | |
| CN106782329B (en) | Organic light emitting display panel and driving method thereof | |
| CN105185321A (en) | AMOLED (active matrix/organic light emitting diode) drive circuit, display panel and display | |
| US20160379561A1 (en) | Control circuit and control method of amoled partition drive | |
| JP2017535813A (en) | AMOLED driving apparatus and driving method | |
| CN104091820B (en) | Pixel circuit and display device | |
| CN104282260A (en) | Display device, driving method for display device and electronic apparatus | |
| CN103971634A (en) | Pixel unit driving circuit, display substrate, display panel and display device | |
| CN203070738U (en) | Pixel driving circuit and display panel | |
| CN106097957A (en) | Image element circuit and driving method, array base palte, display device | |
| CN113611248B (en) | Display panel, driving method of switch circuit of display panel 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 |