CN107818760B - Display methods, display panel and the display device of display device - Google Patents
Display methods, display panel and the display device of display device Download PDFInfo
- Publication number
- CN107818760B CN107818760B CN201610825454.1A CN201610825454A CN107818760B CN 107818760 B CN107818760 B CN 107818760B CN 201610825454 A CN201610825454 A CN 201610825454A CN 107818760 B CN107818760 B CN 107818760B
- Authority
- CN
- China
- Prior art keywords
- display
- display panel
- source
- high level
- power supply
- 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
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]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Abstract
Present disclose provides a kind of display methods of display device, display panel and display device, the display device includes the first power supply, second source and display panel, which includes: that first power supply continues to provide high level to the display panel；The second source provides low level to the display panel, and the second source provides high level at least once to the display panel within the display cycle of each frame picture.Pass through at least variation of the low level to high level again within the display cycle of each frame picture, so that the Organic Light Emitting Diode in display panel can be reversed biasing, so that the depletion region in PN junction will not be always maintained at a state, therefore stray ion can be with rapid dispersion, to improve ghost phenomena, while can also solve the problems, such as to show as caused by organic diode stray ion to a certain extent bad.
Description
Technical field
This disclosure relates to field of display technology more particularly to a kind of display methods of display device, display panel and display
Device.
Background technique
Active matrix organic light-emitting diode or active-matrix Organic Light Emitting Diode (Active-matrix Organic
Light Emitting Diode, abbreviation AMOLED) it is that electric current driving shines, Fig. 1 shows the signal of AMOLED equivalent circuit
Figure, including driving transistor (Thin Film Transistor, an abbreviation TFT) 01 and Organic Light Emitting Diode (Organic
Light Emitting Diode, abbreviation OLED) 02, the grid of driving transistor 01 is connect with scan line, for providing scanning
The source electrode of signal, driving transistor 01 connects the first power supply ELVDD, for providing data-signal, drives the drain electrode of transistor 01
The anode of Organic Light Emitting Diode 02 is connected, the cathode of Organic Light Emitting Diode 02 connects second source ELVSS.It can referring to Fig. 1
Know, the brightness of Organic Light Emitting Diode 02 is determined by the electric current for flowing through its own.Display panel panel 00 and is also shown in Fig. 2
The connection relationship diagram of one power supply ELVDD and second source ELVSS.
In photoelectric display field, ghost refers mainly to the remaining image on display, and ghost phenomena Producing reason is main
It is when carrying out screen switching over the display, previous picture will not disappear at once, and visual effect and second picture are simultaneously
Occur, and can slowly disappear.But this ghost influences whether the display quality of picture, causes consumer discontented.
As it can be seen that how most to eliminate AMOLED fastly shows that the ghost on picture will become extremely important, it is therefore desirable to one
Display methods, display panel and the display device of the new display device of kind.
Above- mentioned information are only used for reinforcing the understanding to the background of the disclosure, therefore it disclosed in the background technology part
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
Aiming at the problems existing in the prior art, the disclosure provide the display methods of display device a kind of, display panel and
The technical issues of display device, ghost influences display quality when solving screen switching in the prior art.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to one aspect of the disclosure, a kind of display methods of display device is provided, the display device includes first
Power supply, second source and display panel, the display methods include:
First power supply continues to provide high level to the display panel；
The second source provides low level to the display panel, and the second source is in the display of each frame picture
High level at least once is provided to the display panel in period.
In a kind of exemplary embodiment of the disclosure, the second source opening within the display cycle of each frame picture
Stage beginning provides a high level.
In a kind of exemplary embodiment of the disclosure, knot of the second source within the display cycle of each frame picture
The beam stage provides a high level.
In a kind of exemplary embodiment of the disclosure, the second source opening within the display cycle of each frame picture
Stage beginning and ending phase are provided which a high level.
In a kind of exemplary embodiment of the disclosure, the second source within the display cycle of each frame picture in
Between either phase high level at least once is provided.
In a kind of exemplary embodiment of the disclosure, within the display cycle, the high level of the second source
The ratio that total duration accounts for the total duration of the display cycle is 0.1% to 10%.
According to one aspect of the disclosure, a kind of display panel is provided, the display panel is by the first power supply and the second electricity
Source is powered using above-described display methods.
According to one aspect of the disclosure, a kind of display device is provided, comprising:
Above-described display panel, has a first end and a second end；
First switching element has control terminal, input terminal and output end；
Second switch element has control terminal, input terminal and output end；
The first switching element and the control terminal of the second switch element are provided which scanning signal, the first switch
The input terminal of element connects the first end, and the first power supply is high to continuing to provide to the display panel by the first end
Level, the output end of the first switching element connects the output end of the second end and the second switch element, described
The input terminal of second switch element is for providing second source.
In a kind of exemplary embodiment of the disclosure, when the scanning signal is high level, the first switch member
Part shutdown, the second switch element conductive, first power supply provide high electricity to the display panel by the first end
Flat, the second source provides low level to the display panel by the second end.
In a kind of exemplary embodiment of the disclosure, when the scanning signal is low level, the second switch member
Part shutdown, the first switching element conducting, first power supply provide high electricity to the display panel by the first end
Flat, the level of the second end of the display panel is realized from the low level of the second source to the high level of first power supply
Conversion.
Based on the above-mentioned technical proposal it is found that the disclosure has the technical effect that
By within the display cycle of each frame picture at least again low level to high level variation so that display surface
Organic Light Emitting Diode in plate can be reversed biasing, so that the depletion region in PN junction will not be always maintained at a state, therefore
Stray ion to improve ghost phenomena, while can also can be solved to a certain extent due to organic diode with rapid dispersion
Bad problem is shown caused by stray ion.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It is more obvious.
Fig. 1 is the schematic diagram of the AMOLED equivalent circuit provided in one related embodiment of the disclosure.
Fig. 2 is the connection of the display panel panel and the first power supply and second source that provide in one related embodiment of the disclosure
Relation schematic diagram.
Fig. 3 is to be shown as exemplifying the schematic diagram of ghost picture variation with black and white gridiron pattern in one embodiment of the disclosure.
Fig. 4 is the structural schematic diagram of diode PN junction in one embodiment of the disclosure.
Fig. 5 is the formation basic theory schematic diagram of diode PN junction in one embodiment of the disclosure.
Fig. 6 is a kind of step flow chart of the display methods of the display device provided in one embodiment of the disclosure.
Fig. 7 is the signal waveforms of employing mode a period of time second source ELVSS in one embodiment of the disclosure.
The signal waveforms of second source ELVSS when Fig. 8 is employing mode two in one embodiment of the disclosure.
The signal waveforms of second source ELVSS when Fig. 9 is employing mode three in one embodiment of the disclosure.
The signal waveforms of second source ELVSS when Figure 10 is employing mode four in one embodiment of the disclosure.
Figure 11 is a kind of structural schematic diagram of the display device provided in disclosure another embodiment.
Figure 12 is the signal waveforms of scanning signal SW in disclosure another embodiment.
Figure 13 is really to show circuit state schematic diagram in the period in disclosure another embodiment.
Figure 14 is circuit state schematic diagram in flip-flop transition section in disclosure another embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar part, thus the detailed description that will omit them.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to embodiment of the disclosure.However,
It will be appreciated by persons skilled in the art that can be with technical solution of the disclosure without one in the specific detail or more
It is more, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material or operation are to avoid fuzzy all aspects of this disclosure.
Fig. 3 is shown as exemplifying the schematic diagram of ghost picture variation with black and white gridiron pattern, it can be seen that black and white chessboard
Lattice point bright a period of time can remain when being switched to grayscale, and being then allowed to stand can disappear for a period of time.Wherein left side starts first in Fig. 3
A picture is that black and white gridiron pattern normally shows that picture, second picture are that normal display picture is remaining excessively to grayscale, third
A picture is that grayscale remains picture.The voltage of OLED cathode corresponding to black picture and white picture is fixed when first picture, sun
The voltage of pole will be different, and at this moment the cross-pressure at OLED yin-yang the two poles of the earth of black picture and white picture is different.
Organic Light Emitting Diode 02 in Fig. 1 is in forward bias, and Fig. 4 shows the structural schematic diagram of diode PN junction, packet
P type island region and N-type region are included, p type island region connects the anode of additional power source, and N-type region connects the cathode powered up of adding some points outside, forms PN between twoth area
Knot.Fig. 5 shows the formation basic theory schematic diagram of diode PN junction, and a large amount of electronics is assembled in p type island region, and N-type region assembles a large amount of hole,
When applying the bigger electric field of an opposite direction, its internal built-in field can be offset, carrier is also allow to continue to move,
To form linear forward current.And the resistance that additional backward voltage is then equivalent to built in field is bigger, PN junction cannot be connected,
Only extremely weak reverse current (being formed by the drift motion of minority carrier, because of few sub- limited amount, current saturation).When anti-
When increasing to a certain numerical value to voltage, because the quantity and energy of few son all increase, the covalent bond inside meeting impact wreckage makes original
Bound electrons and holes are released, and constantly increase electric current, final PN junction damage breakdown (becoming conductor), reversely
Electric current increased dramatically.
Space-charge region since the cross-pressure at OLED yin-yang the two poles of the earth of black picture and white picture is different, inside diode
Length will be different.Wherein the PN junction of OLED for a period of time after built stablize, stray ion is retained in depletion region, when cutting
When changing to grayscale, the charge in depletion region is also maintain, and is led to the gridiron pattern picture that can see front under grayscale, is needed by one
The section time, slowly dissipation stray ion could restore normally, therefore there is certain ghost in the effect that picture is shown and show
As.
Fig. 6 shows a kind of step flow chart of the display methods of the display device provided in one embodiment of the disclosure, wherein
The display device includes the first power supply, second source and display panel, which can be adapted for OLED display surface
The display device of plate, especially with the display device of AMOLED panel.
As shown in fig. 6, in step slo, the first power supply ELVDD continues to provide high level to display panel.
As shown in fig. 6, second source ELVSS provides low level, and second source to display panel in step S20
ELVSS provides high level at least once to display panel within the display cycle of each frame picture.
Due in the prior art to display panel provide the first power supply ELVDD be always high level, second source ELVSS
It is always low level, for this method by improving, second source ELVSS is high at least once within the display cycle of each frame picture
Level occurs, and such Organic Light Emitting Diode can carry out reverse bias, so that the depletion region of PN junction will not be because protecting always
It holds low level and remains a state, promote stray ion energy rapid dispersion, improve the ghost phenomena of display picture.
Step S20 can be realized in the following way in a particular application in the present embodiment:
Mode one: incipient stage of the second source ELVSS within the display cycle of each frame picture provides a high level.
Mode two: ending phase of the second source ELVSS within the display cycle of each frame picture provides a high level.
Mode three: incipient stage and ending phase of the second source ELVSS within the display cycle of each frame picture mention
For a high level.
Mode four: intermediate either phase of the second source ELVSS within the display cycle of each frame picture provides at least one
Secondary high level.
The signal waveforms of second source ELVSS when Fig. 7-Figure 10 shows employing mode one to mode four, wherein the second electricity
Source ELVSS be the low level period be the display cycle (being indicated with Ta) really display time (being indicated with t01), with second electricity
It is flip-flop transition (being indicated with t02) that source ELVSS, which is the period of high level, that is, Organic Light Emitting Diode by forward bias to
The flip-flop transition of reverse bias.It can according to need in practical applications and control Organic Light Emitting Diode in different ways
A reverse bias is at least carried out in the display cycle of a frame picture, so that stray ion rapid dispersion.
In the present embodiment within the display cycle, the total duration of second source ELVSS high level accounts for the total of display cycle
The ratio of duration is 0.1% to 10%.It should be noted that this depends mainly on Organic Light Emitting Diode material than column
It can achieve available maximum brightness.If maximum brightness is higher, the numerical value of this ratio is bigger, for the four of the present embodiment
The numerical value of kind mode, this ratio can preferably use 0.1%, but be not defined with this comparative example numerical value.
It should be noted that high level proportion is in Fig. 7-Figure 10 for the ease of illustrating, low and high level in waveform diagram
Width is not offered as the proportion in the actual display cycle.
The display methods of the present embodiment is the low level stage in scanning signal, and second source ELVSS can be by second switch
Element is closed, so the voltage of the second end of display panel reaches the high level state of the first power supply ELVDD, to reach display
The conversion of panel itself ELVSS voltage from low to high.
In conclusion the display methods that passes through of the present embodiment by within the display cycle of each frame picture at least again
Low level to high level variation so that the Organic Light Emitting Diode in display panel can be reversed biasing, so that in PN junction
Depletion region will not be always maintained at a state, therefore stray ion can be with rapid dispersion, to improve ghost phenomena, while can be with
It solves the problems, such as to show as caused by organic diode stray ion to a certain extent bad.
Based on above-mentioned display method, a kind of display panel is also provided in another embodiment of the present disclosure, by the first power supply and
Display methods more than second source use is powered, and available technical effect ibid, details are not described herein again.
In addition, also providing a kind of display device in the another embodiment of the disclosure, the structural schematic diagram of the display device is such as
Shown in Figure 11, comprising: display panel 00, first switching element T1 and second switch element T2.Wherein display panel 00 has the
One end and second end, first switching element T1 have control terminal, input terminal and output end, and second switch element T2 has control
End, input terminal and output end.
As shown in figure 11, the control terminal of first switching element T1 and second switch element T2 are provided which scanning signal SW, the
The input terminal of one switch element T1 connects first end, and the first power supply ELVDD is mentioned to lasting to display panel 00 by first end
For high level, the output end connection second end of first switching element T1 and the output end of second switch element T2, second switch
The input terminal of element T2 is for providing second source ELVSS.
Increase by two switch elements in the present embodiment, first switching element T1 can be PMOS, and second switch element T2 can
Think NMOS.And controlled by turn-on and turn-off of the scanning signal SW to two switch elements, it can achieve control second
The purpose of power supply ELVSS makes it no longer provide low level to display panel always, but has second within a display cycle
When power supply ELVSS is the variation of high level, the built in field of such Organic Light Emitting Diode PN junction will be neutralised, to make
Stray ion is dissipated.
Figure 12 shows the signal waveforms of scanning signal SW in the present embodiment, (uses Ta in the display cycle of a frame picture
Indicating) interior long period is high level, that is, really display time (being indicated with t01), and within the display cycle also
One short period is low level, that is, flip-flop transition (being indicated with t02).Wherein in Figure 12 and above-described embodiment shown in Fig. 7
Second source ELVSS waveform it is corresponding, similarly, it is known that the signal waveforms of the corresponding scanning signal SW of Fig. 8-Figure 10, this
It is repeated no more in embodiment.
Within the really display period, that is, when scanning signal SW is high level, due to first switching element T1
It is NMOS for PMOS, second switch element T2, therefore first switching element T1 is turned off, second switch element T2 conducting.First electricity
Source ELVDD provides high level to display panel by first end, and second source ELVSS is provided by second end to display panel 00
Low level, display panel normally show that circuit state schematic diagram is as shown in figure 13 at this time.
In flip-flop transition section, that is, when scanning signal SW is low level, since first switching element T1 is PMOS,
Second switch element T2 is NMOS, therefore second switch element T2 is turned off, first switching element T1 conducting.First power supply ELVDD
High level, under first switching element T1 on state, the height of the first power supply ELVDD are provided to display panel 00 by first end
Level is supplied to second end and second switch element T2, therefore second source ELVSS is mentioned by second end to display panel 00
For high level, circuit state schematic diagram is as shown in figure 14 at this time.It is namely low level stage, second source in scanning signal
ELVSS can be closed by second switch element T2, so the voltage of the second end of display panel 00 reaches the height of the first power supply ELVDD
Level state, to reach the conversion of 00 inside ELVSS voltage of display panel from low to high.
Based on above-mentioned, display device provided in this embodiment by within the display cycle of each frame picture at least again
Low level to high level variation so that the Organic Light Emitting Diode in display panel can be reversed biasing, so that in PN junction
Depletion region will not be always maintained at a state, therefore stray ion can be with rapid dispersion, to improve ghost phenomena, while can be with
It solves the problems, such as to show as caused by diode stray ion to a certain extent bad.
Artisan will appreciate that not departing from the disclosure disclosed in disclosure the attached claims
Made variation and retouching in the case where scope and spirit, within the scope of protection of the claims of the category disclosure.
Claims (10)
1. a kind of display methods of display device, the display device includes the first power supply, second source and display panel, spy
Sign is that the display methods includes:
First power supply continues to provide high level to the display panel；
The second source provides low level to the display panel, and the second source is in the display cycle of each frame picture
The introversive display panel provides high level at least once, so that the Organic Light Emitting Diode of the display device is reversely inclined
It sets.
2. display methods as described in claim 1, which is characterized in that display cycle of the second source in each frame picture
The interior incipient stage provides a high level.
3. display methods as described in claim 1, which is characterized in that display cycle of the second source in each frame picture
Interior ending phase provides a high level.
4. display methods as described in claim 1, which is characterized in that display cycle of the second source in each frame picture
The interior incipient stage and ending phase is provided which a high level.
5. display methods as described in claim 1, which is characterized in that display cycle of the second source in each frame picture
Interior intermediate either phase provides high level at least once.
6. display methods as described in claim 1, which is characterized in that within the display cycle, the height of the second source
The ratio that the total duration of level accounts for the total duration of the display cycle is 0.1% to 10%.
7. a kind of display panel, which is characterized in that the display panel is wanted by the first power supply and second source using the right
Display methods described in any one of 1-6 is asked to be powered.
8. a kind of display device characterized by comprising
Display panel in claim 7, has a first end and a second end；
First switching element has control terminal, input terminal and output end；
Second switch element has control terminal, input terminal and output end；
The first switching element and the control terminal of the second switch element are provided which scanning signal, the first switching element
Input terminal connect the first end, and the first power supply is high electric to continuing to provide to the display panel by the first end
Flat, the output end of the first switching element connects the output end of the second end and the second switch element, and described the
The input terminal of two switch elements is for providing second source.
9. display device as claimed in claim 8, which is characterized in that when the scanning signal is high level, described first
Switch element shutdown, the second switch element conductive, first power supply are mentioned by the first end to the display panel
For high level, the second source provides low level to the display panel by the second end.
10. display device as claimed in claim 8, which is characterized in that when the scanning signal is low level, described second
Switch element shutdown, the first switching element conducting, first power supply are mentioned by the first end to the display panel
For high level, the level of the second end of the display panel is realized from the low level of the second source to first power supply
The conversion of high level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825454.1A CN107818760B (en) | 2016-09-14 | 2016-09-14 | Display methods, display panel and the display device of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825454.1A CN107818760B (en) | 2016-09-14 | 2016-09-14 | Display methods, display panel and the display device of display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107818760A CN107818760A (en) | 2018-03-20 |
| CN107818760B true CN107818760B (en) | 2019-11-19 |
Family
ID=61600342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825454.1A Active CN107818760B (en) | 2016-09-14 | 2016-09-14 | Display methods, display panel and the display device of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107818760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410761B (en) * | 2018-10-30 | 2021-04-30 | 武汉天马微电子有限公司 | Display panel and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677461A (en) * | 2004-03-30 | 2005-10-05 | 三星Sdi株式会社 | Method and apparatus for driving display panel |
| CN101042838A (en) * | 2006-03-21 | 2007-09-26 | Lg电子株式会社 | Plasma display apparatus |
| CN101320171A (en) * | 2007-06-08 | 2008-12-10 | 群康科技(深圳)有限公司 | LCD and method for improving power-off ghost |
| CN204360353U (en) * | 2015-01-26 | 2015-05-27 | 京东方科技集团股份有限公司 | Buffer cell, touch drive circuit and display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100564138B1 (en) * | 2001-07-31 | 2006-03-27 | 주식회사 레다트 | Dual voltage power supply apparatus |
-
2016
- 2016-09-14 CN CN201610825454.1A patent/CN107818760B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677461A (en) * | 2004-03-30 | 2005-10-05 | 三星Sdi株式会社 | Method and apparatus for driving display panel |
| CN101042838A (en) * | 2006-03-21 | 2007-09-26 | Lg电子株式会社 | Plasma display apparatus |
| CN101320171A (en) * | 2007-06-08 | 2008-12-10 | 群康科技(深圳)有限公司 | LCD and method for improving power-off ghost |
| CN204360353U (en) * | 2015-01-26 | 2015-05-27 | 京东方科技集团股份有限公司 | Buffer cell, touch drive circuit and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107818760A (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9881544B2 (en) | Pixel circuit for AC driving, driving method and display apparatus | |
| US9460655B2 (en) | Pixel circuit for AC driving, driving method and display apparatus | |
| CN108039148B (en) | A kind of display panel and electronic equipment | |
| US9595226B2 (en) | Pixel circuit for AC driving, driving method and display apparatus | |
| CN109859682B (en) | Driving circuit, driving method thereof and display device | |
| CN105139807B (en) | A kind of pixel-driving circuit, display device and its driving method | |
| CN102405492B (en) | Organic el display device and method for controlling same | |
| CN106960659B (en) | Display panel, pixel-driving circuit and its driving method | |
| KR101503823B1 (en) | OLED display panel with PWM control | |
| CN102439652B (en) | Organic el display device and method for controlling same | |
| US11244614B2 (en) | Pixel driver circuit, display device and pixel driving method | |
| CN107025883B (en) | Display panel, pixel-driving circuit and its driving method | |
| CN106910460B (en) | Pixel-driving circuit and display panel | |
| US9508287B2 (en) | Pixel circuit and driving method thereof, display apparatus | |
| US10140920B2 (en) | Pixel driving circuit, display device and pixel driving method | |
| CN114758619A (en) | Pixel circuit, driving method thereof, display panel and display device | |
| CN109509430B (en) | Pixel driving circuit and method and display device | |
| CN106887210B (en) | Display panel, pixel-driving circuit and its driving method | |
| CN103413519A (en) | Pixel circuit and driving method, array substrate and display device thereof | |
| CN109036283B (en) | Driving circuit and driving method of organic light-emitting field effect transistor and display device | |
| TWI462081B (en) | Pixel circuit | |
| CN105469744A (en) | Pixel compensating circuit and method, scanning driving circuit and panel display device | |
| CN105513535A (en) | Pixel driving circuit, driving method thereof and array substrate | |
| CN104575379A (en) | Display device and driving method thereof | |
| CN109712570A (en) | A kind of pixel-driving circuit and its driving method, display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201506, No. nine, No. 1568, Jinshan Industrial Zone, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: Shanghai Hehui optoelectronic Co., Ltd |
|
| CP02 | Change in the address of a patent holder |