CN107492336A - The driving method and display device of display device - Google Patents
The driving method and display device of display device Download PDFInfo
- Publication number
- CN107492336A CN107492336A CN201710885862.0A CN201710885862A CN107492336A CN 107492336 A CN107492336 A CN 107492336A CN 201710885862 A CN201710885862 A CN 201710885862A CN 107492336 A CN107492336 A CN 107492336A
- Authority
- CN
- China
- Prior art keywords
- subfield
- fluorescent lifetime
- time
- display device
- driving method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
The present invention discloses the driving method and display device of a kind of display device.The driving method includes each frame picture being cut into some subfields of time identical；The fluorescent lifetime for the two neighboring subfield in position that fluorescent lifetime by adjusting each subfield is located at the corresponding subfield time is connected, and to increase brightness amplitude, the loss of undercharge and response time to brightness is eliminated with this.
Description
Technical field
The present invention relates to display technology field, more particularly to the driving method and display device of a kind of display device.
Background technology
The scan drive circuit (as shown in Figure 1) of existing display device is worked long hours in saturation due to driving transistor T2
Area can cause threshold voltage shift, cause Display panel picture to produce brightness irregularities, influence display effect, to improve brightness not
Uniformly to lift the display effect of display panel, PWM (numerical digit driving) mode is suggested, and the butt formula such as subfield is currently used
PWM type of drive, this mode can suppress the brightness irregularities problem of display device, however existing PWM type of drive due to
The time that PWM driving scanning control chips open one-row pixels is only the 1/N of original analog voltage driving, and wherein N is bits numbers,
As panel resolution increases, the opening time of one-row pixels can further compress, therefore undercharge in actual displayed be present
Brightness instability problem is caused, while the response time (Response Time, RT) be present in panel, if light emission duty is than minimum
The fluorescent lifetime of subfield be less than the response time, panel is not really achieved object brightness actually and begins to electric discharge, due to charging
Deficiency causes brightness unstable, and the fluorescent lifetime of subfield is longer, and brightness amplitude is higher, and the fluorescent lifetime of subfield compares the response time
It is short, cause the response time not terminate also to begin to discharge so that brightness amplitude is far below target gray scale brightness.
The content of the invention
The present invention solves the technical problem of a kind of driving method and display device of display device is provided, with increase
Brightness amplitude, eliminate the loss of undercharge and corresponding time to brightness.
In order to solve the above technical problems, one aspect of the present invention is：A kind of driving of display device is provided
Method, the driving method include：
Each frame picture is cut into some subfields of time identical；
Fluorescent lifetime by adjusting each subfield is located at the hair of the two neighboring subfield in position of corresponding subfield time
It is connected between light time, to increase brightness amplitude.
In order to solve the above technical problems, one aspect of the present invention is：A kind of display device is provided, it is described aobvious
Showing device is driven by the driving method of any of the above-described described display device.
The beneficial effects of the invention are as follows：The situation of prior art is different from, the present invention is by the way that each frame picture is cut into
Some subfields of time identical, and the fluorescent lifetime for adjusting each subfield is located at the position of corresponding subfield to cause two neighboring son
The fluorescent lifetime of field is connected, and to increase brightness amplitude, the loss of undercharge and response time to brightness is eliminated with this.
Brief description of the drawings
Fig. 1 is the circuit diagram of existing scan drive circuit；
Fig. 2 is the circuit diagram of the scan drive circuit of existing PWM type of drive；
Fig. 3 is Fig. 2 PWM type of drive schematic diagrames；
Fig. 4 is the intrinsic brilliance change curve schematic diagram under existing display device PWM drivings；
Fig. 5 is the schematic flow sheet of the driving method of the display device of the present invention；
Fig. 6 is the structural representation of the first embodiment of the driving method of the display device of the present invention；
Fig. 7 is the structural representation of the second embodiment of the driving method of the display device of the present invention；
Fig. 8 is the structural representation of display device of the present invention.
Embodiment
Referring to Fig. 2, it is the circuit diagram of existing scan drive circuit.Wherein, Data is data drive signal,
Gate1 is charging scanning signal, and controlling transistor T1 charges to A points, and Gate2 is discharge scanning signal, controlling transistor
T3 is discharged A points, and Vref is reference voltage, and two Gamma voltages, i.e. GM1 (most bright) and GM9 are exported at about zero, A points
(most dark) two voltage quasi positions, according to transistor current voltage I-V equations：
Ids, sat=k* (Vgs-Vth, T2)2=k* (VA-VB-Vth, T2)2
Wherein, Ids, sat are transistor T2 conducting electric currents, and k is the intrinsic conduction factor, and Vgs is transistor T2 grid source electrode electricity
Pressure, Vth are transistor T2 threshold voltage, and VA is A point voltages, and VB is B point voltages, because device degradation or nonuniformity are led
Cause the threshold voltage vt h of transistor variable quantity △ Vth smaller relative to (VA-VB) change, therefore relative analog voltage drives
Mode, PWM type of drive can suppress brightness irregularities problem.
Referring to Fig. 3, it is the PWM type of drive schematic diagrames of existing scan drive circuit.Wherein, x-axis is the time, and y-axis is
The sweep time of scan line.One frame picture by etc. be cut into 8 time identical subfields, for example, SF1-SF8, pass through and control charging
Realize that pixel is different in the fluorescent lifetime of different subfields from the time of electric discharge, the pixel light emission duty ratio of time difference of 8 subfields
For 1:1、2:1、4:1、8:1、16:1、32:1、64:1、128:1, to produce PWM luminance signals, with reference to perception of the human eye to brightness
It is time integral principle, PWM luminance signals can show different gray-scale intensities.It is CSOT15 inch RGBW AMOLED as shown in Figure 4
Intrinsic brilliance change curve under (1366x768) panel PWM drivings, as can be seen from Figure 4 due to bright caused by undercharge
Spend unstable, the fluorescent lifetime of subfield is longer, and brightness amplitude is higher, and subfield SF6, SF7, SF8 fluorescent lifetime compare the response time
It is short, cause the response time not terminate also to begin to electric discharge, brightness amplitude is far below target gray scale brightness.
Referring to Fig. 5, it is the schematic flow sheet of the driving method of the display device of the present invention.The driving of the display device
Method comprises the following steps：
Step S1：Each frame picture is cut into some subfields of time identical；And
Step S2：Fluorescent lifetime by adjusting each subfield is located at the two neighboring son in position of corresponding subfield time
The fluorescent lifetime of field is connected, to increase brightness amplitude.
Wherein, each subfield fluorescent lifetime (white portion of i.e. each subfield, wherein, the white portion of each subfield
The subfield time corresponding with black region sum composition) pressed positioned at the front or behind of corresponding subfield time, some subfields
It is sequentially output according to the first order or is sequentially output according to the second order.
Wherein, it is located in same frame picture according to each subfield of the first Sequential output, the fluorescent lifetime of adjustment member subfield
Before the subfield time, while the fluorescent lifetime for adjusting another part subfield was located at behind the subfield time.
Referring to Fig. 6, it is the structural representation of the first embodiment of the driving method of the display device of the present invention.In this reality
Apply in example, some subfields include the first to the 8th subfield SF1-SF8, first subfield to the 8th subfield SF1-SF8 according to
Secondary output, for example, the output order of 8 subfields is followed successively by SF1, SF2, SF3, SF4, SF5, SF6, SF7, SF8.
Wherein, the fluorescent lifetime of the first subfield SF1 is the first subfield SF1 times, the second subfield SF2's
Fluorescent lifetime is located at before the second subfield SF2 times and is connected with the fluorescent lifetime of the first subfield SF1, described
3rd subfield SF3 fluorescent lifetime was located at behind the 3rd subfield SF3 times, the fluorescent lifetime of the 4th subfield SF4
It is connected before the 4th subfield SF4 times and with the fluorescent lifetime of the 3rd subfield SF3, the 5th subfield
SF5 fluorescent lifetime was located at behind the 5th subfield SF5 times, and the fluorescent lifetime of the 6th subfield SF6 is positioned at described
It is connected before 6th subfield SF6 times and with the fluorescent lifetime of the 5th subfield SF5, the hair of the 7th subfield SF7
Between light time behind the 7th subfield SF7 times, the fluorescent lifetime of the 8th subfield SF8 is located at the 8th subfield
It is connected before the SF8 times and with the fluorescent lifetime of the 7th subfield SF7.
In the present embodiment, the dutycycle of the fluorescent lifetime of each subfield is followed successively by 2 in same frame picturen-1:1, wherein n
For positive integer, and the subfield number that n is less than or equal in each frame picture.For example, a frame picture by etc. be cut into 8 time identicals
Field SF1-SF8, by controlling the time of charge and discharge to realize fluorescent lifetime difference of the pixel in different subfields, 8 subfields
Pixel light emission duty ratio of time (i.e. fluorescent lifetime takes the ratio for corresponding to the subfield time) is respectively 1 in SF1-SF8:1、2:1、4:
1、8:1、16:1、32:1、64:1、128:1, to produce PWM luminance signals.
Illustrated below so that 8bits drives as an example：
When subfield SF1-SF8 is sequentially output, for example, the output order of 8 subfields be followed successively by SF1, SF2, SF3, SF4,
SF5, SF6, SF7, SF8, its neutron field SF1 to subfield SF8 pixel light emission duty ratio of time sequentially reduces, each by adjusting
The location of front or behind, the fluorescent lifetime of the adjacent sub-fields difference that the fluorescent lifetime of subfield is in corresponding subfield can be with
So that the fluorescent lifetime of adjacent sub-fields is connected two-by-two.Subfield SF2, SF4, SF6, SF8 fluorescent lifetime are adjusted in embodiment
To the corresponding subfield time, subfield SF3, SF5, SF7 fluorescent lifetime were adjusted to the corresponding subfield time, wherein
(i.e. described subfield SF1's fluorescent lifetime lights subfield SF1 always, and its light emission duty ratio is 1 invariably:1), it is not necessary to adjust, adjust
Subfield SF1 and SF2, SF3 and SF4, SF5 and SF6, SF7 and SF8 fluorescent lifetime link together afterwards, if adjacent sub-fields exist
In the case of simultaneously luminous, this method had two response times to be reduced to an only response time from originally, can effectively drop
Influence of the low-response time to brightness, while fluorescent lifetime superposition can increase brightness amplitude, effectively reducing undercharge causes
Intensity loss.
Referring to Fig. 7, it is the structural representation of the second embodiment of the driving method of the display device of the present invention.It is described aobvious
The second embodiment of the driving method of showing device in place of the difference of above-mentioned first embodiment with being：According in same frame picture
The each subfield of two Sequential outputs, the fluorescent lifetime of adjustment member subfield was located at before the subfield time, while adjusted another
The fluorescent lifetime of part subfield was located at behind the subfield time.
Specifically, some subfields include the first to the 8th subfield SF1-SF8, the first subfield SF1 to described
Eight subfield SF8 are arbitrarily exported, such as the output order of 8 subfields is followed successively by SF1, SF2, SF3, SF8, SF4, SF7, SF5, SF6,
In other embodiments, the output order of 8 subfield SF1-SF8 is not limited to the mode of the present embodiment, can basis
Need to set the order of each subfield.
Wherein, the fluorescent lifetime of the first subfield SF1 is the first subfield SF1 times, the second subfield SF2's
Fluorescent lifetime is located at before the second subfield SF2 times and is connected with the fluorescent lifetime of the first subfield SF1, described
3rd subfield SF3 fluorescent lifetime was located at behind the 3rd subfield SF3 times, the fluorescent lifetime of the 8th subfield SF8
It is connected before the 8th subfield SF8 times and with the fluorescent lifetime of the 3rd subfield SF3, the 4th subfield
SF4 fluorescent lifetime was located at behind the 4th subfield SF4 times, and the fluorescent lifetime of the 7th subfield SF7 is positioned at described
It is connected before 7th subfield SF7 times and with the fluorescent lifetime of the 4th subfield SF4, the hair of the 5th subfield SF5
Between light time behind the 5th subfield SF5 times, the fluorescent lifetime of the 6th subfield SF6 is located at the 6th subfield
It is connected before the SF6 times and with the fluorescent lifetime of the 5th subfield SF5.
Illustrated below so that 8bits drives as an example：
The output of subfield SF1-SF8 order is upset, for example, 8 subfields output order be followed successively by SF1, SF2,
SF3, SF8, SF4, SF7, SF5, SF6, its neutron field SF1 and SF2, SF3 and SF8, SF4 and SF7, SF5 and SF6 fluorescent lifetime
It is connected two-by-two, the fluorescent lifetime after being so superimposed can be relatively flat equal, even if because subfield SF7 and SF8 fluorescent lifetimes are folded
It is added together still very short, the influence of response time is still obvious, therefore subfield SF7 is connected with SF4 time of giving out light, and
Subfield SF8 is connected with SF3 fluorescent lifetime, influence of the response time to brightness, while fluorescent lifetime are effectively reduced with this
Superposition can increase brightness amplitude, intensity loss caused by effectively reducing undercharge.
Referring to Fig. 8, it is the structural representation of the display device of the present invention.The display device is OLED, the display
Device is driven by the driving method of above-mentioned display device, and other devices and function show with existing in the display device
The device and function phase of showing device are same, will not be repeated here.
The driving method and display device of the display device are some by the way that each frame picture is cut into time identical
Subfield, and the fluorescent lifetime for adjusting each subfield is located at the front or behind of corresponding subfield to cause the hair of two neighboring subfield
It is connected between light time, to increase brightness amplitude, the loss of undercharge and response time to brightness is eliminated with this.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
1. a kind of driving method of display device, it is characterised in that the driving method includes：
Each frame picture is cut into some subfields of time identical；
Fluorescent lifetime by adjusting each subfield be located at the two neighboring subfield in position of corresponding subfield time it is luminous when
Between be connected, to increase brightness amplitude.
2. the driving method of display device according to claim 1, it is characterised in that some subfields are suitable according to first
Sequence is sequentially output or is sequentially output according to the second order, the fluorescent lifetime of each subfield be located at before the corresponding subfield time or
Behind person.
3. the driving method of display device according to claim 2, it is characterised in that suitable according to first in same frame picture
Sequence exports each subfield, and the fluorescent lifetime of adjustment member subfield was located at before the corresponding subfield time, while adjusted another part
The fluorescent lifetime of subfield was located at behind the corresponding subfield time.
4. the driving method of display device according to claim 3, it is characterised in that some subfields include first to
8th subfield, first subfield to the 8th subfield are sequentially output.
5. the driving method of display device according to claim 4, it is characterised in that the fluorescent lifetime of first subfield
For the first subfield time, the fluorescent lifetime of second subfield is located at before the second subfield time and with described
The fluorescent lifetime of one subfield is connected, and the fluorescent lifetime of the 3rd subfield was located at behind the 3rd subfield time, described
The fluorescent lifetime of 4th subfield is located at before the 4th subfield time and is connected with the fluorescent lifetime of the 3rd subfield,
The fluorescent lifetime of 5th subfield was located at behind the 5th subfield time, and the fluorescent lifetime of the 6th subfield is located at institute
State before the 6th subfield time and be connected with the fluorescent lifetime of the 5th subfield, the fluorescent lifetime position of the 7th subfield
Behind the 7th subfield time, the fluorescent lifetime of the 8th subfield be located at before the 8th subfield time and with
The fluorescent lifetime of 7th subfield is connected.
6. the driving method of display device according to claim 2, it is characterised in that suitable according to second in same frame picture
Sequence exports each subfield, and the fluorescent lifetime of adjustment member subfield was located at before the subfield time, while adjusted another part
The fluorescent lifetime of subfield was located at behind the subfield time.
7. the driving method of display device according to claim 6, it is characterised in that some subfields include first to
8th subfield, first subfield to the 8th subfield arbitrarily export.
8. the driving method of display device according to claim 7, it is characterised in that the fluorescent lifetime of first subfield
For the first subfield time, the fluorescent lifetime of second subfield is located at before the second subfield time and with described
The fluorescent lifetime of one subfield is connected, and the fluorescent lifetime of the 3rd subfield was located at behind the 3rd subfield time, described
The fluorescent lifetime of 8th subfield is located at before the 8th subfield time and is connected with the fluorescent lifetime of the 3rd subfield,
The fluorescent lifetime of 4th subfield was located at behind the 4th subfield time, and the fluorescent lifetime of the 7th subfield is located at institute
State before the 7th subfield time and be connected with the fluorescent lifetime of the 4th subfield, the fluorescent lifetime position of the 5th subfield
Behind the 5th subfield time, the fluorescent lifetime of the 6th subfield be located at before the 6th subfield time and with
The fluorescent lifetime of 5th subfield is connected.
9. the driving method of display device according to claim 1, it is characterised in that each subfield in same frame picture
The dutycycle of fluorescent lifetime is followed successively by 2n-1:1, wherein n are positive integer, and n is less than or equal to the subfield number in each frame picture.
10. a kind of display device, it is characterised in that the display device passes through the display as described in claim 1-9 items are any
The driving method driving of device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885862.0A CN107492336B (en) | 2017-09-26 | 2017-09-26 | Display device driving method and display device |
| PCT/CN2017/112445 WO2019061762A1 (en) | 2017-09-26 | 2017-11-23 | Driving method for display device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885862.0A CN107492336B (en) | 2017-09-26 | 2017-09-26 | Display device driving method and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492336A true CN107492336A (en) | 2017-12-19 |
| CN107492336B CN107492336B (en) | 2020-03-10 |
Family
ID=60653347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710885862.0A Active CN107492336B (en) | 2017-09-26 | 2017-09-26 | Display device driving method and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107492336B (en) |
| WO (1) | WO2019061762A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017603A (en) * | 2020-09-02 | 2020-12-01 | Tcl华星光电技术有限公司 | Backlight module and driving method thereof |
| CN112785972A (en) * | 2021-03-08 | 2021-05-11 | 深圳市华星光电半导体显示技术有限公司 | Light emitting device driving circuit, backlight module and display panel |
| WO2023178778A1 (en) * | 2022-03-23 | 2023-09-28 | Tcl华星光电技术有限公司 | Pixel circuit, backlight module and display panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6496165B1 (en) * | 1999-07-01 | 2002-12-17 | Pioneer Corporation | Driving apparatus for driving a plasma display panel based on power consumed during a non-light emitting period of a unit display period |
| CN1554081A (en) * | 2001-07-09 | 2004-12-08 | 松下电器产业株式会社 | Plasma display panel driving method and plasma display panel driver |
| CN100474372C (en) * | 2003-12-01 | 2009-04-01 | Lg电子株式会社 | Apparatus and method for driving plasma display panel |
| CN105047139A (en) * | 2015-09-22 | 2015-11-11 | 深圳市华星光电技术有限公司 | Digital driving method for OLED display device |
| CN106097967A (en) * | 2016-08-25 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of OLED PWM driving method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732912B (en) * | 2013-12-19 | 2017-05-03 | 昆山工研院新型平板显示技术中心有限公司 | Data drive method, data driver and AMOLED displayer |
-
2017
- 2017-09-26 CN CN201710885862.0A patent/CN107492336B/en active Active
- 2017-11-23 WO PCT/CN2017/112445 patent/WO2019061762A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6496165B1 (en) * | 1999-07-01 | 2002-12-17 | Pioneer Corporation | Driving apparatus for driving a plasma display panel based on power consumed during a non-light emitting period of a unit display period |
| CN1554081A (en) * | 2001-07-09 | 2004-12-08 | 松下电器产业株式会社 | Plasma display panel driving method and plasma display panel driver |
| CN100474372C (en) * | 2003-12-01 | 2009-04-01 | Lg电子株式会社 | Apparatus and method for driving plasma display panel |
| CN105047139A (en) * | 2015-09-22 | 2015-11-11 | 深圳市华星光电技术有限公司 | Digital driving method for OLED display device |
| CN106097967A (en) * | 2016-08-25 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of OLED PWM driving method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017603A (en) * | 2020-09-02 | 2020-12-01 | Tcl华星光电技术有限公司 | Backlight module and driving method thereof |
| WO2022047901A1 (en) * | 2020-09-02 | 2022-03-10 | Tcl华星光电技术有限公司 | Backlight module and driving method for backlight module |
| US11715431B2 (en) | 2020-09-02 | 2023-08-01 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module and driving method thereof using subfields with different durations |
| CN112785972A (en) * | 2021-03-08 | 2021-05-11 | 深圳市华星光电半导体显示技术有限公司 | Light emitting device driving circuit, backlight module and display panel |
| WO2022188191A1 (en) * | 2021-03-08 | 2022-09-15 | 深圳市华星光电半导体显示技术有限公司 | Light-emitting device drive circuit, backlight module, and display panel |
| US11908403B2 (en) | 2021-03-08 | 2024-02-20 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Driving circuit of light-emitting device, backlight module and display panel |
| WO2023178778A1 (en) * | 2022-03-23 | 2023-09-28 | Tcl华星光电技术有限公司 | Pixel circuit, backlight module and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019061762A1 (en) | 2019-04-04 |
| CN107492336B (en) | 2020-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104882065B (en) | Display device and driving method thereof | |
| CN101814267B (en) | Organic light emitting diode display and drive means thereof | |
| CN100476930C (en) | Organic light emitting display and method of driving the same | |
| CN101261809B (en) | Organic light emitting display device and its controller and related method | |
| EP1061497B1 (en) | Image display apparatus including current controlled light emitting elements and driving method therefor | |
| CN107481673A (en) | A kind of organic electroluminescence display panel and its driving method and drive device | |
| CN107256691B (en) | The numerical digit driving method and system of OLED display | |
| WO2018036085A1 (en) | Oled pwm digital driving method and circuit | |
| WO2018036087A1 (en) | Oled pwm pixel driving method | |
| KR100857672B1 (en) | Organic light emitting display and driving method the same | |
| KR20030014097A (en) | Method of driving plasma display apparatus | |
| WO2007074615A1 (en) | Display device for video signal and display control method for video signal | |
| CN107492336A (en) | The driving method and display device of display device | |
| CN106548739B (en) | Display driving device, display apparatus, and display driving method | |
| KR20120045252A (en) | Organic light emitting diode display device and method for driving the same | |
| WO2018040470A1 (en) | Oled-pwm driving method | |
| US20120033000A1 (en) | Displaying apparatus | |
| CN110599948A (en) | Driving method of display device | |
| JP2001142427A (en) | Matrix type display device and its driving method | |
| US8334827B2 (en) | Organic light emitting diode display driven in a digital driving | |
| CN114078435A (en) | Display driver and display device using the same | |
| CN100437668C (en) | Image signal processing apparatus and displaying method | |
| JP4852772B2 (en) | Display device, electric device, method for driving display device, and computer program | |
| US11151949B2 (en) | Display apparatus and method of driving display panel using the same | |
| CN114093306A (en) | 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 |