CN108389880A - A kind of OLED display panel and OLED display - Google Patents
A kind of OLED display panel and OLED display Download PDFInfo
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- CN108389880A CN108389880A CN201810154438.3A CN201810154438A CN108389880A CN 108389880 A CN108389880 A CN 108389880A CN 201810154438 A CN201810154438 A CN 201810154438A CN 108389880 A CN108389880 A CN 108389880A
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- power supply
- supply cabling
- cabling
- oled display
- display panel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- 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
-
- 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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of OLED display panel and OLED displays, the OLED display panel includes viewing area and non-display area, wherein, viewing area is equipped with several pixels, if non-display area is equipped with the supply cabling being connect respectively with power input pin, if supply cabling is used to provide power supply for several pixels.Power supply cabling is there are cabling impedance voltage drop and driving the threshold voltage of thin film transistor (TFT) to have differences can make the voltage cloth of several pixels in input viewing area uneven, if the present invention by the resistance of at least partly power supply cabling in supply cabling by being set as different, if being input to the difference between the power supply of several pixels to reduce supply cabling, keep the voltage's distribiuting of several pixels of input uniform, and then promotes the image quality of OLED display panel.
Description
Technical field
The present invention relates to field of liquid crystal display, more particularly to a kind of OLED display panel and OLED display.
Background technology
OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode, abbreviation OLED) display panels by
In with thin, light, wide viewing angle, active shine, luminescent color is continuously adjustable, fast response time, energy consumption is small, driving voltage is low, hair
Light efficiency it is high and can Flexible Displays the advantages that, have been cited as the next-generation display technology of great development prospect.OLED display is pressed
It is divided into passive matrix (PMOLED) and active array type (AMOLED) according to type of drive, the basic driver circuit of AMOLED is
2T1C frameworks, including two thin film transistor (TFT)s and a storage capacitance.The supply voltage of OLED is controlled by thin film transistor (TFT), with defeated
Enter to the pixel of OLED, driving pixel carries out luminescence display.However, being input to the voltage's distribiuting of pixel not through power supply cabling at present
Uniformly, cause the brightness of light emitting diode to show uneven, and then influence image quality.
Therefore, it is necessary to propose a kind of OLED display panel and OLED display to solve the above problems.
Invention content
The invention mainly solves the technical problem of providing a kind of OLED display panel and OLED display, can solve existing
There is the problem of supply voltage for being input to pixel in technology in OLED display panel is unevenly distributed, and then promotes OLED display surfaces
The image quality of plate.
In order to solve the above technical problems, first technical solution that the present invention uses is to provide a kind of OLED display panel,
The OLED display panel includes viewing area and non-display area, wherein viewing area be equipped with several pixels, non-display area be equipped with respectively with
If the supply cabling of power input pin connection, if supply cabling is used to provide power supply for several pixels；Wherein, Ruo Gan electricity
The resistance of at least partly power supply cabling in the cabling of source is set as different, if being input to several pixels to reduce supply cabling
Difference between power supply.
In order to solve the above technical problems, second technical solution that the present invention uses is to provide a kind of OLED display, it should
OLED display includes any of the above-described OLED display panel.
The beneficial effects of the invention are as follows：The case where being different from the prior art, OLED display panel of the invention include display
Area and non-display area, wherein viewing area is equipped with several pixels, and non-display area is several equipped with being connect respectively with power input pin
Power supply cabling, if supply cabling is used to provide power supply for several pixels.Different electrical power cabling may be due to walking line impedence pressure
The factors such as drop is different, driving thin film transistor (TFT) threshold voltage has differences, are input to the voltage cloth of several pixels in viewing area
It is uneven, if the present invention by the way that the resistance of at least partly power supply cabling in supply cabling is set as different, if to reduce
Supply cabling is input to the difference between the power supply of several pixels, keeps the voltage's distribiuting of several pixels of input uniform, Jin Erti
Rise the image quality of OLED display panel.
Description of the drawings
Figure 1A is the structural schematic diagram of OLED display panel provided by the invention；
Figure 1B is the driving circuit principle schematic diagram of pixel in Figure 1A；
Fig. 2 is the structural schematic diagram of power supply cabling distribution first embodiment in OLED display panel provided by the invention；
Fig. 3 is the structural schematic diagram of power supply cabling distribution second embodiment in OLED display panel provided by the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the scope of protection of the invention.
A is please referred to Fig.1, Figure 1A is the structural schematic diagram of OLED display panel provided by the invention.As shown in Figure 1A, OLED
Display panel 10 includes viewing area 101 and non-display area 102, wherein viewing area 101 is equipped with several pixels 1011, each pixel
1011 include at least one Organic Light Emitting Diode OLED, and non-display area 102 is several equipped with being connect with power input pin 103
Power supply cabling 104, it is specific as each power supply cabling 104 connects if supply cabling 104 is used to provide power supply for several pixels 1011
One or more pixels 1011 are connected to, to provide power supply for it.If in the supply cabling 104 of viewing area 102, at least partly
The resistance of power supply cabling is set as different, if being input between the power supply of several pixels 1011 with reducing supply cabling 104
Difference.At this point, being uniformly distributed for the supply voltage for being input to several pixels 1011 can be improved, and then improve the brightness of pixel 1011
The uniformity can promote the image quality of OLED display panel.
Further, the present invention is reduced by adjusting the resistance of power supply cabling in conjunction with active array OLED (AMOLED)
Difference between 1011 power supply of pixel, and then the principle for improving the luminance uniformity of OLED is illustrated.
B is please referred to Fig.1, Figure 1B is the driving circuit principle schematic diagram of pixel in Figure 1A.As shown in Figure 1B, driving circuit
105 include storage capacitance Cst, first switch T1 and second switch T2.First switch T1 and second switch T2 specifically can be with
For thin film transistor (TFT).The control terminal of first switch T1 is for inputting scanning signal Scan, and the input terminal of first switch T1 is for defeated
Enter data-signal Data, data-signal Data can be transmitted to second switch by scanning signal Scan control first switches T1 when being connected
The control terminal of T2, the output end of first switch T1 and one end of storage capacitance Cst are connect with the control terminal of second switch T2, and second
The input terminal of switch T2 and the other end of storage capacitance Cst are connect with the output end VDD of power supply cabling 104, in pixel 1011
The anode and cathode of Organic Light Emitting Diode OLED is connect with the output end of second switch T2 and power output end VSS respectively, into
And energy driving machine light emitting diode OLED shines.Therefore, the uniformity for being input to the power vd D of different pixels 1011 can be right
It should influence the luminance uniformity of pixel.Moreover, because the power supply cabling of the pixel 1011 remoter from power input pin 103 is more
It is long, thus existing cabling impedance voltage drop bigger makes the voltage VDD for inputting pixel 1011 lower, and then make the hair of pixel 1011
Brightness is uneven, in this regard, the present invention is by being correspondingly arranged the resistance of power supply cabling 104 for the different unevenness to reduce luminous
The case where even property, the resistance value of the specific power supply cabling 104 can correspond to the power vd D that it is input to pixel 1011, is configured.
Specifically, its resistance value can be determined according to the distance between power supply cabling 104 and power input pin 103.For example,
If the resistance closer to the supply cabling 104 of the power input pin 103 is set as bigger.
Below the resistance value of the power supply cabling 104 in non-display area is set for illustrating.Referring to Fig. 2, Fig. 2
It is the structural schematic diagram of power supply cabling distribution first embodiment in OLED display panel provided by the invention.As shown in Fig. 2, several
Power supply cabling 204 is connect with power input pin 203, and the specific power input pin 203 can be extended out a metal wire 205,
And several power supply cablings 204 are separately connected by the metal wire.It can be drawn according to the difference of distance between power input pin 203
It is divided into four routing regions I, II, III, IV, wherein routing region I is the region farthest from power input pin 203, cabling
Region II is the region from power input pin 203 farther out, and routing region III is the region closer from power input pin 203,
Routing region IV is the region nearest from power input pin 203.Wherein, closer to the cabling of the power input pin 203
The resistance of power supply cabling 204 in region is set as bigger, i.e. the resistance of power supply cabling 204 in routing region I is minimum, cabling
The resistance of power supply cabling 204 in the IV of region is maximum.The resistance value of power supply cabling in same routing region may be configured as identical
Or it is different.
It is understood that it is a specific implementation mode that four different routing regions are divided into the present embodiment,
The routing region of other different numbers, such as three, five, six or eight can also be set in other embodiments, herein
Be not specifically limited, by routing region divide it is more when can preferably promote the uniformity of light emission luminance.
In some embodiments, the driving circuit of pixel is controlled using driving switch, second switch T2 controls as shown in Figure 1B
When processed, i.e., the power vd D that power supply cabling 204 exports is input to after the driving switch in the OLED of pixel.In these embodiments
In, it is contemplated that the threshold voltage of the driving switch of different pixels has differences, and the resistance of power supply cabling 204 is corresponded to its connection
The threshold voltage of driving switch is adjusted, if for example, its connection driving switch threshold voltage it is larger, can be by the power supply
The resistance of cabling 204 is turned down.Therefore combine cabling shown in Fig. 2 distribution and Figure 1B shown in pixel-driving circuit, can it is same walk
In line region, the threshold voltage for setting the resistance of power supply cabling 204 to second switch T2 connected to it is negatively correlated, i.e., same
It is bigger for connecting the resistance of power supply cabling 204 of the smaller second switch T2 of threshold voltage in one routing region.
In addition, different modes, which can be used, in the resistance of above-mentioned power supply cabling is set as different.Specifically, to power supply cabling
Resistance setting is illustrated.
Example one：
Please continue to refer to Fig. 2, power supply cabling 204 includes different first trace portions, 2041 and second cabling of sheet resistance
Part 2042, wherein this electricity parameter of sheet resistance refers to the resistance of unit area, the power supply cabling 204 of different resistance values
The second trace portions 2042 length account for 204 total length of power supply cabling ratio it is different.Specifically, the first trace portions 2041
It may include that the first subdivision 20411 and the second subdivision 20412, the first subdivision 20411 and the second subdivision 20412 pass through
Two trace portions 2042 connect, and the sheet resistance of the second trace portions 2042 is more than the first trace portions 2041.Pixel is defeated from power supply
Enter pin 203 apart from closer power supply cabling 204, the length of the second trace portions 2042 accounts for 204 total length of power supply cabling
Ratio is bigger.
Specifically, the second trace portions 2042 in the present embodiment are wire jumper resistance, and the first trace portions 2041 are metal
Line, the wire jumper resistance in the present embodiment is antenna material therefor, and the sheet resistance range of wire jumper resistance is chosen as 0.5 Ω to 10 Ω,
Wherein, the sheet resistance of the wire jumper resistance in the present embodiment is specially 5 Ω, may be arranged as other values in other embodiments,
It is not specifically limited herein.
In the present embodiment, the length of the wire jumper resistance of routing region I accounts for the ratio minimum of 204 total length of power supply cabling,
The ratio that the length of the wire jumper resistance of routing region II accounts for 204 total length of power supply cabling is smaller, the wire jumper resistance of routing region III
Length account for the large percentage of 204 total length of power supply cabling, it is total that the length of the wire jumper resistance of routing region IV accounts for power supply cabling 204
The ratio of length is maximum.The present embodiment is equivalent to be got over to 204 series impedance of power supply cabling closer to power input pin 203
Big wire jumper resistance.It should be noted that the power supply in the present embodiment in the farthest region I of pixel distance power pin 203 is walked
Line 204 only includes the first trace portions 2041, could be provided as including the first trace portions 2041 simultaneously in other embodiments
With the second trace portions 2042.
Through l-G simulation test the electricity of OLED display panel is may make using improved power supply cabling 204 is passed through in the present embodiment
The flow distribution uniformity is obviously improved, and improving uniformity 2%, compared with before improvement, non-uniform areas significantly reduces, even
It can be eliminated.
It can be seen from the above, the OLED display panel of the present invention includes viewing area and non-display area, wherein if viewing area is equipped with
Dry pixel, if non-display area is equipped with the supply cabling being connect respectively with power input pin, if if supply cabling is for being
Dry pixel provides power supply.Different electrical power cabling may threshold value electricity different due to cabling impedance voltage drop, driving thin film transistor (TFT)
Pressure such as has differences at the factors, and the voltage cloth for being input to several pixels in viewing area is uneven, if the present invention is by walking supply
The resistance of at least partly power supply cabling in line is set as different, if to reduce the power supply that supply cabling is input to several pixels
Between difference, keep the voltage's distribiuting of several pixels of input uniform, so promoted OLED display panel image quality.
Example two：
Referring to Fig. 3, Fig. 3 is the knot of power supply cabling distribution second embodiment in OLED display panel provided by the invention
Structure schematic diagram.If the supply cabling 304 in the present embodiment is connect with power input pin 303, the power input pin 303
A metal wire 308 is can be extended out, and several power supply cablings 304 are separately connected by the metal wire.If supply cabling 304 can
According to being divided into multiple cabling subregion I, II, III, IV shown in Fig. 2.Power supply cabling 304 includes the first trace portions 3041 and the
At least partly region that two trace portions 3042, the first trace portions 3041 and the second trace portions 3042 pass through resistor disc 305
Connection, wherein the sheet resistance range of resistor disc 305 is chosen as 100 Ω to 9000 Ω, and the potential of resistor disc 305 is in a first direction
It is upper identical, and uniformly become larger or become smaller in a second direction, in four different routing regions, the first trace portions 3041 and the
The length of 305 region of resistor disc connected between two trace portions 3042 in a second direction is different.
Specifically, the sheet resistance of resistor disc 305 is specially 2000 Ω in the present embodiment, can be also arranged in other embodiments
For other values, it is not specifically limited herein.Potential of the resistor disc 305 on being parallel to 304 direction of power supply cabling uniformly become larger or
Become smaller, identical in the potential on 304 direction of power supply cabling, power supply cabling 304 is the first trace portions through break line treatment
3041 and second trace portions 3042, resistor disc 305 is etched to form several apertures 306, the first trace portions
3041 and second the two-end-points of trace portions 3042 connected respectively with corresponding two aperture 306, to the first trace portions 3041
It is electrically connected by aperture 306 and resistor disc with the second trace portions 3042.In the I of routing region, the present invention is in power supply cabling 304
Direction form a row channel 307 by etching, it is such to which power supply cabling 304 is in parallel by channel 307 and resistor disc 305
In the case of be equivalent to electric current directly through power supply cabling 304, the power supply in the I of region can also be set in other embodiments
Cabling 304 is not electrically connected with resistor disc 305；In the II of routing region, the first trace portions 3041 and the second trace portions 3042
The resistor disc 305 connected by aperture 306 between two-end-point is shorter in the length on 304 direction of power supply cabling；In cabling area
In the III of domain, the resistor disc that is connected by aperture 306 between 3042 two-end-point of the first trace portions 3041 and the second trace portions
305 is longer in the length on 304 direction of power supply cabling, in the IV of routing region, the first trace portions 3041 and the second cabling
The resistor disc 305 connected by aperture 306 between 3042 two-end-point of part is in the length longest on 304 direction of power supply cabling.
Through l-G simulation test the electricity of OLED display panel is may make using improved power supply cabling 304 is passed through in the present embodiment
The flow distribution uniformity is obviously improved, and the uniformity is promoted by 83.7% to 87.3%, compared with before improvement, non-uniform areas
It significantly reduces, or even can be eliminated.
Example three：
The resistance value of power supply cabling can be changed by changing the total length of power supply cabling.Such as it can will need to increase electricity
The length of the power supply cabling of resistance value increases, specifically such as, will by way of coiling in figure 2 above or cabling subregion shown in Fig. 3
Power supply track lengths in nearest region IV increase maximum, by the power supply track lengths in the closer region III of distance
Increase it is larger, the power supply track lengths increase in distance region II farther out is smaller, by the power supply in farthest region I
Track lengths increase minimum or maintain its raw footage constant.That is, increased more for the length of the remoter power supply cabling of distance
It is short, to which increased resistance is smaller.
Example four：
The resistance value of power supply cabling can be changed by changing the line width of power supply cabling.Such as adjustment needs to increase resistance
The width of the power supply cabling of value, specifically such as, in figure 2 above or cabling subregion shown in Fig. 3, by the power supply in nearest region IV
The width of the local location of cabling is set as minimum, by the width of the local location of the power supply cabling in the closer region III of distance
Degree is set as smaller, the width of the local location of the power supply cabling in the region II of distance farther out is set as larger, by distance
The width of the local location of power supply cabling in farthest region I is set as maximum.That is, for the closer power supply cabling of distance
The width of local location is set as smaller, to which increased resistance is bigger.And the length of above-mentioned local location can be according to reality
Border situation setting, does not limit herein.
The present invention also provides a kind of OLED display, which includes any of the above-described OLED display panel.
The beneficial effects of the invention are as follows：The case where being different from the prior art, OLED display panel of the invention include display
Area and non-display area, wherein viewing area is equipped with several pixels, and non-display area is several equipped with being connect respectively with power input pin
Power supply cabling, if supply cabling is used to provide power supply for several pixels.Different electrical power cabling may be due to walking line impedence pressure
The factors such as drop is different, driving thin film transistor (TFT) threshold voltage has differences, are input to the voltage cloth of several pixels in viewing area
It is uneven, if the present invention by the way that the resistance of at least partly power supply cabling in supply cabling is set as different, if to reduce
Supply cabling is input to the difference between the power supply of several pixels, keeps the voltage's distribiuting of several pixels of input uniform, Jin Erti
Rise the image quality of OLED display panel.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of Organic Light Emitting Diode OLED display panel, which is characterized in that including viewing area and non-display area, wherein institute
It states viewing area and is equipped with several pixels, if the non-display area is equipped with the supply cabling being connect respectively with power input pin, institute
If stating supply cabling for providing power supply for several pixels；Wherein, if it is at least partly electric in the supply cabling
The resistance of source cabling is set as different, if being input to the difference between the power supply of several pixels to reduce the supply cabling
It is different.
2. OLED display panel according to claim 1, which is characterized in that at least partly power supply cabling includes piece
The first trace portions and the second trace portions resistance difference and be connected with each other, wherein between the power supply cabling of different resistance, institute
The length for stating the second trace portions accounts for the ratio of the power supply cabling total length and also differs.
3. OLED display panel according to claim 2, which is characterized in that first trace portions include the first sub-portion
Divide and the second subdivision, first subdivision are connected with the second subdivision by second trace portions, described second walks
The sheet resistance of line part is more than first trace portions, and the length of second trace portions accounts for the power supply cabling total length
Ratio it is bigger, the resistance of the power supply cabling is bigger.
4. OLED display panel according to claim 1, which is characterized in that the total length of the power supply cabling of different resistance values
It differs, wherein the total length of the power supply cabling is longer, and the resistance value of the power supply cabling is bigger.
5. OLED display panel according to claim 1, which is characterized in that between the power supply cabling of different resistance values, at least
The width of local location differs, wherein the width of the local location is smaller, and the resistance value of the power supply cabling is bigger.
6. OLED display panel according to claim 1, which is characterized in that if the supply cabling is walked including first
Line part and the second trace portions, first trace portions and the second trace portions are connected by at least partly region of resistor disc
It connects, wherein the potential of the resistor disc is identical in a first direction, and uniformly becomes larger or become smaller in a second direction, difference resistance
Between the power supply cabling of value, the region of resistor disc is connected in a second direction between the first trace portions and the second trace portions
Length is different.
7. OLED display panel according to claim 1, which is characterized in that closer to the several of the power input pin
The resistance of power supply cabling is set as bigger.
8. OLED display panel according to claim 7, which is characterized in that if the supply cabling according to the electricity
Distance between the input pin of source is divided into multiple routing regions, wherein in the routing region of the power input pin
The resistance of power supply cabling be set as bigger.
9. OLED display panel according to claim 8, which is characterized in that the viewing area further includes the drive of the pixel
Dynamic circuit, the driving circuit includes storage capacitance, first switch and second switch, and the control terminal of the first switch is used for
Input scanning signal, the input terminal of the first switch is used for input data signal, the output end of the first switch with it is described
The control terminal of second switch connects, and the input terminal of the second switch is connected to the power supply cabling and is connected by storage capacitance
In its control terminal, the output end of the second switch is connected to the anode or cathode of the pixel, to drive the pixel to carry out
It shines；
Wherein, in the same routing region, the threshold value of the resistance value second switch connected to it of the power supply cabling
Voltage is negatively correlated.
10. a kind of OLED display, which is characterized in that the OLED display includes claim 1-9 any one of them
OLED display panel.
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| CN201810154438.3A CN108389880B (en) | 2018-02-23 | 2018-02-23 | OLED display panel and OLED display |
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| CN110379327A (en) * | 2019-08-13 | 2019-10-25 | 深圳视爵光旭电子有限公司 | A kind of display module of matrix form SMD-LED structure |
| CN110930931A (en) * | 2019-12-30 | 2020-03-27 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111754942A (en) * | 2020-07-29 | 2020-10-09 | 京东方科技集团股份有限公司 | Brightness compensation method, device and equipment of display device and display device |
| WO2020227861A1 (en) * | 2019-05-10 | 2020-11-19 | 京东方科技集团股份有限公司 | Light-emitting driving substrate and manufacturing method therefor, light-emitting substrate, and display device |
| CN112216733A (en) * | 2020-10-14 | 2021-01-12 | 京东方科技集团股份有限公司 | Display screen and electronic equipment |
| CN114582285A (en) * | 2022-05-06 | 2022-06-03 | 惠科股份有限公司 | Drive circuit, display device and debugging method |
| CN115132139A (en) * | 2022-06-27 | 2022-09-30 | 绵阳惠科光电科技有限公司 | Display driving circuit and display device |
| WO2022227443A1 (en) * | 2021-04-29 | 2022-11-03 | 京东方科技集团股份有限公司 | Display module and display device |
| WO2022236887A1 (en) * | 2021-05-14 | 2022-11-17 | 深圳市华星光电半导体显示技术有限公司 | Display panel and electronic apparatus |
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