CN106654025B - A kind of OLED screen curtain and manufacturing method and display control method - Google Patents
A kind of OLED screen curtain and manufacturing method and display control method Download PDFInfo
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- CN106654025B CN106654025B CN201610838215.XA CN201610838215A CN106654025B CN 106654025 B CN106654025 B CN 106654025B CN 201610838215 A CN201610838215 A CN 201610838215A CN 106654025 B CN106654025 B CN 106654025B
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- H10K50/00—Organic light-emitting devices
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- H10K50/00—Organic light-emitting devices
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
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- H—ELECTRICITY
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Abstract
The application provides a kind of OLED screen curtain and manufacturing method and display control method, wherein, include several pixels, the first cathode and the second cathode, and, for each pixel, first cathode and the second cathode are covered each by a part for being connected to the pixel, that is, are covered each by the pixel and connect first cathode and second cathode.And for pixel, when hole only in the pixel receives electronics, the pixel can just shine, and the part that covering connects first cathode in the pixel only can obtain electronics from first cathode, the part that covering connects second cathode in the pixel only can obtain electronics from second cathode, so the pixel can be allowed partially to shine by first cathode and second cathode, improve the PPI of screen, and it avoids the screen function caused by raising screen PPI in the prior art to be castrated, increased production cost, the problems such as poor display effect.
Description
Technical field
This application involves semiconductor field more particularly to a kind of OLED screen curtain and manufacturing method and display control methods.
Background technique
Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED), due to have can actively shine,
Small in size, angular field of view is big, fast response time, wide colour gamut, the features such as operating temperature range is wide and by screen production firm
Like, and more and more screen production firms also start to produce screen (that is, OLED using the display mode based on OLED
Screen).
Since the resolution ratio of screen is higher, the display effect of screen is better, so requirement of the people to screen resolution
Also higher.And with advances in technology, the pixel density (Pixels Per Inch, PPI) of tradition OLED screen curtain may be used now
To be easily reached 300PPI or so, and this can no longer meet people's door for the demand of high-resolution screen.
Then, in the prior art, people start the PPI that screen is improved using following four method.
The first, it is thin in single pixel point (that is, emitting red light point, green emitting point and blue-light-emitting point) by reducing
Film transistor (Thin Film Transistor, TFT) quantity, to reduce the size of each pixel, to make unit area
On pixel increase；
Second, the manufacturing process of each device and circuit is improved, makes each device and circuit finer as far as possible, (e.g.,
Circuit trace width is reduced to 3 microns from 5 microns) to make the size of each pixel reduce；
The third, by the metal dielectric layer semiconductor structure (Metal-Insulator- in pixel
Semiconductor, MIS) capacitor replaces with the smaller metal dielectric layer metal structure (Metal-Insulator- of volume
Metal, MIM) capacitor；
4th kind, by changing the arrangement mode (e.g., Pentile arrangement mode) of pixel sub-pixel point to realize
Higher screen PPI.
But first method may cause sophisticated functions and be difficult to realize (e.g., guaranteeing pixel brightness and working time
While reduce power consumption), second and the third method then will increase dramatically production cost, and fourth method will cause screen again
The image border out-of-flatness (e.g., poor display effect of the Pentile arrangement mode for curve) of curtain display.
As it can be seen that in the prior art for the improvement method of the PPI of OLED screen curtain, there are function castrating, costs to improve, aobvious
Show the problems such as ineffective.
Summary of the invention
The embodiment of the present application provides a kind of OLED screen curtain and manufacturing method and display control method, to solve existing skill
For the improvement method of the PPI of OLED screen curtain in art, the problems such as there are function castrating, costs to improve, poor display effect.
The embodiment of the present application adopts the following technical solutions:
A kind of OLED screen curtain provided by the embodiments of the present application, comprising: several pixels, the first cathode and the second cathode,
Wherein:
For each pixel, which connect with first cathode and second cathode；
Every strip electrode of first cathode is successively covered each by the one of each pixel for being connected to adjacent rows pixel
Part, every strip electrode of second cathode are successively covered each by another portion for being connected to each pixel of adjacent rows pixel
Point；
It is not connected between first cathode (101) and second cathode (102).
The OLED screen curtain further include: substrate, thin film transistor (TFT) TFT circuit, anode and encapsulated layer, in which:
The substrate is for carrying the TFT circuit, anode, several pixels, the first cathode, the second cathode and encapsulation
Layer；
The TFT circuit is for driving the anode to make to generate hole in the pixel；
First cathode and second cathode are used to transmit electronics to the pixel；
When the hole in the pixel receives electronics, the pixel shines；
The encapsulated layer, for by the thin film transistor (TFT) TFT circuit, anode, several pixels, the first cathode and the
Two cathodes encapsulate on the substrate.
For each pixel, first cathode covers the area and second cathode of connection on the pixel
The area that connection is covered on the pixel is identical.
There is preset interval between first cathode and second cathode.
A kind of manufacturing method of as above described in any item OLED screen curtains, comprising:
Performed thin film transistor TFT circuit, anode and each pixel in substrate；
Cathode exposure mask is set on each pixel；
Cathode layer is laid on the cathode exposure mask；
The cathode exposure mask is removed, so that covering the first cathode of connection and the second cathode on each pixel；
Each pixel that covering is connected with first cathode and the second cathode is encapsulated in the substrate using encapsulated layer
On.
A kind of display control method of as above described in any item OELD screens, comprising:
According to the refreshing frequency of the OLED screen curtain, the energization frequency of the first cathode and the second cathode in the unit time is determined
Rate, so that the first cathode according to the energization frequency and second cathodal closing or power-off；
Wherein, first cathode and the second cathode alternate energisation, so that first cathode covering connection
The pixel replaces with the pixel of second cathode covering connection to shine.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
Include several pixels, the first cathode and the second cathode in the OLED screen curtain, also, is directed to each pixel
Point, first cathode and the second cathode are covered each by a part for being connected to the pixel, that is, the company of being covered each by the pixel
Connect first cathode and second cathode.And due to for the pixel, when the hole only in the pixel receives electronics,
The pixel can just shine, and the part that covering is connected with first cathode in the pixel can only be obtained from first cathode
Electronics, the part that covering is connected with second cathode in the pixel only can obtain electronics from second cathode, it is possible to logical
It crosses first cathode and second cathode allows the pixel partially to shine, i.e., so that each of the screen is controllable
The area of light emitting region further reduce, actually increase the PPI of screen, and avoid and shield in the prior art improving
The problems such as screen function is castrated, increased production cost, poor display effect caused by curtain PPI.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the dot structure schematic diagram of OLED screen curtain provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of single pixel point in OLED screen curtain provided by the embodiments of the present application；
Fig. 3 is a kind of manufacturing process of OLED screen curtain provided by the embodiments of the present application；
Fig. 4 is the cross section structure schematic diagram of OLED screen curtain provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Fig. 1 is the dot structure schematic diagram of OLED screen curtain provided by the embodiments of the present application, comprising:
Several pixels 103, the first cathode 101 and the second cathode 102, due to being somebody's turn to do for each pixel 103
The luminescent condition of pixel 103 first is that receiving the electronics of cathode transport, wherein be directed to each pixel 103, the pixel
Point 103 is connected with first cathode 101 and second cathode 102, and first cathode 101 covering connection and the pixel
103 a part, second cathode 102 cover a part for being connected to the pixel 103.
Also, OLED screen curtain described herein can not be constituted due to only having above structure, so the OLED screen curtain is also
Can include: substrate 106, thin film transistor (TFT) TFT circuit 105, anode 104 and encapsulated layer 107, then, the embodiment of the present application provide
OLED screen curtain in the structural schematic diagram of single pixel point can be as shown in Figure 2, wherein when the hole in the pixel 103 receives
When to electronics, hole and the part of electronic contact shine in the pixel 103.
Specifically, the pixel 103 can just shine due to when generating hole in the pixel 103 and receiving electronics,
And need to form electric current in the pixel 103 after the generation in hole in the pixel 103, so ought be connect with the pixel
The anode 104 and first cathode 101 are powered (that is, forming electric current between the anode 104 and first cathode 101 generates electricity
Pressure) when, the part that the pixel 103 covering is connected with first cathode 101 can receive electronics, which connects the sun
A part of pole 104 generates hole (it should be noted that the part meeting of the only anode 104 opposite with first cathode 101
Generate hole), and the hole and received electronics that generate in the pixel 103 move toward one another under the driving of voltage, until
Hole receives electron luminescence, so that the part that the pixel 103 covering is connected with first cathode 101 shines.Similarly,
When the anode 104 connecting with the pixel and 102 conducting electric current of the second cathode, the pixel 103 covering is connected with this
The part of second cathode 102 shines.
Further, for each pixel 103, it is assumed that the anode 104 connecting with the pixel 103 is in TFT electricity
State is switched under the driving on road 105, then at this time the pixel 103 whether shine and which part shine, be dependent on
Whether first cathode 101 and second cathode 102 of pixel covering connection are powered.Then, can by control this
Whether one cathode 101 and second cathode 102 are powered, control the pixel 103 covering be connected with first cathode 101 with
And the part of second cathode 102 shines or does not shine, so that the face of the controllable luminous part of the reality of the pixel 103
Product size is become the area of the pixel 103 by the entire area of the pixel 103 in the prior art, that is, the OLED
The area of each controllable luminous component reduces in screen unit area, it is believed that each pixel 103 becomes
Two pixels 103, the PPI for also allowing for the OLED screen curtain are greatly improved.
In addition, the substrate 106 in the OLED screen curtain is for carrying the TFT circuit 105, the anode 104, each pixel
103, first cathode 101, second cathode 102 and the encapsulated layer 107, the TFT circuit 105 are used to drive the anode 104,
So that making to generate hole in the pixel 103 by the anode 104, the encapsulated layer 107, it is used for the TFT circuit 105, is somebody's turn to do
Anode 104, each pixel 103, first cathode 101 and second cathode 102 are encapsulated in the substrate 106.
It should be noted that consistent with the prior art, for each pixel 103, which has corresponding to one
A anode 104, that is, each pixel 103 has an anode 104.Also, described TFT circuit 105 in this application
Consistent with the prior art may include several horizontal scanning lines, several column drive wires, each TFT and each capacitor, due to the substrate 106, be somebody's turn to do
The structure of TFT circuit 105 and the anode 104 is consistent with the prior art, so the application repeats no more this structure.
Further, for each pixel 103, since the luminous component of the pixel 103 can pass through first yin
Pole 101 and second cathode 102 control, also, first cathode 101 covering is connected to the part of the pixel 103
Area have it is much, by first cathode 101 can control the luminous component of the pixel 103 area just have it is much, so
The area and second cathode 102 that first cathode 101 covers connection on the pixel 103 on the pixel 103 are in the picture
The area that connection is covered on vegetarian refreshments 103 can be identical.As shown in Figure 1, passing through Fig. 1 as it can be seen that being directed to each pixel 103, it is somebody's turn to do
First cathode 101 covers the area for connecting the pixel 103 and second cathode 102 covering connects the face of the pixel 103
Product is identical.
Join Fig. 1, Fig. 2 and Fig. 4 it is found that every strip electrode of the first cathode 101 is successively covered each by and is connected to adjacent rows picture
A part of each pixel of element, every strip electrode of the second cathode 102, which is successively covered each by, is connected to adjacent rows pixel
Another part of each pixel.
Further, due to first cathode 101 and second cathode 102 can mutually independent energization or power-off,
The part of each pixel 103 is connected to control covering whether to shine, thus first cathode 101 and second cathode 102 it
Between be not connected to, also, first cathode 101 can with second cathode 102 have preset interval (e.g., 3 microns).
Since first cathode 101 and second cathode 102 are that covering is connected on the pixel 103, so when should
Between first cathode 101 and second cathode 102 have preset interval when, the pixel 103 a part (that is, this first
The part being spaced between cathode 101 and second cathode 102) it can not just receive electronics and lack luminescent condition, then, in skill
Interval in the possible situation of art between first cathode 101 and second cathode 102 can reduce as far as possible, e.g., 1 micron or
500 nanometers or smaller, specific this is set to how many certainly, and the application is simultaneously not specifically limited.
In addition, conventionally, as OLED screen curtain needs to update screen with preset refreshing frequency when showing information
Electric signal in curtain (e.g., by each horizontal scanning line for including in TFT circuit 105, is with default timing with the picture for showing needs
Each horizontal scanning line circuits sequentially energization, to control the electric current of the anode 104 in each pixel 103), so in this application,
The energization frequency of first cathode 101 He second cathode 102 can be determined according to the preset refreshing frequency of OLED screen curtain.
Wherein, if if since first cathode 101 and second cathode 102 are powered or power off, the work of first cathode 101 simultaneously
Just has no difference with the effect with second cathode 102, institute's first cathode 101 can replace logical point with second cathode 102
Or power-off, that is, when first cathode 101 is powered, second cathode 102 power-off, vice versa.
Also, the energization frequency of first cathode 101 and second cathode 102 can be preset not less than the OLED screen curtain
Refreshing frequency, for example, when the refreshing frequency of the OLED screen curtain is 60Hz, then first cathode and second cathode 102
Energization frequency also can be 60Hz, then at this time, it is assumed that by taking a pixel 103 as an example, if the pixel 103 within the unit time
Anode is constantly in energized state, then at this point, if the energization frequency of first cathode 101 and second cathode 102 is 60Hz,
Then the pixel 103 is within the unit time, and covering is connected with the part of first cathode 101 and is shone with the frequency of 60Hz or not
It shines, and when the part that covering is connected with first cathode 101 shines, the pixel 103 covering is connected with second yin
The part of pole 102 does not shine, when the part that covering is connected with first cathode 101 does not shine, the pixel 103 covering connection
There is the part of second cathode 102 to shine.
Pass through OLED screen curtain as depicted in figs. 1 and 2, it is seen that due to covering on each pixel 103 of the OLED screen curtain
It is connected with first cathode 101 and second cathode 102, so as to luminous portion controllable in each pixel 103
The area divided further reduces, that is to say, that it can be shown with smaller region in the finer control OLED screen curtain, from
And the PPI of OLED screen curtain is improved, also, since Fig. 1 and OLED screen curtain shown in Fig. 2 are the TFT for being not necessarily to reduce in TFT circuit
Quantity, without raising manufacturing process or replacement capacitor is required, also without changing row of the pixel 103 in the OLED screen curtain
Column mode, so efficiently avoiding improving the castrating of function caused by the method for the PPI of OLED screen curtain, cost in the prior art
The problems such as raising, poor display effect.
It should be noted that the pixel 103 is different according to the color displays mode of OLED screen curtain in this application
And it is different, e.g., which can be entirely the pixel 103 for emitting white light, and color displays have other color layer control
System or the pixel 103 can emit the pixel 103 of red blue or green light, specifically, the pixel 103 is adopted
With which kind of material, emit the light (that is, the light for emitting which kind of color) of which kind of frequency, the application is simultaneously not specifically limited.
Explanation is needed further exist for, due to only having active OLED screen just to need to control single pixel by TFT circuit
The anode 104 in point 103 is to control shining for the pixel 103, so the OLED screen curtain specifically may be used in this application
For active OLED screen.
Based on a kind of OLED screen curtain shown in FIG. 1, the embodiment of the present application also provides a kind of manufacturing method of OLED screen curtain, such as
Shown in Fig. 3.
Fig. 3 is a kind of manufacturing process of OLED screen curtain provided by the embodiments of the present application, is specifically included:
S101: prefabricated TFT circuit 105, anode 104 and each pixel 103 on the substrate 106.
In the embodiment of the present application, same as the prior art, which is also required to multiple tracks technique in the fabrication process
Each structure of the OLED screen curtain is successively produced, e.g., needs first to manufacture TFT circuit 105 on base, remanufacture later and TFT
The connected anode 104, etc. of circuit 105, and the TFT circuit 105 in OLED screen curtain manufacturing process provided by the embodiments of the present application,
The manufacturing process of anode 104 and each pixel 103 and the prior art and indifference, then repeat no more the TFT circuit 105,
The manufacturing process of anode 104 and each pixel 103, that is, made in advance in the substrate 106 of the OLED screen curtain in this application
The TFT circuit 105, anode 104 and each pixel 103 are made.
It is further to note that since the substrate 106, TFT circuit 105, anode 104 and each pixel 103 manufacture
Process is consistent with the prior art, so the substrate 106, TFT circuit 105, anode 104 and each pixel 103 are using which kind of
Material manufacture, manufacture at which kind of shape and how to manufacture the application to and be not specifically limited.
S102: cathode exposure mask is set on each pixel.
In the embodiment of the present application, when prefabricated including TFT circuit 105, anode 104 and each pixel on the substrate 106
After each layer structure including 103, it is also necessary to which corresponding laying cathode layer makes each pixel 103 can be with will pass through the cathode layer
Electronics is received, is shone when the electronics received with hole in the pixel 103 by combining, that is, the pixel 103 hair
Light.
Further, due to including the first cathode 101 and the second cathode in the OLED screen curtain described in this application
102, so before being laid with the cathode layer, it is also necessary to cathode exposure mask be arranged on each pixel 103, so that passing through the cathode
Each pixel 103 is divided into two regions by exposure mask, so that subsequent step can be first cathode 101 and the second cathode
102 can cover connection and two different zones in each pixel 103.
S103: cathode layer is laid on the cathode exposure mask.
In the embodiment of the present application, after cathode exposure mask is set on each pixel 103, cathode exposure mask can be provided with
Each pixel 103 on continue be laid with cathode layer.Wherein the cathode layer, which can according to need, is laid with, and chemical gaseous phase is such as used
Sedimentation (Chemical Vapor Deposition, CVD) deposits one layer of cathode layer on each pixel 103.
It should be noted that the cathode layer is using which kind of material the application and is not specifically limited, it can be according to practical OLED
The demand when manufacture of screen and determine.
S104: removing the cathode exposure mask, so that covering the first cathode 101 of connection and the on each pixel 103
Two cathodes 102.
In the embodiment of the present application, after laying the cathode layer, it can remove and being somebody's turn to do on each pixel 103 is set
Cathode exposure mask, so that covering connects first cathode 101 and second cathode 102 on each pixel 103.
Wherein, it is each to determine that first cathode 101 and second cathode 102 covering are connected to for the shape of the cathode exposure mask
Area and shape on pixel 103.
S105: covering is connected with to each pixel of first cathode 101 and the second cathode 102 using encapsulated layer 107
It is encapsulated in the substrate 106.
In the embodiment of the present application, after removing cathode exposure mask, the part of display function has been realized just in the OLED screen curtain
It is finished through manufacture, then it is subsequent in order to increase the service life of the OLED screen curtain, and the OLED screen curtain is protected, encapsulation also can be used
Each pixel that the covering is connected with first cathode 101 and the second cathode 102 is encapsulated in the substrate 106 by layer, so that
Obtain the structure that the OLED screen curtain forms such as Fig. 4.
Fig. 4 is the cross section structure schematic diagram of OLED screen curtain provided by the embodiments of the present application, wherein as it can be seen that in the substrate 106
And between the encapsulated layer 107, be packaged with the TFT circuit 105, the anode 104, each pixel 103, first cathode 101 with
And second cathode 102.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (7)
1. a kind of OLED screen curtain characterized by comprising several pixels (103), the first cathode (101) and the second cathode
(102), in which:
For each pixel (103), the pixel (103) and first cathode (101) and second cathode
(102) it connects；
Every strip electrode of first cathode (101) is successively covered each by each pixel for being connected to adjacent rows pixel
(103) a part, every strip electrode of second cathode (102), which is successively covered each by, is connected to each of adjacent rows pixel
Another part of pixel (103)；
It is not connected between first cathode (101) and second cathode (102).
2. OLED screen curtain as described in claim 1, which is characterized in that the OLED screen curtain further include: substrate (106), film
Transistor TFT circuit (105), anode (104) and encapsulated layer (107), in which:
The substrate (106) is for carrying the TFT circuit (105), anode (104), several pixels (103), the first cathode
(101), the second cathode (102) and encapsulated layer (107)；
The TFT circuit (105) is for driving the anode (104) to make to generate hole in the pixel (103)；
First cathode (101) and second cathode (102) are used to transmit electronics to the pixel (103)；
When the hole in the pixel (103) receives electronics, the pixel (103) shines；
The encapsulated layer (107) is used for the thin film transistor (TFT) TFT circuit (105), anode (104), several pixels
(103), the first cathode (101) and the second cathode (102) are encapsulated on the substrate (106).
3. OLED screen curtain as described in claim 1, which is characterized in that be directed to each pixel (103), first cathode
(101) area and second cathode (102) that connection is covered on the pixel (103) cover on the pixel (103)
The area of connection is identical.
4. OLED screen curtain as described in claim 1, which is characterized in that first cathode (101) and second cathode
(102) there is preset interval between.
5. a kind of manufacturing method of the OLED screen curtain as described in Claims 1 to 4 is any characterized by comprising
Performed thin film transistor TFT circuit (105), anode (104) and each pixel (103) on substrate (106)；
Cathode exposure mask is set on each pixel；
Cathode layer is laid on the cathode exposure mask；
The cathode exposure mask is removed, so that covering connection the first cathode (101) and the second cathode on each pixel (103)
(102)；
Covering is connected with to each pixel of first cathode (101) and the second cathode (102) using encapsulated layer (107)
(103) it is encapsulated on the substrate (106).
6. method as claimed in claim 5, which is characterized in that cathode exposure mask is arranged on each pixel, specifically includes:
The cathode exposure mask is arranged on each pixel (103), so that being directed to each pixel (103), the pixel
(103) two regions are divided by the cathode exposure mask, so that first cathode (101) covering is connected to described two areas
One in domain, second cathode (102) covers another being connected in described two regions.
7. a kind of display control method of the OLED screen curtain as described in Claims 1 to 4 is any characterized by comprising
According to the refreshing frequency of the OLED screen curtain, the first cathode (101) in the unit time and the second cathode (102) are determined
Energization frequency；
First cathode (101) and second cathode (102) is set to be powered according to the energization frequency, so that described the
One cathode (101) and the second cathode (102) alternate energisation, and so that the institute that first cathode (101) covering connects
State the covering connection of pixel (103) and second cathode (102) the pixel (103) replace it is luminous.
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| CN201610838215.XA CN106654025B (en) | 2016-09-21 | 2016-09-21 | A kind of OLED screen curtain and manufacturing method and display control method |
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| CN101419776A (en) * | 2007-10-26 | 2009-04-29 | 索尼株式会社 | Display device, driving method of display device and electric equipment |
| CN102598346A (en) * | 2009-10-29 | 2012-07-18 | 全球Oled科技有限责任公司 | Active matrix electroluminescent display with segmented electrode |
| CN104143608A (en) * | 2014-07-25 | 2014-11-12 | 京东方科技集团股份有限公司 | Organic light-emitting device, preparation method thereof and display device |
| CN104701351A (en) * | 2015-03-20 | 2015-06-10 | 京东方科技集团股份有限公司 | OLED substrate, manufacturing method thereof, OLED display panel and electronic apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3983037B2 (en) * | 2001-11-22 | 2007-09-26 | 株式会社半導体エネルギー研究所 | Light emitting device and manufacturing method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419776A (en) * | 2007-10-26 | 2009-04-29 | 索尼株式会社 | Display device, driving method of display device and electric equipment |
| CN102598346A (en) * | 2009-10-29 | 2012-07-18 | 全球Oled科技有限责任公司 | Active matrix electroluminescent display with segmented electrode |
| CN104143608A (en) * | 2014-07-25 | 2014-11-12 | 京东方科技集团股份有限公司 | Organic light-emitting device, preparation method thereof and display device |
| CN104701351A (en) * | 2015-03-20 | 2015-06-10 | 京东方科技集团股份有限公司 | OLED substrate, manufacturing method thereof, OLED display panel and electronic apparatus |
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