CN1612654A - Organic light-emitting display panel - Google Patents
Organic light-emitting display panel Download PDFInfo
- Publication number
- CN1612654A CN1612654A CNA2003101029757A CN200310102975A CN1612654A CN 1612654 A CN1612654 A CN 1612654A CN A2003101029757 A CNA2003101029757 A CN A2003101029757A CN 200310102975 A CN200310102975 A CN 200310102975A CN 1612654 A CN1612654 A CN 1612654A
- Authority
- CN
- China
- Prior art keywords
- light emitting
- organic light
- those
- emitting diodes
- emitting diode
- 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.)
- Pending
Links
Images
Abstract
The organic luminous display faceplate comprises a base plate including defined multiple first pixel areas, second pixel areas and third pixel areas, as well as multiple programmable first organic light emitting diodes (OLED), second OLED and third OLED set up at first pixel area, second pixel area and third pixel area respectively. First OLED possesses first common electrode connected to first conducting wire electrically. Second OLED possesses second common electrode connected to second conducting wire electrically. The first conducting wire and the second conducting wire are connected to external power source. Radiation colors of first and second OLED are determined based on different temperatures.
Description
Technical field
The present invention relates to a kind of organic electroluminescence display panel (organic light emitting display panel, OLED panel), particularly a kind of public electrode (commonelectrode) that utilizes Organic Light Emitting Diode forms the organic electroluminescence display panel of a heating circuit (heating circuit) structure.
Background technology
Along with making rapid progress of science and technology, the intelligent information products of frivolous, power saving, portable have been full of our living space, display has then been played the part of considerable role betwixt, no matter be mobile phone, personal digital assistant or notebook computer, all need the interface of display as man-machine communication.Display is at high image quality, big picture, existing very much progress under the demand cheaply in recent years, wherein under the successful exploitation of organic material, organic light emitting display is with advantages such as simple structure and splendid working temperature, contrast, visual angles, in the monitor market, attracted attention gradually, even outmatch LCD (liquid crystal display, LCD) or cathode ray tube (cathode ray tube, CRT) trend on the display.
Because luminous organic material is a current drives luminescence component, and can according to produce the light of different brightness by the size of electric current, therefore as long as the filter (color filter) of collocation appropriate color, organic light emitting display can make full use of red, blue, the green glow that this specific character produces different gray scales, produces coloury image further to make display.
Please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 utilize three colours usually to make the schematic diagram of an organic electroluminescence display panel 10 in the prior art.Shown in figure one, organic electroluminescence display panel 10 of the prior art is arranged on the transparency carrier 12, and transparency carrier 12 is a glass (glass) substrate, plastics (plastic) substrate or a quartz (quartz) substrate.Transparency carrier 12 surfaces are provided with one drive circuit, on it and be provided with an insulating barrier 16, and a plurality of rectangular arrays that are are arranged with OLED and are formed on the insulating barrier 16, and on each Organic Light Emitting Diode, form the filter of appropriate color, with formation red pixel 18, blue pixel 22 and green pixel 24, and adjacent red pixel 18, blue pixel 22 and green pixel 24 constitute a colour element 20.
Please refer to Fig. 2, Fig. 2 is organic electroluminescence display panel 10 a shown in Figure 1 generalized section along tangent line A-A '.As shown in Figure 2, among each pixel 18,22 and 24 of organic electroluminescence display panel 10 (please refer to Fig. 1), comprise respectively and be formed at insulating barrier 16 lip-deep transparency conducting layers (transparent conductive layer) 26, be used for regarding the bottom electrode of each Organic Light Emitting Diode, one organic luminous layer (organic luminous layer) 28 is formed at the surface of transparency conducting layer 26, and a top electrode 32 is formed at organic luminous layer 28 surfaces.
Wherein, top electrode 32 can select for use metal level or transparency conducting layer as its main material according to the light emission direction of organic electroluminescence display panel 10 with bottom electrode 26, with downward luminous organic electroluminescence display panel 10 is example, bottom electrode 26 is one to include tin indium oxide (indium tin oxide, ITO) layer or indium zinc oxide (indium zinc oxide, IZO) Ceng transparency conducting layer, top electrode 32 then is made of the metal or alloy of low work function, includes a magnesium metal level (Mg layer) usually, one aluminum metal layer (Al layer) or one lithium/ag alloy layer (Li/Ag alloy layer).Organic luminous layer 28 then includes a hole transmission layer (hole transport layer respectively, HTL) (not shown), a luminescent layer (emitting layer, EL) (not shown), and one electron transfer layer (electron transport layer, ETL) (not shown) is formed on the bottom electrode 26 in regular turn.
Though the material that needs only by changing organic luminous layer 28 is the glow color of each Organic Light Emitting Diode of may command in theory, by forming the pixel of different colours, yet because organic luminous layer 28 in fact is a multilayer stack architecture, and its structure is quite complicated, so if desire to constitute the pixel of different colours with the organic luminous layer 28 of unlike material, difficulty in the making is arranged in fact, therefore in the prior art, most first formation can be sent the Organic Light Emitting Diode of white light, suitable red by collocation again, blue, green three-colour filter, produce red, blue, the pixel of green three looks is to constitute a colour element.Yet the method need be provided with filter, on technology, must to control the accuracy (alignment accuracy) of contraposition again, in order to avoid cause the inhomogeneous of three coloured light, thus often cause extra restriction when layout configurations (layout), and then reduce aperture opening ratio (aperture ratio).
Therefore, design a kind of new organic electroluminescence display panel,, just become current important topic to solve the problems of the prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of organic electroluminescence display panel, especially refers to a kind of organic electroluminescence display panel with a heating circuit structure and programmable Organic Light Emitting Diode, to avoid producing the problems referred to above.
In most preferred embodiment of the present invention, provide a kind of organic electroluminescence display panel to comprise that one has defined a plurality of first pixel regions, the substrate of second pixel region and the 3rd pixel region, and a plurality of programmable first Organic Light Emitting Diodes, second Organic Light Emitting Diode, the 3rd Organic Light Emitting Diode is formed at respectively this first pixel region respectively, in second pixel region and the 3rd pixel region, those first Organic Light Emitting Diodes have a plurality of first public electrodes, be electrically connected to one first lead, those second Organic Light Emitting Diodes have a plurality of second public electrodes, be electrically connected to one second lead, and an external power source is electrically connected to this first lead and this second lead comes this first Organic Light Emitting Diode respectively, second Organic Light Emitting Diode heats, to determine the glow color of those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes according to different temperature.
Because organic electroluminescence display panel of the present invention, the public electrode of Organic Light Emitting Diode is given suitable patterning, and collocation lead and grounding electrode form a heating circuit, and the Organic Light Emitting Diode that utilizes a heating process will send ruddiness and green glow is again made.Therefore, not only do not need to use filter, can avoid the problem of contraposition accuracy that aperture opening ratio is raised, different organic films need be set in response to different colours again, make technology keep oversimplifying, be unlikely to extra problem to occur because of complicated technology.Generally speaking, organic electroluminescence display panel of the present invention has low cost, heat treatment process is easy and advantage such as high production capacity.
Description of drawings
Fig. 1 and Fig. 2 are the schematic diagram of an organic electroluminescence display panel in the prior art.
Fig. 3 is the schematic diagram of an organic electroluminescence display panel among first embodiment among the present invention.
Fig. 4 is the schematic diagram of an organic electroluminescence display panel among second embodiment among the present invention.
Description of reference numerals:
10 organic electroluminescence display panels
12 substrates
16 insulating barriers
18 red pixels
20 colour elements
22 green pixels
24 blue pixel
26 bottom electrodes
28 organic luminous layers
32 top electrodes
110 organic electroluminescence display panels
112 substrates
116 first leads
118 second leads
122 the 3rd public electrodes
124 second public electrodes
126 grounding electrodes
128 first public electrodes
130 heating circuit structures
132a first Organic Light Emitting Diode
132b second Organic Light Emitting Diode
132c the 3rd Organic Light Emitting Diode
134 blue pixel
136 green pixels
138 red pixels
140 colour elements
210 organic electroluminescence display panels
212 substrates
216 leads
224 second public electrodes
226 grounding electrodes
228 first public electrodes
230 heating circuit structures
232 the 3rd public electrodes
234 blue pixel
236 green pixels
238 red pixels
240 colour elements
Embodiment
Please refer to Fig. 3, Fig. 3 is the schematic diagram of the organic electroluminescence display panel 110 in the first embodiment of the invention.As shown in Figure 3, organic electroluminescence display panel 110 of the present invention comprises a transparency carrier 112, transparency carrier 112 is a glass substrate, a plastic base or a quartz base plate, and definition has a plurality of first pixel regions (pixel area), second pixel region, the 3rd pixel region to be used for making red pixel 138, green pixel 136 and blue pixel 134 respectively on the transparency carrier 112.
Organic electroluminescence display panel 110 comprises that also one first lead (conductive line), 116 and 1 second lead 118 is arranged on the surface of substrate 112, wherein, holding wire (signal line on first lead 116, second lead 118 and the organic electroluminescence display panel 110, do not show) form via the same metal level of patterning, and first lead 116 and second lead 118 comprise a tungsten line (W line), a chromium line (Crline) or other conductive metal wire.
Then can form one first dielectric layer (not shown) thereon, be covered on first lead 116, second lead 118 and other driver circuit, wherein be provided with a plurality of first contact holes in first dielectric layer to expose part first lead 116 and second lead 118.But follow again the first Organic Light Emitting Diode 132a, the second Organic Light Emitting Diode 132b and the 3rd Organic Light Emitting Diode 132c that form a plurality of temperature programizations in each first, second and third pixel region on first dielectric layer respectively, because the manufacturing process of the relevant Organic Light Emitting Diode of this part should be those skilled in the art and knows, so do not repeat them here, below only just the present invention be different from the prior art part and give further instruction.
As previously mentioned, an Organic Light Emitting Diode is by a bottom electrode, one organic luminous layer and a top electrode storehouse form, generally speaking, data-signal all sees through one and is positioned at the suitable big or small electric current of image element circuit (not shown) output on substrate 112 surfaces to bottom electrode, adjust the luminosity of this Organic Light Emitting Diode, and top electrode is a public electrode mostly, therefore, in the prior art, mostly the metal level or the transparency conducting layer that form whole piece are used as public electrode, and the present invention is making first, second and third Organic Light Emitting Diode 132a, when 132b and 132c, can be after finishing this public electrode (not shown), further with the public electrode patterning, to form a plurality of first public electrodes 122 respectively, second public electrode 124, the 3rd public electrode 128 and grounding electrode 126.Wherein first, second public electrode 122,124 is electrically connected to first, second lead 116,118 via previous formed each first contact hole respectively.In a preferred embodiment of the invention, the organic electroluminescence display panel 110 that is adopted is the luminous display floater that makes progress, therefore first, second and third public electrode 122,124 and 128 all is made of a transparency conducting layer, yet the present invention is not limited to this, also can use other material according to the demand of product instead as public electrode.
In addition, on the substrate 112 other is formed with a grounding electrode (ground electrode) 126, be electrically connected to each first, second and third public electrode 122,124 and 128, to form two heating circuit structures 130 (the first lead 116-, first public electrode 122-grounding electrode 126 and the second lead 118-, the second public electrode 124-grounding electrode 126) jointly with first, second lead 116,118.The function of grounding electrode 126 is to make this two heating circuits structure 130 when carrying out heating process, can keep the stable of voltage on each first, second public electrode 122,124, and can heat first, second Organic Light Emitting Diode 132a, 132b respectively with stable temperature.In fact, grounding electrode 128 also can be a public electrode that is electrically connected to other voltage, as long as can provide a stable voltage difference jointly with lead 116, gets final product so that utilize each transparent heater wire 124,126 to carry out heating process.In a preferred embodiment of the invention.First, second lead 116,118 is connected respectively to different external voltage sources, carry out this heating process with different electric currents, yet, also can each first, second Organic Light Emitting Diode 132a, 132b be heated same external voltage source suitably adjusting under the situation of first lead 116 and 118 resistance value differences of second lead.
It should be noted that, of the present invention each first, second and third Organic Light Emitting Diode 132a, 132b and 132c are for can come the Organic Light Emitting Diode of sequencing according to temperature, organic luminous layer wherein is under certain temperature condition, chemical change can be produced and its glow color can be changed, therefore can determine respectively first according to different temperature, second and third Organic Light Emitting Diode 132a, the glow color of 132b and 132c, and this chemical change is an irreversible chemical change, in other words, in case after determining an Organic Light Emitting Diode according to a predetermined temperature, its glow color will can not change once more.For instance, in case make an Organic Light Emitting Diode 132 produce red light output according to a predetermined temperature, this Organic Light Emitting Diode 132 will only can be exported ruddiness so.In a preferred embodiment of the invention, first of initial formation, second and third Organic Light Emitting Diode 132a, 132b and 132c are blue Organic Light Emitting Diode, therefore will only need pass through two heating circuit structures 130 subsequently, respectively each first Organic Light Emitting Diode 132a and each second Organic Light Emitting Diode 132b are heated, each first Organic Light Emitting Diode 132a and each second Organic Light Emitting Diode 132b can be defined as red Organic Light Emitting Diode and green organic light emitting diode (LED) respectively, to finish red pixel 138, the making of green pixel 136 and blue pixel 134, and constitute a colour element 140 by these three kinds of color pixel.
In addition, though more than be that example illustrates embodiments of the present invention with an organic electroluminescence display panel 110 with two heating circuit structures, yet the present invention is not limited to this, and can give suitable adjustment according to the demand of product, as long as each first Organic Light Emitting Diode 132a, the second Organic Light Emitting Diode 132b, the 3rd Organic Light Emitting Diode 132c can be specified to the Organic Light Emitting Diode of different colours.Please refer to Fig. 4, Fig. 4 is the schematic diagram of an organic electroluminescence display panel 210 in the second embodiment of the invention.As shown in Figure 4, organic electroluminescence display panel 210 only includes a lead 216, and by lead 216, first public electrode 228, second public electrode 224 and a grounding electrode 226 common heating circuit structures 230 that form.In aforementioned first embodiment, use two leads to make the method for heating circuit structure, in the second embodiment of the present invention by suitably adjusting the difference of first public electrode 228 and 224 resistance values of second public electrode, make it can have different heating powers, so can reach identical result by plain conductor 216 with aforementioned first embodiment, define red pixel 238, green pixel 236 and blue pixel 234 by a heating process, finish the making of colour element 240.
What deserves to be mentioned is that each first, second and third public electrode 122,124 and 128 may have Any shape, and is not limited to the strip shown in the figure (stripe) structure.Include mosaic arrangement (Mosaic Type) owing to send the arrangement mode of the Organic Light Emitting Diode 132 of green glow, ruddiness, blue light, delta arrangement (Triangle Type) or striped arrangement (Stripe Type) etc., therefore first, second and third public electrode 122,124 and 128 also may be to present with broken line or other pattern.In fact, each first public electrode 122 needs only with each second public electrode 124 can form suitable heating circuit structure 130, and is covered in equably on each Organic Light Emitting Diode of desire heating, and the purpose that reaches even heating promptly is encompassed within the present invention.
Compare with prior art, organic electroluminescence display panel of the present invention utilizes the public electrode of patterning to form a heating circuit structure, and the Organic Light Emitting Diode that utilizes a heating processing will send ruddiness and green glow is again made.Thus, not only do not need to use filter, can avoid the problem of contraposition accuracy that aperture opening ratio is raised, do not need different colours again and different organic luminous layers is set, make technology keep oversimplifying, so can effectively improve the manufacturing cost that production capacity also significantly reduces organic electroluminescence display panel.
The above only is the preferred embodiments of the present invention, and all equivalences of doing according to the present patent application change and modify, and all should belong to the covering scope of the present patent application.
Claims (10)
1. organic electroluminescence display panel comprises:
One substrate, and definition has a plurality of first pixel regions, second pixel region and the 3rd pixel region on this substrate;
One first lead is formed on this substrate;
One second lead is formed on this substrate;
One first insulating barrier is formed on this substrate, is covered on this first lead and this second lead, includes a plurality of first contact holes that expose this first lead and this second lead respectively within this first insulating barrier;
A plurality of first Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in this first pixel region, those first Organic Light Emitting Diodes have at least one first public electrode, and respectively this first public electrode is electrically connected on this first lead via this first contact hole respectively;
A plurality of second Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in this second pixel region, those second Organic Light Emitting Diodes have at least one second public electrode, and respectively this second public electrode is electrically connected on this second lead via this first contact hole respectively;
A plurality of the 3rd Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in the 3rd pixel region;
One grounding electrode is formed on this substrate, is electrically connected on respectively this first public electrode and respectively this second public electrode;
Wherein those first Organic Light Emitting Diodes, second Organic Light Emitting Diode, the 3rd Organic Light Emitting Diode are programmable Organic Light Emitting Diode.
2. organic electroluminescence display panel as claimed in claim 1, wherein those the 3rd Organic Light Emitting Diodes have at least one the 3rd public electrode, and respectively the 3rd public electrode is electrically connected on this grounding electrode.
3. organic electroluminescence display panel organic electroluminescence display panel as claimed in claim 1, wherein this first lead and this second lead are electrically connected to an external power source respectively, to utilize those first public electrodes and those second public electrodes respectively those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes to be heated, to determine the glow color of those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes.
4. organic electroluminescence display panel as claimed in claim 1, wherein those first public electrodes are determined corresponding those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes according to different temperature respectively with those second public electrodes, so that be positioned at this first pixel region respectively, respectively this second pixel region and the light of those Organic Light Emitting Diodes generation different colours of the 3rd pixel region respectively.
5. organic electroluminescence display panel as claimed in claim 4, wherein respectively this first Organic Light Emitting Diode is defined as a ruddiness Organic Light Emitting Diode by this first public electrode respectively, respectively this second Organic Light Emitting Diode is defined as a green glow Organic Light Emitting Diode by this second public electrode respectively, and respectively the 3rd Organic Light Emitting Diode then is a blue light Organic Light Emitting Diode.
6. organic electroluminescence display panel as claimed in claim 1, wherein this organic electroluminescence display panel comprises a plurality of image element circuits in addition, be located at respectively in those pixel regions, respectively this image element circuit comprises a plurality of thin-film transistors, to control the respectively luminosity of this Organic Light Emitting Diode.
7. organic electroluminescence display panel, it comprises:
One substrate, and definition a plurality of first pixel regions, second pixel region and the 3rd pixel region on this substrate;
One lead is formed on this substrate;
One first insulating barrier is formed on this substrate, is covered on this lead, comprises a plurality of contact holes that expose this lead respectively within this first insulating barrier;
A plurality of first Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in this first pixel region, those first Organic Light Emitting Diodes have at least one first public electrode, and respectively this first public electrode is electrically connected on this lead via this contact hole respectively;
A plurality of second Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in this second pixel region, those second Organic Light Emitting Diodes have at least one second public electrode, and respectively this second public electrode is electrically connected on this lead via this contact hole respectively;
A plurality of the 3rd Organic Light Emitting Diodes are formed on this first insulating barrier, lay respectively at respectively in the 3rd pixel region, and those the 3rd have the machine optical diode of sending out to have at least one the 3rd public electrode;
One grounding electrode is located on this substrate, is electrically connected on respectively this first public electrode, respectively this second public electrode and the 3rd public electrode respectively;
Wherein those first Organic Light Emitting Diodes, second Organic Light Emitting Diode, the 3rd Organic Light Emitting Diode are programmable Organic Light Emitting Diode.
8. organic electroluminescence display panel as claimed in claim 8, wherein this lead is electrically connected to an external power source, to utilize those first public electrodes and those second public electrodes respectively those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes to be heated, to determine the glow color of those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes.
9. organic electroluminescence display panel as claimed in claim 8, wherein those first public electrodes have different resistance values respectively with those second public electrodes, to determine corresponding those first Organic Light Emitting Diodes and those second Organic Light Emitting Diodes according to different temperature respectively, to make to be positioned at this first pixel region respectively, respectively this second pixel region and the light of those Organic Light Emitting Diodes generation different colours of the 3rd pixel region respectively.
10. organic electroluminescence display panel as claimed in claim 9, wherein respectively this first Organic Light Emitting Diode is defined as a ruddiness Organic Light Emitting Diode by this first public electrode respectively, respectively this second Organic Light Emitting Diode is defined as a green glow Organic Light Emitting Diode by this second public electrode respectively, and respectively the 3rd Organic Light Emitting Diode then is a blue light Organic Light Emitting Diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101029757A CN1612654A (en) | 2003-10-31 | 2003-10-31 | Organic light-emitting display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101029757A CN1612654A (en) | 2003-10-31 | 2003-10-31 | Organic light-emitting display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1612654A true CN1612654A (en) | 2005-05-04 |
Family
ID=34756487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101029757A Pending CN1612654A (en) | 2003-10-31 | 2003-10-31 | Organic light-emitting display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1612654A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688643B (en) * | 2007-07-04 | 2013-02-13 | 旭硝子欧洲玻璃公司 | LED light panel |
| US20150214281A1 (en) * | 2014-01-28 | 2015-07-30 | Universal Display Corporation | Oleds for use in nvis capable devices |
-
2003
- 2003-10-31 CN CNA2003101029757A patent/CN1612654A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688643B (en) * | 2007-07-04 | 2013-02-13 | 旭硝子欧洲玻璃公司 | LED light panel |
| US20150214281A1 (en) * | 2014-01-28 | 2015-07-30 | Universal Display Corporation | Oleds for use in nvis capable devices |
| US9165984B2 (en) * | 2014-01-28 | 2015-10-20 | Universal Display Corporation | OLEDs for use in NVIS capable devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10276641B2 (en) | Display panel and display device | |
| US9214501B2 (en) | In-cell OLED touch display panel structure | |
| CN1839478A (en) | OLED device having microcavity gamut subpixels | |
| CN1816228A (en) | Active light-emitting element and active light-emitting displaying device | |
| CN103325318B (en) | Display base plate and display device | |
| CN103715231A (en) | Organic light emitting display panel and display device | |
| CN1454030A (en) | Organic electroluminescent display device | |
| CN1670981A (en) | OLED and display panel and communication device comprising the same | |
| CN1638581A (en) | Display device and method and apparatus for manufacturing display device | |
| US20190165317A1 (en) | Display unit, method for manufacturing the same and array substrate | |
| CN203631557U (en) | An organic light-emitting display panel and a display apparatus | |
| CN110972495A (en) | Light-emitting driving substrate, manufacturing method thereof, light-emitting substrate and display device | |
| CN105185815A (en) | OLED display device and electronic device | |
| CN101047199A (en) | Organic electroluminescent display device and fabrication methods thereof | |
| CN103022049A (en) | Array substrate, manufacture method of array substrate and display device | |
| CN101257035B (en) | Organic electroluminescence display device with top luminous | |
| CN1784096A (en) | Method for manufacturing electro-optic element and electro-optic device | |
| CN104681736A (en) | OLED (Organic Light Emitting Diode) unit, manufacturing method of OLED unit and display panel | |
| CN1640201A (en) | Organic electroluminescence display and its manufacturing method | |
| CN105742332A (en) | Electroluminescent display device and fabrication method thereof | |
| CN1666354A (en) | Electroluminescent device with a transparent cathode | |
| CN104752617A (en) | Passive organic electroluminescent device and manufacturing method thereof | |
| JP7071992B2 (en) | Organic light emitting diode display screens and electronic devices | |
| CN1674741A (en) | Organic electro-luminescence device and fabricating method thereof | |
| CN1612654A (en) | Organic light-emitting display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |