WO2004093500A1 - 有機el表示装置 - Google Patents
有機el表示装置 Download PDFInfo
- Publication number
- WO2004093500A1 WO2004093500A1 PCT/JP2003/004776 JP0304776W WO2004093500A1 WO 2004093500 A1 WO2004093500 A1 WO 2004093500A1 JP 0304776 W JP0304776 W JP 0304776W WO 2004093500 A1 WO2004093500 A1 WO 2004093500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- organic
- insulating film
- display device
- forming
- layer
- Prior art date
Links
- 239000010408 film Substances 0.000 claims abstract description 88
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000010409 thin film Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 206010034972 Photosensitivity reaction Diseases 0.000 claims description 3
- 230000036211 photosensitivity Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 238000000151 deposition Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000001771 vacuum deposition Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- 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
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
-
- 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
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Definitions
- the present invention generally relates to a flat panel display, and more particularly to a flat panel display using an organic EL element.
- Organic EL (Electro-Metal Luminescence) devices are organic light-emitting devices that have an organic EL light-emitting layer sandwiched between an electron transport layer and a hole transport layer. They are small, lightweight, low power consumption, and emit light with a wide viewing angle. It is considered to be a promising element as a type display element.
- FIG. 1 shows an example of an active matrix type flat panel display device 10 using an organic EL element.
- the flat panel display 10 is a bottom emission type configured on a transparent glass substrate 11, and includes a TFT 1 formed on the glass substrate 11 via a buffer layer 12. Including 3.
- the TFT 13 is made of polysilicon or amorphous silicon and has a silicon pattern 13 A on which a source diffusion region 13 s and a drain diffusion region 13 d are formed, and of the silicon pattern 13 A, the source diffusion region 1 Janneno between 3 s and drain diffusion region 1 3 d ⁇ !
- a gate insulating film 1 3 B which covers the range 1 3 c, further formed on the gate insulating film 1 3 on B becomes the gate electrodes 1 3 C constituting the scan bus line, the TFT 1 3 is S i 0 2 Covered with a CVD insulating film 14.
- the CVD insulating film 14 has contact holes 14A and 14B exposing the source region 13s and the drain region 13d, respectively.
- An electrode 15A that contacts the source region 13s is formed on the contact horn 14A, and an electrode 15B that contacts the drain region 13d is formed on the contact horn 14B.
- the electrode 15A extends on the insulating film 14 and forms a data bus line.
- a planarizing insulating film 16 is formed so as to cover the electrodes 15A and 15B.
- the electrode 15B is formed in the insulating film 16.
- the lower electrode 17A made of a transparent conductor such as ITO, the organic EL layer 18 formed on the lower electrode 17A, and the organic EL layer 18 on the lower electrode 17A.
- the organic EL layer 18 has a configuration in which an organic EL light emitting layer is sandwiched between an electron transport layer and a hole transport layer, and is driven by the TFT 13 to emit light of a predetermined color.
- the generated light emission is emitted downward through the glass substrate 11.
- 2A to 2C show a manufacturing process of the flat panel display 10.
- the on the glass substrate 1 1 is formed with a TFT 13 13 3 of multiple corresponding to the number of display pixels, the planarization insulating film 16 is all of these T FT It is formed to cover.
- FIG. 2 A process on the surface of the flat Kaze' Enmaku 16 is formed with a lower electrode 17! ⁇ 17 3 corresponding to said TFT 13! To 13 3, on the lower electrode 171 Using the mask pattern M having the mask opening A as a mask, an organic EL layer 18i that emits red (R) light is formed by vacuum evaporation or the like.
- the opening A is moved to a position exposing the lower electrode 17 2, by performing the vacuum deposition through the mask pattern M, the lower electrode 1 the organic EL layer 1 8 2 which emits light of green (G) is formed on the 7 2.
- the mask pattern M is moved to a position where the opening A exposes the lower electrode 173, and vacuum deposition is performed through the mask pattern M to form the lower electrode 17 3 Organic EL that emits blue (B) light on top Layer 18 3 is formed.
- a mask pattern M is formed on the organic EL layer 18 1 8 3 Due to physical contact with the substrate, the formed very thin organic EL layer is easily damaged, and the problem that the production yield of the flat panel display device is apt to be lowered occurs. Also, the mask pattern M may be damaged by such physical contact with the organic EL layer, but if the mask pattern M is damaged, the defect due to the damage is transferred to all pixels to be formed thereafter. Will be.
- the mask pattern M is can damage it in contact with the lower electrode 1 7 2 and 1 7 3.
- Japanese Patent Application Laid-Open No. 8-315981 discloses that a partition wall defining a pixel area is formed on a substrate, and an organic EL layer is formed in the pixel area by vacuum deposition or the like. In this case, a configuration is described in which a vapor deposition mask is engaged with such a partition.
- FIG. 3 shows a conventional configuration described in the above-mentioned Japanese Patent Application Laid-Open No. 8-315981.
- a stripe-shaped lower electrode 22 is repeatedly formed on a glass substrate 21. Further, on the lower electrode 22 a partition 23 having an inverted trapezoidal cross section is formed. The stripe electrodes 22 are repeatedly formed in a direction perpendicular to the extending direction.
- the organic EL layer 24 is formed on the lower electrode 22 by performing vacuum vapor deposition with the vapor deposition mask M having the opening A engaged with the partition wall 23.
- formation of such a partition wall requires complicated and extra steps such as deposition and patterning of an insulating layer, and causes a problem that the manufacturing cost of the formed flat display device increases.
- the flat display device is a simple matrix drive type device using a strip-shaped lower electrode pattern and an upper electrode pattern which are orthogonal to each other, and such a configuration is shown in FIG.
- Patent Document 1 Japanese Patent Application Laid-Open No. Hei 8-3 15981
- Patent Document 2 Japanese Patent Application Laid-Open No. H10-18992 52
- Patent Document 3 Japanese Patent Application Laid-Open No. 2000-35056 711 Disclosure of the Invention
- a more specific object of the present invention is to provide a method for manufacturing an organic EL display device which can manufacture an organic EL flat display device simply and with good yield.
- Another object of the present invention is to
- a thin film transistor formed on the substrate is a thin film transistor formed on the substrate.
- the insulating film has a concave portion
- the organic EL device is to provide an organic EL display device formed in the concave portion so as to be connected to the thin film transistor via a contact hole formed in the insulating film.
- Another object of the present invention is to
- the step of forming the organic EL element is performed by using a mask pattern formed on a surface of the insulating film as a mask, and a method for manufacturing an organic EL display device.
- the organic EL element forms a concave portion corresponding to the pixel region in the insulating film covering the thin film transistor, and forms the organic EL layer in the powerful concave portion, thereby forming the lower electrode or the organic EL layer.
- Physical contact between the deposition mask and the formed lower electrode or organic EL layer at the time of formation is avoided, and it is possible to improve the manufacturing yield of the active matrix drive type organic EL display device.
- Figure 1 is a diagram showing the basic configuration of an active matrix organic EL flat panel display device driven by a TFT
- FIGS. 2A to 2C are diagrams showing a manufacturing process of the organic EL flat display device of FIG. 1;
- FIG. 3 is a diagram showing a manufacturing process of a conventional organic EL flat display device;
- FIGS. 4A to 4G are views showing a manufacturing process of the organic EL flat panel display according to the first embodiment of the present invention.
- FIG. 5 is a diagram showing an appearance of an organic EL flat panel display according to a first embodiment of the present invention
- FIG. 6 is a diagram showing a modification of the organic EL flat panel display of FIG. 5;
- FIG. 7 is a view showing a configuration of an organic EL flat panel display according to a second embodiment of the present invention
- FIG. 8 is a view showing a manufacturing process of the organic EL flat panel display according to a third embodiment of the present invention.
- FIG. 4A to 4G show a manufacturing process of the organic EL flat display device 20 according to the first embodiment of the present invention.
- the parts described above are denoted by the corresponding reference numerals, and description thereof is omitted.
- a TFT 13 is formed on a glass substrate 11 via a buffer layer 12 such as a SiO 2 film, and the TFT 13 is formed by a low-temperature process such as plasma CVD. Covered by the CVD insulating film 14.
- a photosensitive planarizing film 26 made of an acrylic resin or a resist film is typically formed on the CVD insulating film 14 by a coating method, for example, by 2 to 3 / xm Formed to a thickness of The flattening film 26 thus formed has a flat surface.
- an optical mask 31 carrying an opaque pattern 31A is used.
- the flattening film 26 is exposed to ultraviolet light.
- the flattening film 26 is subjected to a pre-bake treatment at a temperature of 80 ° C., and the exposure step includes an exposure light source such as a mercury lamp having a wavelength of 400 nm.
- the exposure dose is set, for example, to a value of 200 mj Z cm 2 so that the entire film 26 in the thickness direction is not exposed.
- a Dfl portion corresponding to the optical window portion 31B defined by the opaque pattern 31A is formed in the flattening film 26.
- 26 ⁇ is typically formed at a depth of 0.1 to 0.5 ⁇ .
- the recess 26 thus formed corresponds to one of a number of pixel regions formed in a matrix on the substrate 11, and the flattening film 26 is formed on the bottom surface of the recess 26 A. Is composed.
- the structure of FIG. 4A is further subjected to an exposure process using an optical mask 32 having an opaque pattern 32A.
- the opaque pattern 32A defines an optical window 32B corresponding to the electrode 15B.
- the portion covering B is exposed. Further, the flattening film 26 exposed in this manner is developed, and finally, for example, a Boss beta treatment is performed at a temperature of 200 ° C. for 60 minutes, thereby obtaining the concave portion as shown in FIG. 4C. A structure is obtained in which a contact horn 26a exposing the electrode 15B is formed at the bottom of the 26A.
- the flattening film 26 is developed in the step of FIG. 4B to form the recess 26 A in the step of FIG. 4B.
- the exposure step of FIG. 4B is performed immediately after the exposure step of FIG. 4A, and that the development and post-beta processing are performed in the step of FIG. 4C.
- the recesses 2 6 Arufa ⁇ 2 6 C are respectively formed on the planarization layer 2 6 corresponds to TF ⁇ 1 3 1 ⁇ 1 3 3 shown in FIG. 4 E, the recesses 2 6 Arufa ⁇ At the bottom of the 2 6 C, TFT 1 to the lower electrode 1 ⁇ l 7 3 forces respectively ⁇ including, for example, ITO It is formed electrically connected to 3 ⁇ 1 3 3 .
- the lower electrode 17 1 corresponds to the red pixel region
- the lower electrode 172 corresponds to the green pixel region
- a vapor deposition mask M having an opening A is further engaged with the flattening film 26 having the concave portions 26A to 26C formed thereon, as shown in FIGS. 4E and 4F.
- the vapor deposition mask M is moved from the one concave portion, for example, the concave portion 26A, to another concave portion, for example, the concave portion 26B on the flattening film 26, and the vacuum deposition is performed through the mask M each time.
- the vapor deposition mask M engages with the stepped portion surrounding the concave portion 26A, 26B or 26C on the flattening film 26.
- the deposition mask M is removed, and a metal film such as A1 is uniformly deposited to form the upper electrode 19.
- the formation of the recesses 26A to 26C enabling the avoidance of contact between the vapor deposition mask M and the organic EL layer or the lower electrode can be achieved simply by covering the TFT. Since it is realized by partial exposure and development of the dangling film 26, there is no need to separately form a partition structure or the like, and it is possible to manufacture an active matrix drive type organic EL flat display device very easily and with a high yield. Becomes possible.
- FIG. 5 shows a perspective view of the flat display device 20 formed in this manner.
- the concave portions 26A to 26C can be formed in a groove shape as shown in FIG. In this case, a large number of red light-emitting organic
- the L layer pattern 18 i is arranged, a number of green light emitting organic EL layer patterns 18 2 are arranged in the groove 26 B, and a number of blue light emitting organic EL layer patterns 18 3 are arranged in the groove 26 C. Will be arranged.
- FIG. 7 shows a configuration of an organic EL flat panel display device 40 according to a second embodiment of the present invention.
- a gate electrode 41 A made of amorphous silicon or polysilicon is formed on a buffer layer 12 covering the glass substrate 11, and the polysilicon gate electrode 41 is formed on the buffer layer 12.
- An insulating film 41B constituting a gate insulating film is formed so as to cover A.
- a semiconductor layer 41 C made of amorphous / kraftilicon or polysilicon is formed on the insulating film 41 B, and the semiconductor layer 41 C corresponds to the gate electrode 41 A.
- An insulating film pattern 41D is formed at the position.
- An impurity element is introduced into the semiconductor layer 41 C by ion implantation using the insulating film pattern 41 D as a mask, thereby forming a channel between the source region 41 s and the drain region 41 d and a force. It is formed in a state separated by W clam area 4 1 c.
- the semiconductor layer 41C is covered with the CVD insulating film 14 and a source electrode 1 is formed on the CVD insulating film 14 so as to contact the source region 41s and the drain region 41d.
- 5 A and drain electrode 15 B are formed via respective contact holes.
- the gate electrode 41A, the gate insulating film 41B, and the semiconductor film 41C constitute a TFT 41, and the TFT 41 is covered with a planarizing insulating film 26 as in the previous embodiment.
- a concave portion 26A is formed in the planarization insulating film 26 corresponding to the pixel region, and a contact hole 2 exposing the drain electrode 15B is formed in a part of the concave portion 26A. 6a is formed.
- a transparent electrode 17i made of ITO or the like is formed at the bottom of the concave portion 26A so as to contact the electrode 15B at the contact horn 26a.
- the electrode 17 1 is placed on the bottom of the concave portion 26 A, and the organic EL layer 18 i Covered by Further, an upper electrode 19 is formed on the organic EL layer 18i.
- an organic EL flat display device can be configured using TFT 41 in which the relationship between the gate electrode and the semiconductor layer is upside down from TFT 13 in the previous embodiment.
- FIG. 8 shows a manufacturing process of the organic EL flat panel display device 60 according to the third embodiment of the present invention.
- parts corresponding to the parts described above are denoted by the same reference numerals, and description thereof is omitted.
- FIG. 8 corresponds to the process of FIGS. 4A and 4B described above, but in this embodiment, instead of the photosensitive film 26 as the planarizing insulating film, ordinary plasma C VD—Si 0 2 Insulating film 16 that does not have photosensitivity is used.
- a resist pattern R is formed on the insulating film 16 and the insulating film 16 is wet-etched using the resist pattern R as a mask, so that the insulating film 16 is formed in the insulating film 16.
- a recess 16A is formed.
- the insulating film 16 does not need to be a coating film, and it is desirable, but not necessary, that the insulating film 16 be a flat film characterized by a flat surface.
- a coating film such as an organic SOG film or an organic insulating film as the insulating film 16.
- the organic EL element has a pixel region in the insulating film covering the thin film transistor.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003227505A AU2003227505A1 (en) | 2003-04-15 | 2003-04-15 | Organic el display |
CNB038238934A CN100440530C (zh) | 2003-04-15 | 2003-04-15 | 有机el显示装置 |
EP03717593A EP1615473A4 (en) | 2003-04-15 | 2003-04-15 | EL ORGANIC DISPLAY |
JP2004570877A JP4322814B2 (ja) | 2003-04-15 | 2003-04-15 | 有機el表示装置の製造方法 |
PCT/JP2003/004776 WO2004093500A1 (ja) | 2003-04-15 | 2003-04-15 | 有機el表示装置 |
US11/086,735 US20050162080A1 (en) | 2003-04-15 | 2005-03-22 | Organic electroluminescence display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/004776 WO2004093500A1 (ja) | 2003-04-15 | 2003-04-15 | 有機el表示装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/086,735 Continuation US20050162080A1 (en) | 2003-04-15 | 2005-03-22 | Organic electroluminescence display apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004093500A1 true WO2004093500A1 (ja) | 2004-10-28 |
Family
ID=33193228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004776 WO2004093500A1 (ja) | 2003-04-15 | 2003-04-15 | 有機el表示装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050162080A1 (ja) |
EP (1) | EP1615473A4 (ja) |
JP (1) | JP4322814B2 (ja) |
CN (1) | CN100440530C (ja) |
AU (1) | AU2003227505A1 (ja) |
WO (1) | WO2004093500A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010161084A (ja) * | 2010-04-02 | 2010-07-22 | Casio Computer Co Ltd | 表示装置及び表示装置の製造方法 |
JP2010192450A (ja) * | 2010-04-02 | 2010-09-02 | Casio Computer Co Ltd | 表示装置及び表示装置の製造方法 |
Families Citing this family (11)
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---|---|---|---|---|
US7753751B2 (en) | 2004-09-29 | 2010-07-13 | Semiconductor Energy Laboratory Co., Ltd. | Method of fabricating the display device |
KR101100887B1 (ko) * | 2005-03-17 | 2012-01-02 | 삼성전자주식회사 | 박막 트랜지스터, 박막 트랜지스터 표시판 및 그 제조 방법 |
TWI460851B (zh) | 2005-10-17 | 2014-11-11 | Semiconductor Energy Lab | 半導體裝置及其製造方法 |
US8772774B2 (en) | 2007-12-14 | 2014-07-08 | E. I. Du Pont De Nemours And Company | Backplane structures for organic light emitting electronic devices using a TFT substrate |
TWI607670B (zh) | 2009-01-08 | 2017-12-01 | 半導體能源研究所股份有限公司 | 發光裝置及電子裝置 |
KR102516054B1 (ko) | 2015-11-13 | 2023-03-31 | 삼성디스플레이 주식회사 | 유기발광표시장치 및 유기발광표시장치의 제조 방법 |
KR102590011B1 (ko) * | 2016-08-31 | 2023-10-16 | 엘지디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 제조 방법 |
CN107068717A (zh) * | 2017-04-06 | 2017-08-18 | 惠科股份有限公司 | 显示面板及其制造方法 |
KR102412455B1 (ko) * | 2017-11-02 | 2022-06-24 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
CN109950296B (zh) * | 2019-04-10 | 2021-12-28 | 京东方科技集团股份有限公司 | 柔性显示面板及其制作方法 |
CN110610975B (zh) * | 2019-09-23 | 2022-04-08 | 京东方科技集团股份有限公司 | 显示基板及其制备方法、显示装置 |
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- 2003-04-15 JP JP2004570877A patent/JP4322814B2/ja not_active Expired - Lifetime
- 2003-04-15 CN CNB038238934A patent/CN100440530C/zh not_active Expired - Lifetime
- 2003-04-15 EP EP03717593A patent/EP1615473A4/en not_active Withdrawn
- 2003-04-15 AU AU2003227505A patent/AU2003227505A1/en not_active Abandoned
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2005
- 2005-03-22 US US11/086,735 patent/US20050162080A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010161084A (ja) * | 2010-04-02 | 2010-07-22 | Casio Computer Co Ltd | 表示装置及び表示装置の製造方法 |
JP2010192450A (ja) * | 2010-04-02 | 2010-09-02 | Casio Computer Co Ltd | 表示装置及び表示装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1689378A (zh) | 2005-10-26 |
CN100440530C (zh) | 2008-12-03 |
US20050162080A1 (en) | 2005-07-28 |
JPWO2004093500A1 (ja) | 2006-07-13 |
EP1615473A4 (en) | 2009-11-25 |
JP4322814B2 (ja) | 2009-09-02 |
EP1615473A1 (en) | 2006-01-11 |
AU2003227505A1 (en) | 2004-11-04 |
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