WO2015024321A1 - 避免有机发光二极管显示设备中金属线路短路的方法 - Google Patents
避免有机发光二极管显示设备中金属线路短路的方法 Download PDFInfo
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- WO2015024321A1 WO2015024321A1 PCT/CN2013/088056 CN2013088056W WO2015024321A1 WO 2015024321 A1 WO2015024321 A1 WO 2015024321A1 CN 2013088056 W CN2013088056 W CN 2013088056W WO 2015024321 A1 WO2015024321 A1 WO 2015024321A1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
- H10D86/443—Interconnections, e.g. scanning lines adapted for preventing breakage, peeling or short circuiting
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
-
- 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
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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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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/341—Short-circuit prevention
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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
- H10K59/1201—Manufacture or treatment
Definitions
- the present invention relates to the field of organic light emitting diode display devices, and more particularly to a method for avoiding short circuit of metal lines in an organic light emitting diode display device.
- OLED Organic Light Emitting Diode
- FIG. 1 is a top view of a part of a component layout of an organic light emitting diode display device in the prior art
- FIG. 2 is a cross-sectional view of FIG. 1 along a line AA'.
- the process of manufacturing the organic light emitting diode display device is to first manufacture a plurality of thin film transistors on a substrate (not shown) as a switching element, and then fabricate an organic light emitting diode as a light emitting element.
- the main steps of manufacturing the thin film transistor and the organic light emitting diode include first forming a gate layer (not shown) and a semiconductor layer (not shown) on the substrate (not shown), and then forming an inorganic layer 100, A metal layer is then formed on the inorganic layer 100, the metal layer comprising metal lines 102, 104 for respectively transmitting separate signals, that is, for transmitting different signals, followed by the metal lines 102, 104.
- ITO Indium Tin Oxide
- the indium tin oxide layer 108 after depositing the indium tin oxide layer 108 and forming a photoresist layer (not shown) in the indium tin oxide layer 108, due to the organic layer 106 The thickness is too thick, and when the exposure step is performed, the bottom of the indium tin oxide layer 108 is blocked by the top of the organic layer 106 and the light is not illuminated, that is, the organic layer 106 has a shadow effect, so After the etching step is performed and the photoresist layer (not shown) is removed, as shown in FIG. 2, the indium tin oxide layer 108 remains, which in turn causes the metal lines 102, 104 of FIG. 1 to be short-circuited.
- a method for avoiding short circuit of a metal line in an organic light emitting diode display device provided by the present invention includes:
- the width of the transparent region of the cover is the resolution of the reticle, and the width of the opaque material is smaller than the width of the transparent region of the reticle;
- the method includes:
- the remaining portion of the photoresist layer is stripped.
- the width of the light-impermeable material is less than 2 micrometers.
- the width of the light-impermeable material is from 1 micrometer to 2 micrometers.
- the two metal lines serve as a source.
- the two metal lines serve as a drain.
- the organic layer covers at least a portion of the two metal lines.
- the two metal lines are formed by a wet etching method.
- a method for avoiding short circuit of a metal line in an organic light emitting diode display device includes:
- the method includes:
- the remaining portion of the photoresist layer is stripped.
- the width of the light-impermeable material is less than 2 micrometers.
- the width of the light-impermeable material is from 1 micrometer to 2 micrometers.
- the two metal lines serve as a source.
- the two metal lines serve as a drain.
- the organic layer covers at least a portion of the two metal lines.
- the two metal lines are formed by a wet etching method.
- the method for avoiding short circuit of a metal line in an organic light emitting diode display device of the present invention is provided by providing an opaque material, and the width of the opaque material is smaller than the transparent region of the reticle The width is such that the thickness of the organic layer can be reduced when the etching step is performed, so that the indium tin oxide layer can be completely etched without remaining, thereby avoiding a short circuit between the two metal lines.
- FIG. 1 is a top view of a part of a component layout of an organic light emitting diode display device in the prior art
- Figure 2 is a cross-sectional view of Figure 1 taken along line AA';
- FIG. 3 is a flow chart of a method for avoiding short circuit of a metal line in an organic light emitting diode display device according to an embodiment of the invention
- FIG. 4 is a top plan view showing a partial component layout of an organic light emitting diode display device according to an embodiment of the present invention
- Figure 5 is a top view of Figure 4 after use of the method of the present invention.
- Figure 6 is a cross-sectional view of Figure 5 taken along line BB'.
- FIG. 3 is a flow chart of a method for avoiding short circuit of a metal line in an organic light emitting diode display device according to an embodiment of the invention.
- 4 is a top view of a partial component layout of an organic light emitting diode display device according to an embodiment of the present invention
- FIG. 5 is a top view of FIG. 4 after using the method of the present invention.
- Figure 6 is a cross-sectional view of Figure 5 taken along line BB'.
- step S300 a substrate 410 is provided.
- Step S302 forming a gate layer (not shown) and a semiconductor layer (not shown) on the substrate 410.
- Step S304 forming an inorganic layer 400 on the substrate 410. It is to be noted that a region formed on the substrate 410 of the inorganic layer 400 is different from a region where the gate layer (not shown) and the semiconductor layer (not shown) are formed on the substrate 410. .
- Step S306 forming a metal layer on the inorganic layer 400, the metal layer including at least two metal lines 402, 404 as a source or a drain, respectively for transmitting independent signals, that is, respectively for transmitting different signal of.
- the two metal lines 402, 404 are formed, for example but not limited to, by a wet etching process.
- the organic layer 406 covers at least a portion of the metal lines 402, 404.
- the organic layer 406 and the inorganic layer 400 are used as an insulating layer, which has a planarization function to improve the quality when the organic light emitting diode is subsequently manufactured.
- Step S310 forming an indium tin oxide layer on the organic layer 406 (Indium Tin Oxide; ITO) 408, the indium tin oxide layer 408 is used as an anode of an organic light emitting diode.
- ITO Indium Tin Oxide
- the position of the organic light emitting diode is formed in the light emitting region (not shown) of the substrate 410, and the thin film transistor region is shown in FIGS. 4 and 5, so the indium tin oxide layer 408 (as The anode of the organic light emitting diode only needs to be formed in the light emitting region (not shown), and the thin film transistor region shown in FIGS. 4 and 5 does not require the indium tin oxide layer 408, so the photo in the thin film transistor region must be The indium tin oxide layer 408 is removed.
- step S310 a photoresist layer (not shown) is applied.
- Step S312 exposing the photoresist layer (not shown) to a position between the metal lines 402 and 404 by a mask (not shown).
- a light-transmitting region C wherein the light-transmitting region C is provided with an opaque material 420, and the width W1 of the opaque material 420 is smaller than the width W2 of the light-transmitting region C of the reticle.
- the width W2 of the light region C is the resolution of the mask (not shown), that is, the resolution of an exposure machine.
- the light-transmitting region C and the light-impermeable material 420 correspond to a portion of the inorganic layer 400 and a portion of the organic layer.
- the resolution is 2.5 micrometers ( ⁇ m), so the width W1 of the opaque material 420 should be designed to be larger than 0 micrometers and less than 2 micrometers.
- the The width W1 of the light transmissive material 420 is preferably from 1 micrometer to 2 micrometers.
- step S314 the photoresist layer (not shown) is developed.
- Step S316 etching to remove the indium tin oxide layer 408 and a portion of the organic layer 406. Since the width W1 of the opaque material 420 is smaller than the width W2 of the transparent region C, after the etching step, the organic layer 406 corresponds to the transparent region C and the opaque material 420. The area between the persons is removed, the removed portion is the dotted line area of FIG. 6, and the area of the organic layer 406 corresponding to the opaque material 420 is not removed.
- the thickness of the organic layer 406 at the interface with the inorganic layer 400 is reduced (ie, the whisker region is removed), the shadowing effect of the organic layer 406 can be eliminated, the oxidation
- the indium tin layer 408 is not completely removed due to lack of light, so that the indium tin oxide layer 408 is not left at the interface between the inorganic layer 400 and the organic layer 406, thereby avoiding the arrangement of FIG. A short circuit occurs between the metal lines 402 and 404.
- Step S31 peeling off the remaining portion of the photoresist layer.
- step S320 a light-emitting layer (not shown) and a cathode (not shown) are sequentially formed on the indium tin oxide layer of the light-emitting region (not shown) to complete the manufacture of the organic light-emitting diode.
- the present invention sets the opaque material 420, and the width W1 of the opaque material 420 is smaller than the width W2 of the light-transmitting region C of the reticle (step S314), so that etching is performed to remove the indium oxide
- the thickness of the organic layer 406 can be reduced as shown in FIG. 6, so that the indium tin oxide layer 408 can be completely etched without remaining. A situation in which a short circuit occurs between the metal lines 402, 404 of FIG. 4 can be avoided.
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Abstract
Description
Claims (16)
- 一种避免有机发光二极管显示设备中金属线路短路的方法,包括:在一基板上形成一无机层;在所述无机层上形成一金属层,所述金属层包括两条金属线路;在所述金属层的所述两条金属线路上形成一有机层;在所述有机层上形成一氧化铟锡层;涂布一光阻层;以一光罩对所述光阻层进行曝光,所述光罩对应所述两条金属线路之间的位置具有一透光区域,所述透光区域内设置一不透光材,所述光罩的所述透光区域的宽度为所述光罩的分辨率,所述不透光材的宽度小于所述光罩的所述透光区域的宽度;对所述光阻层进行显影;以及蚀刻以移除所述氧化铟锡层以及所述有机层的一部分。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中在蚀刻以移除所述氧化铟锡层以及所述有机层的所述部分的步骤之后包括:剥离所述光阻层的剩余部分。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述不透光材的宽度为小于2微米。
- 根据权利要求3所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述不透光材的宽度为1微米至2微米。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路作为源极。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路作为汲极。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述有机层至少覆盖所述两条金属线路的一部分。
- 根据权利要求1所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路以湿蚀刻方法形成。
- 一种避免有机发光二极管显示设备中金属线路短路的方法,包括:在一基板上形成一无机层;在所述无机层上形成一金属层,所述金属层包括两条金属线路;在所述金属层的所述两条金属线路上形成一有机层;在所述有机层上形成一氧化铟锡层;涂布一光阻层;以一光罩对所述光阻层进行曝光,所述光罩对应所述两条金属线路之间的位置具有一透光区域,所述透光区域内设置一不透光材,所述不透光材的宽度小于所述光罩的所述透光区域的宽度;对所述光阻层进行显影;以及蚀刻以移除所述氧化铟锡层以及所述有机层的一部分。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中在蚀刻以移除所述氧化铟锡层以及所述有机层的所述部分的步骤之后包括:剥离所述光阻层的剩余部分。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述不透光材的宽度为小于2微米。
- 根据权利要求11所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述不透光材的宽度为1微米至2微米。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路作为源极。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路作为汲极。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述有机层至少覆盖所述两条金属线路的一部分。
- 根据权利要求9所述的避免有机发光二极管显示设备中金属线路短路的方法,其中所述两条金属线路以湿蚀刻方法形成。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016532197A JP6096390B2 (ja) | 2013-08-19 | 2013-11-28 | 有機発光ダイオード表示装置における金属配線のショートを回避する方法 |
| US14/129,992 US9076992B2 (en) | 2013-08-19 | 2013-11-28 | Method for preventing short circuit between metal wires in organic light emitting diode display device |
| EA201690385A EA031170B9 (ru) | 2013-08-19 | 2013-11-28 | Способ предотвращения короткого замыкания между металлическими дорожками в дисплее на органических светодиодах |
| GB1603702.0A GB2534055B (en) | 2013-08-19 | 2013-11-28 | Method for preventing short circuit between two metal wires in organic light emitting diode display device |
| KR1020167004497A KR101790104B1 (ko) | 2013-08-19 | 2013-11-28 | 유기발광 표시장치의 금속 배선들 간 단락 방지 방법 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310361689.6A CN103426820B (zh) | 2013-08-19 | 2013-08-19 | 避免有机发光二极管显示设备中金属线路短路的方法 |
| CN201310361689.6 | 2013-08-19 |
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| Publication Number | Publication Date |
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| WO2015024321A1 true WO2015024321A1 (zh) | 2015-02-26 |
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| PCT/CN2013/088056 Ceased WO2015024321A1 (zh) | 2013-08-19 | 2013-11-28 | 避免有机发光二极管显示设备中金属线路短路的方法 |
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| Country | Link |
|---|---|
| US (1) | US9076992B2 (zh) |
| JP (1) | JP6096390B2 (zh) |
| KR (1) | KR101790104B1 (zh) |
| CN (1) | CN103426820B (zh) |
| EA (1) | EA031170B9 (zh) |
| GB (1) | GB2534055B (zh) |
| WO (1) | WO2015024321A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103441099B (zh) * | 2013-08-19 | 2015-04-22 | 深圳市华星光电技术有限公司 | 避免有机发光二极管显示设备中金属线路短路的方法 |
| CN104868224B (zh) * | 2014-02-21 | 2018-07-06 | 联想(北京)有限公司 | 一种电子设备 |
| CN108701719A (zh) * | 2016-02-22 | 2018-10-23 | 夏普株式会社 | 半导体装置和半导体装置的制造方法 |
| JP7220320B2 (ja) * | 2017-10-30 | 2023-02-09 | 株式会社ジャパンディスプレイ | 半導体装置 |
| CN111430435B (zh) * | 2020-04-15 | 2022-12-06 | 京东方科技集团股份有限公司 | 显示面板、显示装置以及显示面板的制造方法 |
| CN112635493B (zh) * | 2020-12-21 | 2022-09-20 | 昆山国显光电有限公司 | 显示面板的制备方法、显示面板和显示装置 |
| CN118843939A (zh) * | 2023-02-21 | 2024-10-25 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
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| KR101212225B1 (ko) * | 2010-05-06 | 2012-12-13 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
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- 2013-08-19 CN CN201310361689.6A patent/CN103426820B/zh active Active
- 2013-11-28 US US14/129,992 patent/US9076992B2/en active Active
- 2013-11-28 EA EA201690385A patent/EA031170B9/ru not_active IP Right Cessation
- 2013-11-28 KR KR1020167004497A patent/KR101790104B1/ko active Active
- 2013-11-28 GB GB1603702.0A patent/GB2534055B/en active Active
- 2013-11-28 WO PCT/CN2013/088056 patent/WO2015024321A1/zh not_active Ceased
- 2013-11-28 JP JP2016532197A patent/JP6096390B2/ja active Active
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| US20070159080A1 (en) * | 2002-11-22 | 2007-07-12 | Luxell Technologies, Inc. | Transparent-cathode for top-emission organic light-emitting diodes |
| CN102034935A (zh) * | 2010-09-27 | 2011-04-27 | 南京邮电大学 | 高对比度顶发光型有机发光二极管 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016527692A (ja) | 2016-09-08 |
| CN103426820B (zh) | 2015-04-22 |
| GB2534055A (en) | 2016-07-13 |
| EA031170B9 (ru) | 2019-03-29 |
| KR20160034381A (ko) | 2016-03-29 |
| US20150140714A1 (en) | 2015-05-21 |
| JP6096390B2 (ja) | 2017-03-15 |
| US9076992B2 (en) | 2015-07-07 |
| GB201603702D0 (en) | 2016-04-20 |
| EA031170B1 (ru) | 2018-11-30 |
| GB2534055B (en) | 2019-01-02 |
| CN103426820A (zh) | 2013-12-04 |
| KR101790104B1 (ko) | 2017-10-25 |
| EA201690385A1 (ru) | 2016-07-29 |
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