WO2013127229A1 - 薄膜晶体管及其制造方法、阵列基板、显示装置 - Google Patents
薄膜晶体管及其制造方法、阵列基板、显示装置 Download PDFInfo
- Publication number
- WO2013127229A1 WO2013127229A1 PCT/CN2012/086501 CN2012086501W WO2013127229A1 WO 2013127229 A1 WO2013127229 A1 WO 2013127229A1 CN 2012086501 W CN2012086501 W CN 2012086501W WO 2013127229 A1 WO2013127229 A1 WO 2013127229A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- thin film
- oxide semiconductor
- insulating layer
- photoresist
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 96
- 239000000758 substrate Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 70
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 72
- 229910052751 metal Inorganic materials 0.000 claims description 61
- 239000002184 metal Substances 0.000 claims description 61
- 230000004888 barrier function Effects 0.000 claims description 46
- 229920002120 photoresistant polymer Polymers 0.000 claims description 40
- 239000010408 film Substances 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 13
- 229910004205 SiNX Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004380 ashing Methods 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 175
- 238000010586 diagram Methods 0.000 description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000009832 plasma treatment Methods 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02244—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of a metallic layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1248—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66969—Multistep manufacturing processes of devices having semiconductor bodies not comprising group 14 or group 13/15 materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
Definitions
- Embodiments of the present invention relate to a thin film transistor, a method of fabricating the same, an array substrate, and a display device. Background technique
- TFT-LCD Thin Film Transistor Liquid Crystal Display
- the liquid crystal panels have higher carrier mobility.
- the oxide has become a trend in the industry, and when an oxide is used as a semiconductor, it is not necessary to modify a device or the like, and the compatibility with an existing device is very good, so that an oxide as a semiconductor material has a huge advantage in mass production.
- the etching liquid of the metal causes a certain damage to the oxide semiconductor, so that the oxide semiconductor of the channel region is destroyed, so that the performance of the thin film transistor is lowered.
- each layer of the thin film transistor is usually prepared layer by layer using a mask (mask lithography) process, and an etch barrier layer is formed over the semiconductor active layer to ensure the performance of the thin film transistor. . Therefore, it is necessary to add a mask process to the existing process.
- the cost and complexity of the mask process are high, and the more the application times, the higher the manufacturing cost, and the more difficult the product quality is guaranteed. Summary of the invention
- the thin film transistor and the manufacturing method thereof, the array substrate and the display device provided by the invention are used for simplifying the manufacturing process, reducing the manufacturing cost and improving the product yield.
- An aspect of the invention provides a method of fabricating a thin film transistor, including:
- Forming a gate on the substrate Forming a gate insulating layer on the gate and the substrate;
- An oxide semiconductor active layer, an etch barrier layer, and source/drain electrodes are formed on the gate insulating layer; wherein the etch barrier layer is obtained by an oxidation process.
- Another aspect of the present invention provides a thin film transistor fabricated by the above method.
- an array substrate and a display device comprising: the thin film transistor fabricated by the above method.
- the oxide semiconductor active layer and the etch barrier layer are formed by one mask process.
- the oxide semiconductor active layer, the etch barrier layer, and the source/drain electrodes are formed by a single mask process.
- a further aspect of the present invention provides a thin film transistor comprising: a substrate; a gate and a gate insulating layer on the substrate; an oxide semiconductor active layer on the gate insulating layer; and a barrier on the active layer of the oxide semiconductor a layer; a source/drain electrode on the oxide semiconductor active layer and on both sides of the barrier layer, wherein the barrier layer is obtained by an oxidation process.
- the barrier layer includes the same metal element as the source/drain electrodes.
- the first insulating layer is on the gate insulating layer
- the oxide semiconductor active layer is on the first insulating layer.
- FIG. 1 is a schematic flow chart of a method for fabricating a thin film transistor according to an embodiment of the present invention
- FIG. 2 to FIG. 9 are schematic diagrams showing a structure of a method for fabricating a thin film transistor according to an embodiment of the present invention
- FIG. 10 to FIG. 16 are schematic structural diagrams showing another method of manufacturing a thin film transistor according to an embodiment of the present invention.
- FIG. 17 to FIG. 19 are schematic structural diagrams showing a process of manufacturing a thin film transistor according to an embodiment of the present invention.
- FIG. 20 is a schematic structural diagram of a thin film transistor according to an embodiment of the present invention. detailed description
- a method for manufacturing a thin film transistor according to an embodiment of the present invention is as shown in FIG. 1 , and the steps thereof include:
- step S13 may include:
- a first thin film layer is formed on the gate insulating layer 21, and after being oxidized, a first insulating layer 22 is obtained.
- an amorphous silicon thin film layer having a thickness of 200 500 A can be formed on the gate insulating layer 21 composed of SiNx at a temperature of 300 400 degrees, and then formed by plasma treatment by oxygen (0 2 ).
- the oxygen-rich first insulating layer 22 is as shown in FIG.
- an oxide semiconductor layer 23 is formed on the first insulating layer 22, as shown in FIG.
- an amorphous silicon thin film layer having a thickness of 400 1000 A may be formed on the oxide semiconductor layer 23 at a temperature of 150 200 degrees, and then subjected to oxygen (0 2 ) plasma treatment to form a second insulating layer. 24, as shown in Figure 4.
- the photoresist of the photoresist semi-retained region 252 is removed by an ashing process to expose a portion of the second insulating layer 24, as shown in FIG.
- the portion of the second insulating layer 24 is removed by an etching process, and after the photoresist is stripped off, an etch stop layer 24 composed of the second insulating layer 24 is obtained, as shown in FIG.
- the source 26 and the drain 27 are formed on the oxide semiconductor layer 23 and the etch barrier layer 24 by a patterning process, as shown in Fig. 9, similarly or similarly to the prior art.
- the material for the first film layer and the second film layer is amorphous silicon, and the embodiment of the present invention is not limited thereto, and other materials such as aluminum oxide or the like may also be used.
- the step S131 may be omitted in the embodiment, and the oxide semiconductor layer 23 is directly formed on the gate insulating layer 21 after the step S12 is completed, and the steps are performed. S133 and subsequent processes.
- the etch barrier layer is obtained by an oxidation process, and the etch barrier layer and the oxide semiconductor layer are formed by a mask process using a gray tone mask, without separately performing The mask process process can reduce the mask process once and reduce the manufacturing cost.
- two oxygen-rich insulating layers are provided on the upper and lower sides of the active layer of the oxide semiconductor, which are rich in oxygen, oxygen in the active layer of the oxide semiconductor can be prevented from flowing to other layers. Diffusion causes abnormal characteristics of the thin film transistor, and also prevents hydrogen atoms in the gate insulating layer SiNx from diffusing into the active layer of the oxide semiconductor, thereby ensuring better performance of the TFT.
- the gate insulating layer is prepared by SiNx to a thickness of about 2000 4000 A, and the first insulating layer is prepared from the oxidized SiOx to a thickness of about 200 500 A, which is faster than the prior art (existing etching rate)
- the gate insulating layer in the thin film transistor is mostly prepared by using SiOx, and the etching rate is very slow. Therefore, in the subsequent via etching, the etching time for using the SiOx as the gate insulating layer is shorter than that. Therefore, the equipment has high productivity and is easy to produce in large quantities.
- the etch barrier layer i.e., the second insulating layer
- the etch barrier layer is also an oxygen-rich material due to oxidation treatment, and has good barrier properties, thereby ensuring stability of the characteristics of the thin film transistor.
- step S13 may include:
- an oxide semiconductor layer 23 is formed on the gate insulating layer 21 as shown in FIG.
- the material of the gate insulating layer 21 may be SiNx.
- a metal thin film layer 28 is formed on the oxide semiconductor layer 23, as shown in FIG.
- the metal thin film layer may be composed of a single metal thin film or a multilayer metal thin film.
- the photoresist of the photoresist semi-retained region 252 is removed by an ashing process to expose a portion of the metal thin film layer 281, as shown in FIG.
- the exposed portion of the metal thin film layer 281 is oxidized so that the exposed portion of the metal thin film is completely converted into an oxygen-rich insulating film to form an etch barrier layer, as shown in FIG.
- the exposed portion of the metal film may be subjected to oxygen (0 2 ) plasma bombardment to control the bombardment time so that the exposed portion of the metal film is completely converted into an insulating film to form an etch barrier.
- step S13 may include: S131", an oxide semiconductor layer 23 is formed on the gate insulating layer 21, as shown in Fig. 10.
- the material of the gate insulating layer 21 may be SiNx.
- a metal thin film layer 28 is formed on the oxide semiconductor layer 23, as shown in FIG.
- a photoresist 25 is coated on the metal thin film layer 28, exposed by a gray mask or a semi-transparent mask, and a photoresist corresponding to the source/drain electrode region is formed on the metal thin film layer 28 after development.
- the metal film layer may be composed of a single metal film or a multilayer metal film. If a metal film layer composed of a plurality of metal films is used, the uppermost metal film may be etched away, or the most The bottom metal film.
- the remaining portion of the metal film 281 may be subjected to oxygen (0 2 ) plasma bombardment to control the bombardment time so that the metal film of the remaining portion is completely converted into an insulating film to constitute an etch barrier.
- the etch barrier layer is obtained by an oxidation process, and the etch barrier layer and the source/drain electrodes are formed by a mask process using a gray tone mask, without performing a separate mask process.
- the mask process can reduce the mask process and reduce the manufacturing cost.
- the etch barrier is oxidized and is also an oxygen-rich material, which has good barrier properties and ensures excellent stability of the thin film transistor characteristics.
- the first thin film layer 22 may be formed on the gate insulating layer 21, as shown in Fig. 20. Specifically, the temperature may be 300 400 degrees. Next, an amorphous silicon thin film layer 22 having a thickness of 200 500 A is formed, and then subjected to oxygen (0 2 ) plasma treatment to form an oxygen-rich first insulating layer 22.
- the first film layer 22 is not limited to an amorphous silicon material, and may be other materials such as aluminum oxide or the like.
- the first insulating layer 22 obtained by the oxidation treatment is provided between the gate insulating layer 21 and the oxide semiconductor active layer 24, and the hydrogen atoms in the gate insulating layer SiNx can be prevented from diffusing to the active layer of the oxide semiconductor.
- the better performance of the TFT is ensured, and the gate insulating layer is made of SiNx and the first insulating layer 23, and the etching rate is relatively fast, so that the via etching after the subsequent etching is performed by using SiOx alone.
- the etching time of the gate insulating layer is short, so the device has high productivity and is easy to be large. Mass production.
- Embodiments of the present invention provide a thin film transistor which is fabricated by the method for fabricating a thin film transistor described in the above method embodiment.
- FIG. 9 is a schematic diagram of a thin film transistor according to an embodiment of the present invention.
- the thin film transistor includes:
- the first insulating layer 22 may It is obtained by oxidation treatment of amorphous silicon or aluminum oxide.
- the metal film layer of the source/drain electrode may be a single layer metal or a plurality of layers, and the etch barrier layer may be a multilayer metal.
- a part of the film layer or the bottom layer in the film layer is obtained by oxidation treatment.
- the etch barrier layer may also be obtained by oxidizing the entire metal film corresponding to the channel region, as shown in FIG. 20, that is, the metal film 281 of the channel region is not subjected to an etching process, and is directly oxidized.
- An etch stop layer 281 is obtained, at which time the etch stop layer 281 is in the same plane as the upper surfaces of the source 26 and the drain 27.
- the thin film transistor provided by the embodiment of the present invention, since two insulating layers are respectively disposed on the upper and lower sides of the active layer of the oxide semiconductor, it is possible to prevent the diffusion of oxygen in the active layer of the oxide semiconductor to other layers, resulting in abnormal characteristics of the thin film transistor. At the same time, it can prevent hydrogen atoms in the gate insulating layer SiNx from diffusing into the active layer of the oxide semiconductor, ensuring better performance of the thin film transistor, and forming an oxygen-rich etch barrier layer in the channel region, which can block the pair The destruction of the oxide semiconductor active layer in the channel region ensures stability of excellent thin film transistor characteristics.
- Embodiments of the present invention provide an array substrate including the above thin film transistor. Meanwhile, an embodiment of the present invention further provides a display device including the above array substrate.
- the display device may be, but not limited to, a display device such as a liquid crystal panel, an Organic Light-Emitting Diode (OLED) panel, an electrophoretic display panel, a mobile phone, a monitor, or a tablet.
- OLED Organic Light-Emitting Diode
- the array substrate and the display device provided by the embodiments of the present invention can prevent oxide semi-conducting by providing two insulating layers on the upper and lower sides of the active layer of the oxide semiconductor in the thin film transistor.
- the diffusion of oxygen in the bulk active layer to other layers causes abnormal characteristics of the array substrate, and also prevents hydrogen atoms in the gate insulating layer SiNx from diffusing into the active layer of the oxide semiconductor, thereby ensuring better performance of the array substrate, and
- a second insulating layer is formed, which can block the destruction of the oxide semiconductor active layer of the channel region, and ensures excellent stability of the characteristics of the array substrate.
- the etching barrier layer in the process of preparing the thin film transistor, is obtained by an oxidation treatment method, and the etching barrier layer can pass through the semiconductor active layer
- the etch barrier layer can also be implemented by a single mask process with the source/drain electrodes, without adding a mask process due to the preparation of the etch barrier layer, compared to the prior art by a mask process.
- the number of mask processes can be reduced during the fabrication process of the TFT array substrate, the manufacturing process is simplified, the manufacturing cost is reduced, and the yield of the product is improved.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/991,729 US9502235B2 (en) | 2012-02-27 | 2012-12-13 | Thin film transistor, method for manufacturing the same, array substrate and display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210047937.5 | 2012-02-27 | ||
CN2012100479375A CN102651322A (zh) | 2012-02-27 | 2012-02-27 | 一种薄膜晶体管及其制造方法、阵列基板、显示器件 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013127229A1 true WO2013127229A1 (zh) | 2013-09-06 |
Family
ID=46693298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/086501 WO2013127229A1 (zh) | 2012-02-27 | 2012-12-13 | 薄膜晶体管及其制造方法、阵列基板、显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9502235B2 (zh) |
CN (1) | CN102651322A (zh) |
WO (1) | WO2013127229A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102651322A (zh) * | 2012-02-27 | 2012-08-29 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制造方法、阵列基板、显示器件 |
CN103236402B (zh) * | 2013-04-27 | 2016-02-03 | 京东方科技集团股份有限公司 | 薄膜晶体管及其制作方法、阵列基板及显示装置 |
CN104157609B (zh) * | 2014-08-20 | 2017-11-10 | 深圳市华星光电技术有限公司 | Tft基板的制作方法及其结构 |
CN104300004A (zh) * | 2014-09-01 | 2015-01-21 | 京东方科技集团股份有限公司 | 薄膜晶体管及其制备方法、阵列基板、显示装置 |
WO2018081953A1 (en) * | 2016-11-02 | 2018-05-11 | Boe Technology Group Co., Ltd. | Array substrate, display panel and display apparatus having the same, and fabricating method thereof |
CN111201613A (zh) * | 2017-11-28 | 2020-05-26 | 深圳市柔宇科技有限公司 | 薄膜晶体管及其制备方法、显示基板和显示装置 |
CN108847408A (zh) * | 2018-06-04 | 2018-11-20 | 深圳市华星光电技术有限公司 | 一种tft阵列基板的制造方法及tft阵列基板 |
CN109192739B (zh) * | 2018-09-17 | 2020-12-18 | 合肥鑫晟光电科技有限公司 | 一种薄膜晶体管及其制备方法、阵列基板和显示装置 |
CN111192889A (zh) * | 2020-01-07 | 2020-05-22 | 京东方科技集团股份有限公司 | 光检测模块及其制备方法、光检测基板 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5470769A (en) * | 1990-03-27 | 1995-11-28 | Goldstar Co., Ltd. | Process for the preparation of a thin film transistor |
US20080206935A1 (en) * | 2007-02-23 | 2008-08-28 | Jin Jang | Method for fabricating thin film transistor using local oxidation and transparent thin film transistor |
CN101740636A (zh) * | 2008-11-17 | 2010-06-16 | 索尼株式会社 | 薄膜晶体管和显示装置 |
CN102629628A (zh) * | 2011-09-29 | 2012-08-08 | 京东方科技集团股份有限公司 | 一种tft阵列基板及其制造方法和液晶显示器 |
CN102651322A (zh) * | 2012-02-27 | 2012-08-29 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制造方法、阵列基板、显示器件 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3537854B2 (ja) * | 1992-12-29 | 2004-06-14 | エルジー フィリップス エルシーディー カンパニー リミテッド | 薄膜トランジスタの製造方法 |
CN101625977B (zh) * | 2008-07-11 | 2011-08-31 | 台湾薄膜电晶体液晶显示器产业协会 | 薄膜晶体管的制造方法 |
US8247276B2 (en) * | 2009-02-20 | 2012-08-21 | Semiconductor Energy Laboratory Co., Ltd. | Thin film transistor, method for manufacturing the same, and semiconductor device |
KR101213708B1 (ko) * | 2009-06-03 | 2012-12-18 | 엘지디스플레이 주식회사 | 어레이 기판 및 이의 제조방법 |
KR20110093113A (ko) * | 2010-02-11 | 2011-08-18 | 삼성전자주식회사 | 박막 트랜지스터 기판 및 이의 제조 방법 |
WO2011111781A1 (ja) * | 2010-03-11 | 2011-09-15 | シャープ株式会社 | 半導体装置およびその製造方法 |
KR101671952B1 (ko) * | 2010-07-23 | 2016-11-04 | 삼성디스플레이 주식회사 | 표시 기판 및 이의 제조 방법 |
-
2012
- 2012-02-27 CN CN2012100479375A patent/CN102651322A/zh active Pending
- 2012-12-13 WO PCT/CN2012/086501 patent/WO2013127229A1/zh active Application Filing
- 2012-12-13 US US13/991,729 patent/US9502235B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5470769A (en) * | 1990-03-27 | 1995-11-28 | Goldstar Co., Ltd. | Process for the preparation of a thin film transistor |
US20080206935A1 (en) * | 2007-02-23 | 2008-08-28 | Jin Jang | Method for fabricating thin film transistor using local oxidation and transparent thin film transistor |
CN101740636A (zh) * | 2008-11-17 | 2010-06-16 | 索尼株式会社 | 薄膜晶体管和显示装置 |
CN102629628A (zh) * | 2011-09-29 | 2012-08-08 | 京东方科技集团股份有限公司 | 一种tft阵列基板及其制造方法和液晶显示器 |
CN102651322A (zh) * | 2012-02-27 | 2012-08-29 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制造方法、阵列基板、显示器件 |
Also Published As
Publication number | Publication date |
---|---|
US20140061634A1 (en) | 2014-03-06 |
US9502235B2 (en) | 2016-11-22 |
CN102651322A (zh) | 2012-08-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013127229A1 (zh) | 薄膜晶体管及其制造方法、阵列基板、显示装置 | |
JP5588740B2 (ja) | Tft−lcdアレイ基板およびその製造方法 | |
WO2016041304A1 (zh) | 薄膜晶体管及制备方法、阵列基板及制备方法、显示装置 | |
WO2015100935A1 (zh) | 阵列基板及其制造方法、以及显示装置 | |
US10236388B2 (en) | Dual gate oxide thin-film transistor and manufacturing method for the same | |
WO2014206035A1 (zh) | 阵列基板及其制作方法、显示面板和显示装置 | |
WO2015100894A1 (zh) | 显示装置、阵列基板及其制造方法 | |
WO2016206206A1 (zh) | 薄膜晶体管及其制备方法、阵列基板、显示装置 | |
WO2015096307A1 (zh) | 氧化物薄膜晶体管、显示器件、及阵列基板的制造方法 | |
JP2019537282A (ja) | アレイ基板とその製造方法及び表示装置 | |
CN102427061B (zh) | 有源矩阵有机发光显示器的阵列基板制造方法 | |
WO2019095482A1 (zh) | Tft基板及其制作方法 | |
WO2015143745A1 (zh) | 一种阵列基板的制造方法 | |
WO2013181915A1 (zh) | Tft阵列基板及其制造方法和显示装置 | |
WO2014117512A1 (zh) | 一种薄膜晶体管、薄膜晶体管驱动背板的制备方法及薄膜晶体管驱动背板 | |
JP2014140033A (ja) | 薄膜トランジスタ及びアレイ基板の製造方法 | |
WO2013189144A1 (zh) | 阵列基板及其制造方法、以及显示装置 | |
TWI546850B (zh) | 顯示面板之製備方法 | |
WO2015100859A1 (zh) | 阵列基板及其制造方法和显示装置 | |
WO2021026990A1 (zh) | 一种阵列基板及其制作方法 | |
WO2019223076A1 (zh) | 金属氧化物薄膜晶体管及其制作方法、显示器 | |
WO2014005348A1 (zh) | 一种阵列基板的制作方法、阵列基板和液晶显示装置 | |
WO2022082901A1 (zh) | 显示面板及其制备方法 | |
WO2017049885A1 (zh) | 阵列基板的制备方法、阵列基板和显示装置 | |
WO2014117444A1 (zh) | 阵列基板及其制作方法、显示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 13991729 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12870252 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 04.11.2014) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12870252 Country of ref document: EP Kind code of ref document: A1 |