JP5280988B2 - 液晶表示装置の製造方法 - Google Patents
液晶表示装置の製造方法 Download PDFInfo
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- JP5280988B2 JP5280988B2 JP2009255699A JP2009255699A JP5280988B2 JP 5280988 B2 JP5280988 B2 JP 5280988B2 JP 2009255699 A JP2009255699 A JP 2009255699A JP 2009255699 A JP2009255699 A JP 2009255699A JP 5280988 B2 JP5280988 B2 JP 5280988B2
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- insulating film
- liquid crystal
- crystal display
- display device
- etching
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 92
- 238000004519 manufacturing process Methods 0.000 title claims description 44
- 239000010408 film Substances 0.000 claims description 132
- 238000005530 etching Methods 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 20
- 238000000206 photolithography Methods 0.000 claims description 15
- 239000010409 thin film Substances 0.000 claims description 15
- 229910010272 inorganic material Inorganic materials 0.000 claims description 8
- 239000011147 inorganic material Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 6
- 239000011368 organic material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 31
- 239000004065 semiconductor Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 11
- 229920002120 photoresistant polymer Polymers 0.000 description 11
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- 230000005684 electric field Effects 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 238000004380 ashing Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021424 microcrystalline silicon Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
-
- 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
- H01L27/124—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, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Electrodes Of Semiconductors (AREA)
- Thin Film Transistor (AREA)
Description
図1は、本発明の実施形態に係る液晶表示装置を示す分解斜視図である。液晶表示装置は、液晶表示パネル10を有する。液晶表示パネル10は、上フレーム12及び下フレーム14によって支持されている。
図9A〜図17Cは、本発明の実施形態に係る液晶表示装置の製造方法を説明する図である。なお、図番号の末尾のアルファベットがAである図は、画素領域の断面を示す。図番号の末尾のアルファベットがBである図は、ゲート電極30の端子部を形成するための領域の断面を示す。図番号の末尾のアルファベットがCである図は、ドレイン電極52の端子部を形成するための領域の断面を示す。
Claims (4)
- ゲート電極、ドレイン電極及びソース電極を含む薄膜トランジスタを形成する工程と、
前記薄膜トランジスタを覆う第1絶縁膜を形成する工程と、
前記第1絶縁膜上に第2絶縁膜を形成する工程と、
前記第2絶縁膜上に、透明導電膜を形成する工程と、
前記透明導電膜上にフォトリソグラフィによってパターニングされたエッチングレジストを形成する工程と、
前記エッチングレジストを介して、前記透明導電膜を第1エッチングによってパターニングして第1透明電極を形成する工程と、
前記エッチングレジストを介して、前記第2絶縁膜の前記第1透明電極から露出する表面に対して行う第2エッチングによって、前記第2絶縁膜に、前記ドレイン電極及び前記ソース電極の一方の上方に位置する貫通穴を形成する工程と、
前記エッチングレジストを除去する工程と、
を含むことを特徴とする液晶表示装置の製造方法。 - 請求項1に記載された液晶表示装置の製造方法において、
前記第1絶縁膜は、無機材料を主原料とし、
前記第2絶縁膜は、有機材料を主原料とすることを特徴とする液晶表示装置の製造方法。 - 請求項1又は2に記載された液晶表示装置の製造方法において、
前記第2エッチングは、前記第2絶縁膜に対するエッチング量が前記第1絶縁膜に対するエッチング量よりも大きくなる選択的エッチングであり、
前記第1絶縁膜を貫通する前に前記第2エッチングを止めることを特徴とする液晶表示装置の製造方法。 - 請求項3に記載された液晶表示装置の製造方法において、
前記エッチングレジストを除去する工程の後に、
前記第1透明電極上及び前記貫通穴の内側並びに前記第1絶縁膜の前記貫通穴内に露出する表面上に第3絶縁膜を形成する工程と、
前記貫通穴の内側で、前記第3絶縁膜及び前記第1絶縁膜をエッチングして前記ドレイン電極及び前記ソース電極の前記一方を露出させる工程と、
前記ドレイン電極及び前記ソース電極の前記一方の前記貫通穴からの露出部上並びに前記第3絶縁膜上に第2透明電極を形成する工程と、
をさらに含むことを特徴とする液晶表示装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009255699A JP5280988B2 (ja) | 2009-11-09 | 2009-11-09 | 液晶表示装置の製造方法 |
US12/942,176 US20110111543A1 (en) | 2009-11-09 | 2010-11-09 | Method for manufacturing liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009255699A JP5280988B2 (ja) | 2009-11-09 | 2009-11-09 | 液晶表示装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011100041A JP2011100041A (ja) | 2011-05-19 |
JP5280988B2 true JP5280988B2 (ja) | 2013-09-04 |
Family
ID=43974460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009255699A Active JP5280988B2 (ja) | 2009-11-09 | 2009-11-09 | 液晶表示装置の製造方法 |
Country Status (2)
Country | Link |
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US (1) | US20110111543A1 (ja) |
JP (1) | JP5280988B2 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI418903B (zh) * | 2009-09-30 | 2013-12-11 | Au Optronics Corp | 陣列基板及其製造方法 |
JP2012255840A (ja) * | 2011-06-07 | 2012-12-27 | Japan Display West Co Ltd | 表示装置および電子機器 |
JP2013045522A (ja) * | 2011-08-22 | 2013-03-04 | Sony Corp | 表示装置およびその製造方法 |
CN103946742B (zh) * | 2011-11-18 | 2016-08-31 | 夏普株式会社 | 半导体装置、显示装置和半导体装置的制造方法 |
CN104160327A (zh) | 2012-03-12 | 2014-11-19 | 夏普株式会社 | 显示面板 |
KR102017204B1 (ko) * | 2012-11-01 | 2019-09-03 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
CN104813386B (zh) | 2012-11-30 | 2017-05-31 | 夏普株式会社 | Tft基板 |
US9690156B2 (en) * | 2013-03-29 | 2017-06-27 | Sharp Kabushiki Kaisha | Active matrix substrate and display device |
JP6300589B2 (ja) | 2013-04-04 | 2018-03-28 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP6173049B2 (ja) * | 2013-06-04 | 2017-08-02 | 三菱電機株式会社 | 表示パネル及びその製造方法、並びに、液晶表示パネル |
JP5714676B2 (ja) * | 2013-09-18 | 2015-05-07 | 株式会社ジャパンディスプレイ | 液晶表示装置およびその製造方法 |
KR20150036940A (ko) | 2013-09-30 | 2015-04-08 | 엘지디스플레이 주식회사 | 액정표시장치의 제조방법 |
KR102132445B1 (ko) * | 2013-12-31 | 2020-07-09 | 엘지디스플레이 주식회사 | 액정 디스플레이 패널 및 이의 제조 방법 |
JP6186077B2 (ja) * | 2014-04-16 | 2017-08-23 | シャープ株式会社 | 液晶表示パネルおよびその製造方法 |
TWI777164B (zh) * | 2015-03-30 | 2022-09-11 | 日商半導體能源研究所股份有限公司 | 半導體裝置的製造方法 |
CN105093729B (zh) * | 2015-09-17 | 2018-02-27 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、显示装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09185044A (ja) * | 1995-12-28 | 1997-07-15 | Hitachi Ltd | 液晶表示パネルおよびその製造方法 |
JP2001119029A (ja) * | 1999-10-18 | 2001-04-27 | Fujitsu Ltd | 薄膜トランジスタ及びその製造方法及びそれを備えた液晶表示装置 |
KR100579192B1 (ko) * | 2004-03-11 | 2006-05-11 | 삼성에스디아이 주식회사 | 전면 발광 구조를 갖는 유기 전계 발광 표시 장치 및 이의제조방법 |
KR100616708B1 (ko) * | 2004-04-12 | 2006-08-28 | 엘지.필립스 엘시디 주식회사 | 액정표시장치 어레이 기판 및 그 제조방법 |
US8279388B2 (en) * | 2005-08-26 | 2012-10-02 | Samsung Electronics Co., Ltd. | Thin film transistor array panel and a method for manufacturing the same |
KR101250789B1 (ko) * | 2006-06-30 | 2013-04-08 | 엘지디스플레이 주식회사 | 액정표시장치의 제조방법 |
KR100922802B1 (ko) * | 2006-12-29 | 2009-10-21 | 엘지디스플레이 주식회사 | Tft 어레이 기판 및 그 제조방법 |
JP5090745B2 (ja) * | 2007-01-17 | 2012-12-05 | 株式会社ジャパンディスプレイイースト | 表示装置および表示装置の製造方法 |
JP4356750B2 (ja) * | 2007-01-25 | 2009-11-04 | エプソンイメージングデバイス株式会社 | 液晶表示装置及びその製造方法 |
JP2008275889A (ja) * | 2007-04-27 | 2008-11-13 | Seiko Epson Corp | 電気光学装置、電子機器 |
JP2009103797A (ja) * | 2007-10-22 | 2009-05-14 | Hitachi Displays Ltd | 液晶表示装置 |
JP2009103769A (ja) * | 2007-10-22 | 2009-05-14 | Hitachi Displays Ltd | 表示装置 |
JP5079463B2 (ja) * | 2007-11-20 | 2012-11-21 | 株式会社ジャパンディスプレイウェスト | 液晶表示装置及びその製造方法 |
-
2009
- 2009-11-09 JP JP2009255699A patent/JP5280988B2/ja active Active
-
2010
- 2010-11-09 US US12/942,176 patent/US20110111543A1/en not_active Abandoned
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JP2011100041A (ja) | 2011-05-19 |
US20110111543A1 (en) | 2011-05-12 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |