JP2009124159A - 薄膜トランジスタ - Google Patents
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- JP2009124159A JP2009124159A JP2008328543A JP2008328543A JP2009124159A JP 2009124159 A JP2009124159 A JP 2009124159A JP 2008328543 A JP2008328543 A JP 2008328543A JP 2008328543 A JP2008328543 A JP 2008328543A JP 2009124159 A JP2009124159 A JP 2009124159A
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- 239000010409 thin film Substances 0.000 title claims abstract description 47
- 239000010408 film Substances 0.000 claims abstract description 129
- 239000003990 capacitor Substances 0.000 claims abstract description 59
- 239000010410 layer Substances 0.000 claims description 78
- 239000011229 interlayer Substances 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 17
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 26
- 238000005401 electroluminescence Methods 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- UBSJOWMHLJZVDJ-UHFFFAOYSA-N aluminum neodymium Chemical compound [Al].[Nd] UBSJOWMHLJZVDJ-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 239000002356 single layer Substances 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000001259 photo etching Methods 0.000 description 6
- 238000005468 ion implantation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005224 laser annealing Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
【解決手段】ゲート電極及びキャパシタの誘電体膜に用いられるゲート絶縁膜の厚さを互いに異ならせて形成することで、静電容量の大きさを減少することなくキャパシタの表面積を減少させて、有機エレクトロルミネセンス素子の開口率を増加させることのできる技術である。
【選択図】図3G
Description
図1を参照すれば、従来のアクティブマトリックスの有機エレクトロルミネセンス表示装置は、多数のゲートライン310、多数のデータライン320及び多数の電源供給ライン330、並びに前記ゲートライン310、データライン320及び電源供給ライン330に連結、構成される多数の画素を具備する。
第1の領域と第2の領域とが定義された基板と、
前記基板の第1の領域及び第2の領域にそれぞれ具備される半導体層パターンと、
前記第1の領域の半導体層パターンのチャンネル領域上に具備される第1のゲート絶縁膜パターンと、
全表面上部に具備される第2のゲート絶縁膜と、
前記第1の領域のチャンネル領域の上側及び第2の領域の半導体層パターンの上側にそれぞれ具備される第1の導電層パターンと、
全表面上部に具備される層間絶縁膜と、
前記第1の領域の層間絶縁膜及び第2のゲート絶縁膜を通じて前記半導体層パターンに接続され、第2の領域の第1の導電層パターンの上側に具備される第2の導電層パターンと、を含むことと、
前記半導体層パターンは、多結晶シリコン層パターンであることと、
前記第1の領域の半導体層パターンは、薄膜トランジスタのチャンネル領域及びソース/ドレイン領域であり、前記第2の領域の半導体層パターンは、下部キャパシタの下部電極であることと、
前記第1のゲート絶縁膜パターンは、シリコン酸化膜又はシリコン窒化膜から形成されることと、
前記第1のゲート絶縁膜パターンは、400〜1000Åの厚さで形成されることと、
前記第2のゲート絶縁膜は、シリコン酸化膜又はシリコン窒化膜から形成されることと、
前記第2のゲート絶縁膜は、200〜800Åの厚さで形成されることと、
前記第1の領域の第1の導電層パターンは、ゲート電極であり、第2の領域の第1の導電層パターンは、下部キャパシタの上部電極であると共に、上部キャパシタの下部電極であることと、
前記第1の領域の第2の導電層パターンは、ソース/ドレイン電極であり、第2の領域の第2の導電層パターンは、上部キャパシタの上部電極であることと、を特徴とする。
基板上部の第1の領域及び第2の領域に多結晶シリコン層パターンをそれぞれ形成する工程と、
全表面上部に第1のゲート絶縁膜を形成する工程と、
前記第1の領域の第1のゲート絶縁膜上部にトランジスタのチャンネル領域を保護する感光膜パターンを形成する工程と、
前記感光膜パターンをイオン注入マスクとして用いて、前記多結晶シリコン層パターンに不純物をイオン注入して、前記第1の領域にソース/ドレイン領域を形成すると共に、前記第2の領域に第1の電極を形成する工程と、
前記感光膜パターンをエッチングマスクとして前記第1のゲート絶縁膜をエッチングして第1のゲート絶縁膜パターンを形成した後、前記感光膜パターンを取り除く工程と、
全表面上部に第2のゲート絶縁膜を形成する工程と、
前記第2のゲート絶縁膜の第1の領域にゲート電極を形成し、前記第2の領域に第2の電極を形成する工程と、
全表面上部に層間絶縁膜を形成する工程と、
写真エッチング工程で前記第1の領域の層間絶縁膜及び第2のゲート絶縁膜をエッチングして、前記ソース/ドレイン領域を露出させるコンタクトホールを形成する工程と、
前記第1の領域のコンタクトホールを通じてソース/ドレイン領域に接続されるソース/ドレイン電極を形成し、前記第2の領域に第3電極を形成する工程と、を含むことと、
前記第1の電極は、下部キャパシタの下部電極として用いられることと、
前記第1のゲート絶縁膜は、シリコン酸化膜又はシリコン窒化膜から形成されることと、
前記第1のゲート絶縁膜は、400〜1000Åの厚さで形成されることと、
前記第2のゲート絶縁膜は、シリコン酸化膜又はシリコン窒化膜から形成されることと、
前記第2のゲート絶縁膜は、200〜800Åの厚さで形成されることと、
前記第2の電極は、下部キャパシタの上部電極として用いられると共に、上部キャパシタの下部電極として用いられることと、
前記第3電極は、上部キャパシタの上部電極であることと、を特徴とする。
その後、前記感光膜パターン238を取り除く。
例えば、前記第1のゲート絶縁膜230の厚さが800Åであり、第2のゲート絶縁膜232の厚さが400Åであり、層間絶縁膜240の厚さが1200Åである場合、本発明に係るキャパシタの表面積は、下記式(1)のように表現できる。
ここで、下部キャパシタ(C1)が第2のゲート絶縁膜232のみを誘電体膜として使用(GI1=0)するので、キャパシタの表面積は、下記式(2)の通りである。
110、210 緩衝膜
120、220a、220b 多結晶シリコン層パターン
122、222a ソース/ドレイン領域
124、222b 第1の電極
130、230 第1のゲート絶縁膜
132、232 第2のゲート絶縁膜
134 ゲート電極
136、236 第2の電極
140、240 層間絶縁膜
150、250 ソース電極
152、252 ドレイン電極
154、254 第3電極
160、260 保護膜
231 第1のゲート絶縁膜パターン
Claims (9)
- 第1の領域と第2の領域とが定義された基板と、
前記基板の第1の領域及び第2の領域にそれぞれ具備される半導体層パターンと、
前記第1の領域の半導体層パターンのチャンネル領域上に具備される第1のゲート絶縁膜パターンと、
全表面上部に具備される第2のゲート絶縁膜と、
前記第1の領域のチャンネル領域の上側及び第2の領域の半導体層パターンの上側にそれぞれ具備される第1の導電層パターンと、
全表面上部に具備される層間絶縁膜と、
前記第1の領域の層間絶縁膜及び第2のゲート絶縁膜を通じて前記半導体層パターンに接続され、第2の領域の第1の導電層パターンの上側に具備される第2の導電層パターンと、
を含むことを特徴とする薄膜トランジスタ。 - 前記半導体層パターンは、多結晶シリコン層パターンであることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記第1の領域の半導体層パターンは、薄膜トランジスタのチャンネル領域及びソース/ドレイン領域であり、前記第2の領域の半導体層パターンは、下部キャパシタの下部電極であることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記第1のゲート絶縁膜パターンは、シリコン酸化膜又はシリコン窒化膜から形成されることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記第1のゲート絶縁膜パターンは、400〜1000Åの厚さで形成されることを特徴とする請求項4に記載の薄膜トランジスタ。
- 前記第2のゲート絶縁膜は、シリコン酸化膜又はシリコン窒化膜から形成されることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記第2のゲート絶縁膜は、200〜800Åの厚さで形成されることを特徴とする請求項6に記載の薄膜トランジスタ。
- 前記第1の領域の第1の導電層パターンは、ゲート電極であり、第2の領域の第1の導電層パターンは、下部キャパシタの上部電極であると共に、上部キャパシタの下部電極であることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記第1の領域の第2の導電層パターンは、ソース/ドレイン電極であり、第2の領域の第2の導電層パターンは、上部キャパシタの上部電極であることを特徴とする請求項1に記載の薄膜トランジスタ。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105552100A (zh) * | 2014-10-24 | 2016-05-04 | 三星显示有限公司 | 有机发光显示装置及其制造方法 |
KR101786801B1 (ko) * | 2010-12-22 | 2017-10-19 | 엘지디스플레이 주식회사 | 유기전계 발광소자용 기판 및 그 제조 방법 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100659761B1 (ko) * | 2004-10-12 | 2006-12-19 | 삼성에스디아이 주식회사 | 반도체소자 및 그 제조방법 |
KR100754138B1 (ko) * | 2006-02-20 | 2007-08-31 | 삼성에스디아이 주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
KR100782461B1 (ko) * | 2006-04-05 | 2007-12-05 | 삼성에스디아이 주식회사 | Tft패널 및 이의 제조 방법, 그리고 이를 구비하는 유기전계 발광 표시 장치 |
KR100796608B1 (ko) * | 2006-08-11 | 2008-01-22 | 삼성에스디아이 주식회사 | 박막 트랜지스터 어레이 기판의 제조방법 |
KR100847661B1 (ko) * | 2007-03-21 | 2008-07-21 | 삼성에스디아이 주식회사 | 반도체 장치의 제조 방법 |
KR100864886B1 (ko) * | 2007-03-28 | 2008-10-22 | 삼성에스디아이 주식회사 | 평판 표시장치 및 그 제조방법 |
KR100823199B1 (ko) * | 2007-04-05 | 2008-04-18 | 삼성에스디아이 주식회사 | 유기 발광 표시 장치 |
JP2008287135A (ja) * | 2007-05-21 | 2008-11-27 | Sony Corp | 画素回路および表示装置 |
KR101499233B1 (ko) | 2008-09-03 | 2015-03-06 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR101022652B1 (ko) | 2009-04-02 | 2011-03-22 | 삼성모바일디스플레이주식회사 | 박막 트랜지스터 기판 제조방법 및 유기 발광 디스플레이 장치 제조방법 |
JP2010249935A (ja) | 2009-04-13 | 2010-11-04 | Sony Corp | 表示装置 |
KR101065413B1 (ko) * | 2009-07-03 | 2011-09-16 | 삼성모바일디스플레이주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
KR101073163B1 (ko) | 2009-07-30 | 2011-10-12 | 삼성모바일디스플레이주식회사 | 유기전계 발광 표시장치 |
KR101073174B1 (ko) | 2009-07-31 | 2011-10-12 | 삼성모바일디스플레이주식회사 | 화소 및 이를 구비한 유기전계발광 표시장치 |
KR101117727B1 (ko) * | 2009-12-16 | 2012-03-07 | 삼성모바일디스플레이주식회사 | 유기 발광 디스플레이 장치 및 그 제조 방법 |
KR101210146B1 (ko) | 2010-04-05 | 2012-12-07 | 삼성디스플레이 주식회사 | 표시 장치 및 그의 제조 방법 |
KR20110121890A (ko) * | 2010-05-03 | 2011-11-09 | 삼성모바일디스플레이주식회사 | 표시 장치 및 그의 제조 방법 |
TWI449004B (zh) * | 2010-08-30 | 2014-08-11 | Au Optronics Corp | 畫素結構及其製造方法 |
US20120178224A1 (en) * | 2011-01-12 | 2012-07-12 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
TWI570809B (zh) | 2011-01-12 | 2017-02-11 | 半導體能源研究所股份有限公司 | 半導體裝置及其製造方法 |
KR102015986B1 (ko) * | 2012-01-06 | 2019-08-30 | 삼성디스플레이 주식회사 | 유기발광 표시장치 |
CN103137708B (zh) * | 2012-04-13 | 2015-09-02 | 友达光电股份有限公司 | 主动元件及其制造方法 |
US9035364B2 (en) | 2012-04-13 | 2015-05-19 | Au Optronics Corporation | Active device and fabricating method thereof |
KR101882001B1 (ko) * | 2012-06-15 | 2018-07-26 | 소니 주식회사 | 표시 장치, 반도체 장치 및 표시 장치의 제조 방법 |
CN102956713B (zh) | 2012-10-19 | 2016-03-09 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制作方法、阵列基板和显示装置 |
CN104904018B (zh) * | 2012-12-28 | 2019-04-09 | 株式会社半导体能源研究所 | 半导体装置及半导体装置的制造方法 |
KR102029169B1 (ko) * | 2013-04-17 | 2019-10-07 | 엘지디스플레이 주식회사 | 디스플레이 장치와 이의 제조방법 |
TWI518382B (zh) * | 2013-06-26 | 2016-01-21 | 友達光電股份有限公司 | 畫素結構及具有此畫素結構的顯示面板 |
JP2015015440A (ja) * | 2013-07-08 | 2015-01-22 | ソニー株式会社 | 半導体装置およびその製造方法、並びに表示装置および電子機器 |
CN103390592B (zh) * | 2013-07-17 | 2016-02-24 | 京东方科技集团股份有限公司 | 阵列基板制备方法、阵列基板以及显示装置 |
CN104576651A (zh) * | 2013-10-16 | 2015-04-29 | 昆山国显光电有限公司 | 一种阵列基板及其制备方法 |
KR102188690B1 (ko) * | 2014-01-20 | 2020-12-09 | 삼성디스플레이 주식회사 | 박막트랜지스터, 그의 제조방법 및 박막트랜지스터를 구비하는 평판 표시장치 |
JP6330220B2 (ja) * | 2014-03-27 | 2018-05-30 | 株式会社Joled | 表示装置、電子機器および基板 |
CN104022076B (zh) * | 2014-05-27 | 2017-01-25 | 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 |
KR102298336B1 (ko) * | 2014-06-20 | 2021-09-08 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시장치 |
CN104134674B (zh) * | 2014-07-18 | 2017-02-01 | 京东方科技集团股份有限公司 | 一种多晶硅薄膜晶体管阵列基板及其制备方法、显示装置 |
KR102265751B1 (ko) * | 2014-08-22 | 2021-06-17 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR102240760B1 (ko) | 2014-09-15 | 2021-04-15 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
KR102396288B1 (ko) | 2014-10-27 | 2022-05-10 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
CN104409413B (zh) * | 2014-11-06 | 2017-12-08 | 京东方科技集团股份有限公司 | 阵列基板制备方法 |
CN104538403B (zh) * | 2014-12-30 | 2017-11-17 | 厦门天马微电子有限公司 | 阵列基板单元结构、阵列基板、显示装置以及制作方法 |
CN104752345B (zh) * | 2015-04-27 | 2018-01-30 | 深圳市华星光电技术有限公司 | 薄膜晶体管阵列基板及其制作方法 |
CN104752344A (zh) * | 2015-04-27 | 2015-07-01 | 深圳市华星光电技术有限公司 | 薄膜晶体管阵列基板及其制作方法 |
JP6887243B2 (ja) * | 2015-12-11 | 2021-06-16 | 株式会社半導体エネルギー研究所 | トランジスタ、半導体装置、電子機器及び半導ウエハ |
JP6758884B2 (ja) | 2016-04-01 | 2020-09-23 | 株式会社ジャパンディスプレイ | 表示装置 |
CN105914229B (zh) * | 2016-06-24 | 2017-12-15 | 京东方科技集团股份有限公司 | 一种amoled显示基板及其制作方法、显示装置 |
JP6756560B2 (ja) * | 2016-09-27 | 2020-09-16 | 株式会社ジャパンディスプレイ | 表示装置 |
CN106505072B (zh) * | 2016-10-31 | 2019-07-26 | 昆山工研院新型平板显示技术中心有限公司 | 柔性显示面板及柔性显示装置 |
US10896885B2 (en) * | 2017-09-13 | 2021-01-19 | Polar Semiconductor, Llc | High-voltage MOSFET structures |
KR102615707B1 (ko) * | 2017-12-29 | 2023-12-18 | 엘지디스플레이 주식회사 | 유기발광표시패널 및 이를 이용한 유기발광표시장치 |
CN108257977B (zh) | 2018-01-10 | 2021-01-01 | 京东方科技集团股份有限公司 | 显示背板及其制作方法、显示面板和显示装置 |
CN108459444A (zh) * | 2018-03-28 | 2018-08-28 | 惠科股份有限公司 | 显示面板及显示装置 |
CN111668242A (zh) * | 2020-07-02 | 2020-09-15 | 深圳市华星光电半导体显示技术有限公司 | Oled显示面板及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04219736A (ja) * | 1990-12-20 | 1992-08-10 | Sharp Corp | アクティブマトリクス表示装置の製造方法 |
JPH04291240A (ja) * | 1991-03-19 | 1992-10-15 | Sharp Corp | アクティブマトリクス基板 |
JP2002124677A (ja) * | 2000-10-13 | 2002-04-26 | Nec Corp | 液晶表示用基板及びその製造方法 |
JP2002359252A (ja) * | 2000-09-29 | 2002-12-13 | Toshiba Corp | 平面表示装置及びその製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3829888A (en) * | 1971-01-08 | 1974-08-13 | Hitachi Ltd | Semiconductor device and the method of making the same |
US5698864A (en) * | 1982-04-13 | 1997-12-16 | Seiko Epson Corporation | Method of manufacturing a liquid crystal device having field effect transistors |
JPS6177359A (ja) * | 1984-09-21 | 1986-04-19 | Fujitsu Ltd | 半導体記憶装置 |
JPH0529622A (ja) | 1991-07-25 | 1993-02-05 | Nec Corp | 薄膜トランジスタ及びその製造方法 |
JP3645379B2 (ja) * | 1996-01-19 | 2005-05-11 | 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 |
JP3472024B2 (ja) * | 1996-02-26 | 2003-12-02 | 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 |
US5872029A (en) * | 1996-11-07 | 1999-02-16 | Advanced Micro Devices, Inc. | Method for forming an ultra high density inverter using a stacked transistor arrangement |
KR100226494B1 (ko) * | 1997-02-20 | 1999-10-15 | 김영환 | 액정표시장치 및 그 제조방법 |
KR100485232B1 (ko) * | 1998-02-09 | 2005-04-25 | 세이코 엡슨 가부시키가이샤 | 액정 패널, 이를 구비한 전자 기기 및 박막 트랜지스터 어레이 기판 |
US6593592B1 (en) * | 1999-01-29 | 2003-07-15 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having thin film transistors |
JP2000332258A (ja) | 1999-03-16 | 2000-11-30 | Sanyo Electric Co Ltd | 薄膜トランジスタの製造方法 |
JP4402197B2 (ja) * | 1999-05-24 | 2010-01-20 | シャープ株式会社 | アクティブマトリクス型表示装置 |
US7525165B2 (en) * | 2000-04-17 | 2009-04-28 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and manufacturing method thereof |
KR100496420B1 (ko) * | 2001-03-02 | 2005-06-17 | 삼성에스디아이 주식회사 | 2층구조의 소오스/드레인 전극을 갖는 박막 트랜지스터 및그의 제조방법과 이를 이용한 액티브 매트릭스형 표시소자및 그의 제조방법 |
KR100566894B1 (ko) * | 2001-11-02 | 2006-04-04 | 네오폴리((주)) | Milc를 이용한 결정질 실리콘 tft 패널 및 제작방법 |
KR100684176B1 (ko) * | 2004-12-16 | 2007-02-20 | 한국전자통신연구원 | 저온 능동 구동 표시 소자 및 그 제조 방법 |
US20070296003A1 (en) * | 2006-06-08 | 2007-12-27 | Samsung Electronics Co., Ltd. | Thin Film Transistor Substrate and Method for Manufacturing the Same |
US20080237743A1 (en) * | 2007-03-30 | 2008-10-02 | Texas Instruments Incorporated | Integration Scheme for Dual Work Function Metal Gates |
-
2004
- 2004-06-29 KR KR1020040049823A patent/KR100600878B1/ko active IP Right Grant
-
2005
- 2005-03-14 JP JP2005072012A patent/JP4309362B2/ja active Active
- 2005-06-24 CN CNB2005100813296A patent/CN100481513C/zh active Active
- 2005-06-27 US US11/166,145 patent/US9070716B2/en active Active
-
2008
- 2008-12-24 JP JP2008328543A patent/JP2009124159A/ja active Pending
-
2015
- 2015-06-03 US US14/729,381 patent/US9947771B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04219736A (ja) * | 1990-12-20 | 1992-08-10 | Sharp Corp | アクティブマトリクス表示装置の製造方法 |
JPH04291240A (ja) * | 1991-03-19 | 1992-10-15 | Sharp Corp | アクティブマトリクス基板 |
JP2002359252A (ja) * | 2000-09-29 | 2002-12-13 | Toshiba Corp | 平面表示装置及びその製造方法 |
JP2002124677A (ja) * | 2000-10-13 | 2002-04-26 | Nec Corp | 液晶表示用基板及びその製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101786801B1 (ko) * | 2010-12-22 | 2017-10-19 | 엘지디스플레이 주식회사 | 유기전계 발광소자용 기판 및 그 제조 방법 |
CN105552100A (zh) * | 2014-10-24 | 2016-05-04 | 三星显示有限公司 | 有机发光显示装置及其制造方法 |
CN105552100B (zh) * | 2014-10-24 | 2020-10-27 | 三星显示有限公司 | 有机发光显示装置及其制造方法 |
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JP4309362B2 (ja) | 2009-08-05 |
CN100481513C (zh) | 2009-04-22 |
US9947771B2 (en) | 2018-04-17 |
US20050285197A1 (en) | 2005-12-29 |
KR100600878B1 (ko) | 2006-07-14 |
JP2006013432A (ja) | 2006-01-12 |
CN1716635A (zh) | 2006-01-04 |
US20150263135A1 (en) | 2015-09-17 |
US9070716B2 (en) | 2015-06-30 |
KR20060000848A (ko) | 2006-01-06 |
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