JP4754795B2 - 表示装置及び表示装置の作製方法 - Google Patents
表示装置及び表示装置の作製方法 Download PDFInfo
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- JP4754795B2 JP4754795B2 JP2004270984A JP2004270984A JP4754795B2 JP 4754795 B2 JP4754795 B2 JP 4754795B2 JP 2004270984 A JP2004270984 A JP 2004270984A JP 2004270984 A JP2004270984 A JP 2004270984A JP 4754795 B2 JP4754795 B2 JP 4754795B2
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- insulating film
- electrode
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- interlayer insulating
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Thin Film Transistor (AREA)
- Electroluminescent Light Sources (AREA)
Description
成される絶縁膜を用いる。
Claims (5)
- 絶縁表面を有する基板上に薄膜トランジスタおよび表示素子を有する表示装置の作製方法であって、
前記絶縁表面を有する基板上に位置するソース領域、ドレイン領域、およびその間のチャネル形成領域を有する半導体層と、前記半導体層上に位置するゲート絶縁膜と、前記ゲート絶縁膜上に位置するゲート電極とを有する前記薄膜トランジスタを形成し、
前記薄膜トランジスタ上に平坦化膜を含む層間絶縁膜を形成し、
前記層間絶縁膜上に、前記表示素子の第1の電極を選択的に形成し、
前記層間絶縁膜をエッチングして、前記ソース領域または前記ドレイン領域上の位置に前記層間絶縁膜の端部がテーパー形状となるコンタクトホールを形成し、
前記端部に不活性元素のドーピング処理を行うことで前記端部に高密度化した部分を形成し、
前記コンタクトホール下に位置する前記ゲート絶縁膜を除去して、前記ソース領域または前記ドレイン領域に達する開口部を形成し、
前記第1の電極及び前記層間絶縁膜上に導電膜を形成し、
前記導電膜を選択的に除去し、前記第1の電極の端部及び、前記ソース領域または前記ドレイン領域に電気的に接続する配線を形成し、
前記配線及び前記第1の電極の端部を覆う、前記層間絶縁膜に含まれる材料と同一材料からなる絶縁物を形成し、
前記第1の電極上に有機化合物を含む層を形成し、
前記有機化合物を含む層上に第2の電極を形成して前記表示素子を形成し、
前記層間絶縁膜、前記第1の電極及び前記絶縁物は、透光性を有し、酸化珪素を含み、
前記層間絶縁膜は、少なくとも窒化珪素又は酸化珪素を含む膜と、塗布法により形成されるアルキル基を含む酸化珪素膜を積層して形成され、
前記絶縁物は、塗布法により形成されるアルキル基を含む酸化珪素膜であり、
前記有機化合物を含む層を形成する前に、水分又はガスを除去するための加熱処理を行うことを特徴とする表示装置の作製方法。 - 絶縁表面を有する基板上に薄膜トランジスタおよび表示素子を有する表示装置の作製方法であって、
前記絶縁表面を有する基板上に位置するソース領域、ドレイン領域、およびその間のチャネル形成領域を有する半導体層と、前記半導体層上に位置するゲート絶縁膜と、前記ゲート絶縁膜上に位置するゲート電極とを有する前記薄膜トランジスタを形成し、
前記薄膜トランジスタ上に平坦化膜を含む層間絶縁膜を形成し、
前記層間絶縁膜上に、前記表示素子の第1の電極を選択的に形成し、
前記層間絶縁膜をエッチングして、前記ソース領域または前記ドレイン領域上の位置に前記層間絶縁膜の端部がテーパー形状となるコンタクトホールを形成し、
前記端部に不活性元素のドーピング処理を行うことで前記端部に高密度化した部分を形成し、
前記コンタクトホール下に位置する前記ゲート絶縁膜を除去して、前記ソース領域または前記ドレイン領域に達する開口部を形成し、
前記第1の電極及び前記層間絶縁膜上に導電膜を形成し、
前記導電膜を選択的に除去し、前記第1の電極の端部及び、前記ソース領域または前記ドレイン領域に電気的に接続する配線を形成するとともに、前記層間絶縁膜に凹部が形成され、
前記配線、前記第1の電極の端部及び前記凹部を覆う、前記層間絶縁膜に含まれる材料と同一材料からなる絶縁物を形成し、
前記第1の電極上に有機化合物を含む層を形成し、
前記有機化合物を含む層上に第2の電極を形成して前記表示素子を形成し、
前記層間絶縁膜、前記第1の電極及び前記絶縁物は、透光性を有し、酸化珪素を含み、
前記層間絶縁膜は、少なくとも窒化珪素又は酸化珪素を含む膜と、塗布法により形成されるアルキル基を含む酸化珪素膜を積層して形成され、
前記絶縁物は、塗布法により形成されるアルキル基を含む酸化珪素膜であり、
前記有機化合物を含む層を形成する前に、水分又はガスを除去するための加熱処理を行うことを特徴とする表示装置の作製方法。 - 請求項1又は2において、前記塗布法により形成されるアルキル基を含む酸化珪素膜は、シロキサン系ポリマーを溶媒に溶解させた塗布材料液を塗布した塗布膜を焼成して形成されることを特徴とする表示装置の作製方法。
- 請求項1乃至3のいずれか一において、前記塗布法は、スピンコート法又はインクジェット法であることを特徴とする表示装置の作製方法。
- 請求項1乃至4のいずれか一において、前記第1の電極は、酸化珪素を含むインジウム錫酸化物からなるターゲットを用いたスパッタ法で形成することを特徴とする表示装置の作製方法。
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JP2007242895A (ja) * | 2006-03-08 | 2007-09-20 | Mitsubishi Electric Corp | 薄膜トランジスタ装置及びその製造方法 |
JP5104274B2 (ja) * | 2007-02-08 | 2012-12-19 | セイコーエプソン株式会社 | 発光装置 |
JP5109542B2 (ja) * | 2007-09-18 | 2012-12-26 | カシオ計算機株式会社 | 表示装置の製造方法 |
US9224759B2 (en) * | 2010-12-20 | 2015-12-29 | Japan Display Inc. | Pixel array substrate structure, method of manufacturing pixel array substrate structure, display device, and electronic apparatus |
US9246299B2 (en) * | 2011-08-04 | 2016-01-26 | Martin A. Stuart | Slab laser and amplifier |
KR101903671B1 (ko) * | 2011-10-07 | 2018-10-04 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
US10910590B2 (en) * | 2014-03-27 | 2021-02-02 | Universal Display Corporation | Hermetically sealed isolated OLED pixels |
US10749123B2 (en) | 2014-03-27 | 2020-08-18 | Universal Display Corporation | Impact resistant OLED devices |
TWI745740B (zh) * | 2014-05-15 | 2021-11-11 | 日商半導體能源研究所股份有限公司 | 發光元件、發光裝置、電子裝置以及照明設備 |
CN118574462A (zh) * | 2018-03-28 | 2024-08-30 | 堺显示器制品株式会社 | El显示装置及其制造方法 |
US20230104604A1 (en) * | 2020-03-30 | 2023-04-06 | Sharp Kabushiki Kaisha | Display device and method for manufacturing same |
WO2024180672A1 (ja) * | 2023-02-28 | 2024-09-06 | シャープディスプレイテクノロジー株式会社 | 画素回路基板、表示装置、及び画素回路基板の製造方法 |
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