JP2021033240A - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP2021033240A JP2021033240A JP2019157392A JP2019157392A JP2021033240A JP 2021033240 A JP2021033240 A JP 2021033240A JP 2019157392 A JP2019157392 A JP 2019157392A JP 2019157392 A JP2019157392 A JP 2019157392A JP 2021033240 A JP2021033240 A JP 2021033240A
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- display device
- insulating layer
- light emitting
- emitting element
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- 239000011229 interlayer Substances 0.000 claims abstract description 109
- 229910052751 metal Inorganic materials 0.000 claims abstract description 108
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- 239000000758 substrate Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims description 15
- 239000011810 insulating material Substances 0.000 claims description 13
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
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- 238000005530 etching Methods 0.000 description 3
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
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- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001039 wet etching Methods 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
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- 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
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
【解決手段】表示装置は、基板と、基板上の層間絶縁層と、層間絶縁層上の金属層と、金属層上の発光素子と、を含み、層間絶縁層は、複数の第1凹部を含み、金属層は、発光素子と接合する第1領域と、第1領域を囲む第2領域と、を含み、第2領域において、複数の第2凹部が、複数の第1凹部に沿って設けられている。また、表示装置は、基板と、基板上の層間絶縁層と、層間絶縁層上の金属層と、金属層上の発光素子と、を含み、層間絶縁層は、複数の第1凸部を含み、金属層は、発光素子と接合する第1領域と、第1領域を囲む第2領域と、を含み、第2領域において、複数の第2凸部が、複数の第1凸部に沿って設けられている。
【選択図】図1
Description
図1および図2を用いて、本発明の一実施形態に係る表示装置10について説明する。
図1は、本発明の一実施形態に係る表示装置10の概略断面図である。具体的には、図1は、表示装置10の画素を含むように切断された断面図である。
図3Aおよび図3Bは、本発明の一実施形態に係る表示装置10Aの概略部分拡大図および概略平面図である。具体的には、図3は、図1に示す破線で囲まれた領域11に対応する表示装置10Aの領域11Aの部分拡大図である。なお、図3Bでは、便宜上、発光素子200上の第2接続電極210が省略されている。
図4Aおよび図4Bは、本発明の一実施形態に係る表示装置10Bの概略部分拡大図および概略平面図である。具体的には、図4は、図1に示す破線で囲まれた領域11に対応する表示装置10Bの領域11Bの部分拡大図である。なお、図4Bでは、便宜上、発光素子200上の第2接続電極210が省略されている。
図5Aおよび図5Bは、本発明の一実施形態に係る表示装置10Cの概略部分拡大図および概略平面図である。具体的には、図5は、図1に示す破線で囲まれた領域11に対応する表示装置10Cの領域11Cの部分拡大図である。なお、図5Bでは、便宜上、発光素子200上の第2接続電極210が省略されている。
図6を用いて、本発明の一実施形態に係る表示装置10の作製方法について説明する。
図7A〜図7Cは、本発明の一実施形態に係る表示装置10の作製方法の各ステップにおける表示装置10の概略部分拡大図である。具体的には、図7A〜図7Cは、作製方法の各ステップにおける図1に示す破線で囲まれた領域11の部分拡大図である。なお、図7A〜図7Cでは、層間絶縁層170より下方の層を省略している。層間絶縁層170より下方の層は、通常の方法で作製することができる。
図8Aおよび図8Bは、本発明の一実施形態に係る表示装置10の作製方法の各ステップにおける表示装置10の概略部分拡大図である。具体的には、図8Aおよび図8Bは、作製方法の各ステップにおける図1に示す破線で囲まれた領域11の部分拡大図である。なお、図8Aおよび図8Bでは、層間絶縁層170より下方の層を省略している。層間絶縁層170より下方の層は、通常の方法で作製することができる。
Claims (19)
- 基板と、
前記基板上の層間絶縁層と、
前記層間絶縁層上の金属層と、
前記金属層上の発光素子と、を含み、
前記層間絶縁層は、複数の第1凹部を含み、
前記金属層は、前記発光素子と接合する第1領域と、前記第1領域を囲む第2領域と、を含み、
前記第2領域において、複数の第2凹部が、前記複数の第1凹部に沿って設けられている表示装置。 - 前記第2凹部の断面形状は、円形、楕円形、または多角形である請求項1に記載の表示装置。
- 前記第2凹部の開口径は、1μm以上10μm以下である請求項1または請求項2に記載の表示装置。
- 前記複数の第2凹部のピッチは、1μm以上10μm以下である請求項1乃至請求項3のいずれか一項に記載の表示装置。
- 前記複数の第2凹部のピッチは、発光素子から離れるにしたがって小さくなる請求項1乃至請求項4のいずれか一項に記載の表示装置。
- 前記層間絶縁層は、さらに、複数の第3凸部を含み、
前記金属層は、さらに、前記第2領域を囲む第3領域を含み、
前記第3領域において、複数の第4凸部が、前記複数の第3凸部に沿って設けられている請求項1乃至請求項5のいずれか一項に記載の表示装置。 - 基板と、
前記基板上の層間絶縁層と、
前記層間絶縁層上の金属層と、
前記金属層上の発光素子と、を含み、
前記層間絶縁層は、複数の第1凸部を含み、
前記金属層は、前記発光素子と接合する第1領域と、前記第1領域を囲む第2領域と、を含み、
前記第2領域において、複数の第2凸部が、前記複数の第1凸部に沿って設けられている表示装置。 - 前記第2凸部の断面形状は、円形、楕円形、または多角形である請求項7に記載の表示装置。
- 前記第2凸部の高さは、0.2μm以上10μm以下である請求項7または請求項8に記載の表示装置。
- 前記複数の第2凹部のピッチは、1μm以上10μm以下である請求項7乃至請求項9のいずれか一項に記載の表示装置。
- 前記複数の第2凸部の間のピッチは、発光素子から離れるにしたがって小さくなる請求項7乃至請求項10のいずれか一項に記載の表示装置。
- 前記複数の第2凸部の高さは、発光素子から離れるにしたがって大きくなる請求項7乃至請求項11のいずれか一項に記載の表示装置。
- 基板と、
前記基板上の層間絶縁層と、
前記層間絶縁層上の金属層と、
前記金属層上の発光素子と、を含み、
前記層間絶縁層は、複数の第1溝部を含み、
前記金属層は、前記発光素子と接合する第1領域と、前記第1領域を囲む第2領域と、を含み、
前記第2領域において、複数の第2溝部が、前記複数の第1溝部に沿って設けられている表示装置。 - 前記第2溝部の側面は、テーパーを有する請求項13に記載の表示装置。
- 前記第2溝部の深さは、0.2μm以上10μm以下である請求項13または請求項14に記載の表示装置。
- 前記複数の第2溝部のピッチは、発光素子から離れるにしたがって小さくなる請求項13乃至請求項15のいずれか一項に記載の表示装置。
- 前記層間絶縁層の材料は、感光性有機樹脂である請求項1乃至請求項16のいずれか一項に記載の表示装置。
- 前記層間絶縁層の材料は、無機絶縁材料である請求項1乃至請求項16のいずれか一項に記載の表示装置。
- 前記発光素子は、マイクロLEDである請求項1乃至請求項18のいずれか一項に記載の表示装置。
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DE102020210774.2A DE102020210774A1 (de) | 2019-08-29 | 2020-08-26 | Anzeigegerät |
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TWI797768B (zh) * | 2021-10-06 | 2023-04-01 | 友達光電股份有限公司 | 可拉伸基板以及可拉伸顯示裝置 |
CN114220904B (zh) * | 2021-12-12 | 2023-09-26 | 武汉华星光电半导体显示技术有限公司 | 显示面板 |
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TW202114471A (zh) | 2021-04-01 |
US20210066564A1 (en) | 2021-03-04 |
DE102020210774A1 (de) | 2021-03-04 |
JP7317635B2 (ja) | 2023-07-31 |
CN112447689A (zh) | 2021-03-05 |
US11581462B2 (en) | 2023-02-14 |
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