JP7015321B2 - Toc型oledディスプレイの製造方法及びtoc型oledディスプレイ - Google Patents
Toc型oledディスプレイの製造方法及びtoc型oledディスプレイ Download PDFInfo
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- JP7015321B2 JP7015321B2 JP2019562558A JP2019562558A JP7015321B2 JP 7015321 B2 JP7015321 B2 JP 7015321B2 JP 2019562558 A JP2019562558 A JP 2019562558A JP 2019562558 A JP2019562558 A JP 2019562558A JP 7015321 B2 JP7015321 B2 JP 7015321B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 47
- 239000010410 layer Substances 0.000 claims description 175
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 85
- 239000011787 zinc oxide Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 230000004888 barrier function Effects 0.000 claims description 30
- 238000005530 etching Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 24
- 239000011247 coating layer Substances 0.000 claims description 22
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 17
- 239000011241 protective layer Substances 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 13
- 239000010409 thin film Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 5
- 229940007718 zinc hydroxide Drugs 0.000 claims description 5
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 5
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- -1 indium and gallium Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Description
前記ステップS1では、前記ベース基板はガラス基板であり、
前記平坦層、ゲート絶縁層、エッチングバリア層、及び保護層の材料はいずれも酸化ケイ素、窒化ケイ素、又は両方の組み合わせであり、
2 黒色マトリクス
3 カラーフィルター層
4 平坦層
5 ゲート
6 ゲート絶縁層
7 チャネル層
8 エッチングバリア層
10 保護層
11 陽極
12 画素定義層
13 OLED発光層
14 陰極
81 第1ビア
82 第2ビア
91 ソース
92 ドレイン
101 第3ビア
121 第4ビア
Claims (10)
- TOC型OLEDディスプレイの製造方法であって、
ベース基板を提供し、ベース基板に洗浄及びプリベークを行うステップS1と、
黒色遮光薄膜を堆積し、黒色遮光薄膜をパターニング処理し、黒色マトリクスを形成するステップS2と、
前記黒色マトリクス内に順に異なる色の色抵抗を堆積し、カラーフィルター層を形成するステップS3と、
前記カラーフィルター層の上に平坦層を堆積して形成するステップS4と、
前記平坦層の上に第1金属層を堆積し、第1金属層をパターニング処理し、ゲートを形成するステップS5と、
前記ゲートと平坦層の上にゲート絶縁層を堆積して被覆するステップS6と、
リチウムドープ酸化亜鉛溶液を配置し、配置したリチウムドープ酸化亜鉛溶液をゲート絶縁層の上にスピンコーティングしてリチウムドープ酸化亜鉛コーティング層を形成し、
次にリチウムドープ酸化亜鉛コーティング層をアニール処理し、さらにリチウムドープ酸化亜鉛コーティング層をパターニング処理し、チャネル層を形成するステップS7と、
エッチングバリア層を堆積し、且つエッチングバリア層をパターニング処理し、それぞれチャネル層の両側を露出させる第1ビア及び第2ビアを形成するステップS8と、
前記エッチングバリア層の上に第2金属層を堆積し、且つ第2金属層をパターニング処理し、ソース及びドレインを形成し、前記ソース、ドレインはそれぞれ第1ビア、第2ビアを経由してチャネル層の両側に接触するステップS9と、
前記エッチングバリア層、ソース、及びドレインの上に順に保護層、陽極、画素定義層、OLED発光層、及び陰極を製造するステップS10と、を含み、
前記ステップS1~前記ステップS10における温度条件が230℃未満である、TOC型OLEDディスプレイの製造方法。 - 前記ステップS1では、前記ベース基板はガラス基板である請求項1に記載のTOC型OLEDディスプレイの製造方法。
- 前記ステップS3では、前記異なる色の色抵抗は赤色抵抗、緑色抵抗、及び青色抵抗を含む請求項1に記載のTOC型OLEDディスプレイの製造方法。
- 前記平坦層、ゲート絶縁層、エッチングバリア層、及び保護層の材料はいずれも酸化ケイ素、窒化ケイ素、又は両方の組み合わせである請求項1に記載のTOC型OLEDディスプレイの製造方法。
- 前記第1金属層と第2金属層の材料はいずれもモリブデン、チタン、アルミニウム、銅のうちの1種又は複数種のスタック組み合わせである請求項1に記載のTOC型OLEDディスプレイの製造方法。
- 前記ステップS7では、水酸化リチウムと水酸化亜鉛を原料としてリチウムドープ酸化亜鉛溶液を配置する請求項1に記載のTOC型OLEDディスプレイの製造方法。
- 前記陽極の材料は酸化インジウム錫である請求項1に記載のTOC型OLEDディスプレイの製造方法。
- TOC型OLEDディスプレイの製造方法であって、
ベース基板を提供し、ベース基板に洗浄及びプリベークを行うステップS1と、
黒色遮光薄膜を堆積し、黒色遮光薄膜をパターニング処理し、黒色マトリクスを形成するステップS2と、
前記黒色マトリクス内に順に異なる色の色抵抗を堆積し、カラーフィルター層を形成するステップS3と、
前記カラーフィルター層の上に平坦層を堆積して形成するステップS4と、
前記平坦層の上に第1金属層を堆積し、第1金属層をパターニング処理し、ゲートを形成するステップS5と、
前記ゲートと平坦層の上にゲート絶縁層を堆積して被覆するステップS6と、
リチウムドープ酸化亜鉛溶液を配置し、配置したリチウムドープ酸化亜鉛溶液をゲート絶縁層の上にスピンコーティングしてリチウムドープ酸化亜鉛コーティング層を形成し、次にリチウムドープ酸化亜鉛コーティング層をアニール処理し、さらにリチウムドープ酸化亜鉛コーティング層をパターニング処理し、チャネル層を形成するステップS7と、
エッチングバリア層を堆積し、且つエッチングバリア層をパターニング処理し、それぞれチャネル層の両側を露出させる第1ビア及び第2ビアを形成するステップS8と、
前記エッチングバリア層の上に第2金属層を堆積し、且つ第2金属層をパターニング処理し、ソース及びドレインを形成し、前記ソース、ドレインはそれぞれ第1ビア、第2ビアを経由してチャネル層の両側に接触するステップS9と、
前記エッチングバリア層、ソース、及びドレインの上に順に保護層、陽極、画素定義層、OLED発光層、及び陰極を製造するステップS10と、を含み、
前記ステップS1~前記ステップS10における温度条件が230℃未満であり、
前記ステップS1では、前記ベース基板はガラス基板であり、
前記平坦層、ゲート絶縁層、エッチングバリア層、及び保護層の材料はいずれも酸化ケイ素、窒化ケイ素、又は両方の組み合わせであり、
前記第1金属層と第2金属層の材料はいずれもモリブデン、チタン、アルミニウム、銅のうちの1種又は複数種のスタック組み合わせであり、
前記ステップS7では、水酸化リチウムと水酸化亜鉛を原料としてリチウムドープ酸化亜鉛溶液を配置するTOC型OLEDディスプレイの製造方法。 - 前記ステップS3では、前記異なる色の色抵抗は赤色抵抗、緑色抵抗、及び青色抵抗を含む請求項8に記載のTOC型OLEDディスプレイの製造方法。
- 前記陽極の材料は酸化インジウム錫である請求項8に記載のTOC型OLEDディスプレイの製造方法。
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