JP6405086B2 - 画素ユニット構造、アレー基板及び表示装置 - Google Patents
画素ユニット構造、アレー基板及び表示装置 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims description 37
- 239000003990 capacitor Substances 0.000 claims description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 13
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 133
- 239000004973 liquid crystal related substance Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
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- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78633—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device with a light shield
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Description
各前記画素ユニット構造の第一の遮蔽層がそれぞれ、前記アレー基板の共通電極に接続する、或いは、
各前記画素ユニット構造の第一の遮蔽層が、直列連結して共に前記アレー基板の共通電極に接続する。
本発明により提供された画素ユニット構造において、第一の遮蔽層は、アクチブ層の、画素電極と接続するドレインとの間でキャパシターを形成することができるため、画素ユニット構造中のストレージキャパシターが実現される。また、前記ドレインとともにストレージキャパシターを形成する第一の遮蔽層が、画素電極に接続するドレインと対向しているため、前記画素ユニット構造の開口率に影響を与えることなく、前記画素ユニット構造の高開口率が保証される。
本発明実施例は画素ユニット構造を提供し、図1に示すように、該画素ユニット構造は、薄膜トランジスタTFTと、第一の遮蔽層とを含み、前記第一の遮蔽層がTFTアクチブ層のドレイン領域と対向し、且つアレー基板の共通電極に接続して、前記アクチブ層のドレイン領域との間でキャパシターを形成する。
本発明実施例は画素ユニット構造を提供し、実施例一を元にし、図3に示すように、前記画素ユニット構造は、更に、前記第一の遮蔽層1と同一層に位置する第二の遮蔽層10を含んでよく、前記第二の遮蔽層10が、前記アクチブ層3における、ドレイン領域以外の他の領域と対向する。
2 第一の絶縁層
3 アクチブ層
4 第二の絶縁層
5 グリッド
6 ソース
7 ドレイン
8 第三の絶縁層
9 画素電極
10 第二の遮蔽層
11 第四の絶縁層
12 共通電極層
13 第五の絶縁層
14 ビアホール
15 ベース基板
Claims (10)
- 薄膜トランジスタと第一の遮蔽層とを含む画素ユニット構造であって、前記第一の遮蔽層が薄膜トランジスタのアクチブ層のドレイン領域と対向し、且つアレー基板の共通電極に接続し、前記アクチブ層のドレイン領域との間でキャパシターを形成し、前記薄膜トランジスタは、第一の絶縁層を含み、前記第一の遮蔽層の前記第一の絶縁層における投影領域が、前記ドレイン領域の前記第一の絶縁層における投影領域と完全に重なっている、ことを特徴とする画素ユニット構造。
- 前記薄膜トランジスタは、前記アクチブ層と、第二の絶縁層と、グリッドと、同一層に位置するソース及びドレインとを更に含み、
前記ソースが前記画素ユニット構造のデータ線と前記アクチブ層のソース領域を連接し、前記ドレインが前記画素ユニット構造の画素電極と前記アクチブ層のドレイン領域を連接する、ことを特徴とする請求項1に記載の画素ユニット構造。 - 更に、前記第一の遮蔽層と同一層に位置する第二の遮蔽層を含み、前記第二の遮蔽層が、前記アクチブ層における、ドレイン領域以外の他の領域と対向する、ことを特徴とする請求項1に記載の画素ユニット構造。
- 前記画素ユニット構造は、
第三の絶縁層と、前記第三の絶縁層に順次に設けられた第四の絶縁層、共通電極層、第五の絶縁層及び画素電極とを、或いは、第三の絶縁層と、前記第三の絶縁層に順次に設けられた第四の絶縁層、画素電極、第五の絶縁層、共通電極層とを更に含み、
前記第三の絶縁層、第四の絶縁層及び第五の絶縁層は何れもビアホールを有し、各前記ビアホールには導電材が充填され、各前記ビアホールに充填された導電材が相互に接続しており、
前記ドレインが前記相互接続の導電材を介して前記画素電極に接続している、ことを特徴とする請求項2に記載の画素ユニット構造。 - 前記アクチブ層が、交互に配置された単結晶シリコン又は低ドーピング処理された多結晶シリコン、及び高ドーピング処理された多結晶シリコンにより形成される、ことを特徴とする請求項1に記載の画素ユニット構造。
- 前記アクチブ層のソース領域とドレイン領域の材質が、高ドーピング処理された多結晶シリコンである、ことを特徴とする請求項5に記載の画素ユニット構造。
- 前記画素ユニット構造が少なくとも1個のグリッドを有し、前記アクチブ層における単結晶シリコン又は低ドーピング処理された多結晶シリコンが前記グリッドと対向する、ことを特徴とする請求項5項に記載の画素ユニット構造。
- 前記第一の遮蔽層と前記第二の遮蔽層が一体成形される、ことを特徴とする請求項3に記載の画素ユニット構造。
- ベース基板と、前記ベース基板に位置する複数の、請求項1〜8の何れか一項に記載の画素ユニット構造とを含むアレー基板であって、
各前記画素ユニット構造の第一の遮蔽層がそれぞれ、前記アレー基板の共通電極に接続する、或いは、
各前記画素ユニット構造の第一の遮蔽層が、直列連結して共に前記アレー基板の共通電極に接続する、ことを特徴とするアレー基板。 - 請求項9に記載のアレー基板を含む、ことを特徴とする表示装置。
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CN2012105011395A CN102981335A (zh) | 2012-11-15 | 2012-11-29 | 像素单元结构、阵列基板和显示装置 |
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TWI508269B (zh) * | 2013-06-20 | 2015-11-11 | Au Optronics Corp | 畫素結構 |
CN103489824B (zh) * | 2013-09-05 | 2016-08-17 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法与显示装置 |
CN104332473A (zh) * | 2014-08-29 | 2015-02-04 | 京东方科技集团股份有限公司 | 一种阵列基板、其制备方法、显示面板和显示装置 |
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CN104965362A (zh) * | 2015-06-04 | 2015-10-07 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法、显示装置 |
CN105185816A (zh) * | 2015-10-15 | 2015-12-23 | 京东方科技集团股份有限公司 | 阵列基板及其制造方法、显示装置 |
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US11600234B2 (en) | 2015-10-15 | 2023-03-07 | Ordos Yuansheng Optoelectronics Co., Ltd. | Display substrate and driving method thereof |
WO2021035416A1 (zh) | 2019-08-23 | 2021-03-04 | 京东方科技集团股份有限公司 | 显示装置及其制备方法 |
KR102438782B1 (ko) * | 2015-11-26 | 2022-09-01 | 엘지디스플레이 주식회사 | 표시장치와 이의 제조방법 |
KR102458907B1 (ko) * | 2015-12-29 | 2022-10-25 | 엘지디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
CN106526997A (zh) * | 2016-12-02 | 2017-03-22 | 厦门天马微电子有限公司 | 阵列基板、显示面板及显示装置 |
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