JP7080643B2 - 表示装置 - Google Patents
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- JP7080643B2 JP7080643B2 JP2018000090A JP2018000090A JP7080643B2 JP 7080643 B2 JP7080643 B2 JP 7080643B2 JP 2018000090 A JP2018000090 A JP 2018000090A JP 2018000090 A JP2018000090 A JP 2018000090A JP 7080643 B2 JP7080643 B2 JP 7080643B2
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Classifications
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H—ELECTRICITY
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
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- H—ELECTRICITY
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Description
A 電源線PLについて、第1の配線層(first wiring layer)中に位置する第1電源供給線PL1と、第2の配線層(second wiring layer)中に位置する第2電源供給線PL1とが重ね合わされる構造とする。
B 第1の配線層(wiring layer)中では、第1の画素列の第1電源供給線PL1と、その隣の第2の画素列の第1電源供給線PL1とが、ゲート線方向の第1電源接続線PLM1により、梯子(はしご、ladder)状に接続される。
C 第2の配線層(second wiring layer)中では、第2の画素列の第2電源供給線PL2と、そのさらに隣の第3の画素列の第2電源供給線PL2とが、ゲート線方向の第2電源接続線PLM2により、梯子(はしご、ladder)状に接続される。
D このようにして、表示面の全体では、梯子状の第1電源供給線PL1及び第1電源接続線PLM1と、梯子状の第2電源供給線PL2及び第2電源接続線PLM2とが、平面視で、メッシュ状をなす。
E 各画素列の一側に沿って延びる第1サブデータ線Djaを第1の配線層(first wiring layer)中に設け、各画素列の他側に沿って延びる第2サブデータ線Djbを第2の配線層(first wiring layer)中に設け、画素列の画素に、交互に、第1サブデータ線Dja及び第2サブデータ線Djbより、データ信号を印加する。
F 特には、画素列間にて、互いに近接して配置される第1サブデータ線Djaと第2サブデータ線Djbとに、同時にデータ信号を印加することで、カップリングノイズを低減する。
Claims (23)
- 第1方向に沿って配列された画素を含み、これらの画素が、前記第1方向に交差する第2方向に沿って繰り返し配列されることで形成された画素行と、
前記第2方向に沿って配列された画素を含み、これらの画素が、前記第1方向に沿って繰り返し配列されることで形成された画素列と、
前記画素列ごとに備えられ、前記各画素列の一側に設けられた第1サブデータ線、及び前記各画素列の他側に設けられた第2サブデータ線を含み、前記画素列の画素には前記第1サブデータ線または前記第2サブデータ線が接続されるデータ線と、
前記画素行ごとに備えられ、前記第1方向に沿って延長され、前記画素行の各画素に接続される走査線と、
前記画素に駆動電源を供給する電源線とを含み、
前記画素列中の一の画素は前記第1サブデータ線に接続され、前記一の画素に対して、前記第1方向または前記第2方向から隣接する他の一の画素は、前記第2サブデータ線に接続され、
前記第1サブデータ線と前記第2サブデータ線とは、互いに異なる配線層中に設けられ、
各画素列の画素は、画素列に沿って、交互に前記第1サブデータ線及び前記第2サブデータ線に接続され、
一の画素列の画素に接続される前記第1サブデータ線または前記第2サブデータ線と、その隣の画素列の画素に接続される前記第2サブデータ線または前記第1サブデータ線とが近接して配置され、
このように互いに隣接する前記第1サブデータ線と前記第2サブデータ線とに、同時にデータ信号が入力される表示装置。 - 前記電源線は、前記各画素列中にて、前記第1サブデータ線と前記第2サブデータ線との間に設けられることを特徴とする請求項1に記載の表示装置。
- 前記画素は、少なくとも1つのトランジスタ、及び前記トランジスタに接続される表示素子を含み、
前記トランジスタは、基板上に設けられたアクティブパターン、前記アクティブパターンにそれぞれ接続されたソース電極及びドレイン電極、ゲート絶縁膜を介して前記アクティブパターン上に設けられたゲート電極、及び、複数層の層間絶縁膜を含み、複数層の層間絶縁膜は、前記ゲート電極を含む配線層を覆う第1層間絶縁膜、この上の配線層を覆う第2層間絶縁膜、及び、さらにこの上の配線層を覆う第3層間絶縁膜を備え、
前記表示素子は、前記ドレイン電極に接続されることを特徴とする請求項2に記載の表示装置。 - 前記第1サブデータ線及び前記第2サブデータ線の一方は、前記第2層間絶縁膜上に設けられ、
前記第1サブデータ線及び前記第2サブデータ線の他方は、前記第3層間絶縁膜上に設けられることを特徴とする請求項3に記載の表示装置。 - 第1方向に沿って配列された画素を含み、これらの画素が、前記第1方向に交差する第2方向に沿って繰り返し配列されることで形成された画素行と、
前記第2方向に沿って配列された画素を含み、これらの画素が、前記第1方向に沿って繰り返し配列されることで形成された画素列と、
前記画素列ごとに備えられ、前記各画素列の一側に設けられた第1サブデータ線、及び前記各画素列の他側に設けられた第2サブデータ線を含み、前記画素列の画素には前記第1サブデータ線または前記第2サブデータ線が接続されるデータ線と、
前記画素行ごとに備えられ、前記第1方向に沿って延長され、前記画素行の各画素に接続される走査線と、
前記画素に駆動電源を供給する電源線とを含み、
前記画素列中の一の画素は前記第1サブデータ線に接続され、前記一の画素に対して、前記第1方向または前記第2方向から隣接する他の一の画素は、前記第2サブデータ線に接続され、
前記第1サブデータ線と前記第2サブデータ線とは、互いに異なる配線層中に設けられ、
前記電源線は、前記各画素列中にて、前記第1サブデータ線と前記第2サブデータ線との間に設けられ、
前記画素は、少なくとも1つのトランジスタ、及び前記トランジスタに接続される表示素子を含み、
前記トランジスタは、基板上に設けられたアクティブパターン、前記アクティブパターンにそれぞれ接続されたソース電極及びドレイン電極、ゲート絶縁膜を介して前記アクティブパターン上に設けられたゲート電極、及び、複数層の層間絶縁膜を含み、複数層の層間絶縁膜は、前記ゲート電極を含む配線層を覆う第1層間絶縁膜、この上の配線層を覆う第2層間絶縁膜、及び、さらにこの上の配線層を覆う第3層間絶縁膜を備え、
前記表示素子は、前記ドレイン電極に接続され、
前記第1サブデータ線及び前記第2サブデータ線の一方は、前記第2層間絶縁膜上に設けられ、
前記第1サブデータ線及び前記第2サブデータ線の他方は、前記第3層間絶縁膜上に設けられ、
前記電源線は、前記各画素列中にて、互いに異なる配線層中に設けられるとともに互いに重なり合う第1電源供給線及び第2電源供給線を含むことを特徴とする表示装置。 - 前記第1電源供給線及び前記第2電源供給線の一方は、前記第2層間絶縁膜上に設けられ、
前記第1電源供給線及び前記第2電源供給線の他方は、前記第3層間絶縁膜上に設けられ、
前記第1電源供給線と前記第2電源供給線とは、コンタクトホールを介して接続されることを特徴とする請求項5に記載の表示装置。 - 一の画素列中の第1電源供給線と、前記一の画素列に隣接する他の一の画素列中の第1電源供給線とは、第1電源接続線を介して接続され、
前記第1電源接続線は、前記第1電源供給線と同じ配線層中に設けられることを特徴とする請求項6に記載の表示装置。 - 前記第1電源供給線及び前記第1電源接続線は、前記第2層間絶縁膜上に設けられ、前記第1電源接続線は、前記第3層間絶縁膜上に設けられるデータ線と交差することを特徴とする請求項7に記載の表示装置。
- 一の画素列中の第2電源供給線と、前記一の画素列に隣接する他の一の画素列中の第2電源供給線とは、第2電源接続線を介して接続され、
前記第2電源接続線は、前記第2電源供給線と同じ配線層中に設けられることを特徴とする請求項7に記載の表示装置。 - 前記第2電源供給線及び前記第2電源接続線は、前記第3層間絶縁膜上に設けられ、前記第2電源接続線は、前記第2層間絶縁膜上に設けられるデータ線と交差することを特徴とする請求項9に記載の表示装置。
- 前記ゲート絶縁膜上に設けられる下部電極、及び前記第1層間絶縁膜上に設けられる上部電極を含むストレージキャパシタをさらに含むことを特徴とする請求項4に記載の表示装置。
- 前記第2層間絶縁膜上に設けられるものであって、前記ドレイン電極と前記表示素子とを電気的に接続するための第1ブリッジパターンをさらに含むことを特徴とする請求項11に記載の表示装置。
- 前記第3層間絶縁膜上に設けられるものであって、前記第1ブリッジパターンと前記表示素子を電気的に接続するための第2ブリッジパターンをさらに含むことを特徴とする請求項12に記載の表示装置。
- 前記表示素子は、前記第3層間絶縁膜上の第4層間絶縁膜上に設けられる第1電極、前記第1電極上に設けられる発光層、及び前記発光層上に設けられる第2電極を含み、
前記第1電極は、前記第4層間絶縁膜を貫通するコンタクトホールを介して前記第2ブリッジパターンに接続されることを特徴とする請求項13に記載の表示装置。 - 第1方向に沿って配列された画素を含み、これらの画素が、前記第1方向に交差する第2方向に沿って繰り返し配列されることで形成された画素行と、
前記第2方向に沿って配列された画素を含み、これらの画素が、前記第1方向に沿って繰り返し配列されることで形成された画素列と、
前記画素列ごとに備えられ、前記各画素列の一側に設けられた第1サブデータ線、及び前記各画素列の他側に設けられた第2サブデータ線を含み、前記画素列の画素には前記第1サブデータ線または前記第2サブデータ線が接続されるデータ線と、
前記画素行ごとに備えられ、前記第1方向に沿って延長され、前記画素行の各画素に接続される走査線と、
前記画素に駆動電源を供給する電源線とを含み、
前記画素列中の一の画素は前記第1サブデータ線に接続され、前記一の画素に対して、前記第1方向または前記第2方向から隣接する他の一の画素は、前記第2サブデータ線に接続され、
前記第1サブデータ線と前記第2サブデータ線とは、互いに異なる配線層中に設けられ、
前記電源線は、前記各画素列中にて、前記第1サブデータ線と前記第2サブデータ線との間に設けられ、
前記画素は、少なくとも1つのトランジスタ、及び前記トランジスタに接続される表示素子を含み、
前記トランジスタは、基板上に設けられたアクティブパターン、前記アクティブパターンにそれぞれ接続されたソース電極及びドレイン電極、ゲート絶縁膜を介して前記アクティブパターン上に設けられたゲート電極、及び、複数層の層間絶縁膜を含み、複数層の層間絶縁膜は、前記ゲート電極を含む配線層を覆う第1層間絶縁膜、この上の配線層を覆う第2層間絶縁膜、及び、さらにこの上の配線層を覆う第3層間絶縁膜を備え、
前記表示素子は、前記ドレイン電極に接続され、
前記第1サブデータ線及び前記第2サブデータ線の一方は、前記第2層間絶縁膜上に設けられ、
前記第1サブデータ線及び前記第2サブデータ線の他方は、前記第3層間絶縁膜上に設けられ、
互いに隣接する2つの画素列の間に位置する前記第1サブデータ線及び前記第2サブデータ線は、前記2つの画素列のうちの互いに異なる画素列に接続され、同じ配線層中に設けられることを特徴とする表示装置。 - 前記互いに隣接する2つの画素列に接続された4つのサブデータ線のうち、互いに最も遠くに位置する2つのサブデータ線は、同じ画素行に位置した画素に接続されることを特徴とする請求項15に記載の表示装置。
- 前記互いに最も遠く位置する2つのサブデータ線は、同じ配線層中に設けられることを特徴とする請求項16に記載の表示装置。
- 前記互いに隣接する2つの画素列に接続された4つのサブデータ線のうち、互いに隣接する2つのサブデータ線は、同じ画素行に位置した画素に接続されることを特徴とする請求項16に記載の表示装置。
- 前記互いに隣接する2つのサブデータ線は、同じ配線層中に設けられることを特徴とする請求項18に記載の表示装置。
- 前記互いに最も遠く位置する2つのサブデータ線と、前記互いに隣接する2つのサブデータ線とは、互いに異なる配線層中に設けられることを特徴とする請求項18に記載の表示装置。
- 出力線を介して前記データ線にデータ信号を供給するデータ駆動部と、
前記出力線と前記データ線との間に接続されるデマルチプレクサーと、をさらに含むことを特徴とする請求項18に記載の表示装置。 - 前記デマルチプレクサーは、前記第1サブデータ線及び前記第2サブデータ線に前記データ信号を時分割的に伝達することを特徴とする請求項21に記載の表示装置。
- 互いに隣接する2つの画素列の間に位置する前記第1サブデータ線及び前記第2サブデータ線は、互いに異なるデマルチプレクサーに接続され、同じ期間の間、データ信号の入力を受けることを特徴とする請求項22に記載の表示装置。
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TWI784998B (zh) | 2022-12-01 |
CN108269834B (zh) | 2023-08-22 |
US10553663B2 (en) | 2020-02-04 |
US10910463B2 (en) | 2021-02-02 |
TW201833890A (zh) | 2018-09-16 |
US20180190750A1 (en) | 2018-07-05 |
CN108269834A (zh) | 2018-07-10 |
JP2018109769A (ja) | 2018-07-12 |
EP3346502B1 (en) | 2021-08-04 |
US20210151547A1 (en) | 2021-05-20 |
EP3346502A1 (en) | 2018-07-11 |
US20200176545A1 (en) | 2020-06-04 |
KR20180080741A (ko) | 2018-07-13 |
US11222942B2 (en) | 2022-01-11 |
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