JP5161263B2 - 平板表示装置及びその製造方法 - Google Patents
平板表示装置及びその製造方法 Download PDFInfo
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/411—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by materials, geometry or structure of the substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/451—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by the compositions or shapes of the interlayer dielectrics
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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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
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133357—Planarisation layers
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal (AREA)
Description
12a、212a 活性層、
12b、212b 下部電極、
13、213 ゲート絶縁層、
14a、14a ゲート電極、
14b、214b 上部電極、
15、215 層間絶縁膜、
16a、216a ソース電極、
16b、216b ドレイン電極、
17、217 平坦化層、
110 基板(第1の基板)、
114、224 薄膜トランジスタ、
115、218 画素電極、
117、227 キャパシタ、
120 基板(第2の基板)、
122 共通電極、
130 液晶層、
100、200 表示パネル、
210 基板、
219 画素定義膜、
220 有機発光層、
230 封止基板。
Claims (8)
- 基板と、
前記基板上に形成された薄膜トランジスタ及びキャパシタと、
前記基板と前記薄膜トランジスタの間及び前記基板と前記キャパシタの間にのみ形成されていて、前記薄膜トランジスタ及び前記キャパシタとそれぞれ垂直的に対応する位置に設けられた遮断層と、
前記薄膜トランジスタ及び前記キャパシタを含む前記基板上に形成され、前記薄膜トランジスタのソース電極又はドレイン電極が露出するようにビアホールが形成された平坦化層と、
前記平坦化層上に設けられ、前記ソース電極又はドレイン電極と連結された画素電極と、
を含み、
前記薄膜トランジスタは、前記遮断層上に前記遮断層と垂直的に対応する位置に形成され、ソース領域、ドレイン領域及びチャネル領域を含む活性層と、
前記活性層上に形成されたゲート絶縁層と、
前記チャネル領域の前記ゲート絶縁層上に形成されたゲート電極と、
前記ゲート電極を含む前記基板上に形成され、前記ソース領域及びドレイン領域の活性層が露出するようにコンタクトホールが形成された層間絶縁膜と、
前記層間絶縁膜上に形成され、前記コンタクトホールを介して前記ソース領域及びドレイン領域の活性層と連結されたソース電極及びドレイン電極と、を含み、
前記遮断層は前記基板及び前記活性層の間に形成され、前記遮断層の上部表面は前記活性層により完全に覆われおり、
前記遮断層はシリコン酸化膜及びシリコン窒化膜の積層構造であり、
前記活性層はポリシリコンであり、
前記キャパシタは、前記キャパシタと垂直的に対応する位置に設けられた前記遮断層上に形成された下部電極と、前記下部電極上に形成されている前記ゲート絶縁層を介して形成された上部電極とを含む、
ことを特徴とする平板表示装置。 - 前記基板上にマトリックス状で配列され、前記薄膜トランジスタと連結されたゲートライン及びデータラインを更に含むことを特徴とする請求項1に記載の平板表示装置。
- 前記基板を第1基板として、当該第1基板と対向するように配置された第2基板と、
前記第2基板上に形成された共通電極と、
前記第1基板及び前記第2基板の間に注入された液晶層と、をさらに含むことを特徴とする請求項1または2に記載の平板表示装置。 - 前記画素電極上に形成された有機発光層と、
前記有機発光層上に形成されたカソード電極と、をさらに含むことを特徴とする請求項1〜3のいずれか一つに記載の平板表示装置。 - 基板を提供する段階と、
前記基板上にシリコン酸化膜及びシリコン窒化膜の積層構造による遮断層を形成する段階と、
前記遮断層上に、素子形成領域の活性層及びキャパシタの下部電極をポリシリコンにより形成する段階と、
前記遮断層が前記活性層及び前記下部電極の下部にのみ配置されるように前記遮断層のうち、前記活性層及び前記下部電極から露出した部分を除去する段階と、
前記活性層及び前記下部電極を含む前記基板上にゲート絶縁層を形成する段階と、
前記活性層上部の前記ゲート絶縁層上にゲート電極、及び前記下部電極上部の前記ゲート絶縁層上に前記キャパシタの上部電極を形成する段階と、
前記ゲート電極及び前記上部電極を含む前記ゲート絶縁層上に層間絶縁膜を形成した後、前記活性層の一部を露出させる段階と、
前記層間絶縁膜上に前記活性層と連結されるようにソース電極及びドレイン電極を形成する段階と、
前記ソース電極及びドレイン電極を含む前記層間絶縁膜上に平坦化層を形成した後、前記ソース電極又はドレイン電極を露出させる段階と、
前記基板上の画素領域となる領域を含む前記平坦化層上に前記ソース電極又はドレイン電極と連結されるように画素電極を形成する段階と、
を含むことを特徴とする平板表示装置の製造方法。 - 前記遮断層を除去する段階は乾式エッチングで進めることを特徴とする請求項5に記載の平板表示装置の製造方法。
- 前記乾式エッチングは誘導結合プラズマエッチングであることを特徴とする請求項6に記載の平板表示装置の製造方法。
- 前記画素電極を含む前記平坦化層上に画素定義膜を形成する段階と、
前記画素定義膜をパターニングして発光領域となる部分の前記画素電極を露出させる段階と、
露出した前記画素電極上に有機発光層を形成する段階と、
前記有機発光層上にカソード電極を形成する段階と、
を更に含むことを特徴とする請求項5〜7のいずれか一つに記載の平板表示装置の製造方法。
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KR1020090100197A KR101056250B1 (ko) | 2009-10-21 | 2009-10-21 | 평판 표시 장치 및 그의 제조 방법 |
KR10-2009-0100197 | 2009-10-21 |
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JP2011090281A JP2011090281A (ja) | 2011-05-06 |
JP5161263B2 true JP5161263B2 (ja) | 2013-03-13 |
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US (1) | US8400589B2 (ja) |
JP (1) | JP5161263B2 (ja) |
KR (1) | KR101056250B1 (ja) |
CN (1) | CN102043296B (ja) |
TW (1) | TWI418909B (ja) |
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- 2010-06-02 US US12/792,639 patent/US8400589B2/en not_active Expired - Fee Related
- 2010-07-05 CN CN2010102220351A patent/CN102043296B/zh not_active Expired - Fee Related
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KR101056250B1 (ko) | 2011-08-11 |
KR20110043187A (ko) | 2011-04-27 |
TW201116914A (en) | 2011-05-16 |
TWI418909B (zh) | 2013-12-11 |
CN102043296B (zh) | 2013-03-06 |
US20110090438A1 (en) | 2011-04-21 |
CN102043296A (zh) | 2011-05-04 |
US8400589B2 (en) | 2013-03-19 |
JP2011090281A (ja) | 2011-05-06 |
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