KR0145280B1 - 액티브매트릭스 액정표시장치 - Google Patents
액티브매트릭스 액정표시장치Info
- Publication number
- KR0145280B1 KR0145280B1 KR1019930001675A KR930001675A KR0145280B1 KR 0145280 B1 KR0145280 B1 KR 0145280B1 KR 1019930001675 A KR1019930001675 A KR 1019930001675A KR 930001675 A KR930001675 A KR 930001675A KR 0145280 B1 KR0145280 B1 KR 0145280B1
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- active matrix
- light blocking
- crystal display
- film
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 109
- 239000011159 matrix material Substances 0.000 title claims description 103
- 239000010408 film Substances 0.000 claims description 225
- 239000000758 substrate Substances 0.000 claims description 124
- 230000000903 blocking effect Effects 0.000 claims description 59
- 239000010409 thin film Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000003071 parasitic effect Effects 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000009825 accumulation Methods 0.000 abstract description 15
- 230000007423 decrease Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000011521 glass Substances 0.000 description 29
- 229910021417 amorphous silicon Inorganic materials 0.000 description 15
- 229910004205 SiNX Inorganic materials 0.000 description 12
- 238000004544 sputter deposition Methods 0.000 description 8
- 239000004642 Polyimide Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/136213—Storage capacitors associated with the pixel electrode
-
- 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
- G02F1/136218—Shield electrodes
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/40—Arrangements for improving the aperture ratio
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (16)
- 액티브 매트릭스 기판으로, 복수의 평생 주사선; 상기 주사선과 교차하는 복수의 평행 신호선; 두 인접 주사선과 두 인접 신호선에 의해 한정되는 기판부에 각각 형성된 화소 전극; 각각이 대응 화소 전극, 대응 주사선 및 대응 신호선에 접속된 스위칭 소자; 및 각 쌍이 상기 주사선을 따라 누출되는 광을 차단하기 위해 각 주사선의 양측을 따라 제공되는 제1차광막쌍;을 갖는 액티브 매트릭스 기판; 대향 기판으로, 대향 전극; 및 상기 제1 차광막에 의해 차단되지 않은 누축광을 차단하기 위한 제2 차광막;을 갖고 상기 액티브 매트릭스 기판에 대향한 대향 기판; 및 상기 액티브 매트릭스 기판과 상기 대향 기판 사이의 액정층; 을 포함하고, 상기 스위칭 소자는 박막 트랜지스터이고, 각 박막 트랜지스터의 드레인은 상기 제1 차광막쌍 중 하나로도 기능하는 액티브 매트릭스 액정 표시 장치.
- 제1항에 있어서, 상기 제1 차광막 중 어느 것도 상기 주사선과 중첨되지 않는 액티브 매트릭스 액정 표시 장치.
- 제2항에 있어서, 상기 제2 차광막은 (1) 상게 제1 차광막쌍과 그 상기에 개재된 상기 주사선 사이의 갭; 및 (2) 상기 화소 전극과 상기 주사선 사이의 갭;중 더 작은 것을 덮는 액티브 매트릭스 액정 표시 장치.
- 제1항에 있어서, 상기 신호선은 상기 제1 차광막용으로 사용되는 형태의 재료로 형성되는 액티브 매트릭스 액정 표시 장치.
- 액티브 매트릭스 기판으로, 복수의 평생 주사선; 상기 주사선과 교차하는 복수의 평행 신호선; 두인접 주사선과 두 인접 신호선에 의해 한정되는 기판부에 각각 형성된 화소 전극; 각각이 대응 화소 전극, 대응 주사선 및 대응 신호선에 접속된 스위칭 소자; 및 각각이 상기 주사선을 따라 누출되는 광을 차단하기 위해 인접한 화소 전극과 중첩하도록 형성된 제1 차광막;을 갖는 액티브 매트릭스 기판; 상기 주사선에 전기적으로 접속된 대향 전극을 갖고 상기 액티브 매트릭스 기판에 대향한 대향 기판; 및 상기 액티브 매트릭스 기판과 상기 대향 기판 사이의 액정층;을 포함하는 액티브 매트릭스 액정 표시 장치.
- 제5항에 있어서, 상기 주사선을 가로질러 상기 차광막에 각각 대향한 제2 차광막을 더 포함하는 액티브 매트릭스 액정 표시 장치.
- 제6항에 있어서, 상기 스위칭 소자는 박막 트랜지스터이고, 각 박막 트랜지스터의 드레인은 상기 제2 차광막으로도 기능하는 액티브 매트릭스 액정 표시 장치.
- 제7항에 있어서, 동일한 화소 전극과 중첩하는 제2 차광막과 제1 차광막은 서로 전기적으로 접속되는 액티브 매트릭스 액정 표시 장치.
- 제8항에 있어서, 상기 제1 차광막과 상기 제2 차광막을 접속하기 위한 접속 수단을 더 포함하는 액티브 매트릭스 액정 표시 장치.
- 제9항에 있어서, 상기 접속 수단은 투명 도전막으로 형성되는 액티브 매트릭스 액정 표시 장치
- 제8항에 있어서, 상기 제1 차광막과 상기 제2 차광막은 일체로 되는 액티브 매트릭스 액정 표시 장치.
- 제5항에 있어서, 상기 신호선은 상기 제1 차광막용으로사용되는 형태의 재료로 형성되는 액티브 매트릭스 액정 표시 장치.
- 제6항에 있어서, 상기 신호선, 상기 제1 차광막 및 상기 제2 차광막은 동일한 형태의 재료로 형성되는 액티브 매트릭스 액정 표시 장치.
- 제6항에 있어서, 상기 제2 차광막 중의 어느 것도 상기 주사선과 중첩되지 않으며, 상기 대향 기판은 (1) 상기 제2 차광막과 상기 주사선 사이의 갭; 및(2) 상기 화소 전극과 상기 주사선 사이의 갭;중 더 작은 것을 덮는 제3차광막을 더 포함하는 액티브 매트릭스 액정 표시 장치.
- 제14항에 있어서, 상기 스위칭 소자는 박막 트랜지스터이고, 각 박막 트랜지스터의 드레인은 상기 제2 차광막으로도 기능하는 액티브 매트릭스 액정 표시 장치.
- 제15항에 있어서, 동일한 화소 전극과 중첩하는 상기 제2 차광막과 상기 제1 차광막은 서로 전기적으로 접속되는 액티브 매트릭스 액정 표시 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2291192A JP2869238B2 (ja) | 1992-02-07 | 1992-02-07 | アクティブマトリクス型液晶表示装置 |
JP92-22911 | 1992-02-07 | ||
JP92-103191 | 1992-04-22 | ||
JP10319192A JPH05297346A (ja) | 1992-04-22 | 1992-04-22 | アクティブマトリクス型液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930018301A KR930018301A (ko) | 1993-09-21 |
KR0145280B1 true KR0145280B1 (ko) | 1998-07-15 |
Family
ID=26360205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930001675A KR0145280B1 (ko) | 1992-02-07 | 1993-02-06 | 액티브매트릭스 액정표시장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5459595A (ko) |
EP (1) | EP0555100B1 (ko) |
KR (1) | KR0145280B1 (ko) |
DE (1) | DE69316399T2 (ko) |
TW (1) | TW237525B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101041089B1 (ko) * | 2003-06-06 | 2011-06-13 | 삼성전자주식회사 | 액정 디스플레이를 위한 대안적인 박막 트랜지스터 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100359792B1 (ko) * | 1993-12-30 | 2003-11-17 | 엘지.필립스 엘시디 주식회사 | 액티브매트릭스액정표시장치 |
JPH07311392A (ja) * | 1994-03-24 | 1995-11-28 | Sharp Corp | 液晶表示装置 |
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JPS5961818A (ja) * | 1982-10-01 | 1984-04-09 | Seiko Epson Corp | 液晶表示装置 |
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-
1993
- 1993-02-04 US US08/013,642 patent/US5459595A/en not_active Expired - Lifetime
- 1993-02-06 KR KR1019930001675A patent/KR0145280B1/ko not_active IP Right Cessation
- 1993-02-06 TW TW082100821A patent/TW237525B/zh not_active IP Right Cessation
- 1993-02-08 DE DE69316399T patent/DE69316399T2/de not_active Expired - Lifetime
- 1993-02-08 EP EP93300889A patent/EP0555100B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101041089B1 (ko) * | 2003-06-06 | 2011-06-13 | 삼성전자주식회사 | 액정 디스플레이를 위한 대안적인 박막 트랜지스터 |
Also Published As
Publication number | Publication date |
---|---|
EP0555100A1 (en) | 1993-08-11 |
DE69316399T2 (de) | 1998-07-23 |
KR930018301A (ko) | 1993-09-21 |
DE69316399D1 (de) | 1998-02-26 |
US5459595A (en) | 1995-10-17 |
TW237525B (ko) | 1995-01-01 |
EP0555100B1 (en) | 1998-01-21 |
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