KR100248617B1 - 액티브매트릭스기판과 그 제조방법 및 액티브매트릭스형 액정표시장치 - Google Patents
액티브매트릭스기판과 그 제조방법 및 액티브매트릭스형 액정표시장치 Download PDFInfo
- Publication number
- KR100248617B1 KR100248617B1 KR1019930029432A KR930029432A KR100248617B1 KR 100248617 B1 KR100248617 B1 KR 100248617B1 KR 1019930029432 A KR1019930029432 A KR 1019930029432A KR 930029432 A KR930029432 A KR 930029432A KR 100248617 B1 KR100248617 B1 KR 100248617B1
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- South Korea
- Prior art keywords
- liquid crystal
- active matrix
- substrate
- pixel electrodes
- crystal display
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
-
- 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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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- 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)
Abstract
Description
Claims (18)
- 매트릭스형으로 배열한 복수의 화소전극을 포함하는 상측영역과, 개개의 화소전극과 결합하는 복수의 박막트랜지스터를 포함하는 하측영역과, 상측영역과 하측영역의 사이에 배열되어 하측영역의 표면을 평탄화하는 평탄화층으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제1항에 있어서, 상기 평탄화층은 투명수지막으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제1항에 있어서, 또한 인접화소전극 사이의 경계에 형성된 블랙마스크로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제3항에 있어서, 상기 블랙마스크는 하측영역에 형성된 배선으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제1항에 있어서, 또한 각각 대응하는 화소전극에 결합되는 복수의 컬러필터로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제5항에 있어서, 상기 컬러필터는 평탄화층으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판.
- 제5항에 있어서, 상기 컬러필터는 광투과영역에만 형성되는 것을 특징으로 하는 액티브매트릭스기판.
- 제7항에 있어서, 상기 평탄화층은 광투과영역상에 형성되는 것을 특징으로 하는 액티브매트릭스기판.
- 서로 평행으로 대면배치된 제1기판 및 제2기판과, 제1기판과 제2기판의 사이에 삽입된 액정층으로 이루어지는 액티브매트릭스형 액정표시장치에 있어서, 상기 제1기판은 매트릭스형으로 배열한 복수의 화소전극을 포함하는 상측영역과, 개개의 화소전극과 결합하는 복수의 박막트랜지스터를 포함하는 하측영역과, 상측영역과 하측영역의 사이에 배열되어 하측영역의 표면을 평탄화하는 평탄화층으로 이루어지는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 제9항에 있어서, 상기 인접화소전극 사이의 간격치수는 액정층의 두께치수보다 크게 설정한 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 제9항에 있어서, 또한 인접하는 화소전극을 서로 분리하는 분리수단으로 이루어지는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 제11항에 있어서, 상기 분리수단은 화소전극의 주위에 따라서 형성된 홈으로 이루어지는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 제12항에 있어서, 상기 홈은 평탄화층에 형성되는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 제9항에 있어서, 개개의 상기 화소전극이 좌우 대칭으로 형성되어 인접하는 화소전극 사이에서 매트릭스의 수직방향으로 발생한 횡방향 전계가 균일화되는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
- 기판상에 복수의 박막트랜지스터를 포함하는 제1영역을 형성하는 제1공정과, 제1영역표면의 요철을 평탄화층으로 메워서 평탄화하는 제2공정과, 평탄화층의 표면상에 복수의 화소전극을 포함하는 제2영역을 형성하는 제3공정으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판의 제조방법.
- 제15항에 있어서, 상기 제2공정은 액상의 투명수지를 도포한 후 경화하는 것을 특징으로 하는 액티브매트릭스기판의 제조방법.
- 제15항에 있어서, 또한 화소전극과 대응하는 박막트랜지스터를 콘택트홀을 통하여 전기접속하는 접속공정으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판의 제조방법.
- 제17항에 있어서, 상기 접속공정은 감광성수지로 이루어지는 평탄화층에 대해 포토리소그라피 및 에칭을 하여 콘택트홀을 개구하는 공정으로 이루어지는 것을 특징으로 하는 액티브매트릭스기판의 제조방법.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP92-359,187 | 1992-12-25 | ||
JP35918792 | 1992-12-25 | ||
JP93-189,081 | 1993-06-30 | ||
JP18908193A JPH0720496A (ja) | 1993-06-30 | 1993-06-30 | アクティブマトリクス型液晶表示装置 |
JP93-191,714 | 1993-07-05 | ||
JP19171293A JPH0720497A (ja) | 1993-07-05 | 1993-07-05 | アクティブマトリクス液晶表示装置 |
JP93-191,712 | 1993-07-05 | ||
JP5191714A JPH0720481A (ja) | 1993-07-05 | 1993-07-05 | アクティブマトリクス液晶表示装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100248617B1 true KR100248617B1 (ko) | 2000-03-15 |
Family
ID=27475422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930029432A Expired - Lifetime KR100248617B1 (ko) | 1992-12-25 | 1993-12-24 | 액티브매트릭스기판과 그 제조방법 및 액티브매트릭스형 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5585951A (ko) |
EP (1) | EP0603866B1 (ko) |
KR (1) | KR100248617B1 (ko) |
DE (1) | DE69332142T2 (ko) |
Cited By (1)
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1993
- 1993-12-22 EP EP93120727A patent/EP0603866B1/en not_active Expired - Lifetime
- 1993-12-22 DE DE69332142T patent/DE69332142T2/de not_active Expired - Lifetime
- 1993-12-23 US US08/172,644 patent/US5585951A/en not_active Expired - Lifetime
- 1993-12-24 KR KR1019930029432A patent/KR100248617B1/ko not_active Expired - Lifetime
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US7636136B2 (en) | 1996-04-12 | 2009-12-22 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device and method for fabricating thereof |
Also Published As
Publication number | Publication date |
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EP0603866A1 (en) | 1994-06-29 |
EP0603866B1 (en) | 2002-07-24 |
DE69332142D1 (de) | 2002-08-29 |
US5585951A (en) | 1996-12-17 |
DE69332142T2 (de) | 2003-03-06 |
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