KR100928918B1 - 액정 표시 소자 및 그 제조방법 - Google Patents
액정 표시 소자 및 그 제조방법 Download PDFInfo
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- KR100928918B1 KR100928918B1 KR1020020066657A KR20020066657A KR100928918B1 KR 100928918 B1 KR100928918 B1 KR 100928918B1 KR 1020020066657 A KR1020020066657 A KR 1020020066657A KR 20020066657 A KR20020066657 A KR 20020066657A KR 100928918 B1 KR100928918 B1 KR 100928918B1
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- 239000002105 nanoparticle Substances 0.000 claims abstract description 22
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
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- 238000004528 spin coating Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- 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
- G02F1/133345—Insulating layers
-
- 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
- G02F1/133553—Reflecting elements
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- 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
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
Abstract
Description
Claims (14)
- 기판 상에 형성된 박막트랜지스터와;상기 기판 및 박막 트랜지스터 전면에 형성된 보호막과;상기 보호막 상에 형성되고, 적어도 한층 이상의 나노(nano) 크기의 입자들로 이루어진 요철층을 가지는 반사판을 포함하는 것을 특징으로 하는 액정 표시 소자.
- 제 1항에 있어서, 상기 박막 트랜지스터는 게이트 전극과;상기 게이트 전극 상에 형성된 게이트 절연막과;상기 게이트 전극 상부 및 상기 게이트 절연막 상에 형성된 반도체층과;상기 반도체층 상부 측면에 형성된 소스 및 드레인 전극을 포함하는 것을 특징으로 하는 액정 표시 소자.
- 제 1항에 있어서, 상기 요철층을 형성하고 있는 나노 크기의 입자들은 반사 특성이 우수한 Ag, Ag 합금, Al, 또는 Al 합금으로 이루어진 것을 특징으로 하는 액정 표시 소자.
- 제 1 항에 있어서, 상기 보호막 상부 및 요철층 사이에 개재된 반사전극을 추가로 포함하는 것을 특징으로 하는 액정 표시 소자.
- 제 4 항에 있어서, 상기 반사전극은 Al, Al 합금, Ag, 또는 Ag 합금으로 이루어져 있는 것을 특징으로 하는 액정 표시 소자.
- 제 1 항에 있어서, 상기 요철은 구형상인 것을 특징으로 하는 액정 표시 소자.
- 제 1 항에 있어서, 상기 요철의 크기는 0.1 ㎛ 이하인 것을 특징으로 하는 액정 표시 소자.
- 스위칭 영역과 화소영역이 정의된 기판과;상기 스위칭 영역에 형성되고, 게이트 전극, 소스 전극, 그리고 드레인 전극을 가진 박막 트랜지스터와;상기 박막 트랜지스터 및 화소영역에 형성된 보호막과;상기 화소영역의 보호막 상에 형성되고, 상기 박막 트랜지스터의 드레인 전극과 전기적으로 연결되는 반사전극과 상기 반사전극상부에 적어도 한층 이상의 나노 입자들로 형성된 요철층으로 이루어진 반사판을 포함하는 것을 특징으로하는 액정 표시 소자.
- 투명한 기판을 준비하는 단계와;상기 기판 상에 박막트랜지스터를 형성하는 단계와;상기 기판 및 박막 트랜지스터 전면에 형성된 보호막과;상기 보호막 상에 상기 박막트랜지스터와 전기적으로 접속되는 반사전극과 나노 크기를 가지는 요철층으로 이루어진 반사판을 형성하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 9 항에 있어서, 상기 박막 트랜지스터를 형성하는 단계는 투명한 기판 상에 게이트 전극을 형성하는 단계와;상기 게이트 전극 상에 게이트 절연막을 증착하는 단계와;상기 게이트 전극 상부 및 상기 게이트 절연막 상에 반도체층을 형성하는 단계와;상기 반도체층 상부 측면에 형성된 소스 및 드레인 전극을 형성하는 단계로 이루어 지는 것을 특징으로 하는 액정 표시소자의 제조방법.
- 제 9 항에 있어서, 상기 요철층을 형성하는 단계는 졸겔 상태의 Ag, Ag 합금, Al, 또는 Al 합금 입자중에서 어느 하나를 도포하는 단계와;상기 졸겔상태의 입자들을 건조시키는 단계로 이루어지는 것을 특징으로 하는 액정 표시 소자의 제조방법.
- 제 11 항에 있어서, 상기 졸겔 상태의 입자를 도포하는 단계는 스핀 코팅 또는 패인팅 방법을 통하여 이루어지는 것을 특징으로 하는 액정 표시 소자의 제조방 법.
- 삭제
- 스위칭 영역과 화소영역이 정의된 기판을 준비하는 단계와;상기 스위칭 영역에 게이트 전극, 소스 전극, 그리고 드레인 전극을 가진 박막 트랜지스터를 형성하는 단계와;상기 박막 트랜지스터 및 화소영역의 전면에 걸쳐서 보호막을 형성하는 단계와;상기 화소영역의 보호막 상에 불투명한 금속 물질을 증착한 후, 이를 패터닝하여 드레인 전극과 전기적으로 연결되는 반사전극을 형성하고, 상기 반사전극 상부에 스핀코팅 또는 패인팅 방법을 통하여 적어도 한층 이상의 나노 입자들로 이루어진 요철층을 도포하여 상기 반사전극과 요철층으로 이루어지는 반사판을 형성하는 단계를 포함하는 것을 특징으로 하는 액정 표시 소자의 제조방법.
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JP4784382B2 (ja) * | 2005-09-26 | 2011-10-05 | ソニー株式会社 | 液晶表示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07199167A (ja) * | 1993-12-28 | 1995-08-04 | Nec Corp | 反射電極板の製造方法 |
JP2000002875A (ja) * | 1998-06-12 | 2000-01-07 | Semiconductor Energy Lab Co Ltd | 電気光学表示装置 |
KR20000001611A (ko) * | 1998-06-12 | 2000-01-15 | 김영환 | 반사형 액정표시 장치의 형성방법 |
KR20000011529A (ko) * | 1998-07-10 | 2000-02-25 | 마츠시타 덴끼 산교 가부시키가이샤 | 반사형액정표시장치 |
KR20000051642A (ko) * | 1999-01-25 | 2000-08-16 | 김순택 | 액정표시소자의 반사 기판 어셈블리 및 그 제조방법 |
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- 2002-10-30 KR KR1020020066657A patent/KR100928918B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07199167A (ja) * | 1993-12-28 | 1995-08-04 | Nec Corp | 反射電極板の製造方法 |
JP2000002875A (ja) * | 1998-06-12 | 2000-01-07 | Semiconductor Energy Lab Co Ltd | 電気光学表示装置 |
KR20000001611A (ko) * | 1998-06-12 | 2000-01-15 | 김영환 | 반사형 액정표시 장치의 형성방법 |
KR20000011529A (ko) * | 1998-07-10 | 2000-02-25 | 마츠시타 덴끼 산교 가부시키가이샤 | 반사형액정표시장치 |
KR20000051642A (ko) * | 1999-01-25 | 2000-08-16 | 김순택 | 액정표시소자의 반사 기판 어셈블리 및 그 제조방법 |
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