JP4761707B2 - 半透過型液晶表示装置、これの製造方法及び薄膜トランジスター基板の製造方法 - Google Patents
半透過型液晶表示装置、これの製造方法及び薄膜トランジスター基板の製造方法 Download PDFInfo
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- JP4761707B2 JP4761707B2 JP2003517665A JP2003517665A JP4761707B2 JP 4761707 B2 JP4761707 B2 JP 4761707B2 JP 2003517665 A JP2003517665 A JP 2003517665A JP 2003517665 A JP2003517665 A JP 2003517665A JP 4761707 B2 JP4761707 B2 JP 4761707B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 79
- 239000010409 thin film Substances 0.000 title claims description 59
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- 229920005591 polysilicon Polymers 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910020776 SixNy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- 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
- G02F1/133555—Transflectors
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Description
さらに、
第1光または第2光のいずれかの提供を受けて映像を表示する半透過型液晶表示装置が開発されている。
図2は本発明の一実施例による半透過型液晶表示装置の構造を説明するためのプロファイルを示した断面図である。
図3は図2に示した半透過型液晶表示装置の単位画素を示す平面図である。
従来の単位ピクセルにおいて、透過窓の大きさは反射電極よりも小さい。図1で、前記透過窓13により露出された透過電極11の第2面積は“A”であり、前記反射電極12の第1面積は“2A”である。従って、画素電極10の第3面積は“A+2A=3A”である。
図8は本発明の第2の実施例による半透過型液晶表示装置の断面図である。
従って、従来に比べて下部電極221aと上部電極用反射板226aとの距離dが狭くなることによって画像保持用キャパシター227の容量がさらに増加される。
図11は本発明の第3実施例による半透過型液晶表示装置の単位画素を具体的に示した図面である。
図12Eに示すように、外部から入射された第1光L1は前記透過電極548を通過して第1画像保持用反射電極526により反射された後、再度外部に出射される。一方、半透過型液晶表示装置自らで生成された前記第1光は前記開口領域526aを通じて出射される。半透過型液晶表示装置で発生した第2光L2は、図12Cに示す開口526aを介して蓋部に出射される。
110 画素電極
111 透過電極
112 反射電極
115 コンタクトホール
116 第2有機絶縁膜
120 TFT
121 ゲート電極
122 ソース電極
123 ドレーン電極
131 共通ゲートライン
132 共通データライン
140 TFT基板
150 単位画素
160 液晶
261 第2絶縁基板
262 RGB色画素
263 共通電極
522 ゲート電極
524 ゲートライン
Claims (4)
- 第1絶縁基板の第1面上に形成された薄膜トランジスタと、前記薄膜トランジスタをそれぞれ有する複数の画素を有する薄膜トランジスタ基板と、前記薄膜トランジスタ基板上に形成される画像保持用キャパシタの下部電極と、第1面積を有し、前記第1面から前記第1面の反対に位置する第2面に進行する光を反射し、前記薄膜トランジスタと連結され、前記画像保持用キャパシタの上部電極として機能する上部電極用反射板と、前記第2面から前記第1面に進行する光を透過させる透過領域を含み、前記薄膜トランジスタから出力された電源電圧が印加され、前記薄膜トランジスタと接続され、前記第1面積より広い第2面積を有する透過領域を含む画素電極と、
前記薄膜トランジスタと対向して備えられ、前記画素電極と対向する共通電極が形成されたカラーフィルタ基板と、
前記薄膜トランジスタ基板と前記カラーフィルタ基板との間に注入された液晶層と、
を含み、
前記上部電極用反射板は、前記薄膜トランジスタのソース電極及びドレーン電極と同一工程によって同一層に形成されることを特徴とする半透過型液晶表示装置。 - 前記第2面積は、前記第1面積の3倍以下であることを特徴とする請求項1記載の半透過型液晶表示装置。
- 第1絶縁基板の第1面上にゲート電極及び前記ゲート電極と絶縁された画像保持用キャパシタの下部電極を含むゲート金属パターン配線を形成する段階と、
前記ゲート金属パターン配線が形成された前記第1絶縁基板上に第1絶縁層を形成する段階と、
前記ゲート電極が形成された領域を含む前記第1絶縁層上にチャンネル層を形成する段階と、
ソース電極と、ドレーン電極と、前記第1面から前記第1面の反対に位置する第2面に進行する光を反射し、前記ドレーン電極に接続され、第1面積を有し、前記画像保持用キャパシタの上部電極として機能する上部電極用反射板とを含むデータ金属パターン配線を形成する段階と、
前記ドレーン電極の一部を露出させながら、前記第1絶縁基板の全面積をカバーするための第2絶縁層を形成する段階と、
前記第1面積より広い第2面積を有し、前記第2面から前記第1面に進行する光を透過させるための透過領域を含み、前記第2絶縁層上に前記ドレーン電極と電気的に連結され、前記ドレーン電極から電源電圧の提供を受ける画素電極を形成する段階と、を含むことを特徴とする薄膜トランジスタ基板製造方法。 - 前記上部電極用反射板はアルミニウム(Al)、銀(Ag)から選択されたいずれか一つの物質からなることを特徴とする請求項3記載の薄膜トランジスタ基板製造方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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KR20010046648 | 2001-08-01 | ||
KR2001/46648 | 2001-08-01 | ||
KR1020010080713A KR100776756B1 (ko) | 2001-08-01 | 2001-12-18 | 반사-투과형 액정표시장치 및 이의 제조 방법 |
KR2001/80713 | 2001-12-18 | ||
KR1020020001803A KR100787914B1 (ko) | 2001-08-01 | 2002-01-11 | 반사-투과형 액정표시장치 및 박막 트랜지스터 기판의제조방법 |
KR2002/1803 | 2002-01-11 | ||
PCT/KR2002/001221 WO2003012539A1 (en) | 2001-08-01 | 2002-06-26 | Transreflective type liquid crystal display and method of manufacturing the same |
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JP2009236116A Division JP5500937B2 (ja) | 2001-08-01 | 2009-10-13 | 半透過型液晶表示装置、これの製造方法及び薄膜トランジスター基板の製造方法 |
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JP2004537754A JP2004537754A (ja) | 2004-12-16 |
JP2004537754A5 JP2004537754A5 (ja) | 2005-12-22 |
JP4761707B2 true JP4761707B2 (ja) | 2011-08-31 |
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JP2003517665A Expired - Lifetime JP4761707B2 (ja) | 2001-08-01 | 2002-06-26 | 半透過型液晶表示装置、これの製造方法及び薄膜トランジスター基板の製造方法 |
JP2009236116A Expired - Lifetime JP5500937B2 (ja) | 2001-08-01 | 2009-10-13 | 半透過型液晶表示装置、これの製造方法及び薄膜トランジスター基板の製造方法 |
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Country | Link |
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US (1) | US6879361B2 (ja) |
JP (2) | JP4761707B2 (ja) |
KR (2) | KR100776756B1 (ja) |
WO (1) | WO2003012539A1 (ja) |
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2002
- 2002-01-11 KR KR1020020001803A patent/KR100787914B1/ko not_active IP Right Cessation
- 2002-05-17 US US10/150,190 patent/US6879361B2/en not_active Expired - Lifetime
- 2002-06-26 WO PCT/KR2002/001221 patent/WO2003012539A1/en active Application Filing
- 2002-06-26 JP JP2003517665A patent/JP4761707B2/ja not_active Expired - Lifetime
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2009
- 2009-10-13 JP JP2009236116A patent/JP5500937B2/ja not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
WO2003012539A1 (en) | 2003-02-13 |
US20030025859A1 (en) | 2003-02-06 |
US6879361B2 (en) | 2005-04-12 |
JP2010009068A (ja) | 2010-01-14 |
KR100787914B1 (ko) | 2007-12-24 |
KR100776756B1 (ko) | 2007-11-19 |
JP5500937B2 (ja) | 2014-05-21 |
KR20030012792A (ko) | 2003-02-12 |
KR20030050302A (ko) | 2003-06-25 |
JP2004537754A (ja) | 2004-12-16 |
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