JP5368125B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP5368125B2 JP5368125B2 JP2009017622A JP2009017622A JP5368125B2 JP 5368125 B2 JP5368125 B2 JP 5368125B2 JP 2009017622 A JP2009017622 A JP 2009017622A JP 2009017622 A JP2009017622 A JP 2009017622A JP 5368125 B2 JP5368125 B2 JP 5368125B2
- Authority
- JP
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- Prior art keywords
- electrode
- pixel electrode
- liquid crystal
- pixel
- thin film
- Prior art date
- 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.)
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- 239000003990 capacitor Substances 0.000 claims description 90
- 239000010409 thin film Substances 0.000 claims description 54
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 description 83
- 239000010410 layer Substances 0.000 description 25
- 239000010408 film Substances 0.000 description 17
- 101100214491 Solanum lycopersicum TFT3 gene Proteins 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 11
- 101100489584 Solanum lycopersicum TFT1 gene Proteins 0.000 description 9
- 101100214494 Solanum lycopersicum TFT4 gene Proteins 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 101100214488 Solanum lycopersicum TFT2 gene Proteins 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910004205 SiNX Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- RICKKZXCGCSLIU-UHFFFAOYSA-N 2-[2-[carboxymethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]ethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]acetic acid Chemical compound CC1=NC=C(CO)C(CN(CCN(CC(O)=O)CC=2C(=C(C)N=CC=2CO)O)CC(O)=O)=C1O RICKKZXCGCSLIU-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
-
- 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
- G02F1/1343—Electrodes
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
-
- 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
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
100 下部表示板
111、112 ゲート線
120 維持電極
130 データ線
141〜144 半導体層
151 第2補助電極
152 第1補助電極
153 カップリング電極
161 第1画素電極
162 第2画素電極
163 結合電極
171〜177 コンタクトホール
Claims (9)
- 第1ゲート線及び第2ゲート線と、
前記第1ゲート線及び前記第2ゲート線と交差するデータ線と、
前記第1ゲート線及び前記第2ゲート線と前記データ線とに接続されて行列状に配列された複数の画素を有し、
前記画素の各々は、
第1画素電極と、
前記第1ゲート線、前記データ線、及び前記第1画素電極と接続された第1薄膜トランジスタと、
第2画素電極と、
前記第1ゲート線、前記データ線、及び第2画素電極と接続された第2薄膜トランジスタと、
維持電極と、
前記第1画素電極と重畳して電荷分配キャパシタを形成し、前記維持電極の上に形成されたカップリング電極と、
前記第1ゲート線、前記維持電極、及び前記カップリング電極と接続された第3薄膜トランジスタと、
前記第2ゲート線、前記カップリング電極、及び前記第2画素電極と接続された第4薄膜トランジスタと、
を有することを特徴とする表示装置。 - 前記第4薄膜トランジスタは、前記カップリング電極と接続されたソース電極と、前記第2画素電極と接続されたドレイン電極とを有することを特徴とする請求項1に記載の表示装置。
- 前記第3薄膜トランジスタの前記ドレイン電極は、接続電極を介して前記維持電極に接続することを特徴とする請求項2に記載の表示装置。
- 前記第3薄膜トランジスタの前記ドレイン電極と前記維持電極とは、互いに異なる層に互いに異なる金属で形成されたことを特徴とする請求項3に記載の表示装置。
- 前記接続電極は前記画素電極の切開部と重畳することを特徴とする請求項3に記載の表示装置。
- 前記維持電極は、前記第1画素電極と重畳して第1ストレージキャパシタを形成し、前記第2画素電極と重畳して第2ストレージキャパシタを形成することを特徴とする請求項1に記載の表示装置。
- 前記維持電極と前記第1ストレージキャパシタを形成し、第1コンタクトホールによって前記第1画素電極と接続する第1補助電極と、
前記維持電極と前記第2ストレージキャパシタを形成し、第2コンタクトホールによって前記第2画素電極と接続する第2補助電極と、を有することを特徴とする請求項6に記載の表示装置。 - 前記維持電極は、
前記第2画素電極と重畳して第2ストレージキャパシタを形成する第1部分と、
前記第1画素電極と重畳して第1ストレージキャパシタを形成し、前記第1部分より幅の狭い第2部分と、を有することを特徴とする請求項1に記載の表示装置。 - 前記維持電極の前記第1部分と重畳して前記第2ストレージキャパシタを形成する補助電極をさらに有し、
前記補助電極はコンタクトホールによって前記第2画素電極と接続することを特徴とする請求項8に記載の表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0037776 | 2008-04-23 | ||
KR1020080037776A KR101538320B1 (ko) | 2008-04-23 | 2008-04-23 | 표시 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009265615A JP2009265615A (ja) | 2009-11-12 |
JP5368125B2 true JP5368125B2 (ja) | 2013-12-18 |
Family
ID=41214623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009017622A Active JP5368125B2 (ja) | 2008-04-23 | 2009-01-29 | 表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7843520B2 (ja) |
JP (1) | JP5368125B2 (ja) |
KR (1) | KR101538320B1 (ja) |
CN (1) | CN101566771B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10185180B2 (en) | 2015-02-16 | 2019-01-22 | Samsung Display Co., Ltd. | Liquid crystal display device provided with a reflective-type monochromatic display screen in addition to a color display screen |
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KR101371604B1 (ko) * | 2007-11-26 | 2014-03-06 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
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US10185180B2 (en) | 2015-02-16 | 2019-01-22 | Samsung Display Co., Ltd. | Liquid crystal display device provided with a reflective-type monochromatic display screen in addition to a color display screen |
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US20090268112A1 (en) | 2009-10-29 |
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