JP6373596B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP6373596B2 JP6373596B2 JP2014022340A JP2014022340A JP6373596B2 JP 6373596 B2 JP6373596 B2 JP 6373596B2 JP 2014022340 A JP2014022340 A JP 2014022340A JP 2014022340 A JP2014022340 A JP 2014022340A JP 6373596 B2 JP6373596 B2 JP 6373596B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 138
- 239000010408 film Substances 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 33
- 239000010409 thin film Substances 0.000 claims description 32
- 239000004065 semiconductor Substances 0.000 claims description 28
- 239000011810 insulating material Substances 0.000 claims description 23
- 239000010410 layer Substances 0.000 description 34
- 230000001681 protective effect Effects 0.000 description 32
- 230000005684 electric field Effects 0.000 description 22
- 230000002093 peripheral effect Effects 0.000 description 11
- 238000002834 transmittance Methods 0.000 description 10
- 239000004020 conductor Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000003071 parasitic effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- -1 region Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- 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
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- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- 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
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- General Physics & Mathematics (AREA)
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- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Description
11、21:配向膜
100:下部表示板
110、210:絶縁基板
121:ゲート線
124:ゲート電極
131:共通電極
140:ゲート絶縁膜
154:半導体
163、165:オーミックコンタクト部材
171:データ線
173:ソース電極
175:ドレイン電極
180a、180b:保護膜
183、185:接触孔
191:画素電極
200:上部表示板
220:遮光部材
230:カラーフィルタ
400a、400b:ゲート駆動部
Claims (8)
- 基板と、
前記基板の上に配設され、略第1方向に伸びる複数本の第1信号線と、
前記複数本の第1信号線の上に配設されるゲート絶縁膜と、
前記ゲート絶縁膜の上に配設される複数の第1電極と、
前記第1信号線と電気的に接続されており、前記ゲート絶縁膜および前記第1電極を有する薄膜トランジスタと、
前記薄膜トランジスタと接続されており、前記薄膜トランジスタからデータ電圧が印加される複数の画素電極と、
前記画素電極と第1絶縁層を挟んで重なり合う共通電極と、
を備え、
前記画素電極および前記共通電極のうちのいずれか一方は面状であり、他方は前記面状の電極と重なり合う複数の枝電極を有し、
前記画素電極の前記第1方向の長さは、前記画素電極の前記第1方向に垂直な第2方向の長さよりも長く、
前記複数の枝電極は前記第1信号線に略並ぶように伸び、
前記共通電極は、前記第1信号線と重なり合う部分を有し、
前記共通電極の前記第1信号線と重なり合う部分は、前記第1信号線に沿って形成された開口部を有する液晶表示装置。 - 基板と、
前記基板の上に配設され、略第1方向に伸びる複数本の第1信号線と、
前記複数本の第1信号線の上に配設されるゲート絶縁膜と、
前記ゲート絶縁膜の上に配設される複数の第1電極と、
前記第1信号線と電気的に接続されており、前記ゲート絶縁膜および前記第1電極を有する薄膜トランジスタと、
前記薄膜トランジスタと接続されており、前記薄膜トランジスタからデータ電圧が印加される複数の画素電極と、
前記画素電極と第1絶縁層を挟んで重なり合う共通電極と、
を備え、
前記画素電極および前記共通電極のうちのいずれか一方は面状であり、他方は前記面状の電極と重なり合う複数の枝電極を有し、
前記画素電極の前記第1方向の長さは、前記画素電極の前記第1方向に垂直な第2方向の長さよりも長く、
前記複数の枝電極は前記第1信号線に略並ぶように伸び、
前記共通電極は、前記第1信号線と重なり合う部分を有し、
前記第1信号線は、前記薄膜トランジスタにゲート信号を伝達するゲート線を備える液晶表示装置。 - 基板と、
前記基板の上に配設され、略第1方向に伸びる複数本の第1信号線と、
前記複数本の第1信号線の上に配設されるゲート絶縁膜と、
前記ゲート絶縁膜の上に配設される複数の第1電極と、
前記第1信号線と電気的に接続されており、前記ゲート絶縁膜および前記第1電極を有する薄膜トランジスタと、
前記薄膜トランジスタと接続されており、前記薄膜トランジスタからデータ電圧が印加される複数の画素電極と、
前記画素電極と第1絶縁層を挟んで重なり合う共通電極と、
を備え、
前記画素電極および前記共通電極のうちのいずれか一方は面状であり、他方は前記面状の電極と重なり合う複数の枝電極を有し、
前記画素電極の前記第1方向の長さは、前記画素電極の前記第1方向に垂直な第2方向の長さよりも長く、
前記複数の枝電極は前記第1信号線に略並ぶように伸び、
前記共通電極は、前記第1信号線と重なり合う部分を有し、
前記第1信号線に略並ぶように伸び、前記第1信号線と同じ層に配設される複数本の共通電圧線をさらに備え、
前記共通電極は前記共通電圧線と接続されている液晶表示装置。 - 前記ゲート絶縁膜の上に配設され、前記第1電極と接続されており、前記ゲート線と交差する複数本のデータ線をさらに備え、
前記薄膜トランジスタは、
前記第1電極と対向し、前記画素電極と接続されている第2電極と、
前記第1電極および前記第2電極と重なり合う半導体と、
をさらに備える請求項1〜3のいずれかに記載の液晶表示装置。 - 前記半導体は、酸化物半導体を含む請求項4に記載の液晶表示装置。
- 前記複数本の第1信号線と前記複数本の共通電圧線は、前記第2方向に沿って交互に配列されている請求項1〜5のいずれかに記載の液晶表示装置。
- 前記第2方向に配列された複数の画素電極を有する1画素行の画素電極は、前記複数本のデータ線のうち一対の第1および第2データ線に交互に接続されており、
前記一対の第1および第2データ線が伝達するデータ電圧の極性は互いに反対である請求項6に記載の液晶表示装置。 - 前記第1信号線と前記共通電極との間に配設される絶縁層は、有機絶縁物質を含んでいない請求項7に記載の液晶表示装置。
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US9798197B2 (en) | 2017-10-24 |
KR102040812B1 (ko) | 2019-11-06 |
US20140226101A1 (en) | 2014-08-14 |
JP2014153716A (ja) | 2014-08-25 |
KR20140102348A (ko) | 2014-08-22 |
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