JP5775289B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP5775289B2 JP5775289B2 JP2010260837A JP2010260837A JP5775289B2 JP 5775289 B2 JP5775289 B2 JP 5775289B2 JP 2010260837 A JP2010260837 A JP 2010260837A JP 2010260837 A JP2010260837 A JP 2010260837A JP 5775289 B2 JP5775289 B2 JP 5775289B2
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Images
Classifications
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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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- 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
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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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- 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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13793—Blue phases
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Description
液晶表示装置を、図1、図19を用いて説明する。
本明細書に開示する発明は、パッシブマトリクス型の液晶表示装置でもアクティブマトリクス型の液晶表示装置にも適用することができる。アクティブマトリクス型の液晶表示装置の例を、図2、図8及び図18を用いて説明する。
実施の形態2において、カラーフィルタを液晶層を挟持する基板の外側に設ける例を図4に示す。なお、実施の形態1及び実施の形態2と同様なものに関しては同様の材料及び作製方法を適用することができ、同一部分又は同様な機能を有する部分の詳細な説明は省略する。
遮光層(ブラックマトリクス)を有する液晶表示装置を、図5を用いて説明する。
遮光層(ブラックマトリクス)を有する液晶表示装置を、図6を用いて説明する。
実施の形態1乃至5において、液晶表示装置に適用できるトランジスタの他の例を示す。なお、実施の形態1乃至5と同様なものに関しては同様の材料及び作製方法を適用することができ、同一部分又は同様な機能を有する部分の詳細な説明は省略する。
実施の形態1乃至5において、液晶表示装置に適用できるトランジスタの他の例を、図9を用いて説明する。
上記実施の形態1乃至7において、トランジスタ420、421、422の半導体層に用いることのできる材料として酸化物半導体を説明する。具体的には、半導体層として酸化物半導体層を用いたトランジスタ1420、1450を説明する。
本実施の形態は、実施の形態8で示した酸化物半導体層を含むトランジスタ、及び作製方法の一例を図26を用いて詳細に説明する。本実施の形態で示すトランジスタ390は、上記実施の形態における、チャネル形成領域を含む酸化物半導体層を用いるトランジスタ1420、1450として適用することができる。上記実施の形態と同一部分又は同様な機能を有する部分、及び工程は、上記実施の形態と同様に行うことができ、繰り返しの説明は省略する。また同じ箇所の詳細な説明は省略する。
本実施の形態は、実施の形態8で示した酸化物半導体層を含むトランジスタ、及び作製方法の一例を図27を用いて詳細に説明する。本実施の形態で示すトランジスタ310は、上記実施の形態における、チャネル形成領域を含む酸化物半導体層を用いるトランジスタ1420、1450として適用することができる。上記実施の形態と同一部分又は同様な機能を有する部分、及び工程は、上記実施の形態と同様に行うことができ、繰り返しの説明は省略する。また同じ箇所の詳細な説明は省略する。
本実施の形態は、実施の形態8で示した酸化物半導体層を含むトランジスタ、及び作製方法の一例を図25を用いて詳細に説明する。本実施の形態で示すトランジスタ380は、上記実施の形態における、チャネル形成領域を含む酸化物半導体層を用いるトランジスタ1420、1450として適用することができる。
上記実施の形態2乃至11において、トランジスタの半導体層に用いることのできる他の材料の例を説明する。
本明細書に開示する発明は、パッシブマトリクス型の液晶表示装置でもアクティブマトリクス型の液晶表示装置にも適用することができる。パッシブマトリクス型の液晶表示装置の例を、図3を用いて説明する。液晶表示装置の上面図を図3(A)に、図3(A)における線G−Hの断面図を図3(B)に示す。また、図3(A)には、液晶層1703、対向基板である基板1710、偏光板1714a、1714bなどは省略され図示されていないが、図3(B)で示すようにそれぞれ設けられている。
本実施の形態では、液晶表示装置の一形態を図23のブロック図及び図24のタイミングチャートを用いて説明する。
トランジスタを作製し、該トランジスタを画素部、さらには駆動回路に用いて表示機能を有する液晶表示装置を作製することができる。また、トランジスタを駆動回路の一部または全体を、画素部と同じ基板上に一体形成し、システムオンパネルを形成することができる。
本明細書に開示する液晶表示装置は、さまざまな電子機器(遊技機も含む)に適用することができる。電子機器としては、例えば、テレビジョン装置(テレビ、またはテレビジョン受信機ともいう)、コンピュータ用などのモニタ、デジタルカメラ、デジタルビデオカメラ等のカメラ、デジタルフォトフレーム、携帯電話機(携帯電話、携帯電話装置ともいう)、携帯型ゲーム機、携帯情報端末、音響再生装置、パチンコ機などの大型ゲーム機などが挙げられる。
11 基板
20 画素電極層
21a 共通電極層
21b 共通電極層
22a 共通電極層
22b 共通電極層
23 構造体
24 液晶層
200 基板
201 基板
202a 矢印
202b 矢印
202c 矢印
202d 矢印
208 液晶層
230a 画素電極層
230b 画素電極層
231a 共通電極層
231b 共通電極層
231c 共通電極層
232a 共通電極層
232b 共通電極層
232c 共通電極層
233a 構造体
233b 構造体
234a 構造体
234b 構造体
234c 構造体
235a 構造体
235b 構造体
235c 構造体
240a 画素電極層
240b 画素電極層
241a 構造体
241b 構造体
242a 画素電極層
242b 画素電極層
243a 構造体
243b 構造体
305 基板
306 保護絶縁層
307 ゲート絶縁層
310 トランジスタ
311 ゲート電極層
312 酸化物半導体層
315a ソース電極層
315b ドレイン電極層
316 酸化物絶縁層
330 酸化物半導体膜
331 酸化物半導体層
370 基板
372a ゲート絶縁層
372b ゲート絶縁層
373 保護絶縁層
380 トランジスタ
381 ゲート電極層
382 酸化物半導体層
385a ソース電極層
385b ドレイン電極層
386 酸化物絶縁層
390 トランジスタ
391 ゲート電極層
392 酸化物半導体層
393 酸化物半導体膜
394 基板
395a ソース電極層
395b ドレイン電極層
396 酸化物絶縁層
397 ゲート絶縁層
398 保護絶縁層
399 酸化物半導体層
401 ゲート電極層
402 ゲート絶縁層
403 半導体層
404a ドレイン領域
405a 配線層
405b 配線層
407 絶縁膜
408 容量配線層
409 絶縁層
413 層間膜
414 遮光層
415 絶縁層
416 絶縁膜
417 透光性樹脂層
420 トランジスタ
421 トランジスタ
422 トランジスタ
441 基板
442 基板
443a 偏光板
443b 偏光板
444 液晶層
446 電極層
446a 電極層
446b 電極層
446c 電極層
446d 電極層
447 電極層
447a 電極層
447b 電極層
447c 電極層
447d 電極層
448 電極層
448a 電極層
448b 電極層
448c 電極層
449 構造体
450 カラーフィルタ
451 素子層
454a 透光性樹脂層
455a 遮光層
456a シール材
457 光
458 液晶層
459a 基板
459b 基板
1000 携帯電話機
1001 筐体
1002 表示部
1003a 操作ボタン
1004 外部接続ポート
1005 スピーカ
1006 マイク
1301 表示部
1302 駆動部
1303 信号線駆動回路
1304 走査線駆動回路
1305 画素
1306 走査線
1308 信号線
1400 基板
1401 ゲート電極層
1402 ゲート絶縁層
1403 酸化物半導体層
1405a ソース電極層
1405b ドレイン電極層
1407 酸化物絶縁層
1409 保護絶縁層
1420 トランジスタ
1432a ゲート絶縁層
1432b ゲート絶縁層
1437 酸化物絶縁層
1439 保護絶縁層
1450 トランジスタ
1700 基板
1701a 画素電極層
1701b 画素電極層
1701c 画素電極層
1703 液晶層
1705a 共通電極層
1706a 共通電極層
1707a 構造体
1707b 構造体
1707c 構造体
1714a 偏光板
1714b 偏光板
1710 基板
1713 液晶素子
1714 偏光板
2600 素子基板
2601 対向基板
2602 シール材
2603 素子層
2604 表示素子
2605 層間膜
2606 偏光板
2607 偏光板
2608 配線回路部
2609 フレキシブル配線基板
2610 冷陰極管
2611 反射板
2612 回路基板
2613 拡散板
4001 基板
4002 画素部
4003 信号線駆動回路
4003a 信号線駆動回路
4003b 信号線駆動回路
4004 走査線駆動回路
4005 シール材
4006 基板
4008 液晶層
4010 トランジスタ
4011 トランジスタ
4013 液晶素子
4015 接続端子電極
4016 端子電極
4018 FPC
4019 異方性導電膜
4020 絶縁層
4021 層間膜
4030 画素電極層
4031 共通電極層
4032 偏光板
4034 遮光層
4036 共通電極層
4037 構造体
4038 構造体
8310 比抵抗/ホール測定システムResiTest
9400 通信装置
9401 筐体
9402 操作ボタン
9403 外部入力端子
9404 マイク
9405 スピーカ
9406 発光部
9410 表示装置
9411 筐体
9412 表示部
9413 操作ボタン
9600 テレビジョン装置
9601 筐体
9603 表示部
9605 スタンド
9607 表示部
9609 操作キー
9610 リモコン操作機
9700 デジタルフォトフレーム
9701 筐体
9703 表示部
9881 筐体
9882 表示部
9883 表示部
9884 スピーカ部
9885 入力手段(操作キー
9886 記録媒体挿入部
9887 接続端子
9888 センサ
9889 マイクロフォン
9890 LEDランプ
9891 筐体
9893 連結部
9900 スロットマシン
9901 筐体
9903 表示部
Claims (9)
- 第1の基板と第2の基板との間に、ブルー相を示す液晶材料を含む液晶層を有し、
前記第2の基板と前記液晶層との間に設けられた第2の電極層と、
前記第2の電極層と重畳し、前記第1の基板と前記液晶層との間に設けられた第3の電極層と、
前記第1の基板の前記液晶層側の面から前記液晶層中に突出する構造体と、
前記構造体の上部に設けられた第1の電極層と、
を有し、
前記第2の電極層は、開口パターンを有し、
前記第3の電極層は、開口パターンを有し、
前記構造体は、前記第3の電極層の開口パターンの間に設けられ、
前記第1の電極層は、開口パターンを有し、
前記第1の電極層は、前記液晶層中において、前記第2の電極層と前記第3の電極層との間に配置され、
前記構造体は、錐形の先端が丸いドーム状であり、
前記構造体の側面は、前記液晶層と接し、
セルギャップは5μm未満であることを特徴とする液晶表示装置。 - 第1の基板と第2の基板との間に、ブルー相を示す液晶材料を含む液晶層を有し、
前記第2の基板の前記液晶層側の面から前記液晶層中に突出する第2の構造体と、
前記第2の構造体の上部に設けられた第2の電極層と、
前記第2の電極層と重畳し、前記第1の基板と前記液晶層との間に設けられた第3の電極層と、
前記第1の基板の前記液晶層側の面から前記液晶層中に突出する第1の構造体と、
前記第1の構造体の上部に設けられた第1の電極層と、
を有し、
前記第2の電極層は、開口パターンを有し、
前記第3の電極層は、開口パターンを有し、
前記構造体は、前記第3の電極層の開口パターンの間に設けられ、
前記第1の電極層は、前記液晶層中において、前記第2の電極層と前記第3の電極層との間に配置され、
前記第1の構造体は、錐形の先端が丸いドーム状であり、
前記第1の構造体の側面は、前記液晶層と接し、
前記第2の構造体は、錐形の先端が丸いドーム状であり、
前記第2の構造体の側面は、前記液晶層と接し、
セルギャップは5μm未満であることを特徴とする液晶表示装置。 - 第1の基板と第2の基板との間に、ブルー相を示す液晶材料を含む液晶層を有し、
前記第2の基板の前記液晶層側の面から前記液晶層中に突出する第2の構造体と、
前記第2の構造体の上部に設けられた第2の電極層と、
前記第1の基板の前記液晶層側の面から前記液晶層中に突出する第3の構造体と、
前記第2の電極層と重畳し、前記第3の構造体の上部に設けられた第3の電極層と、
前記第1の基板の前記液晶層側の面から前記液晶層中に突出する第1の構造体と、
前記第1の構造体の上部に設けられた第1の電極層と、
を有し、
前記第2の電極層は、開口パターンを有し、
前記第3の電極層は、開口パターンを有し、
前記構造体は、前記第3の電極層の開口パターンの間に設けられ、
前記第1の電極層は、前記液晶層中において、前記第2の電極層と前記第3の電極層との間に配置され、
前記第1の構造体は、錐形の先端が丸いドーム状であり、
前記第1の構造体の側面は、前記液晶層と接し、
前記第2の構造体は、錐形の先端が丸いドーム状であり、
前記第2の構造体の側面は、前記液晶層と接し、
前記第3の構造体は、錐形の先端が丸いドーム状であり、
前記第3の構造体の側面は、前記液晶層と接し、
セルギャップは5μm未満であることを特徴とする液晶表示装置。 - 請求項1乃至3のいずれか一項において、
前記第1の電極層と前記第2の電極層との間の距離と、前記第1の電極層と前記第3の電極層との間の距離は等しいことを特徴とする液晶表示装置。 - 請求項1乃至4のいずれか一項において、
前記第1の電極層、前記第2の電極層、及び前記第3の電極層は、それぞれ前記液晶層に接していることを特徴とする液晶表示装置。 - 請求項1乃至5のいずれか一項において、
前記第1の電極層、前記第2の電極層、及び前記第3の電極層は櫛歯状であることを特徴とする液晶表示装置。 - 請求項1乃至6のいずれか一項において、
前記液晶層は、カイラル剤を含むことを特徴とする液晶表示装置。 - 請求項1乃至7のいずれか一項において、
前記液晶層は、光硬化樹脂及び光重合開始剤を有することを特徴とする液晶表示装置。 - 請求項1乃至8のいずれか一項において、
前記第1の基板と、前記第1の電極層及び前記第3の電極層との間にトランジスタを有し、
前記第1の電極層は前記トランジスタと電気的に接続されており、
前記トランジスタは酸化物半導体層を含むことを特徴とする液晶表示装置。
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