JP2011008239A - 液晶表示装置およびその作製方法 - Google Patents
液晶表示装置およびその作製方法 Download PDFInfo
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- JP2011008239A JP2011008239A JP2010118256A JP2010118256A JP2011008239A JP 2011008239 A JP2011008239 A JP 2011008239A JP 2010118256 A JP2010118256 A JP 2010118256A JP 2010118256 A JP2010118256 A JP 2010118256A JP 2011008239 A JP2011008239 A JP 2011008239A
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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
- G02F1/1343—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
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Abstract
【解決手段】同一基板上に、複数の構造体(リブ、突起、凸部とも呼ぶ)を形成し、その上に画素電極とその画素電極に対応する電極(固定電位の共通電極)を形成する。画素電極に傾斜をつけ、その画素電極に対応する電極にも傾斜をつけることにより、ブルー相を呈する液晶層に電界をかける構造とする。隣り合う構造体の間隔を狭くすることにより、液晶層に強い電界を印加することができ、液晶を駆動させるための消費電力を少なくすることができる。
【選択図】図1
Description
本実施の形態の一では、液晶表示装置における第1の電極層と第2の電極層の位置関係の一例を図1(A)に示す。
本明細書に開示する発明の一形態は、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(A)及び図2(B)を用いて説明する。
実施の形態1では、図6(A)において第1の電極層に0V、第2の電極層に10Vの設定として計算を行ったが、本実施の形態では、図9(A)において、第1の電極層に10V、第2の電極層に0Vの設定として計算を行い、液晶表示装置における電界の印加状態を計算した結果を図9(B)に示す。
本実施の形態は、実施の形態1の構成に加え、さらに第2の基板に第3の電極層を設け、液晶層に強い電界を印加する構造を説明する。
ここでは、液晶表示装置のブロック図の構成について、図12に示す。図12(A)には、表示部1301、及び駆動部1302の構成について示している。駆動部1302は、信号線駆動回路1303、走査線駆動回路1304などから構成されている。表示部1301には、複数の画素1305がマトリクス状に配置されている。
実施の形態1乃至4において、液晶表示装置に適用できる薄膜トランジスタの他の例を示す。特に薄膜トランジスタの構造及び半導体層に用いる半導体材料の例であり、他の実施の形態1乃至4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6のいずれか一に示した液晶表示装置は、薄膜トランジスタを有し、該薄膜トランジスタを駆動回路、さらには画素部に用いて表示機能を有する。また、薄膜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。
実施の形態1乃至6のいずれか一に示す工程により作製される液晶表示装置は、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、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。
402:絶縁層
403:半導体層
407:絶縁膜
410:容量配線
413:層間絶縁膜
420:薄膜トランジスタ
433a〜h:構造体
441:第1の基板
442:第2の基板
444:液晶層
446:電極層
447:電極層455:コンタクトホール
456:第2の電極層
457:第1の電極層
465:第2の絶縁層
466:第2の電極層
467:第1の電極層
468:第3の絶縁層
Claims (13)
- ブルー相を示す液晶材料を含む液晶層を挟持する第1の基板及び第2の基板と、
前記第1の基板上に複数の構造体と、
前記複数の構造体上に第1の電極層と、
前記第1の電極層上に絶縁層と、
前記絶縁層上に前記絶縁層を介して前記第1の電極層と重なる第2の電極層とを有し、
前記複数の構造体はそれぞれ等間隔で配置され、
前記複数の構造体のそれぞれの側面が、前記第1の基板の平面となす角は90°未満であり、
前記第2の電極層は、前記第1の電極層及び前記絶縁層を介して前記構造体の側面と重なり、
前記第2の電極層は複数の開口を有する液晶表示装置。 - 請求項1において、前記構造体は、有機樹脂材料である液晶表示装置。
- ブルー相を示す液晶材料を含む液晶層を挟持する第1の基板及び第2の基板と、
前記第1の基板上に第1の構造体、第2の構造体、及び第3の構造体と、
前記第1の構造体、前記第2の構造体、及び前記第3の構造体上に第1の電極層と、
前記第1の電極層上に絶縁層と、
前記絶縁層を介して前記第1の構造体の側面及び前記第3の構造体の側面と重なる第2の電極層と、
前記第2の電極層は開口を有し、
前記第1の構造体、前記第2の構造体、及び前記第3の構造体はそれぞれ等間隔で配置され、前記第1の構造体と前記第3の構造体の間に前記第2の構造体が配置され、
前記第2の電極層の開口は第2の構造体と重なる液晶表示装置。 - 請求項3において、前記第1の構造体、前記第2の構造体、及び前記第3の構造体は有機樹脂材料である液晶表示装置。
- 請求項1乃至4のいずれか一において、前記第1の電極層は、固定電位であり、前記第2の電極層は、薄膜トランジスタと電気的に接続する液晶表示装置。
- 請求項1乃至5のいずれか一において、さらに、前記第2の基板に第3の電極層を有し、前記第3の電極層は固定電位であり、前記第3の電極層は前記液晶層を介して前記第1の電極層と重なる液晶表示装置。
- 請求項1乃至4のいずれか一において、前記第1の電極層は、薄膜トランジスタと電気的に接続し、前記第2の電極層は、固定電位である液晶表示装置。
- 請求項1乃至4、または請求項7のいずれか一において、さらに、前記第2の基板に第3の電極層を有し、前記第3の電極層は固定電位であり、前記第3の電極層は前記液晶層を介して前記第2の電極層と重なる液晶表示装置。
- 請求項1乃至8のいずれか一において、前記絶縁層は、無機絶縁材料である液晶表示装置。
- ゲート電極と、複数の構造体を形成し、
前記構造体上に第1の電極層を形成し、
前記ゲート電極及び前記第1の電極層を覆う絶縁層を形成し、
前記絶縁層上に前記ゲート電極と重なる半導体層を形成し、
前記半導体層上に導電層を形成し、
前記導電層上に前記半導体層と電気的に接続する第2の電極層を形成し、
第2の基板を前記第1の基板と液晶層を間に挟んで固定し、
前記第2の電極層は、前記構造体、前記第1の電極層、及び絶縁層と一部重なる液晶表示装置の作製方法。 - 請求項10において、前記液晶層は、ブルー相を示す液晶材料を含む液晶表示装置の作製方法。
- 請求項10または請求項11において、前記液晶層は、カイラル剤を含む液晶表示装置の作製方法。
- 請求項10乃至12のいずれか一において、前記液晶層は、光硬化樹脂及び光重合開始剤を含む液晶表示装置の作製方法。
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Also Published As
Publication number | Publication date |
---|---|
CN101900913A (zh) | 2010-12-01 |
TWI500996B (zh) | 2015-09-21 |
TW201107820A (en) | 2011-03-01 |
KR20100129200A (ko) | 2010-12-08 |
KR101759111B1 (ko) | 2017-07-18 |
US20140160414A1 (en) | 2014-06-12 |
US20100302492A1 (en) | 2010-12-02 |
CN101900913B (zh) | 2015-07-29 |
JP5587031B2 (ja) | 2014-09-10 |
US9645451B2 (en) | 2017-05-09 |
US8654292B2 (en) | 2014-02-18 |
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