JP2015215492A - 液晶表示装置及び電子機器 - Google Patents
液晶表示装置及び電子機器 Download PDFInfo
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- 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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- 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
- G02F1/134336—Matrix
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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
- 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
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- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- 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
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- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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Abstract
Description
図1は、本実施形態に係る液晶表示装置の一例を表す説明図である。図2は、図1の液晶表示装置のシステム例を表すブロック図である。図1は模式的に表したものであり、実際の寸法、形状と同一とは限らない。なお、表示装置1が本発明の「液晶表示装置」の一具体例に相当する。
画素基板60は、透光性基板71に各種回路が形成されたTFT基板であり、この画素基板60上にマトリクス状に配設された複数の画素電極72と、共通電極comと、を含む。図6に示すように、画素電極72と共通電極comとは、絶縁層74で絶縁され、画素基板60の表面に垂直な方向において、対向している。画素電極72及び共通電極comは、ITO(Indium Tin Oxide)等の透光性導電材料(透光性導電酸化物)で形成される透光性電極である。
図16は、実施形態2に係る液晶表示部の画素と高分子壁との位置関係を説明するための平面模式図である。上述した実施形態で説明したものと同じ構成要素には同一の符号を付して重複する説明は省略する。
図17は、実施形態3に係る液晶表示部の遮光部を説明するための断面模式図である。上述した実施形態で説明したものと同じ構成要素には同一の符号を付して重複する説明は省略する。
評価例1乃至評価例3について、以下、評価した結果を説明する。これら評価例で、本発明は限定されるものではない。図18は、実施形態1に係る液晶表示部の評価例1において、画素の応答速度と高分子壁との関係を説明するための説明図である。隣り合う高分子壁55間の平均間隔lが無限大の電圧OFF時の基準応答時間Tfを1として、評価例1の副画素Vpixの開口幅、セル厚d、高分子壁55の幅wを同一の条件とした場合における平均間隔lが2μm、3μm、5μm、10μm、20μm、100μmの基準応答時間に対する電圧OFF時応答時間τの相対値をシミュレーションした。図18は、シミュレーション結果を示している。図18に示すように、平均間隔lが10μm以下の場合、液晶表示装置1は、電圧OFF時応答時間τを早くすることができる。その結果、表示装置1は、液晶の応答速度を早くすることができる。
次に、図20及び図21を参照して、実施形態1から実施形態3で説明した表示装置1の適用例について説明する。図20及び図21は、本実施形態に係る液晶表示装置を適用する電子機器の一例を示す図である。本実施形態に係る表示装置1は、図20に示すカーナビゲーションシステム、テレビジョン装置、デジタルカメラ、ノート型パーソナルコンピュータ、図21に示す携帯電話等の携帯端末装置あるいはビデオカメラなどのあらゆる分野の電子機器に適用することが可能である。言い換えると、本実施形態に係る表示装置1は、外部から入力された映像信号あるいは内部で生成した映像信号を、画像あるいは映像として表示するあらゆる分野の電子機器に適用することが可能である。電子機器は、液晶表示装置に映像信号を供給し、液晶表示装置の動作を制御する制御装置4(図2参照)を備える。
2 液晶表示部
4 制御装置
6 バックライト
11 ガラス基板
21 表示エリア部
54 液晶層
55、56 高分子壁
60 画素基板
64 対向基板
66 カラーフィルタ
72 画素電極(第1電極)
74 絶縁層
76a ブラックマトリクス
76b 開口部
90 半導体層
BM1、BM2 遮光部
com 共通電極(第2電極)
Vpix 副画素
Claims (7)
- 第1基板と、
前記第1基板に対向配置された第2基板と、
前記第1基板と前記第2基板との間に配置される液晶層と、
マトリクス状に配置された複数の画素毎に配置される第1電極と、
前記第1電極と対向する位置に配置された第2電極と、
前記画素を横切るように少なくとも一方向に延びて、前記第1基板と前記第2基板との間の光の透過が抑制された複数の無透過領域と、
前記無透過領域に挟まれて、前記第1電極と前記第2電極との間で作用する電界に応じて前記液晶層の液晶分子が回転する透過領域と、
を含む液晶表示装置。 - 前記無透過領域は、前記画素を横切るように一方向に延び、さらに前記一方向と交差する他方向にも延びて、格子状となっている請求項1に記載の液晶表示装置。
- 前記無透過領域には、前記液晶分子と、前記液晶分子を囲む高分子材料とを含み、前記高分子材料は、前記第1基板及び前記第2基板の一方から他方へ立設する高分子壁となっている請求項1又は2に記載の液晶表示装置。
- 遮光部をさらに備え、前記第1基板の垂直方向において、前記第1基板又は前記第2基板の、前記無透過領域と重なる領域に配置されている、請求項1乃至3のいずれか1項に記載の液晶表示装置。
- 前記遮光部は、前記画素を囲う遮光部と接続している、請求項4に記載の液晶表示装置。
- 前記遮光部は、前記第1電極又は前記第2電極を作用させる配線である、請求項4に記載の液晶表示装置。
- 請求項1乃至6のいずれか1項に記載の液晶表示装置と、前記液晶表示装置に映像信号を供給し、前記液晶表示装置の動作を制御する制御装置とを備える、電子機器。
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JP2014098530A JP6268035B2 (ja) | 2014-05-12 | 2014-05-12 | 液晶表示装置及び電子機器 |
US14/707,171 US9891456B2 (en) | 2014-05-12 | 2015-05-08 | Liquid crystal display device and electronic apparatus |
CN201510232309.8A CN105093597B (zh) | 2014-05-12 | 2015-05-08 | 液晶显示装置及电子设备 |
US15/861,918 US10371978B2 (en) | 2014-05-12 | 2018-01-04 | Liquid crystal display device and electronic apparatus |
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WO2019060033A1 (en) * | 2017-09-21 | 2019-03-28 | Apple Inc. | LIQUID CRYSTAL DISPLAY |
JP7083102B2 (ja) * | 2017-11-29 | 2022-06-10 | Tianma Japan株式会社 | 光線方向制御デバイス及び表示装置 |
JP7109957B2 (ja) * | 2018-03-27 | 2022-08-01 | 株式会社ジャパンディスプレイ | 表示装置 |
JP7118722B2 (ja) | 2018-04-25 | 2022-08-16 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
CN108957814B (zh) * | 2018-08-29 | 2021-08-13 | 南京京东方显示技术有限公司 | 一种液晶显示装置及电路补偿方法 |
JP2020160322A (ja) * | 2019-03-27 | 2020-10-01 | 株式会社ジャパンディスプレイ | 表示装置 |
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JP6268035B2 (ja) | 2018-01-24 |
CN105093597B (zh) | 2018-06-26 |
US20180129097A1 (en) | 2018-05-10 |
US9891456B2 (en) | 2018-02-13 |
CN105093597A (zh) | 2015-11-25 |
US20150323841A1 (en) | 2015-11-12 |
US10371978B2 (en) | 2019-08-06 |
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