JP2017106961A - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP2017106961A JP2017106961A JP2015238444A JP2015238444A JP2017106961A JP 2017106961 A JP2017106961 A JP 2017106961A JP 2015238444 A JP2015238444 A JP 2015238444A JP 2015238444 A JP2015238444 A JP 2015238444A JP 2017106961 A JP2017106961 A JP 2017106961A
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- Japan
- Prior art keywords
- substrate
- light
- display device
- liquid crystal
- light source
- 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.)
- Pending
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 114
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Images
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Abstract
Description
そこで、本開示の一態様における目的は、表示装置の表示品位を高めることである。
なお、開示はあくまで一例に過ぎず、当業者において、発明の主旨を保っての適宜変更について容易に想到し得るものについては、当然に本発明の範囲に含有される。また、図面は、説明をより明確にするため、実際の態様に比べて模式的に表される場合があるが、あくまで一例であって、本発明の解釈を限定するものではない。各図において、連続して配置される同一又は類似の要素については符号を省略することがある。また、本明細書と各図において、既出の図に関して前述したものと同一又は類似した機能を発揮する構成要素には同一の参照符号を付し、重複する詳細な説明を省略することがある。
図1は、第1実施形態に係る液晶表示装置1の概略的な構成を示す平面図である。液晶表示装置1は、例えば、スマートフォン、タブレット端末、携帯電話端末、パーソナルコンピュータ、テレビ受像装置、車載装置、ゲーム機器、ウェアラブル端末等の種々の装置に用いることができる。
図3は、液晶表示装置1の概略的な断面構造を示す図である。アレイ基板ARは、透光性を有したガラス基板である第1基板10を備えている。同じく、対向基板CTは、透光性を有したガラス基板である第2基板20を備えている。アレイ基板AR及び対向基板CTは、それぞれ第1基板10及び第2基板20以外の要素(例えば図5に示す要素)も備えているが、図3においては省略している。本実施形態では、第1基板10及び第2基板20がガラス基板である場合を想定するが、これら基板は透光性を有したアクリル樹脂などの樹脂材料にて形成することもできる。
その他、本実施形態からは種々の好適な効果を得ることができる。
第1実施形態においては、光源3が放つ光が励起光であり、この励起光を受けて発光層8から可視光が発生する構成を開示した。これに対し、第2実施形態では、光源3が放つ光が可視光である場合を想定する。特に言及しない構成及び効果は第1実施形態と同様である。
第3実施形態においては、第2実施形態の変形例を開示する。特に言及しない構成及び効果は上述の各実施形態と同様である。
第4実施形態においては、液晶表示装置1を、外光が透過可能ないわゆる透明液晶表示装置として構成する例を開示する。特に言及しない構成及び効果は上述の各実施形態と同様である。
また、本実施形態では、バックベゼル90及びフロントベゼル91の全てが透光性を有する場合を例示したが、バックベゼル90のみ透光性を有しても良い。さらに、バックベゼル90のうち、液晶セル2と対向する領域のみ、或いは表示領域DAと対向する領域のみ透光性を有しても良い。
第5実施形態においては、上述した各実施形態の光源3及び第1基板10の側面SFに適用可能な変形例を開示する。特に言及しない構成及び効果は上述の各実施形態と同様である。
以上の他にも、光源3や第1基板10の側面SFは種々の態様に変形することができる。
第6実施形態においては、プリズムフィルム6を不要とした構成を開示する。このような構成は、上述した各実施形態のいずれにも適用可能である。特に言及しない構成及び効果は上述の各実施形態と同様である。
Claims (14)
- 第1面と、前記第1面の反対側の第2面と、前記第1面及び前記第2面を繋ぐ側面とを有する透光性の第1基板と、
前記第1基板の前記第1面に対向する第3面と、前記第3面の反対側の第4面とを有する透光性の第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た液晶層と、
前記第2基板の前記第4面側に配置された偏光素子と、
前記第1基板の前記側面に偏光した平行光を照射する光源と、
前記光源から前記第1基板に入射した前記平行光の光路を前記第2基板に向けて屈曲させる屈曲体と、
を備え、
前記第1基板と前記光源との間には偏光素子が配置されておらず、
前記屈曲体は、前記第1基板の前記第2面側に配置されている、
表示装置。 - 前記光源は、発光素子と、前記発光素子と前記第1基板の前記側面との間に配置されたレンズとを含み、
前記発光素子は、発散光を放つ点光源であり、
前記レンズは、前記発光素子からの光を平行光に変換して前記第1基板に照射する、
請求項1に記載の表示装置。 - 前記光源は、発光素子を含み、
前記発光素子は、発散光を放つ点光源であり、
前記第1基板の前記側面は、前記発光素子からの光を平行光に変換するレンズ形状を有している、
請求項1に記載の表示装置。 - 前記第1基板、前記第2基板、前記光源、及び前記屈曲体を支持するフレームをさらに備え、
前記フレームは、前記屈曲体に面する支持部を有する、
請求項1乃至3のうちいずれか1項に記載の表示装置。 - 前記支持部は、透光性を有している、
請求項4に記載の表示装置。 - 前記支持部は、1/4λ板を有している、
請求項4に記載の表示装置。 - 前記第2基板の前記第4面側に、前記平行光を拡散する拡散層をさらに備える、
請求項1乃至6のうちいずれか1項に記載の表示装置。 - 前記光源は、レーザ光を放つ発光素子を含む、
請求項1乃至7のうちいずれか1項に記載の表示装置。 - 前記第2基板の前記第4面側に、可視光を反射する反射層をさらに備える、
請求項1乃至8のうちいずれか1項に記載の表示装置。 - 前記屈曲体は、前記第1基板に入射した前記平行光を前記第2基板に向けて反射するプリズムである、
請求項1乃至9のうちいずれか1項に記載の表示装置。 - 前記プリズムは、前記第1基板の前記第1面と平行な平坦面と、前記第1面に対して傾いた傾斜面とを有する、
請求項10に記載の表示装置。 - 前記第1基板の前記第2面に接着されたフィルムをさらに備え、
前記プリズムは、前記フィルムに形成されており、
前記第1基板の屈折率は、前記フィルムの屈折率よりも小さい、
請求項10又は11に記載の表示装置。 - 前記第1基板の前記平行光の透過率は、前記第2基板の前記平行光の透過率よりも高い、
請求項1乃至12のうちいずれか1項に記載の表示装置。 - 前記第1基板の厚さは、前記第2基板の厚さよりも大きい、
請求項1乃至13のうちいずれか1項に記載の表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2015238444A JP2017106961A (ja) | 2015-12-07 | 2015-12-07 | 表示装置 |
US15/371,380 US10073207B2 (en) | 2015-12-07 | 2016-12-07 | Display device having liquid crystal layer sealed between sealing member, first substrate, and second substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2015238444A JP2017106961A (ja) | 2015-12-07 | 2015-12-07 | 表示装置 |
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JP2015238444A Pending JP2017106961A (ja) | 2015-12-07 | 2015-12-07 | 表示装置 |
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JP (1) | JP2017106961A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019212387A (ja) * | 2018-05-31 | 2019-12-12 | スタンレー電気株式会社 | 面光源装置 |
JP2020024843A (ja) * | 2018-08-07 | 2020-02-13 | 三菱電機株式会社 | 照明装置 |
JP2020183979A (ja) * | 2019-04-26 | 2020-11-12 | パナソニックIpマネジメント株式会社 | 光学システム、照明システム、表示システム、及び移動体 |
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TW201504727A (zh) * | 2013-07-24 | 2015-02-01 | Hon Hai Prec Ind Co Ltd | 背光模組及顯示裝置 |
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JP2019212387A (ja) * | 2018-05-31 | 2019-12-12 | スタンレー電気株式会社 | 面光源装置 |
JP7017473B2 (ja) | 2018-05-31 | 2022-02-08 | スタンレー電気株式会社 | 面光源装置 |
JP2020024843A (ja) * | 2018-08-07 | 2020-02-13 | 三菱電機株式会社 | 照明装置 |
JP7247484B2 (ja) | 2018-08-07 | 2023-03-29 | 三菱電機株式会社 | 照明装置 |
JP2020183979A (ja) * | 2019-04-26 | 2020-11-12 | パナソニックIpマネジメント株式会社 | 光学システム、照明システム、表示システム、及び移動体 |
US11835719B2 (en) | 2019-04-26 | 2023-12-05 | Panasonic Intellectual Property Management Co., Ltd. | Optical system for a display system projecting a virtual image onto a target space |
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US20170160458A1 (en) | 2017-06-08 |
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